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rtpengine
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rtpengine/daemon/main.c

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#include "main.h"
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <sys/resource.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include <stdlib.h>
#include <time.h>
#include <ifaddrs.h>
#include <net/if.h>
#include "poller.h"
#include "control_tcp.h"
#include "control_udp.h"
#include "control_ng.h"
#include "aux.h"
#include "log.h"
#include "call.h"
#include "kernel.h"
#include "redis.h"
#include "sdp.h"
#include "dtls.h"
#include "call_interfaces.h"
#include "cli.h"
#include "graphite.h"
#include "ice.h"
#include "socket.h"
#include "media_socket.h"
#include "homer.h"
#include "recording.h"
#include "auxlib.h"
#include "rtcp.h"
#include "iptables.h"
#include "statistics.h"
#include "graphite.h"
#include "codeclib.h"
#include "load.h"
#include "ssllib.h"
#include "media_player.h"
struct poller *rtpe_poller;
struct rtpengine_config initial_rtpe_config;
struct rtpengine_config rtpe_config = {
// non-zero defaults
.kernel_table = -1,
.max_sessions = -1,
.delete_delay = 30,
.redis_subscribed_keyspaces = G_QUEUE_INIT,
.redis_expires_secs = 86400,
.interfaces = G_QUEUE_INIT,
.homer_protocol = SOCK_DGRAM,
.homer_id = 2001,
.port_min = 30000,
.port_max = 40000,
.redis_db = -1,
.redis_write_db = -1,
.redis_allowed_errors = -1,
.redis_disable_time = 10,
.redis_connect_timeout = 1000,
.rec_method = "pcap",
.rec_format = "raw",
.media_num_threads = -1,
};
static void sighandler(gpointer x) {
sigset_t ss;
int ret;
struct timespec ts;
sigemptyset(&ss);
sigaddset(&ss, SIGINT);
sigaddset(&ss, SIGTERM);
sigaddset(&ss, SIGUSR1);
sigaddset(&ss, SIGUSR2);
ts.tv_sec = 0;
ts.tv_nsec = 100000000; /* 0.1 sec */
while (!rtpe_shutdown) {
ret = sigtimedwait(&ss, NULL, &ts);
if (ret == -1) {
if (errno == EAGAIN || errno == EINTR)
continue;
abort();
}
if (ret == SIGINT || ret == SIGTERM)
rtpe_shutdown = 1;
else if (ret == SIGUSR1) {
if (get_log_level() > 0) {
g_atomic_int_add(&rtpe_config.common.log_level, -1);
ilog(get_log_level(), "Set log level to %d\n",
get_log_level());
}
}
else if (ret == SIGUSR2) {
if (get_log_level() < 7) {
g_atomic_int_add(&rtpe_config.common.log_level, 1);
ilog(get_log_level(), "Set log level to %d\n",
get_log_level());
}
}
else
abort();
}
}
static void signals(void) {
sigset_t ss;
sigfillset(&ss);
sigdelset(&ss, SIGABRT);
sigdelset(&ss, SIGSEGV);
sigdelset(&ss, SIGQUIT);
sigprocmask(SIG_SETMASK, &ss, NULL);
pthread_sigmask(SIG_SETMASK, &ss, NULL);
}
static void resources(void) {
struct rlimit rl;
int tryv;
rlim(RLIMIT_CORE, RLIM_INFINITY);
if (getrlimit(RLIMIT_NOFILE, &rl))
rl.rlim_cur = 0;
for (tryv = ((1<<20) - 1); tryv && tryv > rl.rlim_cur && rlim(RLIMIT_NOFILE, tryv) == -1; tryv >>= 1)
;
rlim(RLIMIT_DATA, RLIM_INFINITY);
rlim(RLIMIT_RSS, RLIM_INFINITY);
rlim(RLIMIT_AS, RLIM_INFINITY);
}
static int if_addr_parse(GQueue *q, char *s, struct ifaddrs *ifas) {
str name;
char *c;
sockaddr_t *addr, adv;
GQueue addrs = G_QUEUE_INIT;
struct intf_config *ifa;
/* name */
c = strchr(s, '/');
if (c) {
*c++ = 0;
str_init(&name, s);
s = c;
}
else
str_init(&name, "default");
/* advertised address */
c = strchr(s, '!');
if (c)
*c++ = 0;
/* address */
addr = g_slice_alloc(sizeof(*addr));
if (!sockaddr_parse_any(addr, s)) {
if (is_addr_unspecified(addr))
return -1;
g_queue_push_tail(&addrs, addr);
}
else {
// could be an interface name?
ilog(LOG_DEBUG, "Could not parse '%s' as network address, checking to see if "
"it's an interface", s);
for (struct ifaddrs *ifa = ifas; ifa; ifa = ifa->ifa_next) {
if (strcmp(ifa->ifa_name, s))
continue;
if (!(ifa->ifa_flags & IFF_UP))
continue;
if (!ifa->ifa_addr)
continue;
if (ifa->ifa_addr->sa_family == AF_INET) {
struct sockaddr_in *sin = (void *) ifa->ifa_addr;
addr->family = __get_socket_family_enum(SF_IP4);
addr->u.ipv4 = sin->sin_addr;
}
else if (ifa->ifa_addr->sa_family == AF_INET6) {
struct sockaddr_in6 *sin = (void *) ifa->ifa_addr;
if (sin->sin6_scope_id)
continue; // link-local
addr->family = __get_socket_family_enum(SF_IP6);
addr->u.ipv6 = sin->sin6_addr;
}
else
continue;
// got one
ilog(LOG_DEBUG, "Determined address %s for interface '%s'",
sockaddr_print_buf(addr), s);
g_queue_push_tail(&addrs, addr);
addr = g_slice_alloc(sizeof(*addr));
}
// free last unused entry
g_slice_free1(sizeof(*addr), addr);
}
if (!addrs.length) // nothing found
return -1;
ZERO(adv);
if (c) {
if (sockaddr_parse_any(&adv, c))
return -1;
if (is_addr_unspecified(&adv))
return -1;
}
while ((addr = g_queue_pop_head(&addrs))) {
ifa = g_slice_alloc0(sizeof(*ifa));
ifa->name = name;
ifa->local_address.addr = *addr;
ifa->local_address.type = socktype_udp;
ifa->advertised_address.addr = adv;
if (is_addr_unspecified(&ifa->advertised_address.addr))
ifa->advertised_address.addr = *addr;
ifa->advertised_address.type = ifa->local_address.type;
ifa->port_min = rtpe_config.port_min;
ifa->port_max = rtpe_config.port_max;
// handle "base:suffix" separation for round-robin selection
ifa->name_rr_spec = ifa->name;
str_token(&ifa->name_base, &ifa->name_rr_spec, ':'); // sets name_rr_spec to null string if no ':' found
g_queue_push_tail(q, ifa);
g_slice_free1(sizeof(*addr), addr);
}
return 0;
}
static int redis_ep_parse(endpoint_t *ep, int *db, char **auth, const char *auth_env, char *str) {
char *sl;
long l;
sl = strchr(str, '@');
if (sl) {
*sl = 0;
*auth = str;
str = sl+1;
}
else if ((sl = getenv(auth_env)))
*auth = sl;
sl = strchr(str, '/');
if (!sl)
return -1;
*sl = 0;
sl++;
if (!*sl)
return -1;
l = strtol(sl, &sl, 10);
if (*sl != 0)
return -1;
if (l < 0)
return -1;
*db = l;
if (endpoint_parse_any_getaddrinfo_full(ep, str))
return -1;
return 0;
}
static void options(int *argc, char ***argv) {
char **if_a = NULL;
char **ks_a = NULL;
unsigned long uint_keyspace_db;
str str_keyspace_db;
char **iter;
char *listenps = NULL;
char *listenudps = NULL;
char *listenngs = NULL;
char *listencli = NULL;
char *graphitep = NULL;
char *graphite_prefix_s = NULL;
char *redisps = NULL;
char *redisps_write = NULL;
char *log_facility_cdr_s = NULL;
char *log_facility_rtcp_s = NULL;
char *log_facility_dtmf_s = NULL;
char *log_format = NULL;
int sip_source = 0;
char *homerp = NULL;
char *homerproto = NULL;
char *endptr;
int codecs = 0;
double max_load = 0;
double max_cpu = 0;
GOptionEntry e[] = {
{ "table", 't', 0, G_OPTION_ARG_INT, &rtpe_config.kernel_table, "Kernel table to use", "INT" },
{ "no-fallback",'F', 0, G_OPTION_ARG_NONE, &rtpe_config.no_fallback, "Only start when kernel module is available", NULL },
{ "interface", 'i', 0, G_OPTION_ARG_STRING_ARRAY,&if_a, "Local interface for RTP", "[NAME/]IP[!IP]"},
{ "subscribe-keyspace", 'k', 0, G_OPTION_ARG_STRING_ARRAY,&ks_a, "Subscription keyspace list", "INT INT ..."},
{ "listen-tcp", 'l', 0, G_OPTION_ARG_STRING, &listenps, "TCP port to listen on", "[IP:]PORT" },
{ "listen-udp", 'u', 0, G_OPTION_ARG_STRING, &listenudps, "UDP port to listen on", "[IP46|HOSTNAME:]PORT" },
{ "listen-ng", 'n', 0, G_OPTION_ARG_STRING, &listenngs, "UDP port to listen on, NG protocol", "[IP46|HOSTNAME:]PORT" },
{ "listen-cli", 'c', 0, G_OPTION_ARG_STRING, &listencli, "UDP port to listen on, CLI", "[IP46|HOSTNAME:]PORT" },
{ "graphite", 'g', 0, G_OPTION_ARG_STRING, &graphitep, "Address of the graphite server", "IP46|HOSTNAME:PORT" },
{ "graphite-interval", 'G', 0, G_OPTION_ARG_INT, &rtpe_config.graphite_interval, "Graphite send interval in seconds", "INT" },
{ "graphite-prefix",0, 0, G_OPTION_ARG_STRING, &graphite_prefix_s, "Prefix for graphite line", "STRING"},
{ "tos", 'T', 0, G_OPTION_ARG_INT, &rtpe_config.default_tos, "Default TOS value to set on streams", "INT" },
{ "control-tos",0 , 0, G_OPTION_ARG_INT, &rtpe_config.control_tos, "Default TOS value to set on control-ng", "INT" },
{ "timeout", 'o', 0, G_OPTION_ARG_INT, &rtpe_config.timeout, "RTP timeout", "SECS" },
{ "silent-timeout",'s',0,G_OPTION_ARG_INT, &rtpe_config.silent_timeout,"RTP timeout for muted", "SECS" },
{ "final-timeout",'a',0,G_OPTION_ARG_INT, &rtpe_config.final_timeout, "Call timeout", "SECS" },
{ "offer-timeout",0,0, G_OPTION_ARG_INT, &rtpe_config.offer_timeout, "Timeout for incomplete one-sided calls", "SECS" },
{ "port-min", 'm', 0, G_OPTION_ARG_INT, &rtpe_config.port_min, "Lowest port to use for RTP", "INT" },
{ "port-max", 'M', 0, G_OPTION_ARG_INT, &rtpe_config.port_max, "Highest port to use for RTP", "INT" },
{ "redis", 'r', 0, G_OPTION_ARG_STRING, &redisps, "Connect to Redis database", "[PW@]IP:PORT/INT" },
{ "redis-write",'w', 0, G_OPTION_ARG_STRING, &redisps_write, "Connect to Redis write database", "[PW@]IP:PORT/INT" },
{ "redis-num-threads", 0, 0, G_OPTION_ARG_INT, &rtpe_config.redis_num_threads, "Number of Redis restore threads", "INT" },
{ "redis-expires", 0, 0, G_OPTION_ARG_INT, &rtpe_config.redis_expires_secs, "Expire time in seconds for redis keys", "INT" },
{ "no-redis-required", 'q', 0, G_OPTION_ARG_NONE, &rtpe_config.no_redis_required, "Start no matter of redis connection state", NULL },
{ "redis-allowed-errors", 0, 0, G_OPTION_ARG_INT, &rtpe_config.redis_allowed_errors, "Number of allowed errors before redis is temporarily disabled", "INT" },
{ "redis-disable-time", 0, 0, G_OPTION_ARG_INT, &rtpe_config.redis_disable_time, "Number of seconds redis communication is disabled because of errors", "INT" },
{ "redis-cmd-timeout", 0, 0, G_OPTION_ARG_INT, &rtpe_config.redis_cmd_timeout, "Sets a timeout in milliseconds for redis commands", "INT" },
{ "redis-connect-timeout", 0, 0, G_OPTION_ARG_INT, &rtpe_config.redis_connect_timeout, "Sets a timeout in milliseconds for redis connections", "INT" },
{ "b2b-url", 'b', 0, G_OPTION_ARG_STRING, &rtpe_config.b2b_url, "XMLRPC URL of B2B UA" , "STRING" },
{ "log-facility-cdr",0, 0, G_OPTION_ARG_STRING, &log_facility_cdr_s, "Syslog facility to use for logging CDRs", "daemon|local0|...|local7"},
{ "log-facility-rtcp",0, 0, G_OPTION_ARG_STRING, &log_facility_rtcp_s, "Syslog facility to use for logging RTCP", "daemon|local0|...|local7"},
{ "log-facility-dtmf",0, 0, G_OPTION_ARG_STRING, &log_facility_dtmf_s, "Syslog facility to use for logging DTMF", "daemon|local0|...|local7"},
{ "log-format", 0, 0, G_OPTION_ARG_STRING, &log_format, "Log prefix format", "default|parsable"},
{ "xmlrpc-format",'x', 0, G_OPTION_ARG_INT, &rtpe_config.fmt, "XMLRPC timeout request format to use. 0: SEMS DI, 1: call-id only, 2: Kamailio", "INT" },
{ "num-threads", 0, 0, G_OPTION_ARG_INT, &rtpe_config.num_threads, "Number of worker threads to create", "INT" },
{ "media-num-threads", 0, 0, G_OPTION_ARG_INT, &rtpe_config.media_num_threads, "Number of worker threads for media playback", "INT" },
{ "delete-delay", 'd', 0, G_OPTION_ARG_INT, &rtpe_config.delete_delay, "Delay for deleting a session from memory.", "INT" },
{ "sip-source", 0, 0, G_OPTION_ARG_NONE, &sip_source, "Use SIP source address by default", NULL },
{ "dtls-passive", 0, 0, G_OPTION_ARG_NONE, &dtls_passive_def,"Always prefer DTLS passive role", NULL },
{ "max-sessions", 0, 0, G_OPTION_ARG_INT, &rtpe_config.max_sessions, "Limit of maximum number of sessions", "INT" },
{ "max-load", 0, 0, G_OPTION_ARG_DOUBLE, &max_load, "Reject new sessions if load averages exceeds this value", "FLOAT" },
{ "max-cpu", 0, 0, G_OPTION_ARG_DOUBLE, &max_cpu, "Reject new sessions if CPU usage (in percent) exceeds this value", "FLOAT" },
{ "max-bandwidth",0, 0, G_OPTION_ARG_INT64, &rtpe_config.bw_limit, "Reject new sessions if bandwidth usage (in bytes per second) exceeds this value", "INT" },
{ "homer", 0, 0, G_OPTION_ARG_STRING, &homerp, "Address of Homer server for RTCP stats","IP46|HOSTNAME:PORT"},
{ "homer-protocol",0,0,G_OPTION_ARG_STRING, &homerproto, "Transport protocol for Homer (default udp)", "udp|tcp" },
{ "homer-id", 0, 0, G_OPTION_ARG_STRING, &rtpe_config.homer_id, "'Capture ID' to use within the HEP protocol", "INT" },
{ "recording-dir", 0, 0, G_OPTION_ARG_STRING, &rtpe_config.spooldir, "Directory for storing pcap and metadata files", "FILE" },
{ "recording-method",0, 0, G_OPTION_ARG_STRING, &rtpe_config.rec_method, "Strategy for call recording", "pcap|proc" },
{ "recording-format",0, 0, G_OPTION_ARG_STRING, &rtpe_config.rec_format, "File format for stored pcap files", "raw|eth" },
#ifdef WITH_IPTABLES_OPTION
{ "iptables-chain",0,0, G_OPTION_ARG_STRING, &rtpe_config.iptables_chain,"Add explicit firewall rules to this iptables chain","STRING" },
#endif
{ "codecs", 0, 0, G_OPTION_ARG_NONE, &codecs, "Print a list of supported codecs and exit", NULL },
{ "scheduling", 0, 0, G_OPTION_ARG_STRING, &rtpe_config.scheduling,"Thread scheduling policy", "default|none|fifo|rr|other|batch|idle" },
{ "priority", 0, 0, G_OPTION_ARG_INT, &rtpe_config.priority, "Thread scheduling priority", "INT" },
{ "idle-scheduling",0, 0,G_OPTION_ARG_STRING, &rtpe_config.idle_scheduling,"Idle thread scheduling policy", "default|none|fifo|rr|other|batch|idle" },
{ "idle-priority",0, 0, G_OPTION_ARG_INT, &rtpe_config.idle_priority,"Idle thread scheduling priority", "INT" },
{ "log-srtp-keys",'F', 0, G_OPTION_ARG_NONE, &rtpe_config.log_keys, "Log SRTP keys to error log", NULL },
{ "mysql-host", 0, 0, G_OPTION_ARG_STRING, &rtpe_config.mysql_host,"MySQL host for stored media files","HOST|IP" },
{ "mysql-port", 0, 0, G_OPTION_ARG_INT, &rtpe_config.mysql_port,"MySQL port" ,"INT" },
{ "mysql-user", 0, 0, G_OPTION_ARG_STRING, &rtpe_config.mysql_user,"MySQL connection credentials", "USERNAME" },
{ "mysql-pass", 0, 0, G_OPTION_ARG_STRING, &rtpe_config.mysql_pass,"MySQL connection credentials", "PASSWORD" },
{ "mysql-query",0, 0, G_OPTION_ARG_STRING, &rtpe_config.mysql_query,"MySQL select query", "STRING" },
{ NULL, }
};
config_load(argc, argv, e, " - next-generation media proxy",
"/etc/rtpengine/rtpengine.conf", "rtpengine", &rtpe_config.common);
if (codecs) {
codeclib_init(1);
exit(0);
}
if (!if_a)
die("Missing option --interface");
if (!listenps && !listenudps && !listenngs)
die("Missing option --listen-tcp, --listen-udp or --listen-ng");
struct ifaddrs *ifas;
if (getifaddrs(&ifas)) {
ifas = NULL;
ilog(LOG_WARN, "Failed to retrieve list of network interfaces: %s", strerror(errno));
}
for (iter = if_a; *iter; iter++) {
int ret = if_addr_parse(&rtpe_config.interfaces, *iter, ifas);
if (ret)
die("Invalid interface specification: '%s'", *iter);
}
if (ifas)
freeifaddrs(ifas);
if (!rtpe_config.interfaces.length)
die("Cannot start without any configured interfaces");
if (ks_a) {
for (iter = ks_a; *iter; iter++) {
str_keyspace_db.s = *iter;
str_keyspace_db.len = strlen(*iter);
uint_keyspace_db = strtoul(str_keyspace_db.s, &endptr, 10);
if ((errno == ERANGE && (uint_keyspace_db == ULONG_MAX)) ||
(errno != 0 && uint_keyspace_db == 0)) {
ilog(LOG_ERR, "Fail adding keyspace '%.*s' to redis notifications; errono=%d\n", str_keyspace_db.len, str_keyspace_db.s, errno);
} else if (endptr == str_keyspace_db.s) {
ilog(LOG_ERR, "Fail adding keyspace '%.*s' to redis notifications; no digits found\n", str_keyspace_db.len, str_keyspace_db.s);
} else {
g_queue_push_tail(&rtpe_config.redis_subscribed_keyspaces, GUINT_TO_POINTER(uint_keyspace_db));
}
}
}
if (listenps) {
if (endpoint_parse_any_getaddrinfo(&rtpe_config.tcp_listen_ep, listenps))
die("Invalid IP or port '%s' (--listen-tcp)", listenps);
}
if (listenudps) {
if (endpoint_parse_any_getaddrinfo(&rtpe_config.udp_listen_ep, listenudps))
die("Invalid IP or port '%s' (--listen-udp)", listenudps);
}
if (listenngs) {
if (endpoint_parse_any_getaddrinfo(&rtpe_config.ng_listen_ep, listenngs))
die("Invalid IP or port '%s' (--listen-ng)", listenngs);
}
if (listencli) {if (endpoint_parse_any_getaddrinfo(&rtpe_config.cli_listen_ep, listencli))
die("Invalid IP or port '%s' (--listen-cli)", listencli);
}
if (graphitep) {if (endpoint_parse_any_getaddrinfo_full(&rtpe_config.graphite_ep, graphitep))
die("Invalid IP or port '%s' (--graphite)", graphitep);
}
if (graphite_prefix_s)
set_prefix(graphite_prefix_s);
if (homerp) {
if (endpoint_parse_any_getaddrinfo_full(&rtpe_config.homer_ep, homerp))
die("Invalid IP or port '%s' (--homer)", homerp);
}
if (homerproto) {
if (!strcmp(homerproto, "tcp"))
rtpe_config.homer_protocol = SOCK_STREAM;
else if (!strcmp(homerproto, "udp"))
rtpe_config.homer_protocol = SOCK_DGRAM;
else
die("Invalid protocol '%s' (--homer-protocol)", homerproto);
}
if (rtpe_config.default_tos < 0 || rtpe_config.default_tos > 255)
die("Invalid TOS value");
if (rtpe_config.control_tos < 0 || rtpe_config.control_tos > 255)
die("Invalid control-ng TOS value");
if (rtpe_config.timeout <= 0)
rtpe_config.timeout = 60;
if (rtpe_config.silent_timeout <= 0)
rtpe_config.silent_timeout = 3600;
if (rtpe_config.offer_timeout <= 0)
rtpe_config.offer_timeout = 3600;
if (rtpe_config.final_timeout <= 0)
rtpe_config.final_timeout = 0;
if (redisps)
if (redis_ep_parse(&rtpe_config.redis_ep, &rtpe_config.redis_db, &rtpe_config.redis_auth, "RTPENGINE_REDIS_AUTH_PW", redisps))
die("Invalid Redis endpoint [IP:PORT/INT] '%s' (--redis)", redisps);
if (redisps_write)
if (redis_ep_parse(&rtpe_config.redis_write_ep, &rtpe_config.redis_write_db, &rtpe_config.redis_write_auth,
"RTPENGINE_REDIS_WRITE_AUTH_PW", redisps_write))
die("Invalid Redis endpoint [IP:PORT/INT] '%s' (--redis-write)", redisps_write);
if (rtpe_config.fmt > 2)
die("Invalid XMLRPC format");
// XXX unify the log facility options
if (log_facility_cdr_s) {
if (!parse_log_facility(log_facility_cdr_s, &_log_facility_cdr)) {
print_available_log_facilities();
die ("Invalid log facility for CDR '%s' (--log-facility-cdr)", log_facility_cdr_s);
}
}
if (log_facility_rtcp_s) {
if (!parse_log_facility(log_facility_rtcp_s, &_log_facility_rtcp)) {
print_available_log_facilities();
die ("Invalid log facility for RTCP '%s' (--log-facility-rtcp)n", log_facility_rtcp_s);
}
}
if (log_facility_dtmf_s) {
if (!parse_log_facility(log_facility_dtmf_s, &_log_facility_dtmf)) {
print_available_log_facilities();
die ("Invalid log facility for DTMF '%s' (--log-facility-dtmf)n", log_facility_dtmf_s);
}
}
if (log_format) {
if (!strcmp(log_format, "default"))
rtpe_config.log_format = LF_DEFAULT;
else if (!strcmp(log_format, "parsable"))
rtpe_config.log_format = LF_PARSABLE;
else
die("Invalid --log-format option");
}
if (!sip_source)
trust_address_def = 1;
rtpe_config.cpu_limit = max_cpu * 100;
rtpe_config.load_limit = max_load * 100;
if (rtpe_config.mysql_query) {
// require exactly one %llu placeholder and allow no other % placeholders
if (!strstr(rtpe_config.mysql_query, "%llu"))
die("No '%%llu' present in --mysql-query='%s'", rtpe_config.mysql_query);
const char *front = rtpe_config.mysql_query;
unsigned int count = 0;
const char *match;
while ((match = strchr(front, '%'))) {
front = match + 1;
count++;
}
if (count != 1)
die("Too many '%%' placeholders (%u) present in --mysql-query='%s'",
count, rtpe_config.mysql_query);
}
}
void fill_initial_rtpe_cfg(struct rtpengine_config* ini_rtpe_cfg) {
GList* l;
struct intf_config* gptr_data;
for(l = rtpe_config.interfaces.head; l ; l=l->next) {
gptr_data = (struct intf_config*)malloc(sizeof(struct intf_config));
memcpy(gptr_data, (struct intf_config*)(l->data), sizeof(struct intf_config));
g_queue_push_tail(&ini_rtpe_cfg->interfaces, gptr_data);
}
for(l = rtpe_config.redis_subscribed_keyspaces.head; l ; l = l->next) {
// l->data has been assigned to a variable before being given into the queue structure not to get a shallow copy
unsigned int num = GPOINTER_TO_UINT(l->data);
g_queue_push_tail(&ini_rtpe_cfg->redis_subscribed_keyspaces, GINT_TO_POINTER(num));
}
ini_rtpe_cfg->kernel_table = rtpe_config.kernel_table;
ini_rtpe_cfg->max_sessions = rtpe_config.max_sessions;
ini_rtpe_cfg->cpu_limit = rtpe_config.cpu_limit;
ini_rtpe_cfg->load_limit = rtpe_config.load_limit;
ini_rtpe_cfg->bw_limit = rtpe_config.bw_limit;
ini_rtpe_cfg->timeout = rtpe_config.timeout;
ini_rtpe_cfg->silent_timeout = rtpe_config.silent_timeout;
ini_rtpe_cfg->offer_timeout = rtpe_config.offer_timeout;
ini_rtpe_cfg->final_timeout = rtpe_config.final_timeout;
ini_rtpe_cfg->delete_delay = rtpe_config.delete_delay;
ini_rtpe_cfg->redis_expires_secs = rtpe_config.redis_expires_secs;
ini_rtpe_cfg->default_tos = rtpe_config.default_tos;
ini_rtpe_cfg->control_tos = rtpe_config.control_tos;
ini_rtpe_cfg->graphite_interval = rtpe_config.graphite_interval;
ini_rtpe_cfg->redis_num_threads = rtpe_config.redis_num_threads;
ini_rtpe_cfg->homer_protocol = rtpe_config.homer_protocol;
ini_rtpe_cfg->homer_id = rtpe_config.homer_id;
ini_rtpe_cfg->no_fallback = rtpe_config.no_fallback;
ini_rtpe_cfg->port_min = rtpe_config.port_min;
ini_rtpe_cfg->port_max = rtpe_config.port_max;
ini_rtpe_cfg->redis_db = rtpe_config.redis_db;
ini_rtpe_cfg->redis_write_db = rtpe_config.redis_write_db;
ini_rtpe_cfg->no_redis_required = rtpe_config.no_redis_required;
ini_rtpe_cfg->num_threads = rtpe_config.num_threads;
ini_rtpe_cfg->media_num_threads = rtpe_config.media_num_threads;
ini_rtpe_cfg->fmt = rtpe_config.fmt;
ini_rtpe_cfg->log_format = rtpe_config.log_format;
ini_rtpe_cfg->redis_allowed_errors = rtpe_config.redis_allowed_errors;
ini_rtpe_cfg->redis_disable_time = rtpe_config.redis_disable_time;
ini_rtpe_cfg->redis_cmd_timeout = rtpe_config.redis_cmd_timeout;
ini_rtpe_cfg->redis_connect_timeout = rtpe_config.redis_connect_timeout;
ini_rtpe_cfg->common.log_level = rtpe_config.common.log_level;
ini_rtpe_cfg->graphite_ep = rtpe_config.graphite_ep;
ini_rtpe_cfg->tcp_listen_ep = rtpe_config.tcp_listen_ep;
ini_rtpe_cfg->udp_listen_ep = rtpe_config.udp_listen_ep;
ini_rtpe_cfg->ng_listen_ep = rtpe_config.ng_listen_ep;
ini_rtpe_cfg->cli_listen_ep = rtpe_config.cli_listen_ep;
ini_rtpe_cfg->redis_ep = rtpe_config.redis_ep;
ini_rtpe_cfg->redis_write_ep = rtpe_config.redis_write_ep;
ini_rtpe_cfg->homer_ep = rtpe_config.homer_ep;
ini_rtpe_cfg->b2b_url = g_strdup(rtpe_config.b2b_url);
ini_rtpe_cfg->redis_auth = g_strdup(rtpe_config.redis_auth);
ini_rtpe_cfg->redis_write_auth = g_strdup(rtpe_config.redis_write_auth);
ini_rtpe_cfg->spooldir = g_strdup(rtpe_config.spooldir);
ini_rtpe_cfg->iptables_chain = g_strdup(rtpe_config.iptables_chain);
ini_rtpe_cfg->rec_method = g_strdup(rtpe_config.rec_method);
ini_rtpe_cfg->rec_format = g_strdup(rtpe_config.rec_format);
}
static void early_init(void) {
socket_init(); // needed for socktype_udp
}
static void init_everything(void) {
log_init("rtpengine");
log_format(rtpe_config.log_format);
recording_fs_init(rtpe_config.spooldir, rtpe_config.rec_method, rtpe_config.rec_format);
rtpe_ssl_init();
#if !GLIB_CHECK_VERSION(2,32,0)
g_thread_init(NULL);
#endif
#if !(GLIB_CHECK_VERSION(2,36,0))
g_type_init();
#endif
signals();
resources();
sdp_init();
dtls_init();
ice_init();
crypto_init_main();
interfaces_init(&rtpe_config.interfaces);
iptables_init();
control_ng_init();
if (call_interfaces_init())
abort();
statistics_init();
codeclib_init(0);
media_player_init();
}
static void create_everything(void) {
struct control_tcp *ct;
struct control_udp *cu;
struct cli *cl;
struct timeval tmp_tv;
struct timeval redis_start, redis_stop;
double redis_diff = 0;
if (rtpe_config.kernel_table < 0)
goto no_kernel;
if (kernel_setup_table(rtpe_config.kernel_table)) {
if (rtpe_config.no_fallback) {
ilog(LOG_CRIT, "Userspace fallback disallowed - exiting");
exit(-1);
}
goto no_kernel;
}
no_kernel:
rtpe_poller = poller_new();
if (!rtpe_poller)
die("poller creation failed");
dtls_timer(rtpe_poller);
if (call_init())
abort();
rwlock_init(&rtpe_config.config_lock);
if (rtpe_config.max_sessions < -1) {
rtpe_config.max_sessions = -1;
}
if (rtpe_config.redis_num_threads < 1) {
#ifdef _SC_NPROCESSORS_ONLN
rtpe_config.redis_num_threads = sysconf( _SC_NPROCESSORS_ONLN );
#endif
if (rtpe_config.redis_num_threads < 1) {
rtpe_config.redis_num_threads = REDIS_RESTORE_NUM_THREADS;
}
}
ct = NULL;
if (rtpe_config.tcp_listen_ep.port) {
ct = control_tcp_new(rtpe_poller, &rtpe_config.tcp_listen_ep);
if (!ct)
die("Failed to open TCP control connection port");
}
cu = NULL;
if (rtpe_config.udp_listen_ep.port) {
interfaces_exclude_port(rtpe_config.udp_listen_ep.port);
cu = control_udp_new(rtpe_poller, &rtpe_config.udp_listen_ep);
if (!cu)
die("Failed to open UDP control connection port");
}
rtpe_control_ng = NULL;
if (rtpe_config.ng_listen_ep.port) {
interfaces_exclude_port(rtpe_config.ng_listen_ep.port);
rtpe_control_ng = control_ng_new(rtpe_poller, &rtpe_config.ng_listen_ep, rtpe_config.control_tos);
if (!rtpe_control_ng)
die("Failed to open UDP control connection port");
}
cl = NULL;
if (rtpe_config.cli_listen_ep.port) {
interfaces_exclude_port(rtpe_config.cli_listen_ep.port);
cl = cli_new(rtpe_poller, &rtpe_config.cli_listen_ep);
if (!cl)
die("Failed to open UDP CLI connection port");
}
if (!is_addr_unspecified(&rtpe_config.redis_write_ep.address)) {
rtpe_redis_write = redis_new(&rtpe_config.redis_write_ep,
rtpe_config.redis_write_db, rtpe_config.redis_write_auth,
ANY_REDIS_ROLE, rtpe_config.no_redis_required);
if (!rtpe_redis_write)
die("Cannot start up without running Redis %s write database! See also NO_REDIS_REQUIRED parameter.",
endpoint_print_buf(&rtpe_config.redis_write_ep));
}
if (!is_addr_unspecified(&rtpe_config.redis_ep.address)) {
rtpe_redis = redis_new(&rtpe_config.redis_ep, rtpe_config.redis_db, rtpe_config.redis_auth, rtpe_redis_write ? ANY_REDIS_ROLE : MASTER_REDIS_ROLE, rtpe_config.no_redis_required);
rtpe_redis_notify = redis_new(&rtpe_config.redis_ep, rtpe_config.redis_db, rtpe_config.redis_auth, rtpe_redis_write ? ANY_REDIS_ROLE : MASTER_REDIS_ROLE, rtpe_config.no_redis_required);
if (!rtpe_redis || !rtpe_redis_notify)
die("Cannot start up without running Redis %s database! See also NO_REDIS_REQUIRED parameter.",
endpoint_print_buf(&rtpe_config.redis_ep));
if (!rtpe_redis_write)
rtpe_redis_write = rtpe_redis;
}
daemonize();
wpidfile();
homer_sender_init(&rtpe_config.homer_ep, rtpe_config.homer_protocol, rtpe_config.homer_id);
rtcp_init(); // must come after Homer init
if (rtpe_redis) {
// start redis restore timer
gettimeofday(&redis_start, NULL);
// restore
if (redis_restore(rtpe_redis))
die("Refusing to continue without working Redis database");
// stop redis restore timer
gettimeofday(&redis_stop, NULL);
// print redis restore duration
redis_diff += timeval_diff(&redis_stop, &redis_start) / 1000.0;
ilog(LOG_INFO, "Redis restore time = %.0lf ms", redis_diff);
}
gettimeofday(&rtpe_latest_graphite_interval_start, NULL);
timeval_from_us(&tmp_tv, (long long) rtpe_config.graphite_interval*1000000);
set_graphite_interval_tv(&tmp_tv);
}
int main(int argc, char **argv) {
int idx;
early_init();
options(&argc, &argv);
init_everything();
create_everything();
fill_initial_rtpe_cfg(&initial_rtpe_config);
ilog(LOG_INFO, "Startup complete, version %s", RTPENGINE_VERSION);
thread_create_detach(sighandler, NULL);
thread_create_detach_prio(poller_timer_loop, rtpe_poller, rtpe_config.idle_scheduling, rtpe_config.idle_priority);
thread_create_detach_prio(load_thread, NULL, rtpe_config.idle_scheduling, rtpe_config.idle_priority);
if (!is_addr_unspecified(&rtpe_config.redis_ep.address))
thread_create_detach(redis_notify_loop, NULL);
if (!is_addr_unspecified(&rtpe_config.graphite_ep.address))
thread_create_detach(graphite_loop, NULL);
thread_create_detach(ice_thread_run, NULL);
if (rtpe_config.num_threads < 1) {
#ifdef _SC_NPROCESSORS_ONLN
rtpe_config.num_threads = sysconf( _SC_NPROCESSORS_ONLN ) + 3;
#endif
if (rtpe_config.num_threads <= 1)
rtpe_config.num_threads = 4;
}
service_notify("READY=1\n");
for (idx = 0; idx < rtpe_config.num_threads; ++idx)
thread_create_detach_prio(poller_loop, rtpe_poller, rtpe_config.scheduling, rtpe_config.priority);
if (rtpe_config.media_num_threads < 0)
rtpe_config.media_num_threads = rtpe_config.num_threads;
for (idx = 0; idx < rtpe_config.media_num_threads; ++idx) {
#ifdef WITH_TRANSCODING
thread_create_detach_prio(media_player_loop, NULL, rtpe_config.scheduling, rtpe_config.priority);
#endif
thread_create_detach_prio(send_timer_loop, NULL, rtpe_config.scheduling, rtpe_config.priority);
}
while (!rtpe_shutdown) {
usleep(100000);
threads_join_all(0);
}
service_notify("STOPPING=1\n");
if (!is_addr_unspecified(&rtpe_config.redis_ep.address)) {
redis_notify_event_base_action(EVENT_BASE_LOOPBREAK);
redis_notify_event_base_action(EVENT_BASE_FREE);
}
threads_join_all(1);
ilog(LOG_INFO, "Version %s shutting down", RTPENGINE_VERSION);
return 0;
}
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