Module: kamailio Branch: 4.3 Commit: 061195f6d553bad5edfc30db5c8da28d74421519 URL: https://github.com/kamailio/kamailio/commit/061195f6d553bad5edfc30db5c8da28… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2015-09-10T13:59:16+02:00 dialog: lock the slot if old dialog found in state deleted - no longer a spiral condition and new dialog will be created (cherry picked from commit 7f9194c416e171c2b723430eb98a55a52b7b5e38) --- Modified: modules/dialog/dlg_handlers.c Modified: modules/dialog/dlg_hash.c Modified: modules/dialog/dlg_hash.h --- Diff: https://github.com/kamailio/kamailio/commit/061195f6d553bad5edfc30db5c8da28… Patch: https://github.com/kamailio/kamailio/commit/061195f6d553bad5edfc30db5c8da28… --- diff --git a/modules/dialog/dlg_handlers.c b/modules/dialog/dlg_handlers.c index 248d985..ad88faa 100644 --- a/modules/dialog/dlg_handlers.c +++ b/modules/dialog/dlg_handlers.c @@ -820,7 +820,9 @@ int dlg_new_dialog(sip_msg_t *req, struct cell *t, const int run_initial_cbs) return 0; } dlg_release(dlg); - } + } + /* lock the slot - dlg found, but in dlg_state_deleted, do a new one */ + dlg_hash_lock(&callid); } spiral_detected = 0; diff --git a/modules/dialog/dlg_hash.c b/modules/dialog/dlg_hash.c index 420caea..b1639f1 100644 --- a/modules/dialog/dlg_hash.c +++ b/modules/dialog/dlg_hash.c @@ -750,6 +750,21 @@ dlg_cell_t* search_dlg( str *callid, str *ftag, str *ttag, unsigned int *dir) /*! + * \brief Lock hash table slot by call-id + * \param callid call-id value + */ +void dlg_hash_lock(str *callid) +{ + unsigned int he; + struct dlg_entry *d_entry; + + he = core_hash(callid, 0, d_table->size); + d_entry = &(d_table->entries[he]); + dlg_lock(d_table, d_entry); +} + + +/*! * \brief Release hash table slot by call-id * \param callid call-id value */ @@ -764,7 +779,6 @@ void dlg_hash_release(str *callid) } - /*! * \brief Link a dialog structure * \param dlg dialog diff --git a/modules/dialog/dlg_hash.h b/modules/dialog/dlg_hash.h index b09fe38..bacc21a 100644 --- a/modules/dialog/dlg_hash.h +++ b/modules/dialog/dlg_hash.h @@ -347,6 +347,13 @@ dlg_cell_t* search_dlg(str *callid, str *ftag, str *ttag, unsigned int *dir); /*! + * \brief Lock hash table slot by call-id + * \param callid call-id value + */ +void dlg_hash_lock(str *callid); + + +/*! * \brief Release hash table slot by call-id * \param callid call-id value */