#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <signal.h>
#include <errno.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netdb.h>
#include <net/if.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <sys/ioctl.h>
#include "asterisk.h"
#include "asterisk/netsock.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/options.h"
#include "asterisk/utils.h"
#include "asterisk/lock.h"
#include "asterisk/srv.h"
Include dependency graph for netsock.c:
Go to the source code of this file.
Data Structures | |
struct | ast_netsock |
struct | ast_netsock_list |
Functions | |
ast_netsock * | ast_netsock_bind (struct ast_netsock_list *list, struct io_context *ioc, const char *bindinfo, int defaultport, int tos, ast_io_cb callback, void *data) |
ast_netsock * | ast_netsock_bindaddr (struct ast_netsock_list *list, struct io_context *ioc, struct sockaddr_in *bindaddr, int tos, ast_io_cb callback, void *data) |
sockaddr_in * | ast_netsock_boundaddr (const struct ast_netsock *ns) |
void * | ast_netsock_data (const struct ast_netsock *ns) |
static void | ast_netsock_destroy (struct ast_netsock *netsock) |
ast_netsock * | ast_netsock_find (struct ast_netsock_list *list, struct sockaddr_in *sa) |
int | ast_netsock_init (struct ast_netsock_list *list) |
ast_netsock_list * | ast_netsock_list_alloc (void) |
int | ast_netsock_release (struct ast_netsock_list *list) |
int | ast_netsock_sockfd (const struct ast_netsock *ns) |
void | ast_netsock_unref (struct ast_netsock *ns) |
Definition in file netsock.c.
struct ast_netsock* ast_netsock_bind | ( | struct ast_netsock_list * | list, | |
struct io_context * | ioc, | |||
const char * | bindinfo, | |||
int | defaultport, | |||
int | tos, | |||
ast_io_cb | callback, | |||
void * | data | |||
) |
Definition at line 175 of file netsock.c.
References ast_log(), ast_netsock_bindaddr(), ast_strdupa, host, list, LOG_WARNING, portno, and strsep().
Referenced by set_config().
00176 { 00177 struct sockaddr_in sin; 00178 char *tmp; 00179 char *host; 00180 char *port; 00181 int portno; 00182 00183 memset(&sin, 0, sizeof(sin)); 00184 sin.sin_family = AF_INET; 00185 sin.sin_port = htons(defaultport); 00186 tmp = ast_strdupa(bindinfo); 00187 if (!tmp) { 00188 ast_log(LOG_WARNING, "Out of memory!\n"); 00189 return NULL; 00190 } 00191 00192 host = strsep(&tmp, ":"); 00193 port = tmp; 00194 00195 if (port && ((portno = atoi(port)) > 0)) 00196 sin.sin_port = htons(portno); 00197 00198 inet_aton(host, &sin.sin_addr); 00199 00200 return ast_netsock_bindaddr(list, ioc, &sin, tos, callback, data); 00201 }
struct ast_netsock* ast_netsock_bindaddr | ( | struct ast_netsock_list * | list, | |
struct io_context * | ioc, | |||
struct sockaddr_in * | bindaddr, | |||
int | tos, | |||
ast_io_cb | callback, | |||
void * | data | |||
) |
Definition at line 124 of file netsock.c.
References ast_inet_ntoa(), ast_io_add(), AST_IO_IN, ast_log(), ast_verbose(), ASTOBJ_CONTAINER_LINK, ASTOBJ_INIT, ast_netsock::bindaddr, ast_netsock::data, free, ast_netsock::ioc, ast_netsock::ioref, list, LOG_ERROR, LOG_WARNING, malloc, netsocket, option_verbose, ast_netsock::sockfd, and VERBOSE_PREFIX_2.
Referenced by ast_netsock_bind().
00125 { 00126 int netsocket = -1; 00127 int *ioref; 00128 char iabuf[INET_ADDRSTRLEN]; 00129 00130 struct ast_netsock *ns; 00131 00132 /* Make a UDP socket */ 00133 netsocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); 00134 00135 if (netsocket < 0) { 00136 ast_log(LOG_ERROR, "Unable to create network socket: %s\n", strerror(errno)); 00137 return NULL; 00138 } 00139 if (bind(netsocket,(struct sockaddr *)bindaddr, sizeof(struct sockaddr_in))) { 00140 ast_log(LOG_ERROR, "Unable to bind to %s port %d: %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), bindaddr->sin_addr), ntohs(bindaddr->sin_port), strerror(errno)); 00141 close(netsocket); 00142 return NULL; 00143 } 00144 if (option_verbose > 1) 00145 ast_verbose(VERBOSE_PREFIX_2 "Using TOS bits %d\n", tos); 00146 00147 if (setsockopt(netsocket, IPPROTO_IP, IP_TOS, &tos, sizeof(tos))) 00148 ast_log(LOG_WARNING, "Unable to set TOS to %d\n", tos); 00149 00150 ns = malloc(sizeof(struct ast_netsock)); 00151 if (ns) { 00152 /* Establish I/O callback for socket read */ 00153 ioref = ast_io_add(ioc, netsocket, callback, AST_IO_IN, ns); 00154 if (!ioref) { 00155 ast_log(LOG_WARNING, "Out of memory!\n"); 00156 close(netsocket); 00157 free(ns); 00158 return NULL; 00159 } 00160 ASTOBJ_INIT(ns); 00161 ns->ioref = ioref; 00162 ns->ioc = ioc; 00163 ns->sockfd = netsocket; 00164 ns->data = data; 00165 memcpy(&ns->bindaddr, bindaddr, sizeof(ns->bindaddr)); 00166 ASTOBJ_CONTAINER_LINK(list, ns); 00167 } else { 00168 ast_log(LOG_WARNING, "Out of memory!\n"); 00169 close(netsocket); 00170 } 00171 00172 return ns; 00173 }
struct sockaddr_in* ast_netsock_boundaddr | ( | const struct ast_netsock * | ns | ) |
Definition at line 208 of file netsock.c.
References ast_netsock::bindaddr.
00209 { 00210 return &(ns->bindaddr); 00211 }
void* ast_netsock_data | ( | const struct ast_netsock * | ns | ) |
Definition at line 213 of file netsock.c.
References ast_netsock::data.
00214 { 00215 return ns->data; 00216 }
static void ast_netsock_destroy | ( | struct ast_netsock * | netsock | ) | [static] |
Definition at line 77 of file netsock.c.
References ast_io_remove(), free, ast_netsock_list::ioc, and netsock.
Referenced by ast_netsock_release(), and ast_netsock_unref().
00078 { 00079 ast_io_remove(netsock->ioc, netsock->ioref); 00080 close(netsock->sockfd); 00081 free(netsock); 00082 }
struct ast_netsock* ast_netsock_find | ( | struct ast_netsock_list * | list, | |
struct sockaddr_in * | sa | |||
) |
Definition at line 109 of file netsock.c.
References ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_RDLOCK, ASTOBJ_UNLOCK, inaddrcmp(), and list.
Referenced by peer_set_srcaddr().
00111 { 00112 struct ast_netsock *sock = NULL; 00113 00114 ASTOBJ_CONTAINER_TRAVERSE(list, !sock, { 00115 ASTOBJ_RDLOCK(iterator); 00116 if (!inaddrcmp(&iterator->bindaddr, sa)) 00117 sock = iterator; 00118 ASTOBJ_UNLOCK(iterator); 00119 }); 00120 00121 return sock; 00122 }
int ast_netsock_init | ( | struct ast_netsock_list * | list | ) |
Definition at line 93 of file netsock.c.
References ASTOBJ_CONTAINER_INIT, and list.
Referenced by load_module().
00094 { 00095 memset(list, 0, sizeof(*list)); 00096 ASTOBJ_CONTAINER_INIT(list); 00097 00098 return 0; 00099 }
struct ast_netsock_list* ast_netsock_list_alloc | ( | void | ) |
Definition at line 84 of file netsock.c.
References calloc.
Referenced by load_module().
00085 { 00086 struct ast_netsock_list *res; 00087 00088 res = calloc(1, sizeof(*res)); 00089 00090 return res; 00091 }
int ast_netsock_release | ( | struct ast_netsock_list * | list | ) |
Definition at line 101 of file netsock.c.
References ast_netsock_destroy(), ASTOBJ_CONTAINER_DESTROY, ASTOBJ_CONTAINER_DESTROYALL, and list.
Referenced by __unload_module(), and load_module().
00102 { 00103 ASTOBJ_CONTAINER_DESTROYALL(list, ast_netsock_destroy); 00104 ASTOBJ_CONTAINER_DESTROY(list); 00105 00106 return 0; 00107 }
int ast_netsock_sockfd | ( | const struct ast_netsock * | ns | ) |
void ast_netsock_unref | ( | struct ast_netsock * | ns | ) |
Definition at line 218 of file netsock.c.
References ast_netsock_destroy(), and ASTOBJ_UNREF.
Referenced by set_config().
00219 { 00220 ASTOBJ_UNREF(ns, ast_netsock_destroy); 00221 }