res_pjsip: disable multi domain to improve realtime performace

This patch added new global pjsip option 'disable_multi_domain'.
Disabling Multi Domain can improve Realtime performance by reducing
number of database requests.

ASTERISK-25930 #close

Change-Id: I2e7160f3aae68475d52742107949a799aa2c7dc7

CHANGES

@@ -8,6 +8,16 @@
 ===
 ==============================================================================
 
+------------------------------------------------------------------------------
+--- Functionality changes from Asterisk 13.8.0 to Asterisk 13.9.0 ------------
+------------------------------------------------------------------------------
+
+res_pjsip
+------------------
+ * Added new global option (disable_multi_domain) to pjsip.
+   Disabling Multi Domain can improve realtime performace by reducing
+   number of database requsts.
+
 ------------------------------------------------------------------------------
 --- Functionality changes from Asterisk 13.7.0 to Asterisk 13.8.0 ------------
 ------------------------------------------------------------------------------

configs/samples/pjsip.conf.sample

@@ -886,6 +886,11 @@
 ;keep_alive_interval=20 ; The interval (in seconds) at which to send keepalive
                         ; messages on all active connection-oriented transports
                         ; (default: "0")
+;disable_multi_domain=no
+			; Disable Multi Domain support.
+			; If disabled it can improve realtime performace by reducing
+			; number of database requsts
+			; (default: "no")
 ;endpoint_identifier_order=ip,username,anonymous
             ; The order by which endpoint identifiers are given priority.
             ; Identifier names are derived from res_pjsip_endpoint_identifier_*

contrib/ast-db-manage/config/versions/8d478ab86e29_pjsip_add_disable_multi_domain.py

@@ -0,0 +1,31 @@
+"""pjsip_add_disable_multi_domain
+
+Revision ID: 8d478ab86e29
+Revises: 3bcc0b5bc2c9
+Create Date: 2016-04-15 11:41:26.988997
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '8d478ab86e29'
+down_revision = '3bcc0b5bc2c9'
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects.postgresql import ENUM
+
+YESNO_NAME = 'yesno_values'
+YESNO_VALUES = ['yes', 'no']
+
+def upgrade():
+    ############################# Enums ##############################
+
+    # yesno_values have already been created, so use postgres enum object
+    # type to get around "already created" issue - works okay with mysql
+    yesno_values = ENUM(*YESNO_VALUES, name=YESNO_NAME, create_type=False)
+
+    op.add_column('ps_globals', sa.Column('disable_multi_domain', yesno_values))
+
+
+def downgrade():
+    op.drop_column('ps_globals', 'disable_multi_domain')

include/asterisk/res_pjsip.h

@@ -2192,6 +2192,14 @@ void ast_sip_get_default_from_user(char *from_user, size_t size);
  */
 unsigned int ast_sip_get_keep_alive_interval(void);
 
+/*!
+ * \brief Retrieve the system setting 'disable multi domain'.
+ * \since 13.9.0
+ *
+ * \retval non zero if disable multi domain.
+ */
+unsigned int ast_sip_get_disable_multi_domain(void);
+
 /*!
  * \brief Retrieve the system max initial qualify time.
  *

res/res_pjsip.c

@@ -1279,6 +1279,12 @@
 				<configOption name="keep_alive_interval" default="0">
 					<synopsis>The interval (in seconds) to send keepalives to active connection-oriented transports.</synopsis>
 				</configOption>
+				<configOption name="disable_multi_domain" default="no">
+					<synopsis>Disable Multi Domain support</synopsis>
+					<description><para>
+						If disabled it can improve realtime performace by reducing number of database requsts.
+					</para></description>
+				</configOption>
 				<configOption name="max_initial_qualify_time" default="0">
 					<synopsis>The maximum amount of time from startup that qualifies should be attempted on all contacts.
 					If greater than the qualify_frequency for an aor, qualify_frequency will be used instead.</synopsis>

res/res_pjsip/config_global.c

@@ -36,6 +36,7 @@
 #define DEFAULT_MAX_INITIAL_QUALIFY_TIME 0
 #define DEFAULT_FROM_USER "asterisk"
 #define DEFAULT_REGCONTEXT ""
+#define DEFAULT_DISABLE_MULTI_DOMAIN 0
 
 static char default_useragent[256];
 
@@ -58,6 +59,8 @@ struct global_config {
 	unsigned int keep_alive_interval;
 	/* The maximum time for all contacts to be qualified at startup */
 	unsigned int max_initial_qualify_time;
+	/*! Nonzero to disable multi domain support */
+	unsigned int disable_multi_domain;
 };
 
 static void global_destructor(void *obj)
@@ -186,6 +189,21 @@ unsigned int ast_sip_get_keep_alive_interval(void)
 	return interval;
 }
 
+unsigned int ast_sip_get_disable_multi_domain(void)
+{
+	unsigned int disable_multi_domain;
+	struct global_config *cfg;
+
+	cfg = get_global_cfg();
+	if (!cfg) {
+		return DEFAULT_DISABLE_MULTI_DOMAIN;
+	}
+
+	disable_multi_domain = cfg->disable_multi_domain;
+	ao2_ref(cfg, -1);
+	return disable_multi_domain;
+}
+
 unsigned int ast_sip_get_max_initial_qualify_time(void)
 {
 	unsigned int time;
@@ -331,7 +349,8 @@ int ast_sip_initialize_sorcery_global(void)
 		OPT_STRINGFIELD_T, 0, STRFLDSET(struct global_config, default_from_user));
 	ast_sorcery_object_field_register(sorcery, "global", "regcontext", DEFAULT_REGCONTEXT,
 		OPT_STRINGFIELD_T, 0, STRFLDSET(struct global_config, regcontext));
-
+	ast_sorcery_object_field_register(sorcery, "global", "disable_multi_domain", "no",
+		OPT_BOOL_T, 1, FLDSET(struct global_config, disable_multi_domain));
 
 	if (ast_sorcery_instance_observer_add(sorcery, &observer_callbacks_global)) {
 		return -1;

res/res_pjsip_endpoint_identifier_anonymous.c

@@ -69,6 +69,7 @@ static struct ast_sip_endpoint *anonymous_identify(pjsip_rx_data *rdata)
 		return NULL;
 	}
 
+	if (!ast_sip_get_disable_multi_domain()) {
 		/* Attempt to find the endpoint given the name and domain provided */
 		snprintf(id, sizeof(id), "anonymous@%s", domain_name);
 		if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
@@ -93,6 +94,7 @@ static struct ast_sip_endpoint *anonymous_identify(pjsip_rx_data *rdata)
 				goto done;
 			}
 		}
+	}
 
 	/* Fall back to no domain */
 	endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", "anonymous");

res/res_pjsip_endpoint_identifier_user.c

@@ -69,6 +69,7 @@ static struct ast_sip_endpoint *username_identify(pjsip_rx_data *rdata)
 		return NULL;
 	}
 
+	if (!ast_sip_get_disable_multi_domain()) {
 		/* Attempt to find the endpoint given the name and domain provided */
 		snprintf(id, sizeof(id), "%s@%s", endpoint_name, domain_name);
 		if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
@@ -93,6 +94,7 @@ static struct ast_sip_endpoint *username_identify(pjsip_rx_data *rdata)
 				goto done;
 			}
 		}
+	}
 
 	/* Fall back to no domain */
 	endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", endpoint_name);