Network socket handling. More...
#include "asterisk.h"
#include "asterisk/netsock.h"
#include "asterisk/utils.h"
#include "asterisk/astobj.h"
Go to the source code of this file.
Data Structures | |
struct | ast_netsock |
struct | ast_netsock_list |
Functions | |
int | ast_eid_cmp (const struct ast_eid *eid1, const struct ast_eid *eid2) |
Compare two EIDs. | |
char * | ast_eid_to_str (char *s, int maxlen, struct ast_eid *eid) |
struct ast_netsock * | ast_netsock_bind (struct ast_netsock_list *list, struct io_context *ioc, const char *bindinfo, int defaultport, int tos, int cos, ast_io_cb callback, void *data) |
struct ast_netsock * | ast_netsock_bindaddr (struct ast_netsock_list *list, struct io_context *ioc, struct sockaddr_in *bindaddr, int tos, int cos, ast_io_cb callback, void *data) |
struct 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) |
struct ast_netsock * | ast_netsock_find (struct ast_netsock_list *list, struct sockaddr_in *sa) |
int | ast_netsock_init (struct ast_netsock_list *list) |
struct ast_netsock_list * | ast_netsock_list_alloc (void) |
int | ast_netsock_release (struct ast_netsock_list *list) |
int | ast_netsock_set_qos (int netsocket, int tos, int cos, const char *desc) |
int | ast_netsock_sockfd (const struct ast_netsock *ns) |
void | ast_netsock_unref (struct ast_netsock *ns) |
void | ast_set_default_eid (struct ast_eid *eid) |
Fill in an ast_eid with the default eid of this machine. | |
int | ast_str_to_eid (struct ast_eid *eid, const char *s) |
Convert a string into an EID. |
Network socket handling.
Definition in file netsock.c.
Compare two EIDs.
Definition at line 294 of file netsock.c.
Referenced by ast_event_cb(), build_peer(), build_transactions(), destroy_trans(), dundi_answer_entity(), dundi_answer_query(), dundi_ie_append_eid_appropriately(), dundi_lookup_internal(), dundi_prop_precache(), dundi_query_thread(), evt_event_deliver_cb(), find_peer(), handle_command_response(), optimize_transactions(), and register_request().
{ return memcmp(eid1, eid2, sizeof(*eid1)); }
char* ast_eid_to_str | ( | char * | s, |
int | maxlen, | ||
struct ast_eid * | eid | ||
) |
/brief Convert an EID to a string
Definition at line 218 of file netsock.c.
References ast_eid::eid, and s.
Referenced by append_transaction(), ast_set_default_eid(), build_peer(), build_transactions(), cache_lookup(), cache_lookup_internal(), check_key(), complete_peer_helper(), destroy_trans(), do_autokill(), do_register(), do_register_expire(), dump_answer(), dump_eid(), dump_raw_ie(), dundi_answer_entity(), dundi_lookup_internal(), dundi_lookup_local(), dundi_lookup_thread(), dundi_precache_thread(), dundi_prop_precache(), dundi_query_thread(), dundi_send(), dundi_show_entityid(), dundi_show_peer(), dundi_show_peers(), dundi_show_requests(), handle_command_response(), handle_show_settings(), pbx_retrieve_variable(), populate_addr(), register_request(), and update_key().
struct ast_netsock* ast_netsock_bind | ( | struct ast_netsock_list * | list, |
struct io_context * | ioc, | ||
const char * | bindinfo, | ||
int | defaultport, | ||
int | tos, | ||
int | cos, | ||
ast_io_cb | callback, | ||
void * | data | ||
) | [read] |
Definition at line 174 of file netsock.c.
References ast_netsock_bindaddr(), ast_strdupa, inet_aton(), and strsep().
Referenced by peer_set_srcaddr(), and set_config().
{ struct sockaddr_in sin; char *tmp; char *host; char *port; int portno; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(defaultport); tmp = ast_strdupa(bindinfo); host = strsep(&tmp, ":"); port = tmp; if (port && ((portno = atoi(port)) > 0)) sin.sin_port = htons(portno); inet_aton(host, &sin.sin_addr); return ast_netsock_bindaddr(list, ioc, &sin, tos, cos, callback, data); }
struct ast_netsock* ast_netsock_bindaddr | ( | struct ast_netsock_list * | list, |
struct io_context * | ioc, | ||
struct sockaddr_in * | bindaddr, | ||
int | tos, | ||
int | cos, | ||
ast_io_cb | callback, | ||
void * | data | ||
) | [read] |
Definition at line 104 of file netsock.c.
References ast_calloc, ast_enable_packet_fragmentation(), ast_free, ast_inet_ntoa(), ast_io_add(), AST_IO_IN, ast_log(), ast_netsock_set_qos(), ASTOBJ_CONTAINER_LINK, ASTOBJ_INIT, ast_netsock::bindaddr, ast_netsock::data, errno, ast_netsock::ioc, ast_netsock::ioref, LOG_ERROR, LOG_WARNING, netsocket, and ast_netsock::sockfd.
Referenced by ast_netsock_bind().
{ int netsocket = -1; int *ioref; struct ast_netsock *ns; const int reuseFlag = 1; /* Make a UDP socket */ netsocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); if (netsocket < 0) { ast_log(LOG_ERROR, "Unable to create network socket: %s\n", strerror(errno)); return NULL; } if (setsockopt(netsocket, SOL_SOCKET, SO_REUSEADDR, (char *)&reuseFlag, sizeof reuseFlag) < 0) { ast_log(LOG_WARNING, "Error setting SO_REUSEADDR on sockfd '%d'\n", netsocket); } if (bind(netsocket,(struct sockaddr *)bindaddr, sizeof(struct sockaddr_in))) { ast_log(LOG_ERROR, "Unable to bind to %s port %d: %s\n", ast_inet_ntoa(bindaddr->sin_addr), ntohs(bindaddr->sin_port), strerror(errno)); close(netsocket); return NULL; } ast_netsock_set_qos(netsocket, tos, cos, "IAX2"); ast_enable_packet_fragmentation(netsocket); if (!(ns = ast_calloc(1, sizeof(*ns)))) { close(netsocket); return NULL; } /* Establish I/O callback for socket read */ if (!(ioref = ast_io_add(ioc, netsocket, callback, AST_IO_IN, ns))) { close(netsocket); ast_free(ns); return NULL; } ASTOBJ_INIT(ns); ns->ioref = ioref; ns->ioc = ioc; ns->sockfd = netsocket; ns->data = data; memcpy(&ns->bindaddr, bindaddr, sizeof(ns->bindaddr)); ASTOBJ_CONTAINER_LINK(list, ns); return ns; }
struct sockaddr_in* ast_netsock_boundaddr | ( | const struct ast_netsock * | ns | ) | [read] |
Definition at line 203 of file netsock.c.
References ast_netsock::bindaddr.
{ return &(ns->bindaddr); }
void* ast_netsock_data | ( | const struct ast_netsock * | ns | ) |
static void ast_netsock_destroy | ( | struct ast_netsock * | netsock | ) | [static] |
Definition at line 60 of file netsock.c.
References ast_free, ast_io_remove(), ast_netsock::ioc, ast_netsock::ioref, and ast_netsock::sockfd.
Referenced by ast_netsock_release(), and ast_netsock_unref().
{ ast_io_remove(netsock->ioc, netsock->ioref); close(netsock->sockfd); ast_free(netsock); }
struct ast_netsock* ast_netsock_find | ( | struct ast_netsock_list * | list, |
struct sockaddr_in * | sa | ||
) | [read] |
Definition at line 89 of file netsock.c.
References ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_RDLOCK, ASTOBJ_UNLOCK, and inaddrcmp().
Referenced by peer_set_srcaddr().
{ struct ast_netsock *sock = NULL; ASTOBJ_CONTAINER_TRAVERSE(list, !sock, { ASTOBJ_RDLOCK(iterator); if (!inaddrcmp(&iterator->bindaddr, sa)) sock = iterator; ASTOBJ_UNLOCK(iterator); }); return sock; }
int ast_netsock_init | ( | struct ast_netsock_list * | list | ) |
Definition at line 72 of file netsock.c.
References ASTOBJ_CONTAINER_INIT.
Referenced by load_module(), and set_config().
{ memset(list, 0, sizeof(*list)); ASTOBJ_CONTAINER_INIT(list); return 0; }
struct ast_netsock_list* ast_netsock_list_alloc | ( | void | ) | [read] |
Definition at line 67 of file netsock.c.
References ast_calloc.
Referenced by load_module(), and set_config().
{ return ast_calloc(1, sizeof(struct ast_netsock_list)); }
int ast_netsock_release | ( | struct ast_netsock_list * | list | ) |
Definition at line 80 of file netsock.c.
References ast_free, ast_netsock_destroy(), ASTOBJ_CONTAINER_DESTROY, and ASTOBJ_CONTAINER_DESTROYALL.
Referenced by __unload_module(), and set_config().
{ ASTOBJ_CONTAINER_DESTROYALL(list, ast_netsock_destroy); ASTOBJ_CONTAINER_DESTROY(list); ast_free(list); return 0; }
int ast_netsock_set_qos | ( | int | netsocket, |
int | tos, | ||
int | cos, | ||
const char * | desc | ||
) |
Definition at line 154 of file netsock.c.
References ast_log(), ast_verb, and LOG_WARNING.
Referenced by ast_netsock_bindaddr(), ast_rtp_setqos(), ast_udptl_setqos(), config_load(), load_module(), and reload_config().
{ int res; if ((res = setsockopt(netsocket, IPPROTO_IP, IP_TOS, &tos, sizeof(tos)))) ast_log(LOG_WARNING, "Unable to set %s TOS to %d, may be you have no root privileges\n", desc, tos); else if (tos) ast_verb(2, "Using %s TOS bits %d\n", desc, tos); #if defined(linux) if (setsockopt(netsocket, SOL_SOCKET, SO_PRIORITY, &cos, sizeof(cos))) ast_log(LOG_WARNING, "Unable to set %s CoS to %d\n", desc, cos); else if (cos) ast_verb(2, "Using %s CoS mark %d\n", desc, cos); #endif return res; }
int ast_netsock_sockfd | ( | const struct ast_netsock * | ns | ) |
Definition at line 198 of file netsock.c.
Referenced by peer_set_srcaddr(), and set_config().
{ return ns ? ns-> sockfd : -1; }
void ast_netsock_unref | ( | struct ast_netsock * | ns | ) |
Definition at line 213 of file netsock.c.
References ast_netsock_destroy(), and ASTOBJ_UNREF.
Referenced by peer_set_srcaddr(), and set_config().
{ ASTOBJ_UNREF(ns, ast_netsock_destroy); }
void ast_set_default_eid | ( | struct ast_eid * | eid | ) |
Fill in an ast_eid with the default eid of this machine.
Definition at line 235 of file netsock.c.
References ast_debug, ast_eid_to_str(), ast_eid::eid, and s.
Referenced by ast_readconfig().
{ #if defined(SIOCGIFHWADDR) && defined(HAVE_STRUCT_IFREQ_IFR_IFRU_IFRU_HWADDR) int s, x = 0; char eid_str[20]; struct ifreq ifr; s = socket(AF_INET, SOCK_STREAM, 0); if (s < 0) return; for (x = 0; x < 10; x++) { memset(&ifr, 0, sizeof(ifr)); snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "eth%d", x); if (ioctl(s, SIOCGIFHWADDR, &ifr)) continue; memcpy(eid, ((unsigned char *)&ifr.ifr_hwaddr) + 2, sizeof(*eid)); ast_debug(1, "Seeding global EID '%s' from '%s' using 'siocgifhwaddr'\n", ast_eid_to_str(eid_str, sizeof(eid_str), eid), ifr.ifr_name); close(s); return; } close(s); #else #if defined(ifa_broadaddr) && !defined(SOLARIS) char eid_str[20]; struct ifaddrs *ifap; if (getifaddrs(&ifap) == 0) { struct ifaddrs *p; for (p = ifap; p; p = p->ifa_next) { if ((p->ifa_addr->sa_family == AF_LINK) && !(p->ifa_flags & IFF_LOOPBACK) && (p->ifa_flags & IFF_RUNNING)) { struct sockaddr_dl* sdp = (struct sockaddr_dl*) p->ifa_addr; memcpy(&(eid->eid), sdp->sdl_data + sdp->sdl_nlen, 6); ast_debug(1, "Seeding global EID '%s' from '%s' using 'getifaddrs'\n", ast_eid_to_str(eid_str, sizeof(eid_str), eid), p->ifa_name); freeifaddrs(ifap); return; } } freeifaddrs(ifap); } #endif #endif ast_debug(1, "No ethernet interface found for seeding global EID. You will have to set it manually.\n"); }
int ast_str_to_eid | ( | struct ast_eid * | eid, |
const char * | s | ||
) |
Convert a string into an EID.
This function expects an EID in the format: 00:11:22:33:44:55
Definition at line 279 of file netsock.c.
References ast_eid::eid.
Referenced by ast_readconfig(), build_peer(), dundi_do_query(), and set_config().