Mike Pulice / ublox_C200Test

Integrating the ublox LISA C200 modem

Fork of SprintUSBModemHTTPClientTest by Donatien Garnier

SprintUSBModem/lwip/api/sockets.c@5:3f93dd1d4cb3, 2013-09-26 (annotated)

Committer:
sam_grove
Date:
Thu Sep 26 00:44:20 2013 -0500
Revision:
5:3f93dd1d4cb3
Exported program and replaced contents of the repo with the source

to build and debug using keil mdk. Libs NOT upto date are lwip, lwip-sys

and socket. these have newer versions under mbed_official but were starting

from a know working point

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 5:3f93dd1d4cb3 1 /**
sam_grove 5:3f93dd1d4cb3 2 * @file
sam_grove 5:3f93dd1d4cb3 3 * Sockets BSD-Like API module
sam_grove 5:3f93dd1d4cb3 4 *
sam_grove 5:3f93dd1d4cb3 5 */
sam_grove 5:3f93dd1d4cb3 6
sam_grove 5:3f93dd1d4cb3 7 /*
sam_grove 5:3f93dd1d4cb3 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
sam_grove 5:3f93dd1d4cb3 9 * All rights reserved.
sam_grove 5:3f93dd1d4cb3 10 *
sam_grove 5:3f93dd1d4cb3 11 * Redistribution and use in source and binary forms, with or without modification,
sam_grove 5:3f93dd1d4cb3 12 * are permitted provided that the following conditions are met:
sam_grove 5:3f93dd1d4cb3 13 *
sam_grove 5:3f93dd1d4cb3 14 * 1. Redistributions of source code must retain the above copyright notice,
sam_grove 5:3f93dd1d4cb3 15 * this list of conditions and the following disclaimer.
sam_grove 5:3f93dd1d4cb3 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
sam_grove 5:3f93dd1d4cb3 17 * this list of conditions and the following disclaimer in the documentation
sam_grove 5:3f93dd1d4cb3 18 * and/or other materials provided with the distribution.
sam_grove 5:3f93dd1d4cb3 19 * 3. The name of the author may not be used to endorse or promote products
sam_grove 5:3f93dd1d4cb3 20 * derived from this software without specific prior written permission.
sam_grove 5:3f93dd1d4cb3 21 *
sam_grove 5:3f93dd1d4cb3 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
sam_grove 5:3f93dd1d4cb3 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
sam_grove 5:3f93dd1d4cb3 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
sam_grove 5:3f93dd1d4cb3 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
sam_grove 5:3f93dd1d4cb3 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
sam_grove 5:3f93dd1d4cb3 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
sam_grove 5:3f93dd1d4cb3 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
sam_grove 5:3f93dd1d4cb3 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
sam_grove 5:3f93dd1d4cb3 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
sam_grove 5:3f93dd1d4cb3 31 * OF SUCH DAMAGE.
sam_grove 5:3f93dd1d4cb3 32 *
sam_grove 5:3f93dd1d4cb3 33 * This file is part of the lwIP TCP/IP stack.
sam_grove 5:3f93dd1d4cb3 34 *
sam_grove 5:3f93dd1d4cb3 35 * Author: Adam Dunkels <adam@sics.se>
sam_grove 5:3f93dd1d4cb3 36 *
sam_grove 5:3f93dd1d4cb3 37 * Improved by Marc Boucher <marc@mbsi.ca> and David Haas <dhaas@alum.rpi.edu>
sam_grove 5:3f93dd1d4cb3 38 *
sam_grove 5:3f93dd1d4cb3 39 */
sam_grove 5:3f93dd1d4cb3 40
sam_grove 5:3f93dd1d4cb3 41 #include "lwip/opt.h"
sam_grove 5:3f93dd1d4cb3 42
sam_grove 5:3f93dd1d4cb3 43 #if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
sam_grove 5:3f93dd1d4cb3 44
sam_grove 5:3f93dd1d4cb3 45 #include "lwip/sockets.h"
sam_grove 5:3f93dd1d4cb3 46 #include "lwip/api.h"
sam_grove 5:3f93dd1d4cb3 47 #include "lwip/sys.h"
sam_grove 5:3f93dd1d4cb3 48 #include "lwip/igmp.h"
sam_grove 5:3f93dd1d4cb3 49 #include "lwip/inet.h"
sam_grove 5:3f93dd1d4cb3 50 #include "lwip/tcp.h"
sam_grove 5:3f93dd1d4cb3 51 #include "lwip/raw.h"
sam_grove 5:3f93dd1d4cb3 52 #include "lwip/udp.h"
sam_grove 5:3f93dd1d4cb3 53 #include "lwip/tcpip.h"
sam_grove 5:3f93dd1d4cb3 54 #include "lwip/pbuf.h"
sam_grove 5:3f93dd1d4cb3 55 #if LWIP_CHECKSUM_ON_COPY
sam_grove 5:3f93dd1d4cb3 56 #include "lwip/inet_chksum.h"
sam_grove 5:3f93dd1d4cb3 57 #endif
sam_grove 5:3f93dd1d4cb3 58
sam_grove 5:3f93dd1d4cb3 59 #include <string.h>
sam_grove 5:3f93dd1d4cb3 60
sam_grove 5:3f93dd1d4cb3 61 #define NUM_SOCKETS MEMP_NUM_NETCONN
sam_grove 5:3f93dd1d4cb3 62
sam_grove 5:3f93dd1d4cb3 63 /** Contains all internal pointers and states used for a socket */
sam_grove 5:3f93dd1d4cb3 64 struct lwip_sock {
sam_grove 5:3f93dd1d4cb3 65 /** sockets currently are built on netconns, each socket has one netconn */
sam_grove 5:3f93dd1d4cb3 66 struct netconn *conn;
sam_grove 5:3f93dd1d4cb3 67 /** data that was left from the previous read */
sam_grove 5:3f93dd1d4cb3 68 void *lastdata;
sam_grove 5:3f93dd1d4cb3 69 /** offset in the data that was left from the previous read */
sam_grove 5:3f93dd1d4cb3 70 u16_t lastoffset;
sam_grove 5:3f93dd1d4cb3 71 /** number of times data was received, set by event_callback(),
sam_grove 5:3f93dd1d4cb3 72 tested by the receive and select functions */
sam_grove 5:3f93dd1d4cb3 73 s16_t rcvevent;
sam_grove 5:3f93dd1d4cb3 74 /** number of times data was ACKed (free send buffer), set by event_callback(),
sam_grove 5:3f93dd1d4cb3 75 tested by select */
sam_grove 5:3f93dd1d4cb3 76 u16_t sendevent;
sam_grove 5:3f93dd1d4cb3 77 /** error happened for this socket, set by event_callback(), tested by select */
sam_grove 5:3f93dd1d4cb3 78 u16_t errevent;
sam_grove 5:3f93dd1d4cb3 79 /** last error that occurred on this socket */
sam_grove 5:3f93dd1d4cb3 80 int err;
sam_grove 5:3f93dd1d4cb3 81 /** counter of how many threads are waiting for this socket using select */
sam_grove 5:3f93dd1d4cb3 82 int select_waiting;
sam_grove 5:3f93dd1d4cb3 83 };
sam_grove 5:3f93dd1d4cb3 84
sam_grove 5:3f93dd1d4cb3 85 /** Description for a task waiting in select */
sam_grove 5:3f93dd1d4cb3 86 struct lwip_select_cb {
sam_grove 5:3f93dd1d4cb3 87 /** Pointer to the next waiting task */
sam_grove 5:3f93dd1d4cb3 88 struct lwip_select_cb *next;
sam_grove 5:3f93dd1d4cb3 89 /** Pointer to the previous waiting task */
sam_grove 5:3f93dd1d4cb3 90 struct lwip_select_cb *prev;
sam_grove 5:3f93dd1d4cb3 91 /** readset passed to select */
sam_grove 5:3f93dd1d4cb3 92 fd_set *readset;
sam_grove 5:3f93dd1d4cb3 93 /** writeset passed to select */
sam_grove 5:3f93dd1d4cb3 94 fd_set *writeset;
sam_grove 5:3f93dd1d4cb3 95 /** unimplemented: exceptset passed to select */
sam_grove 5:3f93dd1d4cb3 96 fd_set *exceptset;
sam_grove 5:3f93dd1d4cb3 97 /** don't signal the same semaphore twice: set to 1 when signalled */
sam_grove 5:3f93dd1d4cb3 98 int sem_signalled;
sam_grove 5:3f93dd1d4cb3 99 /** semaphore to wake up a task waiting for select */
sam_grove 5:3f93dd1d4cb3 100 sys_sem_t sem;
sam_grove 5:3f93dd1d4cb3 101 };
sam_grove 5:3f93dd1d4cb3 102
sam_grove 5:3f93dd1d4cb3 103 /** This struct is used to pass data to the set/getsockopt_internal
sam_grove 5:3f93dd1d4cb3 104 * functions running in tcpip_thread context (only a void* is allowed) */
sam_grove 5:3f93dd1d4cb3 105 struct lwip_setgetsockopt_data {
sam_grove 5:3f93dd1d4cb3 106 /** socket struct for which to change options */
sam_grove 5:3f93dd1d4cb3 107 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 108 #ifdef LWIP_DEBUG
sam_grove 5:3f93dd1d4cb3 109 /** socket index for which to change options */
sam_grove 5:3f93dd1d4cb3 110 int s;
sam_grove 5:3f93dd1d4cb3 111 #endif /* LWIP_DEBUG */
sam_grove 5:3f93dd1d4cb3 112 /** level of the option to process */
sam_grove 5:3f93dd1d4cb3 113 int level;
sam_grove 5:3f93dd1d4cb3 114 /** name of the option to process */
sam_grove 5:3f93dd1d4cb3 115 int optname;
sam_grove 5:3f93dd1d4cb3 116 /** set: value to set the option to
sam_grove 5:3f93dd1d4cb3 117 * get: value of the option is stored here */
sam_grove 5:3f93dd1d4cb3 118 void *optval;
sam_grove 5:3f93dd1d4cb3 119 /** size of *optval */
sam_grove 5:3f93dd1d4cb3 120 socklen_t *optlen;
sam_grove 5:3f93dd1d4cb3 121 /** if an error occures, it is temporarily stored here */
sam_grove 5:3f93dd1d4cb3 122 err_t err;
sam_grove 5:3f93dd1d4cb3 123 };
sam_grove 5:3f93dd1d4cb3 124
sam_grove 5:3f93dd1d4cb3 125 /** The global array of available sockets */
sam_grove 5:3f93dd1d4cb3 126 static struct lwip_sock sockets[NUM_SOCKETS];
sam_grove 5:3f93dd1d4cb3 127 /** The global list of tasks waiting for select */
sam_grove 5:3f93dd1d4cb3 128 static struct lwip_select_cb *select_cb_list;
sam_grove 5:3f93dd1d4cb3 129 /** This counter is increased from lwip_select when the list is chagned
sam_grove 5:3f93dd1d4cb3 130 and checked in event_callback to see if it has changed. */
sam_grove 5:3f93dd1d4cb3 131 static volatile int select_cb_ctr;
sam_grove 5:3f93dd1d4cb3 132
sam_grove 5:3f93dd1d4cb3 133 /** Table to quickly map an lwIP error (err_t) to a socket error
sam_grove 5:3f93dd1d4cb3 134 * by using -err as an index */
sam_grove 5:3f93dd1d4cb3 135 static const int err_to_errno_table[] = {
sam_grove 5:3f93dd1d4cb3 136 0, /* ERR_OK 0 No error, everything OK. */
sam_grove 5:3f93dd1d4cb3 137 ENOMEM, /* ERR_MEM -1 Out of memory error. */
sam_grove 5:3f93dd1d4cb3 138 ENOBUFS, /* ERR_BUF -2 Buffer error. */
sam_grove 5:3f93dd1d4cb3 139 EWOULDBLOCK, /* ERR_TIMEOUT -3 Timeout */
sam_grove 5:3f93dd1d4cb3 140 EHOSTUNREACH, /* ERR_RTE -4 Routing problem. */
sam_grove 5:3f93dd1d4cb3 141 EINPROGRESS, /* ERR_INPROGRESS -5 Operation in progress */
sam_grove 5:3f93dd1d4cb3 142 EINVAL, /* ERR_VAL -6 Illegal value. */
sam_grove 5:3f93dd1d4cb3 143 EWOULDBLOCK, /* ERR_WOULDBLOCK -7 Operation would block. */
sam_grove 5:3f93dd1d4cb3 144 EADDRINUSE, /* ERR_USE -8 Address in use. */
sam_grove 5:3f93dd1d4cb3 145 EALREADY, /* ERR_ISCONN -9 Already connected. */
sam_grove 5:3f93dd1d4cb3 146 ECONNABORTED, /* ERR_ABRT -10 Connection aborted. */
sam_grove 5:3f93dd1d4cb3 147 ECONNRESET, /* ERR_RST -11 Connection reset. */
sam_grove 5:3f93dd1d4cb3 148 ENOTCONN, /* ERR_CLSD -12 Connection closed. */
sam_grove 5:3f93dd1d4cb3 149 ENOTCONN, /* ERR_CONN -13 Not connected. */
sam_grove 5:3f93dd1d4cb3 150 EIO, /* ERR_ARG -14 Illegal argument. */
sam_grove 5:3f93dd1d4cb3 151 -1, /* ERR_IF -15 Low-level netif error */
sam_grove 5:3f93dd1d4cb3 152 };
sam_grove 5:3f93dd1d4cb3 153
sam_grove 5:3f93dd1d4cb3 154 #define ERR_TO_ERRNO_TABLE_SIZE \
sam_grove 5:3f93dd1d4cb3 155 (sizeof(err_to_errno_table)/sizeof(err_to_errno_table[0]))
sam_grove 5:3f93dd1d4cb3 156
sam_grove 5:3f93dd1d4cb3 157 #define err_to_errno(err) \
sam_grove 5:3f93dd1d4cb3 158 ((unsigned)(-(err)) < ERR_TO_ERRNO_TABLE_SIZE ? \
sam_grove 5:3f93dd1d4cb3 159 err_to_errno_table[-(err)] : EIO)
sam_grove 5:3f93dd1d4cb3 160
sam_grove 5:3f93dd1d4cb3 161 #ifdef ERRNO
sam_grove 5:3f93dd1d4cb3 162 #ifndef set_errno
sam_grove 5:3f93dd1d4cb3 163 #define set_errno(err) errno = (err)
sam_grove 5:3f93dd1d4cb3 164 #endif
sam_grove 5:3f93dd1d4cb3 165 #else /* ERRNO */
sam_grove 5:3f93dd1d4cb3 166 #define set_errno(err)
sam_grove 5:3f93dd1d4cb3 167 #endif /* ERRNO */
sam_grove 5:3f93dd1d4cb3 168
sam_grove 5:3f93dd1d4cb3 169 #define sock_set_errno(sk, e) do { \
sam_grove 5:3f93dd1d4cb3 170 sk->err = (e); \
sam_grove 5:3f93dd1d4cb3 171 set_errno(sk->err); \
sam_grove 5:3f93dd1d4cb3 172 } while (0)
sam_grove 5:3f93dd1d4cb3 173
sam_grove 5:3f93dd1d4cb3 174 /* Forward delcaration of some functions */
sam_grove 5:3f93dd1d4cb3 175 static void event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len);
sam_grove 5:3f93dd1d4cb3 176 static void lwip_getsockopt_internal(void *arg);
sam_grove 5:3f93dd1d4cb3 177 static void lwip_setsockopt_internal(void *arg);
sam_grove 5:3f93dd1d4cb3 178
sam_grove 5:3f93dd1d4cb3 179 /**
sam_grove 5:3f93dd1d4cb3 180 * Initialize this module. This function has to be called before any other
sam_grove 5:3f93dd1d4cb3 181 * functions in this module!
sam_grove 5:3f93dd1d4cb3 182 */
sam_grove 5:3f93dd1d4cb3 183 void
sam_grove 5:3f93dd1d4cb3 184 lwip_socket_init(void)
sam_grove 5:3f93dd1d4cb3 185 {
sam_grove 5:3f93dd1d4cb3 186 }
sam_grove 5:3f93dd1d4cb3 187
sam_grove 5:3f93dd1d4cb3 188 /**
sam_grove 5:3f93dd1d4cb3 189 * Map a externally used socket index to the internal socket representation.
sam_grove 5:3f93dd1d4cb3 190 *
sam_grove 5:3f93dd1d4cb3 191 * @param s externally used socket index
sam_grove 5:3f93dd1d4cb3 192 * @return struct lwip_sock for the socket or NULL if not found
sam_grove 5:3f93dd1d4cb3 193 */
sam_grove 5:3f93dd1d4cb3 194 static struct lwip_sock *
sam_grove 5:3f93dd1d4cb3 195 get_socket(int s)
sam_grove 5:3f93dd1d4cb3 196 {
sam_grove 5:3f93dd1d4cb3 197 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 198
sam_grove 5:3f93dd1d4cb3 199 if ((s < 0) || (s >= NUM_SOCKETS)) {
sam_grove 5:3f93dd1d4cb3 200 LWIP_DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): invalid\n", s));
sam_grove 5:3f93dd1d4cb3 201 set_errno(EBADF);
sam_grove 5:3f93dd1d4cb3 202 return NULL;
sam_grove 5:3f93dd1d4cb3 203 }
sam_grove 5:3f93dd1d4cb3 204
sam_grove 5:3f93dd1d4cb3 205 sock = &sockets[s];
sam_grove 5:3f93dd1d4cb3 206
sam_grove 5:3f93dd1d4cb3 207 if (!sock->conn) {
sam_grove 5:3f93dd1d4cb3 208 LWIP_DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): not active\n", s));
sam_grove 5:3f93dd1d4cb3 209 set_errno(EBADF);
sam_grove 5:3f93dd1d4cb3 210 return NULL;
sam_grove 5:3f93dd1d4cb3 211 }
sam_grove 5:3f93dd1d4cb3 212
sam_grove 5:3f93dd1d4cb3 213 return sock;
sam_grove 5:3f93dd1d4cb3 214 }
sam_grove 5:3f93dd1d4cb3 215
sam_grove 5:3f93dd1d4cb3 216 /**
sam_grove 5:3f93dd1d4cb3 217 * Same as get_socket but doesn't set errno
sam_grove 5:3f93dd1d4cb3 218 *
sam_grove 5:3f93dd1d4cb3 219 * @param s externally used socket index
sam_grove 5:3f93dd1d4cb3 220 * @return struct lwip_sock for the socket or NULL if not found
sam_grove 5:3f93dd1d4cb3 221 */
sam_grove 5:3f93dd1d4cb3 222 static struct lwip_sock *
sam_grove 5:3f93dd1d4cb3 223 tryget_socket(int s)
sam_grove 5:3f93dd1d4cb3 224 {
sam_grove 5:3f93dd1d4cb3 225 if ((s < 0) || (s >= NUM_SOCKETS)) {
sam_grove 5:3f93dd1d4cb3 226 return NULL;
sam_grove 5:3f93dd1d4cb3 227 }
sam_grove 5:3f93dd1d4cb3 228 if (!sockets[s].conn) {
sam_grove 5:3f93dd1d4cb3 229 return NULL;
sam_grove 5:3f93dd1d4cb3 230 }
sam_grove 5:3f93dd1d4cb3 231 return &sockets[s];
sam_grove 5:3f93dd1d4cb3 232 }
sam_grove 5:3f93dd1d4cb3 233
sam_grove 5:3f93dd1d4cb3 234 /**
sam_grove 5:3f93dd1d4cb3 235 * Allocate a new socket for a given netconn.
sam_grove 5:3f93dd1d4cb3 236 *
sam_grove 5:3f93dd1d4cb3 237 * @param newconn the netconn for which to allocate a socket
sam_grove 5:3f93dd1d4cb3 238 * @param accepted 1 if socket has been created by accept(),
sam_grove 5:3f93dd1d4cb3 239 * 0 if socket has been created by socket()
sam_grove 5:3f93dd1d4cb3 240 * @return the index of the new socket; -1 on error
sam_grove 5:3f93dd1d4cb3 241 */
sam_grove 5:3f93dd1d4cb3 242 static int
sam_grove 5:3f93dd1d4cb3 243 alloc_socket(struct netconn *newconn, int accepted)
sam_grove 5:3f93dd1d4cb3 244 {
sam_grove 5:3f93dd1d4cb3 245 int i;
sam_grove 5:3f93dd1d4cb3 246 SYS_ARCH_DECL_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 247
sam_grove 5:3f93dd1d4cb3 248 /* allocate a new socket identifier */
sam_grove 5:3f93dd1d4cb3 249 for (i = 0; i < NUM_SOCKETS; ++i) {
sam_grove 5:3f93dd1d4cb3 250 /* Protect socket array */
sam_grove 5:3f93dd1d4cb3 251 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 252 if (!sockets[i].conn) {
sam_grove 5:3f93dd1d4cb3 253 sockets[i].conn = newconn;
sam_grove 5:3f93dd1d4cb3 254 /* The socket is not yet known to anyone, so no need to protect
sam_grove 5:3f93dd1d4cb3 255 after having marked it as used. */
sam_grove 5:3f93dd1d4cb3 256 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 257 sockets[i].lastdata = NULL;
sam_grove 5:3f93dd1d4cb3 258 sockets[i].lastoffset = 0;
sam_grove 5:3f93dd1d4cb3 259 sockets[i].rcvevent = 0;
sam_grove 5:3f93dd1d4cb3 260 /* TCP sendbuf is empty, but the socket is not yet writable until connected
sam_grove 5:3f93dd1d4cb3 261 * (unless it has been created by accept()). */
sam_grove 5:3f93dd1d4cb3 262 sockets[i].sendevent = (newconn->type == NETCONN_TCP ? (accepted != 0) : 1);
sam_grove 5:3f93dd1d4cb3 263 sockets[i].errevent = 0;
sam_grove 5:3f93dd1d4cb3 264 sockets[i].err = 0;
sam_grove 5:3f93dd1d4cb3 265 sockets[i].select_waiting = 0;
sam_grove 5:3f93dd1d4cb3 266 return i;
sam_grove 5:3f93dd1d4cb3 267 }
sam_grove 5:3f93dd1d4cb3 268 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 269 }
sam_grove 5:3f93dd1d4cb3 270 return -1;
sam_grove 5:3f93dd1d4cb3 271 }
sam_grove 5:3f93dd1d4cb3 272
sam_grove 5:3f93dd1d4cb3 273 /** Free a socket. The socket's netconn must have been
sam_grove 5:3f93dd1d4cb3 274 * delete before!
sam_grove 5:3f93dd1d4cb3 275 *
sam_grove 5:3f93dd1d4cb3 276 * @param sock the socket to free
sam_grove 5:3f93dd1d4cb3 277 * @param is_tcp != 0 for TCP sockets, used to free lastdata
sam_grove 5:3f93dd1d4cb3 278 */
sam_grove 5:3f93dd1d4cb3 279 static void
sam_grove 5:3f93dd1d4cb3 280 free_socket(struct lwip_sock *sock, int is_tcp)
sam_grove 5:3f93dd1d4cb3 281 {
sam_grove 5:3f93dd1d4cb3 282 void *lastdata;
sam_grove 5:3f93dd1d4cb3 283 SYS_ARCH_DECL_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 284
sam_grove 5:3f93dd1d4cb3 285 lastdata = sock->lastdata;
sam_grove 5:3f93dd1d4cb3 286 sock->lastdata = NULL;
sam_grove 5:3f93dd1d4cb3 287 sock->lastoffset = 0;
sam_grove 5:3f93dd1d4cb3 288 sock->err = 0;
sam_grove 5:3f93dd1d4cb3 289
sam_grove 5:3f93dd1d4cb3 290 /* Protect socket array */
sam_grove 5:3f93dd1d4cb3 291 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 292 sock->conn = NULL;
sam_grove 5:3f93dd1d4cb3 293 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 294 /* don't use 'sock' after this line, as another task might have allocated it */
sam_grove 5:3f93dd1d4cb3 295
sam_grove 5:3f93dd1d4cb3 296 if (lastdata != NULL) {
sam_grove 5:3f93dd1d4cb3 297 if (is_tcp) {
sam_grove 5:3f93dd1d4cb3 298 pbuf_free((struct pbuf *)lastdata);
sam_grove 5:3f93dd1d4cb3 299 } else {
sam_grove 5:3f93dd1d4cb3 300 netbuf_delete((struct netbuf *)lastdata);
sam_grove 5:3f93dd1d4cb3 301 }
sam_grove 5:3f93dd1d4cb3 302 }
sam_grove 5:3f93dd1d4cb3 303 }
sam_grove 5:3f93dd1d4cb3 304
sam_grove 5:3f93dd1d4cb3 305 /* Below this, the well-known socket functions are implemented.
sam_grove 5:3f93dd1d4cb3 306 * Use google.com or opengroup.org to get a good description :-)
sam_grove 5:3f93dd1d4cb3 307 *
sam_grove 5:3f93dd1d4cb3 308 * Exceptions are documented!
sam_grove 5:3f93dd1d4cb3 309 */
sam_grove 5:3f93dd1d4cb3 310
sam_grove 5:3f93dd1d4cb3 311 int
sam_grove 5:3f93dd1d4cb3 312 lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
sam_grove 5:3f93dd1d4cb3 313 {
sam_grove 5:3f93dd1d4cb3 314 struct lwip_sock *sock, *nsock;
sam_grove 5:3f93dd1d4cb3 315 struct netconn *newconn;
sam_grove 5:3f93dd1d4cb3 316 ip_addr_t naddr;
sam_grove 5:3f93dd1d4cb3 317 u16_t port;
sam_grove 5:3f93dd1d4cb3 318 int newsock;
sam_grove 5:3f93dd1d4cb3 319 struct sockaddr_in sin;
sam_grove 5:3f93dd1d4cb3 320 err_t err;
sam_grove 5:3f93dd1d4cb3 321 SYS_ARCH_DECL_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 322
sam_grove 5:3f93dd1d4cb3 323 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d)...\n", s));
sam_grove 5:3f93dd1d4cb3 324 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 325 if (!sock) {
sam_grove 5:3f93dd1d4cb3 326 return -1;
sam_grove 5:3f93dd1d4cb3 327 }
sam_grove 5:3f93dd1d4cb3 328
sam_grove 5:3f93dd1d4cb3 329 if (netconn_is_nonblocking(sock->conn) && (sock->rcvevent <= 0)) {
sam_grove 5:3f93dd1d4cb3 330 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): returning EWOULDBLOCK\n", s));
sam_grove 5:3f93dd1d4cb3 331 sock_set_errno(sock, EWOULDBLOCK);
sam_grove 5:3f93dd1d4cb3 332 return -1;
sam_grove 5:3f93dd1d4cb3 333 }
sam_grove 5:3f93dd1d4cb3 334
sam_grove 5:3f93dd1d4cb3 335 /* wait for a new connection */
sam_grove 5:3f93dd1d4cb3 336 err = netconn_accept(sock->conn, &newconn);
sam_grove 5:3f93dd1d4cb3 337 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 338 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_acept failed, err=%d\n", s, err));
sam_grove 5:3f93dd1d4cb3 339 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 340 return -1;
sam_grove 5:3f93dd1d4cb3 341 }
sam_grove 5:3f93dd1d4cb3 342 LWIP_ASSERT("newconn != NULL", newconn != NULL);
sam_grove 5:3f93dd1d4cb3 343 /* Prevent automatic window updates, we do this on our own! */
sam_grove 5:3f93dd1d4cb3 344 netconn_set_noautorecved(newconn, 1);
sam_grove 5:3f93dd1d4cb3 345
sam_grove 5:3f93dd1d4cb3 346 /* get the IP address and port of the remote host */
sam_grove 5:3f93dd1d4cb3 347 err = netconn_peer(newconn, &naddr, &port);
sam_grove 5:3f93dd1d4cb3 348 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 349 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_peer failed, err=%d\n", s, err));
sam_grove 5:3f93dd1d4cb3 350 netconn_delete(newconn);
sam_grove 5:3f93dd1d4cb3 351 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 352 return -1;
sam_grove 5:3f93dd1d4cb3 353 }
sam_grove 5:3f93dd1d4cb3 354
sam_grove 5:3f93dd1d4cb3 355 /* Note that POSIX only requires us to check addr is non-NULL. addrlen must
sam_grove 5:3f93dd1d4cb3 356 * not be NULL if addr is valid.
sam_grove 5:3f93dd1d4cb3 357 */
sam_grove 5:3f93dd1d4cb3 358 if (NULL != addr) {
sam_grove 5:3f93dd1d4cb3 359 LWIP_ASSERT("addr valid but addrlen NULL", addrlen != NULL);
sam_grove 5:3f93dd1d4cb3 360 memset(&sin, 0, sizeof(sin));
sam_grove 5:3f93dd1d4cb3 361 sin.sin_len = sizeof(sin);
sam_grove 5:3f93dd1d4cb3 362 sin.sin_family = AF_INET;
sam_grove 5:3f93dd1d4cb3 363 sin.sin_port = htons(port);
sam_grove 5:3f93dd1d4cb3 364 inet_addr_from_ipaddr(&sin.sin_addr, &naddr);
sam_grove 5:3f93dd1d4cb3 365
sam_grove 5:3f93dd1d4cb3 366 if (*addrlen > sizeof(sin))
sam_grove 5:3f93dd1d4cb3 367 *addrlen = sizeof(sin);
sam_grove 5:3f93dd1d4cb3 368
sam_grove 5:3f93dd1d4cb3 369 MEMCPY(addr, &sin, *addrlen);
sam_grove 5:3f93dd1d4cb3 370 }
sam_grove 5:3f93dd1d4cb3 371
sam_grove 5:3f93dd1d4cb3 372 newsock = alloc_socket(newconn, 1);
sam_grove 5:3f93dd1d4cb3 373 if (newsock == -1) {
sam_grove 5:3f93dd1d4cb3 374 netconn_delete(newconn);
sam_grove 5:3f93dd1d4cb3 375 sock_set_errno(sock, ENFILE);
sam_grove 5:3f93dd1d4cb3 376 return -1;
sam_grove 5:3f93dd1d4cb3 377 }
sam_grove 5:3f93dd1d4cb3 378 LWIP_ASSERT("invalid socket index", (newsock >= 0) && (newsock < NUM_SOCKETS));
sam_grove 5:3f93dd1d4cb3 379 LWIP_ASSERT("newconn->callback == event_callback", newconn->callback == event_callback);
sam_grove 5:3f93dd1d4cb3 380 nsock = &sockets[newsock];
sam_grove 5:3f93dd1d4cb3 381
sam_grove 5:3f93dd1d4cb3 382 /* See event_callback: If data comes in right away after an accept, even
sam_grove 5:3f93dd1d4cb3 383 * though the server task might not have created a new socket yet.
sam_grove 5:3f93dd1d4cb3 384 * In that case, newconn->socket is counted down (newconn->socket--),
sam_grove 5:3f93dd1d4cb3 385 * so nsock->rcvevent is >= 1 here!
sam_grove 5:3f93dd1d4cb3 386 */
sam_grove 5:3f93dd1d4cb3 387 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 388 nsock->rcvevent += (s16_t)(-1 - newconn->socket);
sam_grove 5:3f93dd1d4cb3 389 newconn->socket = newsock;
sam_grove 5:3f93dd1d4cb3 390 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 391
sam_grove 5:3f93dd1d4cb3 392 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d) returning new sock=%d addr=", s, newsock));
sam_grove 5:3f93dd1d4cb3 393 ip_addr_debug_print(SOCKETS_DEBUG, &naddr);
sam_grove 5:3f93dd1d4cb3 394 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F"\n", port));
sam_grove 5:3f93dd1d4cb3 395
sam_grove 5:3f93dd1d4cb3 396 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 397 return newsock;
sam_grove 5:3f93dd1d4cb3 398 }
sam_grove 5:3f93dd1d4cb3 399
sam_grove 5:3f93dd1d4cb3 400 int
sam_grove 5:3f93dd1d4cb3 401 lwip_bind(int s, const struct sockaddr *name, socklen_t namelen)
sam_grove 5:3f93dd1d4cb3 402 {
sam_grove 5:3f93dd1d4cb3 403 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 404 ip_addr_t local_addr;
sam_grove 5:3f93dd1d4cb3 405 u16_t local_port;
sam_grove 5:3f93dd1d4cb3 406 err_t err;
sam_grove 5:3f93dd1d4cb3 407 const struct sockaddr_in *name_in;
sam_grove 5:3f93dd1d4cb3 408
sam_grove 5:3f93dd1d4cb3 409 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 410 if (!sock) {
sam_grove 5:3f93dd1d4cb3 411 return -1;
sam_grove 5:3f93dd1d4cb3 412 }
sam_grove 5:3f93dd1d4cb3 413
sam_grove 5:3f93dd1d4cb3 414 /* check size, familiy and alignment of 'name' */
sam_grove 5:3f93dd1d4cb3 415 LWIP_ERROR("lwip_bind: invalid address", ((namelen == sizeof(struct sockaddr_in)) &&
sam_grove 5:3f93dd1d4cb3 416 ((name->sa_family) == AF_INET) && ((((mem_ptr_t)name) % 4) == 0)),
sam_grove 5:3f93dd1d4cb3 417 sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
sam_grove 5:3f93dd1d4cb3 418 name_in = (const struct sockaddr_in *)(void*)name;
sam_grove 5:3f93dd1d4cb3 419
sam_grove 5:3f93dd1d4cb3 420 inet_addr_to_ipaddr(&local_addr, &name_in->sin_addr);
sam_grove 5:3f93dd1d4cb3 421 local_port = name_in->sin_port;
sam_grove 5:3f93dd1d4cb3 422
sam_grove 5:3f93dd1d4cb3 423 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d, addr=", s));
sam_grove 5:3f93dd1d4cb3 424 ip_addr_debug_print(SOCKETS_DEBUG, &local_addr);
sam_grove 5:3f93dd1d4cb3 425 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", ntohs(local_port)));
sam_grove 5:3f93dd1d4cb3 426
sam_grove 5:3f93dd1d4cb3 427 err = netconn_bind(sock->conn, &local_addr, ntohs(local_port));
sam_grove 5:3f93dd1d4cb3 428
sam_grove 5:3f93dd1d4cb3 429 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 430 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) failed, err=%d\n", s, err));
sam_grove 5:3f93dd1d4cb3 431 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 432 return -1;
sam_grove 5:3f93dd1d4cb3 433 }
sam_grove 5:3f93dd1d4cb3 434
sam_grove 5:3f93dd1d4cb3 435 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) succeeded\n", s));
sam_grove 5:3f93dd1d4cb3 436 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 437 return 0;
sam_grove 5:3f93dd1d4cb3 438 }
sam_grove 5:3f93dd1d4cb3 439
sam_grove 5:3f93dd1d4cb3 440 int
sam_grove 5:3f93dd1d4cb3 441 lwip_close(int s)
sam_grove 5:3f93dd1d4cb3 442 {
sam_grove 5:3f93dd1d4cb3 443 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 444 int is_tcp = 0;
sam_grove 5:3f93dd1d4cb3 445
sam_grove 5:3f93dd1d4cb3 446 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_close(%d)\n", s));
sam_grove 5:3f93dd1d4cb3 447
sam_grove 5:3f93dd1d4cb3 448 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 449 if (!sock) {
sam_grove 5:3f93dd1d4cb3 450 return -1;
sam_grove 5:3f93dd1d4cb3 451 }
sam_grove 5:3f93dd1d4cb3 452
sam_grove 5:3f93dd1d4cb3 453 if(sock->conn != NULL) {
sam_grove 5:3f93dd1d4cb3 454 is_tcp = netconn_type(sock->conn) == NETCONN_TCP;
sam_grove 5:3f93dd1d4cb3 455 } else {
sam_grove 5:3f93dd1d4cb3 456 LWIP_ASSERT("sock->lastdata == NULL", sock->lastdata == NULL);
sam_grove 5:3f93dd1d4cb3 457 }
sam_grove 5:3f93dd1d4cb3 458
sam_grove 5:3f93dd1d4cb3 459 netconn_delete(sock->conn);
sam_grove 5:3f93dd1d4cb3 460
sam_grove 5:3f93dd1d4cb3 461 free_socket(sock, is_tcp);
sam_grove 5:3f93dd1d4cb3 462 set_errno(0);
sam_grove 5:3f93dd1d4cb3 463 return 0;
sam_grove 5:3f93dd1d4cb3 464 }
sam_grove 5:3f93dd1d4cb3 465
sam_grove 5:3f93dd1d4cb3 466 int
sam_grove 5:3f93dd1d4cb3 467 lwip_connect(int s, const struct sockaddr *name, socklen_t namelen)
sam_grove 5:3f93dd1d4cb3 468 {
sam_grove 5:3f93dd1d4cb3 469 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 470 err_t err;
sam_grove 5:3f93dd1d4cb3 471 const struct sockaddr_in *name_in;
sam_grove 5:3f93dd1d4cb3 472
sam_grove 5:3f93dd1d4cb3 473 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 474 if (!sock) {
sam_grove 5:3f93dd1d4cb3 475 return -1;
sam_grove 5:3f93dd1d4cb3 476 }
sam_grove 5:3f93dd1d4cb3 477
sam_grove 5:3f93dd1d4cb3 478 /* check size, familiy and alignment of 'name' */
sam_grove 5:3f93dd1d4cb3 479 LWIP_ERROR("lwip_connect: invalid address", ((namelen == sizeof(struct sockaddr_in)) &&
sam_grove 5:3f93dd1d4cb3 480 ((name->sa_family) == AF_INET) && ((((mem_ptr_t)name) % 4) == 0)),
sam_grove 5:3f93dd1d4cb3 481 sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
sam_grove 5:3f93dd1d4cb3 482 name_in = (const struct sockaddr_in *)(void*)name;
sam_grove 5:3f93dd1d4cb3 483
sam_grove 5:3f93dd1d4cb3 484 if (name_in->sin_family == AF_UNSPEC) {
sam_grove 5:3f93dd1d4cb3 485 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, AF_UNSPEC)\n", s));
sam_grove 5:3f93dd1d4cb3 486 err = netconn_disconnect(sock->conn);
sam_grove 5:3f93dd1d4cb3 487 } else {
sam_grove 5:3f93dd1d4cb3 488 ip_addr_t remote_addr;
sam_grove 5:3f93dd1d4cb3 489 u16_t remote_port;
sam_grove 5:3f93dd1d4cb3 490
sam_grove 5:3f93dd1d4cb3 491 inet_addr_to_ipaddr(&remote_addr, &name_in->sin_addr);
sam_grove 5:3f93dd1d4cb3 492 remote_port = name_in->sin_port;
sam_grove 5:3f93dd1d4cb3 493
sam_grove 5:3f93dd1d4cb3 494 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, addr=", s));
sam_grove 5:3f93dd1d4cb3 495 ip_addr_debug_print(SOCKETS_DEBUG, &remote_addr);
sam_grove 5:3f93dd1d4cb3 496 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", ntohs(remote_port)));
sam_grove 5:3f93dd1d4cb3 497
sam_grove 5:3f93dd1d4cb3 498 err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port));
sam_grove 5:3f93dd1d4cb3 499 }
sam_grove 5:3f93dd1d4cb3 500
sam_grove 5:3f93dd1d4cb3 501 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 502 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) failed, err=%d\n", s, err));
sam_grove 5:3f93dd1d4cb3 503 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 504 return -1;
sam_grove 5:3f93dd1d4cb3 505 }
sam_grove 5:3f93dd1d4cb3 506
sam_grove 5:3f93dd1d4cb3 507 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) succeeded\n", s));
sam_grove 5:3f93dd1d4cb3 508 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 509 return 0;
sam_grove 5:3f93dd1d4cb3 510 }
sam_grove 5:3f93dd1d4cb3 511
sam_grove 5:3f93dd1d4cb3 512 /**
sam_grove 5:3f93dd1d4cb3 513 * Set a socket into listen mode.
sam_grove 5:3f93dd1d4cb3 514 * The socket may not have been used for another connection previously.
sam_grove 5:3f93dd1d4cb3 515 *
sam_grove 5:3f93dd1d4cb3 516 * @param s the socket to set to listening mode
sam_grove 5:3f93dd1d4cb3 517 * @param backlog (ATTENTION: needs TCP_LISTEN_BACKLOG=1)
sam_grove 5:3f93dd1d4cb3 518 * @return 0 on success, non-zero on failure
sam_grove 5:3f93dd1d4cb3 519 */
sam_grove 5:3f93dd1d4cb3 520 int
sam_grove 5:3f93dd1d4cb3 521 lwip_listen(int s, int backlog)
sam_grove 5:3f93dd1d4cb3 522 {
sam_grove 5:3f93dd1d4cb3 523 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 524 err_t err;
sam_grove 5:3f93dd1d4cb3 525
sam_grove 5:3f93dd1d4cb3 526 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d, backlog=%d)\n", s, backlog));
sam_grove 5:3f93dd1d4cb3 527
sam_grove 5:3f93dd1d4cb3 528 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 529 if (!sock) {
sam_grove 5:3f93dd1d4cb3 530 return -1;
sam_grove 5:3f93dd1d4cb3 531 }
sam_grove 5:3f93dd1d4cb3 532
sam_grove 5:3f93dd1d4cb3 533 /* limit the "backlog" parameter to fit in an u8_t */
sam_grove 5:3f93dd1d4cb3 534 backlog = LWIP_MIN(LWIP_MAX(backlog, 0), 0xff);
sam_grove 5:3f93dd1d4cb3 535
sam_grove 5:3f93dd1d4cb3 536 err = netconn_listen_with_backlog(sock->conn, (u8_t)backlog);
sam_grove 5:3f93dd1d4cb3 537
sam_grove 5:3f93dd1d4cb3 538 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 539 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d) failed, err=%d\n", s, err));
sam_grove 5:3f93dd1d4cb3 540 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 541 return -1;
sam_grove 5:3f93dd1d4cb3 542 }
sam_grove 5:3f93dd1d4cb3 543
sam_grove 5:3f93dd1d4cb3 544 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 545 return 0;
sam_grove 5:3f93dd1d4cb3 546 }
sam_grove 5:3f93dd1d4cb3 547
sam_grove 5:3f93dd1d4cb3 548 int
sam_grove 5:3f93dd1d4cb3 549 lwip_recvfrom(int s, void *mem, size_t len, int flags,
sam_grove 5:3f93dd1d4cb3 550 struct sockaddr *from, socklen_t *fromlen)
sam_grove 5:3f93dd1d4cb3 551 {
sam_grove 5:3f93dd1d4cb3 552 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 553 void *buf = NULL;
sam_grove 5:3f93dd1d4cb3 554 struct pbuf *p;
sam_grove 5:3f93dd1d4cb3 555 u16_t buflen, copylen;
sam_grove 5:3f93dd1d4cb3 556 int off = 0;
sam_grove 5:3f93dd1d4cb3 557 ip_addr_t *addr;
sam_grove 5:3f93dd1d4cb3 558 u16_t port;
sam_grove 5:3f93dd1d4cb3 559 u8_t done = 0;
sam_grove 5:3f93dd1d4cb3 560 err_t err;
sam_grove 5:3f93dd1d4cb3 561
sam_grove 5:3f93dd1d4cb3 562 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d, %p, %"SZT_F", 0x%x, ..)\n", s, mem, len, flags));
sam_grove 5:3f93dd1d4cb3 563 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 564 if (!sock) {
sam_grove 5:3f93dd1d4cb3 565 return -1;
sam_grove 5:3f93dd1d4cb3 566 }
sam_grove 5:3f93dd1d4cb3 567
sam_grove 5:3f93dd1d4cb3 568 do {
sam_grove 5:3f93dd1d4cb3 569 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: top while sock->lastdata=%p\n", sock->lastdata));
sam_grove 5:3f93dd1d4cb3 570 /* Check if there is data left from the last recv operation. */
sam_grove 5:3f93dd1d4cb3 571 if (sock->lastdata) {
sam_grove 5:3f93dd1d4cb3 572 buf = sock->lastdata;
sam_grove 5:3f93dd1d4cb3 573 } else {
sam_grove 5:3f93dd1d4cb3 574 /* If this is non-blocking call, then check first */
sam_grove 5:3f93dd1d4cb3 575 if (((flags & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) &&
sam_grove 5:3f93dd1d4cb3 576 (sock->rcvevent <= 0)) {
sam_grove 5:3f93dd1d4cb3 577 if (off > 0) {
sam_grove 5:3f93dd1d4cb3 578 /* update receive window */
sam_grove 5:3f93dd1d4cb3 579 netconn_recved(sock->conn, (u32_t)off);
sam_grove 5:3f93dd1d4cb3 580 /* already received data, return that */
sam_grove 5:3f93dd1d4cb3 581 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 582 return off;
sam_grove 5:3f93dd1d4cb3 583 }
sam_grove 5:3f93dd1d4cb3 584 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): returning EWOULDBLOCK\n", s));
sam_grove 5:3f93dd1d4cb3 585 sock_set_errno(sock, EWOULDBLOCK);
sam_grove 5:3f93dd1d4cb3 586 return -1;
sam_grove 5:3f93dd1d4cb3 587 }
sam_grove 5:3f93dd1d4cb3 588
sam_grove 5:3f93dd1d4cb3 589 /* No data was left from the previous operation, so we try to get
sam_grove 5:3f93dd1d4cb3 590 some from the network. */
sam_grove 5:3f93dd1d4cb3 591 if (netconn_type(sock->conn) == NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 592 err = netconn_recv_tcp_pbuf(sock->conn, (struct pbuf **)&buf);
sam_grove 5:3f93dd1d4cb3 593 } else {
sam_grove 5:3f93dd1d4cb3 594 err = netconn_recv(sock->conn, (struct netbuf **)&buf);
sam_grove 5:3f93dd1d4cb3 595 }
sam_grove 5:3f93dd1d4cb3 596 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: netconn_recv err=%d, netbuf=%p\n",
sam_grove 5:3f93dd1d4cb3 597 err, buf));
sam_grove 5:3f93dd1d4cb3 598
sam_grove 5:3f93dd1d4cb3 599 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 600 if (off > 0) {
sam_grove 5:3f93dd1d4cb3 601 /* update receive window */
sam_grove 5:3f93dd1d4cb3 602 netconn_recved(sock->conn, (u32_t)off);
sam_grove 5:3f93dd1d4cb3 603 /* already received data, return that */
sam_grove 5:3f93dd1d4cb3 604 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 605 return off;
sam_grove 5:3f93dd1d4cb3 606 }
sam_grove 5:3f93dd1d4cb3 607 /* We should really do some error checking here. */
sam_grove 5:3f93dd1d4cb3 608 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL, error is \"%s\"!\n",
sam_grove 5:3f93dd1d4cb3 609 s, lwip_strerr(err)));
sam_grove 5:3f93dd1d4cb3 610 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 611 if (err == ERR_CLSD) {
sam_grove 5:3f93dd1d4cb3 612 return 0;
sam_grove 5:3f93dd1d4cb3 613 } else {
sam_grove 5:3f93dd1d4cb3 614 return -1;
sam_grove 5:3f93dd1d4cb3 615 }
sam_grove 5:3f93dd1d4cb3 616 }
sam_grove 5:3f93dd1d4cb3 617 LWIP_ASSERT("buf != NULL", buf != NULL);
sam_grove 5:3f93dd1d4cb3 618 sock->lastdata = buf;
sam_grove 5:3f93dd1d4cb3 619 }
sam_grove 5:3f93dd1d4cb3 620
sam_grove 5:3f93dd1d4cb3 621 if (netconn_type(sock->conn) == NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 622 p = (struct pbuf *)buf;
sam_grove 5:3f93dd1d4cb3 623 } else {
sam_grove 5:3f93dd1d4cb3 624 p = ((struct netbuf *)buf)->p;
sam_grove 5:3f93dd1d4cb3 625 }
sam_grove 5:3f93dd1d4cb3 626 buflen = p->tot_len;
sam_grove 5:3f93dd1d4cb3 627 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: buflen=%"U16_F" len=%"SZT_F" off=%d sock->lastoffset=%"U16_F"\n",
sam_grove 5:3f93dd1d4cb3 628 buflen, len, off, sock->lastoffset));
sam_grove 5:3f93dd1d4cb3 629
sam_grove 5:3f93dd1d4cb3 630 buflen -= sock->lastoffset;
sam_grove 5:3f93dd1d4cb3 631
sam_grove 5:3f93dd1d4cb3 632 if (len > buflen) {
sam_grove 5:3f93dd1d4cb3 633 copylen = buflen;
sam_grove 5:3f93dd1d4cb3 634 } else {
sam_grove 5:3f93dd1d4cb3 635 copylen = (u16_t)len;
sam_grove 5:3f93dd1d4cb3 636 }
sam_grove 5:3f93dd1d4cb3 637
sam_grove 5:3f93dd1d4cb3 638 /* copy the contents of the received buffer into
sam_grove 5:3f93dd1d4cb3 639 the supplied memory pointer mem */
sam_grove 5:3f93dd1d4cb3 640 pbuf_copy_partial(p, (u8_t*)mem + off, copylen, sock->lastoffset);
sam_grove 5:3f93dd1d4cb3 641
sam_grove 5:3f93dd1d4cb3 642 off += copylen;
sam_grove 5:3f93dd1d4cb3 643
sam_grove 5:3f93dd1d4cb3 644 if (netconn_type(sock->conn) == NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 645 LWIP_ASSERT("invalid copylen, len would underflow", len >= copylen);
sam_grove 5:3f93dd1d4cb3 646 len -= copylen;
sam_grove 5:3f93dd1d4cb3 647 if ( (len <= 0) ||
sam_grove 5:3f93dd1d4cb3 648 (p->flags & PBUF_FLAG_PUSH) ||
sam_grove 5:3f93dd1d4cb3 649 (sock->rcvevent <= 0) ||
sam_grove 5:3f93dd1d4cb3 650 ((flags & MSG_PEEK)!=0)) {
sam_grove 5:3f93dd1d4cb3 651 done = 1;
sam_grove 5:3f93dd1d4cb3 652 }
sam_grove 5:3f93dd1d4cb3 653 } else {
sam_grove 5:3f93dd1d4cb3 654 done = 1;
sam_grove 5:3f93dd1d4cb3 655 }
sam_grove 5:3f93dd1d4cb3 656
sam_grove 5:3f93dd1d4cb3 657 /* Check to see from where the data was.*/
sam_grove 5:3f93dd1d4cb3 658 if (done) {
sam_grove 5:3f93dd1d4cb3 659 ip_addr_t fromaddr;
sam_grove 5:3f93dd1d4cb3 660 if (from && fromlen) {
sam_grove 5:3f93dd1d4cb3 661 struct sockaddr_in sin;
sam_grove 5:3f93dd1d4cb3 662
sam_grove 5:3f93dd1d4cb3 663 if (netconn_type(sock->conn) == NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 664 addr = &fromaddr;
sam_grove 5:3f93dd1d4cb3 665 netconn_getaddr(sock->conn, addr, &port, 0);
sam_grove 5:3f93dd1d4cb3 666 } else {
sam_grove 5:3f93dd1d4cb3 667 addr = netbuf_fromaddr((struct netbuf *)buf);
sam_grove 5:3f93dd1d4cb3 668 port = netbuf_fromport((struct netbuf *)buf);
sam_grove 5:3f93dd1d4cb3 669 }
sam_grove 5:3f93dd1d4cb3 670
sam_grove 5:3f93dd1d4cb3 671 memset(&sin, 0, sizeof(sin));
sam_grove 5:3f93dd1d4cb3 672 sin.sin_len = sizeof(sin);
sam_grove 5:3f93dd1d4cb3 673 sin.sin_family = AF_INET;
sam_grove 5:3f93dd1d4cb3 674 sin.sin_port = htons(port);
sam_grove 5:3f93dd1d4cb3 675 inet_addr_from_ipaddr(&sin.sin_addr, addr);
sam_grove 5:3f93dd1d4cb3 676
sam_grove 5:3f93dd1d4cb3 677 if (*fromlen > sizeof(sin)) {
sam_grove 5:3f93dd1d4cb3 678 *fromlen = sizeof(sin);
sam_grove 5:3f93dd1d4cb3 679 }
sam_grove 5:3f93dd1d4cb3 680
sam_grove 5:3f93dd1d4cb3 681 MEMCPY(from, &sin, *fromlen);
sam_grove 5:3f93dd1d4cb3 682
sam_grove 5:3f93dd1d4cb3 683 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s));
sam_grove 5:3f93dd1d4cb3 684 ip_addr_debug_print(SOCKETS_DEBUG, addr);
sam_grove 5:3f93dd1d4cb3 685 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F" len=%d\n", port, off));
sam_grove 5:3f93dd1d4cb3 686 } else {
sam_grove 5:3f93dd1d4cb3 687 #if SOCKETS_DEBUG
sam_grove 5:3f93dd1d4cb3 688 if (netconn_type(sock->conn) == NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 689 addr = &fromaddr;
sam_grove 5:3f93dd1d4cb3 690 netconn_getaddr(sock->conn, addr, &port, 0);
sam_grove 5:3f93dd1d4cb3 691 } else {
sam_grove 5:3f93dd1d4cb3 692 addr = netbuf_fromaddr((struct netbuf *)buf);
sam_grove 5:3f93dd1d4cb3 693 port = netbuf_fromport((struct netbuf *)buf);
sam_grove 5:3f93dd1d4cb3 694 }
sam_grove 5:3f93dd1d4cb3 695
sam_grove 5:3f93dd1d4cb3 696 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s));
sam_grove 5:3f93dd1d4cb3 697 ip_addr_debug_print(SOCKETS_DEBUG, addr);
sam_grove 5:3f93dd1d4cb3 698 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F" len=%d\n", port, off));
sam_grove 5:3f93dd1d4cb3 699 #endif /* SOCKETS_DEBUG */
sam_grove 5:3f93dd1d4cb3 700 }
sam_grove 5:3f93dd1d4cb3 701 }
sam_grove 5:3f93dd1d4cb3 702
sam_grove 5:3f93dd1d4cb3 703 /* If we don't peek the incoming message... */
sam_grove 5:3f93dd1d4cb3 704 if ((flags & MSG_PEEK) == 0) {
sam_grove 5:3f93dd1d4cb3 705 /* If this is a TCP socket, check if there is data left in the
sam_grove 5:3f93dd1d4cb3 706 buffer. If so, it should be saved in the sock structure for next
sam_grove 5:3f93dd1d4cb3 707 time around. */
sam_grove 5:3f93dd1d4cb3 708 if ((netconn_type(sock->conn) == NETCONN_TCP) && (buflen - copylen > 0)) {
sam_grove 5:3f93dd1d4cb3 709 sock->lastdata = buf;
sam_grove 5:3f93dd1d4cb3 710 sock->lastoffset += copylen;
sam_grove 5:3f93dd1d4cb3 711 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: lastdata now netbuf=%p\n", buf));
sam_grove 5:3f93dd1d4cb3 712 } else {
sam_grove 5:3f93dd1d4cb3 713 sock->lastdata = NULL;
sam_grove 5:3f93dd1d4cb3 714 sock->lastoffset = 0;
sam_grove 5:3f93dd1d4cb3 715 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: deleting netbuf=%p\n", buf));
sam_grove 5:3f93dd1d4cb3 716 if (netconn_type(sock->conn) == NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 717 pbuf_free((struct pbuf *)buf);
sam_grove 5:3f93dd1d4cb3 718 } else {
sam_grove 5:3f93dd1d4cb3 719 netbuf_delete((struct netbuf *)buf);
sam_grove 5:3f93dd1d4cb3 720 }
sam_grove 5:3f93dd1d4cb3 721 }
sam_grove 5:3f93dd1d4cb3 722 }
sam_grove 5:3f93dd1d4cb3 723 } while (!done);
sam_grove 5:3f93dd1d4cb3 724
sam_grove 5:3f93dd1d4cb3 725 if (off > 0) {
sam_grove 5:3f93dd1d4cb3 726 /* update receive window */
sam_grove 5:3f93dd1d4cb3 727 netconn_recved(sock->conn, (u32_t)off);
sam_grove 5:3f93dd1d4cb3 728 }
sam_grove 5:3f93dd1d4cb3 729 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 730 return off;
sam_grove 5:3f93dd1d4cb3 731 }
sam_grove 5:3f93dd1d4cb3 732
sam_grove 5:3f93dd1d4cb3 733 int
sam_grove 5:3f93dd1d4cb3 734 lwip_read(int s, void *mem, size_t len)
sam_grove 5:3f93dd1d4cb3 735 {
sam_grove 5:3f93dd1d4cb3 736 return lwip_recvfrom(s, mem, len, 0, NULL, NULL);
sam_grove 5:3f93dd1d4cb3 737 }
sam_grove 5:3f93dd1d4cb3 738
sam_grove 5:3f93dd1d4cb3 739 int
sam_grove 5:3f93dd1d4cb3 740 lwip_recv(int s, void *mem, size_t len, int flags)
sam_grove 5:3f93dd1d4cb3 741 {
sam_grove 5:3f93dd1d4cb3 742 return lwip_recvfrom(s, mem, len, flags, NULL, NULL);
sam_grove 5:3f93dd1d4cb3 743 }
sam_grove 5:3f93dd1d4cb3 744
sam_grove 5:3f93dd1d4cb3 745 int
sam_grove 5:3f93dd1d4cb3 746 lwip_send(int s, const void *data, size_t size, int flags)
sam_grove 5:3f93dd1d4cb3 747 {
sam_grove 5:3f93dd1d4cb3 748 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 749 err_t err;
sam_grove 5:3f93dd1d4cb3 750 u8_t write_flags;
sam_grove 5:3f93dd1d4cb3 751
sam_grove 5:3f93dd1d4cb3 752 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d, data=%p, size=%"SZT_F", flags=0x%x)\n",
sam_grove 5:3f93dd1d4cb3 753 s, data, size, flags));
sam_grove 5:3f93dd1d4cb3 754
sam_grove 5:3f93dd1d4cb3 755 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 756 if (!sock) {
sam_grove 5:3f93dd1d4cb3 757 return -1;
sam_grove 5:3f93dd1d4cb3 758 }
sam_grove 5:3f93dd1d4cb3 759
sam_grove 5:3f93dd1d4cb3 760 if (sock->conn->type != NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 761 #if (LWIP_UDP || LWIP_RAW)
sam_grove 5:3f93dd1d4cb3 762 return lwip_sendto(s, data, size, flags, NULL, 0);
sam_grove 5:3f93dd1d4cb3 763 #else /* (LWIP_UDP || LWIP_RAW) */
sam_grove 5:3f93dd1d4cb3 764 sock_set_errno(sock, err_to_errno(ERR_ARG));
sam_grove 5:3f93dd1d4cb3 765 return -1;
sam_grove 5:3f93dd1d4cb3 766 #endif /* (LWIP_UDP || LWIP_RAW) */
sam_grove 5:3f93dd1d4cb3 767 }
sam_grove 5:3f93dd1d4cb3 768
sam_grove 5:3f93dd1d4cb3 769 if ((flags & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) {
sam_grove 5:3f93dd1d4cb3 770 if ((size > TCP_SND_BUF) || ((size / TCP_MSS) > TCP_SND_QUEUELEN)) {
sam_grove 5:3f93dd1d4cb3 771 /* too much data to ever send nonblocking! */
sam_grove 5:3f93dd1d4cb3 772 sock_set_errno(sock, EMSGSIZE);
sam_grove 5:3f93dd1d4cb3 773 return -1;
sam_grove 5:3f93dd1d4cb3 774 }
sam_grove 5:3f93dd1d4cb3 775 }
sam_grove 5:3f93dd1d4cb3 776
sam_grove 5:3f93dd1d4cb3 777 write_flags = NETCONN_COPY |
sam_grove 5:3f93dd1d4cb3 778 ((flags & MSG_MORE) ? NETCONN_MORE : 0) |
sam_grove 5:3f93dd1d4cb3 779 ((flags & MSG_DONTWAIT) ? NETCONN_DONTBLOCK : 0);
sam_grove 5:3f93dd1d4cb3 780 err = netconn_write(sock->conn, data, size, write_flags);
sam_grove 5:3f93dd1d4cb3 781
sam_grove 5:3f93dd1d4cb3 782 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) err=%d size=%"SZT_F"\n", s, err, size));
sam_grove 5:3f93dd1d4cb3 783 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 784 return (err == ERR_OK ? (int)size : -1);
sam_grove 5:3f93dd1d4cb3 785 }
sam_grove 5:3f93dd1d4cb3 786
sam_grove 5:3f93dd1d4cb3 787 int
sam_grove 5:3f93dd1d4cb3 788 lwip_sendto(int s, const void *data, size_t size, int flags,
sam_grove 5:3f93dd1d4cb3 789 const struct sockaddr *to, socklen_t tolen)
sam_grove 5:3f93dd1d4cb3 790 {
sam_grove 5:3f93dd1d4cb3 791 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 792 err_t err;
sam_grove 5:3f93dd1d4cb3 793 u16_t short_size;
sam_grove 5:3f93dd1d4cb3 794 const struct sockaddr_in *to_in;
sam_grove 5:3f93dd1d4cb3 795 u16_t remote_port;
sam_grove 5:3f93dd1d4cb3 796 #if !LWIP_TCPIP_CORE_LOCKING
sam_grove 5:3f93dd1d4cb3 797 struct netbuf buf;
sam_grove 5:3f93dd1d4cb3 798 #endif
sam_grove 5:3f93dd1d4cb3 799
sam_grove 5:3f93dd1d4cb3 800 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 801 if (!sock) {
sam_grove 5:3f93dd1d4cb3 802 return -1;
sam_grove 5:3f93dd1d4cb3 803 }
sam_grove 5:3f93dd1d4cb3 804
sam_grove 5:3f93dd1d4cb3 805 if (sock->conn->type == NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 806 #if LWIP_TCP
sam_grove 5:3f93dd1d4cb3 807 return lwip_send(s, data, size, flags);
sam_grove 5:3f93dd1d4cb3 808 #else /* LWIP_TCP */
sam_grove 5:3f93dd1d4cb3 809 LWIP_UNUSED_ARG(flags);
sam_grove 5:3f93dd1d4cb3 810 sock_set_errno(sock, err_to_errno(ERR_ARG));
sam_grove 5:3f93dd1d4cb3 811 return -1;
sam_grove 5:3f93dd1d4cb3 812 #endif /* LWIP_TCP */
sam_grove 5:3f93dd1d4cb3 813 }
sam_grove 5:3f93dd1d4cb3 814
sam_grove 5:3f93dd1d4cb3 815 /* @todo: split into multiple sendto's? */
sam_grove 5:3f93dd1d4cb3 816 LWIP_ASSERT("lwip_sendto: size must fit in u16_t", size <= 0xffff);
sam_grove 5:3f93dd1d4cb3 817 short_size = (u16_t)size;
sam_grove 5:3f93dd1d4cb3 818 LWIP_ERROR("lwip_sendto: invalid address", (((to == NULL) && (tolen == 0)) ||
sam_grove 5:3f93dd1d4cb3 819 ((tolen == sizeof(struct sockaddr_in)) &&
sam_grove 5:3f93dd1d4cb3 820 ((to->sa_family) == AF_INET) && ((((mem_ptr_t)to) % 4) == 0))),
sam_grove 5:3f93dd1d4cb3 821 sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
sam_grove 5:3f93dd1d4cb3 822 to_in = (const struct sockaddr_in *)(void*)to;
sam_grove 5:3f93dd1d4cb3 823
sam_grove 5:3f93dd1d4cb3 824 #if LWIP_TCPIP_CORE_LOCKING
sam_grove 5:3f93dd1d4cb3 825 /* Should only be consider like a sample or a simple way to experiment this option (no check of "to" field...) */
sam_grove 5:3f93dd1d4cb3 826 {
sam_grove 5:3f93dd1d4cb3 827 struct pbuf* p;
sam_grove 5:3f93dd1d4cb3 828 ip_addr_t *remote_addr;
sam_grove 5:3f93dd1d4cb3 829
sam_grove 5:3f93dd1d4cb3 830 #if LWIP_NETIF_TX_SINGLE_PBUF
sam_grove 5:3f93dd1d4cb3 831 p = pbuf_alloc(PBUF_TRANSPORT, short_size, PBUF_RAM);
sam_grove 5:3f93dd1d4cb3 832 if (p != NULL) {
sam_grove 5:3f93dd1d4cb3 833 #if LWIP_CHECKSUM_ON_COPY
sam_grove 5:3f93dd1d4cb3 834 u16_t chksum = 0;
sam_grove 5:3f93dd1d4cb3 835 if (sock->conn->type != NETCONN_RAW) {
sam_grove 5:3f93dd1d4cb3 836 chksum = LWIP_CHKSUM_COPY(p->payload, data, short_size);
sam_grove 5:3f93dd1d4cb3 837 } else
sam_grove 5:3f93dd1d4cb3 838 #endif /* LWIP_CHECKSUM_ON_COPY */
sam_grove 5:3f93dd1d4cb3 839 MEMCPY(p->payload, data, size);
sam_grove 5:3f93dd1d4cb3 840 #else /* LWIP_NETIF_TX_SINGLE_PBUF */
sam_grove 5:3f93dd1d4cb3 841 p = pbuf_alloc(PBUF_TRANSPORT, short_size, PBUF_REF);
sam_grove 5:3f93dd1d4cb3 842 if (p != NULL) {
sam_grove 5:3f93dd1d4cb3 843 p->payload = (void*)data;
sam_grove 5:3f93dd1d4cb3 844 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */
sam_grove 5:3f93dd1d4cb3 845
sam_grove 5:3f93dd1d4cb3 846 if (to_in != NULL) {
sam_grove 5:3f93dd1d4cb3 847 inet_addr_to_ipaddr_p(remote_addr, &to_in->sin_addr);
sam_grove 5:3f93dd1d4cb3 848 remote_port = ntohs(to_in->sin_port);
sam_grove 5:3f93dd1d4cb3 849 } else {
sam_grove 5:3f93dd1d4cb3 850 remote_addr = &sock->conn->pcb.raw->remote_ip;
sam_grove 5:3f93dd1d4cb3 851 if (sock->conn->type == NETCONN_RAW) {
sam_grove 5:3f93dd1d4cb3 852 remote_port = 0;
sam_grove 5:3f93dd1d4cb3 853 } else {
sam_grove 5:3f93dd1d4cb3 854 remote_port = sock->conn->pcb.udp->remote_port;
sam_grove 5:3f93dd1d4cb3 855 }
sam_grove 5:3f93dd1d4cb3 856 }
sam_grove 5:3f93dd1d4cb3 857
sam_grove 5:3f93dd1d4cb3 858 LOCK_TCPIP_CORE();
sam_grove 5:3f93dd1d4cb3 859 if (sock->conn->type == NETCONN_RAW) {
sam_grove 5:3f93dd1d4cb3 860 err = sock->conn->last_err = raw_sendto(sock->conn->pcb.raw, p, remote_addr);
sam_grove 5:3f93dd1d4cb3 861 } else {
sam_grove 5:3f93dd1d4cb3 862 #if LWIP_UDP
sam_grove 5:3f93dd1d4cb3 863 #if LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF
sam_grove 5:3f93dd1d4cb3 864 err = sock->conn->last_err = udp_sendto_chksum(sock->conn->pcb.udp, p,
sam_grove 5:3f93dd1d4cb3 865 remote_addr, remote_port, 1, chksum);
sam_grove 5:3f93dd1d4cb3 866 #else /* LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF */
sam_grove 5:3f93dd1d4cb3 867 err = sock->conn->last_err = udp_sendto(sock->conn->pcb.udp, p,
sam_grove 5:3f93dd1d4cb3 868 remote_addr, remote_port);
sam_grove 5:3f93dd1d4cb3 869 #endif /* LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF */
sam_grove 5:3f93dd1d4cb3 870 #else /* LWIP_UDP */
sam_grove 5:3f93dd1d4cb3 871 err = ERR_ARG;
sam_grove 5:3f93dd1d4cb3 872 #endif /* LWIP_UDP */
sam_grove 5:3f93dd1d4cb3 873 }
sam_grove 5:3f93dd1d4cb3 874 UNLOCK_TCPIP_CORE();
sam_grove 5:3f93dd1d4cb3 875
sam_grove 5:3f93dd1d4cb3 876 pbuf_free(p);
sam_grove 5:3f93dd1d4cb3 877 } else {
sam_grove 5:3f93dd1d4cb3 878 err = ERR_MEM;
sam_grove 5:3f93dd1d4cb3 879 }
sam_grove 5:3f93dd1d4cb3 880 }
sam_grove 5:3f93dd1d4cb3 881 #else /* LWIP_TCPIP_CORE_LOCKING */
sam_grove 5:3f93dd1d4cb3 882 /* initialize a buffer */
sam_grove 5:3f93dd1d4cb3 883 buf.p = buf.ptr = NULL;
sam_grove 5:3f93dd1d4cb3 884 #if LWIP_CHECKSUM_ON_COPY
sam_grove 5:3f93dd1d4cb3 885 buf.flags = 0;
sam_grove 5:3f93dd1d4cb3 886 #endif /* LWIP_CHECKSUM_ON_COPY */
sam_grove 5:3f93dd1d4cb3 887 if (to) {
sam_grove 5:3f93dd1d4cb3 888 inet_addr_to_ipaddr(&buf.addr, &to_in->sin_addr);
sam_grove 5:3f93dd1d4cb3 889 remote_port = ntohs(to_in->sin_port);
sam_grove 5:3f93dd1d4cb3 890 netbuf_fromport(&buf) = remote_port;
sam_grove 5:3f93dd1d4cb3 891 } else {
sam_grove 5:3f93dd1d4cb3 892 remote_port = 0;
sam_grove 5:3f93dd1d4cb3 893 ip_addr_set_any(&buf.addr);
sam_grove 5:3f93dd1d4cb3 894 netbuf_fromport(&buf) = 0;
sam_grove 5:3f93dd1d4cb3 895 }
sam_grove 5:3f93dd1d4cb3 896
sam_grove 5:3f93dd1d4cb3 897 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_sendto(%d, data=%p, short_size=%"U16_F", flags=0x%x to=",
sam_grove 5:3f93dd1d4cb3 898 s, data, short_size, flags));
sam_grove 5:3f93dd1d4cb3 899 ip_addr_debug_print(SOCKETS_DEBUG, &buf.addr);
sam_grove 5:3f93dd1d4cb3 900 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F"\n", remote_port));
sam_grove 5:3f93dd1d4cb3 901
sam_grove 5:3f93dd1d4cb3 902 /* make the buffer point to the data that should be sent */
sam_grove 5:3f93dd1d4cb3 903 #if LWIP_NETIF_TX_SINGLE_PBUF
sam_grove 5:3f93dd1d4cb3 904 /* Allocate a new netbuf and copy the data into it. */
sam_grove 5:3f93dd1d4cb3 905 if (netbuf_alloc(&buf, short_size) == NULL) {
sam_grove 5:3f93dd1d4cb3 906 err = ERR_MEM;
sam_grove 5:3f93dd1d4cb3 907 } else {
sam_grove 5:3f93dd1d4cb3 908 #if LWIP_CHECKSUM_ON_COPY
sam_grove 5:3f93dd1d4cb3 909 if (sock->conn->type != NETCONN_RAW) {
sam_grove 5:3f93dd1d4cb3 910 u16_t chksum = LWIP_CHKSUM_COPY(buf.p->payload, data, short_size);
sam_grove 5:3f93dd1d4cb3 911 netbuf_set_chksum(&buf, chksum);
sam_grove 5:3f93dd1d4cb3 912 err = ERR_OK;
sam_grove 5:3f93dd1d4cb3 913 } else
sam_grove 5:3f93dd1d4cb3 914 #endif /* LWIP_CHECKSUM_ON_COPY */
sam_grove 5:3f93dd1d4cb3 915 {
sam_grove 5:3f93dd1d4cb3 916 err = netbuf_take(&buf, data, short_size);
sam_grove 5:3f93dd1d4cb3 917 }
sam_grove 5:3f93dd1d4cb3 918 }
sam_grove 5:3f93dd1d4cb3 919 #else /* LWIP_NETIF_TX_SINGLE_PBUF */
sam_grove 5:3f93dd1d4cb3 920 err = netbuf_ref(&buf, data, short_size);
sam_grove 5:3f93dd1d4cb3 921 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */
sam_grove 5:3f93dd1d4cb3 922 if (err == ERR_OK) {
sam_grove 5:3f93dd1d4cb3 923 /* send the data */
sam_grove 5:3f93dd1d4cb3 924 err = netconn_send(sock->conn, &buf);
sam_grove 5:3f93dd1d4cb3 925 }
sam_grove 5:3f93dd1d4cb3 926
sam_grove 5:3f93dd1d4cb3 927 /* deallocated the buffer */
sam_grove 5:3f93dd1d4cb3 928 netbuf_free(&buf);
sam_grove 5:3f93dd1d4cb3 929 #endif /* LWIP_TCPIP_CORE_LOCKING */
sam_grove 5:3f93dd1d4cb3 930 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 931 return (err == ERR_OK ? short_size : -1);
sam_grove 5:3f93dd1d4cb3 932 }
sam_grove 5:3f93dd1d4cb3 933
sam_grove 5:3f93dd1d4cb3 934 int
sam_grove 5:3f93dd1d4cb3 935 lwip_socket(int domain, int type, int protocol)
sam_grove 5:3f93dd1d4cb3 936 {
sam_grove 5:3f93dd1d4cb3 937 struct netconn *conn;
sam_grove 5:3f93dd1d4cb3 938 int i;
sam_grove 5:3f93dd1d4cb3 939
sam_grove 5:3f93dd1d4cb3 940 LWIP_UNUSED_ARG(domain);
sam_grove 5:3f93dd1d4cb3 941
sam_grove 5:3f93dd1d4cb3 942 /* create a netconn */
sam_grove 5:3f93dd1d4cb3 943 switch (type) {
sam_grove 5:3f93dd1d4cb3 944 case SOCK_RAW:
sam_grove 5:3f93dd1d4cb3 945 conn = netconn_new_with_proto_and_callback(NETCONN_RAW, (u8_t)protocol, event_callback);
sam_grove 5:3f93dd1d4cb3 946 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_RAW, %d) = ",
sam_grove 5:3f93dd1d4cb3 947 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
sam_grove 5:3f93dd1d4cb3 948 break;
sam_grove 5:3f93dd1d4cb3 949 case SOCK_DGRAM:
sam_grove 5:3f93dd1d4cb3 950 conn = netconn_new_with_callback( (protocol == IPPROTO_UDPLITE) ?
sam_grove 5:3f93dd1d4cb3 951 NETCONN_UDPLITE : NETCONN_UDP, event_callback);
sam_grove 5:3f93dd1d4cb3 952 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_DGRAM, %d) = ",
sam_grove 5:3f93dd1d4cb3 953 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
sam_grove 5:3f93dd1d4cb3 954 break;
sam_grove 5:3f93dd1d4cb3 955 case SOCK_STREAM:
sam_grove 5:3f93dd1d4cb3 956 conn = netconn_new_with_callback(NETCONN_TCP, event_callback);
sam_grove 5:3f93dd1d4cb3 957 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_STREAM, %d) = ",
sam_grove 5:3f93dd1d4cb3 958 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
sam_grove 5:3f93dd1d4cb3 959 if (conn != NULL) {
sam_grove 5:3f93dd1d4cb3 960 /* Prevent automatic window updates, we do this on our own! */
sam_grove 5:3f93dd1d4cb3 961 netconn_set_noautorecved(conn, 1);
sam_grove 5:3f93dd1d4cb3 962 }
sam_grove 5:3f93dd1d4cb3 963 break;
sam_grove 5:3f93dd1d4cb3 964 default:
sam_grove 5:3f93dd1d4cb3 965 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%d, %d/UNKNOWN, %d) = -1\n",
sam_grove 5:3f93dd1d4cb3 966 domain, type, protocol));
sam_grove 5:3f93dd1d4cb3 967 set_errno(EINVAL);
sam_grove 5:3f93dd1d4cb3 968 return -1;
sam_grove 5:3f93dd1d4cb3 969 }
sam_grove 5:3f93dd1d4cb3 970
sam_grove 5:3f93dd1d4cb3 971 if (!conn) {
sam_grove 5:3f93dd1d4cb3 972 LWIP_DEBUGF(SOCKETS_DEBUG, ("-1 / ENOBUFS (could not create netconn)\n"));
sam_grove 5:3f93dd1d4cb3 973 set_errno(ENOBUFS);
sam_grove 5:3f93dd1d4cb3 974 return -1;
sam_grove 5:3f93dd1d4cb3 975 }
sam_grove 5:3f93dd1d4cb3 976
sam_grove 5:3f93dd1d4cb3 977 i = alloc_socket(conn, 0);
sam_grove 5:3f93dd1d4cb3 978
sam_grove 5:3f93dd1d4cb3 979 if (i == -1) {
sam_grove 5:3f93dd1d4cb3 980 netconn_delete(conn);
sam_grove 5:3f93dd1d4cb3 981 set_errno(ENFILE);
sam_grove 5:3f93dd1d4cb3 982 return -1;
sam_grove 5:3f93dd1d4cb3 983 }
sam_grove 5:3f93dd1d4cb3 984 conn->socket = i;
sam_grove 5:3f93dd1d4cb3 985 LWIP_DEBUGF(SOCKETS_DEBUG, ("%d\n", i));
sam_grove 5:3f93dd1d4cb3 986 set_errno(0);
sam_grove 5:3f93dd1d4cb3 987 return i;
sam_grove 5:3f93dd1d4cb3 988 }
sam_grove 5:3f93dd1d4cb3 989
sam_grove 5:3f93dd1d4cb3 990 int
sam_grove 5:3f93dd1d4cb3 991 lwip_write(int s, const void *data, size_t size)
sam_grove 5:3f93dd1d4cb3 992 {
sam_grove 5:3f93dd1d4cb3 993 return lwip_send(s, data, size, 0);
sam_grove 5:3f93dd1d4cb3 994 }
sam_grove 5:3f93dd1d4cb3 995
sam_grove 5:3f93dd1d4cb3 996 /**
sam_grove 5:3f93dd1d4cb3 997 * Go through the readset and writeset lists and see which socket of the sockets
sam_grove 5:3f93dd1d4cb3 998 * set in the sets has events. On return, readset, writeset and exceptset have
sam_grove 5:3f93dd1d4cb3 999 * the sockets enabled that had events.
sam_grove 5:3f93dd1d4cb3 1000 *
sam_grove 5:3f93dd1d4cb3 1001 * exceptset is not used for now!!!
sam_grove 5:3f93dd1d4cb3 1002 *
sam_grove 5:3f93dd1d4cb3 1003 * @param maxfdp1 the highest socket index in the sets
sam_grove 5:3f93dd1d4cb3 1004 * @param readset_in: set of sockets to check for read events
sam_grove 5:3f93dd1d4cb3 1005 * @param writeset_in: set of sockets to check for write events
sam_grove 5:3f93dd1d4cb3 1006 * @param exceptset_in: set of sockets to check for error events
sam_grove 5:3f93dd1d4cb3 1007 * @param readset_out: set of sockets that had read events
sam_grove 5:3f93dd1d4cb3 1008 * @param writeset_out: set of sockets that had write events
sam_grove 5:3f93dd1d4cb3 1009 * @param exceptset_out: set os sockets that had error events
sam_grove 5:3f93dd1d4cb3 1010 * @return number of sockets that had events (read/write/exception) (>= 0)
sam_grove 5:3f93dd1d4cb3 1011 */
sam_grove 5:3f93dd1d4cb3 1012 static int
sam_grove 5:3f93dd1d4cb3 1013 lwip_selscan(int maxfdp1, fd_set *readset_in, fd_set *writeset_in, fd_set *exceptset_in,
sam_grove 5:3f93dd1d4cb3 1014 fd_set *readset_out, fd_set *writeset_out, fd_set *exceptset_out)
sam_grove 5:3f93dd1d4cb3 1015 {
sam_grove 5:3f93dd1d4cb3 1016 int i, nready = 0;
sam_grove 5:3f93dd1d4cb3 1017 fd_set lreadset, lwriteset, lexceptset;
sam_grove 5:3f93dd1d4cb3 1018 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 1019 SYS_ARCH_DECL_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1020
sam_grove 5:3f93dd1d4cb3 1021 FD_ZERO(&lreadset);
sam_grove 5:3f93dd1d4cb3 1022 FD_ZERO(&lwriteset);
sam_grove 5:3f93dd1d4cb3 1023 FD_ZERO(&lexceptset);
sam_grove 5:3f93dd1d4cb3 1024
sam_grove 5:3f93dd1d4cb3 1025 /* Go through each socket in each list to count number of sockets which
sam_grove 5:3f93dd1d4cb3 1026 currently match */
sam_grove 5:3f93dd1d4cb3 1027 for(i = 0; i < maxfdp1; i++) {
sam_grove 5:3f93dd1d4cb3 1028 void* lastdata = NULL;
sam_grove 5:3f93dd1d4cb3 1029 s16_t rcvevent = 0;
sam_grove 5:3f93dd1d4cb3 1030 u16_t sendevent = 0;
sam_grove 5:3f93dd1d4cb3 1031 u16_t errevent = 0;
sam_grove 5:3f93dd1d4cb3 1032 /* First get the socket's status (protected)... */
sam_grove 5:3f93dd1d4cb3 1033 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1034 sock = tryget_socket(i);
sam_grove 5:3f93dd1d4cb3 1035 if (sock != NULL) {
sam_grove 5:3f93dd1d4cb3 1036 lastdata = sock->lastdata;
sam_grove 5:3f93dd1d4cb3 1037 rcvevent = sock->rcvevent;
sam_grove 5:3f93dd1d4cb3 1038 sendevent = sock->sendevent;
sam_grove 5:3f93dd1d4cb3 1039 errevent = sock->errevent;
sam_grove 5:3f93dd1d4cb3 1040 }
sam_grove 5:3f93dd1d4cb3 1041 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1042 /* ... then examine it: */
sam_grove 5:3f93dd1d4cb3 1043 /* See if netconn of this socket is ready for read */
sam_grove 5:3f93dd1d4cb3 1044 if (readset_in && FD_ISSET(i, readset_in) && ((lastdata != NULL) || (rcvevent > 0))) {
sam_grove 5:3f93dd1d4cb3 1045 FD_SET(i, &lreadset);
sam_grove 5:3f93dd1d4cb3 1046 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for reading\n", i));
sam_grove 5:3f93dd1d4cb3 1047 nready++;
sam_grove 5:3f93dd1d4cb3 1048 }
sam_grove 5:3f93dd1d4cb3 1049 /* See if netconn of this socket is ready for write */
sam_grove 5:3f93dd1d4cb3 1050 if (writeset_in && FD_ISSET(i, writeset_in) && (sendevent != 0)) {
sam_grove 5:3f93dd1d4cb3 1051 FD_SET(i, &lwriteset);
sam_grove 5:3f93dd1d4cb3 1052 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for writing\n", i));
sam_grove 5:3f93dd1d4cb3 1053 nready++;
sam_grove 5:3f93dd1d4cb3 1054 }
sam_grove 5:3f93dd1d4cb3 1055 /* See if netconn of this socket had an error */
sam_grove 5:3f93dd1d4cb3 1056 if (exceptset_in && FD_ISSET(i, exceptset_in) && (errevent != 0)) {
sam_grove 5:3f93dd1d4cb3 1057 FD_SET(i, &lexceptset);
sam_grove 5:3f93dd1d4cb3 1058 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for exception\n", i));
sam_grove 5:3f93dd1d4cb3 1059 nready++;
sam_grove 5:3f93dd1d4cb3 1060 }
sam_grove 5:3f93dd1d4cb3 1061 }
sam_grove 5:3f93dd1d4cb3 1062 /* copy local sets to the ones provided as arguments */
sam_grove 5:3f93dd1d4cb3 1063 *readset_out = lreadset;
sam_grove 5:3f93dd1d4cb3 1064 *writeset_out = lwriteset;
sam_grove 5:3f93dd1d4cb3 1065 *exceptset_out = lexceptset;
sam_grove 5:3f93dd1d4cb3 1066
sam_grove 5:3f93dd1d4cb3 1067 LWIP_ASSERT("nready >= 0", nready >= 0);
sam_grove 5:3f93dd1d4cb3 1068 return nready;
sam_grove 5:3f93dd1d4cb3 1069 }
sam_grove 5:3f93dd1d4cb3 1070
sam_grove 5:3f93dd1d4cb3 1071 /**
sam_grove 5:3f93dd1d4cb3 1072 * Processing exceptset is not yet implemented.
sam_grove 5:3f93dd1d4cb3 1073 */
sam_grove 5:3f93dd1d4cb3 1074 int
sam_grove 5:3f93dd1d4cb3 1075 lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
sam_grove 5:3f93dd1d4cb3 1076 struct timeval *timeout)
sam_grove 5:3f93dd1d4cb3 1077 {
sam_grove 5:3f93dd1d4cb3 1078 u32_t waitres = 0;
sam_grove 5:3f93dd1d4cb3 1079 int nready;
sam_grove 5:3f93dd1d4cb3 1080 fd_set lreadset, lwriteset, lexceptset;
sam_grove 5:3f93dd1d4cb3 1081 u32_t msectimeout;
sam_grove 5:3f93dd1d4cb3 1082 struct lwip_select_cb select_cb;
sam_grove 5:3f93dd1d4cb3 1083 err_t err;
sam_grove 5:3f93dd1d4cb3 1084 int i;
sam_grove 5:3f93dd1d4cb3 1085 SYS_ARCH_DECL_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1086
sam_grove 5:3f93dd1d4cb3 1087 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select(%d, %p, %p, %p, tvsec=%"S32_F" tvusec=%"S32_F")\n",
sam_grove 5:3f93dd1d4cb3 1088 maxfdp1, (void *)readset, (void *) writeset, (void *) exceptset,
sam_grove 5:3f93dd1d4cb3 1089 timeout ? (s32_t)timeout->tv_sec : (s32_t)-1,
sam_grove 5:3f93dd1d4cb3 1090 timeout ? (s32_t)timeout->tv_usec : (s32_t)-1));
sam_grove 5:3f93dd1d4cb3 1091
sam_grove 5:3f93dd1d4cb3 1092 /* Go through each socket in each list to count number of sockets which
sam_grove 5:3f93dd1d4cb3 1093 currently match */
sam_grove 5:3f93dd1d4cb3 1094 nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
sam_grove 5:3f93dd1d4cb3 1095
sam_grove 5:3f93dd1d4cb3 1096 /* If we don't have any current events, then suspend if we are supposed to */
sam_grove 5:3f93dd1d4cb3 1097 if (!nready) {
sam_grove 5:3f93dd1d4cb3 1098 if (timeout && timeout->tv_sec == 0 && timeout->tv_usec == 0) {
sam_grove 5:3f93dd1d4cb3 1099 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: no timeout, returning 0\n"));
sam_grove 5:3f93dd1d4cb3 1100 /* This is OK as the local fdsets are empty and nready is zero,
sam_grove 5:3f93dd1d4cb3 1101 or we would have returned earlier. */
sam_grove 5:3f93dd1d4cb3 1102 goto return_copy_fdsets;
sam_grove 5:3f93dd1d4cb3 1103 }
sam_grove 5:3f93dd1d4cb3 1104
sam_grove 5:3f93dd1d4cb3 1105 /* None ready: add our semaphore to list:
sam_grove 5:3f93dd1d4cb3 1106 We don't actually need any dynamic memory. Our entry on the
sam_grove 5:3f93dd1d4cb3 1107 list is only valid while we are in this function, so it's ok
sam_grove 5:3f93dd1d4cb3 1108 to use local variables. */
sam_grove 5:3f93dd1d4cb3 1109
sam_grove 5:3f93dd1d4cb3 1110 select_cb.next = NULL;
sam_grove 5:3f93dd1d4cb3 1111 select_cb.prev = NULL;
sam_grove 5:3f93dd1d4cb3 1112 select_cb.readset = readset;
sam_grove 5:3f93dd1d4cb3 1113 select_cb.writeset = writeset;
sam_grove 5:3f93dd1d4cb3 1114 select_cb.exceptset = exceptset;
sam_grove 5:3f93dd1d4cb3 1115 select_cb.sem_signalled = 0;
sam_grove 5:3f93dd1d4cb3 1116 err = sys_sem_new(&select_cb.sem, 0);
sam_grove 5:3f93dd1d4cb3 1117 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 1118 /* failed to create semaphore */
sam_grove 5:3f93dd1d4cb3 1119 set_errno(ENOMEM);
sam_grove 5:3f93dd1d4cb3 1120 return -1;
sam_grove 5:3f93dd1d4cb3 1121 }
sam_grove 5:3f93dd1d4cb3 1122
sam_grove 5:3f93dd1d4cb3 1123 /* Protect the select_cb_list */
sam_grove 5:3f93dd1d4cb3 1124 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1125
sam_grove 5:3f93dd1d4cb3 1126 /* Put this select_cb on top of list */
sam_grove 5:3f93dd1d4cb3 1127 select_cb.next = select_cb_list;
sam_grove 5:3f93dd1d4cb3 1128 if (select_cb_list != NULL) {
sam_grove 5:3f93dd1d4cb3 1129 select_cb_list->prev = &select_cb;
sam_grove 5:3f93dd1d4cb3 1130 }
sam_grove 5:3f93dd1d4cb3 1131 select_cb_list = &select_cb;
sam_grove 5:3f93dd1d4cb3 1132 /* Increasing this counter tells even_callback that the list has changed. */
sam_grove 5:3f93dd1d4cb3 1133 select_cb_ctr++;
sam_grove 5:3f93dd1d4cb3 1134
sam_grove 5:3f93dd1d4cb3 1135 /* Now we can safely unprotect */
sam_grove 5:3f93dd1d4cb3 1136 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1137
sam_grove 5:3f93dd1d4cb3 1138 /* Increase select_waiting for each socket we are interested in */
sam_grove 5:3f93dd1d4cb3 1139 for(i = 0; i < maxfdp1; i++) {
sam_grove 5:3f93dd1d4cb3 1140 if ((readset && FD_ISSET(i, readset)) ||
sam_grove 5:3f93dd1d4cb3 1141 (writeset && FD_ISSET(i, writeset)) ||
sam_grove 5:3f93dd1d4cb3 1142 (exceptset && FD_ISSET(i, exceptset))) {
sam_grove 5:3f93dd1d4cb3 1143 struct lwip_sock *sock = tryget_socket(i);
sam_grove 5:3f93dd1d4cb3 1144 LWIP_ASSERT("sock != NULL", sock != NULL);
sam_grove 5:3f93dd1d4cb3 1145 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1146 sock->select_waiting++;
sam_grove 5:3f93dd1d4cb3 1147 LWIP_ASSERT("sock->select_waiting > 0", sock->select_waiting > 0);
sam_grove 5:3f93dd1d4cb3 1148 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1149 }
sam_grove 5:3f93dd1d4cb3 1150 }
sam_grove 5:3f93dd1d4cb3 1151
sam_grove 5:3f93dd1d4cb3 1152 /* Call lwip_selscan again: there could have been events between
sam_grove 5:3f93dd1d4cb3 1153 the last scan (whithout us on the list) and putting us on the list! */
sam_grove 5:3f93dd1d4cb3 1154 nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
sam_grove 5:3f93dd1d4cb3 1155 if (!nready) {
sam_grove 5:3f93dd1d4cb3 1156 /* Still none ready, just wait to be woken */
sam_grove 5:3f93dd1d4cb3 1157 if (timeout == 0) {
sam_grove 5:3f93dd1d4cb3 1158 /* Wait forever */
sam_grove 5:3f93dd1d4cb3 1159 msectimeout = 0;
sam_grove 5:3f93dd1d4cb3 1160 } else {
sam_grove 5:3f93dd1d4cb3 1161 msectimeout = ((timeout->tv_sec * 1000) + ((timeout->tv_usec + 500)/1000));
sam_grove 5:3f93dd1d4cb3 1162 if (msectimeout == 0) {
sam_grove 5:3f93dd1d4cb3 1163 /* Wait 1ms at least (0 means wait forever) */
sam_grove 5:3f93dd1d4cb3 1164 msectimeout = 1;
sam_grove 5:3f93dd1d4cb3 1165 }
sam_grove 5:3f93dd1d4cb3 1166 }
sam_grove 5:3f93dd1d4cb3 1167
sam_grove 5:3f93dd1d4cb3 1168 waitres = sys_arch_sem_wait(&select_cb.sem, msectimeout);
sam_grove 5:3f93dd1d4cb3 1169 }
sam_grove 5:3f93dd1d4cb3 1170 /* Increase select_waiting for each socket we are interested in */
sam_grove 5:3f93dd1d4cb3 1171 for(i = 0; i < maxfdp1; i++) {
sam_grove 5:3f93dd1d4cb3 1172 if ((readset && FD_ISSET(i, readset)) ||
sam_grove 5:3f93dd1d4cb3 1173 (writeset && FD_ISSET(i, writeset)) ||
sam_grove 5:3f93dd1d4cb3 1174 (exceptset && FD_ISSET(i, exceptset))) {
sam_grove 5:3f93dd1d4cb3 1175 struct lwip_sock *sock = tryget_socket(i);
sam_grove 5:3f93dd1d4cb3 1176 LWIP_ASSERT("sock != NULL", sock != NULL);
sam_grove 5:3f93dd1d4cb3 1177 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1178 sock->select_waiting--;
sam_grove 5:3f93dd1d4cb3 1179 LWIP_ASSERT("sock->select_waiting >= 0", sock->select_waiting >= 0);
sam_grove 5:3f93dd1d4cb3 1180 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1181 }
sam_grove 5:3f93dd1d4cb3 1182 }
sam_grove 5:3f93dd1d4cb3 1183 /* Take us off the list */
sam_grove 5:3f93dd1d4cb3 1184 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1185 if (select_cb.next != NULL) {
sam_grove 5:3f93dd1d4cb3 1186 select_cb.next->prev = select_cb.prev;
sam_grove 5:3f93dd1d4cb3 1187 }
sam_grove 5:3f93dd1d4cb3 1188 if (select_cb_list == &select_cb) {
sam_grove 5:3f93dd1d4cb3 1189 LWIP_ASSERT("select_cb.prev == NULL", select_cb.prev == NULL);
sam_grove 5:3f93dd1d4cb3 1190 select_cb_list = select_cb.next;
sam_grove 5:3f93dd1d4cb3 1191 } else {
sam_grove 5:3f93dd1d4cb3 1192 LWIP_ASSERT("select_cb.prev != NULL", select_cb.prev != NULL);
sam_grove 5:3f93dd1d4cb3 1193 select_cb.prev->next = select_cb.next;
sam_grove 5:3f93dd1d4cb3 1194 }
sam_grove 5:3f93dd1d4cb3 1195 /* Increasing this counter tells even_callback that the list has changed. */
sam_grove 5:3f93dd1d4cb3 1196 select_cb_ctr++;
sam_grove 5:3f93dd1d4cb3 1197 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1198
sam_grove 5:3f93dd1d4cb3 1199 sys_sem_free(&select_cb.sem);
sam_grove 5:3f93dd1d4cb3 1200 if (waitres == SYS_ARCH_TIMEOUT) {
sam_grove 5:3f93dd1d4cb3 1201 /* Timeout */
sam_grove 5:3f93dd1d4cb3 1202 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: timeout expired\n"));
sam_grove 5:3f93dd1d4cb3 1203 /* This is OK as the local fdsets are empty and nready is zero,
sam_grove 5:3f93dd1d4cb3 1204 or we would have returned earlier. */
sam_grove 5:3f93dd1d4cb3 1205 goto return_copy_fdsets;
sam_grove 5:3f93dd1d4cb3 1206 }
sam_grove 5:3f93dd1d4cb3 1207
sam_grove 5:3f93dd1d4cb3 1208 /* See what's set */
sam_grove 5:3f93dd1d4cb3 1209 nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
sam_grove 5:3f93dd1d4cb3 1210 }
sam_grove 5:3f93dd1d4cb3 1211
sam_grove 5:3f93dd1d4cb3 1212 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: nready=%d\n", nready));
sam_grove 5:3f93dd1d4cb3 1213 return_copy_fdsets:
sam_grove 5:3f93dd1d4cb3 1214 set_errno(0);
sam_grove 5:3f93dd1d4cb3 1215 if (readset) {
sam_grove 5:3f93dd1d4cb3 1216 *readset = lreadset;
sam_grove 5:3f93dd1d4cb3 1217 }
sam_grove 5:3f93dd1d4cb3 1218 if (writeset) {
sam_grove 5:3f93dd1d4cb3 1219 *writeset = lwriteset;
sam_grove 5:3f93dd1d4cb3 1220 }
sam_grove 5:3f93dd1d4cb3 1221 if (exceptset) {
sam_grove 5:3f93dd1d4cb3 1222 *exceptset = lexceptset;
sam_grove 5:3f93dd1d4cb3 1223 }
sam_grove 5:3f93dd1d4cb3 1224
sam_grove 5:3f93dd1d4cb3 1225
sam_grove 5:3f93dd1d4cb3 1226 return nready;
sam_grove 5:3f93dd1d4cb3 1227 }
sam_grove 5:3f93dd1d4cb3 1228
sam_grove 5:3f93dd1d4cb3 1229 /**
sam_grove 5:3f93dd1d4cb3 1230 * Callback registered in the netconn layer for each socket-netconn.
sam_grove 5:3f93dd1d4cb3 1231 * Processes recvevent (data available) and wakes up tasks waiting for select.
sam_grove 5:3f93dd1d4cb3 1232 */
sam_grove 5:3f93dd1d4cb3 1233 static void
sam_grove 5:3f93dd1d4cb3 1234 event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
sam_grove 5:3f93dd1d4cb3 1235 {
sam_grove 5:3f93dd1d4cb3 1236 int s;
sam_grove 5:3f93dd1d4cb3 1237 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 1238 struct lwip_select_cb *scb;
sam_grove 5:3f93dd1d4cb3 1239 int last_select_cb_ctr;
sam_grove 5:3f93dd1d4cb3 1240 SYS_ARCH_DECL_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1241
sam_grove 5:3f93dd1d4cb3 1242 LWIP_UNUSED_ARG(len);
sam_grove 5:3f93dd1d4cb3 1243
sam_grove 5:3f93dd1d4cb3 1244 /* Get socket */
sam_grove 5:3f93dd1d4cb3 1245 if (conn) {
sam_grove 5:3f93dd1d4cb3 1246 s = conn->socket;
sam_grove 5:3f93dd1d4cb3 1247 if (s < 0) {
sam_grove 5:3f93dd1d4cb3 1248 /* Data comes in right away after an accept, even though
sam_grove 5:3f93dd1d4cb3 1249 * the server task might not have created a new socket yet.
sam_grove 5:3f93dd1d4cb3 1250 * Just count down (or up) if that's the case and we
sam_grove 5:3f93dd1d4cb3 1251 * will use the data later. Note that only receive events
sam_grove 5:3f93dd1d4cb3 1252 * can happen before the new socket is set up. */
sam_grove 5:3f93dd1d4cb3 1253 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1254 if (conn->socket < 0) {
sam_grove 5:3f93dd1d4cb3 1255 if (evt == NETCONN_EVT_RCVPLUS) {
sam_grove 5:3f93dd1d4cb3 1256 conn->socket--;
sam_grove 5:3f93dd1d4cb3 1257 }
sam_grove 5:3f93dd1d4cb3 1258 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1259 return;
sam_grove 5:3f93dd1d4cb3 1260 }
sam_grove 5:3f93dd1d4cb3 1261 s = conn->socket;
sam_grove 5:3f93dd1d4cb3 1262 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1263 }
sam_grove 5:3f93dd1d4cb3 1264
sam_grove 5:3f93dd1d4cb3 1265 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 1266 if (!sock) {
sam_grove 5:3f93dd1d4cb3 1267 return;
sam_grove 5:3f93dd1d4cb3 1268 }
sam_grove 5:3f93dd1d4cb3 1269 } else {
sam_grove 5:3f93dd1d4cb3 1270 return;
sam_grove 5:3f93dd1d4cb3 1271 }
sam_grove 5:3f93dd1d4cb3 1272
sam_grove 5:3f93dd1d4cb3 1273 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1274 /* Set event as required */
sam_grove 5:3f93dd1d4cb3 1275 switch (evt) {
sam_grove 5:3f93dd1d4cb3 1276 case NETCONN_EVT_RCVPLUS:
sam_grove 5:3f93dd1d4cb3 1277 sock->rcvevent++;
sam_grove 5:3f93dd1d4cb3 1278 break;
sam_grove 5:3f93dd1d4cb3 1279 case NETCONN_EVT_RCVMINUS:
sam_grove 5:3f93dd1d4cb3 1280 sock->rcvevent--;
sam_grove 5:3f93dd1d4cb3 1281 break;
sam_grove 5:3f93dd1d4cb3 1282 case NETCONN_EVT_SENDPLUS:
sam_grove 5:3f93dd1d4cb3 1283 sock->sendevent = 1;
sam_grove 5:3f93dd1d4cb3 1284 break;
sam_grove 5:3f93dd1d4cb3 1285 case NETCONN_EVT_SENDMINUS:
sam_grove 5:3f93dd1d4cb3 1286 sock->sendevent = 0;
sam_grove 5:3f93dd1d4cb3 1287 break;
sam_grove 5:3f93dd1d4cb3 1288 case NETCONN_EVT_ERROR:
sam_grove 5:3f93dd1d4cb3 1289 sock->errevent = 1;
sam_grove 5:3f93dd1d4cb3 1290 break;
sam_grove 5:3f93dd1d4cb3 1291 default:
sam_grove 5:3f93dd1d4cb3 1292 LWIP_ASSERT("unknown event", 0);
sam_grove 5:3f93dd1d4cb3 1293 break;
sam_grove 5:3f93dd1d4cb3 1294 }
sam_grove 5:3f93dd1d4cb3 1295
sam_grove 5:3f93dd1d4cb3 1296 if (sock->select_waiting == 0) {
sam_grove 5:3f93dd1d4cb3 1297 /* noone is waiting for this socket, no need to check select_cb_list */
sam_grove 5:3f93dd1d4cb3 1298 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1299 return;
sam_grove 5:3f93dd1d4cb3 1300 }
sam_grove 5:3f93dd1d4cb3 1301
sam_grove 5:3f93dd1d4cb3 1302 /* Now decide if anyone is waiting for this socket */
sam_grove 5:3f93dd1d4cb3 1303 /* NOTE: This code goes through the select_cb_list list multiple times
sam_grove 5:3f93dd1d4cb3 1304 ONLY IF a select was actually waiting. We go through the list the number
sam_grove 5:3f93dd1d4cb3 1305 of waiting select calls + 1. This list is expected to be small. */
sam_grove 5:3f93dd1d4cb3 1306
sam_grove 5:3f93dd1d4cb3 1307 /* At this point, SYS_ARCH is still protected! */
sam_grove 5:3f93dd1d4cb3 1308 again:
sam_grove 5:3f93dd1d4cb3 1309 for (scb = select_cb_list; scb != NULL; scb = scb->next) {
sam_grove 5:3f93dd1d4cb3 1310 if (scb->sem_signalled == 0) {
sam_grove 5:3f93dd1d4cb3 1311 /* semaphore not signalled yet */
sam_grove 5:3f93dd1d4cb3 1312 int do_signal = 0;
sam_grove 5:3f93dd1d4cb3 1313 /* Test this select call for our socket */
sam_grove 5:3f93dd1d4cb3 1314 if (sock->rcvevent > 0) {
sam_grove 5:3f93dd1d4cb3 1315 if (scb->readset && FD_ISSET(s, scb->readset)) {
sam_grove 5:3f93dd1d4cb3 1316 do_signal = 1;
sam_grove 5:3f93dd1d4cb3 1317 }
sam_grove 5:3f93dd1d4cb3 1318 }
sam_grove 5:3f93dd1d4cb3 1319 if (sock->sendevent != 0) {
sam_grove 5:3f93dd1d4cb3 1320 if (!do_signal && scb->writeset && FD_ISSET(s, scb->writeset)) {
sam_grove 5:3f93dd1d4cb3 1321 do_signal = 1;
sam_grove 5:3f93dd1d4cb3 1322 }
sam_grove 5:3f93dd1d4cb3 1323 }
sam_grove 5:3f93dd1d4cb3 1324 if (sock->errevent != 0) {
sam_grove 5:3f93dd1d4cb3 1325 if (!do_signal && scb->exceptset && FD_ISSET(s, scb->exceptset)) {
sam_grove 5:3f93dd1d4cb3 1326 do_signal = 1;
sam_grove 5:3f93dd1d4cb3 1327 }
sam_grove 5:3f93dd1d4cb3 1328 }
sam_grove 5:3f93dd1d4cb3 1329 if (do_signal) {
sam_grove 5:3f93dd1d4cb3 1330 scb->sem_signalled = 1;
sam_grove 5:3f93dd1d4cb3 1331 /* Don't call SYS_ARCH_UNPROTECT() before signaling the semaphore, as this might
sam_grove 5:3f93dd1d4cb3 1332 lead to the select thread taking itself off the list, invalidagin the semaphore. */
sam_grove 5:3f93dd1d4cb3 1333 sys_sem_signal(&scb->sem);
sam_grove 5:3f93dd1d4cb3 1334 }
sam_grove 5:3f93dd1d4cb3 1335 }
sam_grove 5:3f93dd1d4cb3 1336 /* unlock interrupts with each step */
sam_grove 5:3f93dd1d4cb3 1337 last_select_cb_ctr = select_cb_ctr;
sam_grove 5:3f93dd1d4cb3 1338 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1339 /* this makes sure interrupt protection time is short */
sam_grove 5:3f93dd1d4cb3 1340 SYS_ARCH_PROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1341 if (last_select_cb_ctr != select_cb_ctr) {
sam_grove 5:3f93dd1d4cb3 1342 /* someone has changed select_cb_list, restart at the beginning */
sam_grove 5:3f93dd1d4cb3 1343 goto again;
sam_grove 5:3f93dd1d4cb3 1344 }
sam_grove 5:3f93dd1d4cb3 1345 }
sam_grove 5:3f93dd1d4cb3 1346 SYS_ARCH_UNPROTECT(lev);
sam_grove 5:3f93dd1d4cb3 1347 }
sam_grove 5:3f93dd1d4cb3 1348
sam_grove 5:3f93dd1d4cb3 1349 /**
sam_grove 5:3f93dd1d4cb3 1350 * Unimplemented: Close one end of a full-duplex connection.
sam_grove 5:3f93dd1d4cb3 1351 * Currently, the full connection is closed.
sam_grove 5:3f93dd1d4cb3 1352 */
sam_grove 5:3f93dd1d4cb3 1353 int
sam_grove 5:3f93dd1d4cb3 1354 lwip_shutdown(int s, int how)
sam_grove 5:3f93dd1d4cb3 1355 {
sam_grove 5:3f93dd1d4cb3 1356 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 1357 err_t err;
sam_grove 5:3f93dd1d4cb3 1358 u8_t shut_rx = 0, shut_tx = 0;
sam_grove 5:3f93dd1d4cb3 1359
sam_grove 5:3f93dd1d4cb3 1360 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_shutdown(%d, how=%d)\n", s, how));
sam_grove 5:3f93dd1d4cb3 1361
sam_grove 5:3f93dd1d4cb3 1362 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 1363 if (!sock) {
sam_grove 5:3f93dd1d4cb3 1364 return -1;
sam_grove 5:3f93dd1d4cb3 1365 }
sam_grove 5:3f93dd1d4cb3 1366
sam_grove 5:3f93dd1d4cb3 1367 if (sock->conn != NULL) {
sam_grove 5:3f93dd1d4cb3 1368 if (netconn_type(sock->conn) != NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 1369 sock_set_errno(sock, EOPNOTSUPP);
sam_grove 5:3f93dd1d4cb3 1370 return EOPNOTSUPP;
sam_grove 5:3f93dd1d4cb3 1371 }
sam_grove 5:3f93dd1d4cb3 1372 } else {
sam_grove 5:3f93dd1d4cb3 1373 sock_set_errno(sock, ENOTCONN);
sam_grove 5:3f93dd1d4cb3 1374 return ENOTCONN;
sam_grove 5:3f93dd1d4cb3 1375 }
sam_grove 5:3f93dd1d4cb3 1376
sam_grove 5:3f93dd1d4cb3 1377 if (how == SHUT_RD) {
sam_grove 5:3f93dd1d4cb3 1378 shut_rx = 1;
sam_grove 5:3f93dd1d4cb3 1379 } else if (how == SHUT_WR) {
sam_grove 5:3f93dd1d4cb3 1380 shut_tx = 1;
sam_grove 5:3f93dd1d4cb3 1381 } else if(how == SHUT_RDWR) {
sam_grove 5:3f93dd1d4cb3 1382 shut_rx = 1;
sam_grove 5:3f93dd1d4cb3 1383 shut_tx = 1;
sam_grove 5:3f93dd1d4cb3 1384 } else {
sam_grove 5:3f93dd1d4cb3 1385 sock_set_errno(sock, EINVAL);
sam_grove 5:3f93dd1d4cb3 1386 return EINVAL;
sam_grove 5:3f93dd1d4cb3 1387 }
sam_grove 5:3f93dd1d4cb3 1388 err = netconn_shutdown(sock->conn, shut_rx, shut_tx);
sam_grove 5:3f93dd1d4cb3 1389
sam_grove 5:3f93dd1d4cb3 1390 sock_set_errno(sock, err_to_errno(err));
sam_grove 5:3f93dd1d4cb3 1391 return (err == ERR_OK ? 0 : -1);
sam_grove 5:3f93dd1d4cb3 1392 }
sam_grove 5:3f93dd1d4cb3 1393
sam_grove 5:3f93dd1d4cb3 1394 static int
sam_grove 5:3f93dd1d4cb3 1395 lwip_getaddrname(int s, struct sockaddr *name, socklen_t *namelen, u8_t local)
sam_grove 5:3f93dd1d4cb3 1396 {
sam_grove 5:3f93dd1d4cb3 1397 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 1398 struct sockaddr_in sin;
sam_grove 5:3f93dd1d4cb3 1399 ip_addr_t naddr;
sam_grove 5:3f93dd1d4cb3 1400
sam_grove 5:3f93dd1d4cb3 1401 sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 1402 if (!sock) {
sam_grove 5:3f93dd1d4cb3 1403 return -1;
sam_grove 5:3f93dd1d4cb3 1404 }
sam_grove 5:3f93dd1d4cb3 1405
sam_grove 5:3f93dd1d4cb3 1406 memset(&sin, 0, sizeof(sin));
sam_grove 5:3f93dd1d4cb3 1407 sin.sin_len = sizeof(sin);
sam_grove 5:3f93dd1d4cb3 1408 sin.sin_family = AF_INET;
sam_grove 5:3f93dd1d4cb3 1409
sam_grove 5:3f93dd1d4cb3 1410 /* get the IP address and port */
sam_grove 5:3f93dd1d4cb3 1411 netconn_getaddr(sock->conn, &naddr, &sin.sin_port, local);
sam_grove 5:3f93dd1d4cb3 1412
sam_grove 5:3f93dd1d4cb3 1413 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getaddrname(%d, addr=", s));
sam_grove 5:3f93dd1d4cb3 1414 ip_addr_debug_print(SOCKETS_DEBUG, &naddr);
sam_grove 5:3f93dd1d4cb3 1415 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", sin.sin_port));
sam_grove 5:3f93dd1d4cb3 1416
sam_grove 5:3f93dd1d4cb3 1417 sin.sin_port = htons(sin.sin_port);
sam_grove 5:3f93dd1d4cb3 1418 inet_addr_from_ipaddr(&sin.sin_addr, &naddr);
sam_grove 5:3f93dd1d4cb3 1419
sam_grove 5:3f93dd1d4cb3 1420 if (*namelen > sizeof(sin)) {
sam_grove 5:3f93dd1d4cb3 1421 *namelen = sizeof(sin);
sam_grove 5:3f93dd1d4cb3 1422 }
sam_grove 5:3f93dd1d4cb3 1423
sam_grove 5:3f93dd1d4cb3 1424 MEMCPY(name, &sin, *namelen);
sam_grove 5:3f93dd1d4cb3 1425 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 1426 return 0;
sam_grove 5:3f93dd1d4cb3 1427 }
sam_grove 5:3f93dd1d4cb3 1428
sam_grove 5:3f93dd1d4cb3 1429 int
sam_grove 5:3f93dd1d4cb3 1430 lwip_getpeername(int s, struct sockaddr *name, socklen_t *namelen)
sam_grove 5:3f93dd1d4cb3 1431 {
sam_grove 5:3f93dd1d4cb3 1432 return lwip_getaddrname(s, name, namelen, 0);
sam_grove 5:3f93dd1d4cb3 1433 }
sam_grove 5:3f93dd1d4cb3 1434
sam_grove 5:3f93dd1d4cb3 1435 int
sam_grove 5:3f93dd1d4cb3 1436 lwip_getsockname(int s, struct sockaddr *name, socklen_t *namelen)
sam_grove 5:3f93dd1d4cb3 1437 {
sam_grove 5:3f93dd1d4cb3 1438 return lwip_getaddrname(s, name, namelen, 1);
sam_grove 5:3f93dd1d4cb3 1439 }
sam_grove 5:3f93dd1d4cb3 1440
sam_grove 5:3f93dd1d4cb3 1441 int
sam_grove 5:3f93dd1d4cb3 1442 lwip_getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
sam_grove 5:3f93dd1d4cb3 1443 {
sam_grove 5:3f93dd1d4cb3 1444 err_t err = ERR_OK;
sam_grove 5:3f93dd1d4cb3 1445 struct lwip_sock *sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 1446 struct lwip_setgetsockopt_data data;
sam_grove 5:3f93dd1d4cb3 1447
sam_grove 5:3f93dd1d4cb3 1448 if (!sock) {
sam_grove 5:3f93dd1d4cb3 1449 return -1;
sam_grove 5:3f93dd1d4cb3 1450 }
sam_grove 5:3f93dd1d4cb3 1451
sam_grove 5:3f93dd1d4cb3 1452 if ((NULL == optval) || (NULL == optlen)) {
sam_grove 5:3f93dd1d4cb3 1453 sock_set_errno(sock, EFAULT);
sam_grove 5:3f93dd1d4cb3 1454 return -1;
sam_grove 5:3f93dd1d4cb3 1455 }
sam_grove 5:3f93dd1d4cb3 1456
sam_grove 5:3f93dd1d4cb3 1457 /* Do length and type checks for the various options first, to keep it readable. */
sam_grove 5:3f93dd1d4cb3 1458 switch (level) {
sam_grove 5:3f93dd1d4cb3 1459
sam_grove 5:3f93dd1d4cb3 1460 /* Level: SOL_SOCKET */
sam_grove 5:3f93dd1d4cb3 1461 case SOL_SOCKET:
sam_grove 5:3f93dd1d4cb3 1462 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1463
sam_grove 5:3f93dd1d4cb3 1464 case SO_ACCEPTCONN:
sam_grove 5:3f93dd1d4cb3 1465 case SO_BROADCAST:
sam_grove 5:3f93dd1d4cb3 1466 /* UNIMPL case SO_DEBUG: */
sam_grove 5:3f93dd1d4cb3 1467 /* UNIMPL case SO_DONTROUTE: */
sam_grove 5:3f93dd1d4cb3 1468 case SO_ERROR:
sam_grove 5:3f93dd1d4cb3 1469 case SO_KEEPALIVE:
sam_grove 5:3f93dd1d4cb3 1470 /* UNIMPL case SO_CONTIMEO: */
sam_grove 5:3f93dd1d4cb3 1471 /* UNIMPL case SO_SNDTIMEO: */
sam_grove 5:3f93dd1d4cb3 1472 #if LWIP_SO_RCVTIMEO
sam_grove 5:3f93dd1d4cb3 1473 case SO_RCVTIMEO:
sam_grove 5:3f93dd1d4cb3 1474 #endif /* LWIP_SO_RCVTIMEO */
sam_grove 5:3f93dd1d4cb3 1475 #if LWIP_SO_RCVBUF
sam_grove 5:3f93dd1d4cb3 1476 case SO_RCVBUF:
sam_grove 5:3f93dd1d4cb3 1477 #endif /* LWIP_SO_RCVBUF */
sam_grove 5:3f93dd1d4cb3 1478 /* UNIMPL case SO_OOBINLINE: */
sam_grove 5:3f93dd1d4cb3 1479 /* UNIMPL case SO_SNDBUF: */
sam_grove 5:3f93dd1d4cb3 1480 /* UNIMPL case SO_RCVLOWAT: */
sam_grove 5:3f93dd1d4cb3 1481 /* UNIMPL case SO_SNDLOWAT: */
sam_grove 5:3f93dd1d4cb3 1482 #if SO_REUSE
sam_grove 5:3f93dd1d4cb3 1483 case SO_REUSEADDR:
sam_grove 5:3f93dd1d4cb3 1484 case SO_REUSEPORT:
sam_grove 5:3f93dd1d4cb3 1485 #endif /* SO_REUSE */
sam_grove 5:3f93dd1d4cb3 1486 case SO_TYPE:
sam_grove 5:3f93dd1d4cb3 1487 /* UNIMPL case SO_USELOOPBACK: */
sam_grove 5:3f93dd1d4cb3 1488 if (*optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1489 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1490 }
sam_grove 5:3f93dd1d4cb3 1491 break;
sam_grove 5:3f93dd1d4cb3 1492
sam_grove 5:3f93dd1d4cb3 1493 case SO_NO_CHECK:
sam_grove 5:3f93dd1d4cb3 1494 if (*optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1495 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1496 }
sam_grove 5:3f93dd1d4cb3 1497 #if LWIP_UDP
sam_grove 5:3f93dd1d4cb3 1498 if ((sock->conn->type != NETCONN_UDP) ||
sam_grove 5:3f93dd1d4cb3 1499 ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) {
sam_grove 5:3f93dd1d4cb3 1500 /* this flag is only available for UDP, not for UDP lite */
sam_grove 5:3f93dd1d4cb3 1501 err = EAFNOSUPPORT;
sam_grove 5:3f93dd1d4cb3 1502 }
sam_grove 5:3f93dd1d4cb3 1503 #endif /* LWIP_UDP */
sam_grove 5:3f93dd1d4cb3 1504 break;
sam_grove 5:3f93dd1d4cb3 1505
sam_grove 5:3f93dd1d4cb3 1506 default:
sam_grove 5:3f93dd1d4cb3 1507 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 1508 s, optname));
sam_grove 5:3f93dd1d4cb3 1509 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 1510 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1511 break;
sam_grove 5:3f93dd1d4cb3 1512
sam_grove 5:3f93dd1d4cb3 1513 /* Level: IPPROTO_IP */
sam_grove 5:3f93dd1d4cb3 1514 case IPPROTO_IP:
sam_grove 5:3f93dd1d4cb3 1515 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1516 /* UNIMPL case IP_HDRINCL: */
sam_grove 5:3f93dd1d4cb3 1517 /* UNIMPL case IP_RCVDSTADDR: */
sam_grove 5:3f93dd1d4cb3 1518 /* UNIMPL case IP_RCVIF: */
sam_grove 5:3f93dd1d4cb3 1519 case IP_TTL:
sam_grove 5:3f93dd1d4cb3 1520 case IP_TOS:
sam_grove 5:3f93dd1d4cb3 1521 if (*optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1522 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1523 }
sam_grove 5:3f93dd1d4cb3 1524 break;
sam_grove 5:3f93dd1d4cb3 1525 #if LWIP_IGMP
sam_grove 5:3f93dd1d4cb3 1526 case IP_MULTICAST_TTL:
sam_grove 5:3f93dd1d4cb3 1527 if (*optlen < sizeof(u8_t)) {
sam_grove 5:3f93dd1d4cb3 1528 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1529 }
sam_grove 5:3f93dd1d4cb3 1530 break;
sam_grove 5:3f93dd1d4cb3 1531 case IP_MULTICAST_IF:
sam_grove 5:3f93dd1d4cb3 1532 if (*optlen < sizeof(struct in_addr)) {
sam_grove 5:3f93dd1d4cb3 1533 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1534 }
sam_grove 5:3f93dd1d4cb3 1535 break;
sam_grove 5:3f93dd1d4cb3 1536 case IP_MULTICAST_LOOP:
sam_grove 5:3f93dd1d4cb3 1537 if (*optlen < sizeof(u8_t)) {
sam_grove 5:3f93dd1d4cb3 1538 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1539 }
sam_grove 5:3f93dd1d4cb3 1540 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
sam_grove 5:3f93dd1d4cb3 1541 err = EAFNOSUPPORT;
sam_grove 5:3f93dd1d4cb3 1542 }
sam_grove 5:3f93dd1d4cb3 1543 break;
sam_grove 5:3f93dd1d4cb3 1544 #endif /* LWIP_IGMP */
sam_grove 5:3f93dd1d4cb3 1545
sam_grove 5:3f93dd1d4cb3 1546 default:
sam_grove 5:3f93dd1d4cb3 1547 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 1548 s, optname));
sam_grove 5:3f93dd1d4cb3 1549 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 1550 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1551 break;
sam_grove 5:3f93dd1d4cb3 1552
sam_grove 5:3f93dd1d4cb3 1553 #if LWIP_TCP
sam_grove 5:3f93dd1d4cb3 1554 /* Level: IPPROTO_TCP */
sam_grove 5:3f93dd1d4cb3 1555 case IPPROTO_TCP:
sam_grove 5:3f93dd1d4cb3 1556 if (*optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1557 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1558 break;
sam_grove 5:3f93dd1d4cb3 1559 }
sam_grove 5:3f93dd1d4cb3 1560
sam_grove 5:3f93dd1d4cb3 1561 /* If this is no TCP socket, ignore any options. */
sam_grove 5:3f93dd1d4cb3 1562 if (sock->conn->type != NETCONN_TCP)
sam_grove 5:3f93dd1d4cb3 1563 return 0;
sam_grove 5:3f93dd1d4cb3 1564
sam_grove 5:3f93dd1d4cb3 1565 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1566 case TCP_NODELAY:
sam_grove 5:3f93dd1d4cb3 1567 case TCP_KEEPALIVE:
sam_grove 5:3f93dd1d4cb3 1568 #if LWIP_TCP_KEEPALIVE
sam_grove 5:3f93dd1d4cb3 1569 case TCP_KEEPIDLE:
sam_grove 5:3f93dd1d4cb3 1570 case TCP_KEEPINTVL:
sam_grove 5:3f93dd1d4cb3 1571 case TCP_KEEPCNT:
sam_grove 5:3f93dd1d4cb3 1572 #endif /* LWIP_TCP_KEEPALIVE */
sam_grove 5:3f93dd1d4cb3 1573 break;
sam_grove 5:3f93dd1d4cb3 1574
sam_grove 5:3f93dd1d4cb3 1575 default:
sam_grove 5:3f93dd1d4cb3 1576 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 1577 s, optname));
sam_grove 5:3f93dd1d4cb3 1578 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 1579 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1580 break;
sam_grove 5:3f93dd1d4cb3 1581 #endif /* LWIP_TCP */
sam_grove 5:3f93dd1d4cb3 1582 #if LWIP_UDP && LWIP_UDPLITE
sam_grove 5:3f93dd1d4cb3 1583 /* Level: IPPROTO_UDPLITE */
sam_grove 5:3f93dd1d4cb3 1584 case IPPROTO_UDPLITE:
sam_grove 5:3f93dd1d4cb3 1585 if (*optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1586 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1587 break;
sam_grove 5:3f93dd1d4cb3 1588 }
sam_grove 5:3f93dd1d4cb3 1589
sam_grove 5:3f93dd1d4cb3 1590 /* If this is no UDP lite socket, ignore any options. */
sam_grove 5:3f93dd1d4cb3 1591 if (sock->conn->type != NETCONN_UDPLITE) {
sam_grove 5:3f93dd1d4cb3 1592 return 0;
sam_grove 5:3f93dd1d4cb3 1593 }
sam_grove 5:3f93dd1d4cb3 1594
sam_grove 5:3f93dd1d4cb3 1595 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1596 case UDPLITE_SEND_CSCOV:
sam_grove 5:3f93dd1d4cb3 1597 case UDPLITE_RECV_CSCOV:
sam_grove 5:3f93dd1d4cb3 1598 break;
sam_grove 5:3f93dd1d4cb3 1599
sam_grove 5:3f93dd1d4cb3 1600 default:
sam_grove 5:3f93dd1d4cb3 1601 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 1602 s, optname));
sam_grove 5:3f93dd1d4cb3 1603 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 1604 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1605 break;
sam_grove 5:3f93dd1d4cb3 1606 #endif /* LWIP_UDP && LWIP_UDPLITE*/
sam_grove 5:3f93dd1d4cb3 1607 /* UNDEFINED LEVEL */
sam_grove 5:3f93dd1d4cb3 1608 default:
sam_grove 5:3f93dd1d4cb3 1609 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 1610 s, level, optname));
sam_grove 5:3f93dd1d4cb3 1611 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 1612 } /* switch */
sam_grove 5:3f93dd1d4cb3 1613
sam_grove 5:3f93dd1d4cb3 1614
sam_grove 5:3f93dd1d4cb3 1615 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 1616 sock_set_errno(sock, err);
sam_grove 5:3f93dd1d4cb3 1617 return -1;
sam_grove 5:3f93dd1d4cb3 1618 }
sam_grove 5:3f93dd1d4cb3 1619
sam_grove 5:3f93dd1d4cb3 1620 /* Now do the actual option processing */
sam_grove 5:3f93dd1d4cb3 1621 data.sock = sock;
sam_grove 5:3f93dd1d4cb3 1622 #ifdef LWIP_DEBUG
sam_grove 5:3f93dd1d4cb3 1623 data.s = s;
sam_grove 5:3f93dd1d4cb3 1624 #endif /* LWIP_DEBUG */
sam_grove 5:3f93dd1d4cb3 1625 data.level = level;
sam_grove 5:3f93dd1d4cb3 1626 data.optname = optname;
sam_grove 5:3f93dd1d4cb3 1627 data.optval = optval;
sam_grove 5:3f93dd1d4cb3 1628 data.optlen = optlen;
sam_grove 5:3f93dd1d4cb3 1629 data.err = err;
sam_grove 5:3f93dd1d4cb3 1630 tcpip_callback(lwip_getsockopt_internal, &data);
sam_grove 5:3f93dd1d4cb3 1631 sys_arch_sem_wait(&sock->conn->op_completed, 0);
sam_grove 5:3f93dd1d4cb3 1632 /* maybe lwip_getsockopt_internal has changed err */
sam_grove 5:3f93dd1d4cb3 1633 err = data.err;
sam_grove 5:3f93dd1d4cb3 1634
sam_grove 5:3f93dd1d4cb3 1635 sock_set_errno(sock, err);
sam_grove 5:3f93dd1d4cb3 1636 return err ? -1 : 0;
sam_grove 5:3f93dd1d4cb3 1637 }
sam_grove 5:3f93dd1d4cb3 1638
sam_grove 5:3f93dd1d4cb3 1639 static void
sam_grove 5:3f93dd1d4cb3 1640 lwip_getsockopt_internal(void *arg)
sam_grove 5:3f93dd1d4cb3 1641 {
sam_grove 5:3f93dd1d4cb3 1642 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 1643 #ifdef LWIP_DEBUG
sam_grove 5:3f93dd1d4cb3 1644 int s;
sam_grove 5:3f93dd1d4cb3 1645 #endif /* LWIP_DEBUG */
sam_grove 5:3f93dd1d4cb3 1646 int level, optname;
sam_grove 5:3f93dd1d4cb3 1647 void *optval;
sam_grove 5:3f93dd1d4cb3 1648 struct lwip_setgetsockopt_data *data;
sam_grove 5:3f93dd1d4cb3 1649
sam_grove 5:3f93dd1d4cb3 1650 LWIP_ASSERT("arg != NULL", arg != NULL);
sam_grove 5:3f93dd1d4cb3 1651
sam_grove 5:3f93dd1d4cb3 1652 data = (struct lwip_setgetsockopt_data*)arg;
sam_grove 5:3f93dd1d4cb3 1653 sock = data->sock;
sam_grove 5:3f93dd1d4cb3 1654 #ifdef LWIP_DEBUG
sam_grove 5:3f93dd1d4cb3 1655 s = data->s;
sam_grove 5:3f93dd1d4cb3 1656 #endif /* LWIP_DEBUG */
sam_grove 5:3f93dd1d4cb3 1657 level = data->level;
sam_grove 5:3f93dd1d4cb3 1658 optname = data->optname;
sam_grove 5:3f93dd1d4cb3 1659 optval = data->optval;
sam_grove 5:3f93dd1d4cb3 1660
sam_grove 5:3f93dd1d4cb3 1661 switch (level) {
sam_grove 5:3f93dd1d4cb3 1662
sam_grove 5:3f93dd1d4cb3 1663 /* Level: SOL_SOCKET */
sam_grove 5:3f93dd1d4cb3 1664 case SOL_SOCKET:
sam_grove 5:3f93dd1d4cb3 1665 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1666
sam_grove 5:3f93dd1d4cb3 1667 /* The option flags */
sam_grove 5:3f93dd1d4cb3 1668 case SO_ACCEPTCONN:
sam_grove 5:3f93dd1d4cb3 1669 case SO_BROADCAST:
sam_grove 5:3f93dd1d4cb3 1670 /* UNIMPL case SO_DEBUG: */
sam_grove 5:3f93dd1d4cb3 1671 /* UNIMPL case SO_DONTROUTE: */
sam_grove 5:3f93dd1d4cb3 1672 case SO_KEEPALIVE:
sam_grove 5:3f93dd1d4cb3 1673 /* UNIMPL case SO_OOBINCLUDE: */
sam_grove 5:3f93dd1d4cb3 1674 #if SO_REUSE
sam_grove 5:3f93dd1d4cb3 1675 case SO_REUSEADDR:
sam_grove 5:3f93dd1d4cb3 1676 case SO_REUSEPORT:
sam_grove 5:3f93dd1d4cb3 1677 #endif /* SO_REUSE */
sam_grove 5:3f93dd1d4cb3 1678 /*case SO_USELOOPBACK: UNIMPL */
sam_grove 5:3f93dd1d4cb3 1679 *(int*)optval = sock->conn->pcb.ip->so_options & optname;
sam_grove 5:3f93dd1d4cb3 1680 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, optname=0x%x, ..) = %s\n",
sam_grove 5:3f93dd1d4cb3 1681 s, optname, (*(int*)optval?"on":"off")));
sam_grove 5:3f93dd1d4cb3 1682 break;
sam_grove 5:3f93dd1d4cb3 1683
sam_grove 5:3f93dd1d4cb3 1684 case SO_TYPE:
sam_grove 5:3f93dd1d4cb3 1685 switch (NETCONNTYPE_GROUP(sock->conn->type)) {
sam_grove 5:3f93dd1d4cb3 1686 case NETCONN_RAW:
sam_grove 5:3f93dd1d4cb3 1687 *(int*)optval = SOCK_RAW;
sam_grove 5:3f93dd1d4cb3 1688 break;
sam_grove 5:3f93dd1d4cb3 1689 case NETCONN_TCP:
sam_grove 5:3f93dd1d4cb3 1690 *(int*)optval = SOCK_STREAM;
sam_grove 5:3f93dd1d4cb3 1691 break;
sam_grove 5:3f93dd1d4cb3 1692 case NETCONN_UDP:
sam_grove 5:3f93dd1d4cb3 1693 *(int*)optval = SOCK_DGRAM;
sam_grove 5:3f93dd1d4cb3 1694 break;
sam_grove 5:3f93dd1d4cb3 1695 default: /* unrecognized socket type */
sam_grove 5:3f93dd1d4cb3 1696 *(int*)optval = sock->conn->type;
sam_grove 5:3f93dd1d4cb3 1697 LWIP_DEBUGF(SOCKETS_DEBUG,
sam_grove 5:3f93dd1d4cb3 1698 ("lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE): unrecognized socket type %d\n",
sam_grove 5:3f93dd1d4cb3 1699 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1700 } /* switch (sock->conn->type) */
sam_grove 5:3f93dd1d4cb3 1701 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE) = %d\n",
sam_grove 5:3f93dd1d4cb3 1702 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1703 break;
sam_grove 5:3f93dd1d4cb3 1704
sam_grove 5:3f93dd1d4cb3 1705 case SO_ERROR:
sam_grove 5:3f93dd1d4cb3 1706 /* only overwrite ERR_OK or tempoary errors */
sam_grove 5:3f93dd1d4cb3 1707 if ((sock->err == 0) || (sock->err == EINPROGRESS)) {
sam_grove 5:3f93dd1d4cb3 1708 sock_set_errno(sock, err_to_errno(sock->conn->last_err));
sam_grove 5:3f93dd1d4cb3 1709 }
sam_grove 5:3f93dd1d4cb3 1710 *(int *)optval = sock->err;
sam_grove 5:3f93dd1d4cb3 1711 sock->err = 0;
sam_grove 5:3f93dd1d4cb3 1712 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n",
sam_grove 5:3f93dd1d4cb3 1713 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1714 break;
sam_grove 5:3f93dd1d4cb3 1715
sam_grove 5:3f93dd1d4cb3 1716 #if LWIP_SO_RCVTIMEO
sam_grove 5:3f93dd1d4cb3 1717 case SO_RCVTIMEO:
sam_grove 5:3f93dd1d4cb3 1718 *(int *)optval = netconn_get_recvtimeout(sock->conn);
sam_grove 5:3f93dd1d4cb3 1719 break;
sam_grove 5:3f93dd1d4cb3 1720 #endif /* LWIP_SO_RCVTIMEO */
sam_grove 5:3f93dd1d4cb3 1721 #if LWIP_SO_RCVBUF
sam_grove 5:3f93dd1d4cb3 1722 case SO_RCVBUF:
sam_grove 5:3f93dd1d4cb3 1723 *(int *)optval = netconn_get_recvbufsize(sock->conn);
sam_grove 5:3f93dd1d4cb3 1724 break;
sam_grove 5:3f93dd1d4cb3 1725 #endif /* LWIP_SO_RCVBUF */
sam_grove 5:3f93dd1d4cb3 1726 #if LWIP_UDP
sam_grove 5:3f93dd1d4cb3 1727 case SO_NO_CHECK:
sam_grove 5:3f93dd1d4cb3 1728 *(int*)optval = (udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_NOCHKSUM) ? 1 : 0;
sam_grove 5:3f93dd1d4cb3 1729 break;
sam_grove 5:3f93dd1d4cb3 1730 #endif /* LWIP_UDP*/
sam_grove 5:3f93dd1d4cb3 1731 default:
sam_grove 5:3f93dd1d4cb3 1732 LWIP_ASSERT("unhandled optname", 0);
sam_grove 5:3f93dd1d4cb3 1733 break;
sam_grove 5:3f93dd1d4cb3 1734 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1735 break;
sam_grove 5:3f93dd1d4cb3 1736
sam_grove 5:3f93dd1d4cb3 1737 /* Level: IPPROTO_IP */
sam_grove 5:3f93dd1d4cb3 1738 case IPPROTO_IP:
sam_grove 5:3f93dd1d4cb3 1739 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1740 case IP_TTL:
sam_grove 5:3f93dd1d4cb3 1741 *(int*)optval = sock->conn->pcb.ip->ttl;
sam_grove 5:3f93dd1d4cb3 1742 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_TTL) = %d\n",
sam_grove 5:3f93dd1d4cb3 1743 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1744 break;
sam_grove 5:3f93dd1d4cb3 1745 case IP_TOS:
sam_grove 5:3f93dd1d4cb3 1746 *(int*)optval = sock->conn->pcb.ip->tos;
sam_grove 5:3f93dd1d4cb3 1747 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_TOS) = %d\n",
sam_grove 5:3f93dd1d4cb3 1748 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1749 break;
sam_grove 5:3f93dd1d4cb3 1750 #if LWIP_IGMP
sam_grove 5:3f93dd1d4cb3 1751 case IP_MULTICAST_TTL:
sam_grove 5:3f93dd1d4cb3 1752 *(u8_t*)optval = sock->conn->pcb.ip->ttl;
sam_grove 5:3f93dd1d4cb3 1753 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_TTL) = %d\n",
sam_grove 5:3f93dd1d4cb3 1754 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1755 break;
sam_grove 5:3f93dd1d4cb3 1756 case IP_MULTICAST_IF:
sam_grove 5:3f93dd1d4cb3 1757 inet_addr_from_ipaddr((struct in_addr*)optval, &sock->conn->pcb.udp->multicast_ip);
sam_grove 5:3f93dd1d4cb3 1758 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_IF) = 0x%"X32_F"\n",
sam_grove 5:3f93dd1d4cb3 1759 s, *(u32_t *)optval));
sam_grove 5:3f93dd1d4cb3 1760 break;
sam_grove 5:3f93dd1d4cb3 1761 case IP_MULTICAST_LOOP:
sam_grove 5:3f93dd1d4cb3 1762 if ((sock->conn->pcb.udp->flags & UDP_FLAGS_MULTICAST_LOOP) != 0) {
sam_grove 5:3f93dd1d4cb3 1763 *(u8_t*)optval = 1;
sam_grove 5:3f93dd1d4cb3 1764 } else {
sam_grove 5:3f93dd1d4cb3 1765 *(u8_t*)optval = 0;
sam_grove 5:3f93dd1d4cb3 1766 }
sam_grove 5:3f93dd1d4cb3 1767 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_LOOP) = %d\n",
sam_grove 5:3f93dd1d4cb3 1768 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1769 break;
sam_grove 5:3f93dd1d4cb3 1770 #endif /* LWIP_IGMP */
sam_grove 5:3f93dd1d4cb3 1771 default:
sam_grove 5:3f93dd1d4cb3 1772 LWIP_ASSERT("unhandled optname", 0);
sam_grove 5:3f93dd1d4cb3 1773 break;
sam_grove 5:3f93dd1d4cb3 1774 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1775 break;
sam_grove 5:3f93dd1d4cb3 1776
sam_grove 5:3f93dd1d4cb3 1777 #if LWIP_TCP
sam_grove 5:3f93dd1d4cb3 1778 /* Level: IPPROTO_TCP */
sam_grove 5:3f93dd1d4cb3 1779 case IPPROTO_TCP:
sam_grove 5:3f93dd1d4cb3 1780 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1781 case TCP_NODELAY:
sam_grove 5:3f93dd1d4cb3 1782 *(int*)optval = tcp_nagle_disabled(sock->conn->pcb.tcp);
sam_grove 5:3f93dd1d4cb3 1783 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, TCP_NODELAY) = %s\n",
sam_grove 5:3f93dd1d4cb3 1784 s, (*(int*)optval)?"on":"off") );
sam_grove 5:3f93dd1d4cb3 1785 break;
sam_grove 5:3f93dd1d4cb3 1786 case TCP_KEEPALIVE:
sam_grove 5:3f93dd1d4cb3 1787 *(int*)optval = (int)sock->conn->pcb.tcp->keep_idle;
sam_grove 5:3f93dd1d4cb3 1788 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPALIVE) = %d\n",
sam_grove 5:3f93dd1d4cb3 1789 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1790 break;
sam_grove 5:3f93dd1d4cb3 1791
sam_grove 5:3f93dd1d4cb3 1792 #if LWIP_TCP_KEEPALIVE
sam_grove 5:3f93dd1d4cb3 1793 case TCP_KEEPIDLE:
sam_grove 5:3f93dd1d4cb3 1794 *(int*)optval = (int)(sock->conn->pcb.tcp->keep_idle/1000);
sam_grove 5:3f93dd1d4cb3 1795 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPIDLE) = %d\n",
sam_grove 5:3f93dd1d4cb3 1796 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1797 break;
sam_grove 5:3f93dd1d4cb3 1798 case TCP_KEEPINTVL:
sam_grove 5:3f93dd1d4cb3 1799 *(int*)optval = (int)(sock->conn->pcb.tcp->keep_intvl/1000);
sam_grove 5:3f93dd1d4cb3 1800 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPINTVL) = %d\n",
sam_grove 5:3f93dd1d4cb3 1801 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1802 break;
sam_grove 5:3f93dd1d4cb3 1803 case TCP_KEEPCNT:
sam_grove 5:3f93dd1d4cb3 1804 *(int*)optval = (int)sock->conn->pcb.tcp->keep_cnt;
sam_grove 5:3f93dd1d4cb3 1805 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPCNT) = %d\n",
sam_grove 5:3f93dd1d4cb3 1806 s, *(int *)optval));
sam_grove 5:3f93dd1d4cb3 1807 break;
sam_grove 5:3f93dd1d4cb3 1808 #endif /* LWIP_TCP_KEEPALIVE */
sam_grove 5:3f93dd1d4cb3 1809 default:
sam_grove 5:3f93dd1d4cb3 1810 LWIP_ASSERT("unhandled optname", 0);
sam_grove 5:3f93dd1d4cb3 1811 break;
sam_grove 5:3f93dd1d4cb3 1812 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1813 break;
sam_grove 5:3f93dd1d4cb3 1814 #endif /* LWIP_TCP */
sam_grove 5:3f93dd1d4cb3 1815 #if LWIP_UDP && LWIP_UDPLITE
sam_grove 5:3f93dd1d4cb3 1816 /* Level: IPPROTO_UDPLITE */
sam_grove 5:3f93dd1d4cb3 1817 case IPPROTO_UDPLITE:
sam_grove 5:3f93dd1d4cb3 1818 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1819 case UDPLITE_SEND_CSCOV:
sam_grove 5:3f93dd1d4cb3 1820 *(int*)optval = sock->conn->pcb.udp->chksum_len_tx;
sam_grove 5:3f93dd1d4cb3 1821 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) = %d\n",
sam_grove 5:3f93dd1d4cb3 1822 s, (*(int*)optval)) );
sam_grove 5:3f93dd1d4cb3 1823 break;
sam_grove 5:3f93dd1d4cb3 1824 case UDPLITE_RECV_CSCOV:
sam_grove 5:3f93dd1d4cb3 1825 *(int*)optval = sock->conn->pcb.udp->chksum_len_rx;
sam_grove 5:3f93dd1d4cb3 1826 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) = %d\n",
sam_grove 5:3f93dd1d4cb3 1827 s, (*(int*)optval)) );
sam_grove 5:3f93dd1d4cb3 1828 break;
sam_grove 5:3f93dd1d4cb3 1829 default:
sam_grove 5:3f93dd1d4cb3 1830 LWIP_ASSERT("unhandled optname", 0);
sam_grove 5:3f93dd1d4cb3 1831 break;
sam_grove 5:3f93dd1d4cb3 1832 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1833 break;
sam_grove 5:3f93dd1d4cb3 1834 #endif /* LWIP_UDP */
sam_grove 5:3f93dd1d4cb3 1835 default:
sam_grove 5:3f93dd1d4cb3 1836 LWIP_ASSERT("unhandled level", 0);
sam_grove 5:3f93dd1d4cb3 1837 break;
sam_grove 5:3f93dd1d4cb3 1838 } /* switch (level) */
sam_grove 5:3f93dd1d4cb3 1839 sys_sem_signal(&sock->conn->op_completed);
sam_grove 5:3f93dd1d4cb3 1840 }
sam_grove 5:3f93dd1d4cb3 1841
sam_grove 5:3f93dd1d4cb3 1842 int
sam_grove 5:3f93dd1d4cb3 1843 lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen)
sam_grove 5:3f93dd1d4cb3 1844 {
sam_grove 5:3f93dd1d4cb3 1845 struct lwip_sock *sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 1846 err_t err = ERR_OK;
sam_grove 5:3f93dd1d4cb3 1847 struct lwip_setgetsockopt_data data;
sam_grove 5:3f93dd1d4cb3 1848
sam_grove 5:3f93dd1d4cb3 1849 if (!sock) {
sam_grove 5:3f93dd1d4cb3 1850 return -1;
sam_grove 5:3f93dd1d4cb3 1851 }
sam_grove 5:3f93dd1d4cb3 1852
sam_grove 5:3f93dd1d4cb3 1853 if (NULL == optval) {
sam_grove 5:3f93dd1d4cb3 1854 sock_set_errno(sock, EFAULT);
sam_grove 5:3f93dd1d4cb3 1855 return -1;
sam_grove 5:3f93dd1d4cb3 1856 }
sam_grove 5:3f93dd1d4cb3 1857
sam_grove 5:3f93dd1d4cb3 1858 /* Do length and type checks for the various options first, to keep it readable. */
sam_grove 5:3f93dd1d4cb3 1859 switch (level) {
sam_grove 5:3f93dd1d4cb3 1860
sam_grove 5:3f93dd1d4cb3 1861 /* Level: SOL_SOCKET */
sam_grove 5:3f93dd1d4cb3 1862 case SOL_SOCKET:
sam_grove 5:3f93dd1d4cb3 1863 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1864
sam_grove 5:3f93dd1d4cb3 1865 case SO_BROADCAST:
sam_grove 5:3f93dd1d4cb3 1866 /* UNIMPL case SO_DEBUG: */
sam_grove 5:3f93dd1d4cb3 1867 /* UNIMPL case SO_DONTROUTE: */
sam_grove 5:3f93dd1d4cb3 1868 case SO_KEEPALIVE:
sam_grove 5:3f93dd1d4cb3 1869 /* UNIMPL case case SO_CONTIMEO: */
sam_grove 5:3f93dd1d4cb3 1870 /* UNIMPL case case SO_SNDTIMEO: */
sam_grove 5:3f93dd1d4cb3 1871 #if LWIP_SO_RCVTIMEO
sam_grove 5:3f93dd1d4cb3 1872 case SO_RCVTIMEO:
sam_grove 5:3f93dd1d4cb3 1873 #endif /* LWIP_SO_RCVTIMEO */
sam_grove 5:3f93dd1d4cb3 1874 #if LWIP_SO_RCVBUF
sam_grove 5:3f93dd1d4cb3 1875 case SO_RCVBUF:
sam_grove 5:3f93dd1d4cb3 1876 #endif /* LWIP_SO_RCVBUF */
sam_grove 5:3f93dd1d4cb3 1877 /* UNIMPL case SO_OOBINLINE: */
sam_grove 5:3f93dd1d4cb3 1878 /* UNIMPL case SO_SNDBUF: */
sam_grove 5:3f93dd1d4cb3 1879 /* UNIMPL case SO_RCVLOWAT: */
sam_grove 5:3f93dd1d4cb3 1880 /* UNIMPL case SO_SNDLOWAT: */
sam_grove 5:3f93dd1d4cb3 1881 #if SO_REUSE
sam_grove 5:3f93dd1d4cb3 1882 case SO_REUSEADDR:
sam_grove 5:3f93dd1d4cb3 1883 case SO_REUSEPORT:
sam_grove 5:3f93dd1d4cb3 1884 #endif /* SO_REUSE */
sam_grove 5:3f93dd1d4cb3 1885 /* UNIMPL case SO_USELOOPBACK: */
sam_grove 5:3f93dd1d4cb3 1886 if (optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1887 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1888 }
sam_grove 5:3f93dd1d4cb3 1889 break;
sam_grove 5:3f93dd1d4cb3 1890 case SO_NO_CHECK:
sam_grove 5:3f93dd1d4cb3 1891 if (optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1892 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1893 }
sam_grove 5:3f93dd1d4cb3 1894 #if LWIP_UDP
sam_grove 5:3f93dd1d4cb3 1895 if ((sock->conn->type != NETCONN_UDP) ||
sam_grove 5:3f93dd1d4cb3 1896 ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) {
sam_grove 5:3f93dd1d4cb3 1897 /* this flag is only available for UDP, not for UDP lite */
sam_grove 5:3f93dd1d4cb3 1898 err = EAFNOSUPPORT;
sam_grove 5:3f93dd1d4cb3 1899 }
sam_grove 5:3f93dd1d4cb3 1900 #endif /* LWIP_UDP */
sam_grove 5:3f93dd1d4cb3 1901 break;
sam_grove 5:3f93dd1d4cb3 1902 default:
sam_grove 5:3f93dd1d4cb3 1903 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 1904 s, optname));
sam_grove 5:3f93dd1d4cb3 1905 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 1906 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1907 break;
sam_grove 5:3f93dd1d4cb3 1908
sam_grove 5:3f93dd1d4cb3 1909 /* Level: IPPROTO_IP */
sam_grove 5:3f93dd1d4cb3 1910 case IPPROTO_IP:
sam_grove 5:3f93dd1d4cb3 1911 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1912 /* UNIMPL case IP_HDRINCL: */
sam_grove 5:3f93dd1d4cb3 1913 /* UNIMPL case IP_RCVDSTADDR: */
sam_grove 5:3f93dd1d4cb3 1914 /* UNIMPL case IP_RCVIF: */
sam_grove 5:3f93dd1d4cb3 1915 case IP_TTL:
sam_grove 5:3f93dd1d4cb3 1916 case IP_TOS:
sam_grove 5:3f93dd1d4cb3 1917 if (optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1918 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1919 }
sam_grove 5:3f93dd1d4cb3 1920 break;
sam_grove 5:3f93dd1d4cb3 1921 #if LWIP_IGMP
sam_grove 5:3f93dd1d4cb3 1922 case IP_MULTICAST_TTL:
sam_grove 5:3f93dd1d4cb3 1923 if (optlen < sizeof(u8_t)) {
sam_grove 5:3f93dd1d4cb3 1924 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1925 }
sam_grove 5:3f93dd1d4cb3 1926 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
sam_grove 5:3f93dd1d4cb3 1927 err = EAFNOSUPPORT;
sam_grove 5:3f93dd1d4cb3 1928 }
sam_grove 5:3f93dd1d4cb3 1929 break;
sam_grove 5:3f93dd1d4cb3 1930 case IP_MULTICAST_IF:
sam_grove 5:3f93dd1d4cb3 1931 if (optlen < sizeof(struct in_addr)) {
sam_grove 5:3f93dd1d4cb3 1932 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1933 }
sam_grove 5:3f93dd1d4cb3 1934 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
sam_grove 5:3f93dd1d4cb3 1935 err = EAFNOSUPPORT;
sam_grove 5:3f93dd1d4cb3 1936 }
sam_grove 5:3f93dd1d4cb3 1937 break;
sam_grove 5:3f93dd1d4cb3 1938 case IP_MULTICAST_LOOP:
sam_grove 5:3f93dd1d4cb3 1939 if (optlen < sizeof(u8_t)) {
sam_grove 5:3f93dd1d4cb3 1940 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1941 }
sam_grove 5:3f93dd1d4cb3 1942 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
sam_grove 5:3f93dd1d4cb3 1943 err = EAFNOSUPPORT;
sam_grove 5:3f93dd1d4cb3 1944 }
sam_grove 5:3f93dd1d4cb3 1945 break;
sam_grove 5:3f93dd1d4cb3 1946 case IP_ADD_MEMBERSHIP:
sam_grove 5:3f93dd1d4cb3 1947 case IP_DROP_MEMBERSHIP:
sam_grove 5:3f93dd1d4cb3 1948 if (optlen < sizeof(struct ip_mreq)) {
sam_grove 5:3f93dd1d4cb3 1949 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1950 }
sam_grove 5:3f93dd1d4cb3 1951 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
sam_grove 5:3f93dd1d4cb3 1952 err = EAFNOSUPPORT;
sam_grove 5:3f93dd1d4cb3 1953 }
sam_grove 5:3f93dd1d4cb3 1954 break;
sam_grove 5:3f93dd1d4cb3 1955 #endif /* LWIP_IGMP */
sam_grove 5:3f93dd1d4cb3 1956 default:
sam_grove 5:3f93dd1d4cb3 1957 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 1958 s, optname));
sam_grove 5:3f93dd1d4cb3 1959 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 1960 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1961 break;
sam_grove 5:3f93dd1d4cb3 1962
sam_grove 5:3f93dd1d4cb3 1963 #if LWIP_TCP
sam_grove 5:3f93dd1d4cb3 1964 /* Level: IPPROTO_TCP */
sam_grove 5:3f93dd1d4cb3 1965 case IPPROTO_TCP:
sam_grove 5:3f93dd1d4cb3 1966 if (optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1967 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1968 break;
sam_grove 5:3f93dd1d4cb3 1969 }
sam_grove 5:3f93dd1d4cb3 1970
sam_grove 5:3f93dd1d4cb3 1971 /* If this is no TCP socket, ignore any options. */
sam_grove 5:3f93dd1d4cb3 1972 if (sock->conn->type != NETCONN_TCP)
sam_grove 5:3f93dd1d4cb3 1973 return 0;
sam_grove 5:3f93dd1d4cb3 1974
sam_grove 5:3f93dd1d4cb3 1975 switch (optname) {
sam_grove 5:3f93dd1d4cb3 1976 case TCP_NODELAY:
sam_grove 5:3f93dd1d4cb3 1977 case TCP_KEEPALIVE:
sam_grove 5:3f93dd1d4cb3 1978 #if LWIP_TCP_KEEPALIVE
sam_grove 5:3f93dd1d4cb3 1979 case TCP_KEEPIDLE:
sam_grove 5:3f93dd1d4cb3 1980 case TCP_KEEPINTVL:
sam_grove 5:3f93dd1d4cb3 1981 case TCP_KEEPCNT:
sam_grove 5:3f93dd1d4cb3 1982 #endif /* LWIP_TCP_KEEPALIVE */
sam_grove 5:3f93dd1d4cb3 1983 break;
sam_grove 5:3f93dd1d4cb3 1984
sam_grove 5:3f93dd1d4cb3 1985 default:
sam_grove 5:3f93dd1d4cb3 1986 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 1987 s, optname));
sam_grove 5:3f93dd1d4cb3 1988 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 1989 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 1990 break;
sam_grove 5:3f93dd1d4cb3 1991 #endif /* LWIP_TCP */
sam_grove 5:3f93dd1d4cb3 1992 #if LWIP_UDP && LWIP_UDPLITE
sam_grove 5:3f93dd1d4cb3 1993 /* Level: IPPROTO_UDPLITE */
sam_grove 5:3f93dd1d4cb3 1994 case IPPROTO_UDPLITE:
sam_grove 5:3f93dd1d4cb3 1995 if (optlen < sizeof(int)) {
sam_grove 5:3f93dd1d4cb3 1996 err = EINVAL;
sam_grove 5:3f93dd1d4cb3 1997 break;
sam_grove 5:3f93dd1d4cb3 1998 }
sam_grove 5:3f93dd1d4cb3 1999
sam_grove 5:3f93dd1d4cb3 2000 /* If this is no UDP lite socket, ignore any options. */
sam_grove 5:3f93dd1d4cb3 2001 if (sock->conn->type != NETCONN_UDPLITE)
sam_grove 5:3f93dd1d4cb3 2002 return 0;
sam_grove 5:3f93dd1d4cb3 2003
sam_grove 5:3f93dd1d4cb3 2004 switch (optname) {
sam_grove 5:3f93dd1d4cb3 2005 case UDPLITE_SEND_CSCOV:
sam_grove 5:3f93dd1d4cb3 2006 case UDPLITE_RECV_CSCOV:
sam_grove 5:3f93dd1d4cb3 2007 break;
sam_grove 5:3f93dd1d4cb3 2008
sam_grove 5:3f93dd1d4cb3 2009 default:
sam_grove 5:3f93dd1d4cb3 2010 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 2011 s, optname));
sam_grove 5:3f93dd1d4cb3 2012 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 2013 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 2014 break;
sam_grove 5:3f93dd1d4cb3 2015 #endif /* LWIP_UDP && LWIP_UDPLITE */
sam_grove 5:3f93dd1d4cb3 2016 /* UNDEFINED LEVEL */
sam_grove 5:3f93dd1d4cb3 2017 default:
sam_grove 5:3f93dd1d4cb3 2018 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n",
sam_grove 5:3f93dd1d4cb3 2019 s, level, optname));
sam_grove 5:3f93dd1d4cb3 2020 err = ENOPROTOOPT;
sam_grove 5:3f93dd1d4cb3 2021 } /* switch (level) */
sam_grove 5:3f93dd1d4cb3 2022
sam_grove 5:3f93dd1d4cb3 2023
sam_grove 5:3f93dd1d4cb3 2024 if (err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 2025 sock_set_errno(sock, err);
sam_grove 5:3f93dd1d4cb3 2026 return -1;
sam_grove 5:3f93dd1d4cb3 2027 }
sam_grove 5:3f93dd1d4cb3 2028
sam_grove 5:3f93dd1d4cb3 2029
sam_grove 5:3f93dd1d4cb3 2030 /* Now do the actual option processing */
sam_grove 5:3f93dd1d4cb3 2031 data.sock = sock;
sam_grove 5:3f93dd1d4cb3 2032 #ifdef LWIP_DEBUG
sam_grove 5:3f93dd1d4cb3 2033 data.s = s;
sam_grove 5:3f93dd1d4cb3 2034 #endif /* LWIP_DEBUG */
sam_grove 5:3f93dd1d4cb3 2035 data.level = level;
sam_grove 5:3f93dd1d4cb3 2036 data.optname = optname;
sam_grove 5:3f93dd1d4cb3 2037 data.optval = (void*)optval;
sam_grove 5:3f93dd1d4cb3 2038 data.optlen = &optlen;
sam_grove 5:3f93dd1d4cb3 2039 data.err = err;
sam_grove 5:3f93dd1d4cb3 2040 tcpip_callback(lwip_setsockopt_internal, &data);
sam_grove 5:3f93dd1d4cb3 2041 sys_arch_sem_wait(&sock->conn->op_completed, 0);
sam_grove 5:3f93dd1d4cb3 2042 /* maybe lwip_setsockopt_internal has changed err */
sam_grove 5:3f93dd1d4cb3 2043 err = data.err;
sam_grove 5:3f93dd1d4cb3 2044
sam_grove 5:3f93dd1d4cb3 2045 sock_set_errno(sock, err);
sam_grove 5:3f93dd1d4cb3 2046 return err ? -1 : 0;
sam_grove 5:3f93dd1d4cb3 2047 }
sam_grove 5:3f93dd1d4cb3 2048
sam_grove 5:3f93dd1d4cb3 2049 static void
sam_grove 5:3f93dd1d4cb3 2050 lwip_setsockopt_internal(void *arg)
sam_grove 5:3f93dd1d4cb3 2051 {
sam_grove 5:3f93dd1d4cb3 2052 struct lwip_sock *sock;
sam_grove 5:3f93dd1d4cb3 2053 #ifdef LWIP_DEBUG
sam_grove 5:3f93dd1d4cb3 2054 int s;
sam_grove 5:3f93dd1d4cb3 2055 #endif /* LWIP_DEBUG */
sam_grove 5:3f93dd1d4cb3 2056 int level, optname;
sam_grove 5:3f93dd1d4cb3 2057 const void *optval;
sam_grove 5:3f93dd1d4cb3 2058 struct lwip_setgetsockopt_data *data;
sam_grove 5:3f93dd1d4cb3 2059
sam_grove 5:3f93dd1d4cb3 2060 LWIP_ASSERT("arg != NULL", arg != NULL);
sam_grove 5:3f93dd1d4cb3 2061
sam_grove 5:3f93dd1d4cb3 2062 data = (struct lwip_setgetsockopt_data*)arg;
sam_grove 5:3f93dd1d4cb3 2063 sock = data->sock;
sam_grove 5:3f93dd1d4cb3 2064 #ifdef LWIP_DEBUG
sam_grove 5:3f93dd1d4cb3 2065 s = data->s;
sam_grove 5:3f93dd1d4cb3 2066 #endif /* LWIP_DEBUG */
sam_grove 5:3f93dd1d4cb3 2067 level = data->level;
sam_grove 5:3f93dd1d4cb3 2068 optname = data->optname;
sam_grove 5:3f93dd1d4cb3 2069 optval = data->optval;
sam_grove 5:3f93dd1d4cb3 2070
sam_grove 5:3f93dd1d4cb3 2071 switch (level) {
sam_grove 5:3f93dd1d4cb3 2072
sam_grove 5:3f93dd1d4cb3 2073 /* Level: SOL_SOCKET */
sam_grove 5:3f93dd1d4cb3 2074 case SOL_SOCKET:
sam_grove 5:3f93dd1d4cb3 2075 switch (optname) {
sam_grove 5:3f93dd1d4cb3 2076
sam_grove 5:3f93dd1d4cb3 2077 /* The option flags */
sam_grove 5:3f93dd1d4cb3 2078 case SO_BROADCAST:
sam_grove 5:3f93dd1d4cb3 2079 /* UNIMPL case SO_DEBUG: */
sam_grove 5:3f93dd1d4cb3 2080 /* UNIMPL case SO_DONTROUTE: */
sam_grove 5:3f93dd1d4cb3 2081 case SO_KEEPALIVE:
sam_grove 5:3f93dd1d4cb3 2082 /* UNIMPL case SO_OOBINCLUDE: */
sam_grove 5:3f93dd1d4cb3 2083 #if SO_REUSE
sam_grove 5:3f93dd1d4cb3 2084 case SO_REUSEADDR:
sam_grove 5:3f93dd1d4cb3 2085 case SO_REUSEPORT:
sam_grove 5:3f93dd1d4cb3 2086 #endif /* SO_REUSE */
sam_grove 5:3f93dd1d4cb3 2087 /* UNIMPL case SO_USELOOPBACK: */
sam_grove 5:3f93dd1d4cb3 2088 if (*(int*)optval) {
sam_grove 5:3f93dd1d4cb3 2089 sock->conn->pcb.ip->so_options |= optname;
sam_grove 5:3f93dd1d4cb3 2090 } else {
sam_grove 5:3f93dd1d4cb3 2091 sock->conn->pcb.ip->so_options &= ~optname;
sam_grove 5:3f93dd1d4cb3 2092 }
sam_grove 5:3f93dd1d4cb3 2093 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, optname=0x%x, ..) -> %s\n",
sam_grove 5:3f93dd1d4cb3 2094 s, optname, (*(int*)optval?"on":"off")));
sam_grove 5:3f93dd1d4cb3 2095 break;
sam_grove 5:3f93dd1d4cb3 2096 #if LWIP_SO_RCVTIMEO
sam_grove 5:3f93dd1d4cb3 2097 case SO_RCVTIMEO:
sam_grove 5:3f93dd1d4cb3 2098 netconn_set_recvtimeout(sock->conn, *(int*)optval);
sam_grove 5:3f93dd1d4cb3 2099 break;
sam_grove 5:3f93dd1d4cb3 2100 #endif /* LWIP_SO_RCVTIMEO */
sam_grove 5:3f93dd1d4cb3 2101 #if LWIP_SO_RCVBUF
sam_grove 5:3f93dd1d4cb3 2102 case SO_RCVBUF:
sam_grove 5:3f93dd1d4cb3 2103 netconn_set_recvbufsize(sock->conn, *(int*)optval);
sam_grove 5:3f93dd1d4cb3 2104 break;
sam_grove 5:3f93dd1d4cb3 2105 #endif /* LWIP_SO_RCVBUF */
sam_grove 5:3f93dd1d4cb3 2106 #if LWIP_UDP
sam_grove 5:3f93dd1d4cb3 2107 case SO_NO_CHECK:
sam_grove 5:3f93dd1d4cb3 2108 if (*(int*)optval) {
sam_grove 5:3f93dd1d4cb3 2109 udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_NOCHKSUM);
sam_grove 5:3f93dd1d4cb3 2110 } else {
sam_grove 5:3f93dd1d4cb3 2111 udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_NOCHKSUM);
sam_grove 5:3f93dd1d4cb3 2112 }
sam_grove 5:3f93dd1d4cb3 2113 break;
sam_grove 5:3f93dd1d4cb3 2114 #endif /* LWIP_UDP */
sam_grove 5:3f93dd1d4cb3 2115 default:
sam_grove 5:3f93dd1d4cb3 2116 LWIP_ASSERT("unhandled optname", 0);
sam_grove 5:3f93dd1d4cb3 2117 break;
sam_grove 5:3f93dd1d4cb3 2118 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 2119 break;
sam_grove 5:3f93dd1d4cb3 2120
sam_grove 5:3f93dd1d4cb3 2121 /* Level: IPPROTO_IP */
sam_grove 5:3f93dd1d4cb3 2122 case IPPROTO_IP:
sam_grove 5:3f93dd1d4cb3 2123 switch (optname) {
sam_grove 5:3f93dd1d4cb3 2124 case IP_TTL:
sam_grove 5:3f93dd1d4cb3 2125 sock->conn->pcb.ip->ttl = (u8_t)(*(int*)optval);
sam_grove 5:3f93dd1d4cb3 2126 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TTL, ..) -> %d\n",
sam_grove 5:3f93dd1d4cb3 2127 s, sock->conn->pcb.ip->ttl));
sam_grove 5:3f93dd1d4cb3 2128 break;
sam_grove 5:3f93dd1d4cb3 2129 case IP_TOS:
sam_grove 5:3f93dd1d4cb3 2130 sock->conn->pcb.ip->tos = (u8_t)(*(int*)optval);
sam_grove 5:3f93dd1d4cb3 2131 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TOS, ..)-> %d\n",
sam_grove 5:3f93dd1d4cb3 2132 s, sock->conn->pcb.ip->tos));
sam_grove 5:3f93dd1d4cb3 2133 break;
sam_grove 5:3f93dd1d4cb3 2134 #if LWIP_IGMP
sam_grove 5:3f93dd1d4cb3 2135 case IP_MULTICAST_TTL:
sam_grove 5:3f93dd1d4cb3 2136 sock->conn->pcb.udp->ttl = (u8_t)(*(u8_t*)optval);
sam_grove 5:3f93dd1d4cb3 2137 break;
sam_grove 5:3f93dd1d4cb3 2138 case IP_MULTICAST_IF:
sam_grove 5:3f93dd1d4cb3 2139 inet_addr_to_ipaddr(&sock->conn->pcb.udp->multicast_ip, (struct in_addr*)optval);
sam_grove 5:3f93dd1d4cb3 2140 break;
sam_grove 5:3f93dd1d4cb3 2141 case IP_MULTICAST_LOOP:
sam_grove 5:3f93dd1d4cb3 2142 if (*(u8_t*)optval) {
sam_grove 5:3f93dd1d4cb3 2143 udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_MULTICAST_LOOP);
sam_grove 5:3f93dd1d4cb3 2144 } else {
sam_grove 5:3f93dd1d4cb3 2145 udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_MULTICAST_LOOP);
sam_grove 5:3f93dd1d4cb3 2146 }
sam_grove 5:3f93dd1d4cb3 2147 break;
sam_grove 5:3f93dd1d4cb3 2148 case IP_ADD_MEMBERSHIP:
sam_grove 5:3f93dd1d4cb3 2149 case IP_DROP_MEMBERSHIP:
sam_grove 5:3f93dd1d4cb3 2150 {
sam_grove 5:3f93dd1d4cb3 2151 /* If this is a TCP or a RAW socket, ignore these options. */
sam_grove 5:3f93dd1d4cb3 2152 struct ip_mreq *imr = (struct ip_mreq *)optval;
sam_grove 5:3f93dd1d4cb3 2153 ip_addr_t if_addr;
sam_grove 5:3f93dd1d4cb3 2154 ip_addr_t multi_addr;
sam_grove 5:3f93dd1d4cb3 2155 inet_addr_to_ipaddr(&if_addr, &imr->imr_interface);
sam_grove 5:3f93dd1d4cb3 2156 inet_addr_to_ipaddr(&multi_addr, &imr->imr_multiaddr);
sam_grove 5:3f93dd1d4cb3 2157 if(optname == IP_ADD_MEMBERSHIP){
sam_grove 5:3f93dd1d4cb3 2158 data->err = igmp_joingroup(&if_addr, &multi_addr);
sam_grove 5:3f93dd1d4cb3 2159 } else {
sam_grove 5:3f93dd1d4cb3 2160 data->err = igmp_leavegroup(&if_addr, &multi_addr);
sam_grove 5:3f93dd1d4cb3 2161 }
sam_grove 5:3f93dd1d4cb3 2162 if(data->err != ERR_OK) {
sam_grove 5:3f93dd1d4cb3 2163 data->err = EADDRNOTAVAIL;
sam_grove 5:3f93dd1d4cb3 2164 }
sam_grove 5:3f93dd1d4cb3 2165 }
sam_grove 5:3f93dd1d4cb3 2166 break;
sam_grove 5:3f93dd1d4cb3 2167 #endif /* LWIP_IGMP */
sam_grove 5:3f93dd1d4cb3 2168 default:
sam_grove 5:3f93dd1d4cb3 2169 LWIP_ASSERT("unhandled optname", 0);
sam_grove 5:3f93dd1d4cb3 2170 break;
sam_grove 5:3f93dd1d4cb3 2171 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 2172 break;
sam_grove 5:3f93dd1d4cb3 2173
sam_grove 5:3f93dd1d4cb3 2174 #if LWIP_TCP
sam_grove 5:3f93dd1d4cb3 2175 /* Level: IPPROTO_TCP */
sam_grove 5:3f93dd1d4cb3 2176 case IPPROTO_TCP:
sam_grove 5:3f93dd1d4cb3 2177 switch (optname) {
sam_grove 5:3f93dd1d4cb3 2178 case TCP_NODELAY:
sam_grove 5:3f93dd1d4cb3 2179 if (*(int*)optval) {
sam_grove 5:3f93dd1d4cb3 2180 tcp_nagle_disable(sock->conn->pcb.tcp);
sam_grove 5:3f93dd1d4cb3 2181 } else {
sam_grove 5:3f93dd1d4cb3 2182 tcp_nagle_enable(sock->conn->pcb.tcp);
sam_grove 5:3f93dd1d4cb3 2183 }
sam_grove 5:3f93dd1d4cb3 2184 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_NODELAY) -> %s\n",
sam_grove 5:3f93dd1d4cb3 2185 s, (*(int *)optval)?"on":"off") );
sam_grove 5:3f93dd1d4cb3 2186 break;
sam_grove 5:3f93dd1d4cb3 2187 case TCP_KEEPALIVE:
sam_grove 5:3f93dd1d4cb3 2188 sock->conn->pcb.tcp->keep_idle = (u32_t)(*(int*)optval);
sam_grove 5:3f93dd1d4cb3 2189 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPALIVE) -> %"U32_F"\n",
sam_grove 5:3f93dd1d4cb3 2190 s, sock->conn->pcb.tcp->keep_idle));
sam_grove 5:3f93dd1d4cb3 2191 break;
sam_grove 5:3f93dd1d4cb3 2192
sam_grove 5:3f93dd1d4cb3 2193 #if LWIP_TCP_KEEPALIVE
sam_grove 5:3f93dd1d4cb3 2194 case TCP_KEEPIDLE:
sam_grove 5:3f93dd1d4cb3 2195 sock->conn->pcb.tcp->keep_idle = 1000*(u32_t)(*(int*)optval);
sam_grove 5:3f93dd1d4cb3 2196 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPIDLE) -> %"U32_F"\n",
sam_grove 5:3f93dd1d4cb3 2197 s, sock->conn->pcb.tcp->keep_idle));
sam_grove 5:3f93dd1d4cb3 2198 break;
sam_grove 5:3f93dd1d4cb3 2199 case TCP_KEEPINTVL:
sam_grove 5:3f93dd1d4cb3 2200 sock->conn->pcb.tcp->keep_intvl = 1000*(u32_t)(*(int*)optval);
sam_grove 5:3f93dd1d4cb3 2201 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPINTVL) -> %"U32_F"\n",
sam_grove 5:3f93dd1d4cb3 2202 s, sock->conn->pcb.tcp->keep_intvl));
sam_grove 5:3f93dd1d4cb3 2203 break;
sam_grove 5:3f93dd1d4cb3 2204 case TCP_KEEPCNT:
sam_grove 5:3f93dd1d4cb3 2205 sock->conn->pcb.tcp->keep_cnt = (u32_t)(*(int*)optval);
sam_grove 5:3f93dd1d4cb3 2206 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPCNT) -> %"U32_F"\n",
sam_grove 5:3f93dd1d4cb3 2207 s, sock->conn->pcb.tcp->keep_cnt));
sam_grove 5:3f93dd1d4cb3 2208 break;
sam_grove 5:3f93dd1d4cb3 2209 #endif /* LWIP_TCP_KEEPALIVE */
sam_grove 5:3f93dd1d4cb3 2210 default:
sam_grove 5:3f93dd1d4cb3 2211 LWIP_ASSERT("unhandled optname", 0);
sam_grove 5:3f93dd1d4cb3 2212 break;
sam_grove 5:3f93dd1d4cb3 2213 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 2214 break;
sam_grove 5:3f93dd1d4cb3 2215 #endif /* LWIP_TCP*/
sam_grove 5:3f93dd1d4cb3 2216 #if LWIP_UDP && LWIP_UDPLITE
sam_grove 5:3f93dd1d4cb3 2217 /* Level: IPPROTO_UDPLITE */
sam_grove 5:3f93dd1d4cb3 2218 case IPPROTO_UDPLITE:
sam_grove 5:3f93dd1d4cb3 2219 switch (optname) {
sam_grove 5:3f93dd1d4cb3 2220 case UDPLITE_SEND_CSCOV:
sam_grove 5:3f93dd1d4cb3 2221 if ((*(int*)optval != 0) && ((*(int*)optval < 8)) || (*(int*)optval > 0xffff)) {
sam_grove 5:3f93dd1d4cb3 2222 /* don't allow illegal values! */
sam_grove 5:3f93dd1d4cb3 2223 sock->conn->pcb.udp->chksum_len_tx = 8;
sam_grove 5:3f93dd1d4cb3 2224 } else {
sam_grove 5:3f93dd1d4cb3 2225 sock->conn->pcb.udp->chksum_len_tx = (u16_t)*(int*)optval;
sam_grove 5:3f93dd1d4cb3 2226 }
sam_grove 5:3f93dd1d4cb3 2227 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) -> %d\n",
sam_grove 5:3f93dd1d4cb3 2228 s, (*(int*)optval)) );
sam_grove 5:3f93dd1d4cb3 2229 break;
sam_grove 5:3f93dd1d4cb3 2230 case UDPLITE_RECV_CSCOV:
sam_grove 5:3f93dd1d4cb3 2231 if ((*(int*)optval != 0) && ((*(int*)optval < 8)) || (*(int*)optval > 0xffff)) {
sam_grove 5:3f93dd1d4cb3 2232 /* don't allow illegal values! */
sam_grove 5:3f93dd1d4cb3 2233 sock->conn->pcb.udp->chksum_len_rx = 8;
sam_grove 5:3f93dd1d4cb3 2234 } else {
sam_grove 5:3f93dd1d4cb3 2235 sock->conn->pcb.udp->chksum_len_rx = (u16_t)*(int*)optval;
sam_grove 5:3f93dd1d4cb3 2236 }
sam_grove 5:3f93dd1d4cb3 2237 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) -> %d\n",
sam_grove 5:3f93dd1d4cb3 2238 s, (*(int*)optval)) );
sam_grove 5:3f93dd1d4cb3 2239 break;
sam_grove 5:3f93dd1d4cb3 2240 default:
sam_grove 5:3f93dd1d4cb3 2241 LWIP_ASSERT("unhandled optname", 0);
sam_grove 5:3f93dd1d4cb3 2242 break;
sam_grove 5:3f93dd1d4cb3 2243 } /* switch (optname) */
sam_grove 5:3f93dd1d4cb3 2244 break;
sam_grove 5:3f93dd1d4cb3 2245 #endif /* LWIP_UDP */
sam_grove 5:3f93dd1d4cb3 2246 default:
sam_grove 5:3f93dd1d4cb3 2247 LWIP_ASSERT("unhandled level", 0);
sam_grove 5:3f93dd1d4cb3 2248 break;
sam_grove 5:3f93dd1d4cb3 2249 } /* switch (level) */
sam_grove 5:3f93dd1d4cb3 2250 sys_sem_signal(&sock->conn->op_completed);
sam_grove 5:3f93dd1d4cb3 2251 }
sam_grove 5:3f93dd1d4cb3 2252
sam_grove 5:3f93dd1d4cb3 2253 int
sam_grove 5:3f93dd1d4cb3 2254 lwip_ioctl(int s, long cmd, void *argp)
sam_grove 5:3f93dd1d4cb3 2255 {
sam_grove 5:3f93dd1d4cb3 2256 struct lwip_sock *sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 2257 u8_t val;
sam_grove 5:3f93dd1d4cb3 2258 #if LWIP_SO_RCVBUF
sam_grove 5:3f93dd1d4cb3 2259 u16_t buflen = 0;
sam_grove 5:3f93dd1d4cb3 2260 s16_t recv_avail;
sam_grove 5:3f93dd1d4cb3 2261 #endif /* LWIP_SO_RCVBUF */
sam_grove 5:3f93dd1d4cb3 2262
sam_grove 5:3f93dd1d4cb3 2263 if (!sock) {
sam_grove 5:3f93dd1d4cb3 2264 return -1;
sam_grove 5:3f93dd1d4cb3 2265 }
sam_grove 5:3f93dd1d4cb3 2266
sam_grove 5:3f93dd1d4cb3 2267 switch (cmd) {
sam_grove 5:3f93dd1d4cb3 2268 #if LWIP_SO_RCVBUF
sam_grove 5:3f93dd1d4cb3 2269 case FIONREAD:
sam_grove 5:3f93dd1d4cb3 2270 if (!argp) {
sam_grove 5:3f93dd1d4cb3 2271 sock_set_errno(sock, EINVAL);
sam_grove 5:3f93dd1d4cb3 2272 return -1;
sam_grove 5:3f93dd1d4cb3 2273 }
sam_grove 5:3f93dd1d4cb3 2274
sam_grove 5:3f93dd1d4cb3 2275 SYS_ARCH_GET(sock->conn->recv_avail, recv_avail);
sam_grove 5:3f93dd1d4cb3 2276 if (recv_avail < 0) {
sam_grove 5:3f93dd1d4cb3 2277 recv_avail = 0;
sam_grove 5:3f93dd1d4cb3 2278 }
sam_grove 5:3f93dd1d4cb3 2279 *((u16_t*)argp) = (u16_t)recv_avail;
sam_grove 5:3f93dd1d4cb3 2280
sam_grove 5:3f93dd1d4cb3 2281 /* Check if there is data left from the last recv operation. /maq 041215 */
sam_grove 5:3f93dd1d4cb3 2282 if (sock->lastdata) {
sam_grove 5:3f93dd1d4cb3 2283 struct pbuf *p = (struct pbuf *)sock->lastdata;
sam_grove 5:3f93dd1d4cb3 2284 if (netconn_type(sock->conn) != NETCONN_TCP) {
sam_grove 5:3f93dd1d4cb3 2285 p = ((struct netbuf *)p)->p;
sam_grove 5:3f93dd1d4cb3 2286 }
sam_grove 5:3f93dd1d4cb3 2287 buflen = p->tot_len;
sam_grove 5:3f93dd1d4cb3 2288 buflen -= sock->lastoffset;
sam_grove 5:3f93dd1d4cb3 2289
sam_grove 5:3f93dd1d4cb3 2290 *((u16_t*)argp) += buflen;
sam_grove 5:3f93dd1d4cb3 2291 }
sam_grove 5:3f93dd1d4cb3 2292
sam_grove 5:3f93dd1d4cb3 2293 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONREAD, %p) = %"U16_F"\n", s, argp, *((u16_t*)argp)));
sam_grove 5:3f93dd1d4cb3 2294 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 2295 return 0;
sam_grove 5:3f93dd1d4cb3 2296 #endif /* LWIP_SO_RCVBUF */
sam_grove 5:3f93dd1d4cb3 2297
sam_grove 5:3f93dd1d4cb3 2298 case FIONBIO:
sam_grove 5:3f93dd1d4cb3 2299 val = 0;
sam_grove 5:3f93dd1d4cb3 2300 if (argp && *(u32_t*)argp) {
sam_grove 5:3f93dd1d4cb3 2301 val = 1;
sam_grove 5:3f93dd1d4cb3 2302 }
sam_grove 5:3f93dd1d4cb3 2303 netconn_set_nonblocking(sock->conn, val);
sam_grove 5:3f93dd1d4cb3 2304 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONBIO, %d)\n", s, val));
sam_grove 5:3f93dd1d4cb3 2305 sock_set_errno(sock, 0);
sam_grove 5:3f93dd1d4cb3 2306 return 0;
sam_grove 5:3f93dd1d4cb3 2307
sam_grove 5:3f93dd1d4cb3 2308 default:
sam_grove 5:3f93dd1d4cb3 2309 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, UNIMPL: 0x%lx, %p)\n", s, cmd, argp));
sam_grove 5:3f93dd1d4cb3 2310 sock_set_errno(sock, ENOSYS); /* not yet implemented */
sam_grove 5:3f93dd1d4cb3 2311 return -1;
sam_grove 5:3f93dd1d4cb3 2312 } /* switch (cmd) */
sam_grove 5:3f93dd1d4cb3 2313 }
sam_grove 5:3f93dd1d4cb3 2314
sam_grove 5:3f93dd1d4cb3 2315 /** A minimal implementation of fcntl.
sam_grove 5:3f93dd1d4cb3 2316 * Currently only the commands F_GETFL and F_SETFL are implemented.
sam_grove 5:3f93dd1d4cb3 2317 * Only the flag O_NONBLOCK is implemented.
sam_grove 5:3f93dd1d4cb3 2318 */
sam_grove 5:3f93dd1d4cb3 2319 int
sam_grove 5:3f93dd1d4cb3 2320 lwip_fcntl(int s, int cmd, int val)
sam_grove 5:3f93dd1d4cb3 2321 {
sam_grove 5:3f93dd1d4cb3 2322 struct lwip_sock *sock = get_socket(s);
sam_grove 5:3f93dd1d4cb3 2323 int ret = -1;
sam_grove 5:3f93dd1d4cb3 2324
sam_grove 5:3f93dd1d4cb3 2325 if (!sock || !sock->conn) {
sam_grove 5:3f93dd1d4cb3 2326 return -1;
sam_grove 5:3f93dd1d4cb3 2327 }
sam_grove 5:3f93dd1d4cb3 2328
sam_grove 5:3f93dd1d4cb3 2329 switch (cmd) {
sam_grove 5:3f93dd1d4cb3 2330 case F_GETFL:
sam_grove 5:3f93dd1d4cb3 2331 ret = netconn_is_nonblocking(sock->conn) ? O_NONBLOCK : 0;
sam_grove 5:3f93dd1d4cb3 2332 break;
sam_grove 5:3f93dd1d4cb3 2333 case F_SETFL:
sam_grove 5:3f93dd1d4cb3 2334 if ((val & ~O_NONBLOCK) == 0) {
sam_grove 5:3f93dd1d4cb3 2335 /* only O_NONBLOCK, all other bits are zero */
sam_grove 5:3f93dd1d4cb3 2336 netconn_set_nonblocking(sock->conn, val & O_NONBLOCK);
sam_grove 5:3f93dd1d4cb3 2337 ret = 0;
sam_grove 5:3f93dd1d4cb3 2338 }
sam_grove 5:3f93dd1d4cb3 2339 break;
sam_grove 5:3f93dd1d4cb3 2340 default:
sam_grove 5:3f93dd1d4cb3 2341 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_fcntl(%d, UNIMPL: %d, %d)\n", s, cmd, val));
sam_grove 5:3f93dd1d4cb3 2342 break;
sam_grove 5:3f93dd1d4cb3 2343 }
sam_grove 5:3f93dd1d4cb3 2344 return ret;
sam_grove 5:3f93dd1d4cb3 2345 }
sam_grove 5:3f93dd1d4cb3 2346
sam_grove 5:3f93dd1d4cb3 2347 #endif /* LWIP_SOCKET */