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-rw-r--r--tinySIP/src/dialogs/tsip_dialog_invite.ect.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/tinySIP/src/dialogs/tsip_dialog_invite.ect.c b/tinySIP/src/dialogs/tsip_dialog_invite.ect.c
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+/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.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.
+*
+*/
+
+/**@file tsip_dialog_invite.hold.c
+ * @brief Explicit Communication Transfer (ECT) using IP Multimedia (IM) Core Network (CN) subsystem (3GPP TS 24.629)
+ * The Explicit Communication transfer (ECT) service provides a party involved in a communication to transfer that
+ * communication to a third party.
+ * Only Consultative transfer is supportted (A2). Blind transfer (A1) will be added later.
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tinysip/dialogs/tsip_dialog_invite.h"
+
+#include "tinysip/dialogs/tsip_dialog_invite.common.h"
+
+#include "tinysip/headers/tsip_header_Refer_To.h"
+#include "tinysip/headers/tsip_header_Supported.h"
+
+#include "tinysip/parsers/tsip_parser_uri.h"
+
+#include "tsk_debug.h"
+
+/* ======================== transitions ======================== */
+static int x0400_Connected_2_oECTing_X_oREFER(va_list *app);
+static int x0401_oECTing_2_oECTed_X_i2xx(va_list *app); // should be 202?
+static int x0402_oECTing_2_Connected_X_i300_to_699(va_list *app);
+static int x0401_oECTed_2_oECTed_X_iNOTIFY(va_list *app); // Notify 1xx
+static int x0401_oECTed_2_Connected_X_iNOTIFY(va_list *app); // Notify 200_to_699
+
+/* ======================== conds ======================== */
+static tsk_bool_t _fsm_cond_is_resp2REFER(tsip_dialog_invite_t* self, tsip_message_t* message)
+{
+ return TSIP_RESPONSE_IS_TO_REFER(message);
+}
+
+
+int tsip_dialog_invite_ect_init(tsip_dialog_invite_t *self)
+{
+ tsk_fsm_set(TSIP_DIALOG_GET_FSM(self),
+
+ /*=======================
+ * === Outgoing Transfer ===
+ */
+ // Connected -> (send REFER) -> ECTing
+ // ECTing -> (i2xx) -> ECTed
+ // ECTing -> (i300-699) -> Connected
+ // ECTed -> (iNotify 1xx) -> ECTed
+ // ECTed -> (iNotify non-1xx) -> Connected
+
+
+ /*=======================
+ * === Incoming Transfer ===
+ */
+
+ TSK_FSM_ADD_NULL());
+
+ return 0;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+int send_REFER(tsip_dialog_invite_t *self, const char* to)
+{
+ int ret = 0;
+ tsip_request_t *refer = tsk_null;
+ tsip_uri_t* toUri = tsk_null;
+
+ if(!self || !to){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ goto bail;
+ }
+
+ if(!(toUri = tsip_uri_parse(to, tsk_strlen(to)))){
+ TSK_DEBUG_ERROR("Failed to parse %s", to);
+ goto bail;
+ }
+ else{
+ tsk_params_add_param(&toUri->params, "method", "INVITE");
+ }
+
+ if((refer = tsip_dialog_request_new(TSIP_DIALOG(self), "REFER"))){
+ /* Add headers */
+ tsip_message_add_headers(refer,
+ TSIP_HEADER_REFER_TO_VA_ARGS(toUri),
+ TSIP_HEADER_SUPPORTED_VA_ARGS("norefersub"),
+ tsk_null);
+
+ ret = tsip_dialog_request_send(TSIP_DIALOG(self), refer);
+ TSK_OBJECT_SAFE_FREE(refer);
+ }
+
+bail:
+ TSK_OBJECT_SAFE_FREE(toUri);
+ return ret;
+}
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