forked from Mirrors/freeswitch
[mod_event_multicast] Add unicast and IPv6 support, enhanced reloadxml support.
This commit is contained in:
cerner-cac-solution-partner
Andrey Volk
parent
dfb6e3a3ef
commit
9f0656a6ba
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@ -24,6 +24,7 @@
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* Contributor(s):
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*
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* Anthony Minessale II <anthm@freeswitch.org>
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* Nick Lemberger <nlemberger@gmail.com>
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*
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*
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* mod_event_multicast.c -- Multicast Events
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@ -35,6 +36,7 @@
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#endif
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#define MULTICAST_BUFFSIZE 65536
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#define MAX_DST_HOSTS 16
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/* magic byte sequence */
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static unsigned char MAGIC[] = { 226, 132, 177, 197, 152, 198, 142, 211, 172, 197, 158, 208, 169, 208, 135, 197, 166, 207, 154, 196, 166 };
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@ -46,22 +48,50 @@ SWITCH_MODULE_RUNTIME_FUNCTION(mod_event_multicast_runtime);
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SWITCH_MODULE_DEFINITION(mod_event_multicast, mod_event_multicast_load, mod_event_multicast_shutdown, mod_event_multicast_runtime);
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static switch_memory_pool_t *module_pool = NULL;
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static char *addr_type_names[] = { "IPv4 unicast", "IPv4 multicast", "IPv6 unicast", "IPv6 multicast", "Unknown" };
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typedef enum {
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IPV4_UNICAST,
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IPV4_MULTICAST,
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IPV6_UNICAST,
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IPV6_MULTICAST,
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IP_UNKOWN_TYPE
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} addr_type_t;
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typedef struct {
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char *ipaddr;
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switch_sockaddr_t *sockaddr;
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addr_type_t addrtype;
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} dst_sockaddr_t;
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static struct {
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char *address;
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char *src_addr;
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char *src_addr6;
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char *dst_addrs;
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char *bindings;
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uint32_t key_count;
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switch_port_t port;
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switch_sockaddr_t *addr;
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int has_udp;
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int has_udp6;
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switch_sockaddr_t *src_sockaddr;
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switch_sockaddr_t *src_sockaddr6;
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switch_socket_t *udp_socket;
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switch_socket_t *udp_socket6;
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switch_hash_t *event_hash;
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uint8_t event_list[SWITCH_EVENT_ALL + 1];
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int running;
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int runtime_thread_has_to_finish;
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int runtime_processing;
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int num_dst_addrs;
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dst_sockaddr_t dst_sockaddrs[MAX_DST_HOSTS];
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uint8_t ttl;
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char *psk;
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switch_mutex_t *mutex;
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switch_thread_rwlock_t *runtime_rwlock;
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switch_hash_t *peer_hash;
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int loopback;
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uint8_t loopback;
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uint8_t loopback6;
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char configuration_md5[SWITCH_MD5_DIGEST_STRING_SIZE];
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} globals;
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struct peer_status {
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@ -69,41 +99,70 @@ struct peer_status {
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time_t lastseen;
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};
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_address, globals.address);
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_src_addr, globals.src_addr);
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_src_addr6, globals.src_addr6);
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_dst_addrs, globals.dst_addrs);
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_bindings, globals.bindings);
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#ifdef HAVE_OPENSSL
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_psk, globals.psk);
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#endif
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#define CONF_FILE "event_multicast.conf"
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#define MULTICAST_EVENT "multicast::event"
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#define MULTICAST_PEERUP "multicast::peerup"
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#define MULTICAST_PEERDOWN "multicast::peerdown"
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static switch_status_t load_config(void)
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static switch_xml_t open_config_file(const char *file_path, switch_xml_t *cfg, char *md5) {
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char *configText;
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switch_xml_t xml;
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if (!(xml = switch_xml_open_cfg(CONF_FILE, cfg, NULL))) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", CONF_FILE);
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} else if (*cfg) {
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configText = switch_xml_toxml(*cfg, SWITCH_FALSE);
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switch_md5_string(md5, configText, strlen(configText));
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switch_safe_free(configText);
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} else {
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switch_xml_free(xml);
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xml = NULL;
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}
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return xml;
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}
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static switch_status_t load_config(switch_xml_t input_cfg)
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{
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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char *cf = "event_multicast.conf";
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switch_xml_t cfg, xml, settings, param;
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switch_xml_t cfg, xml = NULL, settings, param;
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char *next, *cur;
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uint32_t count = 0;
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uint8_t custom = 0;
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globals.ttl = 1;
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globals.key_count = 0;
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globals.loopback = 0;
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globals.port = 0;
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globals.num_dst_addrs = 0;
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if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", cf);
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return SWITCH_STATUS_TERM;
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if (input_cfg) {
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cfg = input_cfg;
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} else {
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if (!(xml = open_config_file(CONF_FILE, &cfg, globals.configuration_md5))) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", CONF_FILE);
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return SWITCH_STATUS_TERM;
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}
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}
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if ((settings = switch_xml_child(cfg, "settings"))) {
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for (param = switch_xml_child(settings, "param"); param; param = param->next) {
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char *var = (char *) switch_xml_attr_soft(param, "name");
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char *val = (char *) switch_xml_attr_soft(param, "value");
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if (!strcasecmp(var, "address")) {
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set_global_address(val);
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set_global_dst_addrs(switch_strip_whitespace(val));
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} else if (!strcasecmp(var, "source_address")) {
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set_global_src_addr(switch_strip_whitespace(val));
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} else if (!strcasecmp(var, "source_address_ipv6")) {
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set_global_src_addr6(switch_strip_whitespace(val));
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} else if (!strcasecmp(var, "bindings")) {
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set_global_bindings(val);
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} else if (!strcasecmp(var, "port")) {
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@ -124,7 +183,6 @@ static switch_status_t load_config(void)
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} else if (!strcasecmp(var, "loopback")) {
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globals.loopback = switch_true(val);
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}
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}
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}
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@ -161,12 +219,250 @@ static switch_status_t load_config(void)
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}
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}
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if (zstr(globals.src_addr)) {
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set_global_src_addr("0.0.0.0");
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}
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if (zstr(globals.src_addr6)) {
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set_global_src_addr6("::");
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}
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if (!globals.key_count) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "No Bindings\n");
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "No Event Bindings\n");
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}
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return status;
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}
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static void cleanup()
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{
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/* Clean up sockets */
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if (globals.udp_socket) {
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switch_socket_shutdown(globals.udp_socket, SWITCH_SHUTDOWN_READWRITE);
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switch_socket_close(globals.udp_socket);
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globals.udp_socket = NULL;
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}
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if (globals.udp_socket6) {
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switch_socket_shutdown(globals.udp_socket6, SWITCH_SHUTDOWN_READWRITE);
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switch_socket_close(globals.udp_socket6);
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globals.udp_socket6 = NULL;
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}
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if (globals.event_hash) {
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switch_core_hash_destroy(&globals.event_hash);
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}
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if (globals.peer_hash) {
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switch_core_hash_destroy(&globals.peer_hash);
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}
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switch_safe_free(globals.src_addr);
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switch_safe_free(globals.src_addr6);
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switch_safe_free(globals.dst_addrs);
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switch_safe_free(globals.bindings);
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switch_safe_free(globals.psk);
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memset(globals.event_list, 0, SWITCH_EVENT_ALL + 1);
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}
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static switch_status_t initialize_sockets(switch_xml_t input_cfg)
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{
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switch_status_t status;
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int i, dst_host_count = 0;
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char *dst_hosts[MAX_DST_HOSTS] = { 0 };
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switch_sockaddr_t *local_ip_sockaddr;
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switch_sockaddr_t *local_ip6_sockaddr;
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switch_core_hash_init(&globals.event_hash);
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switch_core_hash_init(&globals.peer_hash);
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if (load_config(input_cfg) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Configure\n");
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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/* to attempt to avoid unicasting to ourself we need to know our IP address */
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switch_sockaddr_info_get(&local_ip_sockaddr, switch_core_get_variable("local_ip_v4"), SWITCH_INET, globals.port, 0, module_pool);
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switch_sockaddr_info_get(&local_ip6_sockaddr, switch_core_get_variable("local_ip_v6"), SWITCH_INET6, globals.port, 0, module_pool);
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/* set up the destination sockaddrs */
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dst_host_count = switch_separate_string(globals.dst_addrs, ',', dst_hosts, MAX_DST_HOSTS);
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for (i = 0; i < dst_host_count; i++) {
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char *ip_addr_groups[8] = { 0 };
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char host_string[sizeof(dst_hosts[i])];
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char ipv6_first_octet[3];
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memset(&globals.dst_sockaddrs[globals.num_dst_addrs].sockaddr, 0, sizeof(dst_sockaddr_t));
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if (globals.num_dst_addrs > MAX_DST_HOSTS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot add destination address: %s, exceeded maximum of %d\n", dst_hosts[i], MAX_DST_HOSTS);
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continue;
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}
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if (switch_sockaddr_info_get(&globals.dst_sockaddrs[globals.num_dst_addrs].sockaddr, dst_hosts[i], SWITCH_UNSPEC, globals.port, 0, module_pool) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot find address: %s\n", dst_hosts[i]);
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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/* best effort attempt to avoid unicasting to ourself */
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if (switch_cmp_addr(globals.dst_sockaddrs[globals.num_dst_addrs].sockaddr, local_ip_sockaddr, SWITCH_FALSE) || switch_cmp_addr(globals.dst_sockaddrs[globals.num_dst_addrs].sockaddr, local_ip6_sockaddr, SWITCH_FALSE)) {
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/* this address is on this box, cancel the destination sockaddr setup and move on to the next address */
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Local IP, not adding as peer: %s\n", dst_hosts[i]);
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globals.dst_sockaddrs[globals.num_dst_addrs].sockaddr = NULL;
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globals.dst_sockaddrs[globals.num_dst_addrs].ipaddr = NULL;
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continue;
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}
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/* flag this address with the address type */
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strcpy(host_string, dst_hosts[i]);
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if (switch_sockaddr_get_family(globals.dst_sockaddrs[globals.num_dst_addrs].sockaddr) == SWITCH_INET) {
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globals.has_udp = 1;
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switch_separate_string(host_string, '.', ip_addr_groups, sizeof(ip_addr_groups) / sizeof(ip_addr_groups[0]));
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/* IPv4 multicast addresses start with numbers between 224 & 239 inclusive */
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if (switch_safe_atoi(ip_addr_groups[0], 0) >= 224 && switch_safe_atoi(ip_addr_groups[0], 0) <= 239) {
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globals.dst_sockaddrs[globals.num_dst_addrs].addrtype = IPV4_MULTICAST;
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} else {
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globals.dst_sockaddrs[globals.num_dst_addrs].addrtype = IPV4_UNICAST;
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}
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} else if (switch_sockaddr_get_family(globals.dst_sockaddrs[globals.num_dst_addrs].sockaddr) == SWITCH_INET6) {
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globals.has_udp6 = 1;
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switch_separate_string(host_string, ':', ip_addr_groups, 8);
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/* IPv6 multicast addresses have FF as the first octet */
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memcpy(ipv6_first_octet, ip_addr_groups[0], 2);
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ipv6_first_octet[2] = '\0';
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if (strcasecmp(ipv6_first_octet, "FF") == 0) {
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globals.dst_sockaddrs[globals.num_dst_addrs].addrtype = IPV6_MULTICAST;
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} else {
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globals.dst_sockaddrs[globals.num_dst_addrs].addrtype = IPV6_UNICAST;
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}
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} else {
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globals.dst_sockaddrs[globals.num_dst_addrs].addrtype = IP_UNKOWN_TYPE;
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unkown address family for peer: %s\n", dst_hosts[i]);
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}
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/* store this address in our list of peers */
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Added %s peer: %s", addr_type_names[globals.dst_sockaddrs[globals.num_dst_addrs].addrtype], dst_hosts[i]);
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globals.dst_sockaddrs[globals.num_dst_addrs].ipaddr = switch_core_strdup(module_pool, dst_hosts[i]);
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globals.num_dst_addrs++;
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}
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/* create IPv4 source socket */
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if (globals.has_udp == 1) {
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/* create IPv4 listen sockaddr*/
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if (switch_sockaddr_info_get(&globals.src_sockaddr, globals.src_addr, SWITCH_INET, globals.port, 0, module_pool) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot set IPv4 source address: %s\n", globals.src_addr);
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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/* create IPv4 socket */
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if (switch_socket_create(&globals.udp_socket, AF_INET, SOCK_DGRAM, 0, module_pool) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to create IPv4 Socket\n");
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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if (switch_socket_opt_set(globals.udp_socket, SWITCH_SO_REUSEADDR, 1) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "IPv4 unable to resue socket\n");
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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if (switch_socket_opt_set(globals.udp_socket, SWITCH_SO_NONBLOCK, TRUE) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "IPv4 unable to set nonblocking mode on socket\n");
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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/* no harm in doing this even without multicast destinations */
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if (switch_mcast_hops(globals.udp_socket, globals.ttl) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set IPv4 multicast ttl to '%d'\n", globals.ttl);
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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if (switch_mcast_loopback(globals.udp_socket, globals.loopback) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set IPv4 multicast loopback to '%d'\n", globals.loopback);
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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/* start listening on this IPv4 socket */
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if (switch_socket_bind(globals.udp_socket, globals.src_sockaddr) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to bind IPv4 Socket\n");
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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} else {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "IPv4 source set to: %s\n", globals.src_addr);
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}
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}
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/* create IPv6 source socket */
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if (globals.has_udp6 == 1) {
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/* create IPv6 listen sockaddr */
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if (switch_sockaddr_info_get(&globals.src_sockaddr6, globals.src_addr6, SWITCH_INET6, globals.port, 0, module_pool) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot set IPv6 source address: %s\n", globals.src_addr6);
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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/* create IPv6 socket */
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if (switch_socket_create(&globals.udp_socket6, AF_INET6, SOCK_DGRAM, 0, module_pool) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to create IPv6 Socket\n");
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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if (switch_socket_opt_set(globals.udp_socket6, SWITCH_SO_REUSEADDR, 1) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "IPv6 unable to reuse socket\n");
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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if (switch_socket_opt_set(globals.udp_socket6, SWITCH_SO_NONBLOCK, TRUE) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "IPv6 unable to set nonblocking mode on socket\n");
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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/* no harm in doing this even without multicast destinations */
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/* Bug in APR < v1.2.13, cannot set TTL on IPv6 multicast sockets */
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/*
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if (switch_mcast_hops(globals.udp_socket6, globals.ttl) != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set IPv6 multicast ttl to '%d'\n", globals.ttl);
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switch_goto_status(SWITCH_STATUS_TERM, fail);
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}
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*/
|
||||
|
||||
if (switch_mcast_loopback(globals.udp_socket6, globals.loopback6) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set IPv6 multicast loopback to '%d'\n", globals.loopback6);
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
|
||||
/* start listening on this IPv6 socket */
|
||||
if (switch_socket_bind(globals.udp_socket6, globals.src_sockaddr6) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to bind IPv6 Socket\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "IPv6 source set to: %s\n", globals.src_addr6);
|
||||
}
|
||||
}
|
||||
|
||||
/* join multicast destinations */
|
||||
for (i = 0; i < globals.num_dst_addrs; i++) {
|
||||
if (globals.dst_sockaddrs[i].addrtype == IPV4_MULTICAST) {
|
||||
if (switch_mcast_join(globals.udp_socket, globals.dst_sockaddrs[i].sockaddr, NULL, NULL) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Multicast Error\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
}
|
||||
|
||||
if (globals.dst_sockaddrs[i].addrtype == IPV6_MULTICAST) {
|
||||
if (switch_mcast_join(globals.udp_socket6, globals.dst_sockaddrs[i].sockaddr, NULL, NULL) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Multicast Error\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* indicate that the module should continue to be loaded */
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
|
||||
fail:
|
||||
cleanup();
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
static void event_handler(switch_event_t *event)
|
||||
|
|
@ -221,21 +517,42 @@ static void event_handler(switch_event_t *event)
|
|||
}
|
||||
|
||||
if (event->event_id == SWITCH_EVENT_RELOADXML) {
|
||||
switch_bool_t config_changed = SWITCH_FALSE;
|
||||
char tempMD5[SWITCH_MD5_DIGEST_STRING_SIZE];
|
||||
switch_xml_t xml, cfg;
|
||||
|
||||
if (!(xml = open_config_file(CONF_FILE, &cfg, tempMD5))) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", CONF_FILE);
|
||||
return;
|
||||
}
|
||||
|
||||
switch_mutex_lock(globals.mutex);
|
||||
switch_core_hash_destroy(&globals.event_hash);
|
||||
globals.event_hash = NULL;
|
||||
if (globals.psk) {
|
||||
switch_safe_free(globals.psk);
|
||||
globals.psk = NULL;
|
||||
}
|
||||
switch_core_hash_init(&globals.event_hash);
|
||||
memset(globals.event_list, 0, SWITCH_EVENT_ALL + 1);
|
||||
if (load_config() != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Failed to reload config file\n");
|
||||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Event Multicast Reloaded\n");
|
||||
|
||||
config_changed = strcmp(globals.configuration_md5, tempMD5) ? SWITCH_TRUE : SWITCH_FALSE;
|
||||
/* If the config has changed, reload the configuration */
|
||||
if (config_changed) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Configuration changed, reloading\n");
|
||||
switch_thread_rwlock_wrlock(globals.runtime_rwlock);
|
||||
|
||||
cleanup();
|
||||
|
||||
/* Re-initialize the module */
|
||||
if (initialize_sockets(cfg) != SWITCH_STATUS_SUCCESS) {
|
||||
globals.runtime_processing = 0;
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unable to reinitialize sockets.\n");
|
||||
/* Invalidate current configuration md5 */
|
||||
switch_md5_string(globals.configuration_md5, "", strlen(""));
|
||||
} else {
|
||||
switch_md5_string(globals.configuration_md5, tempMD5, strlen(tempMD5));
|
||||
globals.runtime_processing = 1;
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Reloaded\n");
|
||||
}
|
||||
|
||||
switch_thread_rwlock_unlock(globals.runtime_rwlock);
|
||||
}
|
||||
|
||||
switch_mutex_unlock(globals.mutex);
|
||||
switch_xml_free(xml);
|
||||
}
|
||||
|
||||
if (event->event_id == SWITCH_EVENT_HEARTBEAT) {
|
||||
|
|
@ -289,6 +606,8 @@ static void event_handler(switch_event_t *event)
|
|||
if (switch_event_serialize(event, &packet, SWITCH_TRUE) == SWITCH_STATUS_SUCCESS) {
|
||||
size_t len;
|
||||
char *buf;
|
||||
int i;
|
||||
|
||||
#ifdef HAVE_OPENSSL
|
||||
int outlen, tmplen;
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x10100000
|
||||
|
|
@ -349,7 +668,19 @@ static void event_handler(switch_event_t *event)
|
|||
}
|
||||
#endif
|
||||
|
||||
switch_socket_sendto(globals.udp_socket, globals.addr, 0, buf, &len);
|
||||
for (i = 0; i < globals.num_dst_addrs; i++) {
|
||||
/* Send to IPv4 */
|
||||
if (globals.dst_sockaddrs[i].addrtype == IPV4_UNICAST || globals.dst_sockaddrs[i].addrtype == IPV4_MULTICAST) {
|
||||
switch_socket_sendto(globals.udp_socket, globals.dst_sockaddrs[i].sockaddr, 0, buf, &len);
|
||||
}
|
||||
|
||||
/* Send to IPv4 */
|
||||
if (globals.dst_sockaddrs[i].addrtype == IPV6_UNICAST || globals.dst_sockaddrs[i].addrtype == IPV6_MULTICAST) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sending message to IPv6: %s\n", globals.dst_sockaddrs[i].ipaddr);
|
||||
switch_socket_sendto(globals.udp_socket6, globals.dst_sockaddrs[i].sockaddr, 0, buf, &len);
|
||||
}
|
||||
}
|
||||
|
||||
switch_safe_free(packet);
|
||||
switch_safe_free(buf);
|
||||
}
|
||||
|
|
@ -359,6 +690,108 @@ static void event_handler(switch_event_t *event)
|
|||
return;
|
||||
}
|
||||
|
||||
static switch_status_t process_packet(char* packet, size_t len)
|
||||
{
|
||||
char *m;
|
||||
switch_event_t *local_event;
|
||||
|
||||
#ifdef HAVE_OPENSSL
|
||||
if (globals.psk) {
|
||||
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
|
||||
char *tmp;
|
||||
int outl, tmplen;
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
|
||||
EVP_CIPHER_CTX *ctx;
|
||||
#else
|
||||
EVP_CIPHER_CTX ctx;
|
||||
#endif
|
||||
|
||||
len -= SWITCH_UUID_FORMATTED_LENGTH;
|
||||
|
||||
tmp = malloc(len);
|
||||
|
||||
memset(tmp, 0, len);
|
||||
|
||||
switch_copy_string(uuid_str, packet, SWITCH_UUID_FORMATTED_LENGTH);
|
||||
packet += SWITCH_UUID_FORMATTED_LENGTH;
|
||||
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
|
||||
ctx = EVP_CIPHER_CTX_new();
|
||||
EVP_DecryptInit(ctx, EVP_bf_cbc(), NULL, NULL);
|
||||
EVP_CIPHER_CTX_set_key_length(ctx, strlen(globals.psk));
|
||||
EVP_DecryptInit(ctx, NULL, (unsigned char *)globals.psk, (unsigned char *)uuid_str);
|
||||
EVP_DecryptUpdate(ctx, (unsigned char *)tmp, &outl, (unsigned char *)packet, (int)len);
|
||||
EVP_DecryptFinal(ctx, (unsigned char *)tmp + outl, &tmplen);
|
||||
EVP_CIPHER_CTX_free(ctx);
|
||||
#else
|
||||
EVP_CIPHER_CTX_init(&ctx);
|
||||
EVP_DecryptInit(&ctx, EVP_bf_cbc(), NULL, NULL);
|
||||
EVP_CIPHER_CTX_set_key_length(&ctx, strlen(globals.psk));
|
||||
EVP_DecryptInit(&ctx, NULL, (unsigned char *)globals.psk, (unsigned char *)uuid_str);
|
||||
EVP_DecryptUpdate(&ctx, (unsigned char *)tmp, &outl, (unsigned char *)packet, (int)len);
|
||||
EVP_DecryptFinal(&ctx, (unsigned char *)tmp + outl, &tmplen);
|
||||
EVP_CIPHER_CTX_cleanup(&ctx);
|
||||
#endif
|
||||
|
||||
*(tmp + outl + tmplen) = '\0';
|
||||
|
||||
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "decrypted event as %s\n----------\n of actual length %d (%d) %d\n", tmp, outl + tmplen, (int) len, (int) strlen(tmp)); */
|
||||
packet = tmp;
|
||||
|
||||
}
|
||||
#endif
|
||||
|
||||
if ((m = strchr(packet, (int)MAGIC[0])) != 0) {
|
||||
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found start of magic string\n"); */
|
||||
if (!strncmp((char *)MAGIC, m, strlen((char *)MAGIC))) {
|
||||
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found entire magic string\n"); */
|
||||
*m = '\0';
|
||||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Inbound event packet is missing the complete validation string.\n");
|
||||
return SWITCH_STATUS_NOOP;
|
||||
}
|
||||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Failed to validate inbound event packet, is your PSK correctly configured?\n");
|
||||
return SWITCH_STATUS_NOOP;
|
||||
}
|
||||
|
||||
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "\nEVENT %d\n--------------------------------\n%s\n", (int) len, packet); */
|
||||
if (switch_event_create_subclass(&local_event, SWITCH_EVENT_CUSTOM, MULTICAST_EVENT) == SWITCH_STATUS_SUCCESS) {
|
||||
char *var, *val, *term = NULL, tmpname[128];
|
||||
switch_event_add_header_string(local_event, SWITCH_STACK_BOTTOM, "Multicast", "yes");
|
||||
var = packet;
|
||||
while (var && *var) {
|
||||
if ((val = strchr(var, ':')) != 0) {
|
||||
*val++ = '\0';
|
||||
while (*val == ' ') {
|
||||
val++;
|
||||
}
|
||||
if ((term = strchr(val, '\r')) != 0 || (term = strchr(val, '\n')) != 0) {
|
||||
*term = '\0';
|
||||
while (*term == '\r' || *term == '\n') {
|
||||
term++;
|
||||
}
|
||||
}
|
||||
switch_url_decode(val);
|
||||
switch_snprintf(tmpname, sizeof(tmpname), "Orig-%s", var);
|
||||
switch_event_add_header_string(local_event, SWITCH_STACK_BOTTOM, tmpname, val);
|
||||
var = term + 1;
|
||||
} else {
|
||||
/* This should be our magic packet, done processing incoming headers */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (var && strlen(var) > 1) {
|
||||
switch_event_add_body(local_event, "%s", var);
|
||||
}
|
||||
|
||||
return switch_event_fire(&local_event);
|
||||
}
|
||||
|
||||
return SWITCH_STATUS_NOOP;
|
||||
}
|
||||
|
||||
SWITCH_STANDARD_API(multicast_peers)
|
||||
{
|
||||
switch_hash_index_t *cur;
|
||||
|
|
@ -368,8 +801,26 @@ SWITCH_STANDARD_API(multicast_peers)
|
|||
time_t now = switch_epoch_time_now(NULL);
|
||||
struct peer_status *last;
|
||||
char *host;
|
||||
int i = 0;
|
||||
int i;
|
||||
|
||||
switch_mutex_lock(globals.mutex);
|
||||
|
||||
/* Output current module state */
|
||||
stream->write_function(stream, "Module state: ");
|
||||
if (globals.running == 1 && globals.runtime_processing == 1) {
|
||||
stream->write_function(stream, "Active\n\n");
|
||||
} else {
|
||||
stream->write_function(stream, "Inactive\n\n");
|
||||
}
|
||||
|
||||
stream->write_function(stream, "Configured peers:\n");
|
||||
for (i = 0; i < globals.num_dst_addrs; i++) {
|
||||
stream->write_function(stream, "\t%s: %s\n", addr_type_names[globals.dst_sockaddrs[i].addrtype], globals.dst_sockaddrs[i].ipaddr);
|
||||
}
|
||||
|
||||
stream->write_function(stream, "\n\n");
|
||||
|
||||
i = 0;
|
||||
for (cur = switch_core_hash_first(globals.peer_hash); cur; cur = switch_core_hash_next(&cur)) {
|
||||
switch_core_hash_this(cur, &key, &keylen, &value);
|
||||
host = (char *) key;
|
||||
|
|
@ -383,6 +834,8 @@ SWITCH_STANDARD_API(multicast_peers)
|
|||
stream->write_function(stream, "No multicast peers seen\n");
|
||||
}
|
||||
|
||||
switch_mutex_unlock(globals.mutex);
|
||||
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
|
|
@ -396,51 +849,14 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_event_multicast_load)
|
|||
switch_mutex_init(&globals.mutex, SWITCH_MUTEX_NESTED, pool);
|
||||
module_pool = pool;
|
||||
|
||||
switch_core_hash_init(&globals.event_hash);
|
||||
switch_core_hash_init(&globals.peer_hash);
|
||||
switch_thread_rwlock_create(&globals.runtime_rwlock, pool);
|
||||
|
||||
globals.key_count = 0;
|
||||
|
||||
if (load_config() != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Configure\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
|
||||
if (switch_sockaddr_info_get(&globals.addr, globals.address, SWITCH_UNSPEC, globals.port, 0, module_pool) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot find address\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
|
||||
if (switch_socket_create(&globals.udp_socket, AF_INET, SOCK_DGRAM, 0, module_pool) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
|
||||
if (switch_socket_opt_set(globals.udp_socket, SWITCH_SO_REUSEADDR, 1) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Option Error\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
|
||||
if (switch_mcast_join(globals.udp_socket, globals.addr, NULL, NULL) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Multicast Error\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
|
||||
if (switch_mcast_hops(globals.udp_socket, globals.ttl) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set ttl to '%d'\n", globals.ttl);
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
|
||||
if (switch_mcast_loopback(globals.udp_socket, (uint8_t)globals.loopback) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set loopback to '%d'\n", globals.loopback);
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
}
|
||||
|
||||
if (switch_socket_bind(globals.udp_socket, globals.addr) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Bind Error\n");
|
||||
switch_goto_status(SWITCH_STATUS_TERM, fail);
|
||||
if (initialize_sockets(NULL) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to initialize sockets.");
|
||||
switch_goto_status(SWITCH_STATUS_GENERR, fail);
|
||||
}
|
||||
|
||||
/* Reserve the module specific events */
|
||||
if (switch_event_reserve_subclass(MULTICAST_EVENT) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't register subclass %s!\n", MULTICAST_EVENT);
|
||||
switch_goto_status(SWITCH_STATUS_GENERR, fail);
|
||||
|
|
@ -456,13 +872,11 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_event_multicast_load)
|
|||
switch_goto_status(SWITCH_STATUS_GENERR, fail);
|
||||
}
|
||||
|
||||
/* Bind to the event bus */
|
||||
if (switch_event_bind(modname, SWITCH_EVENT_ALL, SWITCH_EVENT_SUBCLASS_ANY, event_handler, NULL) != SWITCH_STATUS_SUCCESS) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind to event bus!\n");
|
||||
switch_goto_status(SWITCH_STATUS_GENERR, fail);
|
||||
}
|
||||
#ifdef USE_NONBLOCK
|
||||
switch_socket_opt_set(globals.udp_socket, SWITCH_SO_NONBLOCK, TRUE);
|
||||
#endif
|
||||
|
||||
/* connect my internal structure to the blank pointer passed to me */
|
||||
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
|
||||
|
|
@ -475,42 +889,31 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_event_multicast_load)
|
|||
|
||||
fail:
|
||||
|
||||
if (globals.udp_socket) {
|
||||
switch_socket_close(globals.udp_socket);
|
||||
}
|
||||
|
||||
switch_event_free_subclass(MULTICAST_EVENT);
|
||||
switch_event_free_subclass(MULTICAST_PEERUP);
|
||||
switch_event_free_subclass(MULTICAST_PEERDOWN);
|
||||
|
||||
return status;
|
||||
|
||||
}
|
||||
|
||||
|
||||
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_event_multicast_shutdown)
|
||||
{
|
||||
globals.running = 0;
|
||||
switch_event_unbind_callback(event_handler);
|
||||
|
||||
switch_mutex_lock(globals.mutex);
|
||||
if (globals.udp_socket) {
|
||||
switch_socket_shutdown(globals.udp_socket, 2);
|
||||
while (globals.runtime_thread_has_to_finish) {
|
||||
switch_yield(100 * 1000);
|
||||
}
|
||||
|
||||
switch_mutex_lock(globals.mutex);
|
||||
|
||||
switch_event_free_subclass(MULTICAST_EVENT);
|
||||
switch_event_free_subclass(MULTICAST_PEERUP);
|
||||
switch_event_free_subclass(MULTICAST_PEERDOWN);
|
||||
|
||||
if (globals.event_hash) {
|
||||
switch_core_hash_destroy(&globals.event_hash);
|
||||
}
|
||||
if (globals.peer_hash) {
|
||||
switch_core_hash_destroy(&globals.peer_hash);
|
||||
}
|
||||
cleanup();
|
||||
|
||||
switch_safe_free(globals.address);
|
||||
switch_safe_free(globals.bindings);
|
||||
switch_thread_rwlock_destroy(globals.runtime_rwlock);
|
||||
switch_mutex_unlock(globals.mutex);
|
||||
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
|
|
@ -518,141 +921,77 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_event_multicast_shutdown)
|
|||
|
||||
SWITCH_MODULE_RUNTIME_FUNCTION(mod_event_multicast_runtime)
|
||||
{
|
||||
switch_event_t *local_event;
|
||||
char *buf, *m;
|
||||
switch_sockaddr_t *addr;
|
||||
char *buf;
|
||||
|
||||
globals.runtime_thread_has_to_finish = 1;
|
||||
|
||||
buf = (char *) malloc(MULTICAST_BUFFSIZE);
|
||||
switch_assert(buf);
|
||||
switch_sockaddr_info_get(&addr, NULL, SWITCH_UNSPEC, 0, 0, module_pool);
|
||||
globals.running = 1;
|
||||
globals.runtime_processing = 1;
|
||||
while (globals.running == 1) {
|
||||
char *myaddr;
|
||||
int rxdata = 0;
|
||||
size_t len = MULTICAST_BUFFSIZE - 1;
|
||||
char *packet;
|
||||
switch_status_t status;
|
||||
memset(buf, 0, len + 1);
|
||||
|
||||
switch_sockaddr_ip_get(&myaddr, globals.addr);
|
||||
if ((status = switch_socket_recvfrom(addr, globals.udp_socket, 0, buf, &len)) != SWITCH_STATUS_SUCCESS || !len || !globals.running) {
|
||||
switch_thread_rwlock_rdlock(globals.runtime_rwlock);
|
||||
|
||||
if (globals.running != 1) {
|
||||
switch_thread_rwlock_unlock(globals.runtime_rwlock);
|
||||
break;
|
||||
}
|
||||
#ifdef USE_NONBLOCK
|
||||
if (!len) {
|
||||
if (SWITCH_STATUS_IS_BREAK(status)) {
|
||||
switch_yield(100000);
|
||||
continue;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
|
||||
packet = buf;
|
||||
|
||||
#ifdef HAVE_OPENSSL
|
||||
if (globals.psk) {
|
||||
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
|
||||
char *tmp;
|
||||
int outl, tmplen;
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
|
||||
EVP_CIPHER_CTX *ctx;
|
||||
#else
|
||||
EVP_CIPHER_CTX ctx;
|
||||
#endif
|
||||
|
||||
len -= SWITCH_UUID_FORMATTED_LENGTH;
|
||||
|
||||
tmp = malloc(len);
|
||||
|
||||
memset(tmp, 0, len);
|
||||
|
||||
switch_copy_string(uuid_str, packet, SWITCH_UUID_FORMATTED_LENGTH);
|
||||
packet += SWITCH_UUID_FORMATTED_LENGTH;
|
||||
|
||||
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
|
||||
ctx = EVP_CIPHER_CTX_new();
|
||||
EVP_DecryptInit(ctx, EVP_bf_cbc(), NULL, NULL);
|
||||
EVP_CIPHER_CTX_set_key_length(ctx, strlen(globals.psk));
|
||||
EVP_DecryptInit(ctx, NULL, (unsigned char *) globals.psk, (unsigned char *) uuid_str);
|
||||
EVP_DecryptUpdate(ctx, (unsigned char *) tmp, &outl, (unsigned char *) packet, (int) len);
|
||||
EVP_DecryptFinal(ctx, (unsigned char *) tmp + outl, &tmplen);
|
||||
EVP_CIPHER_CTX_free(ctx);
|
||||
#else
|
||||
EVP_CIPHER_CTX_init(&ctx);
|
||||
EVP_DecryptInit(&ctx, EVP_bf_cbc(), NULL, NULL);
|
||||
EVP_CIPHER_CTX_set_key_length(&ctx, strlen(globals.psk));
|
||||
EVP_DecryptInit(&ctx, NULL, (unsigned char *) globals.psk, (unsigned char *) uuid_str);
|
||||
EVP_DecryptUpdate(&ctx, (unsigned char *) tmp, &outl, (unsigned char *) packet, (int) len);
|
||||
EVP_DecryptFinal(&ctx, (unsigned char *) tmp + outl, &tmplen);
|
||||
EVP_CIPHER_CTX_cleanup(&ctx);
|
||||
#endif
|
||||
|
||||
*(tmp + outl + tmplen) = '\0';
|
||||
|
||||
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "decrypted event as %s\n----------\n of actual length %d (%d) %d\n", tmp, outl + tmplen, (int) len, (int) strlen(tmp)); */
|
||||
packet = tmp;
|
||||
|
||||
}
|
||||
#endif
|
||||
if ((m = strchr(packet, (int) MAGIC[0])) != 0) {
|
||||
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found start of magic string\n"); */
|
||||
if (!strncmp((char *) MAGIC, m, strlen((char *) MAGIC))) {
|
||||
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found entire magic string\n"); */
|
||||
*m = '\0';
|
||||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Failed to find entire magic string\n");
|
||||
continue;
|
||||
}
|
||||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Failed to find start of magic string\n");
|
||||
} else if (globals.runtime_processing != 1) {
|
||||
switch_thread_rwlock_unlock(globals.runtime_rwlock);
|
||||
switch_yield(100 * 1000);
|
||||
continue;
|
||||
}
|
||||
|
||||
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "\nEVENT %d\n--------------------------------\n%s\n", (int) len, packet); */
|
||||
if (switch_event_create_subclass(&local_event, SWITCH_EVENT_CUSTOM, MULTICAST_EVENT) == SWITCH_STATUS_SUCCESS) {
|
||||
char *var, *val, *term = NULL, tmpname[128];
|
||||
switch_event_add_header_string(local_event, SWITCH_STACK_BOTTOM, "Multicast", "yes");
|
||||
var = packet;
|
||||
while (var && *var) {
|
||||
if ((val = strchr(var, ':')) != 0) {
|
||||
*val++ = '\0';
|
||||
while (*val == ' ') {
|
||||
val++;
|
||||
}
|
||||
if ((term = strchr(val, '\r')) != 0 || (term = strchr(val, '\n')) != 0) {
|
||||
*term = '\0';
|
||||
while (*term == '\r' || *term == '\n') {
|
||||
term++;
|
||||
}
|
||||
}
|
||||
switch_url_decode(val);
|
||||
switch_snprintf(tmpname, sizeof(tmpname), "Orig-%s", var);
|
||||
switch_event_add_header_string(local_event, SWITCH_STACK_BOTTOM, tmpname, val);
|
||||
var = term + 1;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
memset(buf, 0, len + 1);
|
||||
|
||||
/* If there's data in the IPv4 packet, process it */
|
||||
if (globals.has_udp == 1) {
|
||||
status = switch_socket_recv(globals.udp_socket, buf, &len);
|
||||
if (globals.running == 0 || (!SWITCH_STATUS_IS_BREAK(status) && status != SWITCH_STATUS_SUCCESS)) {
|
||||
switch_thread_rwlock_unlock(globals.runtime_rwlock);
|
||||
break;
|
||||
}
|
||||
|
||||
if (var && strlen(var) > 1) {
|
||||
switch_event_add_body(local_event, "%s", var);
|
||||
/* Did we get data? */
|
||||
if (len && len > SWITCH_UUID_FORMATTED_LENGTH) {
|
||||
rxdata = 1;
|
||||
process_packet(buf, len);
|
||||
}
|
||||
|
||||
switch_event_fire(&local_event);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
/* If there's data in the IPv6 packet, process it */
|
||||
len = MULTICAST_BUFFSIZE - 1;
|
||||
memset(buf, 0, len + 1);
|
||||
if (globals.has_udp6 == 1) {
|
||||
status = switch_socket_recv(globals.udp_socket6, buf, &len);
|
||||
if (globals.running == 0 || (!SWITCH_STATUS_IS_BREAK(status) && status != SWITCH_STATUS_SUCCESS)) {
|
||||
switch_thread_rwlock_unlock(globals.runtime_rwlock);
|
||||
break;
|
||||
}
|
||||
|
||||
/* Did we get data? */
|
||||
if (len && len > SWITCH_UUID_FORMATTED_LENGTH) {
|
||||
rxdata = 1;
|
||||
process_packet(buf, len);
|
||||
}
|
||||
}
|
||||
|
||||
if (globals.udp_socket) {
|
||||
switch_socket_close(globals.udp_socket);
|
||||
globals.udp_socket = NULL;
|
||||
/* Nonblocking sockets are required, re-run loop if we got data, else yield */
|
||||
if (rxdata == 1) {
|
||||
switch_thread_rwlock_unlock(globals.runtime_rwlock);
|
||||
continue;
|
||||
}
|
||||
|
||||
switch_thread_rwlock_unlock(globals.runtime_rwlock);
|
||||
switch_yield(500000);
|
||||
}
|
||||
|
||||
globals.running = 0;
|
||||
free(buf);
|
||||
globals.runtime_thread_has_to_finish = 0;
|
||||
return SWITCH_STATUS_TERM;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue