sipstack.c 10.8 KB
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/*
	belle-sip - SIP (RFC3261) library.
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	Copyright (C) 2010-2018  Belledonne Communications SARL
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	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 2 of the License, or
	(at your option) any later version.
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	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.
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	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
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*/

#include "belle_sip_internal.h"
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#include "listeningpoint_internal.h"
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belle_sip_hop_t* belle_sip_hop_new(const char* transport, const char *cname, const char* host,int port) {
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	belle_sip_hop_t* hop = belle_sip_object_new(belle_sip_hop_t);
	if (transport) hop->transport=belle_sip_strdup(transport);
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	if (host) {
		if (host[0] == '[' && host[1] != '\0'){ /*IPv6 case */
			hop->host = belle_sip_strdup(host+1);
			hop->host[strlen(hop->host)-1] = '\0';
		}else{
			hop->host=belle_sip_strdup(host);
		}
	}
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	if (cname) hop->cname=belle_sip_strdup(cname);
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	hop->port=port;
	return hop;
}

belle_sip_hop_t* belle_sip_hop_new_from_uri(const belle_sip_uri_t *uri){
	const char *host;
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	const char *cname=NULL;
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	const char * transport=belle_sip_uri_get_transport_param(uri);
	if (!transport) {
		transport=belle_sip_uri_is_secure(uri)?"tls":"udp";
	}
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	host=belle_sip_uri_get_maddr_param(uri);
	if (!host) host=belle_sip_uri_get_host(uri);
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	else cname=belle_sip_uri_get_host(uri);
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	return belle_sip_hop_new(	transport,
								cname,
								host,
								belle_sip_uri_get_listening_port(uri));
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}

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belle_sip_hop_t* belle_sip_hop_new_from_generic_uri(const belle_generic_uri_t *uri){
	const char *host;
	const char * transport="TCP";
	const char *scheme=belle_generic_uri_get_scheme(uri);
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	int port=belle_generic_uri_get_port(uri);
	int well_known_port=0;
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	const char *cname=NULL;
	host = belle_sip_parameters_get_parameter(BELLE_SIP_PARAMETERS(uri),"maddr");
	
	if (!host)
		host = belle_generic_uri_get_host(uri);
	else
		cname=belle_generic_uri_get_host(uri);
	
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	if (strcasecmp(scheme,"http")==0) {
		transport="TCP";
		well_known_port=80;
	}else if (strcasecmp(scheme,"https")==0) {
		transport="TLS";
		well_known_port=443;
	}
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	return belle_sip_hop_new(transport,
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				cname,
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				host,
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				port > 0 ? port : well_known_port);
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}

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static void belle_sip_hop_destroy(belle_sip_hop_t *hop){
	if (hop->host) {
		belle_sip_free(hop->host);
		hop->host=NULL;
	}
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	if (hop->cname){
		belle_sip_free(hop->cname);
		hop->cname=NULL;
	}
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	if (hop->transport){
		belle_sip_free(hop->transport);
		hop->transport=NULL;
	}
}

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static void belle_sip_hop_clone(belle_sip_hop_t *hop, const belle_sip_hop_t *orig){
	if (orig->host)
		hop->host=belle_sip_strdup(orig->host);
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	if (orig->cname)
		hop->cname=belle_sip_strdup(orig->cname);
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	if (orig->transport)
		hop->transport=belle_sip_strdup(orig->transport);
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}

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BELLE_SIP_DECLARE_NO_IMPLEMENTED_INTERFACES(belle_sip_hop_t);
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BELLE_SIP_INSTANCIATE_VPTR(belle_sip_hop_t,belle_sip_object_t,belle_sip_hop_destroy,belle_sip_hop_clone,NULL,TRUE);
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static void belle_sip_stack_destroy(belle_sip_stack_t *stack){
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	belle_sip_message("stack [%p] destroyed.",stack);
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	if (stack->dns_user_hosts_file) belle_sip_free(stack->dns_user_hosts_file);
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	if (stack->dns_resolv_conf) belle_sip_free(stack->dns_resolv_conf);
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	belle_sip_object_unref(stack->ml);
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	if (stack->http_proxy_host) belle_sip_free(stack->http_proxy_host);
	if (stack->http_proxy_passwd) belle_sip_free(stack->http_proxy_passwd);
	if (stack->http_proxy_username) belle_sip_free(stack->http_proxy_username);
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	belle_sip_list_free_with_data(stack->dns_servers, belle_sip_free);
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	bctbx_uninit_logger();
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}

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BELLE_SIP_DECLARE_NO_IMPLEMENTED_INTERFACES(belle_sip_stack_t);
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BELLE_SIP_INSTANCIATE_VPTR(belle_sip_stack_t,belle_sip_object_t,belle_sip_stack_destroy,NULL,NULL,FALSE);
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belle_sip_stack_t * belle_sip_stack_new(const char *properties){
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	belle_sip_stack_t *stack=belle_sip_object_new(belle_sip_stack_t);
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	bctbx_init_logger(FALSE);
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	stack->ml=belle_sip_main_loop_new ();
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	stack->timer_config.T1=500;
	stack->timer_config.T2=4000;
	stack->timer_config.T4=5000;
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	stack->transport_timeout=63000;
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	stack->dns_timeout=15000;
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	stack->dns_srv_enabled=TRUE;
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	stack->dns_search_enabled=TRUE;
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	stack->inactive_transport_timeout=3600; /*one hour*/
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	return stack;
}

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const belle_sip_timer_config_t *belle_sip_stack_get_timer_config(const belle_sip_stack_t *stack){
	return &stack->timer_config;
}

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void belle_sip_stack_set_timer_config(belle_sip_stack_t *stack,const belle_sip_timer_config_t *timer_config){
	belle_sip_message("Setting timer config to T1 [%i], T2 [%i], T3 [%i], T4 [%i] on stack [%p]", timer_config->T1
																								, timer_config->T2
																								, timer_config->T3
																								, timer_config->T4
																								, stack);
	stack->timer_config=*timer_config;
}

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void belle_sip_stack_set_transport_timeout(belle_sip_stack_t *stack, int timeout_ms){
	stack->transport_timeout=timeout_ms;
}

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int belle_sip_stack_get_transport_timeout(const belle_sip_stack_t *stack){
	return stack->transport_timeout;
}

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int belle_sip_stack_get_dns_timeout(const belle_sip_stack_t *stack) {
	return stack->dns_timeout;
}

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void belle_sip_stack_set_dns_timeout(belle_sip_stack_t *stack, int timeout) {
	stack->dns_timeout = timeout;
}

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unsigned char belle_sip_stack_dns_srv_enabled(const belle_sip_stack_t *stack) {
	return stack->dns_srv_enabled;
}

void belle_sip_stack_enable_dns_srv(belle_sip_stack_t *stack, unsigned char enable) {
	stack->dns_srv_enabled = enable;
}

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unsigned char belle_sip_stack_dns_search_enabled(const belle_sip_stack_t *stack) {
	return stack->dns_search_enabled;
}

void belle_sip_stack_enable_dns_search(belle_sip_stack_t *stack, unsigned char enable) {
	stack->dns_search_enabled = enable;
}

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belle_sip_listening_point_t *belle_sip_stack_create_listening_point(belle_sip_stack_t *s, const char *ipaddress, int port, const char *transport){
	belle_sip_listening_point_t *lp=NULL;
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	if (strcasecmp(transport,"UDP")==0) {
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		lp=belle_sip_udp_listening_point_new(s,ipaddress,port);
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	} else if (strcasecmp(transport,"TCP") == 0) {
		lp=belle_sip_stream_listening_point_new(s,ipaddress,port);
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	}else if (strcasecmp(transport,"TLS") == 0) {
		lp=belle_sip_tls_listening_point_new(s,ipaddress,port);
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	} else {
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		belle_sip_fatal("Unsupported transport %s",transport);
	}
	return lp;
}

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void belle_sip_stack_delete_listening_point(belle_sip_stack_t *s, belle_sip_listening_point_t *lp){
	belle_sip_object_unref(lp);
}

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belle_sip_provider_t *belle_sip_stack_create_provider(belle_sip_stack_t *s, belle_sip_listening_point_t *lp){
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	belle_sip_provider_t *p=belle_sip_provider_new(s,lp);
	return p;
}

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belle_http_provider_t *belle_sip_stack_create_http_provider(belle_sip_stack_t *s, const char *bind_ip){
	belle_http_provider_t *p=belle_http_provider_new(s, bind_ip);
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	return p;
}

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void belle_sip_stack_delete_provider(belle_sip_stack_t *s, belle_sip_provider_t *p){
	belle_sip_object_unref(p);
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}

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belle_sip_main_loop_t * belle_sip_stack_get_main_loop(belle_sip_stack_t *stack){
	return stack->ml;
}

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void belle_sip_stack_main(belle_sip_stack_t *stack){
	belle_sip_main_loop_run(stack->ml);
}

void belle_sip_stack_sleep(belle_sip_stack_t *stack, unsigned int milliseconds){
	belle_sip_main_loop_sleep (stack->ml,milliseconds);
}
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belle_sip_hop_t * belle_sip_stack_get_next_hop(belle_sip_stack_t *stack, belle_sip_request_t *req) {
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	belle_sip_header_route_t *route=BELLE_SIP_HEADER_ROUTE(belle_sip_message_get_header(BELLE_SIP_MESSAGE(req),"route"));
	belle_sip_uri_t *uri;
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	if (route!=NULL){
		uri=belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(route));
	}else{
		uri=belle_sip_request_get_uri(req);
	}
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	return belle_sip_hop_new_from_uri(uri);
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}
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void belle_sip_stack_set_tx_delay(belle_sip_stack_t *stack, int delay_ms){
	stack->tx_delay=delay_ms;
}
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void belle_sip_stack_set_send_error(belle_sip_stack_t *stack, int send_error){
	stack->send_error=send_error;
}
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void belle_sip_stack_set_resolver_tx_delay(belle_sip_stack_t *stack, int delay_ms) {
	stack->resolver_tx_delay = delay_ms;
}

void belle_sip_stack_set_resolver_send_error(belle_sip_stack_t *stack, int send_error) {
	stack->resolver_send_error = send_error;
}

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const char * belle_sip_stack_get_dns_user_hosts_file(const belle_sip_stack_t *stack) {
	return stack->dns_user_hosts_file;
}

void belle_sip_stack_set_dns_user_hosts_file(belle_sip_stack_t *stack, const char *hosts_file) {
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	if (stack->dns_user_hosts_file) belle_sip_free(stack->dns_user_hosts_file);
	stack->dns_user_hosts_file = hosts_file?belle_sip_strdup(hosts_file):NULL;
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}

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const char * belle_sip_stack_get_dns_resolv_conf_file(const belle_sip_stack_t *stack){
	return stack->dns_resolv_conf;
}

void belle_sip_stack_set_dns_resolv_conf_file(belle_sip_stack_t *stack, const char *resolv_conf_file){
	if (stack->dns_resolv_conf) belle_sip_free(stack->dns_resolv_conf);
	stack->dns_resolv_conf = resolv_conf_file?belle_sip_strdup(resolv_conf_file):NULL;
}

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void belle_sip_stack_set_dns_servers(belle_sip_stack_t *stack, const belle_sip_list_t *servers){
	belle_sip_list_t *newservers = NULL;
	if (servers) newservers = belle_sip_list_copy_with_data(servers, (void *(*)(void*))belle_sip_strdup);
	if (stack->dns_servers){
		belle_sip_list_free_with_data(stack->dns_servers, belle_sip_free);
	}
	stack->dns_servers = newservers;
}

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const char* belle_sip_version_to_string() {
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#ifdef BELLESIP_VERSION
	return BELLESIP_VERSION;
#else
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	return PACKAGE_VERSION;
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#endif
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}
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int belle_sip_stack_get_inactive_transport_timeout(const belle_sip_stack_t *stack){
	return stack->inactive_transport_timeout;
}

void belle_sip_stack_set_inactive_transport_timeout(belle_sip_stack_t *stack, int seconds){
	stack->inactive_transport_timeout=seconds;
}
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void belle_sip_stack_set_default_dscp(belle_sip_stack_t *stack, int dscp){
	stack->dscp=dscp;
}

int belle_sip_stack_get_default_dscp(belle_sip_stack_t *stack){
	return stack->dscp;
}

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int belle_sip_stack_tls_available(belle_sip_stack_t *stack){
	return belle_sip_tls_listening_point_available();
}

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int belle_sip_stack_content_encoding_available(belle_sip_stack_t *stack, const char *content_encoding) {
#ifdef HAVE_ZLIB
	if (strcmp(content_encoding, "deflate") == 0) return TRUE;
#endif
	return FALSE;
}

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GET_SET_STRING(belle_sip_stack,http_proxy_host)
GET_SET_INT(belle_sip_stack,http_proxy_port, int)

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void  belle_sip_set_log_handler(belle_sip_log_function_t func) {
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	bctbx_set_log_handler_for_domain(func, BCTBX_LOG_DOMAIN);
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}
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void belle_sip_stack_enable_reconnect_to_primary_asap(belle_sip_stack_t *stack, int enabled) {
	stack->reconnect_to_primary_asap=enabled;
}

int belle_sip_stack_reconnect_to_primary_asap_enabled(const belle_sip_stack_t *stack) {
	return stack->reconnect_to_primary_asap;
}