A S / lwip

1. Reduce the size of the heap memory 2. Change the TCP segment size 3. Disable UDP + DHCP + DNS 4. Change the configuration of the TCP/IP thread

Dependents:   EthernetInterface

Fork of lwip by mbed official

include/lwip/netdb.h@16:f159c25d9261, 2014-02-13 (annotated)

Committer:
aos
Date:
Thu Feb 13 17:57:50 2014 +0000
Revision:
16:f159c25d9261
Parent:
0:51ac1d130fd4 
Update the heap memory size

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /*
mbed_official 0:51ac1d130fd4 2 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 0:51ac1d130fd4 3 * are permitted provided that the following conditions are met:
mbed_official 0:51ac1d130fd4 4 *
mbed_official 0:51ac1d130fd4 5 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 0:51ac1d130fd4 6 * this list of conditions and the following disclaimer.
mbed_official 0:51ac1d130fd4 7 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 0:51ac1d130fd4 8 * this list of conditions and the following disclaimer in the documentation
mbed_official 0:51ac1d130fd4 9 * and/or other materials provided with the distribution.
mbed_official 0:51ac1d130fd4 10 * 3. The name of the author may not be used to endorse or promote products
mbed_official 0:51ac1d130fd4 11 * derived from this software without specific prior written permission.
mbed_official 0:51ac1d130fd4 12 *
mbed_official 0:51ac1d130fd4 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mbed_official 0:51ac1d130fd4 14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 0:51ac1d130fd4 15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mbed_official 0:51ac1d130fd4 16 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mbed_official 0:51ac1d130fd4 17 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mbed_official 0:51ac1d130fd4 18 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 0:51ac1d130fd4 19 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 0:51ac1d130fd4 20 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mbed_official 0:51ac1d130fd4 21 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mbed_official 0:51ac1d130fd4 22 * OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 23 *
mbed_official 0:51ac1d130fd4 24 * This file is part of the lwIP TCP/IP stack.
mbed_official 0:51ac1d130fd4 25 *
mbed_official 0:51ac1d130fd4 26 * Author: Simon Goldschmidt
mbed_official 0:51ac1d130fd4 27 *
mbed_official 0:51ac1d130fd4 28 */
mbed_official 0:51ac1d130fd4 29 #ifndef __LWIP_NETDB_H__
mbed_official 0:51ac1d130fd4 30 #define __LWIP_NETDB_H__
mbed_official 0:51ac1d130fd4 31
mbed_official 0:51ac1d130fd4 32 #include "lwip/opt.h"
mbed_official 0:51ac1d130fd4 33
mbed_official 0:51ac1d130fd4 34 #if LWIP_DNS && LWIP_SOCKET
mbed_official 0:51ac1d130fd4 35
mbed_official 0:51ac1d130fd4 36 #include <stddef.h> /* for size_t */
mbed_official 0:51ac1d130fd4 37
mbed_official 0:51ac1d130fd4 38 #include "lwip/inet.h"
mbed_official 0:51ac1d130fd4 39 #include "lwip/sockets.h"
mbed_official 0:51ac1d130fd4 40
mbed_official 0:51ac1d130fd4 41 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 42 extern "C" {
mbed_official 0:51ac1d130fd4 43 #endif
mbed_official 0:51ac1d130fd4 44
mbed_official 0:51ac1d130fd4 45 /* some rarely used options */
mbed_official 0:51ac1d130fd4 46 #ifndef LWIP_DNS_API_DECLARE_H_ERRNO
mbed_official 0:51ac1d130fd4 47 #define LWIP_DNS_API_DECLARE_H_ERRNO 1
mbed_official 0:51ac1d130fd4 48 #endif
mbed_official 0:51ac1d130fd4 49
mbed_official 0:51ac1d130fd4 50 #ifndef LWIP_DNS_API_DEFINE_ERRORS
mbed_official 0:51ac1d130fd4 51 #define LWIP_DNS_API_DEFINE_ERRORS 1
mbed_official 0:51ac1d130fd4 52 #endif
mbed_official 0:51ac1d130fd4 53
mbed_official 0:51ac1d130fd4 54 #ifndef LWIP_DNS_API_DECLARE_STRUCTS
mbed_official 0:51ac1d130fd4 55 #define LWIP_DNS_API_DECLARE_STRUCTS 1
mbed_official 0:51ac1d130fd4 56 #endif
mbed_official 0:51ac1d130fd4 57
mbed_official 0:51ac1d130fd4 58 #if LWIP_DNS_API_DEFINE_ERRORS
mbed_official 0:51ac1d130fd4 59 /** Errors used by the DNS API functions, h_errno can be one of them */
mbed_official 0:51ac1d130fd4 60 #define EAI_NONAME 200
mbed_official 0:51ac1d130fd4 61 #define EAI_SERVICE 201
mbed_official 0:51ac1d130fd4 62 #define EAI_FAIL 202
mbed_official 0:51ac1d130fd4 63 #define EAI_MEMORY 203
mbed_official 0:51ac1d130fd4 64
mbed_official 0:51ac1d130fd4 65 #define HOST_NOT_FOUND 210
mbed_official 0:51ac1d130fd4 66 #define NO_DATA 211
mbed_official 0:51ac1d130fd4 67 #define NO_RECOVERY 212
mbed_official 0:51ac1d130fd4 68 #define TRY_AGAIN 213
mbed_official 0:51ac1d130fd4 69 #endif /* LWIP_DNS_API_DEFINE_ERRORS */
mbed_official 0:51ac1d130fd4 70
mbed_official 0:51ac1d130fd4 71 #if LWIP_DNS_API_DECLARE_STRUCTS
mbed_official 0:51ac1d130fd4 72 struct hostent {
mbed_official 0:51ac1d130fd4 73 char *h_name; /* Official name of the host. */
mbed_official 0:51ac1d130fd4 74 char **h_aliases; /* A pointer to an array of pointers to alternative host names,
mbed_official 0:51ac1d130fd4 75 terminated by a null pointer. */
mbed_official 0:51ac1d130fd4 76 int h_addrtype; /* Address type. */
mbed_official 0:51ac1d130fd4 77 int h_length; /* The length, in bytes, of the address. */
mbed_official 0:51ac1d130fd4 78 char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
mbed_official 0:51ac1d130fd4 79 network byte order) for the host, terminated by a null pointer. */
mbed_official 0:51ac1d130fd4 80 #define h_addr h_addr_list[0] /* for backward compatibility */
mbed_official 0:51ac1d130fd4 81 };
mbed_official 0:51ac1d130fd4 82
mbed_official 0:51ac1d130fd4 83 struct addrinfo {
mbed_official 0:51ac1d130fd4 84 int ai_flags; /* Input flags. */
mbed_official 0:51ac1d130fd4 85 int ai_family; /* Address family of socket. */
mbed_official 0:51ac1d130fd4 86 int ai_socktype; /* Socket type. */
mbed_official 0:51ac1d130fd4 87 int ai_protocol; /* Protocol of socket. */
mbed_official 0:51ac1d130fd4 88 socklen_t ai_addrlen; /* Length of socket address. */
mbed_official 0:51ac1d130fd4 89 struct sockaddr *ai_addr; /* Socket address of socket. */
mbed_official 0:51ac1d130fd4 90 char *ai_canonname; /* Canonical name of service location. */
mbed_official 0:51ac1d130fd4 91 struct addrinfo *ai_next; /* Pointer to next in list. */
mbed_official 0:51ac1d130fd4 92 };
mbed_official 0:51ac1d130fd4 93 #endif /* LWIP_DNS_API_DECLARE_STRUCTS */
mbed_official 0:51ac1d130fd4 94
mbed_official 0:51ac1d130fd4 95 #if LWIP_DNS_API_DECLARE_H_ERRNO
mbed_official 0:51ac1d130fd4 96 /* application accessable error code set by the DNS API functions */
mbed_official 0:51ac1d130fd4 97 extern int h_errno;
mbed_official 0:51ac1d130fd4 98 #endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/
mbed_official 0:51ac1d130fd4 99
mbed_official 0:51ac1d130fd4 100 struct hostent *lwip_gethostbyname(const char *name);
mbed_official 0:51ac1d130fd4 101 int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
mbed_official 0:51ac1d130fd4 102 size_t buflen, struct hostent **result, int *h_errnop);
mbed_official 0:51ac1d130fd4 103 void lwip_freeaddrinfo(struct addrinfo *ai);
mbed_official 0:51ac1d130fd4 104 int lwip_getaddrinfo(const char *nodename,
mbed_official 0:51ac1d130fd4 105 const char *servname,
mbed_official 0:51ac1d130fd4 106 const struct addrinfo *hints,
mbed_official 0:51ac1d130fd4 107 struct addrinfo **res);
mbed_official 0:51ac1d130fd4 108
mbed_official 0:51ac1d130fd4 109 #if LWIP_COMPAT_SOCKETS
mbed_official 0:51ac1d130fd4 110 #define gethostbyname(name) lwip_gethostbyname(name)
mbed_official 0:51ac1d130fd4 111 #define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \
mbed_official 0:51ac1d130fd4 112 lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop)
mbed_official 0:51ac1d130fd4 113 #define freeaddrinfo(addrinfo) lwip_freeaddrinfo(addrinfo)
mbed_official 0:51ac1d130fd4 114 #define getaddrinfo(nodname, servname, hints, res) \
mbed_official 0:51ac1d130fd4 115 lwip_getaddrinfo(nodname, servname, hints, res)
mbed_official 0:51ac1d130fd4 116 #endif /* LWIP_COMPAT_SOCKETS */
mbed_official 0:51ac1d130fd4 117
mbed_official 0:51ac1d130fd4 118 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 119 }
mbed_official 0:51ac1d130fd4 120 #endif
mbed_official 0:51ac1d130fd4 121
mbed_official 0:51ac1d130fd4 122 #endif /* LWIP_DNS && LWIP_SOCKET */
mbed_official 0:51ac1d130fd4 123
mbed_official 0:51ac1d130fd4 124 #endif /* __LWIP_NETDB_H__ */