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Dependencies:   PWM_Tone_Library DHT

EthernetInterface/lwip/api/sockets.c@5:569a4894abc1, 2019-03-08 (annotated)

Committer:
aziz111
Date:
Fri Mar 08 17:15:02 2019 +0000
Revision:
5:569a4894abc1
Parent:
3:78f223d34f36 
Final

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ethaderu 3:78f223d34f36 1 /**
ethaderu 3:78f223d34f36 2 * @file
ethaderu 3:78f223d34f36 3 * Sockets BSD-Like API module
ethaderu 3:78f223d34f36 4 *
ethaderu 3:78f223d34f36 5 */
ethaderu 3:78f223d34f36 6
ethaderu 3:78f223d34f36 7 /*
ethaderu 3:78f223d34f36 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
ethaderu 3:78f223d34f36 9 * All rights reserved.
ethaderu 3:78f223d34f36 10 *
ethaderu 3:78f223d34f36 11 * Redistribution and use in source and binary forms, with or without modification,
ethaderu 3:78f223d34f36 12 * are permitted provided that the following conditions are met:
ethaderu 3:78f223d34f36 13 *
ethaderu 3:78f223d34f36 14 * 1. Redistributions of source code must retain the above copyright notice,
ethaderu 3:78f223d34f36 15 * this list of conditions and the following disclaimer.
ethaderu 3:78f223d34f36 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
ethaderu 3:78f223d34f36 17 * this list of conditions and the following disclaimer in the documentation
ethaderu 3:78f223d34f36 18 * and/or other materials provided with the distribution.
ethaderu 3:78f223d34f36 19 * 3. The name of the author may not be used to endorse or promote products
ethaderu 3:78f223d34f36 20 * derived from this software without specific prior written permission.
ethaderu 3:78f223d34f36 21 *
ethaderu 3:78f223d34f36 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
ethaderu 3:78f223d34f36 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
ethaderu 3:78f223d34f36 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
ethaderu 3:78f223d34f36 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
ethaderu 3:78f223d34f36 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
ethaderu 3:78f223d34f36 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
ethaderu 3:78f223d34f36 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
ethaderu 3:78f223d34f36 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
ethaderu 3:78f223d34f36 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
ethaderu 3:78f223d34f36 31 * OF SUCH DAMAGE.
ethaderu 3:78f223d34f36 32 *
ethaderu 3:78f223d34f36 33 * This file is part of the lwIP TCP/IP stack.
ethaderu 3:78f223d34f36 34 *
ethaderu 3:78f223d34f36 35 * Author: Adam Dunkels <adam@sics.se>
ethaderu 3:78f223d34f36 36 *
ethaderu 3:78f223d34f36 37 * Improved by Marc Boucher <marc@mbsi.ca> and David Haas <dhaas@alum.rpi.edu>
ethaderu 3:78f223d34f36 38 *
ethaderu 3:78f223d34f36 39 */
ethaderu 3:78f223d34f36 40
ethaderu 3:78f223d34f36 41 #include "lwip/opt.h"
ethaderu 3:78f223d34f36 42
ethaderu 3:78f223d34f36 43 #if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
ethaderu 3:78f223d34f36 44
ethaderu 3:78f223d34f36 45 #include "lwip/sockets.h"
ethaderu 3:78f223d34f36 46 #include "lwip/api.h"
ethaderu 3:78f223d34f36 47 #include "lwip/sys.h"
ethaderu 3:78f223d34f36 48 #include "lwip/igmp.h"
ethaderu 3:78f223d34f36 49 #include "lwip/inet.h"
ethaderu 3:78f223d34f36 50 #include "lwip/tcp.h"
ethaderu 3:78f223d34f36 51 #include "lwip/raw.h"
ethaderu 3:78f223d34f36 52 #include "lwip/udp.h"
ethaderu 3:78f223d34f36 53 #include "lwip/tcpip.h"
ethaderu 3:78f223d34f36 54 #include "lwip/pbuf.h"
ethaderu 3:78f223d34f36 55 #if LWIP_CHECKSUM_ON_COPY
ethaderu 3:78f223d34f36 56 #include "lwip/inet_chksum.h"
ethaderu 3:78f223d34f36 57 #endif
ethaderu 3:78f223d34f36 58
ethaderu 3:78f223d34f36 59 #include <string.h>
ethaderu 3:78f223d34f36 60
ethaderu 3:78f223d34f36 61 #define NUM_SOCKETS MEMP_NUM_NETCONN
ethaderu 3:78f223d34f36 62
ethaderu 3:78f223d34f36 63 /** Contains all internal pointers and states used for a socket */
ethaderu 3:78f223d34f36 64 struct lwip_sock {
ethaderu 3:78f223d34f36 65 /** sockets currently are built on netconns, each socket has one netconn */
ethaderu 3:78f223d34f36 66 struct netconn *conn;
ethaderu 3:78f223d34f36 67 /** data that was left from the previous read */
ethaderu 3:78f223d34f36 68 void *lastdata;
ethaderu 3:78f223d34f36 69 /** offset in the data that was left from the previous read */
ethaderu 3:78f223d34f36 70 u16_t lastoffset;
ethaderu 3:78f223d34f36 71 /** number of times data was received, set by event_callback(),
ethaderu 3:78f223d34f36 72 tested by the receive and select functions */
ethaderu 3:78f223d34f36 73 s16_t rcvevent;
ethaderu 3:78f223d34f36 74 /** number of times data was ACKed (free send buffer), set by event_callback(),
ethaderu 3:78f223d34f36 75 tested by select */
ethaderu 3:78f223d34f36 76 u16_t sendevent;
ethaderu 3:78f223d34f36 77 /** error happened for this socket, set by event_callback(), tested by select */
ethaderu 3:78f223d34f36 78 u16_t errevent;
ethaderu 3:78f223d34f36 79 /** last error that occurred on this socket */
ethaderu 3:78f223d34f36 80 int err;
ethaderu 3:78f223d34f36 81 /** counter of how many threads are waiting for this socket using select */
ethaderu 3:78f223d34f36 82 int select_waiting;
ethaderu 3:78f223d34f36 83 };
ethaderu 3:78f223d34f36 84
ethaderu 3:78f223d34f36 85 /** Description for a task waiting in select */
ethaderu 3:78f223d34f36 86 struct lwip_select_cb {
ethaderu 3:78f223d34f36 87 /** Pointer to the next waiting task */
ethaderu 3:78f223d34f36 88 struct lwip_select_cb *next;
ethaderu 3:78f223d34f36 89 /** Pointer to the previous waiting task */
ethaderu 3:78f223d34f36 90 struct lwip_select_cb *prev;
ethaderu 3:78f223d34f36 91 /** readset passed to select */
ethaderu 3:78f223d34f36 92 fd_set *readset;
ethaderu 3:78f223d34f36 93 /** writeset passed to select */
ethaderu 3:78f223d34f36 94 fd_set *writeset;
ethaderu 3:78f223d34f36 95 /** unimplemented: exceptset passed to select */
ethaderu 3:78f223d34f36 96 fd_set *exceptset;
ethaderu 3:78f223d34f36 97 /** don't signal the same semaphore twice: set to 1 when signalled */
ethaderu 3:78f223d34f36 98 int sem_signalled;
ethaderu 3:78f223d34f36 99 /** semaphore to wake up a task waiting for select */
ethaderu 3:78f223d34f36 100 sys_sem_t sem;
ethaderu 3:78f223d34f36 101 };
ethaderu 3:78f223d34f36 102
ethaderu 3:78f223d34f36 103 /** This struct is used to pass data to the set/getsockopt_internal
ethaderu 3:78f223d34f36 104 * functions running in tcpip_thread context (only a void* is allowed) */
ethaderu 3:78f223d34f36 105 struct lwip_setgetsockopt_data {
ethaderu 3:78f223d34f36 106 /** socket struct for which to change options */
ethaderu 3:78f223d34f36 107 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 108 #ifdef LWIP_DEBUG
ethaderu 3:78f223d34f36 109 /** socket index for which to change options */
ethaderu 3:78f223d34f36 110 int s;
ethaderu 3:78f223d34f36 111 #endif /* LWIP_DEBUG */
ethaderu 3:78f223d34f36 112 /** level of the option to process */
ethaderu 3:78f223d34f36 113 int level;
ethaderu 3:78f223d34f36 114 /** name of the option to process */
ethaderu 3:78f223d34f36 115 int optname;
ethaderu 3:78f223d34f36 116 /** set: value to set the option to
ethaderu 3:78f223d34f36 117 * get: value of the option is stored here */
ethaderu 3:78f223d34f36 118 void *optval;
ethaderu 3:78f223d34f36 119 /** size of *optval */
ethaderu 3:78f223d34f36 120 socklen_t *optlen;
ethaderu 3:78f223d34f36 121 /** if an error occures, it is temporarily stored here */
ethaderu 3:78f223d34f36 122 err_t err;
ethaderu 3:78f223d34f36 123 };
ethaderu 3:78f223d34f36 124
ethaderu 3:78f223d34f36 125 /** The global array of available sockets */
ethaderu 3:78f223d34f36 126 static struct lwip_sock sockets[NUM_SOCKETS];
ethaderu 3:78f223d34f36 127 /** The global list of tasks waiting for select */
ethaderu 3:78f223d34f36 128 static struct lwip_select_cb *select_cb_list;
ethaderu 3:78f223d34f36 129 /** This counter is increased from lwip_select when the list is chagned
ethaderu 3:78f223d34f36 130 and checked in event_callback to see if it has changed. */
ethaderu 3:78f223d34f36 131 static volatile int select_cb_ctr;
ethaderu 3:78f223d34f36 132
ethaderu 3:78f223d34f36 133 /** Table to quickly map an lwIP error (err_t) to a socket error
ethaderu 3:78f223d34f36 134 * by using -err as an index */
ethaderu 3:78f223d34f36 135 static const int err_to_errno_table[] = {
ethaderu 3:78f223d34f36 136 0, /* ERR_OK 0 No error, everything OK. */
ethaderu 3:78f223d34f36 137 ENOMEM, /* ERR_MEM -1 Out of memory error. */
ethaderu 3:78f223d34f36 138 ENOBUFS, /* ERR_BUF -2 Buffer error. */
ethaderu 3:78f223d34f36 139 EWOULDBLOCK, /* ERR_TIMEOUT -3 Timeout */
ethaderu 3:78f223d34f36 140 EHOSTUNREACH, /* ERR_RTE -4 Routing problem. */
ethaderu 3:78f223d34f36 141 EINPROGRESS, /* ERR_INPROGRESS -5 Operation in progress */
ethaderu 3:78f223d34f36 142 EINVAL, /* ERR_VAL -6 Illegal value. */
ethaderu 3:78f223d34f36 143 EWOULDBLOCK, /* ERR_WOULDBLOCK -7 Operation would block. */
ethaderu 3:78f223d34f36 144 EADDRINUSE, /* ERR_USE -8 Address in use. */
ethaderu 3:78f223d34f36 145 EALREADY, /* ERR_ISCONN -9 Already connected. */
ethaderu 3:78f223d34f36 146 ECONNABORTED, /* ERR_ABRT -10 Connection aborted. */
ethaderu 3:78f223d34f36 147 ECONNRESET, /* ERR_RST -11 Connection reset. */
ethaderu 3:78f223d34f36 148 ENOTCONN, /* ERR_CLSD -12 Connection closed. */
ethaderu 3:78f223d34f36 149 ENOTCONN, /* ERR_CONN -13 Not connected. */
ethaderu 3:78f223d34f36 150 EIO, /* ERR_ARG -14 Illegal argument. */
ethaderu 3:78f223d34f36 151 -1, /* ERR_IF -15 Low-level netif error */
ethaderu 3:78f223d34f36 152 };
ethaderu 3:78f223d34f36 153
ethaderu 3:78f223d34f36 154 #define ERR_TO_ERRNO_TABLE_SIZE \
ethaderu 3:78f223d34f36 155 (sizeof(err_to_errno_table)/sizeof(err_to_errno_table[0]))
ethaderu 3:78f223d34f36 156
ethaderu 3:78f223d34f36 157 #define err_to_errno(err) \
ethaderu 3:78f223d34f36 158 ((unsigned)(-(err)) < ERR_TO_ERRNO_TABLE_SIZE ? \
ethaderu 3:78f223d34f36 159 err_to_errno_table[-(err)] : EIO)
ethaderu 3:78f223d34f36 160
ethaderu 3:78f223d34f36 161 #ifdef ERRNO
ethaderu 3:78f223d34f36 162 #ifndef set_errno
ethaderu 3:78f223d34f36 163 #define set_errno(err) errno = (err)
ethaderu 3:78f223d34f36 164 #endif
ethaderu 3:78f223d34f36 165 #else /* ERRNO */
ethaderu 3:78f223d34f36 166 #define set_errno(err)
ethaderu 3:78f223d34f36 167 #endif /* ERRNO */
ethaderu 3:78f223d34f36 168
ethaderu 3:78f223d34f36 169 #define sock_set_errno(sk, e) do { \
ethaderu 3:78f223d34f36 170 sk->err = (e); \
ethaderu 3:78f223d34f36 171 set_errno(sk->err); \
ethaderu 3:78f223d34f36 172 } while (0)
ethaderu 3:78f223d34f36 173
ethaderu 3:78f223d34f36 174 /* Forward delcaration of some functions */
ethaderu 3:78f223d34f36 175 static void event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len);
ethaderu 3:78f223d34f36 176 static void lwip_getsockopt_internal(void *arg);
ethaderu 3:78f223d34f36 177 static void lwip_setsockopt_internal(void *arg);
ethaderu 3:78f223d34f36 178
ethaderu 3:78f223d34f36 179 /**
ethaderu 3:78f223d34f36 180 * Initialize this module. This function has to be called before any other
ethaderu 3:78f223d34f36 181 * functions in this module!
ethaderu 3:78f223d34f36 182 */
ethaderu 3:78f223d34f36 183 void
ethaderu 3:78f223d34f36 184 lwip_socket_init(void)
ethaderu 3:78f223d34f36 185 {
ethaderu 3:78f223d34f36 186 }
ethaderu 3:78f223d34f36 187
ethaderu 3:78f223d34f36 188 /**
ethaderu 3:78f223d34f36 189 * Map a externally used socket index to the internal socket representation.
ethaderu 3:78f223d34f36 190 *
ethaderu 3:78f223d34f36 191 * @param s externally used socket index
ethaderu 3:78f223d34f36 192 * @return struct lwip_sock for the socket or NULL if not found
ethaderu 3:78f223d34f36 193 */
ethaderu 3:78f223d34f36 194 static struct lwip_sock *
ethaderu 3:78f223d34f36 195 get_socket(int s)
ethaderu 3:78f223d34f36 196 {
ethaderu 3:78f223d34f36 197 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 198
ethaderu 3:78f223d34f36 199 if ((s < 0) || (s >= NUM_SOCKETS)) {
ethaderu 3:78f223d34f36 200 LWIP_DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): invalid\n", s));
ethaderu 3:78f223d34f36 201 set_errno(EBADF);
ethaderu 3:78f223d34f36 202 return NULL;
ethaderu 3:78f223d34f36 203 }
ethaderu 3:78f223d34f36 204
ethaderu 3:78f223d34f36 205 sock = &sockets[s];
ethaderu 3:78f223d34f36 206
ethaderu 3:78f223d34f36 207 if (!sock->conn) {
ethaderu 3:78f223d34f36 208 LWIP_DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): not active\n", s));
ethaderu 3:78f223d34f36 209 set_errno(EBADF);
ethaderu 3:78f223d34f36 210 return NULL;
ethaderu 3:78f223d34f36 211 }
ethaderu 3:78f223d34f36 212
ethaderu 3:78f223d34f36 213 return sock;
ethaderu 3:78f223d34f36 214 }
ethaderu 3:78f223d34f36 215
ethaderu 3:78f223d34f36 216 /**
ethaderu 3:78f223d34f36 217 * Same as get_socket but doesn't set errno
ethaderu 3:78f223d34f36 218 *
ethaderu 3:78f223d34f36 219 * @param s externally used socket index
ethaderu 3:78f223d34f36 220 * @return struct lwip_sock for the socket or NULL if not found
ethaderu 3:78f223d34f36 221 */
ethaderu 3:78f223d34f36 222 static struct lwip_sock *
ethaderu 3:78f223d34f36 223 tryget_socket(int s)
ethaderu 3:78f223d34f36 224 {
ethaderu 3:78f223d34f36 225 if ((s < 0) || (s >= NUM_SOCKETS)) {
ethaderu 3:78f223d34f36 226 return NULL;
ethaderu 3:78f223d34f36 227 }
ethaderu 3:78f223d34f36 228 if (!sockets[s].conn) {
ethaderu 3:78f223d34f36 229 return NULL;
ethaderu 3:78f223d34f36 230 }
ethaderu 3:78f223d34f36 231 return &sockets[s];
ethaderu 3:78f223d34f36 232 }
ethaderu 3:78f223d34f36 233
ethaderu 3:78f223d34f36 234 /**
ethaderu 3:78f223d34f36 235 * Allocate a new socket for a given netconn.
ethaderu 3:78f223d34f36 236 *
ethaderu 3:78f223d34f36 237 * @param newconn the netconn for which to allocate a socket
ethaderu 3:78f223d34f36 238 * @param accepted 1 if socket has been created by accept(),
ethaderu 3:78f223d34f36 239 * 0 if socket has been created by socket()
ethaderu 3:78f223d34f36 240 * @return the index of the new socket; -1 on error
ethaderu 3:78f223d34f36 241 */
ethaderu 3:78f223d34f36 242 static int
ethaderu 3:78f223d34f36 243 alloc_socket(struct netconn *newconn, int accepted)
ethaderu 3:78f223d34f36 244 {
ethaderu 3:78f223d34f36 245 int i;
ethaderu 3:78f223d34f36 246 SYS_ARCH_DECL_PROTECT(lev);
ethaderu 3:78f223d34f36 247
ethaderu 3:78f223d34f36 248 /* allocate a new socket identifier */
ethaderu 3:78f223d34f36 249 for (i = 0; i < NUM_SOCKETS; ++i) {
ethaderu 3:78f223d34f36 250 /* Protect socket array */
ethaderu 3:78f223d34f36 251 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 252 if (!sockets[i].conn) {
ethaderu 3:78f223d34f36 253 sockets[i].conn = newconn;
ethaderu 3:78f223d34f36 254 /* The socket is not yet known to anyone, so no need to protect
ethaderu 3:78f223d34f36 255 after having marked it as used. */
ethaderu 3:78f223d34f36 256 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 257 sockets[i].lastdata = NULL;
ethaderu 3:78f223d34f36 258 sockets[i].lastoffset = 0;
ethaderu 3:78f223d34f36 259 sockets[i].rcvevent = 0;
ethaderu 3:78f223d34f36 260 /* TCP sendbuf is empty, but the socket is not yet writable until connected
ethaderu 3:78f223d34f36 261 * (unless it has been created by accept()). */
ethaderu 3:78f223d34f36 262 sockets[i].sendevent = (newconn->type == NETCONN_TCP ? (accepted != 0) : 1);
ethaderu 3:78f223d34f36 263 sockets[i].errevent = 0;
ethaderu 3:78f223d34f36 264 sockets[i].err = 0;
ethaderu 3:78f223d34f36 265 sockets[i].select_waiting = 0;
ethaderu 3:78f223d34f36 266 return i;
ethaderu 3:78f223d34f36 267 }
ethaderu 3:78f223d34f36 268 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 269 }
ethaderu 3:78f223d34f36 270 return -1;
ethaderu 3:78f223d34f36 271 }
ethaderu 3:78f223d34f36 272
ethaderu 3:78f223d34f36 273 /** Free a socket. The socket's netconn must have been
ethaderu 3:78f223d34f36 274 * delete before!
ethaderu 3:78f223d34f36 275 *
ethaderu 3:78f223d34f36 276 * @param sock the socket to free
ethaderu 3:78f223d34f36 277 * @param is_tcp != 0 for TCP sockets, used to free lastdata
ethaderu 3:78f223d34f36 278 */
ethaderu 3:78f223d34f36 279 static void
ethaderu 3:78f223d34f36 280 free_socket(struct lwip_sock *sock, int is_tcp)
ethaderu 3:78f223d34f36 281 {
ethaderu 3:78f223d34f36 282 void *lastdata;
ethaderu 3:78f223d34f36 283 SYS_ARCH_DECL_PROTECT(lev);
ethaderu 3:78f223d34f36 284
ethaderu 3:78f223d34f36 285 lastdata = sock->lastdata;
ethaderu 3:78f223d34f36 286 sock->lastdata = NULL;
ethaderu 3:78f223d34f36 287 sock->lastoffset = 0;
ethaderu 3:78f223d34f36 288 sock->err = 0;
ethaderu 3:78f223d34f36 289
ethaderu 3:78f223d34f36 290 /* Protect socket array */
ethaderu 3:78f223d34f36 291 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 292 sock->conn = NULL;
ethaderu 3:78f223d34f36 293 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 294 /* don't use 'sock' after this line, as another task might have allocated it */
ethaderu 3:78f223d34f36 295
ethaderu 3:78f223d34f36 296 if (lastdata != NULL) {
ethaderu 3:78f223d34f36 297 if (is_tcp) {
ethaderu 3:78f223d34f36 298 pbuf_free((struct pbuf *)lastdata);
ethaderu 3:78f223d34f36 299 } else {
ethaderu 3:78f223d34f36 300 netbuf_delete((struct netbuf *)lastdata);
ethaderu 3:78f223d34f36 301 }
ethaderu 3:78f223d34f36 302 }
ethaderu 3:78f223d34f36 303 }
ethaderu 3:78f223d34f36 304
ethaderu 3:78f223d34f36 305 /* Below this, the well-known socket functions are implemented.
ethaderu 3:78f223d34f36 306 * Use google.com or opengroup.org to get a good description :-)
ethaderu 3:78f223d34f36 307 *
ethaderu 3:78f223d34f36 308 * Exceptions are documented!
ethaderu 3:78f223d34f36 309 */
ethaderu 3:78f223d34f36 310
ethaderu 3:78f223d34f36 311 int
ethaderu 3:78f223d34f36 312 lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
ethaderu 3:78f223d34f36 313 {
ethaderu 3:78f223d34f36 314 struct lwip_sock *sock, *nsock;
ethaderu 3:78f223d34f36 315 struct netconn *newconn;
ethaderu 3:78f223d34f36 316 ip_addr_t naddr;
ethaderu 3:78f223d34f36 317 u16_t port;
ethaderu 3:78f223d34f36 318 int newsock;
ethaderu 3:78f223d34f36 319 struct sockaddr_in sin;
ethaderu 3:78f223d34f36 320 err_t err;
ethaderu 3:78f223d34f36 321 SYS_ARCH_DECL_PROTECT(lev);
ethaderu 3:78f223d34f36 322
ethaderu 3:78f223d34f36 323 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d)...\n", s));
ethaderu 3:78f223d34f36 324 sock = get_socket(s);
ethaderu 3:78f223d34f36 325 if (!sock) {
ethaderu 3:78f223d34f36 326 return -1;
ethaderu 3:78f223d34f36 327 }
ethaderu 3:78f223d34f36 328
ethaderu 3:78f223d34f36 329 if (netconn_is_nonblocking(sock->conn) && (sock->rcvevent <= 0)) {
ethaderu 3:78f223d34f36 330 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): returning EWOULDBLOCK\n", s));
ethaderu 3:78f223d34f36 331 sock_set_errno(sock, EWOULDBLOCK);
ethaderu 3:78f223d34f36 332 return -1;
ethaderu 3:78f223d34f36 333 }
ethaderu 3:78f223d34f36 334
ethaderu 3:78f223d34f36 335 /* wait for a new connection */
ethaderu 3:78f223d34f36 336 err = netconn_accept(sock->conn, &newconn);
ethaderu 3:78f223d34f36 337 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 338 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_acept failed, err=%d\n", s, err));
ethaderu 3:78f223d34f36 339 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 340 return -1;
ethaderu 3:78f223d34f36 341 }
ethaderu 3:78f223d34f36 342 LWIP_ASSERT("newconn != NULL", newconn != NULL);
ethaderu 3:78f223d34f36 343 /* Prevent automatic window updates, we do this on our own! */
ethaderu 3:78f223d34f36 344 netconn_set_noautorecved(newconn, 1);
ethaderu 3:78f223d34f36 345
ethaderu 3:78f223d34f36 346 /* get the IP address and port of the remote host */
ethaderu 3:78f223d34f36 347 err = netconn_peer(newconn, &naddr, &port);
ethaderu 3:78f223d34f36 348 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 349 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_peer failed, err=%d\n", s, err));
ethaderu 3:78f223d34f36 350 netconn_delete(newconn);
ethaderu 3:78f223d34f36 351 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 352 return -1;
ethaderu 3:78f223d34f36 353 }
ethaderu 3:78f223d34f36 354
ethaderu 3:78f223d34f36 355 /* Note that POSIX only requires us to check addr is non-NULL. addrlen must
ethaderu 3:78f223d34f36 356 * not be NULL if addr is valid.
ethaderu 3:78f223d34f36 357 */
ethaderu 3:78f223d34f36 358 if (NULL != addr) {
ethaderu 3:78f223d34f36 359 LWIP_ASSERT("addr valid but addrlen NULL", addrlen != NULL);
ethaderu 3:78f223d34f36 360 memset(&sin, 0, sizeof(sin));
ethaderu 3:78f223d34f36 361 sin.sin_len = sizeof(sin);
ethaderu 3:78f223d34f36 362 sin.sin_family = AF_INET;
ethaderu 3:78f223d34f36 363 sin.sin_port = htons(port);
ethaderu 3:78f223d34f36 364 inet_addr_from_ipaddr(&sin.sin_addr, &naddr);
ethaderu 3:78f223d34f36 365
ethaderu 3:78f223d34f36 366 if (*addrlen > sizeof(sin))
ethaderu 3:78f223d34f36 367 *addrlen = sizeof(sin);
ethaderu 3:78f223d34f36 368
ethaderu 3:78f223d34f36 369 MEMCPY(addr, &sin, *addrlen);
ethaderu 3:78f223d34f36 370 }
ethaderu 3:78f223d34f36 371
ethaderu 3:78f223d34f36 372 newsock = alloc_socket(newconn, 1);
ethaderu 3:78f223d34f36 373 if (newsock == -1) {
ethaderu 3:78f223d34f36 374 netconn_delete(newconn);
ethaderu 3:78f223d34f36 375 sock_set_errno(sock, ENFILE);
ethaderu 3:78f223d34f36 376 return -1;
ethaderu 3:78f223d34f36 377 }
ethaderu 3:78f223d34f36 378 LWIP_ASSERT("invalid socket index", (newsock >= 0) && (newsock < NUM_SOCKETS));
ethaderu 3:78f223d34f36 379 LWIP_ASSERT("newconn->callback == event_callback", newconn->callback == event_callback);
ethaderu 3:78f223d34f36 380 nsock = &sockets[newsock];
ethaderu 3:78f223d34f36 381
ethaderu 3:78f223d34f36 382 /* See event_callback: If data comes in right away after an accept, even
ethaderu 3:78f223d34f36 383 * though the server task might not have created a new socket yet.
ethaderu 3:78f223d34f36 384 * In that case, newconn->socket is counted down (newconn->socket--),
ethaderu 3:78f223d34f36 385 * so nsock->rcvevent is >= 1 here!
ethaderu 3:78f223d34f36 386 */
ethaderu 3:78f223d34f36 387 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 388 nsock->rcvevent += (s16_t)(-1 - newconn->socket);
ethaderu 3:78f223d34f36 389 newconn->socket = newsock;
ethaderu 3:78f223d34f36 390 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 391
ethaderu 3:78f223d34f36 392 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d) returning new sock=%d addr=", s, newsock));
ethaderu 3:78f223d34f36 393 ip_addr_debug_print(SOCKETS_DEBUG, &naddr);
ethaderu 3:78f223d34f36 394 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F"\n", port));
ethaderu 3:78f223d34f36 395
ethaderu 3:78f223d34f36 396 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 397 return newsock;
ethaderu 3:78f223d34f36 398 }
ethaderu 3:78f223d34f36 399
ethaderu 3:78f223d34f36 400 int
ethaderu 3:78f223d34f36 401 lwip_bind(int s, const struct sockaddr *name, socklen_t namelen)
ethaderu 3:78f223d34f36 402 {
ethaderu 3:78f223d34f36 403 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 404 ip_addr_t local_addr;
ethaderu 3:78f223d34f36 405 u16_t local_port;
ethaderu 3:78f223d34f36 406 err_t err;
ethaderu 3:78f223d34f36 407 const struct sockaddr_in *name_in;
ethaderu 3:78f223d34f36 408
ethaderu 3:78f223d34f36 409 sock = get_socket(s);
ethaderu 3:78f223d34f36 410 if (!sock) {
ethaderu 3:78f223d34f36 411 return -1;
ethaderu 3:78f223d34f36 412 }
ethaderu 3:78f223d34f36 413
ethaderu 3:78f223d34f36 414 /* check size, familiy and alignment of 'name' */
ethaderu 3:78f223d34f36 415 LWIP_ERROR("lwip_bind: invalid address", ((namelen == sizeof(struct sockaddr_in)) &&
ethaderu 3:78f223d34f36 416 ((name->sa_family) == AF_INET) && ((((mem_ptr_t)name) % 4) == 0)),
ethaderu 3:78f223d34f36 417 sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
ethaderu 3:78f223d34f36 418 name_in = (const struct sockaddr_in *)(void*)name;
ethaderu 3:78f223d34f36 419
ethaderu 3:78f223d34f36 420 inet_addr_to_ipaddr(&local_addr, &name_in->sin_addr);
ethaderu 3:78f223d34f36 421 local_port = name_in->sin_port;
ethaderu 3:78f223d34f36 422
ethaderu 3:78f223d34f36 423 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d, addr=", s));
ethaderu 3:78f223d34f36 424 ip_addr_debug_print(SOCKETS_DEBUG, &local_addr);
ethaderu 3:78f223d34f36 425 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", ntohs(local_port)));
ethaderu 3:78f223d34f36 426
ethaderu 3:78f223d34f36 427 err = netconn_bind(sock->conn, &local_addr, ntohs(local_port));
ethaderu 3:78f223d34f36 428
ethaderu 3:78f223d34f36 429 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 430 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) failed, err=%d\n", s, err));
ethaderu 3:78f223d34f36 431 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 432 return -1;
ethaderu 3:78f223d34f36 433 }
ethaderu 3:78f223d34f36 434
ethaderu 3:78f223d34f36 435 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) succeeded\n", s));
ethaderu 3:78f223d34f36 436 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 437 return 0;
ethaderu 3:78f223d34f36 438 }
ethaderu 3:78f223d34f36 439
ethaderu 3:78f223d34f36 440 int
ethaderu 3:78f223d34f36 441 lwip_close(int s)
ethaderu 3:78f223d34f36 442 {
ethaderu 3:78f223d34f36 443 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 444 int is_tcp = 0;
ethaderu 3:78f223d34f36 445
ethaderu 3:78f223d34f36 446 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_close(%d)\n", s));
ethaderu 3:78f223d34f36 447
ethaderu 3:78f223d34f36 448 sock = get_socket(s);
ethaderu 3:78f223d34f36 449 if (!sock) {
ethaderu 3:78f223d34f36 450 return -1;
ethaderu 3:78f223d34f36 451 }
ethaderu 3:78f223d34f36 452
ethaderu 3:78f223d34f36 453 if(sock->conn != NULL) {
ethaderu 3:78f223d34f36 454 is_tcp = netconn_type(sock->conn) == NETCONN_TCP;
ethaderu 3:78f223d34f36 455 } else {
ethaderu 3:78f223d34f36 456 LWIP_ASSERT("sock->lastdata == NULL", sock->lastdata == NULL);
ethaderu 3:78f223d34f36 457 }
ethaderu 3:78f223d34f36 458
ethaderu 3:78f223d34f36 459 netconn_delete(sock->conn);
ethaderu 3:78f223d34f36 460
ethaderu 3:78f223d34f36 461 free_socket(sock, is_tcp);
ethaderu 3:78f223d34f36 462 set_errno(0);
ethaderu 3:78f223d34f36 463 return 0;
ethaderu 3:78f223d34f36 464 }
ethaderu 3:78f223d34f36 465
ethaderu 3:78f223d34f36 466 int
ethaderu 3:78f223d34f36 467 lwip_connect(int s, const struct sockaddr *name, socklen_t namelen)
ethaderu 3:78f223d34f36 468 {
ethaderu 3:78f223d34f36 469 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 470 err_t err;
ethaderu 3:78f223d34f36 471 const struct sockaddr_in *name_in;
ethaderu 3:78f223d34f36 472
ethaderu 3:78f223d34f36 473 sock = get_socket(s);
ethaderu 3:78f223d34f36 474 if (!sock) {
ethaderu 3:78f223d34f36 475 return -1;
ethaderu 3:78f223d34f36 476 }
ethaderu 3:78f223d34f36 477
ethaderu 3:78f223d34f36 478 /* check size, familiy and alignment of 'name' */
ethaderu 3:78f223d34f36 479 LWIP_ERROR("lwip_connect: invalid address", ((namelen == sizeof(struct sockaddr_in)) &&
ethaderu 3:78f223d34f36 480 ((name->sa_family) == AF_INET) && ((((mem_ptr_t)name) % 4) == 0)),
ethaderu 3:78f223d34f36 481 sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
ethaderu 3:78f223d34f36 482 name_in = (const struct sockaddr_in *)(void*)name;
ethaderu 3:78f223d34f36 483
ethaderu 3:78f223d34f36 484 if (name_in->sin_family == AF_UNSPEC) {
ethaderu 3:78f223d34f36 485 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, AF_UNSPEC)\n", s));
ethaderu 3:78f223d34f36 486 err = netconn_disconnect(sock->conn);
ethaderu 3:78f223d34f36 487 } else {
ethaderu 3:78f223d34f36 488 ip_addr_t remote_addr;
ethaderu 3:78f223d34f36 489 u16_t remote_port;
ethaderu 3:78f223d34f36 490
ethaderu 3:78f223d34f36 491 inet_addr_to_ipaddr(&remote_addr, &name_in->sin_addr);
ethaderu 3:78f223d34f36 492 remote_port = name_in->sin_port;
ethaderu 3:78f223d34f36 493
ethaderu 3:78f223d34f36 494 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, addr=", s));
ethaderu 3:78f223d34f36 495 ip_addr_debug_print(SOCKETS_DEBUG, &remote_addr);
ethaderu 3:78f223d34f36 496 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", ntohs(remote_port)));
ethaderu 3:78f223d34f36 497
ethaderu 3:78f223d34f36 498 err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port));
ethaderu 3:78f223d34f36 499 }
ethaderu 3:78f223d34f36 500
ethaderu 3:78f223d34f36 501 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 502 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) failed, err=%d\n", s, err));
ethaderu 3:78f223d34f36 503 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 504 return -1;
ethaderu 3:78f223d34f36 505 }
ethaderu 3:78f223d34f36 506
ethaderu 3:78f223d34f36 507 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) succeeded\n", s));
ethaderu 3:78f223d34f36 508 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 509 return 0;
ethaderu 3:78f223d34f36 510 }
ethaderu 3:78f223d34f36 511
ethaderu 3:78f223d34f36 512 /**
ethaderu 3:78f223d34f36 513 * Set a socket into listen mode.
ethaderu 3:78f223d34f36 514 * The socket may not have been used for another connection previously.
ethaderu 3:78f223d34f36 515 *
ethaderu 3:78f223d34f36 516 * @param s the socket to set to listening mode
ethaderu 3:78f223d34f36 517 * @param backlog (ATTENTION: needs TCP_LISTEN_BACKLOG=1)
ethaderu 3:78f223d34f36 518 * @return 0 on success, non-zero on failure
ethaderu 3:78f223d34f36 519 */
ethaderu 3:78f223d34f36 520 int
ethaderu 3:78f223d34f36 521 lwip_listen(int s, int backlog)
ethaderu 3:78f223d34f36 522 {
ethaderu 3:78f223d34f36 523 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 524 err_t err;
ethaderu 3:78f223d34f36 525
ethaderu 3:78f223d34f36 526 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d, backlog=%d)\n", s, backlog));
ethaderu 3:78f223d34f36 527
ethaderu 3:78f223d34f36 528 sock = get_socket(s);
ethaderu 3:78f223d34f36 529 if (!sock) {
ethaderu 3:78f223d34f36 530 return -1;
ethaderu 3:78f223d34f36 531 }
ethaderu 3:78f223d34f36 532
ethaderu 3:78f223d34f36 533 /* limit the "backlog" parameter to fit in an u8_t */
ethaderu 3:78f223d34f36 534 backlog = LWIP_MIN(LWIP_MAX(backlog, 0), 0xff);
ethaderu 3:78f223d34f36 535
ethaderu 3:78f223d34f36 536 err = netconn_listen_with_backlog(sock->conn, (u8_t)backlog);
ethaderu 3:78f223d34f36 537
ethaderu 3:78f223d34f36 538 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 539 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d) failed, err=%d\n", s, err));
ethaderu 3:78f223d34f36 540 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 541 return -1;
ethaderu 3:78f223d34f36 542 }
ethaderu 3:78f223d34f36 543
ethaderu 3:78f223d34f36 544 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 545 return 0;
ethaderu 3:78f223d34f36 546 }
ethaderu 3:78f223d34f36 547
ethaderu 3:78f223d34f36 548 int
ethaderu 3:78f223d34f36 549 lwip_recvfrom(int s, void *mem, size_t len, int flags,
ethaderu 3:78f223d34f36 550 struct sockaddr *from, socklen_t *fromlen)
ethaderu 3:78f223d34f36 551 {
ethaderu 3:78f223d34f36 552 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 553 void *buf = NULL;
ethaderu 3:78f223d34f36 554 struct pbuf *p;
ethaderu 3:78f223d34f36 555 u16_t buflen, copylen;
ethaderu 3:78f223d34f36 556 int off = 0;
ethaderu 3:78f223d34f36 557 ip_addr_t *addr;
ethaderu 3:78f223d34f36 558 u16_t port;
ethaderu 3:78f223d34f36 559 u8_t done = 0;
ethaderu 3:78f223d34f36 560 err_t err;
ethaderu 3:78f223d34f36 561
ethaderu 3:78f223d34f36 562 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d, %p, %"SZT_F", 0x%x, ..)\n", s, mem, len, flags));
ethaderu 3:78f223d34f36 563 sock = get_socket(s);
ethaderu 3:78f223d34f36 564 if (!sock) {
ethaderu 3:78f223d34f36 565 return -1;
ethaderu 3:78f223d34f36 566 }
ethaderu 3:78f223d34f36 567
ethaderu 3:78f223d34f36 568 do {
ethaderu 3:78f223d34f36 569 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: top while sock->lastdata=%p\n", sock->lastdata));
ethaderu 3:78f223d34f36 570 /* Check if there is data left from the last recv operation. */
ethaderu 3:78f223d34f36 571 if (sock->lastdata) {
ethaderu 3:78f223d34f36 572 buf = sock->lastdata;
ethaderu 3:78f223d34f36 573 } else {
ethaderu 3:78f223d34f36 574 /* If this is non-blocking call, then check first */
ethaderu 3:78f223d34f36 575 if (((flags & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) &&
ethaderu 3:78f223d34f36 576 (sock->rcvevent <= 0)) {
ethaderu 3:78f223d34f36 577 if (off > 0) {
ethaderu 3:78f223d34f36 578 /* update receive window */
ethaderu 3:78f223d34f36 579 netconn_recved(sock->conn, (u32_t)off);
ethaderu 3:78f223d34f36 580 /* already received data, return that */
ethaderu 3:78f223d34f36 581 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 582 return off;
ethaderu 3:78f223d34f36 583 }
ethaderu 3:78f223d34f36 584 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): returning EWOULDBLOCK\n", s));
ethaderu 3:78f223d34f36 585 sock_set_errno(sock, EWOULDBLOCK);
ethaderu 3:78f223d34f36 586 return -1;
ethaderu 3:78f223d34f36 587 }
ethaderu 3:78f223d34f36 588
ethaderu 3:78f223d34f36 589 /* No data was left from the previous operation, so we try to get
ethaderu 3:78f223d34f36 590 some from the network. */
ethaderu 3:78f223d34f36 591 if (netconn_type(sock->conn) == NETCONN_TCP) {
ethaderu 3:78f223d34f36 592 err = netconn_recv_tcp_pbuf(sock->conn, (struct pbuf **)&buf);
ethaderu 3:78f223d34f36 593 } else {
ethaderu 3:78f223d34f36 594 err = netconn_recv(sock->conn, (struct netbuf **)&buf);
ethaderu 3:78f223d34f36 595 }
ethaderu 3:78f223d34f36 596 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: netconn_recv err=%d, netbuf=%p\n",
ethaderu 3:78f223d34f36 597 err, buf));
ethaderu 3:78f223d34f36 598
ethaderu 3:78f223d34f36 599 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 600 if (off > 0) {
ethaderu 3:78f223d34f36 601 /* update receive window */
ethaderu 3:78f223d34f36 602 netconn_recved(sock->conn, (u32_t)off);
ethaderu 3:78f223d34f36 603 /* already received data, return that */
ethaderu 3:78f223d34f36 604 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 605 return off;
ethaderu 3:78f223d34f36 606 }
ethaderu 3:78f223d34f36 607 /* We should really do some error checking here. */
ethaderu 3:78f223d34f36 608 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL, error is \"%s\"!\n",
ethaderu 3:78f223d34f36 609 s, lwip_strerr(err)));
ethaderu 3:78f223d34f36 610 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 611 if (err == ERR_CLSD) {
ethaderu 3:78f223d34f36 612 return 0;
ethaderu 3:78f223d34f36 613 } else {
ethaderu 3:78f223d34f36 614 return -1;
ethaderu 3:78f223d34f36 615 }
ethaderu 3:78f223d34f36 616 }
ethaderu 3:78f223d34f36 617 LWIP_ASSERT("buf != NULL", buf != NULL);
ethaderu 3:78f223d34f36 618 sock->lastdata = buf;
ethaderu 3:78f223d34f36 619 }
ethaderu 3:78f223d34f36 620
ethaderu 3:78f223d34f36 621 if (netconn_type(sock->conn) == NETCONN_TCP) {
ethaderu 3:78f223d34f36 622 p = (struct pbuf *)buf;
ethaderu 3:78f223d34f36 623 } else {
ethaderu 3:78f223d34f36 624 p = ((struct netbuf *)buf)->p;
ethaderu 3:78f223d34f36 625 }
ethaderu 3:78f223d34f36 626 buflen = p->tot_len;
ethaderu 3:78f223d34f36 627 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: buflen=%"U16_F" len=%"SZT_F" off=%d sock->lastoffset=%"U16_F"\n",
ethaderu 3:78f223d34f36 628 buflen, len, off, sock->lastoffset));
ethaderu 3:78f223d34f36 629
ethaderu 3:78f223d34f36 630 buflen -= sock->lastoffset;
ethaderu 3:78f223d34f36 631
ethaderu 3:78f223d34f36 632 if (len > buflen) {
ethaderu 3:78f223d34f36 633 copylen = buflen;
ethaderu 3:78f223d34f36 634 } else {
ethaderu 3:78f223d34f36 635 copylen = (u16_t)len;
ethaderu 3:78f223d34f36 636 }
ethaderu 3:78f223d34f36 637
ethaderu 3:78f223d34f36 638 /* copy the contents of the received buffer into
ethaderu 3:78f223d34f36 639 the supplied memory pointer mem */
ethaderu 3:78f223d34f36 640 pbuf_copy_partial(p, (u8_t*)mem + off, copylen, sock->lastoffset);
ethaderu 3:78f223d34f36 641
ethaderu 3:78f223d34f36 642 off += copylen;
ethaderu 3:78f223d34f36 643
ethaderu 3:78f223d34f36 644 if (netconn_type(sock->conn) == NETCONN_TCP) {
ethaderu 3:78f223d34f36 645 LWIP_ASSERT("invalid copylen, len would underflow", len >= copylen);
ethaderu 3:78f223d34f36 646 len -= copylen;
ethaderu 3:78f223d34f36 647 if ( (len <= 0) ||
ethaderu 3:78f223d34f36 648 (p->flags & PBUF_FLAG_PUSH) ||
ethaderu 3:78f223d34f36 649 (sock->rcvevent <= 0) ||
ethaderu 3:78f223d34f36 650 ((flags & MSG_PEEK)!=0)) {
ethaderu 3:78f223d34f36 651 done = 1;
ethaderu 3:78f223d34f36 652 }
ethaderu 3:78f223d34f36 653 } else {
ethaderu 3:78f223d34f36 654 done = 1;
ethaderu 3:78f223d34f36 655 }
ethaderu 3:78f223d34f36 656
ethaderu 3:78f223d34f36 657 /* Check to see from where the data was.*/
ethaderu 3:78f223d34f36 658 if (done) {
ethaderu 3:78f223d34f36 659 ip_addr_t fromaddr;
ethaderu 3:78f223d34f36 660 if (from && fromlen) {
ethaderu 3:78f223d34f36 661 struct sockaddr_in sin;
ethaderu 3:78f223d34f36 662
ethaderu 3:78f223d34f36 663 if (netconn_type(sock->conn) == NETCONN_TCP) {
ethaderu 3:78f223d34f36 664 addr = &fromaddr;
ethaderu 3:78f223d34f36 665 netconn_getaddr(sock->conn, addr, &port, 0);
ethaderu 3:78f223d34f36 666 } else {
ethaderu 3:78f223d34f36 667 addr = netbuf_fromaddr((struct netbuf *)buf);
ethaderu 3:78f223d34f36 668 port = netbuf_fromport((struct netbuf *)buf);
ethaderu 3:78f223d34f36 669 }
ethaderu 3:78f223d34f36 670
ethaderu 3:78f223d34f36 671 memset(&sin, 0, sizeof(sin));
ethaderu 3:78f223d34f36 672 sin.sin_len = sizeof(sin);
ethaderu 3:78f223d34f36 673 sin.sin_family = AF_INET;
ethaderu 3:78f223d34f36 674 sin.sin_port = htons(port);
ethaderu 3:78f223d34f36 675 inet_addr_from_ipaddr(&sin.sin_addr, addr);
ethaderu 3:78f223d34f36 676
ethaderu 3:78f223d34f36 677 if (*fromlen > sizeof(sin)) {
ethaderu 3:78f223d34f36 678 *fromlen = sizeof(sin);
ethaderu 3:78f223d34f36 679 }
ethaderu 3:78f223d34f36 680
ethaderu 3:78f223d34f36 681 MEMCPY(from, &sin, *fromlen);
ethaderu 3:78f223d34f36 682
ethaderu 3:78f223d34f36 683 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s));
ethaderu 3:78f223d34f36 684 ip_addr_debug_print(SOCKETS_DEBUG, addr);
ethaderu 3:78f223d34f36 685 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F" len=%d\n", port, off));
ethaderu 3:78f223d34f36 686 } else {
ethaderu 3:78f223d34f36 687 #if SOCKETS_DEBUG
ethaderu 3:78f223d34f36 688 if (netconn_type(sock->conn) == NETCONN_TCP) {
ethaderu 3:78f223d34f36 689 addr = &fromaddr;
ethaderu 3:78f223d34f36 690 netconn_getaddr(sock->conn, addr, &port, 0);
ethaderu 3:78f223d34f36 691 } else {
ethaderu 3:78f223d34f36 692 addr = netbuf_fromaddr((struct netbuf *)buf);
ethaderu 3:78f223d34f36 693 port = netbuf_fromport((struct netbuf *)buf);
ethaderu 3:78f223d34f36 694 }
ethaderu 3:78f223d34f36 695
ethaderu 3:78f223d34f36 696 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s));
ethaderu 3:78f223d34f36 697 ip_addr_debug_print(SOCKETS_DEBUG, addr);
ethaderu 3:78f223d34f36 698 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F" len=%d\n", port, off));
ethaderu 3:78f223d34f36 699 #endif /* SOCKETS_DEBUG */
ethaderu 3:78f223d34f36 700 }
ethaderu 3:78f223d34f36 701 }
ethaderu 3:78f223d34f36 702
ethaderu 3:78f223d34f36 703 /* If we don't peek the incoming message... */
ethaderu 3:78f223d34f36 704 if ((flags & MSG_PEEK) == 0) {
ethaderu 3:78f223d34f36 705 /* If this is a TCP socket, check if there is data left in the
ethaderu 3:78f223d34f36 706 buffer. If so, it should be saved in the sock structure for next
ethaderu 3:78f223d34f36 707 time around. */
ethaderu 3:78f223d34f36 708 if ((netconn_type(sock->conn) == NETCONN_TCP) && (buflen - copylen > 0)) {
ethaderu 3:78f223d34f36 709 sock->lastdata = buf;
ethaderu 3:78f223d34f36 710 sock->lastoffset += copylen;
ethaderu 3:78f223d34f36 711 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: lastdata now netbuf=%p\n", buf));
ethaderu 3:78f223d34f36 712 } else {
ethaderu 3:78f223d34f36 713 sock->lastdata = NULL;
ethaderu 3:78f223d34f36 714 sock->lastoffset = 0;
ethaderu 3:78f223d34f36 715 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: deleting netbuf=%p\n", buf));
ethaderu 3:78f223d34f36 716 if (netconn_type(sock->conn) == NETCONN_TCP) {
ethaderu 3:78f223d34f36 717 pbuf_free((struct pbuf *)buf);
ethaderu 3:78f223d34f36 718 } else {
ethaderu 3:78f223d34f36 719 netbuf_delete((struct netbuf *)buf);
ethaderu 3:78f223d34f36 720 }
ethaderu 3:78f223d34f36 721 }
ethaderu 3:78f223d34f36 722 }
ethaderu 3:78f223d34f36 723 } while (!done);
ethaderu 3:78f223d34f36 724
ethaderu 3:78f223d34f36 725 if (off > 0) {
ethaderu 3:78f223d34f36 726 /* update receive window */
ethaderu 3:78f223d34f36 727 netconn_recved(sock->conn, (u32_t)off);
ethaderu 3:78f223d34f36 728 }
ethaderu 3:78f223d34f36 729 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 730 return off;
ethaderu 3:78f223d34f36 731 }
ethaderu 3:78f223d34f36 732
ethaderu 3:78f223d34f36 733 int
ethaderu 3:78f223d34f36 734 lwip_read(int s, void *mem, size_t len)
ethaderu 3:78f223d34f36 735 {
ethaderu 3:78f223d34f36 736 return lwip_recvfrom(s, mem, len, 0, NULL, NULL);
ethaderu 3:78f223d34f36 737 }
ethaderu 3:78f223d34f36 738
ethaderu 3:78f223d34f36 739 int
ethaderu 3:78f223d34f36 740 lwip_recv(int s, void *mem, size_t len, int flags)
ethaderu 3:78f223d34f36 741 {
ethaderu 3:78f223d34f36 742 return lwip_recvfrom(s, mem, len, flags, NULL, NULL);
ethaderu 3:78f223d34f36 743 }
ethaderu 3:78f223d34f36 744
ethaderu 3:78f223d34f36 745 int
ethaderu 3:78f223d34f36 746 lwip_send(int s, const void *data, size_t size, int flags)
ethaderu 3:78f223d34f36 747 {
ethaderu 3:78f223d34f36 748 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 749 err_t err;
ethaderu 3:78f223d34f36 750 u8_t write_flags;
ethaderu 3:78f223d34f36 751
ethaderu 3:78f223d34f36 752 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d, data=%p, size=%"SZT_F", flags=0x%x)\n",
ethaderu 3:78f223d34f36 753 s, data, size, flags));
ethaderu 3:78f223d34f36 754
ethaderu 3:78f223d34f36 755 sock = get_socket(s);
ethaderu 3:78f223d34f36 756 if (!sock) {
ethaderu 3:78f223d34f36 757 return -1;
ethaderu 3:78f223d34f36 758 }
ethaderu 3:78f223d34f36 759
ethaderu 3:78f223d34f36 760 if (sock->conn->type != NETCONN_TCP) {
ethaderu 3:78f223d34f36 761 #if (LWIP_UDP || LWIP_RAW)
ethaderu 3:78f223d34f36 762 return lwip_sendto(s, data, size, flags, NULL, 0);
ethaderu 3:78f223d34f36 763 #else /* (LWIP_UDP || LWIP_RAW) */
ethaderu 3:78f223d34f36 764 sock_set_errno(sock, err_to_errno(ERR_ARG));
ethaderu 3:78f223d34f36 765 return -1;
ethaderu 3:78f223d34f36 766 #endif /* (LWIP_UDP || LWIP_RAW) */
ethaderu 3:78f223d34f36 767 }
ethaderu 3:78f223d34f36 768
ethaderu 3:78f223d34f36 769 if ((flags & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) {
ethaderu 3:78f223d34f36 770 if ((size > TCP_SND_BUF) || ((size / TCP_MSS) > TCP_SND_QUEUELEN)) {
ethaderu 3:78f223d34f36 771 /* too much data to ever send nonblocking! */
ethaderu 3:78f223d34f36 772 sock_set_errno(sock, EMSGSIZE);
ethaderu 3:78f223d34f36 773 return -1;
ethaderu 3:78f223d34f36 774 }
ethaderu 3:78f223d34f36 775 }
ethaderu 3:78f223d34f36 776
ethaderu 3:78f223d34f36 777 write_flags = NETCONN_COPY |
ethaderu 3:78f223d34f36 778 ((flags & MSG_MORE) ? NETCONN_MORE : 0) |
ethaderu 3:78f223d34f36 779 ((flags & MSG_DONTWAIT) ? NETCONN_DONTBLOCK : 0);
ethaderu 3:78f223d34f36 780 err = netconn_write(sock->conn, data, size, write_flags);
ethaderu 3:78f223d34f36 781
ethaderu 3:78f223d34f36 782 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) err=%d size=%"SZT_F"\n", s, err, size));
ethaderu 3:78f223d34f36 783 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 784 return (err == ERR_OK ? (int)size : -1);
ethaderu 3:78f223d34f36 785 }
ethaderu 3:78f223d34f36 786
ethaderu 3:78f223d34f36 787 int
ethaderu 3:78f223d34f36 788 lwip_sendto(int s, const void *data, size_t size, int flags,
ethaderu 3:78f223d34f36 789 const struct sockaddr *to, socklen_t tolen)
ethaderu 3:78f223d34f36 790 {
ethaderu 3:78f223d34f36 791 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 792 err_t err;
ethaderu 3:78f223d34f36 793 u16_t short_size;
ethaderu 3:78f223d34f36 794 const struct sockaddr_in *to_in;
ethaderu 3:78f223d34f36 795 u16_t remote_port;
ethaderu 3:78f223d34f36 796 #if !LWIP_TCPIP_CORE_LOCKING
ethaderu 3:78f223d34f36 797 struct netbuf buf;
ethaderu 3:78f223d34f36 798 #endif
ethaderu 3:78f223d34f36 799
ethaderu 3:78f223d34f36 800 sock = get_socket(s);
ethaderu 3:78f223d34f36 801 if (!sock) {
ethaderu 3:78f223d34f36 802 return -1;
ethaderu 3:78f223d34f36 803 }
ethaderu 3:78f223d34f36 804
ethaderu 3:78f223d34f36 805 if (sock->conn->type == NETCONN_TCP) {
ethaderu 3:78f223d34f36 806 #if LWIP_TCP
ethaderu 3:78f223d34f36 807 return lwip_send(s, data, size, flags);
ethaderu 3:78f223d34f36 808 #else /* LWIP_TCP */
ethaderu 3:78f223d34f36 809 LWIP_UNUSED_ARG(flags);
ethaderu 3:78f223d34f36 810 sock_set_errno(sock, err_to_errno(ERR_ARG));
ethaderu 3:78f223d34f36 811 return -1;
ethaderu 3:78f223d34f36 812 #endif /* LWIP_TCP */
ethaderu 3:78f223d34f36 813 }
ethaderu 3:78f223d34f36 814
ethaderu 3:78f223d34f36 815 /* @todo: split into multiple sendto's? */
ethaderu 3:78f223d34f36 816 LWIP_ASSERT("lwip_sendto: size must fit in u16_t", size <= 0xffff);
ethaderu 3:78f223d34f36 817 short_size = (u16_t)size;
ethaderu 3:78f223d34f36 818 LWIP_ERROR("lwip_sendto: invalid address", (((to == NULL) && (tolen == 0)) ||
ethaderu 3:78f223d34f36 819 ((tolen == sizeof(struct sockaddr_in)) &&
ethaderu 3:78f223d34f36 820 ((to->sa_family) == AF_INET) && ((((mem_ptr_t)to) % 4) == 0))),
ethaderu 3:78f223d34f36 821 sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
ethaderu 3:78f223d34f36 822 to_in = (const struct sockaddr_in *)(void*)to;
ethaderu 3:78f223d34f36 823
ethaderu 3:78f223d34f36 824 #if LWIP_TCPIP_CORE_LOCKING
ethaderu 3:78f223d34f36 825 /* Should only be consider like a sample or a simple way to experiment this option (no check of "to" field...) */
ethaderu 3:78f223d34f36 826 {
ethaderu 3:78f223d34f36 827 struct pbuf* p;
ethaderu 3:78f223d34f36 828 ip_addr_t *remote_addr;
ethaderu 3:78f223d34f36 829
ethaderu 3:78f223d34f36 830 #if LWIP_NETIF_TX_SINGLE_PBUF
ethaderu 3:78f223d34f36 831 p = pbuf_alloc(PBUF_TRANSPORT, short_size, PBUF_RAM);
ethaderu 3:78f223d34f36 832 if (p != NULL) {
ethaderu 3:78f223d34f36 833 #if LWIP_CHECKSUM_ON_COPY
ethaderu 3:78f223d34f36 834 u16_t chksum = 0;
ethaderu 3:78f223d34f36 835 if (sock->conn->type != NETCONN_RAW) {
ethaderu 3:78f223d34f36 836 chksum = LWIP_CHKSUM_COPY(p->payload, data, short_size);
ethaderu 3:78f223d34f36 837 } else
ethaderu 3:78f223d34f36 838 #endif /* LWIP_CHECKSUM_ON_COPY */
ethaderu 3:78f223d34f36 839 MEMCPY(p->payload, data, size);
ethaderu 3:78f223d34f36 840 #else /* LWIP_NETIF_TX_SINGLE_PBUF */
ethaderu 3:78f223d34f36 841 p = pbuf_alloc(PBUF_TRANSPORT, short_size, PBUF_REF);
ethaderu 3:78f223d34f36 842 if (p != NULL) {
ethaderu 3:78f223d34f36 843 p->payload = (void*)data;
ethaderu 3:78f223d34f36 844 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */
ethaderu 3:78f223d34f36 845
ethaderu 3:78f223d34f36 846 if (to_in != NULL) {
ethaderu 3:78f223d34f36 847 inet_addr_to_ipaddr_p(remote_addr, &to_in->sin_addr);
ethaderu 3:78f223d34f36 848 remote_port = ntohs(to_in->sin_port);
ethaderu 3:78f223d34f36 849 } else {
ethaderu 3:78f223d34f36 850 remote_addr = &sock->conn->pcb.raw->remote_ip;
ethaderu 3:78f223d34f36 851 if (sock->conn->type == NETCONN_RAW) {
ethaderu 3:78f223d34f36 852 remote_port = 0;
ethaderu 3:78f223d34f36 853 } else {
ethaderu 3:78f223d34f36 854 remote_port = sock->conn->pcb.udp->remote_port;
ethaderu 3:78f223d34f36 855 }
ethaderu 3:78f223d34f36 856 }
ethaderu 3:78f223d34f36 857
ethaderu 3:78f223d34f36 858 LOCK_TCPIP_CORE();
ethaderu 3:78f223d34f36 859 if (sock->conn->type == NETCONN_RAW) {
ethaderu 3:78f223d34f36 860 err = sock->conn->last_err = raw_sendto(sock->conn->pcb.raw, p, remote_addr);
ethaderu 3:78f223d34f36 861 } else {
ethaderu 3:78f223d34f36 862 #if LWIP_UDP
ethaderu 3:78f223d34f36 863 #if LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF
ethaderu 3:78f223d34f36 864 err = sock->conn->last_err = udp_sendto_chksum(sock->conn->pcb.udp, p,
ethaderu 3:78f223d34f36 865 remote_addr, remote_port, 1, chksum);
ethaderu 3:78f223d34f36 866 #else /* LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF */
ethaderu 3:78f223d34f36 867 err = sock->conn->last_err = udp_sendto(sock->conn->pcb.udp, p,
ethaderu 3:78f223d34f36 868 remote_addr, remote_port);
ethaderu 3:78f223d34f36 869 #endif /* LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF */
ethaderu 3:78f223d34f36 870 #else /* LWIP_UDP */
ethaderu 3:78f223d34f36 871 err = ERR_ARG;
ethaderu 3:78f223d34f36 872 #endif /* LWIP_UDP */
ethaderu 3:78f223d34f36 873 }
ethaderu 3:78f223d34f36 874 UNLOCK_TCPIP_CORE();
ethaderu 3:78f223d34f36 875
ethaderu 3:78f223d34f36 876 pbuf_free(p);
ethaderu 3:78f223d34f36 877 } else {
ethaderu 3:78f223d34f36 878 err = ERR_MEM;
ethaderu 3:78f223d34f36 879 }
ethaderu 3:78f223d34f36 880 }
ethaderu 3:78f223d34f36 881 #else /* LWIP_TCPIP_CORE_LOCKING */
ethaderu 3:78f223d34f36 882 /* initialize a buffer */
ethaderu 3:78f223d34f36 883 buf.p = buf.ptr = NULL;
ethaderu 3:78f223d34f36 884 #if LWIP_CHECKSUM_ON_COPY
ethaderu 3:78f223d34f36 885 buf.flags = 0;
ethaderu 3:78f223d34f36 886 #endif /* LWIP_CHECKSUM_ON_COPY */
ethaderu 3:78f223d34f36 887 if (to) {
ethaderu 3:78f223d34f36 888 inet_addr_to_ipaddr(&buf.addr, &to_in->sin_addr);
ethaderu 3:78f223d34f36 889 remote_port = ntohs(to_in->sin_port);
ethaderu 3:78f223d34f36 890 netbuf_fromport(&buf) = remote_port;
ethaderu 3:78f223d34f36 891 } else {
ethaderu 3:78f223d34f36 892 remote_port = 0;
ethaderu 3:78f223d34f36 893 ip_addr_set_any(&buf.addr);
ethaderu 3:78f223d34f36 894 netbuf_fromport(&buf) = 0;
ethaderu 3:78f223d34f36 895 }
ethaderu 3:78f223d34f36 896
ethaderu 3:78f223d34f36 897 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_sendto(%d, data=%p, short_size=%"U16_F", flags=0x%x to=",
ethaderu 3:78f223d34f36 898 s, data, short_size, flags));
ethaderu 3:78f223d34f36 899 ip_addr_debug_print(SOCKETS_DEBUG, &buf.addr);
ethaderu 3:78f223d34f36 900 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F"\n", remote_port));
ethaderu 3:78f223d34f36 901
ethaderu 3:78f223d34f36 902 /* make the buffer point to the data that should be sent */
ethaderu 3:78f223d34f36 903 #if LWIP_NETIF_TX_SINGLE_PBUF
ethaderu 3:78f223d34f36 904 /* Allocate a new netbuf and copy the data into it. */
ethaderu 3:78f223d34f36 905 if (netbuf_alloc(&buf, short_size) == NULL) {
ethaderu 3:78f223d34f36 906 err = ERR_MEM;
ethaderu 3:78f223d34f36 907 } else {
ethaderu 3:78f223d34f36 908 #if LWIP_CHECKSUM_ON_COPY
ethaderu 3:78f223d34f36 909 if (sock->conn->type != NETCONN_RAW) {
ethaderu 3:78f223d34f36 910 u16_t chksum = LWIP_CHKSUM_COPY(buf.p->payload, data, short_size);
ethaderu 3:78f223d34f36 911 netbuf_set_chksum(&buf, chksum);
ethaderu 3:78f223d34f36 912 err = ERR_OK;
ethaderu 3:78f223d34f36 913 } else
ethaderu 3:78f223d34f36 914 #endif /* LWIP_CHECKSUM_ON_COPY */
ethaderu 3:78f223d34f36 915 {
ethaderu 3:78f223d34f36 916 err = netbuf_take(&buf, data, short_size);
ethaderu 3:78f223d34f36 917 }
ethaderu 3:78f223d34f36 918 }
ethaderu 3:78f223d34f36 919 #else /* LWIP_NETIF_TX_SINGLE_PBUF */
ethaderu 3:78f223d34f36 920 err = netbuf_ref(&buf, data, short_size);
ethaderu 3:78f223d34f36 921 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */
ethaderu 3:78f223d34f36 922 if (err == ERR_OK) {
ethaderu 3:78f223d34f36 923 /* send the data */
ethaderu 3:78f223d34f36 924 err = netconn_send(sock->conn, &buf);
ethaderu 3:78f223d34f36 925 }
ethaderu 3:78f223d34f36 926
ethaderu 3:78f223d34f36 927 /* deallocated the buffer */
ethaderu 3:78f223d34f36 928 netbuf_free(&buf);
ethaderu 3:78f223d34f36 929 #endif /* LWIP_TCPIP_CORE_LOCKING */
ethaderu 3:78f223d34f36 930 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 931 return (err == ERR_OK ? short_size : -1);
ethaderu 3:78f223d34f36 932 }
ethaderu 3:78f223d34f36 933
ethaderu 3:78f223d34f36 934 int
ethaderu 3:78f223d34f36 935 lwip_socket(int domain, int type, int protocol)
ethaderu 3:78f223d34f36 936 {
ethaderu 3:78f223d34f36 937 struct netconn *conn;
ethaderu 3:78f223d34f36 938 int i;
ethaderu 3:78f223d34f36 939
ethaderu 3:78f223d34f36 940 LWIP_UNUSED_ARG(domain);
ethaderu 3:78f223d34f36 941
ethaderu 3:78f223d34f36 942 /* create a netconn */
ethaderu 3:78f223d34f36 943 switch (type) {
ethaderu 3:78f223d34f36 944 case SOCK_RAW:
ethaderu 3:78f223d34f36 945 conn = netconn_new_with_proto_and_callback(NETCONN_RAW, (u8_t)protocol, event_callback);
ethaderu 3:78f223d34f36 946 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_RAW, %d) = ",
ethaderu 3:78f223d34f36 947 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
ethaderu 3:78f223d34f36 948 break;
ethaderu 3:78f223d34f36 949 case SOCK_DGRAM:
ethaderu 3:78f223d34f36 950 conn = netconn_new_with_callback( (protocol == IPPROTO_UDPLITE) ?
ethaderu 3:78f223d34f36 951 NETCONN_UDPLITE : NETCONN_UDP, event_callback);
ethaderu 3:78f223d34f36 952 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_DGRAM, %d) = ",
ethaderu 3:78f223d34f36 953 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
ethaderu 3:78f223d34f36 954 break;
ethaderu 3:78f223d34f36 955 case SOCK_STREAM:
ethaderu 3:78f223d34f36 956 conn = netconn_new_with_callback(NETCONN_TCP, event_callback);
ethaderu 3:78f223d34f36 957 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_STREAM, %d) = ",
ethaderu 3:78f223d34f36 958 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
ethaderu 3:78f223d34f36 959 if (conn != NULL) {
ethaderu 3:78f223d34f36 960 /* Prevent automatic window updates, we do this on our own! */
ethaderu 3:78f223d34f36 961 netconn_set_noautorecved(conn, 1);
ethaderu 3:78f223d34f36 962 }
ethaderu 3:78f223d34f36 963 break;
ethaderu 3:78f223d34f36 964 default:
ethaderu 3:78f223d34f36 965 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%d, %d/UNKNOWN, %d) = -1\n",
ethaderu 3:78f223d34f36 966 domain, type, protocol));
ethaderu 3:78f223d34f36 967 set_errno(EINVAL);
ethaderu 3:78f223d34f36 968 return -1;
ethaderu 3:78f223d34f36 969 }
ethaderu 3:78f223d34f36 970
ethaderu 3:78f223d34f36 971 if (!conn) {
ethaderu 3:78f223d34f36 972 LWIP_DEBUGF(SOCKETS_DEBUG, ("-1 / ENOBUFS (could not create netconn)\n"));
ethaderu 3:78f223d34f36 973 set_errno(ENOBUFS);
ethaderu 3:78f223d34f36 974 return -1;
ethaderu 3:78f223d34f36 975 }
ethaderu 3:78f223d34f36 976
ethaderu 3:78f223d34f36 977 i = alloc_socket(conn, 0);
ethaderu 3:78f223d34f36 978
ethaderu 3:78f223d34f36 979 if (i == -1) {
ethaderu 3:78f223d34f36 980 netconn_delete(conn);
ethaderu 3:78f223d34f36 981 set_errno(ENFILE);
ethaderu 3:78f223d34f36 982 return -1;
ethaderu 3:78f223d34f36 983 }
ethaderu 3:78f223d34f36 984 conn->socket = i;
ethaderu 3:78f223d34f36 985 LWIP_DEBUGF(SOCKETS_DEBUG, ("%d\n", i));
ethaderu 3:78f223d34f36 986 set_errno(0);
ethaderu 3:78f223d34f36 987 return i;
ethaderu 3:78f223d34f36 988 }
ethaderu 3:78f223d34f36 989
ethaderu 3:78f223d34f36 990 int
ethaderu 3:78f223d34f36 991 lwip_write(int s, const void *data, size_t size)
ethaderu 3:78f223d34f36 992 {
ethaderu 3:78f223d34f36 993 return lwip_send(s, data, size, 0);
ethaderu 3:78f223d34f36 994 }
ethaderu 3:78f223d34f36 995
ethaderu 3:78f223d34f36 996 /**
ethaderu 3:78f223d34f36 997 * Go through the readset and writeset lists and see which socket of the sockets
ethaderu 3:78f223d34f36 998 * set in the sets has events. On return, readset, writeset and exceptset have
ethaderu 3:78f223d34f36 999 * the sockets enabled that had events.
ethaderu 3:78f223d34f36 1000 *
ethaderu 3:78f223d34f36 1001 * exceptset is not used for now!!!
ethaderu 3:78f223d34f36 1002 *
ethaderu 3:78f223d34f36 1003 * @param maxfdp1 the highest socket index in the sets
ethaderu 3:78f223d34f36 1004 * @param readset_in: set of sockets to check for read events
ethaderu 3:78f223d34f36 1005 * @param writeset_in: set of sockets to check for write events
ethaderu 3:78f223d34f36 1006 * @param exceptset_in: set of sockets to check for error events
ethaderu 3:78f223d34f36 1007 * @param readset_out: set of sockets that had read events
ethaderu 3:78f223d34f36 1008 * @param writeset_out: set of sockets that had write events
ethaderu 3:78f223d34f36 1009 * @param exceptset_out: set os sockets that had error events
ethaderu 3:78f223d34f36 1010 * @return number of sockets that had events (read/write/exception) (>= 0)
ethaderu 3:78f223d34f36 1011 */
ethaderu 3:78f223d34f36 1012 static int
ethaderu 3:78f223d34f36 1013 lwip_selscan(int maxfdp1, fd_set *readset_in, fd_set *writeset_in, fd_set *exceptset_in,
ethaderu 3:78f223d34f36 1014 fd_set *readset_out, fd_set *writeset_out, fd_set *exceptset_out)
ethaderu 3:78f223d34f36 1015 {
ethaderu 3:78f223d34f36 1016 int i, nready = 0;
ethaderu 3:78f223d34f36 1017 fd_set lreadset, lwriteset, lexceptset;
ethaderu 3:78f223d34f36 1018 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 1019 SYS_ARCH_DECL_PROTECT(lev);
ethaderu 3:78f223d34f36 1020
ethaderu 3:78f223d34f36 1021 FD_ZERO(&lreadset);
ethaderu 3:78f223d34f36 1022 FD_ZERO(&lwriteset);
ethaderu 3:78f223d34f36 1023 FD_ZERO(&lexceptset);
ethaderu 3:78f223d34f36 1024
ethaderu 3:78f223d34f36 1025 /* Go through each socket in each list to count number of sockets which
ethaderu 3:78f223d34f36 1026 currently match */
ethaderu 3:78f223d34f36 1027 for(i = 0; i < maxfdp1; i++) {
ethaderu 3:78f223d34f36 1028 void* lastdata = NULL;
ethaderu 3:78f223d34f36 1029 s16_t rcvevent = 0;
ethaderu 3:78f223d34f36 1030 u16_t sendevent = 0;
ethaderu 3:78f223d34f36 1031 u16_t errevent = 0;
ethaderu 3:78f223d34f36 1032 /* First get the socket's status (protected)... */
ethaderu 3:78f223d34f36 1033 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 1034 sock = tryget_socket(i);
ethaderu 3:78f223d34f36 1035 if (sock != NULL) {
ethaderu 3:78f223d34f36 1036 lastdata = sock->lastdata;
ethaderu 3:78f223d34f36 1037 rcvevent = sock->rcvevent;
ethaderu 3:78f223d34f36 1038 sendevent = sock->sendevent;
ethaderu 3:78f223d34f36 1039 errevent = sock->errevent;
ethaderu 3:78f223d34f36 1040 }
ethaderu 3:78f223d34f36 1041 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1042 /* ... then examine it: */
ethaderu 3:78f223d34f36 1043 /* See if netconn of this socket is ready for read */
ethaderu 3:78f223d34f36 1044 if (readset_in && FD_ISSET(i, readset_in) && ((lastdata != NULL) || (rcvevent > 0))) {
ethaderu 3:78f223d34f36 1045 FD_SET(i, &lreadset);
ethaderu 3:78f223d34f36 1046 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for reading\n", i));
ethaderu 3:78f223d34f36 1047 nready++;
ethaderu 3:78f223d34f36 1048 }
ethaderu 3:78f223d34f36 1049 /* See if netconn of this socket is ready for write */
ethaderu 3:78f223d34f36 1050 if (writeset_in && FD_ISSET(i, writeset_in) && (sendevent != 0)) {
ethaderu 3:78f223d34f36 1051 FD_SET(i, &lwriteset);
ethaderu 3:78f223d34f36 1052 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for writing\n", i));
ethaderu 3:78f223d34f36 1053 nready++;
ethaderu 3:78f223d34f36 1054 }
ethaderu 3:78f223d34f36 1055 /* See if netconn of this socket had an error */
ethaderu 3:78f223d34f36 1056 if (exceptset_in && FD_ISSET(i, exceptset_in) && (errevent != 0)) {
ethaderu 3:78f223d34f36 1057 FD_SET(i, &lexceptset);
ethaderu 3:78f223d34f36 1058 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for exception\n", i));
ethaderu 3:78f223d34f36 1059 nready++;
ethaderu 3:78f223d34f36 1060 }
ethaderu 3:78f223d34f36 1061 }
ethaderu 3:78f223d34f36 1062 /* copy local sets to the ones provided as arguments */
ethaderu 3:78f223d34f36 1063 *readset_out = lreadset;
ethaderu 3:78f223d34f36 1064 *writeset_out = lwriteset;
ethaderu 3:78f223d34f36 1065 *exceptset_out = lexceptset;
ethaderu 3:78f223d34f36 1066
ethaderu 3:78f223d34f36 1067 LWIP_ASSERT("nready >= 0", nready >= 0);
ethaderu 3:78f223d34f36 1068 return nready;
ethaderu 3:78f223d34f36 1069 }
ethaderu 3:78f223d34f36 1070
ethaderu 3:78f223d34f36 1071 /**
ethaderu 3:78f223d34f36 1072 * Processing exceptset is not yet implemented.
ethaderu 3:78f223d34f36 1073 */
ethaderu 3:78f223d34f36 1074 int
ethaderu 3:78f223d34f36 1075 lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
ethaderu 3:78f223d34f36 1076 struct timeval *timeout)
ethaderu 3:78f223d34f36 1077 {
ethaderu 3:78f223d34f36 1078 u32_t waitres = 0;
ethaderu 3:78f223d34f36 1079 int nready;
ethaderu 3:78f223d34f36 1080 fd_set lreadset, lwriteset, lexceptset;
ethaderu 3:78f223d34f36 1081 u32_t msectimeout;
ethaderu 3:78f223d34f36 1082 struct lwip_select_cb select_cb;
ethaderu 3:78f223d34f36 1083 err_t err;
ethaderu 3:78f223d34f36 1084 int i;
ethaderu 3:78f223d34f36 1085 SYS_ARCH_DECL_PROTECT(lev);
ethaderu 3:78f223d34f36 1086
ethaderu 3:78f223d34f36 1087 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select(%d, %p, %p, %p, tvsec=%"S32_F" tvusec=%"S32_F")\n",
ethaderu 3:78f223d34f36 1088 maxfdp1, (void *)readset, (void *) writeset, (void *) exceptset,
ethaderu 3:78f223d34f36 1089 timeout ? (s32_t)timeout->tv_sec : (s32_t)-1,
ethaderu 3:78f223d34f36 1090 timeout ? (s32_t)timeout->tv_usec : (s32_t)-1));
ethaderu 3:78f223d34f36 1091
ethaderu 3:78f223d34f36 1092 /* Go through each socket in each list to count number of sockets which
ethaderu 3:78f223d34f36 1093 currently match */
ethaderu 3:78f223d34f36 1094 nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
ethaderu 3:78f223d34f36 1095
ethaderu 3:78f223d34f36 1096 /* If we don't have any current events, then suspend if we are supposed to */
ethaderu 3:78f223d34f36 1097 if (!nready) {
ethaderu 3:78f223d34f36 1098 if (timeout && timeout->tv_sec == 0 && timeout->tv_usec == 0) {
ethaderu 3:78f223d34f36 1099 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: no timeout, returning 0\n"));
ethaderu 3:78f223d34f36 1100 /* This is OK as the local fdsets are empty and nready is zero,
ethaderu 3:78f223d34f36 1101 or we would have returned earlier. */
ethaderu 3:78f223d34f36 1102 goto return_copy_fdsets;
ethaderu 3:78f223d34f36 1103 }
ethaderu 3:78f223d34f36 1104
ethaderu 3:78f223d34f36 1105 /* None ready: add our semaphore to list:
ethaderu 3:78f223d34f36 1106 We don't actually need any dynamic memory. Our entry on the
ethaderu 3:78f223d34f36 1107 list is only valid while we are in this function, so it's ok
ethaderu 3:78f223d34f36 1108 to use local variables. */
ethaderu 3:78f223d34f36 1109
ethaderu 3:78f223d34f36 1110 select_cb.next = NULL;
ethaderu 3:78f223d34f36 1111 select_cb.prev = NULL;
ethaderu 3:78f223d34f36 1112 select_cb.readset = readset;
ethaderu 3:78f223d34f36 1113 select_cb.writeset = writeset;
ethaderu 3:78f223d34f36 1114 select_cb.exceptset = exceptset;
ethaderu 3:78f223d34f36 1115 select_cb.sem_signalled = 0;
ethaderu 3:78f223d34f36 1116 err = sys_sem_new(&select_cb.sem, 0);
ethaderu 3:78f223d34f36 1117 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 1118 /* failed to create semaphore */
ethaderu 3:78f223d34f36 1119 set_errno(ENOMEM);
ethaderu 3:78f223d34f36 1120 return -1;
ethaderu 3:78f223d34f36 1121 }
ethaderu 3:78f223d34f36 1122
ethaderu 3:78f223d34f36 1123 /* Protect the select_cb_list */
ethaderu 3:78f223d34f36 1124 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 1125
ethaderu 3:78f223d34f36 1126 /* Put this select_cb on top of list */
ethaderu 3:78f223d34f36 1127 select_cb.next = select_cb_list;
ethaderu 3:78f223d34f36 1128 if (select_cb_list != NULL) {
ethaderu 3:78f223d34f36 1129 select_cb_list->prev = &select_cb;
ethaderu 3:78f223d34f36 1130 }
ethaderu 3:78f223d34f36 1131 select_cb_list = &select_cb;
ethaderu 3:78f223d34f36 1132 /* Increasing this counter tells even_callback that the list has changed. */
ethaderu 3:78f223d34f36 1133 select_cb_ctr++;
ethaderu 3:78f223d34f36 1134
ethaderu 3:78f223d34f36 1135 /* Now we can safely unprotect */
ethaderu 3:78f223d34f36 1136 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1137
ethaderu 3:78f223d34f36 1138 /* Increase select_waiting for each socket we are interested in */
ethaderu 3:78f223d34f36 1139 for(i = 0; i < maxfdp1; i++) {
ethaderu 3:78f223d34f36 1140 if ((readset && FD_ISSET(i, readset)) ||
ethaderu 3:78f223d34f36 1141 (writeset && FD_ISSET(i, writeset)) ||
ethaderu 3:78f223d34f36 1142 (exceptset && FD_ISSET(i, exceptset))) {
ethaderu 3:78f223d34f36 1143 struct lwip_sock *sock = tryget_socket(i);
ethaderu 3:78f223d34f36 1144 LWIP_ASSERT("sock != NULL", sock != NULL);
ethaderu 3:78f223d34f36 1145 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 1146 sock->select_waiting++;
ethaderu 3:78f223d34f36 1147 LWIP_ASSERT("sock->select_waiting > 0", sock->select_waiting > 0);
ethaderu 3:78f223d34f36 1148 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1149 }
ethaderu 3:78f223d34f36 1150 }
ethaderu 3:78f223d34f36 1151
ethaderu 3:78f223d34f36 1152 /* Call lwip_selscan again: there could have been events between
ethaderu 3:78f223d34f36 1153 the last scan (whithout us on the list) and putting us on the list! */
ethaderu 3:78f223d34f36 1154 nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
ethaderu 3:78f223d34f36 1155 if (!nready) {
ethaderu 3:78f223d34f36 1156 /* Still none ready, just wait to be woken */
ethaderu 3:78f223d34f36 1157 if (timeout == 0) {
ethaderu 3:78f223d34f36 1158 /* Wait forever */
ethaderu 3:78f223d34f36 1159 msectimeout = 0;
ethaderu 3:78f223d34f36 1160 } else {
ethaderu 3:78f223d34f36 1161 msectimeout = ((timeout->tv_sec * 1000) + ((timeout->tv_usec + 500)/1000));
ethaderu 3:78f223d34f36 1162 if (msectimeout == 0) {
ethaderu 3:78f223d34f36 1163 /* Wait 1ms at least (0 means wait forever) */
ethaderu 3:78f223d34f36 1164 msectimeout = 1;
ethaderu 3:78f223d34f36 1165 }
ethaderu 3:78f223d34f36 1166 }
ethaderu 3:78f223d34f36 1167
ethaderu 3:78f223d34f36 1168 waitres = sys_arch_sem_wait(&select_cb.sem, msectimeout);
ethaderu 3:78f223d34f36 1169 }
ethaderu 3:78f223d34f36 1170 /* Increase select_waiting for each socket we are interested in */
ethaderu 3:78f223d34f36 1171 for(i = 0; i < maxfdp1; i++) {
ethaderu 3:78f223d34f36 1172 if ((readset && FD_ISSET(i, readset)) ||
ethaderu 3:78f223d34f36 1173 (writeset && FD_ISSET(i, writeset)) ||
ethaderu 3:78f223d34f36 1174 (exceptset && FD_ISSET(i, exceptset))) {
ethaderu 3:78f223d34f36 1175 struct lwip_sock *sock = tryget_socket(i);
ethaderu 3:78f223d34f36 1176 LWIP_ASSERT("sock != NULL", sock != NULL);
ethaderu 3:78f223d34f36 1177 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 1178 sock->select_waiting--;
ethaderu 3:78f223d34f36 1179 LWIP_ASSERT("sock->select_waiting >= 0", sock->select_waiting >= 0);
ethaderu 3:78f223d34f36 1180 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1181 }
ethaderu 3:78f223d34f36 1182 }
ethaderu 3:78f223d34f36 1183 /* Take us off the list */
ethaderu 3:78f223d34f36 1184 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 1185 if (select_cb.next != NULL) {
ethaderu 3:78f223d34f36 1186 select_cb.next->prev = select_cb.prev;
ethaderu 3:78f223d34f36 1187 }
ethaderu 3:78f223d34f36 1188 if (select_cb_list == &select_cb) {
ethaderu 3:78f223d34f36 1189 LWIP_ASSERT("select_cb.prev == NULL", select_cb.prev == NULL);
ethaderu 3:78f223d34f36 1190 select_cb_list = select_cb.next;
ethaderu 3:78f223d34f36 1191 } else {
ethaderu 3:78f223d34f36 1192 LWIP_ASSERT("select_cb.prev != NULL", select_cb.prev != NULL);
ethaderu 3:78f223d34f36 1193 select_cb.prev->next = select_cb.next;
ethaderu 3:78f223d34f36 1194 }
ethaderu 3:78f223d34f36 1195 /* Increasing this counter tells even_callback that the list has changed. */
ethaderu 3:78f223d34f36 1196 select_cb_ctr++;
ethaderu 3:78f223d34f36 1197 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1198
ethaderu 3:78f223d34f36 1199 sys_sem_free(&select_cb.sem);
ethaderu 3:78f223d34f36 1200 if (waitres == SYS_ARCH_TIMEOUT) {
ethaderu 3:78f223d34f36 1201 /* Timeout */
ethaderu 3:78f223d34f36 1202 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: timeout expired\n"));
ethaderu 3:78f223d34f36 1203 /* This is OK as the local fdsets are empty and nready is zero,
ethaderu 3:78f223d34f36 1204 or we would have returned earlier. */
ethaderu 3:78f223d34f36 1205 goto return_copy_fdsets;
ethaderu 3:78f223d34f36 1206 }
ethaderu 3:78f223d34f36 1207
ethaderu 3:78f223d34f36 1208 /* See what's set */
ethaderu 3:78f223d34f36 1209 nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
ethaderu 3:78f223d34f36 1210 }
ethaderu 3:78f223d34f36 1211
ethaderu 3:78f223d34f36 1212 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: nready=%d\n", nready));
ethaderu 3:78f223d34f36 1213 return_copy_fdsets:
ethaderu 3:78f223d34f36 1214 set_errno(0);
ethaderu 3:78f223d34f36 1215 if (readset) {
ethaderu 3:78f223d34f36 1216 *readset = lreadset;
ethaderu 3:78f223d34f36 1217 }
ethaderu 3:78f223d34f36 1218 if (writeset) {
ethaderu 3:78f223d34f36 1219 *writeset = lwriteset;
ethaderu 3:78f223d34f36 1220 }
ethaderu 3:78f223d34f36 1221 if (exceptset) {
ethaderu 3:78f223d34f36 1222 *exceptset = lexceptset;
ethaderu 3:78f223d34f36 1223 }
ethaderu 3:78f223d34f36 1224
ethaderu 3:78f223d34f36 1225
ethaderu 3:78f223d34f36 1226 return nready;
ethaderu 3:78f223d34f36 1227 }
ethaderu 3:78f223d34f36 1228
ethaderu 3:78f223d34f36 1229 /**
ethaderu 3:78f223d34f36 1230 * Callback registered in the netconn layer for each socket-netconn.
ethaderu 3:78f223d34f36 1231 * Processes recvevent (data available) and wakes up tasks waiting for select.
ethaderu 3:78f223d34f36 1232 */
ethaderu 3:78f223d34f36 1233 static void
ethaderu 3:78f223d34f36 1234 event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
ethaderu 3:78f223d34f36 1235 {
ethaderu 3:78f223d34f36 1236 int s;
ethaderu 3:78f223d34f36 1237 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 1238 struct lwip_select_cb *scb;
ethaderu 3:78f223d34f36 1239 int last_select_cb_ctr;
ethaderu 3:78f223d34f36 1240 SYS_ARCH_DECL_PROTECT(lev);
ethaderu 3:78f223d34f36 1241
ethaderu 3:78f223d34f36 1242 LWIP_UNUSED_ARG(len);
ethaderu 3:78f223d34f36 1243
ethaderu 3:78f223d34f36 1244 /* Get socket */
ethaderu 3:78f223d34f36 1245 if (conn) {
ethaderu 3:78f223d34f36 1246 s = conn->socket;
ethaderu 3:78f223d34f36 1247 if (s < 0) {
ethaderu 3:78f223d34f36 1248 /* Data comes in right away after an accept, even though
ethaderu 3:78f223d34f36 1249 * the server task might not have created a new socket yet.
ethaderu 3:78f223d34f36 1250 * Just count down (or up) if that's the case and we
ethaderu 3:78f223d34f36 1251 * will use the data later. Note that only receive events
ethaderu 3:78f223d34f36 1252 * can happen before the new socket is set up. */
ethaderu 3:78f223d34f36 1253 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 1254 if (conn->socket < 0) {
ethaderu 3:78f223d34f36 1255 if (evt == NETCONN_EVT_RCVPLUS) {
ethaderu 3:78f223d34f36 1256 conn->socket--;
ethaderu 3:78f223d34f36 1257 }
ethaderu 3:78f223d34f36 1258 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1259 return;
ethaderu 3:78f223d34f36 1260 }
ethaderu 3:78f223d34f36 1261 s = conn->socket;
ethaderu 3:78f223d34f36 1262 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1263 }
ethaderu 3:78f223d34f36 1264
ethaderu 3:78f223d34f36 1265 sock = get_socket(s);
ethaderu 3:78f223d34f36 1266 if (!sock) {
ethaderu 3:78f223d34f36 1267 return;
ethaderu 3:78f223d34f36 1268 }
ethaderu 3:78f223d34f36 1269 } else {
ethaderu 3:78f223d34f36 1270 return;
ethaderu 3:78f223d34f36 1271 }
ethaderu 3:78f223d34f36 1272
ethaderu 3:78f223d34f36 1273 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 1274 /* Set event as required */
ethaderu 3:78f223d34f36 1275 switch (evt) {
ethaderu 3:78f223d34f36 1276 case NETCONN_EVT_RCVPLUS:
ethaderu 3:78f223d34f36 1277 sock->rcvevent++;
ethaderu 3:78f223d34f36 1278 break;
ethaderu 3:78f223d34f36 1279 case NETCONN_EVT_RCVMINUS:
ethaderu 3:78f223d34f36 1280 sock->rcvevent--;
ethaderu 3:78f223d34f36 1281 break;
ethaderu 3:78f223d34f36 1282 case NETCONN_EVT_SENDPLUS:
ethaderu 3:78f223d34f36 1283 sock->sendevent = 1;
ethaderu 3:78f223d34f36 1284 break;
ethaderu 3:78f223d34f36 1285 case NETCONN_EVT_SENDMINUS:
ethaderu 3:78f223d34f36 1286 sock->sendevent = 0;
ethaderu 3:78f223d34f36 1287 break;
ethaderu 3:78f223d34f36 1288 case NETCONN_EVT_ERROR:
ethaderu 3:78f223d34f36 1289 sock->errevent = 1;
ethaderu 3:78f223d34f36 1290 break;
ethaderu 3:78f223d34f36 1291 default:
ethaderu 3:78f223d34f36 1292 LWIP_ASSERT("unknown event", 0);
ethaderu 3:78f223d34f36 1293 break;
ethaderu 3:78f223d34f36 1294 }
ethaderu 3:78f223d34f36 1295
ethaderu 3:78f223d34f36 1296 if (sock->select_waiting == 0) {
ethaderu 3:78f223d34f36 1297 /* noone is waiting for this socket, no need to check select_cb_list */
ethaderu 3:78f223d34f36 1298 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1299 return;
ethaderu 3:78f223d34f36 1300 }
ethaderu 3:78f223d34f36 1301
ethaderu 3:78f223d34f36 1302 /* Now decide if anyone is waiting for this socket */
ethaderu 3:78f223d34f36 1303 /* NOTE: This code goes through the select_cb_list list multiple times
ethaderu 3:78f223d34f36 1304 ONLY IF a select was actually waiting. We go through the list the number
ethaderu 3:78f223d34f36 1305 of waiting select calls + 1. This list is expected to be small. */
ethaderu 3:78f223d34f36 1306
ethaderu 3:78f223d34f36 1307 /* At this point, SYS_ARCH is still protected! */
ethaderu 3:78f223d34f36 1308 again:
ethaderu 3:78f223d34f36 1309 for (scb = select_cb_list; scb != NULL; scb = scb->next) {
ethaderu 3:78f223d34f36 1310 if (scb->sem_signalled == 0) {
ethaderu 3:78f223d34f36 1311 /* semaphore not signalled yet */
ethaderu 3:78f223d34f36 1312 int do_signal = 0;
ethaderu 3:78f223d34f36 1313 /* Test this select call for our socket */
ethaderu 3:78f223d34f36 1314 if (sock->rcvevent > 0) {
ethaderu 3:78f223d34f36 1315 if (scb->readset && FD_ISSET(s, scb->readset)) {
ethaderu 3:78f223d34f36 1316 do_signal = 1;
ethaderu 3:78f223d34f36 1317 }
ethaderu 3:78f223d34f36 1318 }
ethaderu 3:78f223d34f36 1319 if (sock->sendevent != 0) {
ethaderu 3:78f223d34f36 1320 if (!do_signal && scb->writeset && FD_ISSET(s, scb->writeset)) {
ethaderu 3:78f223d34f36 1321 do_signal = 1;
ethaderu 3:78f223d34f36 1322 }
ethaderu 3:78f223d34f36 1323 }
ethaderu 3:78f223d34f36 1324 if (sock->errevent != 0) {
ethaderu 3:78f223d34f36 1325 if (!do_signal && scb->exceptset && FD_ISSET(s, scb->exceptset)) {
ethaderu 3:78f223d34f36 1326 do_signal = 1;
ethaderu 3:78f223d34f36 1327 }
ethaderu 3:78f223d34f36 1328 }
ethaderu 3:78f223d34f36 1329 if (do_signal) {
ethaderu 3:78f223d34f36 1330 scb->sem_signalled = 1;
ethaderu 3:78f223d34f36 1331 /* Don't call SYS_ARCH_UNPROTECT() before signaling the semaphore, as this might
ethaderu 3:78f223d34f36 1332 lead to the select thread taking itself off the list, invalidagin the semaphore. */
ethaderu 3:78f223d34f36 1333 sys_sem_signal(&scb->sem);
ethaderu 3:78f223d34f36 1334 }
ethaderu 3:78f223d34f36 1335 }
ethaderu 3:78f223d34f36 1336 /* unlock interrupts with each step */
ethaderu 3:78f223d34f36 1337 last_select_cb_ctr = select_cb_ctr;
ethaderu 3:78f223d34f36 1338 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1339 /* this makes sure interrupt protection time is short */
ethaderu 3:78f223d34f36 1340 SYS_ARCH_PROTECT(lev);
ethaderu 3:78f223d34f36 1341 if (last_select_cb_ctr != select_cb_ctr) {
ethaderu 3:78f223d34f36 1342 /* someone has changed select_cb_list, restart at the beginning */
ethaderu 3:78f223d34f36 1343 goto again;
ethaderu 3:78f223d34f36 1344 }
ethaderu 3:78f223d34f36 1345 }
ethaderu 3:78f223d34f36 1346 SYS_ARCH_UNPROTECT(lev);
ethaderu 3:78f223d34f36 1347 }
ethaderu 3:78f223d34f36 1348
ethaderu 3:78f223d34f36 1349 /**
ethaderu 3:78f223d34f36 1350 * Unimplemented: Close one end of a full-duplex connection.
ethaderu 3:78f223d34f36 1351 * Currently, the full connection is closed.
ethaderu 3:78f223d34f36 1352 */
ethaderu 3:78f223d34f36 1353 int
ethaderu 3:78f223d34f36 1354 lwip_shutdown(int s, int how)
ethaderu 3:78f223d34f36 1355 {
ethaderu 3:78f223d34f36 1356 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 1357 err_t err;
ethaderu 3:78f223d34f36 1358 u8_t shut_rx = 0, shut_tx = 0;
ethaderu 3:78f223d34f36 1359
ethaderu 3:78f223d34f36 1360 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_shutdown(%d, how=%d)\n", s, how));
ethaderu 3:78f223d34f36 1361
ethaderu 3:78f223d34f36 1362 sock = get_socket(s);
ethaderu 3:78f223d34f36 1363 if (!sock) {
ethaderu 3:78f223d34f36 1364 return -1;
ethaderu 3:78f223d34f36 1365 }
ethaderu 3:78f223d34f36 1366
ethaderu 3:78f223d34f36 1367 if (sock->conn != NULL) {
ethaderu 3:78f223d34f36 1368 if (netconn_type(sock->conn) != NETCONN_TCP) {
ethaderu 3:78f223d34f36 1369 sock_set_errno(sock, EOPNOTSUPP);
ethaderu 3:78f223d34f36 1370 return EOPNOTSUPP;
ethaderu 3:78f223d34f36 1371 }
ethaderu 3:78f223d34f36 1372 } else {
ethaderu 3:78f223d34f36 1373 sock_set_errno(sock, ENOTCONN);
ethaderu 3:78f223d34f36 1374 return ENOTCONN;
ethaderu 3:78f223d34f36 1375 }
ethaderu 3:78f223d34f36 1376
ethaderu 3:78f223d34f36 1377 if (how == SHUT_RD) {
ethaderu 3:78f223d34f36 1378 shut_rx = 1;
ethaderu 3:78f223d34f36 1379 } else if (how == SHUT_WR) {
ethaderu 3:78f223d34f36 1380 shut_tx = 1;
ethaderu 3:78f223d34f36 1381 } else if(how == SHUT_RDWR) {
ethaderu 3:78f223d34f36 1382 shut_rx = 1;
ethaderu 3:78f223d34f36 1383 shut_tx = 1;
ethaderu 3:78f223d34f36 1384 } else {
ethaderu 3:78f223d34f36 1385 sock_set_errno(sock, EINVAL);
ethaderu 3:78f223d34f36 1386 return EINVAL;
ethaderu 3:78f223d34f36 1387 }
ethaderu 3:78f223d34f36 1388 err = netconn_shutdown(sock->conn, shut_rx, shut_tx);
ethaderu 3:78f223d34f36 1389
ethaderu 3:78f223d34f36 1390 sock_set_errno(sock, err_to_errno(err));
ethaderu 3:78f223d34f36 1391 return (err == ERR_OK ? 0 : -1);
ethaderu 3:78f223d34f36 1392 }
ethaderu 3:78f223d34f36 1393
ethaderu 3:78f223d34f36 1394 static int
ethaderu 3:78f223d34f36 1395 lwip_getaddrname(int s, struct sockaddr *name, socklen_t *namelen, u8_t local)
ethaderu 3:78f223d34f36 1396 {
ethaderu 3:78f223d34f36 1397 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 1398 struct sockaddr_in sin;
ethaderu 3:78f223d34f36 1399 ip_addr_t naddr;
ethaderu 3:78f223d34f36 1400
ethaderu 3:78f223d34f36 1401 sock = get_socket(s);
ethaderu 3:78f223d34f36 1402 if (!sock) {
ethaderu 3:78f223d34f36 1403 return -1;
ethaderu 3:78f223d34f36 1404 }
ethaderu 3:78f223d34f36 1405
ethaderu 3:78f223d34f36 1406 memset(&sin, 0, sizeof(sin));
ethaderu 3:78f223d34f36 1407 sin.sin_len = sizeof(sin);
ethaderu 3:78f223d34f36 1408 sin.sin_family = AF_INET;
ethaderu 3:78f223d34f36 1409
ethaderu 3:78f223d34f36 1410 /* get the IP address and port */
ethaderu 3:78f223d34f36 1411 netconn_getaddr(sock->conn, &naddr, &sin.sin_port, local);
ethaderu 3:78f223d34f36 1412
ethaderu 3:78f223d34f36 1413 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getaddrname(%d, addr=", s));
ethaderu 3:78f223d34f36 1414 ip_addr_debug_print(SOCKETS_DEBUG, &naddr);
ethaderu 3:78f223d34f36 1415 LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", sin.sin_port));
ethaderu 3:78f223d34f36 1416
ethaderu 3:78f223d34f36 1417 sin.sin_port = htons(sin.sin_port);
ethaderu 3:78f223d34f36 1418 inet_addr_from_ipaddr(&sin.sin_addr, &naddr);
ethaderu 3:78f223d34f36 1419
ethaderu 3:78f223d34f36 1420 if (*namelen > sizeof(sin)) {
ethaderu 3:78f223d34f36 1421 *namelen = sizeof(sin);
ethaderu 3:78f223d34f36 1422 }
ethaderu 3:78f223d34f36 1423
ethaderu 3:78f223d34f36 1424 MEMCPY(name, &sin, *namelen);
ethaderu 3:78f223d34f36 1425 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 1426 return 0;
ethaderu 3:78f223d34f36 1427 }
ethaderu 3:78f223d34f36 1428
ethaderu 3:78f223d34f36 1429 int
ethaderu 3:78f223d34f36 1430 lwip_getpeername(int s, struct sockaddr *name, socklen_t *namelen)
ethaderu 3:78f223d34f36 1431 {
ethaderu 3:78f223d34f36 1432 return lwip_getaddrname(s, name, namelen, 0);
ethaderu 3:78f223d34f36 1433 }
ethaderu 3:78f223d34f36 1434
ethaderu 3:78f223d34f36 1435 int
ethaderu 3:78f223d34f36 1436 lwip_getsockname(int s, struct sockaddr *name, socklen_t *namelen)
ethaderu 3:78f223d34f36 1437 {
ethaderu 3:78f223d34f36 1438 return lwip_getaddrname(s, name, namelen, 1);
ethaderu 3:78f223d34f36 1439 }
ethaderu 3:78f223d34f36 1440
ethaderu 3:78f223d34f36 1441 int
ethaderu 3:78f223d34f36 1442 lwip_getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
ethaderu 3:78f223d34f36 1443 {
ethaderu 3:78f223d34f36 1444 err_t err = ERR_OK;
ethaderu 3:78f223d34f36 1445 struct lwip_sock *sock = get_socket(s);
ethaderu 3:78f223d34f36 1446 struct lwip_setgetsockopt_data data;
ethaderu 3:78f223d34f36 1447
ethaderu 3:78f223d34f36 1448 if (!sock) {
ethaderu 3:78f223d34f36 1449 return -1;
ethaderu 3:78f223d34f36 1450 }
ethaderu 3:78f223d34f36 1451
ethaderu 3:78f223d34f36 1452 if ((NULL == optval) || (NULL == optlen)) {
ethaderu 3:78f223d34f36 1453 sock_set_errno(sock, EFAULT);
ethaderu 3:78f223d34f36 1454 return -1;
ethaderu 3:78f223d34f36 1455 }
ethaderu 3:78f223d34f36 1456
ethaderu 3:78f223d34f36 1457 /* Do length and type checks for the various options first, to keep it readable. */
ethaderu 3:78f223d34f36 1458 switch (level) {
ethaderu 3:78f223d34f36 1459
ethaderu 3:78f223d34f36 1460 /* Level: SOL_SOCKET */
ethaderu 3:78f223d34f36 1461 case SOL_SOCKET:
ethaderu 3:78f223d34f36 1462 switch (optname) {
ethaderu 3:78f223d34f36 1463
ethaderu 3:78f223d34f36 1464 case SO_ACCEPTCONN:
ethaderu 3:78f223d34f36 1465 case SO_BROADCAST:
ethaderu 3:78f223d34f36 1466 /* UNIMPL case SO_DEBUG: */
ethaderu 3:78f223d34f36 1467 /* UNIMPL case SO_DONTROUTE: */
ethaderu 3:78f223d34f36 1468 case SO_ERROR:
ethaderu 3:78f223d34f36 1469 case SO_KEEPALIVE:
ethaderu 3:78f223d34f36 1470 /* UNIMPL case SO_CONTIMEO: */
ethaderu 3:78f223d34f36 1471 /* UNIMPL case SO_SNDTIMEO: */
ethaderu 3:78f223d34f36 1472 #if LWIP_SO_RCVTIMEO
ethaderu 3:78f223d34f36 1473 case SO_RCVTIMEO:
ethaderu 3:78f223d34f36 1474 #endif /* LWIP_SO_RCVTIMEO */
ethaderu 3:78f223d34f36 1475 #if LWIP_SO_RCVBUF
ethaderu 3:78f223d34f36 1476 case SO_RCVBUF:
ethaderu 3:78f223d34f36 1477 #endif /* LWIP_SO_RCVBUF */
ethaderu 3:78f223d34f36 1478 /* UNIMPL case SO_OOBINLINE: */
ethaderu 3:78f223d34f36 1479 /* UNIMPL case SO_SNDBUF: */
ethaderu 3:78f223d34f36 1480 /* UNIMPL case SO_RCVLOWAT: */
ethaderu 3:78f223d34f36 1481 /* UNIMPL case SO_SNDLOWAT: */
ethaderu 3:78f223d34f36 1482 #if SO_REUSE
ethaderu 3:78f223d34f36 1483 case SO_REUSEADDR:
ethaderu 3:78f223d34f36 1484 case SO_REUSEPORT:
ethaderu 3:78f223d34f36 1485 #endif /* SO_REUSE */
ethaderu 3:78f223d34f36 1486 case SO_TYPE:
ethaderu 3:78f223d34f36 1487 /* UNIMPL case SO_USELOOPBACK: */
ethaderu 3:78f223d34f36 1488 if (*optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1489 err = EINVAL;
ethaderu 3:78f223d34f36 1490 }
ethaderu 3:78f223d34f36 1491 break;
ethaderu 3:78f223d34f36 1492
ethaderu 3:78f223d34f36 1493 case SO_NO_CHECK:
ethaderu 3:78f223d34f36 1494 if (*optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1495 err = EINVAL;
ethaderu 3:78f223d34f36 1496 }
ethaderu 3:78f223d34f36 1497 #if LWIP_UDP
ethaderu 3:78f223d34f36 1498 if ((sock->conn->type != NETCONN_UDP) ||
ethaderu 3:78f223d34f36 1499 ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) {
ethaderu 3:78f223d34f36 1500 /* this flag is only available for UDP, not for UDP lite */
ethaderu 3:78f223d34f36 1501 err = EAFNOSUPPORT;
ethaderu 3:78f223d34f36 1502 }
ethaderu 3:78f223d34f36 1503 #endif /* LWIP_UDP */
ethaderu 3:78f223d34f36 1504 break;
ethaderu 3:78f223d34f36 1505
ethaderu 3:78f223d34f36 1506 default:
ethaderu 3:78f223d34f36 1507 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 1508 s, optname));
ethaderu 3:78f223d34f36 1509 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 1510 } /* switch (optname) */
ethaderu 3:78f223d34f36 1511 break;
ethaderu 3:78f223d34f36 1512
ethaderu 3:78f223d34f36 1513 /* Level: IPPROTO_IP */
ethaderu 3:78f223d34f36 1514 case IPPROTO_IP:
ethaderu 3:78f223d34f36 1515 switch (optname) {
ethaderu 3:78f223d34f36 1516 /* UNIMPL case IP_HDRINCL: */
ethaderu 3:78f223d34f36 1517 /* UNIMPL case IP_RCVDSTADDR: */
ethaderu 3:78f223d34f36 1518 /* UNIMPL case IP_RCVIF: */
ethaderu 3:78f223d34f36 1519 case IP_TTL:
ethaderu 3:78f223d34f36 1520 case IP_TOS:
ethaderu 3:78f223d34f36 1521 if (*optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1522 err = EINVAL;
ethaderu 3:78f223d34f36 1523 }
ethaderu 3:78f223d34f36 1524 break;
ethaderu 3:78f223d34f36 1525 #if LWIP_IGMP
ethaderu 3:78f223d34f36 1526 case IP_MULTICAST_TTL:
ethaderu 3:78f223d34f36 1527 if (*optlen < sizeof(u8_t)) {
ethaderu 3:78f223d34f36 1528 err = EINVAL;
ethaderu 3:78f223d34f36 1529 }
ethaderu 3:78f223d34f36 1530 break;
ethaderu 3:78f223d34f36 1531 case IP_MULTICAST_IF:
ethaderu 3:78f223d34f36 1532 if (*optlen < sizeof(struct in_addr)) {
ethaderu 3:78f223d34f36 1533 err = EINVAL;
ethaderu 3:78f223d34f36 1534 }
ethaderu 3:78f223d34f36 1535 break;
ethaderu 3:78f223d34f36 1536 case IP_MULTICAST_LOOP:
ethaderu 3:78f223d34f36 1537 if (*optlen < sizeof(u8_t)) {
ethaderu 3:78f223d34f36 1538 err = EINVAL;
ethaderu 3:78f223d34f36 1539 }
ethaderu 3:78f223d34f36 1540 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
ethaderu 3:78f223d34f36 1541 err = EAFNOSUPPORT;
ethaderu 3:78f223d34f36 1542 }
ethaderu 3:78f223d34f36 1543 break;
ethaderu 3:78f223d34f36 1544 #endif /* LWIP_IGMP */
ethaderu 3:78f223d34f36 1545
ethaderu 3:78f223d34f36 1546 default:
ethaderu 3:78f223d34f36 1547 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 1548 s, optname));
ethaderu 3:78f223d34f36 1549 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 1550 } /* switch (optname) */
ethaderu 3:78f223d34f36 1551 break;
ethaderu 3:78f223d34f36 1552
ethaderu 3:78f223d34f36 1553 #if LWIP_TCP
ethaderu 3:78f223d34f36 1554 /* Level: IPPROTO_TCP */
ethaderu 3:78f223d34f36 1555 case IPPROTO_TCP:
ethaderu 3:78f223d34f36 1556 if (*optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1557 err = EINVAL;
ethaderu 3:78f223d34f36 1558 break;
ethaderu 3:78f223d34f36 1559 }
ethaderu 3:78f223d34f36 1560
ethaderu 3:78f223d34f36 1561 /* If this is no TCP socket, ignore any options. */
ethaderu 3:78f223d34f36 1562 if (sock->conn->type != NETCONN_TCP)
ethaderu 3:78f223d34f36 1563 return 0;
ethaderu 3:78f223d34f36 1564
ethaderu 3:78f223d34f36 1565 switch (optname) {
ethaderu 3:78f223d34f36 1566 case TCP_NODELAY:
ethaderu 3:78f223d34f36 1567 case TCP_KEEPALIVE:
ethaderu 3:78f223d34f36 1568 #if LWIP_TCP_KEEPALIVE
ethaderu 3:78f223d34f36 1569 case TCP_KEEPIDLE:
ethaderu 3:78f223d34f36 1570 case TCP_KEEPINTVL:
ethaderu 3:78f223d34f36 1571 case TCP_KEEPCNT:
ethaderu 3:78f223d34f36 1572 #endif /* LWIP_TCP_KEEPALIVE */
ethaderu 3:78f223d34f36 1573 break;
ethaderu 3:78f223d34f36 1574
ethaderu 3:78f223d34f36 1575 default:
ethaderu 3:78f223d34f36 1576 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 1577 s, optname));
ethaderu 3:78f223d34f36 1578 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 1579 } /* switch (optname) */
ethaderu 3:78f223d34f36 1580 break;
ethaderu 3:78f223d34f36 1581 #endif /* LWIP_TCP */
ethaderu 3:78f223d34f36 1582 #if LWIP_UDP && LWIP_UDPLITE
ethaderu 3:78f223d34f36 1583 /* Level: IPPROTO_UDPLITE */
ethaderu 3:78f223d34f36 1584 case IPPROTO_UDPLITE:
ethaderu 3:78f223d34f36 1585 if (*optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1586 err = EINVAL;
ethaderu 3:78f223d34f36 1587 break;
ethaderu 3:78f223d34f36 1588 }
ethaderu 3:78f223d34f36 1589
ethaderu 3:78f223d34f36 1590 /* If this is no UDP lite socket, ignore any options. */
ethaderu 3:78f223d34f36 1591 if (sock->conn->type != NETCONN_UDPLITE) {
ethaderu 3:78f223d34f36 1592 return 0;
ethaderu 3:78f223d34f36 1593 }
ethaderu 3:78f223d34f36 1594
ethaderu 3:78f223d34f36 1595 switch (optname) {
ethaderu 3:78f223d34f36 1596 case UDPLITE_SEND_CSCOV:
ethaderu 3:78f223d34f36 1597 case UDPLITE_RECV_CSCOV:
ethaderu 3:78f223d34f36 1598 break;
ethaderu 3:78f223d34f36 1599
ethaderu 3:78f223d34f36 1600 default:
ethaderu 3:78f223d34f36 1601 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 1602 s, optname));
ethaderu 3:78f223d34f36 1603 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 1604 } /* switch (optname) */
ethaderu 3:78f223d34f36 1605 break;
ethaderu 3:78f223d34f36 1606 #endif /* LWIP_UDP && LWIP_UDPLITE*/
ethaderu 3:78f223d34f36 1607 /* UNDEFINED LEVEL */
ethaderu 3:78f223d34f36 1608 default:
ethaderu 3:78f223d34f36 1609 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 1610 s, level, optname));
ethaderu 3:78f223d34f36 1611 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 1612 } /* switch */
ethaderu 3:78f223d34f36 1613
ethaderu 3:78f223d34f36 1614
ethaderu 3:78f223d34f36 1615 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 1616 sock_set_errno(sock, err);
ethaderu 3:78f223d34f36 1617 return -1;
ethaderu 3:78f223d34f36 1618 }
ethaderu 3:78f223d34f36 1619
ethaderu 3:78f223d34f36 1620 /* Now do the actual option processing */
ethaderu 3:78f223d34f36 1621 data.sock = sock;
ethaderu 3:78f223d34f36 1622 #ifdef LWIP_DEBUG
ethaderu 3:78f223d34f36 1623 data.s = s;
ethaderu 3:78f223d34f36 1624 #endif /* LWIP_DEBUG */
ethaderu 3:78f223d34f36 1625 data.level = level;
ethaderu 3:78f223d34f36 1626 data.optname = optname;
ethaderu 3:78f223d34f36 1627 data.optval = optval;
ethaderu 3:78f223d34f36 1628 data.optlen = optlen;
ethaderu 3:78f223d34f36 1629 data.err = err;
ethaderu 3:78f223d34f36 1630 tcpip_callback(lwip_getsockopt_internal, &data);
ethaderu 3:78f223d34f36 1631 sys_arch_sem_wait(&sock->conn->op_completed, 0);
ethaderu 3:78f223d34f36 1632 /* maybe lwip_getsockopt_internal has changed err */
ethaderu 3:78f223d34f36 1633 err = data.err;
ethaderu 3:78f223d34f36 1634
ethaderu 3:78f223d34f36 1635 sock_set_errno(sock, err);
ethaderu 3:78f223d34f36 1636 return err ? -1 : 0;
ethaderu 3:78f223d34f36 1637 }
ethaderu 3:78f223d34f36 1638
ethaderu 3:78f223d34f36 1639 static void
ethaderu 3:78f223d34f36 1640 lwip_getsockopt_internal(void *arg)
ethaderu 3:78f223d34f36 1641 {
ethaderu 3:78f223d34f36 1642 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 1643 #ifdef LWIP_DEBUG
ethaderu 3:78f223d34f36 1644 int s;
ethaderu 3:78f223d34f36 1645 #endif /* LWIP_DEBUG */
ethaderu 3:78f223d34f36 1646 int level, optname;
ethaderu 3:78f223d34f36 1647 void *optval;
ethaderu 3:78f223d34f36 1648 struct lwip_setgetsockopt_data *data;
ethaderu 3:78f223d34f36 1649
ethaderu 3:78f223d34f36 1650 LWIP_ASSERT("arg != NULL", arg != NULL);
ethaderu 3:78f223d34f36 1651
ethaderu 3:78f223d34f36 1652 data = (struct lwip_setgetsockopt_data*)arg;
ethaderu 3:78f223d34f36 1653 sock = data->sock;
ethaderu 3:78f223d34f36 1654 #ifdef LWIP_DEBUG
ethaderu 3:78f223d34f36 1655 s = data->s;
ethaderu 3:78f223d34f36 1656 #endif /* LWIP_DEBUG */
ethaderu 3:78f223d34f36 1657 level = data->level;
ethaderu 3:78f223d34f36 1658 optname = data->optname;
ethaderu 3:78f223d34f36 1659 optval = data->optval;
ethaderu 3:78f223d34f36 1660
ethaderu 3:78f223d34f36 1661 switch (level) {
ethaderu 3:78f223d34f36 1662
ethaderu 3:78f223d34f36 1663 /* Level: SOL_SOCKET */
ethaderu 3:78f223d34f36 1664 case SOL_SOCKET:
ethaderu 3:78f223d34f36 1665 switch (optname) {
ethaderu 3:78f223d34f36 1666
ethaderu 3:78f223d34f36 1667 /* The option flags */
ethaderu 3:78f223d34f36 1668 case SO_ACCEPTCONN:
ethaderu 3:78f223d34f36 1669 case SO_BROADCAST:
ethaderu 3:78f223d34f36 1670 /* UNIMPL case SO_DEBUG: */
ethaderu 3:78f223d34f36 1671 /* UNIMPL case SO_DONTROUTE: */
ethaderu 3:78f223d34f36 1672 case SO_KEEPALIVE:
ethaderu 3:78f223d34f36 1673 /* UNIMPL case SO_OOBINCLUDE: */
ethaderu 3:78f223d34f36 1674 #if SO_REUSE
ethaderu 3:78f223d34f36 1675 case SO_REUSEADDR:
ethaderu 3:78f223d34f36 1676 case SO_REUSEPORT:
ethaderu 3:78f223d34f36 1677 #endif /* SO_REUSE */
ethaderu 3:78f223d34f36 1678 /*case SO_USELOOPBACK: UNIMPL */
ethaderu 3:78f223d34f36 1679 *(int*)optval = sock->conn->pcb.ip->so_options & optname;
ethaderu 3:78f223d34f36 1680 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, optname=0x%x, ..) = %s\n",
ethaderu 3:78f223d34f36 1681 s, optname, (*(int*)optval?"on":"off")));
ethaderu 3:78f223d34f36 1682 break;
ethaderu 3:78f223d34f36 1683
ethaderu 3:78f223d34f36 1684 case SO_TYPE:
ethaderu 3:78f223d34f36 1685 switch (NETCONNTYPE_GROUP(sock->conn->type)) {
ethaderu 3:78f223d34f36 1686 case NETCONN_RAW:
ethaderu 3:78f223d34f36 1687 *(int*)optval = SOCK_RAW;
ethaderu 3:78f223d34f36 1688 break;
ethaderu 3:78f223d34f36 1689 case NETCONN_TCP:
ethaderu 3:78f223d34f36 1690 *(int*)optval = SOCK_STREAM;
ethaderu 3:78f223d34f36 1691 break;
ethaderu 3:78f223d34f36 1692 case NETCONN_UDP:
ethaderu 3:78f223d34f36 1693 *(int*)optval = SOCK_DGRAM;
ethaderu 3:78f223d34f36 1694 break;
ethaderu 3:78f223d34f36 1695 default: /* unrecognized socket type */
ethaderu 3:78f223d34f36 1696 *(int*)optval = sock->conn->type;
ethaderu 3:78f223d34f36 1697 LWIP_DEBUGF(SOCKETS_DEBUG,
ethaderu 3:78f223d34f36 1698 ("lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE): unrecognized socket type %d\n",
ethaderu 3:78f223d34f36 1699 s, *(int *)optval));
ethaderu 3:78f223d34f36 1700 } /* switch (sock->conn->type) */
ethaderu 3:78f223d34f36 1701 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE) = %d\n",
ethaderu 3:78f223d34f36 1702 s, *(int *)optval));
ethaderu 3:78f223d34f36 1703 break;
ethaderu 3:78f223d34f36 1704
ethaderu 3:78f223d34f36 1705 case SO_ERROR:
ethaderu 3:78f223d34f36 1706 /* only overwrite ERR_OK or tempoary errors */
ethaderu 3:78f223d34f36 1707 if ((sock->err == 0) || (sock->err == EINPROGRESS)) {
ethaderu 3:78f223d34f36 1708 sock_set_errno(sock, err_to_errno(sock->conn->last_err));
ethaderu 3:78f223d34f36 1709 }
ethaderu 3:78f223d34f36 1710 *(int *)optval = sock->err;
ethaderu 3:78f223d34f36 1711 sock->err = 0;
ethaderu 3:78f223d34f36 1712 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n",
ethaderu 3:78f223d34f36 1713 s, *(int *)optval));
ethaderu 3:78f223d34f36 1714 break;
ethaderu 3:78f223d34f36 1715
ethaderu 3:78f223d34f36 1716 #if LWIP_SO_RCVTIMEO
ethaderu 3:78f223d34f36 1717 case SO_RCVTIMEO:
ethaderu 3:78f223d34f36 1718 *(int *)optval = netconn_get_recvtimeout(sock->conn);
ethaderu 3:78f223d34f36 1719 break;
ethaderu 3:78f223d34f36 1720 #endif /* LWIP_SO_RCVTIMEO */
ethaderu 3:78f223d34f36 1721 #if LWIP_SO_RCVBUF
ethaderu 3:78f223d34f36 1722 case SO_RCVBUF:
ethaderu 3:78f223d34f36 1723 *(int *)optval = netconn_get_recvbufsize(sock->conn);
ethaderu 3:78f223d34f36 1724 break;
ethaderu 3:78f223d34f36 1725 #endif /* LWIP_SO_RCVBUF */
ethaderu 3:78f223d34f36 1726 #if LWIP_UDP
ethaderu 3:78f223d34f36 1727 case SO_NO_CHECK:
ethaderu 3:78f223d34f36 1728 *(int*)optval = (udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_NOCHKSUM) ? 1 : 0;
ethaderu 3:78f223d34f36 1729 break;
ethaderu 3:78f223d34f36 1730 #endif /* LWIP_UDP*/
ethaderu 3:78f223d34f36 1731 default:
ethaderu 3:78f223d34f36 1732 LWIP_ASSERT("unhandled optname", 0);
ethaderu 3:78f223d34f36 1733 break;
ethaderu 3:78f223d34f36 1734 } /* switch (optname) */
ethaderu 3:78f223d34f36 1735 break;
ethaderu 3:78f223d34f36 1736
ethaderu 3:78f223d34f36 1737 /* Level: IPPROTO_IP */
ethaderu 3:78f223d34f36 1738 case IPPROTO_IP:
ethaderu 3:78f223d34f36 1739 switch (optname) {
ethaderu 3:78f223d34f36 1740 case IP_TTL:
ethaderu 3:78f223d34f36 1741 *(int*)optval = sock->conn->pcb.ip->ttl;
ethaderu 3:78f223d34f36 1742 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_TTL) = %d\n",
ethaderu 3:78f223d34f36 1743 s, *(int *)optval));
ethaderu 3:78f223d34f36 1744 break;
ethaderu 3:78f223d34f36 1745 case IP_TOS:
ethaderu 3:78f223d34f36 1746 *(int*)optval = sock->conn->pcb.ip->tos;
ethaderu 3:78f223d34f36 1747 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_TOS) = %d\n",
ethaderu 3:78f223d34f36 1748 s, *(int *)optval));
ethaderu 3:78f223d34f36 1749 break;
ethaderu 3:78f223d34f36 1750 #if LWIP_IGMP
ethaderu 3:78f223d34f36 1751 case IP_MULTICAST_TTL:
ethaderu 3:78f223d34f36 1752 *(u8_t*)optval = sock->conn->pcb.ip->ttl;
ethaderu 3:78f223d34f36 1753 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_TTL) = %d\n",
ethaderu 3:78f223d34f36 1754 s, *(int *)optval));
ethaderu 3:78f223d34f36 1755 break;
ethaderu 3:78f223d34f36 1756 case IP_MULTICAST_IF:
ethaderu 3:78f223d34f36 1757 inet_addr_from_ipaddr((struct in_addr*)optval, &sock->conn->pcb.udp->multicast_ip);
ethaderu 3:78f223d34f36 1758 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_IF) = 0x%"X32_F"\n",
ethaderu 3:78f223d34f36 1759 s, *(u32_t *)optval));
ethaderu 3:78f223d34f36 1760 break;
ethaderu 3:78f223d34f36 1761 case IP_MULTICAST_LOOP:
ethaderu 3:78f223d34f36 1762 if ((sock->conn->pcb.udp->flags & UDP_FLAGS_MULTICAST_LOOP) != 0) {
ethaderu 3:78f223d34f36 1763 *(u8_t*)optval = 1;
ethaderu 3:78f223d34f36 1764 } else {
ethaderu 3:78f223d34f36 1765 *(u8_t*)optval = 0;
ethaderu 3:78f223d34f36 1766 }
ethaderu 3:78f223d34f36 1767 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_LOOP) = %d\n",
ethaderu 3:78f223d34f36 1768 s, *(int *)optval));
ethaderu 3:78f223d34f36 1769 break;
ethaderu 3:78f223d34f36 1770 #endif /* LWIP_IGMP */
ethaderu 3:78f223d34f36 1771 default:
ethaderu 3:78f223d34f36 1772 LWIP_ASSERT("unhandled optname", 0);
ethaderu 3:78f223d34f36 1773 break;
ethaderu 3:78f223d34f36 1774 } /* switch (optname) */
ethaderu 3:78f223d34f36 1775 break;
ethaderu 3:78f223d34f36 1776
ethaderu 3:78f223d34f36 1777 #if LWIP_TCP
ethaderu 3:78f223d34f36 1778 /* Level: IPPROTO_TCP */
ethaderu 3:78f223d34f36 1779 case IPPROTO_TCP:
ethaderu 3:78f223d34f36 1780 switch (optname) {
ethaderu 3:78f223d34f36 1781 case TCP_NODELAY:
ethaderu 3:78f223d34f36 1782 *(int*)optval = tcp_nagle_disabled(sock->conn->pcb.tcp);
ethaderu 3:78f223d34f36 1783 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, TCP_NODELAY) = %s\n",
ethaderu 3:78f223d34f36 1784 s, (*(int*)optval)?"on":"off") );
ethaderu 3:78f223d34f36 1785 break;
ethaderu 3:78f223d34f36 1786 case TCP_KEEPALIVE:
ethaderu 3:78f223d34f36 1787 *(int*)optval = (int)sock->conn->pcb.tcp->keep_idle;
ethaderu 3:78f223d34f36 1788 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPALIVE) = %d\n",
ethaderu 3:78f223d34f36 1789 s, *(int *)optval));
ethaderu 3:78f223d34f36 1790 break;
ethaderu 3:78f223d34f36 1791
ethaderu 3:78f223d34f36 1792 #if LWIP_TCP_KEEPALIVE
ethaderu 3:78f223d34f36 1793 case TCP_KEEPIDLE:
ethaderu 3:78f223d34f36 1794 *(int*)optval = (int)(sock->conn->pcb.tcp->keep_idle/1000);
ethaderu 3:78f223d34f36 1795 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPIDLE) = %d\n",
ethaderu 3:78f223d34f36 1796 s, *(int *)optval));
ethaderu 3:78f223d34f36 1797 break;
ethaderu 3:78f223d34f36 1798 case TCP_KEEPINTVL:
ethaderu 3:78f223d34f36 1799 *(int*)optval = (int)(sock->conn->pcb.tcp->keep_intvl/1000);
ethaderu 3:78f223d34f36 1800 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPINTVL) = %d\n",
ethaderu 3:78f223d34f36 1801 s, *(int *)optval));
ethaderu 3:78f223d34f36 1802 break;
ethaderu 3:78f223d34f36 1803 case TCP_KEEPCNT:
ethaderu 3:78f223d34f36 1804 *(int*)optval = (int)sock->conn->pcb.tcp->keep_cnt;
ethaderu 3:78f223d34f36 1805 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPCNT) = %d\n",
ethaderu 3:78f223d34f36 1806 s, *(int *)optval));
ethaderu 3:78f223d34f36 1807 break;
ethaderu 3:78f223d34f36 1808 #endif /* LWIP_TCP_KEEPALIVE */
ethaderu 3:78f223d34f36 1809 default:
ethaderu 3:78f223d34f36 1810 LWIP_ASSERT("unhandled optname", 0);
ethaderu 3:78f223d34f36 1811 break;
ethaderu 3:78f223d34f36 1812 } /* switch (optname) */
ethaderu 3:78f223d34f36 1813 break;
ethaderu 3:78f223d34f36 1814 #endif /* LWIP_TCP */
ethaderu 3:78f223d34f36 1815 #if LWIP_UDP && LWIP_UDPLITE
ethaderu 3:78f223d34f36 1816 /* Level: IPPROTO_UDPLITE */
ethaderu 3:78f223d34f36 1817 case IPPROTO_UDPLITE:
ethaderu 3:78f223d34f36 1818 switch (optname) {
ethaderu 3:78f223d34f36 1819 case UDPLITE_SEND_CSCOV:
ethaderu 3:78f223d34f36 1820 *(int*)optval = sock->conn->pcb.udp->chksum_len_tx;
ethaderu 3:78f223d34f36 1821 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) = %d\n",
ethaderu 3:78f223d34f36 1822 s, (*(int*)optval)) );
ethaderu 3:78f223d34f36 1823 break;
ethaderu 3:78f223d34f36 1824 case UDPLITE_RECV_CSCOV:
ethaderu 3:78f223d34f36 1825 *(int*)optval = sock->conn->pcb.udp->chksum_len_rx;
ethaderu 3:78f223d34f36 1826 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) = %d\n",
ethaderu 3:78f223d34f36 1827 s, (*(int*)optval)) );
ethaderu 3:78f223d34f36 1828 break;
ethaderu 3:78f223d34f36 1829 default:
ethaderu 3:78f223d34f36 1830 LWIP_ASSERT("unhandled optname", 0);
ethaderu 3:78f223d34f36 1831 break;
ethaderu 3:78f223d34f36 1832 } /* switch (optname) */
ethaderu 3:78f223d34f36 1833 break;
ethaderu 3:78f223d34f36 1834 #endif /* LWIP_UDP */
ethaderu 3:78f223d34f36 1835 default:
ethaderu 3:78f223d34f36 1836 LWIP_ASSERT("unhandled level", 0);
ethaderu 3:78f223d34f36 1837 break;
ethaderu 3:78f223d34f36 1838 } /* switch (level) */
ethaderu 3:78f223d34f36 1839 sys_sem_signal(&sock->conn->op_completed);
ethaderu 3:78f223d34f36 1840 }
ethaderu 3:78f223d34f36 1841
ethaderu 3:78f223d34f36 1842 int
ethaderu 3:78f223d34f36 1843 lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen)
ethaderu 3:78f223d34f36 1844 {
ethaderu 3:78f223d34f36 1845 struct lwip_sock *sock = get_socket(s);
ethaderu 3:78f223d34f36 1846 err_t err = ERR_OK;
ethaderu 3:78f223d34f36 1847 struct lwip_setgetsockopt_data data;
ethaderu 3:78f223d34f36 1848
ethaderu 3:78f223d34f36 1849 if (!sock) {
ethaderu 3:78f223d34f36 1850 return -1;
ethaderu 3:78f223d34f36 1851 }
ethaderu 3:78f223d34f36 1852
ethaderu 3:78f223d34f36 1853 if (NULL == optval) {
ethaderu 3:78f223d34f36 1854 sock_set_errno(sock, EFAULT);
ethaderu 3:78f223d34f36 1855 return -1;
ethaderu 3:78f223d34f36 1856 }
ethaderu 3:78f223d34f36 1857
ethaderu 3:78f223d34f36 1858 /* Do length and type checks for the various options first, to keep it readable. */
ethaderu 3:78f223d34f36 1859 switch (level) {
ethaderu 3:78f223d34f36 1860
ethaderu 3:78f223d34f36 1861 /* Level: SOL_SOCKET */
ethaderu 3:78f223d34f36 1862 case SOL_SOCKET:
ethaderu 3:78f223d34f36 1863 switch (optname) {
ethaderu 3:78f223d34f36 1864
ethaderu 3:78f223d34f36 1865 case SO_BROADCAST:
ethaderu 3:78f223d34f36 1866 /* UNIMPL case SO_DEBUG: */
ethaderu 3:78f223d34f36 1867 /* UNIMPL case SO_DONTROUTE: */
ethaderu 3:78f223d34f36 1868 case SO_KEEPALIVE:
ethaderu 3:78f223d34f36 1869 /* UNIMPL case case SO_CONTIMEO: */
ethaderu 3:78f223d34f36 1870 /* UNIMPL case case SO_SNDTIMEO: */
ethaderu 3:78f223d34f36 1871 #if LWIP_SO_RCVTIMEO
ethaderu 3:78f223d34f36 1872 case SO_RCVTIMEO:
ethaderu 3:78f223d34f36 1873 #endif /* LWIP_SO_RCVTIMEO */
ethaderu 3:78f223d34f36 1874 #if LWIP_SO_RCVBUF
ethaderu 3:78f223d34f36 1875 case SO_RCVBUF:
ethaderu 3:78f223d34f36 1876 #endif /* LWIP_SO_RCVBUF */
ethaderu 3:78f223d34f36 1877 /* UNIMPL case SO_OOBINLINE: */
ethaderu 3:78f223d34f36 1878 /* UNIMPL case SO_SNDBUF: */
ethaderu 3:78f223d34f36 1879 /* UNIMPL case SO_RCVLOWAT: */
ethaderu 3:78f223d34f36 1880 /* UNIMPL case SO_SNDLOWAT: */
ethaderu 3:78f223d34f36 1881 #if SO_REUSE
ethaderu 3:78f223d34f36 1882 case SO_REUSEADDR:
ethaderu 3:78f223d34f36 1883 case SO_REUSEPORT:
ethaderu 3:78f223d34f36 1884 #endif /* SO_REUSE */
ethaderu 3:78f223d34f36 1885 /* UNIMPL case SO_USELOOPBACK: */
ethaderu 3:78f223d34f36 1886 if (optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1887 err = EINVAL;
ethaderu 3:78f223d34f36 1888 }
ethaderu 3:78f223d34f36 1889 break;
ethaderu 3:78f223d34f36 1890 case SO_NO_CHECK:
ethaderu 3:78f223d34f36 1891 if (optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1892 err = EINVAL;
ethaderu 3:78f223d34f36 1893 }
ethaderu 3:78f223d34f36 1894 #if LWIP_UDP
ethaderu 3:78f223d34f36 1895 if ((sock->conn->type != NETCONN_UDP) ||
ethaderu 3:78f223d34f36 1896 ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) {
ethaderu 3:78f223d34f36 1897 /* this flag is only available for UDP, not for UDP lite */
ethaderu 3:78f223d34f36 1898 err = EAFNOSUPPORT;
ethaderu 3:78f223d34f36 1899 }
ethaderu 3:78f223d34f36 1900 #endif /* LWIP_UDP */
ethaderu 3:78f223d34f36 1901 break;
ethaderu 3:78f223d34f36 1902 default:
ethaderu 3:78f223d34f36 1903 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 1904 s, optname));
ethaderu 3:78f223d34f36 1905 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 1906 } /* switch (optname) */
ethaderu 3:78f223d34f36 1907 break;
ethaderu 3:78f223d34f36 1908
ethaderu 3:78f223d34f36 1909 /* Level: IPPROTO_IP */
ethaderu 3:78f223d34f36 1910 case IPPROTO_IP:
ethaderu 3:78f223d34f36 1911 switch (optname) {
ethaderu 3:78f223d34f36 1912 /* UNIMPL case IP_HDRINCL: */
ethaderu 3:78f223d34f36 1913 /* UNIMPL case IP_RCVDSTADDR: */
ethaderu 3:78f223d34f36 1914 /* UNIMPL case IP_RCVIF: */
ethaderu 3:78f223d34f36 1915 case IP_TTL:
ethaderu 3:78f223d34f36 1916 case IP_TOS:
ethaderu 3:78f223d34f36 1917 if (optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1918 err = EINVAL;
ethaderu 3:78f223d34f36 1919 }
ethaderu 3:78f223d34f36 1920 break;
ethaderu 3:78f223d34f36 1921 #if LWIP_IGMP
ethaderu 3:78f223d34f36 1922 case IP_MULTICAST_TTL:
ethaderu 3:78f223d34f36 1923 if (optlen < sizeof(u8_t)) {
ethaderu 3:78f223d34f36 1924 err = EINVAL;
ethaderu 3:78f223d34f36 1925 }
ethaderu 3:78f223d34f36 1926 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
ethaderu 3:78f223d34f36 1927 err = EAFNOSUPPORT;
ethaderu 3:78f223d34f36 1928 }
ethaderu 3:78f223d34f36 1929 break;
ethaderu 3:78f223d34f36 1930 case IP_MULTICAST_IF:
ethaderu 3:78f223d34f36 1931 if (optlen < sizeof(struct in_addr)) {
ethaderu 3:78f223d34f36 1932 err = EINVAL;
ethaderu 3:78f223d34f36 1933 }
ethaderu 3:78f223d34f36 1934 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
ethaderu 3:78f223d34f36 1935 err = EAFNOSUPPORT;
ethaderu 3:78f223d34f36 1936 }
ethaderu 3:78f223d34f36 1937 break;
ethaderu 3:78f223d34f36 1938 case IP_MULTICAST_LOOP:
ethaderu 3:78f223d34f36 1939 if (optlen < sizeof(u8_t)) {
ethaderu 3:78f223d34f36 1940 err = EINVAL;
ethaderu 3:78f223d34f36 1941 }
ethaderu 3:78f223d34f36 1942 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
ethaderu 3:78f223d34f36 1943 err = EAFNOSUPPORT;
ethaderu 3:78f223d34f36 1944 }
ethaderu 3:78f223d34f36 1945 break;
ethaderu 3:78f223d34f36 1946 case IP_ADD_MEMBERSHIP:
ethaderu 3:78f223d34f36 1947 case IP_DROP_MEMBERSHIP:
ethaderu 3:78f223d34f36 1948 if (optlen < sizeof(struct ip_mreq)) {
ethaderu 3:78f223d34f36 1949 err = EINVAL;
ethaderu 3:78f223d34f36 1950 }
ethaderu 3:78f223d34f36 1951 if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
ethaderu 3:78f223d34f36 1952 err = EAFNOSUPPORT;
ethaderu 3:78f223d34f36 1953 }
ethaderu 3:78f223d34f36 1954 break;
ethaderu 3:78f223d34f36 1955 #endif /* LWIP_IGMP */
ethaderu 3:78f223d34f36 1956 default:
ethaderu 3:78f223d34f36 1957 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 1958 s, optname));
ethaderu 3:78f223d34f36 1959 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 1960 } /* switch (optname) */
ethaderu 3:78f223d34f36 1961 break;
ethaderu 3:78f223d34f36 1962
ethaderu 3:78f223d34f36 1963 #if LWIP_TCP
ethaderu 3:78f223d34f36 1964 /* Level: IPPROTO_TCP */
ethaderu 3:78f223d34f36 1965 case IPPROTO_TCP:
ethaderu 3:78f223d34f36 1966 if (optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1967 err = EINVAL;
ethaderu 3:78f223d34f36 1968 break;
ethaderu 3:78f223d34f36 1969 }
ethaderu 3:78f223d34f36 1970
ethaderu 3:78f223d34f36 1971 /* If this is no TCP socket, ignore any options. */
ethaderu 3:78f223d34f36 1972 if (sock->conn->type != NETCONN_TCP)
ethaderu 3:78f223d34f36 1973 return 0;
ethaderu 3:78f223d34f36 1974
ethaderu 3:78f223d34f36 1975 switch (optname) {
ethaderu 3:78f223d34f36 1976 case TCP_NODELAY:
ethaderu 3:78f223d34f36 1977 case TCP_KEEPALIVE:
ethaderu 3:78f223d34f36 1978 #if LWIP_TCP_KEEPALIVE
ethaderu 3:78f223d34f36 1979 case TCP_KEEPIDLE:
ethaderu 3:78f223d34f36 1980 case TCP_KEEPINTVL:
ethaderu 3:78f223d34f36 1981 case TCP_KEEPCNT:
ethaderu 3:78f223d34f36 1982 #endif /* LWIP_TCP_KEEPALIVE */
ethaderu 3:78f223d34f36 1983 break;
ethaderu 3:78f223d34f36 1984
ethaderu 3:78f223d34f36 1985 default:
ethaderu 3:78f223d34f36 1986 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 1987 s, optname));
ethaderu 3:78f223d34f36 1988 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 1989 } /* switch (optname) */
ethaderu 3:78f223d34f36 1990 break;
ethaderu 3:78f223d34f36 1991 #endif /* LWIP_TCP */
ethaderu 3:78f223d34f36 1992 #if LWIP_UDP && LWIP_UDPLITE
ethaderu 3:78f223d34f36 1993 /* Level: IPPROTO_UDPLITE */
ethaderu 3:78f223d34f36 1994 case IPPROTO_UDPLITE:
ethaderu 3:78f223d34f36 1995 if (optlen < sizeof(int)) {
ethaderu 3:78f223d34f36 1996 err = EINVAL;
ethaderu 3:78f223d34f36 1997 break;
ethaderu 3:78f223d34f36 1998 }
ethaderu 3:78f223d34f36 1999
ethaderu 3:78f223d34f36 2000 /* If this is no UDP lite socket, ignore any options. */
ethaderu 3:78f223d34f36 2001 if (sock->conn->type != NETCONN_UDPLITE)
ethaderu 3:78f223d34f36 2002 return 0;
ethaderu 3:78f223d34f36 2003
ethaderu 3:78f223d34f36 2004 switch (optname) {
ethaderu 3:78f223d34f36 2005 case UDPLITE_SEND_CSCOV:
ethaderu 3:78f223d34f36 2006 case UDPLITE_RECV_CSCOV:
ethaderu 3:78f223d34f36 2007 break;
ethaderu 3:78f223d34f36 2008
ethaderu 3:78f223d34f36 2009 default:
ethaderu 3:78f223d34f36 2010 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 2011 s, optname));
ethaderu 3:78f223d34f36 2012 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 2013 } /* switch (optname) */
ethaderu 3:78f223d34f36 2014 break;
ethaderu 3:78f223d34f36 2015 #endif /* LWIP_UDP && LWIP_UDPLITE */
ethaderu 3:78f223d34f36 2016 /* UNDEFINED LEVEL */
ethaderu 3:78f223d34f36 2017 default:
ethaderu 3:78f223d34f36 2018 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n",
ethaderu 3:78f223d34f36 2019 s, level, optname));
ethaderu 3:78f223d34f36 2020 err = ENOPROTOOPT;
ethaderu 3:78f223d34f36 2021 } /* switch (level) */
ethaderu 3:78f223d34f36 2022
ethaderu 3:78f223d34f36 2023
ethaderu 3:78f223d34f36 2024 if (err != ERR_OK) {
ethaderu 3:78f223d34f36 2025 sock_set_errno(sock, err);
ethaderu 3:78f223d34f36 2026 return -1;
ethaderu 3:78f223d34f36 2027 }
ethaderu 3:78f223d34f36 2028
ethaderu 3:78f223d34f36 2029
ethaderu 3:78f223d34f36 2030 /* Now do the actual option processing */
ethaderu 3:78f223d34f36 2031 data.sock = sock;
ethaderu 3:78f223d34f36 2032 #ifdef LWIP_DEBUG
ethaderu 3:78f223d34f36 2033 data.s = s;
ethaderu 3:78f223d34f36 2034 #endif /* LWIP_DEBUG */
ethaderu 3:78f223d34f36 2035 data.level = level;
ethaderu 3:78f223d34f36 2036 data.optname = optname;
ethaderu 3:78f223d34f36 2037 data.optval = (void*)optval;
ethaderu 3:78f223d34f36 2038 data.optlen = &optlen;
ethaderu 3:78f223d34f36 2039 data.err = err;
ethaderu 3:78f223d34f36 2040 tcpip_callback(lwip_setsockopt_internal, &data);
ethaderu 3:78f223d34f36 2041 sys_arch_sem_wait(&sock->conn->op_completed, 0);
ethaderu 3:78f223d34f36 2042 /* maybe lwip_setsockopt_internal has changed err */
ethaderu 3:78f223d34f36 2043 err = data.err;
ethaderu 3:78f223d34f36 2044
ethaderu 3:78f223d34f36 2045 sock_set_errno(sock, err);
ethaderu 3:78f223d34f36 2046 return err ? -1 : 0;
ethaderu 3:78f223d34f36 2047 }
ethaderu 3:78f223d34f36 2048
ethaderu 3:78f223d34f36 2049 static void
ethaderu 3:78f223d34f36 2050 lwip_setsockopt_internal(void *arg)
ethaderu 3:78f223d34f36 2051 {
ethaderu 3:78f223d34f36 2052 struct lwip_sock *sock;
ethaderu 3:78f223d34f36 2053 #ifdef LWIP_DEBUG
ethaderu 3:78f223d34f36 2054 int s;
ethaderu 3:78f223d34f36 2055 #endif /* LWIP_DEBUG */
ethaderu 3:78f223d34f36 2056 int level, optname;
ethaderu 3:78f223d34f36 2057 const void *optval;
ethaderu 3:78f223d34f36 2058 struct lwip_setgetsockopt_data *data;
ethaderu 3:78f223d34f36 2059
ethaderu 3:78f223d34f36 2060 LWIP_ASSERT("arg != NULL", arg != NULL);
ethaderu 3:78f223d34f36 2061
ethaderu 3:78f223d34f36 2062 data = (struct lwip_setgetsockopt_data*)arg;
ethaderu 3:78f223d34f36 2063 sock = data->sock;
ethaderu 3:78f223d34f36 2064 #ifdef LWIP_DEBUG
ethaderu 3:78f223d34f36 2065 s = data->s;
ethaderu 3:78f223d34f36 2066 #endif /* LWIP_DEBUG */
ethaderu 3:78f223d34f36 2067 level = data->level;
ethaderu 3:78f223d34f36 2068 optname = data->optname;
ethaderu 3:78f223d34f36 2069 optval = data->optval;
ethaderu 3:78f223d34f36 2070
ethaderu 3:78f223d34f36 2071 switch (level) {
ethaderu 3:78f223d34f36 2072
ethaderu 3:78f223d34f36 2073 /* Level: SOL_SOCKET */
ethaderu 3:78f223d34f36 2074 case SOL_SOCKET:
ethaderu 3:78f223d34f36 2075 switch (optname) {
ethaderu 3:78f223d34f36 2076
ethaderu 3:78f223d34f36 2077 /* The option flags */
ethaderu 3:78f223d34f36 2078 case SO_BROADCAST:
ethaderu 3:78f223d34f36 2079 /* UNIMPL case SO_DEBUG: */
ethaderu 3:78f223d34f36 2080 /* UNIMPL case SO_DONTROUTE: */
ethaderu 3:78f223d34f36 2081 case SO_KEEPALIVE:
ethaderu 3:78f223d34f36 2082 /* UNIMPL case SO_OOBINCLUDE: */
ethaderu 3:78f223d34f36 2083 #if SO_REUSE
ethaderu 3:78f223d34f36 2084 case SO_REUSEADDR:
ethaderu 3:78f223d34f36 2085 case SO_REUSEPORT:
ethaderu 3:78f223d34f36 2086 #endif /* SO_REUSE */
ethaderu 3:78f223d34f36 2087 /* UNIMPL case SO_USELOOPBACK: */
ethaderu 3:78f223d34f36 2088 if (*(int*)optval) {
ethaderu 3:78f223d34f36 2089 sock->conn->pcb.ip->so_options |= optname;
ethaderu 3:78f223d34f36 2090 } else {
ethaderu 3:78f223d34f36 2091 sock->conn->pcb.ip->so_options &= ~optname;
ethaderu 3:78f223d34f36 2092 }
ethaderu 3:78f223d34f36 2093 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, optname=0x%x, ..) -> %s\n",
ethaderu 3:78f223d34f36 2094 s, optname, (*(int*)optval?"on":"off")));
ethaderu 3:78f223d34f36 2095 break;
ethaderu 3:78f223d34f36 2096 #if LWIP_SO_RCVTIMEO
ethaderu 3:78f223d34f36 2097 case SO_RCVTIMEO:
ethaderu 3:78f223d34f36 2098 netconn_set_recvtimeout(sock->conn, *(int*)optval);
ethaderu 3:78f223d34f36 2099 break;
ethaderu 3:78f223d34f36 2100 #endif /* LWIP_SO_RCVTIMEO */
ethaderu 3:78f223d34f36 2101 #if LWIP_SO_RCVBUF
ethaderu 3:78f223d34f36 2102 case SO_RCVBUF:
ethaderu 3:78f223d34f36 2103 netconn_set_recvbufsize(sock->conn, *(int*)optval);
ethaderu 3:78f223d34f36 2104 break;
ethaderu 3:78f223d34f36 2105 #endif /* LWIP_SO_RCVBUF */
ethaderu 3:78f223d34f36 2106 #if LWIP_UDP
ethaderu 3:78f223d34f36 2107 case SO_NO_CHECK:
ethaderu 3:78f223d34f36 2108 if (*(int*)optval) {
ethaderu 3:78f223d34f36 2109 udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_NOCHKSUM);
ethaderu 3:78f223d34f36 2110 } else {
ethaderu 3:78f223d34f36 2111 udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_NOCHKSUM);
ethaderu 3:78f223d34f36 2112 }
ethaderu 3:78f223d34f36 2113 break;
ethaderu 3:78f223d34f36 2114 #endif /* LWIP_UDP */
ethaderu 3:78f223d34f36 2115 default:
ethaderu 3:78f223d34f36 2116 LWIP_ASSERT("unhandled optname", 0);
ethaderu 3:78f223d34f36 2117 break;
ethaderu 3:78f223d34f36 2118 } /* switch (optname) */
ethaderu 3:78f223d34f36 2119 break;
ethaderu 3:78f223d34f36 2120
ethaderu 3:78f223d34f36 2121 /* Level: IPPROTO_IP */
ethaderu 3:78f223d34f36 2122 case IPPROTO_IP:
ethaderu 3:78f223d34f36 2123 switch (optname) {
ethaderu 3:78f223d34f36 2124 case IP_TTL:
ethaderu 3:78f223d34f36 2125 sock->conn->pcb.ip->ttl = (u8_t)(*(int*)optval);
ethaderu 3:78f223d34f36 2126 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TTL, ..) -> %d\n",
ethaderu 3:78f223d34f36 2127 s, sock->conn->pcb.ip->ttl));
ethaderu 3:78f223d34f36 2128 break;
ethaderu 3:78f223d34f36 2129 case IP_TOS:
ethaderu 3:78f223d34f36 2130 sock->conn->pcb.ip->tos = (u8_t)(*(int*)optval);
ethaderu 3:78f223d34f36 2131 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TOS, ..)-> %d\n",
ethaderu 3:78f223d34f36 2132 s, sock->conn->pcb.ip->tos));
ethaderu 3:78f223d34f36 2133 break;
ethaderu 3:78f223d34f36 2134 #if LWIP_IGMP
ethaderu 3:78f223d34f36 2135 case IP_MULTICAST_TTL:
ethaderu 3:78f223d34f36 2136 sock->conn->pcb.udp->ttl = (u8_t)(*(u8_t*)optval);
ethaderu 3:78f223d34f36 2137 break;
ethaderu 3:78f223d34f36 2138 case IP_MULTICAST_IF:
ethaderu 3:78f223d34f36 2139 inet_addr_to_ipaddr(&sock->conn->pcb.udp->multicast_ip, (struct in_addr*)optval);
ethaderu 3:78f223d34f36 2140 break;
ethaderu 3:78f223d34f36 2141 case IP_MULTICAST_LOOP:
ethaderu 3:78f223d34f36 2142 if (*(u8_t*)optval) {
ethaderu 3:78f223d34f36 2143 udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_MULTICAST_LOOP);
ethaderu 3:78f223d34f36 2144 } else {
ethaderu 3:78f223d34f36 2145 udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_MULTICAST_LOOP);
ethaderu 3:78f223d34f36 2146 }
ethaderu 3:78f223d34f36 2147 break;
ethaderu 3:78f223d34f36 2148 case IP_ADD_MEMBERSHIP:
ethaderu 3:78f223d34f36 2149 case IP_DROP_MEMBERSHIP:
ethaderu 3:78f223d34f36 2150 {
ethaderu 3:78f223d34f36 2151 /* If this is a TCP or a RAW socket, ignore these options. */
ethaderu 3:78f223d34f36 2152 struct ip_mreq *imr = (struct ip_mreq *)optval;
ethaderu 3:78f223d34f36 2153 ip_addr_t if_addr;
ethaderu 3:78f223d34f36 2154 ip_addr_t multi_addr;
ethaderu 3:78f223d34f36 2155 inet_addr_to_ipaddr(&if_addr, &imr->imr_interface);
ethaderu 3:78f223d34f36 2156 inet_addr_to_ipaddr(&multi_addr, &imr->imr_multiaddr);
ethaderu 3:78f223d34f36 2157 if(optname == IP_ADD_MEMBERSHIP){
ethaderu 3:78f223d34f36 2158 data->err = igmp_joingroup(&if_addr, &multi_addr);
ethaderu 3:78f223d34f36 2159 } else {
ethaderu 3:78f223d34f36 2160 data->err = igmp_leavegroup(&if_addr, &multi_addr);
ethaderu 3:78f223d34f36 2161 }
ethaderu 3:78f223d34f36 2162 if(data->err != ERR_OK) {
ethaderu 3:78f223d34f36 2163 data->err = EADDRNOTAVAIL;
ethaderu 3:78f223d34f36 2164 }
ethaderu 3:78f223d34f36 2165 }
ethaderu 3:78f223d34f36 2166 break;
ethaderu 3:78f223d34f36 2167 #endif /* LWIP_IGMP */
ethaderu 3:78f223d34f36 2168 default:
ethaderu 3:78f223d34f36 2169 LWIP_ASSERT("unhandled optname", 0);
ethaderu 3:78f223d34f36 2170 break;
ethaderu 3:78f223d34f36 2171 } /* switch (optname) */
ethaderu 3:78f223d34f36 2172 break;
ethaderu 3:78f223d34f36 2173
ethaderu 3:78f223d34f36 2174 #if LWIP_TCP
ethaderu 3:78f223d34f36 2175 /* Level: IPPROTO_TCP */
ethaderu 3:78f223d34f36 2176 case IPPROTO_TCP:
ethaderu 3:78f223d34f36 2177 switch (optname) {
ethaderu 3:78f223d34f36 2178 case TCP_NODELAY:
ethaderu 3:78f223d34f36 2179 if (*(int*)optval) {
ethaderu 3:78f223d34f36 2180 tcp_nagle_disable(sock->conn->pcb.tcp);
ethaderu 3:78f223d34f36 2181 } else {
ethaderu 3:78f223d34f36 2182 tcp_nagle_enable(sock->conn->pcb.tcp);
ethaderu 3:78f223d34f36 2183 }
ethaderu 3:78f223d34f36 2184 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_NODELAY) -> %s\n",
ethaderu 3:78f223d34f36 2185 s, (*(int *)optval)?"on":"off") );
ethaderu 3:78f223d34f36 2186 break;
ethaderu 3:78f223d34f36 2187 case TCP_KEEPALIVE:
ethaderu 3:78f223d34f36 2188 sock->conn->pcb.tcp->keep_idle = (u32_t)(*(int*)optval);
ethaderu 3:78f223d34f36 2189 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPALIVE) -> %"U32_F"\n",
ethaderu 3:78f223d34f36 2190 s, sock->conn->pcb.tcp->keep_idle));
ethaderu 3:78f223d34f36 2191 break;
ethaderu 3:78f223d34f36 2192
ethaderu 3:78f223d34f36 2193 #if LWIP_TCP_KEEPALIVE
ethaderu 3:78f223d34f36 2194 case TCP_KEEPIDLE:
ethaderu 3:78f223d34f36 2195 sock->conn->pcb.tcp->keep_idle = 1000*(u32_t)(*(int*)optval);
ethaderu 3:78f223d34f36 2196 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPIDLE) -> %"U32_F"\n",
ethaderu 3:78f223d34f36 2197 s, sock->conn->pcb.tcp->keep_idle));
ethaderu 3:78f223d34f36 2198 break;
ethaderu 3:78f223d34f36 2199 case TCP_KEEPINTVL:
ethaderu 3:78f223d34f36 2200 sock->conn->pcb.tcp->keep_intvl = 1000*(u32_t)(*(int*)optval);
ethaderu 3:78f223d34f36 2201 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPINTVL) -> %"U32_F"\n",
ethaderu 3:78f223d34f36 2202 s, sock->conn->pcb.tcp->keep_intvl));
ethaderu 3:78f223d34f36 2203 break;
ethaderu 3:78f223d34f36 2204 case TCP_KEEPCNT:
ethaderu 3:78f223d34f36 2205 sock->conn->pcb.tcp->keep_cnt = (u32_t)(*(int*)optval);
ethaderu 3:78f223d34f36 2206 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPCNT) -> %"U32_F"\n",
ethaderu 3:78f223d34f36 2207 s, sock->conn->pcb.tcp->keep_cnt));
ethaderu 3:78f223d34f36 2208 break;
ethaderu 3:78f223d34f36 2209 #endif /* LWIP_TCP_KEEPALIVE */
ethaderu 3:78f223d34f36 2210 default:
ethaderu 3:78f223d34f36 2211 LWIP_ASSERT("unhandled optname", 0);
ethaderu 3:78f223d34f36 2212 break;
ethaderu 3:78f223d34f36 2213 } /* switch (optname) */
ethaderu 3:78f223d34f36 2214 break;
ethaderu 3:78f223d34f36 2215 #endif /* LWIP_TCP*/
ethaderu 3:78f223d34f36 2216 #if LWIP_UDP && LWIP_UDPLITE
ethaderu 3:78f223d34f36 2217 /* Level: IPPROTO_UDPLITE */
ethaderu 3:78f223d34f36 2218 case IPPROTO_UDPLITE:
ethaderu 3:78f223d34f36 2219 switch (optname) {
ethaderu 3:78f223d34f36 2220 case UDPLITE_SEND_CSCOV:
ethaderu 3:78f223d34f36 2221 if ((*(int*)optval != 0) && ((*(int*)optval < 8)) || (*(int*)optval > 0xffff)) {
ethaderu 3:78f223d34f36 2222 /* don't allow illegal values! */
ethaderu 3:78f223d34f36 2223 sock->conn->pcb.udp->chksum_len_tx = 8;
ethaderu 3:78f223d34f36 2224 } else {
ethaderu 3:78f223d34f36 2225 sock->conn->pcb.udp->chksum_len_tx = (u16_t)*(int*)optval;
ethaderu 3:78f223d34f36 2226 }
ethaderu 3:78f223d34f36 2227 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) -> %d\n",
ethaderu 3:78f223d34f36 2228 s, (*(int*)optval)) );
ethaderu 3:78f223d34f36 2229 break;
ethaderu 3:78f223d34f36 2230 case UDPLITE_RECV_CSCOV:
ethaderu 3:78f223d34f36 2231 if ((*(int*)optval != 0) && ((*(int*)optval < 8)) || (*(int*)optval > 0xffff)) {
ethaderu 3:78f223d34f36 2232 /* don't allow illegal values! */
ethaderu 3:78f223d34f36 2233 sock->conn->pcb.udp->chksum_len_rx = 8;
ethaderu 3:78f223d34f36 2234 } else {
ethaderu 3:78f223d34f36 2235 sock->conn->pcb.udp->chksum_len_rx = (u16_t)*(int*)optval;
ethaderu 3:78f223d34f36 2236 }
ethaderu 3:78f223d34f36 2237 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) -> %d\n",
ethaderu 3:78f223d34f36 2238 s, (*(int*)optval)) );
ethaderu 3:78f223d34f36 2239 break;
ethaderu 3:78f223d34f36 2240 default:
ethaderu 3:78f223d34f36 2241 LWIP_ASSERT("unhandled optname", 0);
ethaderu 3:78f223d34f36 2242 break;
ethaderu 3:78f223d34f36 2243 } /* switch (optname) */
ethaderu 3:78f223d34f36 2244 break;
ethaderu 3:78f223d34f36 2245 #endif /* LWIP_UDP */
ethaderu 3:78f223d34f36 2246 default:
ethaderu 3:78f223d34f36 2247 LWIP_ASSERT("unhandled level", 0);
ethaderu 3:78f223d34f36 2248 break;
ethaderu 3:78f223d34f36 2249 } /* switch (level) */
ethaderu 3:78f223d34f36 2250 sys_sem_signal(&sock->conn->op_completed);
ethaderu 3:78f223d34f36 2251 }
ethaderu 3:78f223d34f36 2252
ethaderu 3:78f223d34f36 2253 int
ethaderu 3:78f223d34f36 2254 lwip_ioctl(int s, long cmd, void *argp)
ethaderu 3:78f223d34f36 2255 {
ethaderu 3:78f223d34f36 2256 struct lwip_sock *sock = get_socket(s);
ethaderu 3:78f223d34f36 2257 u8_t val;
ethaderu 3:78f223d34f36 2258 #if LWIP_SO_RCVBUF
ethaderu 3:78f223d34f36 2259 u16_t buflen = 0;
ethaderu 3:78f223d34f36 2260 s16_t recv_avail;
ethaderu 3:78f223d34f36 2261 #endif /* LWIP_SO_RCVBUF */
ethaderu 3:78f223d34f36 2262
ethaderu 3:78f223d34f36 2263 if (!sock) {
ethaderu 3:78f223d34f36 2264 return -1;
ethaderu 3:78f223d34f36 2265 }
ethaderu 3:78f223d34f36 2266
ethaderu 3:78f223d34f36 2267 switch (cmd) {
ethaderu 3:78f223d34f36 2268 #if LWIP_SO_RCVBUF
ethaderu 3:78f223d34f36 2269 case FIONREAD:
ethaderu 3:78f223d34f36 2270 if (!argp) {
ethaderu 3:78f223d34f36 2271 sock_set_errno(sock, EINVAL);
ethaderu 3:78f223d34f36 2272 return -1;
ethaderu 3:78f223d34f36 2273 }
ethaderu 3:78f223d34f36 2274
ethaderu 3:78f223d34f36 2275 SYS_ARCH_GET(sock->conn->recv_avail, recv_avail);
ethaderu 3:78f223d34f36 2276 if (recv_avail < 0) {
ethaderu 3:78f223d34f36 2277 recv_avail = 0;
ethaderu 3:78f223d34f36 2278 }
ethaderu 3:78f223d34f36 2279 *((u16_t*)argp) = (u16_t)recv_avail;
ethaderu 3:78f223d34f36 2280
ethaderu 3:78f223d34f36 2281 /* Check if there is data left from the last recv operation. /maq 041215 */
ethaderu 3:78f223d34f36 2282 if (sock->lastdata) {
ethaderu 3:78f223d34f36 2283 struct pbuf *p = (struct pbuf *)sock->lastdata;
ethaderu 3:78f223d34f36 2284 if (netconn_type(sock->conn) != NETCONN_TCP) {
ethaderu 3:78f223d34f36 2285 p = ((struct netbuf *)p)->p;
ethaderu 3:78f223d34f36 2286 }
ethaderu 3:78f223d34f36 2287 buflen = p->tot_len;
ethaderu 3:78f223d34f36 2288 buflen -= sock->lastoffset;
ethaderu 3:78f223d34f36 2289
ethaderu 3:78f223d34f36 2290 *((u16_t*)argp) += buflen;
ethaderu 3:78f223d34f36 2291 }
ethaderu 3:78f223d34f36 2292
ethaderu 3:78f223d34f36 2293 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONREAD, %p) = %"U16_F"\n", s, argp, *((u16_t*)argp)));
ethaderu 3:78f223d34f36 2294 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 2295 return 0;
ethaderu 3:78f223d34f36 2296 #endif /* LWIP_SO_RCVBUF */
ethaderu 3:78f223d34f36 2297
ethaderu 3:78f223d34f36 2298 case FIONBIO:
ethaderu 3:78f223d34f36 2299 val = 0;
ethaderu 3:78f223d34f36 2300 if (argp && *(u32_t*)argp) {
ethaderu 3:78f223d34f36 2301 val = 1;
ethaderu 3:78f223d34f36 2302 }
ethaderu 3:78f223d34f36 2303 netconn_set_nonblocking(sock->conn, val);
ethaderu 3:78f223d34f36 2304 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONBIO, %d)\n", s, val));
ethaderu 3:78f223d34f36 2305 sock_set_errno(sock, 0);
ethaderu 3:78f223d34f36 2306 return 0;
ethaderu 3:78f223d34f36 2307
ethaderu 3:78f223d34f36 2308 default:
ethaderu 3:78f223d34f36 2309 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, UNIMPL: 0x%lx, %p)\n", s, cmd, argp));
ethaderu 3:78f223d34f36 2310 sock_set_errno(sock, ENOSYS); /* not yet implemented */
ethaderu 3:78f223d34f36 2311 return -1;
ethaderu 3:78f223d34f36 2312 } /* switch (cmd) */
ethaderu 3:78f223d34f36 2313 }
ethaderu 3:78f223d34f36 2314
ethaderu 3:78f223d34f36 2315 /** A minimal implementation of fcntl.
ethaderu 3:78f223d34f36 2316 * Currently only the commands F_GETFL and F_SETFL are implemented.
ethaderu 3:78f223d34f36 2317 * Only the flag O_NONBLOCK is implemented.
ethaderu 3:78f223d34f36 2318 */
ethaderu 3:78f223d34f36 2319 int
ethaderu 3:78f223d34f36 2320 lwip_fcntl(int s, int cmd, int val)
ethaderu 3:78f223d34f36 2321 {
ethaderu 3:78f223d34f36 2322 struct lwip_sock *sock = get_socket(s);
ethaderu 3:78f223d34f36 2323 int ret = -1;
ethaderu 3:78f223d34f36 2324
ethaderu 3:78f223d34f36 2325 if (!sock || !sock->conn) {
ethaderu 3:78f223d34f36 2326 return -1;
ethaderu 3:78f223d34f36 2327 }
ethaderu 3:78f223d34f36 2328
ethaderu 3:78f223d34f36 2329 switch (cmd) {
ethaderu 3:78f223d34f36 2330 case F_GETFL:
ethaderu 3:78f223d34f36 2331 ret = netconn_is_nonblocking(sock->conn) ? O_NONBLOCK : 0;
ethaderu 3:78f223d34f36 2332 break;
ethaderu 3:78f223d34f36 2333 case F_SETFL:
ethaderu 3:78f223d34f36 2334 if ((val & ~O_NONBLOCK) == 0) {
ethaderu 3:78f223d34f36 2335 /* only O_NONBLOCK, all other bits are zero */
ethaderu 3:78f223d34f36 2336 netconn_set_nonblocking(sock->conn, val & O_NONBLOCK);
ethaderu 3:78f223d34f36 2337 ret = 0;
ethaderu 3:78f223d34f36 2338 }
ethaderu 3:78f223d34f36 2339 break;
ethaderu 3:78f223d34f36 2340 default:
ethaderu 3:78f223d34f36 2341 LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_fcntl(%d, UNIMPL: %d, %d)\n", s, cmd, val));
ethaderu 3:78f223d34f36 2342 break;
ethaderu 3:78f223d34f36 2343 }
ethaderu 3:78f223d34f36 2344 return ret;
ethaderu 3:78f223d34f36 2345 }
ethaderu 3:78f223d34f36 2346
ethaderu 3:78f223d34f36 2347 #endif /* LWIP_SOCKET */