Outbounds: add basic outbounds

Signed-off-by: Vasiliy Doylov <nekocwd@mainlining.org>

src/logic/meson.build

@@ -1,7 +1,4 @@
 utils_sources = 'logic/utils.vala'
-singularity_sources += [
-  utils_sources,
-]
 
 singularity_deps += [
   dependency('json-glib-1.0'),
@@ -9,3 +6,9 @@ singularity_deps += [
 ]
 
 subdir('transports')
+subdir('outbounds')
+singularity_sources += [
+  utils_sources,
+  outbounds_sources,
+  transports_sources,
+]

src/logic/outbounds/dial.vala

@@ -0,0 +1,43 @@
+/* dial.vala
+ *
+ * Copyright 2025 Vasiliy Doylov (NekoCWD) <nekocwd@mainlining.org>
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+/*
+ * Base for outbound with Dial fields.
+ * DASH and TYPE FIX REQUIRED
+ */
+class Singularity.Outbound.Dial : Outbound {
+    public string detour { get; set; default = null; }
+    public string bind_interface { get; set; default = null; }
+    public string inet4_bind_address { get; set; default = null; }
+    public string inet6_bind_address { get; set; default = null; }
+    public int64 routing_mark { get; set; default = 0; }
+    public bool reuse_addr { get; set; default = false; }
+    public string netns { get; set; default = null; }
+    public string connect_timeout { get; set; default = null; }
+    public bool tcp_fast_open { get; set; default = false; }
+    public bool tcp_multi_path { get; set; default = false; }
+    public bool udp_fragment { get; set; default = false; }
+
+    public string[] domain_resolver { get; set; default = new string[0]; }
+    public string network_strategy { get; set; default = null; }
+    public string[] network_type { get; set; default = new string[0]; }
+    public string[] fallback_network_type { get; set; default = new string[0]; }
+    public string fallback_delay { get; set; default = null; }
+}

src/logic/outbounds/meson.build

@@ -0,0 +1,5 @@
+outbounds_sources = [
+  'logic/outbounds/outbound.vala',
+  'logic/outbounds/dial.vala',
+  'logic/outbounds/trojan.vala',
+]

src/logic/outbounds/outbound.vala

@@ -0,0 +1,5 @@
+class Singularity.Outbound.Outbound : Object, Json.Serializable {
+    // We can't use name `type` in vala
+    public string type_name { get; construct set; default = ""; }
+    public string tag { get; set; default = ""; }
+}

src/logic/outbounds/trojan.vala

@@ -0,0 +1,53 @@
+/* trojan.vala
+ *
+ * Copyright 2025 Vasiliy Doylov (NekoCWD) <nekocwd@mainlining.org>
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+/*
+ * Trojan outbound.
+ * DASH and TYPE FIX REQUIRED
+ */
+class Singularity.Outbound.Trojan : Dial, Json.Serializable {
+    public string server { get; set; default = null; }
+    public int64 server_port { get; set; default = 1080; }
+    public string password { get; set; default = null; }
+    public string network { get; set; default = null; }
+    public Transport.Transport transport { get; set; default = null; }
+
+    /*
+     * public TLS tls { get; set; default = null; }
+     * TODO: Implement TLS
+     */
+    /*
+     * public Multiplex multiplex { get; set; default = null; }
+     * TODO: Implement Multiplex
+     */
+
+    construct {
+        type_name = "trojan";
+    }
+
+    public override Json.Node serialize_property (string property_name, GLib.Value value, GLib.ParamSpec pspec) {
+        var node = default_serialize_property (property_name, value, pspec);
+        if (property_name == "transport") {
+            Utils.fix_type (ref node);
+            Utils.fix_dash (ref node);
+        }
+        return node;
+    }
+}