/* * Send a request using data from the dialog structure */ int t_uac(str* method, str* headers, str* body, dlg_t* dialog, transaction_cb cb, void* cbp) { struct socket_info* send_sock; union sockaddr_union to_su; struct cell *new_cell; struct retr_buf *request; char* buf; int buf_len; int ret; unsigned int hi; ret=-1; /*** added by dcm * - needed by external ua to send a request within a dlg */ if(!dialog->hooks.next_hop && w_calculate_hooks(dialog)<0) goto error2; DBG("DEBUG:tm:t_uac: next_hop=<%.*s>\n",dialog->hooks.next_hop->len, dialog->hooks.next_hop->s); /* it's a new message, so we will take the default socket */ send_sock = uri2sock(0, dialog->hooks.next_hop, &to_su, PROTO_NONE); if (!send_sock) { ret=ser_error; LOG(L_ERR, "t_uac: no socket found\n"); goto error2; } new_cell = build_cell(0); if (!new_cell) { ret=E_OUT_OF_MEM; LOG(L_ERR, "t_uac: short of cell shmem\n"); goto error2; } /* better reset avp list now - anyhow, it's useless from * this point (bogdan) */ reset_avps(); /* add the callback the the transaction for LOCAL_COMPLETED event */ if(cb && insert_tmcb(&(new_cell->tmcb_hl),TMCB_LOCAL_COMPLETED,cb,cbp)!=1){ ret=E_OUT_OF_MEM; LOG(L_ERR, "t_uac: short of tmcb shmem\n"); goto error2; } if (method->len==INVITE_LEN && memcmp(method->s, INVITE, INVITE_LEN)==0) new_cell->flags |= T_IS_INVITE_FLAG; new_cell->flags |= T_IS_LOCAL_FLAG; set_kr(REQ_FWDED); request = &new_cell->uac[0].request; request->dst.to = to_su; request->dst.send_sock = send_sock; request->dst.proto = send_sock->proto; request->dst.proto_reserved1 = 0; hi=dlg2hash(dialog); LOCK_HASH(hi); insert_into_hash_table_unsafe(new_cell, hi); UNLOCK_HASH(hi); buf = build_uac_req(method, headers, body, dialog, 0, new_cell, &buf_len, send_sock); if (!buf) { LOG(L_ERR, "t_uac: Error while building message\n"); ret=E_OUT_OF_MEM; goto error1; } new_cell->method.s = buf; new_cell->method.len = method->len; request->buffer = buf; request->buffer_len = buf_len; new_cell->nr_of_outgoings++; if (SEND_BUFFER(request) == -1) { LOG(L_ERR, "t_uac: Attempt to send to '%.*s' failed\n", dialog->hooks.next_hop->len, dialog->hooks.next_hop->s); } start_retr(request); return 1; error1: LOCK_HASH(hi); remove_from_hash_table_unsafe(new_cell); UNLOCK_HASH(hi); free_cell(new_cell); error2: return ret; }
/* * Send a request using data from the dialog structure */ int t_uac(str* method, str* headers, str* body, dlg_t* dialog, transaction_cb cb, void* cbp) { struct socket_info* send_sock; union sockaddr_union to_su; struct cell *new_cell; struct retr_buf *request; char* buf; int buf_len; int ret; unsigned int hi; ret=-1; /*** added by dcm * - needed by external ua to send a request within a dlg */ if(!dialog->hooks.next_hop && w_calculate_hooks(dialog)<0) goto error2; send_sock = uri2sock(dialog->hooks.next_hop, &to_su, PROTO_NONE); if (!send_sock) { ret=ser_error; LOG(L_ERR, "t_uac: no socket found\n"); goto error2; } new_cell = build_cell(0); if (!new_cell) { ret=E_OUT_OF_MEM; LOG(L_ERR, "t_uac: short of cell shmem\n"); goto error2; } new_cell->completion_cb = cb; new_cell->cbp = cbp; /* cbp is installed -- tell error handling bellow not to free it */ cbp = 0; new_cell->is_invite = method->len == INVITE_LEN && memcmp(method->s, INVITE, INVITE_LEN) == 0; new_cell->local= 1; set_kr(REQ_FWDED); request = &new_cell->uac[0].request; request->dst.to = to_su; request->dst.send_sock = send_sock; request->dst.proto = send_sock->proto; request->dst.proto_reserved1 = 0; hi=dlg2hash(dialog); LOCK_HASH(hi); insert_into_hash_table_unsafe(new_cell, hi); UNLOCK_HASH(hi); buf = build_uac_req(method, headers, body, dialog, 0, new_cell, &buf_len, send_sock); if (!buf) { LOG(L_ERR, "t_uac: Error while building message\n"); ret=E_OUT_OF_MEM; goto error1; } new_cell->method.s = buf; new_cell->method.len = method->len; request->buffer = buf; request->buffer_len = buf_len; new_cell->nr_of_outgoings++; if (SEND_BUFFER(request) == -1) { LOG(L_ERR, "t_uac: Attempt to send to '%.*s' failed\n", dialog->hooks.next_hop->len, dialog->hooks.next_hop->s ); } start_retr(request); return 1; error1: LOCK_HASH(hi); remove_from_hash_table_unsafe(new_cell); UNLOCK_HASH(hi); free_cell(new_cell); error2: /* if we did not install cbp, release it now */ if (cbp) shm_free(cbp); return ret; }
/* * Send a request using data from the dialog structure */ int t_uac(str* method, str* headers, str* body, dlg_t* dialog, transaction_cb cb, void* cbp,release_tmcb_param release_func) { union sockaddr_union to_su; struct cell *new_cell; struct retr_buf *request; static struct sip_msg *req; struct usr_avp **backup; char *buf, *buf1; int buf_len, buf_len1; int ret, flags, sflag_bk; int backup_route_type; unsigned int hi; struct socket_info* send_sock; ret=-1; /*** added by dcm * - needed by external ua to send a request within a dlg */ if(!dialog->hooks.next_hop && w_calculate_hooks(dialog)<0) goto error2; if(dialog->obp.s) dialog->hooks.next_hop = &dialog->obp; LM_DBG("next_hop=<%.*s>\n",dialog->hooks.next_hop->len, dialog->hooks.next_hop->s); /* calculate the socket corresponding to next hop */ send_sock = uri2sock(0, dialog->hooks.next_hop, &to_su, PROTO_NONE); if (send_sock==0) { ret=ser_error; LM_ERR("no socket found\n"); goto error2; } /* if a send socket defined verify if the same protocol */ if(dialog->send_sock) { if(send_sock->proto != dialog->send_sock->proto) { dialog->send_sock = send_sock; } } else { dialog->send_sock = send_sock; } new_cell = build_cell(0); if (!new_cell) { ret=E_OUT_OF_MEM; LM_ERR("short of cell shmem\n"); goto error2; } /* pass the transaction flags from dialog to transaction */ new_cell->flags |= dialog->T_flags; /* add the callback the transaction for LOCAL_COMPLETED event */ flags = TMCB_LOCAL_COMPLETED; /* Add also TMCB_LOCAL_RESPONSE_OUT if provisional replies are desired */ if (pass_provisional_replies || pass_provisional(new_cell)) flags |= TMCB_LOCAL_RESPONSE_OUT; if(cb && insert_tmcb(&(new_cell->tmcb_hl),flags,cb,cbp,release_func)!=1){ ret=E_OUT_OF_MEM; LM_ERR("short of tmcb shmem\n"); goto error2; } if (method->len==INVITE_LEN && memcmp(method->s, INVITE, INVITE_LEN)==0) new_cell->flags |= T_IS_INVITE_FLAG; new_cell->flags |= T_IS_LOCAL_FLAG; request = &new_cell->uac[0].request; request->dst.to = to_su; request->dst.send_sock = dialog->send_sock; request->dst.proto = dialog->send_sock->proto; request->dst.proto_reserved1 = 0; hi=dlg2hash(dialog); LOCK_HASH(hi); insert_into_hash_table_unsafe(new_cell, hi); UNLOCK_HASH(hi); buf = build_uac_req(method, headers, body, dialog, 0, new_cell, &buf_len); if (!buf) { LM_ERR("failed to build message\n"); ret=E_OUT_OF_MEM; goto error1; } if (local_rlist.a) { LM_DBG("building sip_msg from buffer\n"); req = buf_to_sip_msg(buf, buf_len, dialog); if (req==NULL) { LM_ERR("failed to build sip_msg from buffer"); } else { /* set transaction AVP list */ backup = set_avp_list( &new_cell->user_avps ); /* backup script flags */ sflag_bk = getsflags(); /* disable parallel forking */ set_dset_state( 0 /*disable*/); /* transfer current message context back to t */ new_cell->uac[0].br_flags = req->flags; /* run the route */ swap_route_type( backup_route_type, LOCAL_ROUTE); run_top_route( local_rlist.a, req); set_route_type( backup_route_type ); set_dset_state( 1 /*enable*/); setsflagsval(sflag_bk); set_avp_list( backup ); /* check for changes - if none, do not regenerate the buffer * we ignore any change on RURI and DSTURI and they should not * be changed -bogdan */ if (req->new_uri.s) { pkg_free(req->new_uri.s); req->new_uri.s=0; req->new_uri.len=0; } if (req->dst_uri.s) { pkg_free(req->dst_uri.s); req->dst_uri.s=0; req->dst_uri.len=0; } if (req->add_rm || req->body_lumps) { LM_DBG("re-building the buffer (sip_msg changed) - lumps are" "%p %p\n",req->add_rm, req->body_lumps); /* build the shm buffer now */ buf1 = build_req_buf_from_sip_req(req,(unsigned int*)&buf_len1, dialog->send_sock, dialog->send_sock->proto, MSG_TRANS_SHM_FLAG|MSG_TRANS_NOVIA_FLAG ); if (!buf1) { LM_ERR("no more shm mem\n"); /* keep original buffer */ } else { shm_free(buf); buf = buf1; buf_len = buf_len1; /* use new buffer */ } } free_sip_msg(req); } } new_cell->method.s = buf; new_cell->method.len = method->len; request->buffer.s = buf; request->buffer.len = buf_len; new_cell->nr_of_outgoings++; if(last_localT) { *last_localT = new_cell; REF_UNSAFE(new_cell); } if (SEND_BUFFER(request) == -1) { LM_ERR("attempt to send to '%.*s' failed\n", dialog->hooks.next_hop->len, dialog->hooks.next_hop->s); } if (method->len==ACK_LEN && memcmp(method->s, ACK, ACK_LEN)==0 ) { t_release_transaction(new_cell); } else { start_retr(request); } return 1; error1: LOCK_HASH(hi); remove_from_hash_table_unsafe(new_cell); UNLOCK_HASH(hi); free_cell(new_cell); error2: return ret; }