Merge "res_pjsip_pubsub.c: Use distributor serializer for incoming subscriptions."
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2b2ca82e71
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@ -1207,10 +1207,9 @@ static void subscription_setup_dialog(struct sip_subscription_tree *sub_tree, pj
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pjsip_dlg_inc_session(dlg, &pubsub_module);
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}
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static struct sip_subscription_tree *allocate_subscription_tree(struct ast_sip_endpoint *endpoint)
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static struct sip_subscription_tree *allocate_subscription_tree(struct ast_sip_endpoint *endpoint, pjsip_rx_data *rdata)
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{
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struct sip_subscription_tree *sub_tree;
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char tps_name[AST_TASKPROCESSOR_MAX_NAME + 1];
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sub_tree = ao2_alloc(sizeof *sub_tree, subscription_tree_destructor);
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if (!sub_tree) {
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@ -1219,11 +1218,24 @@ static struct sip_subscription_tree *allocate_subscription_tree(struct ast_sip_e
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ast_module_ref(ast_module_info->self);
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if (rdata) {
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/*
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* We must continue using the serializer that the original
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* SUBSCRIBE came in on for the dialog. There may be
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* retransmissions already enqueued in the original
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* serializer that can result in reentrancy and message
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* sequencing problems.
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*/
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sub_tree->serializer = ast_sip_get_distributor_serializer(rdata);
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} else {
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char tps_name[AST_TASKPROCESSOR_MAX_NAME + 1];
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/* Create name with seq number appended. */
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ast_taskprocessor_build_name(tps_name, sizeof(tps_name), "pjsip/pubsub/%s",
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ast_sorcery_object_get_id(endpoint));
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sub_tree->serializer = ast_sip_create_serializer(tps_name);
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}
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if (!sub_tree->serializer) {
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ao2_ref(sub_tree, -1);
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return NULL;
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@ -1264,7 +1276,7 @@ static struct sip_subscription_tree *create_subscription_tree(const struct ast_s
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pjsip_dialog *dlg;
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struct subscription_persistence *persistence;
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sub_tree = allocate_subscription_tree(endpoint);
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sub_tree = allocate_subscription_tree(endpoint, rdata);
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if (!sub_tree) {
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*dlg_status = PJ_ENOMEM;
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return NULL;
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@ -1571,7 +1583,7 @@ struct ast_sip_subscription *ast_sip_create_subscription(const struct ast_sip_su
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pjsip_evsub *evsub;
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struct sip_subscription_tree *sub_tree = NULL;
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sub_tree = allocate_subscription_tree(endpoint);
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sub_tree = allocate_subscription_tree(endpoint, NULL);
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if (!sub_tree) {
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return NULL;
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}
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