diff options
Diffstat (limited to 'tinySIP/src/transactions/tsip_transac.c')
| -rw-r--r-- | tinySIP/src/transactions/tsip_transac.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/tinySIP/src/transactions/tsip_transac.c b/tinySIP/src/transactions/tsip_transac.c new file mode 100644 index 0000000..1ecac59 --- /dev/null +++ b/tinySIP/src/transactions/tsip_transac.c @@ -0,0 +1,274 @@ +/* +* Copyright (C) 2010-2011 Mamadou Diop. +* +* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org> +* +* This file is part of Open Source Doubango Framework. +* +* DOUBANGO is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* DOUBANGO is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with DOUBANGO. +* +*/ + +/**@file tsip_transac.c + * @brief SIP transaction base class as per RFC 3261 subclause 17. + * + * @author Mamadou Diop <diopmamadou(at)doubango[dot]org> + * + + */ +#include "tinysip/transactions/tsip_transac.h" + +#include "tinysip/transports/tsip_transport_layer.h" +#include "tinysip/transactions/tsip_transac_layer.h" + +#include "tinysip/transactions/tsip_transac_ist.h" +#include "tinysip/transactions/tsip_transac_nist.h" +#include "tinysip/transactions/tsip_transac_nict.h" +#include "tinysip/transactions/tsip_transac_ict.h" + +#include "tsk_string.h" +#include "tsk_memory.h" +#include "tsk_debug.h" + +static tsk_object_t* tsip_transac_dst_ctor(tsk_object_t * _self, va_list * app) +{ + tsip_transac_dst_t *dst = _self; + if(dst){ + + } + return _self; +} +static tsk_object_t* tsip_transac_dst_dtor(tsk_object_t * _self) +{ + tsip_transac_dst_t *dst = _self; + if(dst){ + TSK_OBJECT_SAFE_FREE(dst->stack); + switch(dst->type){ + case tsip_transac_dst_type_dialog: + { + TSK_OBJECT_SAFE_FREE(dst->dialog.dlg); + break; + } + case tsip_transac_dst_type_net: + { + break; + } + } + } + return _self; +} +static const tsk_object_def_t tsip_transac_dst_def_s = +{ + sizeof(tsip_transac_dst_t), + tsip_transac_dst_ctor, + tsip_transac_dst_dtor, + tsk_null, +}; +const tsk_object_def_t *tsip_transac_dst_def_t = &tsip_transac_dst_def_s; + +static struct tsip_transac_dst_s* tsip_transac_dst_create(tsip_transac_dst_type_t type, struct tsip_stack_s* stack) +{ + struct tsip_transac_dst_s* dst = tsk_object_new(tsip_transac_dst_def_t); + if(dst){ + dst->type = type; + dst->stack = tsk_object_ref(stack); + } + return dst; +} + +struct tsip_transac_dst_s* tsip_transac_dst_dialog_create(tsip_dialog_t *dlg) +{ + struct tsip_transac_dst_s* dst; + if((dst = tsip_transac_dst_create(tsip_transac_dst_type_dialog, TSIP_DIALOG_GET_STACK(dlg)))){ + dst->dialog.dlg = tsk_object_ref(dlg); + } + return dst; +} + +struct tsip_transac_dst_s* tsip_transac_dst_net_create(struct tsip_stack_s* stack) +{ + struct tsip_transac_dst_s* dst; + if((dst = tsip_transac_dst_create(tsip_transac_dst_type_net, stack))){ + } + return dst; +} + +static int tsip_transac_dst_deliver(struct tsip_transac_dst_s* self, tsip_dialog_event_type_t event_type, const tsip_message_t *msg) +{ + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + switch(self->type){ + case tsip_transac_dst_type_dialog: + { + return self->dialog.dlg->callback( + self->dialog.dlg, + event_type, + msg + ); + } + case tsip_transac_dst_type_net: + { + if(!msg){ + TSK_DEBUG_ERROR("Message is null"); + return -1; + } + + // all messages coming from WebSocket transport have to be updated (AoR, Via...) before network delivering + // all other messages MUST not unless specified from the dialog layer + TSIP_MESSAGE(msg)->update |= (TNET_SOCKET_TYPE_IS_WS(msg->src_net_type) || TNET_SOCKET_TYPE_IS_WSS(msg->src_net_type)); + + return tsip_transport_layer_send( + self->stack->layer_transport, + msg->firstVia ? msg->firstVia->branch : tsk_null, + TSIP_MESSAGE(msg) + ); + } + default: + { + TSK_DEBUG_ERROR("Unexpected code called"); + return -2; + } + } +} + + +int tsip_transac_init(tsip_transac_t *self, tsip_transac_type_t type, int32_t cseq_value, const char* cseq_method, const char* callid, struct tsip_transac_dst_s* dst, tsk_fsm_state_id curr, tsk_fsm_state_id term) +{ + if(self && !self->initialized){ + self->type = type; + self->cseq_value = cseq_value; + tsk_strupdate(&self->cseq_method, cseq_method); + tsk_strupdate(&self->callid, callid); + self->dst = tsk_object_ref(dst); + + /* FSM */ + self->fsm = tsk_fsm_create(curr, term); + + self->initialized = tsk_true; + + return 0; + } + return -1; +} + +int tsip_transac_deinit(tsip_transac_t *self) +{ + if(self && self->initialized){ + /* FSM */ + TSK_OBJECT_SAFE_FREE(self->fsm); + + TSK_FREE(self->branch); + TSK_FREE(self->cseq_method); + TSK_FREE(self->callid); + TSK_OBJECT_SAFE_FREE(self->dst); + + self->initialized = tsk_false; + + return 0; + } + return -1; +} + +int tsip_transac_start(tsip_transac_t *self, const tsip_request_t* request) +{ + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + switch(self->type){ + case tsip_transac_type_nist:{ + return tsip_transac_nist_start(TSIP_TRANSAC_NIST(self), request); + } + case tsip_transac_type_ist:{ + return tsip_transac_ist_start(TSIP_TRANSAC_IST(self), request); + } + case tsip_transac_type_nict:{ + return tsip_transac_nict_start(TSIP_TRANSAC_NICT(self), request); + } + case tsip_transac_type_ict:{ + return tsip_transac_ict_start(TSIP_TRANSAC_ICT(self), request); + } + } + + TSK_DEBUG_ERROR("Unexpected code called"); + return -2; +} + +// deliver the message to the destination (e.g. local dialog) +int tsip_transac_deliver(tsip_transac_t* self, tsip_dialog_event_type_t event_type, const tsip_message_t *msg) +{ + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + return tsip_transac_dst_deliver(self->dst, event_type, msg); +} + +// send the message over the network +int tsip_transac_send(tsip_transac_t *self, const char *branch, tsip_message_t *msg) +{ + if(self && TSIP_TRANSAC_GET_STACK(self)->layer_transport && msg){ + const struct tsip_ssession_s* ss = TSIP_TRANSAC_GET_SESSION(self); + if(ss){ + // set SigComp identifier as the message is directly sent to the transport layer + tsk_strupdate(&msg->sigcomp_id, ss->sigcomp_id); + } + return tsip_transport_layer_send(TSIP_TRANSAC_GET_STACK(self)->layer_transport, branch, TSIP_MESSAGE(msg)); + } + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; +} + +int tsip_transac_cmp(const tsip_transac_t *t1, const tsip_transac_t *t2) +{ + if(t1 && t2){ + if(tsk_strequals(t1->branch, t2->branch) && tsk_strequals(t1->cseq_method, t2->cseq_method)){ + return 0; + } + } + return -1; +} + +int tsip_transac_remove(const tsip_transac_t* self) +{ + int ret; + tsip_transac_t* safe_copy; + + safe_copy = (tsip_transac_t*)tsk_object_ref(TSK_OBJECT(self)); + ret = tsip_transac_layer_remove(TSIP_TRANSAC_GET_STACK(self)->layer_transac, safe_copy); + tsk_object_unref(safe_copy); + + return ret; +} + +int tsip_transac_fsm_act(tsip_transac_t* self, tsk_fsm_action_id action_id, const tsip_message_t* message) +{ + int ret; + tsip_transac_t* safe_copy; + + if(!self || !self->fsm){ + TSK_DEBUG_WARN("Invalid parameter."); + return -1; + } + + safe_copy = tsk_object_ref(TSK_OBJECT(self)); + ret = tsk_fsm_act(self->fsm, action_id, safe_copy, message, self, message); + tsk_object_unref(safe_copy); + + return ret; +} |
