#include "asterisk/res_pjsip.h"
#include "asterisk/sorcery.h"
#include "include/res_pjsip_private.h"
+#include "asterisk/threadpool.h"
+#include "asterisk/dns.h"
#define TIMER_T1_MIN 100
#define DEFAULT_TIMER_T1 500
unsigned int timerb;
/*! Should we use short forms for headers? */
unsigned int compactheaders;
+ struct {
+ /*! Initial number of threads in the threadpool */
+ int initial_size;
+ /*! The amount by which the number of threads is incremented when necessary */
+ int auto_increment;
+ /*! Thread idle timeout in seconds */
+ int idle_timeout;
+ /*! Maxumum number of threads in the threadpool */
+ int max_size;
+ } threadpool;
};
+static struct ast_threadpool_options sip_threadpool_options = {
+ .version = AST_THREADPOOL_OPTIONS_VERSION,
+};
+
+void sip_get_threadpool_options(struct ast_threadpool_options *threadpool_options)
+{
+ *threadpool_options = sip_threadpool_options;
+}
+
static struct ast_sorcery *system_sorcery;
static void *system_alloc(const char *name)
pjsip_use_compact_form = PJ_TRUE;
}
+ sip_threadpool_options.initial_size = system->threadpool.initial_size;
+ sip_threadpool_options.auto_increment = system->threadpool.auto_increment;
+ sip_threadpool_options.idle_timeout = system->threadpool.idle_timeout;
+ sip_threadpool_options.max_size = system->threadpool.max_size;
+
return 0;
}
int ast_sip_initialize_system(void)
{
+ RAII_VAR(struct ao2_container *, system_configs, NULL, ao2_cleanup);
+ RAII_VAR(struct system_config *, system, NULL, ao2_cleanup);
+
system_sorcery = ast_sorcery_open();
if (!system_sorcery) {
ast_log(LOG_ERROR, "Failed to open SIP system sorcery\n");
ast_sorcery_apply_default(system_sorcery, "system", "config", "pjsip.conf,criteria=type=system");
- if (ast_sorcery_object_register(system_sorcery, "system", system_alloc, NULL, system_apply)) {
+ if (ast_sorcery_object_register_no_reload(system_sorcery, "system", system_alloc, NULL, system_apply)) {
+ ast_log(LOG_ERROR, "Failed to register with sorcery (is res_sorcery_config loaded?)\n");
ast_sorcery_unref(system_sorcery);
system_sorcery = NULL;
return -1;
}
ast_sorcery_object_field_register(system_sorcery, "system", "type", "", OPT_NOOP_T, 0, 0);
- ast_sorcery_object_field_register(system_sorcery, "system", "timert1", __stringify(DEFAULT_TIMER_T1),
+ ast_sorcery_object_field_register(system_sorcery, "system", "timer_t1", __stringify(DEFAULT_TIMER_T1),
OPT_UINT_T, 0, FLDSET(struct system_config, timert1));
- ast_sorcery_object_field_register(system_sorcery, "system", "timerb", __stringify(DEFAULT_TIMER_B),
+ ast_sorcery_object_field_register(system_sorcery, "system", "timer_b", __stringify(DEFAULT_TIMER_B),
OPT_UINT_T, 0, FLDSET(struct system_config, timerb));
- ast_sorcery_object_field_register(system_sorcery, "system", "compactheaders", "no",
+ ast_sorcery_object_field_register(system_sorcery, "system", "compact_headers", "no",
OPT_BOOL_T, 1, FLDSET(struct system_config, compactheaders));
+ ast_sorcery_object_field_register(system_sorcery, "system", "threadpool_initial_size", "0",
+ OPT_UINT_T, 0, FLDSET(struct system_config, threadpool.initial_size));
+ ast_sorcery_object_field_register(system_sorcery, "system", "threadpool_auto_increment", "5",
+ OPT_UINT_T, 0, FLDSET(struct system_config, threadpool.auto_increment));
+ ast_sorcery_object_field_register(system_sorcery, "system", "threadpool_idle_timeout", "60",
+ OPT_UINT_T, 0, FLDSET(struct system_config, threadpool.idle_timeout));
+ ast_sorcery_object_field_register(system_sorcery, "system", "threadpool_max_size", "0",
+ OPT_UINT_T, 0, FLDSET(struct system_config, threadpool.max_size));
ast_sorcery_load(system_sorcery);
+ system_configs = ast_sorcery_retrieve_by_fields(system_sorcery, "system",
+ AST_RETRIEVE_FLAG_MULTIPLE | AST_RETRIEVE_FLAG_ALL, NULL);
+
+ if (ao2_container_count(system_configs)) {
+ return 0;
+ }
+
+ /* No config present, allocate one and apply defaults */
+ system = ast_sorcery_alloc(system_sorcery, "system", NULL);
+ if (!system) {
+ ast_log(LOG_ERROR, "Unable to allocate default system config.\n");
+ ast_sorcery_unref(system_sorcery);
+ return -1;
+ }
+
+ if (system_apply(system_sorcery, system)) {
+ ast_log(LOG_ERROR, "Failed to apply default system config.\n");
+ ast_sorcery_unref(system_sorcery);
+ return -1;
+ }
+
+ return 0;
+}
+
+void ast_sip_destroy_system(void)
+{
+ ast_sorcery_unref(system_sorcery);
+}
+
+static int system_create_resolver_and_set_nameservers(void *data)
+{
+ struct ao2_container *discovered_nameservers;
+ struct ao2_iterator it_nameservers;
+ char *nameserver;
+ pj_status_t status;
+ pj_dns_resolver *resolver;
+ pj_str_t nameservers[PJ_DNS_RESOLVER_MAX_NS];
+ unsigned int count = 0;
+
+ discovered_nameservers = ast_dns_get_nameservers();
+ if (!discovered_nameservers) {
+ ast_log(LOG_ERROR, "Could not retrieve local system nameservers, resorting to system resolution\n");
+ return 0;
+ }
+
+ if (!ao2_container_count(discovered_nameservers)) {
+ ast_log(LOG_ERROR, "There are no local system nameservers configured, resorting to system resolution\n");
+ ao2_ref(discovered_nameservers, -1);
+ return -1;
+ }
+
+ if (!(resolver = pjsip_endpt_get_resolver(ast_sip_get_pjsip_endpoint()))) {
+ status = pjsip_endpt_create_resolver(ast_sip_get_pjsip_endpoint(), &resolver);
+ if (status != PJ_SUCCESS) {
+ ast_log(LOG_ERROR, "Could not create DNS resolver(%d), resorting to system resolution\n", status);
+ return 0;
+ }
+ }
+
+ it_nameservers = ao2_iterator_init(discovered_nameservers, 0);
+ while ((nameserver = ao2_iterator_next(&it_nameservers))) {
+ pj_strset2(&nameservers[count++], nameserver);
+ ao2_ref(nameserver, -1);
+
+ if (count == (PJ_DNS_RESOLVER_MAX_NS - 1)) {
+ break;
+ }
+ }
+ ao2_iterator_destroy(&it_nameservers);
+
+ status = pj_dns_resolver_set_ns(resolver, count, nameservers, NULL);
+
+ /* Since we no longer need the nameservers we can drop the list of them */
+ ao2_ref(discovered_nameservers, -1);
+
+ if (status != PJ_SUCCESS) {
+ ast_log(LOG_ERROR, "Could not set nameservers on DNS resolver in PJSIP(%d), resorting to system resolution\n",
+ status);
+ return 0;
+ }
+
+ if (!pjsip_endpt_get_resolver(ast_sip_get_pjsip_endpoint())) {
+ status = pjsip_endpt_set_resolver(ast_sip_get_pjsip_endpoint(), resolver);
+ if (status != PJ_SUCCESS) {
+ ast_log(LOG_ERROR, "Could not set DNS resolver in PJSIP(%d), resorting to system resolution\n", status);
+ return 0;
+ }
+ }
+
return 0;
}
+
+void ast_sip_initialize_dns(void)
+{
+ ast_sip_push_task_synchronous(NULL, system_create_resolver_and_set_nameservers, NULL);
+}
\ No newline at end of file