sip: sipify provider with sofia

plugins/sip/calls-sip-util.h

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2021 Purism SPC
+ *
+ * This file is part of Calls.
+ *
+ * Calls 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.
+ *
+ * Calls 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 Calls.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Evangelos Ribeiro Tzaras <evangelos.tzaras@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+
+#pragma once
+
+#include <sofia-sip/nua.h>
+#include <glib-object.h>
+
+typedef struct
+{
+  su_home_t             home[1];
+  su_root_t            *root;
+} CallsSipContext;
+
+typedef struct
+{
+  nua_handle_t        *register_handle;
+  nua_handle_t        *call_handle;
+  nua_handle_t        *incoming_call_handle;
+  CallsSipContext     *context;
+} CallsSipHandles;
+
+
+/**
+ * SipEngineState:
+ * @SIP_ENGINE_NULL: Not initialized
+ * @SIP_ENGINE_INITIALIZING: Need to complete initialization
+ * @SIP_ENGINE_ERROR: Unrecoverable/Unhandled sofia-sip error
+ * @SIP_ENGINE_READY: Ready for operation
+ */
+typedef enum
+  {
+    SIP_ENGINE_NULL = 0,
+    SIP_ENGINE_INITIALIZING,
+    SIP_ENGINE_ERROR,
+    SIP_ENGINE_READY,
+  } SipEngineState;
+
+/**
+ * SipAccountState:
+ * @SIP_ACCOUNT_NULL: Not initialized
+ * @SIP_ACCOUNT_OFFLINE: Account considered offline (not ready for placing or receiving calls)
+ * @SIP_ACCOUNT_REGISTERING: REGISTER sent
+ * @SIP_ACCOUNT_AUTHENTICATING: Authenticating using web-auth/proxy-auth
+ * @SIP_ACCOUNT_ERROR: Unrecoverable error
+ * @SIP_ACCOUNT_ERROR_RETRY: Recoverable error (f.e. using other credentials)
+ * @SIP_ACCOUNT_ONLINE: Account considered online (can place and receive calls)
+ */
+typedef enum
+  {
+    SIP_ACCOUNT_NULL = 0,
+    SIP_ACCOUNT_OFFLINE,
+    SIP_ACCOUNT_REGISTERING,
+    SIP_ACCOUNT_AUTHENTICATING,
+    SIP_ACCOUNT_ERROR,
+    SIP_ACCOUNT_ERROR_RETRY,
+    SIP_ACCOUNT_ONLINE,
+  } SipAccountState;
+