diff options
Diffstat (limited to 'tinySIP/src/dialogs/tsip_dialog_register.server.c')
-rw-r--r-- | tinySIP/src/dialogs/tsip_dialog_register.server.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/tinySIP/src/dialogs/tsip_dialog_register.server.c b/tinySIP/src/dialogs/tsip_dialog_register.server.c new file mode 100644 index 0000000..de912ff --- /dev/null +++ b/tinySIP/src/dialogs/tsip_dialog_register.server.c @@ -0,0 +1,237 @@ +/* +* 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 publishd 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. +* +*/ +#include "tinysip/dialogs/tsip_dialog_register.h" +#include "tinysip/dialogs/tsip_dialog_register.common.h" + + +/* ======================== external functions ======================== */ +extern int tsip_dialog_register_send_RESPONSE(tsip_dialog_register_t *self, const tsip_request_t* request, short code, const char* phrase); + +/* ======================== transitions ======================== */ +static int s0000_Started_2_Terminated_X_iREGISTER(va_list *app); +static int s0000_Started_2_Incoming_X_iREGISTER(va_list *app); +static int s0000_Incoming_2_Connected_X_Accept(va_list *app); +static int s0000_Incoming_2_Terminated_X_Terminates(va_list *app); +static int s0000_Connected_2_Connected_X_iREGISTER(va_list *app); +static int s0000_Connected_2_Terminated_X_iREGISTER(va_list *app); + + +/* ======================== conds ======================== */ +static tsk_bool_t _fsm_cond_not_served_here(tsip_dialog_register_t* dialog, tsip_message_t* message) +{ +#if 0 // FIXME: Have to disabled only when in proxy mode + if(message && TSIP_REQUEST_IS_REGISTER(message)){ + if(tsk_object_cmp(TSIP_DIALOG_GET_STACK(dialog)->network.realm, message->line.request.uri) != 0){ + tsip_dialog_register_send_RESPONSE(dialog, TSIP_MESSAGE_AS_REQUEST(message), 404, "Domain not served here"); + return tsk_true; + } + } +#endif + return tsk_false; +} +static tsk_bool_t _fsm_cond_server_unregistering(tsip_dialog_register_t* dialog, tsip_message_t* message) +{ + if(message && dialog->is_server){ + int64_t expires = tsip_message_getExpires(message); + dialog->unregistering = (expires == 0); + return dialog->unregistering; + } + return tsk_false; +} +static tsk_bool_t _fsm_cond_server_registering(tsip_dialog_register_t* dialog, tsip_message_t* message) +{ + return !_fsm_cond_server_unregistering(dialog, message); +} + + +int tsip_dialog_register_server_init(tsip_dialog_register_t *self) +{ + return tsk_fsm_set(TSIP_DIALOG_GET_FSM(self), + + /*======================= + * === Started === + */ + // Started -> (Domain Not Served here) -> Terminated + TSK_FSM_ADD(_fsm_state_Started, _fsm_action_iREGISTER, _fsm_cond_not_served_here, _fsm_state_Terminated, s0000_Started_2_Terminated_X_iREGISTER, "s0000_Started_2_Terminated_X_iREGISTER"), + // Started -> (All is OK and we are not unRegistering) -> Trying + TSK_FSM_ADD(_fsm_state_Started, _fsm_action_iREGISTER, _fsm_cond_server_registering, _fsm_state_Incoming, s0000_Started_2_Incoming_X_iREGISTER, "s0000_Started_2_Incoming_X_iREGISTER"), + + /*======================= + * === Incoming === + */ + // Incoming -> (Accept) -> Connected + TSK_FSM_ADD_ALWAYS(_fsm_state_Incoming, _fsm_action_accept, _fsm_state_Connected, s0000_Incoming_2_Connected_X_Accept, "s0000_Incoming_2_Connected_X_Accept"), + // Incoming -> (iRegister) -> Incoming + TSK_FSM_ADD(_fsm_state_Incoming, _fsm_action_iREGISTER, _fsm_cond_server_registering, _fsm_state_Incoming, tsk_null, "s0000_Incoming_2_Incoming_X_iREGISTER"), + // Incoming -> (iRegister, expires=0) -> Terminated + TSK_FSM_ADD(_fsm_state_Incoming, _fsm_action_iREGISTER, _fsm_cond_server_unregistering, _fsm_state_Terminated, tsk_null, "s0000_Incoming_2_Terminated_X_iREGISTER"), + // Incoming -> (Reject) -> Terminated + TSK_FSM_ADD_ALWAYS(_fsm_state_Incoming, _fsm_action_reject, _fsm_state_Terminated, s0000_Incoming_2_Terminated_X_Terminates, "s0000_Incoming_2_Terminated_X_Terminates"), + // Incoming -> (Hangup) -> Terminated + TSK_FSM_ADD_ALWAYS(_fsm_state_Incoming, _fsm_action_hangup, _fsm_state_Terminated, s0000_Incoming_2_Terminated_X_Terminates, "s0000_Incoming_2_Terminated_X_Terminates"), + + /*======================= + * === Connected === + */ + // Connected -> (Register) -> Connected + TSK_FSM_ADD(_fsm_state_Connected, _fsm_action_iREGISTER, _fsm_cond_server_registering, _fsm_state_Connected, s0000_Connected_2_Connected_X_iREGISTER, "s0000_Connected_2_Connected_X_iREGISTER"), + // Connected -> (UnRegister) -> Terminated + TSK_FSM_ADD(_fsm_state_Connected, _fsm_action_iREGISTER, _fsm_cond_server_unregistering, _fsm_state_Terminated, s0000_Connected_2_Terminated_X_iREGISTER, "s0000_Connected_2_Terminated_X_iREGISTER"), + // Connected -> (TimedOut) -> Terminated + // Connected -> (Refresh OK) -> Connected + // Connected -> (Refresh NOK) -> Terminated + + TSK_FSM_ADD_NULL()); +} + + + +//-------------------------------------------------------- +// == STATE MACHINE BEGIN == +//-------------------------------------------------------- + +/* Started -> (Failure) -> Terminated +*/ +int s0000_Started_2_Terminated_X_iREGISTER(va_list *app) +{ + return 0; + /*tsip_dialog_register_t *self; + const tsip_action_t* action; + + self = va_arg(*app, tsip_dialog_register_t *); + va_arg(*app, const tsip_message_t *); + action = va_arg(*app, const tsip_action_t *); + + TSIP_DIALOG(self)->running = tsk_true; + tsip_dialog_set_curr_action(TSIP_DIALOG(self), action); + + // alert the user + TSIP_DIALOG_SIGNAL(self, tsip_event_code_dialog_connecting, "Dialog connecting"); + + return send_REGISTER(self, tsk_true);*/ +} + +/* Started -> (All is OK and we are Registering) -> Incoming +*/ +int s0000_Started_2_Incoming_X_iREGISTER(va_list *app) +{ + tsip_dialog_register_t *self = va_arg(*app, tsip_dialog_register_t *); + tsip_request_t *request = va_arg(*app, tsip_request_t *); + + // set as server side dialog + TSIP_DIALOG_REGISTER(self)->is_server = tsk_true; + + /* update last REGISTER */ + TSK_OBJECT_SAFE_FREE(self->last_iRegister); + self->last_iRegister = tsk_object_ref(request); + + /* alert the user (session) */ + TSIP_DIALOG_REGISTER_SIGNAL(self, tsip_i_newreg, + tsip_event_code_dialog_request_incoming, "Incoming New Register", request); + + return 0; +} + +/* Incoming -> (Accept) -> Connected +*/ +int s0000_Incoming_2_Connected_X_Accept(va_list *app) +{ + int ret; + + tsip_dialog_register_t *self; + + self = va_arg(*app, tsip_dialog_register_t *); + + /* send 2xx OK */ + if((ret = tsip_dialog_register_send_RESPONSE(self, self->last_iRegister, 200, "OK"))){ + return ret; + } + + /* alert the user (dialog) */ + TSIP_DIALOG_SIGNAL(self, tsip_event_code_dialog_connected, "Dialog connected"); + + return ret; +} + +/* Incoming -> (Reject) -> Terminated +*/ +int s0000_Incoming_2_Terminated_X_Terminates(va_list *app) +{ + int ret; + short code; + const char* phrase; + char* reason = tsk_null; + + tsip_dialog_register_t *self; + const tsip_action_t* action; + + self = va_arg(*app, tsip_dialog_register_t *); + va_arg(*app, const tsip_message_t *); + action = va_arg(*app, const tsip_action_t *); + + /* Send Reject */ + code = action->line_resp.code>=300 ? action->line_resp.code : 600; + phrase = action->line_resp.phrase ? action->line_resp.phrase : "Not Supported"; + tsk_sprintf(&reason, "SIP; cause=%hi; text=\"%s\"", code, phrase); + ret = tsip_dialog_register_send_RESPONSE(self, self->last_iRegister, code, phrase); + TSK_FREE(reason); + + return ret; +} + +/* Connected -> (register) -> Connected +*/ +static int s0000_Connected_2_Connected_X_iREGISTER(va_list *app) +{ + tsip_dialog_register_t *self = va_arg(*app, tsip_dialog_register_t *); + const tsip_request_t *request = va_arg(*app, const tsip_request_t *); + + TSK_OBJECT_SAFE_FREE(self->last_iRegister); + self->last_iRegister = tsk_object_ref((tsk_object_t*)request); + + /* send 2xx OK */ + return tsip_dialog_register_send_RESPONSE(self, self->last_iRegister, 200, "OK"); +} + +/* Connected -> (Unregister) -> Terminated +*/ +int s0000_Connected_2_Terminated_X_iREGISTER(va_list *app) +{ + int ret; + tsip_dialog_register_t *self = va_arg(*app, tsip_dialog_register_t *); + tsip_request_t *request = va_arg(*app, tsip_request_t *); + + /* update last REGISTER */ + TSK_OBJECT_SAFE_FREE(self->last_iRegister); + self->last_iRegister = tsk_object_ref(request); + + /* send 2xx OK */ + if((ret = tsip_dialog_register_send_RESPONSE(self, self->last_iRegister, 200, "OK"))){ + return ret; + } + + /* alert the user (session) */ + TSIP_DIALOG_REGISTER_SIGNAL(self, tsip_i_unregister, + tsip_event_code_dialog_request_incoming, "Incoming Request", request); + + return 0; +}
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