diff --git a/include/asterisk/cdr.h b/include/asterisk/cdr.h index e9f5f8f1e2d36e615ce66fd343a28ba88eef9438..7dd946abf3054323679e12abe6a06ed94f91f0c8 100644 --- a/include/asterisk/cdr.h +++ b/include/asterisk/cdr.h @@ -117,13 +117,13 @@ struct ast_cdr *ast_cdr_dup(struct ast_cdr *cdr); /*! \brief Free a CDR record * \param cdr ast_cdr structure to free - * Returns nothing important + * Returns nothing */ void ast_cdr_free(struct ast_cdr *cdr); /*! \brief Discard and free a CDR record * \param cdr ast_cdr structure to free - * Returns nothing important -- same as free, but no checks or complaints + * Returns nothing -- same as free, but no checks or complaints */ void ast_cdr_discard(struct ast_cdr *cdr); @@ -165,7 +165,7 @@ void ast_cdr_unregister(const char *name); /*! * \param cdr the cdr you wish to associate with the call * Starts all CDR stuff necessary for monitoring a call - * Returns nothing important + * Returns nothing */ void ast_cdr_start(struct ast_cdr *cdr); @@ -180,21 +180,21 @@ void ast_cdr_answer(struct ast_cdr *cdr); /*! Busy a call */ /*! * \param cdr the cdr you wish to associate with the call - * Returns nothing important + * Returns nothing */ void ast_cdr_busy(struct ast_cdr *cdr); /*! Fail a call */ /*! * \param cdr the cdr you wish to associate with the call - * Returns nothing important + * Returns nothing */ void ast_cdr_failed(struct ast_cdr *cdr); /*! Save the result of the call based on the AST_CAUSE_* */ /*! * \param cdr the cdr you wish to associate with the call - * Returns nothing important + * Returns nothing * \param cause the AST_CAUSE_* */ int ast_cdr_disposition(struct ast_cdr *cdr, int cause); @@ -203,7 +203,7 @@ int ast_cdr_disposition(struct ast_cdr *cdr, int cause); /*! * \param cdr the cdr you have associated the call with * Registers the end of call time in the cdr structure. - * Returns nothing important + * Returns nothing */ void ast_cdr_end(struct ast_cdr *cdr); diff --git a/main/cdr.c b/main/cdr.c index 6502e8c18809e6104a498e97ad2b12312792321e..be2385212b8c000c8f8e490c848a066f76b4f3f3 100644 --- a/main/cdr.c +++ b/main/cdr.c @@ -170,8 +170,11 @@ void ast_cdr_unregister(const char *name) */ struct ast_cdr *ast_cdr_dup(struct ast_cdr *cdr) { - struct ast_cdr *newcdr = ast_cdr_alloc(); - + struct ast_cdr *newcdr; + + if (!cdr) /* don't die if we get a null cdr pointer */ + return NULL; + newcdr = ast_cdr_alloc(); if (!newcdr) return NULL; @@ -221,6 +224,9 @@ void ast_cdr_getvar(struct ast_cdr *cdr, const char *name, char **ret, char *wor const char *fmt = "%Y-%m-%d %T"; const char *varbuf; + if (!cdr) /* don't die if the cdr is null */ + return; + *ret = NULL; /* special vars (the ones from the struct ast_cdr when requested by name) I'd almost say we should convert all the stringed vals to vars */ @@ -292,6 +298,9 @@ int ast_cdr_setvar(struct ast_cdr *cdr, const char *name, const char *value, int struct varshead *headp; int x; + if (!cdr) /* don't die if the cdr is null */ + return -1; + for (x = 0; cdr_readonly_vars[x]; x++) { if (!strcasecmp(name, cdr_readonly_vars[x])) { ast_log(LOG_ERROR, "Attempt to set the '%s' read-only variable!.\n", name); @@ -332,6 +341,9 @@ int ast_cdr_copy_vars(struct ast_cdr *to_cdr, struct ast_cdr *from_cdr) const char *var, *val; int x = 0; + if (!to_cdr || !from_cdr) /* don't die if one of the pointers is null */ + return 0; + headpa = &from_cdr->varshead; headpb = &to_cdr->varshead; @@ -408,6 +420,8 @@ void ast_cdr_free_vars(struct ast_cdr *cdr, int recur) /*! \brief print a warning if cdr already posted */ static void check_post(struct ast_cdr *cdr) { + if (!cdr) + return; if (ast_test_flag(cdr, AST_CDR_FLAG_POSTED)) ast_log(LOG_NOTICE, "CDR on channel '%s' already posted\n", S_OR(cdr->channel, "<unknown>")); } @@ -415,6 +429,8 @@ static void check_post(struct ast_cdr *cdr) /*! \brief print a warning if cdr already started */ static void check_start(struct ast_cdr *cdr) { + if (!cdr) + return; if (!ast_tvzero(cdr->start)) ast_log(LOG_NOTICE, "CDR on channel '%s' already started\n", S_OR(cdr->channel, "<unknown>")); } @@ -452,7 +468,10 @@ void ast_cdr_discard(struct ast_cdr *cdr) struct ast_cdr *ast_cdr_alloc(void) { - return ast_calloc(1, sizeof(struct ast_cdr)); + struct ast_cdr *x = ast_calloc(1, sizeof(struct ast_cdr)); + if (!x) + ast_log(LOG_ERROR,"Allocation Failure for a CDR!\n"); + return x; } void ast_cdr_merge(struct ast_cdr *to, struct ast_cdr *from) @@ -651,7 +670,8 @@ static void set_one_cid(struct ast_cdr *cdr, struct ast_channel *c) { /* Grab source from ANI or normal Caller*ID */ const char *num = S_OR(c->cid.cid_ani, c->cid.cid_num); - + if (!cdr) + return; if (!ast_strlen_zero(c->cid.cid_name)) { if (!ast_strlen_zero(num)) /* both name and number */ snprintf(cdr->clid, sizeof(cdr->clid), "\"%s\" <%s>", c->cid.cid_name, num); @@ -1002,6 +1022,9 @@ void ast_cdr_detach(struct ast_cdr *cdr) struct ast_cdr_batch_item *newtail; int curr; + if (!cdr) + return; + /* maybe they disabled CDR stuff completely, so just drop it */ if (!enabled) { if (option_debug) diff --git a/main/channel.c b/main/channel.c index 7238b5fd355a0124dbb54b053d7e01d601c8e856..998843d7eee0384e4e7668b40aa80e0d62f83dad 100644 --- a/main/channel.c +++ b/main/channel.c @@ -732,7 +732,7 @@ struct ast_channel *ast_channel_alloc(int needqueue, int state, const char *cid_ tmp->uniqueid); } - /* Experiment: under what conditions do we NOT want to track cdrs on channels? */ + /* Reminder for the future: under what conditions do we NOT want to track cdrs on channels? */ tmp->cdr = ast_cdr_alloc(); ast_cdr_init(tmp->cdr, tmp); ast_cdr_start(tmp->cdr); diff --git a/main/pbx.c b/main/pbx.c index d8aef64dfbaefa977dac6dbb333d746ee90b8d0b..2ce76054ddeaf410b8aa2677ead14a5fd5a1a34d 100644 --- a/main/pbx.c +++ b/main/pbx.c @@ -4939,11 +4939,6 @@ static int ast_pbx_outgoing_cdr_failed(void) if (!chan) return -1; /* failure */ - if (!chan->cdr) { - chan->cdr = ast_cdr_alloc(); /* allocate a cdr for the channel */ - ast_log(LOG_NOTICE, "=====PBX_OUTGOING_CDR_FAILED ALLOCS CHANNEL CDR for %s\n", chan->name); - } - if (!chan->cdr) { /* allocation of the cdr failed */ ast_channel_free(chan); /* free the channel */ diff --git a/res/res_features.c b/res/res_features.c index 6396ba193dc628f7e2b757c7762b6c0630d3ffcc..60b2f0384006171d33e635bec311c0fbedde32c2 100644 --- a/res/res_features.c +++ b/res/res_features.c @@ -174,13 +174,6 @@ struct ast_bridge_thread_obj -struct ast_bridge -{ - struct ast_cdr *cdr; /* previously, cdrs were associated only with channels, and things - could get incredibly perverse when bridging occurred, especially - when the same channel got used in multiple "legs" of a call */ -}; - /*! \brief store context, priority and extension */ static void set_c_e_p(struct ast_channel *chan, const char *context, const char *ext, int pri) { @@ -697,11 +690,15 @@ static int builtin_blindtransfer(struct ast_channel *chan, struct ast_channel *p res=finishup(transferee); if (!transferer->cdr) { transferer->cdr=ast_cdr_alloc(); - ast_cdr_init(transferer->cdr, transferer); /* initilize our channel's cdr */ - ast_cdr_start(transferer->cdr); + if (transferer) { + ast_cdr_init(transferer->cdr, transferer); /* initilize our channel's cdr */ + ast_cdr_start(transferer->cdr); + } + } + if (transferer->cdr) { + ast_cdr_setdestchan(transferer->cdr, transferee->name); + ast_cdr_setapp(transferer->cdr, "BLINDTRANSFER",""); } - ast_cdr_setdestchan(transferer->cdr, transferee->name); - ast_cdr_setapp(transferer->cdr, "BLINDTRANSFER",""); if (!transferee->pbx) { /* Doh! Use our handy async_goto functions */ if (option_verbose > 2) @@ -1149,8 +1146,10 @@ static struct ast_channel *ast_feature_request_and_dial(struct ast_channel *call pbx_builtin_setvar_helper(chan, "TRANSFERERNAME", caller->name); if (!chan->cdr) { chan->cdr=ast_cdr_alloc(); - ast_cdr_init(chan->cdr, chan); /* initilize our channel's cdr */ - ast_cdr_start(chan->cdr); + if (chan->cdr) { + ast_cdr_init(chan->cdr, chan); /* initilize our channel's cdr */ + ast_cdr_start(chan->cdr); + } } if (!ast_call(chan, data, timeout)) { @@ -1323,10 +1322,9 @@ int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast int hadfeatures=0; struct ast_option_header *aoh; struct ast_bridge_config backup_config; - struct ast_bridge bridge_object; + struct ast_cdr *bridge_cdr; memset(&backup_config, 0, sizeof(backup_config)); - memset(&bridge_object, 0, sizeof(bridge_object)); config->start_time = ast_tvnow(); @@ -1376,67 +1374,79 @@ int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast } /* arrange the cdrs */ - bridge_object.cdr = ast_cdr_alloc(); - if (chan->cdr && peer->cdr) { /* both of them? merge */ - ast_cdr_init(bridge_object.cdr,chan); /* seems more logicaller to use the destination as a base, but, really, it's random */ - ast_cdr_start(bridge_object.cdr); /* now is the time to start */ - /* absorb the channel cdr */ - ast_cdr_merge(bridge_object.cdr, chan->cdr); - ast_cdr_discard(chan->cdr); /* no posting these guys */ - chan->cdr = NULL; - - /* absorb the peer cdr */ - ast_cdr_merge(bridge_object.cdr, peer->cdr); - ast_cdr_discard(peer->cdr); /* no posting these guys */ - peer->cdr = NULL; - } else if (chan->cdr) { - /* take the cdr from the channel - literally */ - ast_cdr_init(bridge_object.cdr,chan); - if (chan->cdr->disposition!=AST_CDR_ANSWERED) { - ast_cdr_end(chan->cdr); - ast_cdr_detach(chan->cdr); /* post the existing cdr, we will be starting a fresh new cdr presently */ - chan->cdr = ast_cdr_alloc(); - ast_cdr_init(chan->cdr,chan); /* a fresh new one its place */ - ast_cdr_start(chan->cdr); /* now is the time to start */ - } else { - /* absorb this data */ - ast_cdr_merge(bridge_object.cdr, chan->cdr); + bridge_cdr = ast_cdr_alloc(); + if (bridge_cdr) { + if (chan->cdr && peer->cdr) { /* both of them? merge */ + ast_cdr_init(bridge_cdr,chan); /* seems more logicaller to use the destination as a base, but, really, it's random */ + ast_cdr_start(bridge_cdr); /* now is the time to start */ + /* absorb the channel cdr */ + ast_cdr_merge(bridge_cdr, chan->cdr); ast_cdr_discard(chan->cdr); /* no posting these guys */ chan->cdr = NULL; - } - peer->cdr = ast_cdr_alloc(); - ast_cdr_init(peer->cdr, peer); - } else if (peer->cdr) { - /* take the cdr from the peer - literally */ - ast_cdr_init(bridge_object.cdr,peer); - if (peer->cdr->disposition != AST_CDR_ANSWERED) { - ast_cdr_end(peer->cdr); - ast_cdr_detach(peer->cdr); /* post the existing cdr, we will be starting a fresh new cdr presently */ + + /* absorb the peer cdr */ + ast_cdr_merge(bridge_cdr, peer->cdr); + ast_cdr_discard(peer->cdr); /* no posting these guys */ + peer->cdr = NULL; + } else if (chan->cdr) { + /* take the cdr from the channel - literally */ + ast_cdr_init(bridge_cdr,chan); + if (chan->cdr->disposition!=AST_CDR_ANSWERED) { + ast_cdr_end(chan->cdr); + ast_cdr_detach(chan->cdr); /* post the existing cdr, we will be starting a fresh new cdr presently */ + chan->cdr = ast_cdr_alloc(); + if (chan->cdr) { + ast_cdr_init(chan->cdr,chan); /* a fresh new one its place */ + ast_cdr_start(chan->cdr); /* now is the time to start */ + } + } else { + /* absorb this data */ + ast_cdr_merge(bridge_cdr, chan->cdr); + ast_cdr_discard(chan->cdr); /* no posting these guys */ + chan->cdr = NULL; + } peer->cdr = ast_cdr_alloc(); - ast_cdr_init(peer->cdr,peer); /* a fresh new one its place */ - ast_cdr_start(peer->cdr); /* now is the time to start */ + if (peer->cdr) + ast_cdr_init(peer->cdr, peer); + } else if (peer->cdr) { + /* take the cdr from the peer - literally */ + ast_cdr_init(bridge_cdr,peer); + if (peer->cdr->disposition != AST_CDR_ANSWERED) { + ast_cdr_end(peer->cdr); + ast_cdr_detach(peer->cdr); /* post the existing cdr, we will be starting a fresh new cdr presently */ + peer->cdr = ast_cdr_alloc(); + if (peer->cdr) { + ast_cdr_init(peer->cdr,peer); /* a fresh new one its place */ + ast_cdr_start(peer->cdr); /* now is the time to start */ + } + } else { + /* absorb this data */ + ast_cdr_merge(bridge_cdr, chan->cdr); + ast_cdr_discard(chan->cdr); /* no posting these guys */ + chan->cdr = NULL; + } + chan->cdr = ast_cdr_alloc(); + if (chan->cdr) + ast_cdr_init(chan->cdr, chan); } else { - /* absorb this data */ - ast_cdr_merge(bridge_object.cdr, chan->cdr); - ast_cdr_discard(chan->cdr); /* no posting these guys */ - chan->cdr = NULL; + /* make up a new cdr */ + ast_cdr_init(bridge_cdr,chan); /* eh, just pick one of them */ + chan->cdr = ast_cdr_alloc(); + if (chan->cdr) { + ast_cdr_init(chan->cdr, chan); + } + peer->cdr = ast_cdr_alloc(); + if (chan->cdr) { + ast_cdr_init(peer->cdr, peer); + ast_cdr_start(peer->cdr); /* now is the time to start */ + } + } + if (ast_strlen_zero(bridge_cdr->dstchannel)) { + if (strcmp(bridge_cdr->channel, peer->name) != 0) + ast_cdr_setdestchan(bridge_cdr, peer->name); + else + ast_cdr_setdestchan(bridge_cdr, chan->name); } - chan->cdr = ast_cdr_alloc(); - ast_cdr_init(chan->cdr, chan); - } else { - /* make up a new cdr */ - ast_cdr_init(bridge_object.cdr,chan); /* eh, just pick one of them */ - chan->cdr = ast_cdr_alloc(); - ast_cdr_init(chan->cdr, chan); - peer->cdr = ast_cdr_alloc(); - ast_cdr_init(peer->cdr, peer); - ast_cdr_start(peer->cdr); /* now is the time to start */ - } - if (ast_strlen_zero(bridge_object.cdr->dstchannel)) { - if (strcmp(bridge_object.cdr->channel, peer->name) != 0) - ast_cdr_setdestchan(bridge_object.cdr, peer->name); - else - ast_cdr_setdestchan(bridge_object.cdr, chan->name); } for (;;) { struct ast_channel *other; /* used later */ @@ -1505,12 +1515,14 @@ int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast if (res < 0) { ast_log(LOG_WARNING, "Bridge failed on channels %s and %s\n", chan->name, peer->name); /* whoa!! don't go running off without cleaning up your mess! */ - ast_cdr_merge(bridge_object.cdr,chan->cdr); - ast_cdr_merge(bridge_object.cdr,peer->cdr); - ast_cdr_failed(bridge_object.cdr); - ast_cdr_end(bridge_object.cdr); - ast_cdr_detach(bridge_object.cdr); - bridge_object.cdr = NULL; + if (bridge_cdr) { + ast_cdr_merge(bridge_cdr,chan->cdr); + ast_cdr_merge(bridge_cdr,peer->cdr); + ast_cdr_failed(bridge_cdr); + ast_cdr_end(bridge_cdr); + ast_cdr_detach(bridge_cdr); + bridge_cdr = NULL; + } ast_cdr_free(chan->cdr); /* no posting these guys */ ast_cdr_free(peer->cdr); chan->cdr = NULL; @@ -1606,11 +1618,13 @@ int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast } /* before leaving, post the cdr we accumulated */ /* whoa!! don't go running off without cleaning up your mess! */ - ast_cdr_merge(bridge_object.cdr,chan->cdr); - ast_cdr_merge(bridge_object.cdr,peer->cdr); - ast_cdr_end(bridge_object.cdr); - ast_cdr_detach(bridge_object.cdr); - bridge_object.cdr = NULL; + if (bridge_cdr) { + ast_cdr_merge(bridge_cdr,chan->cdr); + ast_cdr_merge(bridge_cdr,peer->cdr); + ast_cdr_end(bridge_cdr); + ast_cdr_detach(bridge_cdr); + bridge_cdr = NULL; + } ast_cdr_discard(chan->cdr); /* no posting these guys */ ast_cdr_discard(peer->cdr); chan->cdr = NULL; @@ -1943,12 +1957,6 @@ static int park_exec(struct ast_channel *chan, void *data) pbx_builtin_setvar_helper(chan, "PARKEDCHANNEL", peer->name); ast_cdr_setdestchan(chan->cdr, peer->name); -#ifdef NOT_NECC - ast_log(LOG_NOTICE,"Channel name is %s, and the cdr channel name is '%s'\n", chan->name, chan->cdr->channel); - if (!ast_strlen_zero(chan->name) && ast_strlen_zero(chan->cdr->channel)) { - ast_copy_string(chan->cdr->channel, chan->name, sizeof(chan->cdr->channel)); - } -#endif memset(&config, 0, sizeof(struct ast_bridge_config)); if ((parkedcalltransfers == AST_FEATURE_FLAG_BYCALLEE) || (parkedcalltransfers == AST_FEATURE_FLAG_BYBOTH)) ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);