[sr-dev] git:master: Revert "modules_k/presence: Improved handling of retransmitted SUBSCRIBE requests"

Module: sip-router Branch: master Commit: f989c490e67b053e7d17e4f2083336083f71bbba URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=f989c49… Author: Peter Dunkley &lt;peter.dunkley(a)crocodile-rcs.com&gt; Committer: Peter Dunkley &lt;peter.dunkley(a)crocodile-rcs.com&gt; Date: Fri Feb 10 15:53:12 2012 +0000 Revert "modules_k/presence: Improved handling of retransmitted SUBSCRIBE requests" - Have recently made a set of better fixes for presence. Reverting this and will commit the new fixes shortly. This reverts commit e6a50c5c0957a5ad3e08e57ede5be775a41ac24f. --- modules_k/presence/subscribe.c | 247 ++++++++++++++++++--------------------- 1 files changed, 114 insertions(+), 133 deletions(-) diff --git a/modules_k/presence/subscribe.c b/modules_k/presence/subscribe.c index 3bef56c..95f6895 100644 --- a/modules_k/presence/subscribe.c +++ b/modules_k/presence/subscribe.c @@ -762,10 +762,7 @@ int handle_subscribe(struct sip_msg* msg, char* str1, char* str2) { if(get_stored_info(msg, &subs, &reply_code, &reply_str )< 0) { - if (msg->rcv.proto == PROTO_UDP) - LM_INFO("problem getting stored info - possible retransmission\n"); - else - LM_ERR("getting stored info\n"); + LM_ERR("getting stored info\n"); goto error; } reason= subs.reason; @@ -888,26 +885,9 @@ error: if(sent_reply== 0) { - if (reply_code == 200) + if(send_error_reply(msg, reply_code, reply_str)< 0) { - if(subs.event->type & PUBL_TYPE) - { - if(send_2XX_reply(msg, 202, subs.expires, - &subs.local_contact) <0) - LM_ERR("failed to send reply on error case\n"); - } - else - { - /* For presence.winfo */ - if(send_2XX_reply(msg, 200, subs.expires, - &subs.local_contact) <0) - LM_ERR("failed to send reply on error case\n"); - } - } - else - { - if(send_error_reply(msg, reply_code, reply_str)< 0) - LM_ERR("failed to send reply on error case\n"); + LM_ERR("failed to send reply on error case\n"); } } @@ -1102,21 +1082,21 @@ int extract_sdialog_info(subs_t* subs,struct sip_msg* msg, int mexp, subs->contact.s, subs->contact.len); if (EVENT_DIALOG_SLA(subs->event->evp)) - { - /* user_contact@from_domain */ - if(parse_uri(subs->contact.s, subs->contact.len, &uri)< 0) - { - LM_ERR("failed to parse contact uri\n"); - goto error; - } - if(uandd_to_uri(uri.user, subs->from_domain, &subs->pres_uri)< 0) - { - LM_ERR("failed to construct uri\n"); - goto error; - } - LM_DBG("&&&&&&&&&&&&&&& dialog pres_uri= %.*s\n", - subs->pres_uri.len, subs->pres_uri.s); - } + { + /* user_contact@from_domain */ + if(parse_uri(subs->contact.s, subs->contact.len, &uri)< 0) + { + LM_ERR("failed to parse contact uri\n"); + goto error; + } + if(uandd_to_uri(uri.user, subs->from_domain, &subs->pres_uri)< 0) + { + LM_ERR("failed to construct uri\n"); + goto error; + } + LM_DBG("&&&&&&&&&&&&&&& dialog pres_uri= %.*s\n",subs->pres_uri.len, subs->pres_uri.s); + } + /*process record route and add it to a string*/ if(*to_tag_gen && msg->record_route!=NULL) @@ -1172,17 +1152,18 @@ int get_stored_info(struct sip_msg* msg, subs_t* subs, int* reply_code, unsigned int hash_code; /* first try to_user== pres_user and to_domain== pres_domain */ - if(subs->pres_uri.s == NULL) - { - uandd_to_uri(subs->to_user, subs->to_domain, &pres_uri); - if(pres_uri.s== NULL) - { - LM_ERR("creating uri from user and domain\n"); - return -1; - } - } - else - pres_uri = subs->pres_uri; + + if(subs->pres_uri.s == NULL) + { + uandd_to_uri(subs->to_user, subs->to_domain, &pres_uri); + if(pres_uri.s== NULL) + { + LM_ERR("creating uri from user and domain\n"); + return -1; + } + } + else + pres_uri = subs->pres_uri; hash_code= core_hash(&pres_uri, &subs->event->name, shtable_size); lock_get(&subs_htable[hash_code].lock); @@ -1195,13 +1176,14 @@ int get_stored_info(struct sip_msg* msg, subs_t* subs, int* reply_code, } lock_release(&subs_htable[hash_code].lock); - if(subs->pres_uri.s) - goto not_found; + if(subs->pres_uri.s) + goto not_found; - pkg_free(pres_uri.s); + pkg_free(pres_uri.s); pres_uri.s= NULL; + - LM_DBG("record not found using R-URI search iteratively\n"); + LM_DBG("record not found using R-URI search iteratively\n"); /* take one row at a time */ for(i= 0; i< shtable_size; i++) { @@ -1225,35 +1207,26 @@ int get_stored_info(struct sip_msg* msg, subs_t* subs, int* reply_code, lock_release(&subs_htable[i].lock); } -not_found: if(dbmode != DB_MEMORY_ONLY) { - return get_database_info(msg, subs, reply_code, reply_str); + return get_database_info(msg, subs, reply_code, reply_str); } - if (msg->rcv.proto == PROTO_UDP && subs->expires == 0) - { - /* Assume it's a retransmission of an un-SUBSCRIBE */ - LM_INFO("No matching subscription dialog found in database - possible retransmission of un-SUBSCRIBE?\n"); - *reply_code= 200; - *reply_str= su_200_rpl; - } - else - { - /* It's definitely an error */ - LM_ERR("record not found in hash_table\n"); - *reply_code= 481; - *reply_str= pu_481_rpl; - } +not_found: + + LM_ERR("record not found in hash_table\n"); + *reply_code= 481; + *reply_str= pu_481_rpl; return -1; found_rec: + LM_DBG("Record found in hash_table\n"); - + if(!EVENT_DIALOG_SLA(s->event->evp)) subs->pres_uri= pres_uri; - + subs->version = s->version; subs->status= s->status; if(s->reason.s && s->reason.len) @@ -1284,25 +1257,14 @@ found_rec: if(subs->remote_cseq<= s->remote_cseq) { + LM_ERR("wrong sequence number;received: %d - stored: %d\n", + subs->remote_cseq, s->remote_cseq); + + *reply_code= 400; + *reply_str= pu_400_rpl; lock_release(&subs_htable[i].lock); - if (msg->rcv.proto == PROTO_UDP) - { - /* Assume it's a retransmission of a SUBSCRIBE */ - LM_INFO("Possible retransmission of SUBSCRIBE?\n"); - *reply_code= 200; - *reply_str= su_200_rpl; - return -1; - } - else - { - /* It's definitely an error */ - LM_ERR("wrong sequence number received: %d - stored: %d\n", - subs->remote_cseq, s->remote_cseq); - *reply_code= 400; - *reply_str= pu_400_rpl; - goto error; - } + goto error; } lock_release(&subs_htable[i].lock); @@ -1320,20 +1282,64 @@ error: int get_database_info(struct sip_msg* msg, subs_t* subs, int* reply_code, str* reply_str) { - db_key_t query_cols[3]; - db_val_t query_vals[3]; - db_key_t result_cols[7]; + db_key_t query_cols[10]; + db_val_t query_vals[10]; + db_key_t result_cols[9]; db1_res_t *result= NULL; db_row_t *row ; db_val_t *row_vals ; int n_query_cols = 0; int n_result_cols = 0; int remote_cseq_col= 0, local_cseq_col= 0, status_col, reason_col; - int record_route_col, version_col, pres_uri_col; + int record_route_col, version_col; + int pres_uri_col; unsigned int remote_cseq; str pres_uri, record_route; str reason; + query_cols[n_query_cols] = &str_to_user_col; + query_vals[n_query_cols].type = DB1_STR; + query_vals[n_query_cols].nul = 0; + query_vals[n_query_cols].val.str_val = subs->to_user; + n_query_cols++; + + query_cols[n_query_cols] = &str_to_domain_col; + query_vals[n_query_cols].type = DB1_STR; + query_vals[n_query_cols].nul = 0; + query_vals[n_query_cols].val.str_val = subs->to_domain; + n_query_cols++; + + query_cols[n_query_cols] = &str_watcher_username_col; + query_vals[n_query_cols].type = DB1_STR; + query_vals[n_query_cols].nul = 0; + query_vals[n_query_cols].val.str_val = subs->from_user; + n_query_cols++; + + query_cols[n_query_cols] = &str_watcher_domain_col; + query_vals[n_query_cols].type = DB1_STR; + query_vals[n_query_cols].nul = 0; + query_vals[n_query_cols].val.str_val = subs->from_domain; + n_query_cols++; + + query_cols[n_query_cols] = &str_event_col; + query_vals[n_query_cols].type = DB1_STR; + query_vals[n_query_cols].nul = 0; + query_vals[n_query_cols].val.str_val = subs->event->name; + n_query_cols++; + + query_cols[n_query_cols] = &str_event_id_col; + query_vals[n_query_cols].type = DB1_STR; + query_vals[n_query_cols].nul = 0; + if( subs->event_id.s != NULL) + { + query_vals[n_query_cols].val.str_val.s = subs->event_id.s; + query_vals[n_query_cols].val.str_val.len = subs->event_id.len; + } else { + query_vals[n_query_cols].val.str_val.s = ""; + query_vals[n_query_cols].val.str_val.len = 0; + } + n_query_cols++; + query_cols[n_query_cols] = &str_callid_col; query_vals[n_query_cols].type = DB1_STR; query_vals[n_query_cols].nul = 0; @@ -1379,29 +1385,29 @@ int get_database_info(struct sip_msg* msg, subs_t* subs, int* reply_code, str* r if(result && result->n <=0) { + LM_ERR("No matching subscription dialog found in database\n"); + pa_dbf.free_result(pa_db, result); - - if (msg->rcv.proto == PROTO_UDP && subs->expires == 0) - { - /* Assume it's a retransmission of an un-SUBSCRIBE */ - LM_INFO("No matching subscription dialog found in database - possible retransmission of un-SUBSCRIBE?\n"); - *reply_code= 200; - *reply_str= su_200_rpl; - } - else - { - /* It's definitely an error */ - LM_ERR("No matching subscription dialog found in database\n"); - *reply_code= 481; - *reply_str= pu_481_rpl; - } + *reply_code= 481; + *reply_str= pu_481_rpl; return -1; } row = &result->rows[0]; row_vals = ROW_VALUES(row); - + remote_cseq= row_vals[remote_cseq_col].val.int_val; + + if(subs->remote_cseq<= remote_cseq) + { + LM_ERR("wrong sequence number received: %d - stored: %d\n", + subs->remote_cseq, remote_cseq); + *reply_code= 400; + *reply_str= pu_400_rpl; + pa_dbf.free_result(pa_db, result); + return -1; + } + subs->status= row_vals[status_col].val.int_val; reason.s= (char*)row_vals[reason_col].val.string_val; if(reason.s) @@ -1447,31 +1453,6 @@ int get_database_info(struct sip_msg* msg, subs_t* subs, int* reply_code, str* r subs->record_route.len= record_route.len; } - remote_cseq= row_vals[remote_cseq_col].val.int_val; - if(subs->remote_cseq<= remote_cseq) - { - pa_dbf.free_result(pa_db, result); - - if (msg->rcv.proto == PROTO_UDP) - { - /* Assume it's a retransmission of a SUBSCRIBE */ - LM_INFO("Possible retransmission of SUBSCRIBE?\n"); - *reply_code= 200; - *reply_str= su_200_rpl; - } - else - { - /* It's definitely an error */ - LM_ERR("wrong sequence number received: %d - stored: %d\n", - subs->remote_cseq, remote_cseq); - *reply_code= 400; - *reply_str= pu_400_rpl; - } - - return -1; - } - - pa_dbf.free_result(pa_db, result); result= NULL;