traversity/traversity

Initial revision

20 months ago, Gary Kramlich
d5968834be1c
Parents
Children a961c88b860d
Initial revision

Currently just sends a UPnP search-request but doesn't process the response yet
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,3 @@
+syntax: glob
+build**/*
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/.reviewboardrc Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,6 @@
+REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
+REPOSITORY = "traversity/traversity"
+REPOSITORY_TYPE = "mercurial"
+BRANCH = "default"
+LAND_DEST_BRANCH = "default"
+LAND_PUSH = False
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/AUTHORS Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,2 @@
+Gary Kramlich <grim@reaperworld.com>
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/COPYING Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,339 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/README.md Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,10 @@
+# Traversity
+
+Traversity is a GObject based library to help with NAT traversal.
+
+It is currently a work in progress, but we are looking to support UPnP,
+NAT-PMP, and STUN at the least.
+
+The API is highly volatile, and you need to bother looking unless you're going
+to contribute.
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/meson.build Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,13 @@
+project('libtraversity', 'C', version : '0.0.1')
+
+gnome = import('gnome')
+
+GLIB = dependency('glib-2.0', version : '>=2.70.0')
+GOBJECT = dependency('gobject-2.0', version : '>=2.70.0')
+
+TEMPLATE_GLIB = dependency('template-glib-1.0', version : '>=3.35.0')
+
+toplevel_inc = include_directories('.')
+
+subdir('traversity')
+subdir('traversity-test')
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity-test/meson.build Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,8 @@
+SOURCES = [
+ 'traversity-test.c',
+]
+
+executable('traversity-test',
+ SOURCES,
+ dependencies : [traversity_dep, GLIB, GOBJECT, TEMPLATE_GLIB],
+ install: true)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity-test/traversity-test.c Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,55 @@
+#include <glib.h>
+
+#include <traversity.h>
+
+static void
+traversity_test_output_address(const gchar *label, GInetAddress *address) {
+ gchar *str = NULL;
+
+ if(G_IS_INET_ADDRESS(address)) {
+ str = g_inet_address_to_string(address);
+ }
+
+ g_message("%s: %s", label, str ? str : "(none)");
+
+ g_free(str);
+}
+
+static void
+traversity_test_ready_cb(GObject *obj, GAsyncResult *result, gpointer data) {
+ TraversityDiscoverer *discoverer = TRAVERSITY_DISCOVERER(obj);
+ GError *error = NULL;
+ GMainLoop *loop = data;
+ gboolean success = FALSE;
+
+ success = traversity_discoverer_discover_finish(discoverer, result, &error);
+
+ g_message("success: %d", success);
+ g_message("error: %s", error ? error->message : "none");
+
+ traversity_test_output_address("local ipv4",
+ traversity_discoverer_get_local_ipv4(discoverer));
+ traversity_test_output_address("local ipv6",
+ traversity_discoverer_get_local_ipv6(discoverer));
+ traversity_test_output_address("public ipv4",
+ traversity_discoverer_get_public_ipv4(discoverer));
+ traversity_test_output_address("public ipv4",
+ traversity_discoverer_get_public_ipv6(discoverer));
+
+ g_main_loop_quit(loop);
+}
+
+gint
+main(gint argc, gchar *argv[]) {
+ TraversityDiscoverer *discoverer = NULL;
+ GMainLoop *loop = NULL;
+
+ loop = g_main_loop_new(NULL, FALSE);
+
+ discoverer = g_object_new(TRAVERSITY_TYPE_UPNP_DISCOVERER, NULL);
+ traversity_discoverer_discover_async(discoverer, NULL, traversity_test_ready_cb, loop);
+
+ g_main_loop_run(loop);
+
+ return 0;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/meson.build Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,53 @@
+TRAVERSITY_SOURCES = [
+ 'traversitydiscoverer.c',
+ 'traversityupnpdiscoverer.c',
+]
+
+TRAVERSITY_HEADERS = [
+ 'traversitycore.h',
+ 'traversitydiscoverer.h',
+ 'traversityupnpdiscoverer.h',
+]
+
+TRAVERSITY_BUILT_SOURCES = []
+TRAVERSITY_BUILT_HEADERS = []
+
+traversity_filebase = 'traversity-1'
+
+TRAVERSITY_H_INCLUDES = []
+foreach header : TRAVERSITY_HEADERS
+ TRAVERSITY_H_INCLUDES += '#include <traversity/@0@>'.format(header)
+endforeach
+traversity_h_conf = configuration_data()
+traversity_h_conf.set('TRAVERSITY_H_INCLUDES', '\n'.join(TRAVERSITY_H_INCLUDES))
+
+traversity_h = configure_file(
+ input : 'traversity.h.in',
+ output : 'traversity.h',
+ configuration : traversity_h_conf,
+ install : true,
+ install_dir : get_option('includedir') / traversity_filebase)
+TRAVERSITY_BUILT_HEADERS += traversity_h
+
+traversity_resources = gnome.compile_resources('traversityresources',
+ 'resources/traversity.gresource.xml',
+ source_dir : 'resources',
+ c_name : 'traversity')
+TRAVERSITY_BUILT_SOURCES += traversity_resources
+
+traversity_inc = include_directories('.')
+libtraversity = library('traversity',
+ TRAVERSITY_SOURCES + TRAVERSITY_HEADERS + TRAVERSITY_BUILT_SOURCES + TRAVERSITY_BUILT_HEADERS,
+ dependencies : [GLIB, GOBJECT, TEMPLATE_GLIB],
+ c_args : ['-DTRAVERSITY_COMPILATION'],
+ include_directories : [toplevel_inc, traversity_inc],
+)
+
+traversity_dep = declare_dependency(
+ # Ensure headers built before any dependencies:
+ sources : TRAVERSITY_BUILT_SOURCES,
+ include_directories : [toplevel_inc, traversity_inc],
+ link_with : libtraversity,
+ dependencies : [GLIB, GOBJECT, TEMPLATE_GLIB])
+
+meson.override_dependency(traversity_filebase, traversity_dep)
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/resources/traversity.gresource.xml Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+ <gresource prefix="/org/imfreedom/keep/traversity/traversity">
+ <file compressed="true">upnp/search-request</file>
+ </gresource>
+</gresources>
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/resources/upnp/search-request Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,6 @@
+M-SEARCH * HTTP/1.1
+MX: 2
+HOST: {{ httpmu_host_address }}:{{ httpmu_host_port }}
+MAN: "ssdp:discover"
+ST: urn:schemas-upnp-org:service:{{ service_type }}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/traversity.h.in Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,20 @@
+#ifndef TRAVERSITY_TRAVERSITY_H
+#define TRAVERSITY_TRAVERSITY_H
+
+#ifndef __GI_SCANNER__ /* hide this bit from g-ir-scanner */
+# ifdef TRAVERSITY_COMPILATION
+# error "traversity source files should not be including traversity.h"
+# endif /* TRAVERSITY_COMPILATION */
+#endif /* __GI_SCANNER__ */
+
+#include <glib.h>
+
+#ifndef TRAVERSITY_GLOBAL_HEADER_INSIDE
+# define TRAVERSITY_GLOBAL_HEADER_INSIDE
+#endif /* TRAVERSITY_GLOBAL_HEADER_INSIDE */
+
+@TRAVERSITY_H_INCLUDES@
+
+#undef TRAVERSITY_GLOBAL_HEADER_INSIDE
+
+#endif /* TRAVERSITY_PURPLE_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/traversitycore.h Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,17 @@
+#if !defined(TRAVERSITY_GLOBAL_HEADER_INSIDE) && !defined(TRAVERSITY_COMPILATION)
+# error "only <traversity.h> may be included directly"
+#endif
+
+#ifndef TRAVERSITY_CORE_H
+#define TRAVERSITY_CORE_H
+
+#include <glib.h>
+
+#define TRAVERSITY_DOMAIN (g_quark_from_static_string("traversity"))
+
+G_BEGIN_DECLS
+
+G_END_DECLS
+
+#endif /* TRAVERSITY_CORE_H */
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/traversitydiscoverer.c Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,278 @@
+#include "traversitydiscoverer.h"
+
+typedef struct {
+ GInetAddress *local_ipv4;
+ GInetAddress *local_ipv6;
+
+ GInetAddress *public_ipv4;
+ GInetAddress *public_ipv6;
+} TraversityDiscovererPrivate;
+
+enum {
+ PROP_0,
+ PROP_LOCAL_IPV4,
+ PROP_LOCAL_IPV6,
+ PROP_PUBLIC_IPV4,
+ PROP_PUBLIC_IPV6,
+ N_PROPERTIES,
+};
+static GParamSpec *properties[N_PROPERTIES] = {NULL, };
+
+G_DEFINE_TYPE_WITH_PRIVATE(TraversityDiscoverer, traversity_discoverer, G_TYPE_OBJECT)
+
+/******************************************************************************
+ * GObject Implementation
+ *****************************************************************************/
+static void
+traversity_discoverer_get_property(GObject *obj, guint param_id, GValue *value,
+ GParamSpec *pspec)
+{
+ TraversityDiscoverer *discoverer = TRAVERSITY_DISCOVERER(obj);
+
+ switch(param_id) {
+ case PROP_LOCAL_IPV4:
+ g_value_set_object(value,
+ traversity_discoverer_get_local_ipv4(discoverer));
+ break;
+ case PROP_LOCAL_IPV6:
+ g_value_set_object(value,
+ traversity_discoverer_get_local_ipv6(discoverer));
+ break;
+ case PROP_PUBLIC_IPV4:
+ g_value_set_object(value,
+ traversity_discoverer_get_public_ipv4(discoverer));
+ break;
+ case PROP_PUBLIC_IPV6:
+ g_value_set_object(value,
+ traversity_discoverer_get_public_ipv6(discoverer));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
+ break;
+ }
+}
+
+static void
+traversity_discoverer_set_property(GObject *obj, guint param_id, const GValue *value,
+ GParamSpec *pspec)
+{
+ TraversityDiscoverer *discoverer = TRAVERSITY_DISCOVERER(obj);
+
+ switch(param_id) {
+ case PROP_LOCAL_IPV4:
+ traversity_discoverer_set_local_ipv4(discoverer,
+ g_value_get_object(value));
+ break;
+ case PROP_LOCAL_IPV6:
+ traversity_discoverer_set_local_ipv6(discoverer,
+ g_value_get_object(value));
+ break;
+ case PROP_PUBLIC_IPV4:
+ traversity_discoverer_set_public_ipv4(discoverer,
+ g_value_get_object(value));
+ break;
+ case PROP_PUBLIC_IPV6:
+ traversity_discoverer_set_public_ipv6(discoverer,
+ g_value_get_object(value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
+ break;
+ }
+}
+
+static void
+traversity_discoverer_dispose(GObject *obj) {
+ TraversityDiscoverer *discoverer = TRAVERSITY_DISCOVERER(obj);
+ TraversityDiscovererPrivate *priv = NULL;
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+
+ g_clear_object(&priv->local_ipv4);
+ g_clear_object(&priv->local_ipv6);
+ g_clear_object(&priv->public_ipv4);
+ g_clear_object(&priv->public_ipv6);
+
+ G_OBJECT_CLASS(traversity_discoverer_parent_class)->dispose(obj);
+}
+
+static void
+traversity_discoverer_init(TraversityDiscoverer *discoverer) {
+}
+
+static void
+traversity_discoverer_class_init(TraversityDiscovererClass *klass) {
+ GObjectClass *obj_class = G_OBJECT_CLASS(klass);
+
+ obj_class->get_property = traversity_discoverer_get_property;
+ obj_class->set_property = traversity_discoverer_set_property;
+ obj_class->dispose = traversity_discoverer_dispose;
+
+ properties[PROP_LOCAL_IPV4] = g_param_spec_object(
+ "local-ipv4", "local-ipv4",
+ "The discovered local ipv4 address",
+ G_TYPE_OBJECT,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_LOCAL_IPV6] = g_param_spec_object(
+ "local-ipv6", "local-ipv6",
+ "The discovered local ipv6 address",
+ G_TYPE_OBJECT,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_PUBLIC_IPV4] = g_param_spec_object(
+ "public-ipv4", "public-ipv4",
+ "The discovered public ipv4 address",
+ G_TYPE_OBJECT,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_PUBLIC_IPV6] = g_param_spec_object(
+ "public-ipv6", "public-ipv6",
+ "The discovered public ipv6 address",
+ G_TYPE_OBJECT,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties(obj_class, N_PROPERTIES, properties);
+}
+
+/******************************************************************************
+ * Public API
+ *****************************************************************************/
+void
+traversity_discoverer_discover_async(TraversityDiscoverer *discoverer,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer data)
+{
+ TraversityDiscovererClass *klass = NULL;
+
+ g_return_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer));
+
+ klass = TRAVERSITY_DISCOVERER_GET_CLASS(discoverer);
+ if(klass != NULL && klass->discover_async != NULL) {
+ klass->discover_async(discoverer, cancellable, callback, data);
+ }
+}
+
+gboolean
+traversity_discoverer_discover_finish(TraversityDiscoverer *discoverer,
+ GAsyncResult *result, GError **error)
+{
+ TraversityDiscovererClass *klass = NULL;
+
+ g_return_val_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer), FALSE);
+
+ klass = TRAVERSITY_DISCOVERER_GET_CLASS(discoverer);
+ if(klass != NULL && klass->discover_finish) {
+ return klass->discover_finish(discoverer, result, error);
+ }
+
+ return FALSE;
+}
+
+GInetAddress *
+traversity_discoverer_get_local_ipv4(TraversityDiscoverer *discoverer) {
+ TraversityDiscovererPrivate *priv = NULL;
+
+ g_return_val_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer), NULL);
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+
+ return priv->local_ipv4;
+}
+
+void
+traversity_discoverer_set_local_ipv4(TraversityDiscoverer *discoverer,
+ GInetAddress *local_ipv4)
+{
+ TraversityDiscovererPrivate *priv = NULL;
+
+ g_return_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer));
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+ if(g_set_object(&priv->local_ipv4, local_ipv4)) {
+ g_object_notify_by_pspec(G_OBJECT(discoverer),
+ properties[PROP_LOCAL_IPV4]);
+ }
+}
+
+GInetAddress *
+traversity_discoverer_get_local_ipv6(TraversityDiscoverer *discoverer) {
+ TraversityDiscovererPrivate *priv = NULL;
+
+ g_return_val_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer), NULL);
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+
+ return priv->local_ipv6;
+}
+
+void
+traversity_discoverer_set_local_ipv6(TraversityDiscoverer *discoverer,
+ GInetAddress *local_ipv6)
+{
+ TraversityDiscovererPrivate *priv = NULL;
+
+ g_return_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer));
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+ if(g_set_object(&priv->local_ipv6, local_ipv6)) {
+ g_object_notify_by_pspec(G_OBJECT(discoverer),
+ properties[PROP_LOCAL_IPV6]);
+ }
+}
+
+GInetAddress *
+traversity_discoverer_get_public_ipv4(TraversityDiscoverer *discoverer) {
+ TraversityDiscovererPrivate *priv = NULL;
+
+ g_return_val_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer), NULL);
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+
+ return priv->public_ipv4;
+}
+
+void
+traversity_discoverer_set_public_ipv4(TraversityDiscoverer *discoverer,
+ GInetAddress *public_ipv4)
+{
+ TraversityDiscovererPrivate *priv = NULL;
+
+ g_return_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer));
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+
+ if(g_set_object(&priv->public_ipv4, public_ipv4)) {
+ g_object_notify_by_pspec(G_OBJECT(discoverer),
+ properties[PROP_PUBLIC_IPV4]);
+ }
+}
+
+GInetAddress *
+traversity_discoverer_get_public_ipv6(TraversityDiscoverer *discoverer) {
+ TraversityDiscovererPrivate *priv = NULL;
+
+ g_return_val_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer), NULL);
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+
+ return priv->public_ipv6;
+}
+
+void
+traversity_discoverer_set_public_ipv6(TraversityDiscoverer *discoverer,
+ GInetAddress *public_ipv6)
+{
+ TraversityDiscovererPrivate *priv = NULL;
+
+ g_return_if_fail(TRAVERSITY_IS_DISCOVERER(discoverer));
+
+ priv = traversity_discoverer_get_instance_private(discoverer);
+
+ if(g_set_object(&priv->public_ipv6, public_ipv6)) {
+ g_object_notify_by_pspec(G_OBJECT(discoverer),
+ properties[PROP_PUBLIC_IPV6]);
+ }
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/traversitydiscoverer.h Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,48 @@
+#if !defined(TRAVERSITY_GLOBAL_HEADER_INSIDE) && !defined(TRAVERSITY_COMPILATION)
+# error "only <traversity.h> may be included directly"
+#endif
+
+#ifndef TRAVERSITY_DISCOVERER_H
+#define TRAVERSITY_DISCOVERER_H
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+#define TRAVERSITY_TYPE_DISCOVERER (traversity_discoverer_get_type())
+G_DECLARE_DERIVABLE_TYPE(TraversityDiscoverer, traversity_discoverer, TRAVERSITY, DISCOVERER,
+ GObject)
+
+struct _TraversityDiscovererClass {
+ /*< private >*/
+ GObjectClass parent;
+
+ void (*discover_async)(TraversityDiscoverer *discoverer, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer data);
+ gboolean (*discover_finish)(TraversityDiscoverer *discoverer, GAsyncResult *result, GError **error);
+
+ /*< private >*/
+ gpointer reserved[8];
+};
+
+void traversity_discoverer_discover_async(TraversityDiscoverer *discoverer, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer data);
+gboolean traversity_discoverer_discover_finish(TraversityDiscoverer *discoverer, GAsyncResult *result, GError **error);
+
+GInetAddress *traversity_discoverer_get_local_ipv4(TraversityDiscoverer *discoverer);
+void traversity_discoverer_set_local_ipv4(TraversityDiscoverer *discoverer, GInetAddress *local_ipv4);
+
+GInetAddress *traversity_discoverer_get_local_ipv6(TraversityDiscoverer *discoverer);
+void traversity_discoverer_set_local_ipv6(TraversityDiscoverer *discoverer, GInetAddress *local_ipv6);
+
+GInetAddress *traversity_discoverer_get_public_ipv4(TraversityDiscoverer *discoverer);
+void traversity_discoverer_set_public_ipv4(TraversityDiscoverer *discoverer, GInetAddress *public_ipv4);
+
+GInetAddress *traversity_discoverer_get_public_ipv6(TraversityDiscoverer *discoverer);
+void traversity_discoverer_set_public_ipv6(TraversityDiscoverer *discoverer, GInetAddress *public_ipv6);
+
+G_END_DECLS
+
+#endif /* TRAVERSITY_DISCOVERER_H */
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/traversityupnpdiscoverer.c Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,192 @@
+#include <tmpl-glib.h>
+
+#include "traversityupnpdiscoverer.h"
+
+#include "traversitycore.h"
+
+#define TRAVERSITY_UPNP_DISCOVERER_HTTPMU_HOST_ADDRESS "239.255.255.250"
+#define TRAVERSITY_UPNP_DISCOVERER_HTTPMU_HOST_PORT 1900
+
+#define TRAVERSITY_UPNP_DISCOVER_WAN_IP_SERVICE "WANIPConnection:1"
+#define TRAVERSITY_UPNP_DISCOVER_WAN_PPP_SERVICE "WANPPPConnection:1"
+
+struct _TraversityUpnpDiscoverer {
+ TraversityDiscoverer parent;
+
+ GSocket *socket;
+ GSocketAddress *address;
+
+ guint source;
+};
+
+G_DEFINE_TYPE(TraversityUpnpDiscoverer, traversity_upnp_discoverer, TRAVERSITY_TYPE_DISCOVERER)
+
+/******************************************************************************
+ * Helpers
+ *****************************************************************************/
+static gchar *
+traversity_upnp_build_search_request(TraversityUpnpDiscoverer *upnp,
+ const gchar *service_type,
+ GError **error)
+{
+ TmplScope *scope = NULL;
+ TmplSymbol *symbol = NULL;
+ TmplTemplate *template = NULL;
+ gboolean success = FALSE;
+ gchar *ret = NULL;
+ const gchar *path = "/org/imfreedom/keep/traversity/traversity/upnp/search-request";
+
+ template = tmpl_template_new(NULL);
+ success = tmpl_template_parse_resource(template, path, NULL, error);
+ if(!success) {
+ return NULL;
+ }
+
+ scope = tmpl_scope_new();
+
+ symbol = tmpl_scope_get(scope, "httpmu_host_address");
+ tmpl_symbol_assign_string(symbol, TRAVERSITY_UPNP_DISCOVERER_HTTPMU_HOST_ADDRESS);
+
+ symbol = tmpl_scope_get(scope, "httpmu_host_port");
+ tmpl_symbol_assign_string(symbol, G_STRINGIFY(TRAVERSITY_UPNP_DISCOVERER_HTTPMU_HOST_PORT));
+
+ symbol = tmpl_scope_get(scope, "service_type");
+ tmpl_symbol_assign_string(symbol, service_type);
+
+ ret = tmpl_template_expand_string(template, scope, error);
+
+ g_clear_object(&template);
+
+ return ret;
+}
+
+static void
+traversity_upnp_discoverer_udp_read(GSocket *socket, GIOCondition condition,
+ gpointer data)
+{
+ TraversityUpnpDiscoverer *upnp = data;
+ GError *error = NULL;
+ gchar buffer[65536];
+ gssize length;
+
+ length = g_socket_receive(upnp->socket, buffer, sizeof(buffer) - 1, NULL,
+ &error);
+
+ if(length > 0) {
+ buffer[length - 1] = '\0';
+
+ g_source_remove(upnp->source);
+ upnp->source = 0;
+
+ g_message("buffer: %s", buffer);
+ }
+}
+
+static void
+traversity_upnp_discoverer_broadcast(TraversityUpnpDiscoverer *upnp, GTask *task) {
+ GError *error = NULL;
+ GSource *source = NULL;
+ gchar *body = NULL;
+ gssize sent;
+ gsize length;
+
+ body = traversity_upnp_build_search_request(upnp, TRAVERSITY_UPNP_DISCOVER_WAN_IP_SERVICE, &error);
+ length = strlen(body);
+
+ g_message("sending body (%d)\n%s", length, body);
+
+ sent = g_socket_send_to(upnp->socket, upnp->address, body, length, NULL, &error);
+ if(error != NULL) {
+ g_task_return_error(task, error);
+ }
+
+ source = g_socket_create_source(upnp->socket, G_IO_IN, NULL);
+ g_source_set_callback(source,
+ G_SOURCE_FUNC(traversity_upnp_discoverer_udp_read),
+ upnp, NULL);
+ upnp->source = g_source_attach(source, NULL);
+ g_source_unref(source);
+
+ //g_task_return_boolean(task, TRUE);
+}
+
+/******************************************************************************
+ * TraversityDiscoverer Implementation
+ *****************************************************************************/
+static void
+traversity_upnp_discoverer_discover_async(TraversityDiscoverer *discoverer,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer data)
+{
+ TraversityUpnpDiscoverer *upnp = NULL;
+ GError *error = NULL;
+ GTask *task = NULL;
+
+ g_return_if_fail(TRAVERSITY_IS_UPNP_DISCOVERER(discoverer));
+
+ upnp = TRAVERSITY_UPNP_DISCOVERER(discoverer);
+
+ task = g_task_new(discoverer, cancellable, callback, data);
+
+ if(!G_IS_SOCKET(upnp->socket)) {
+ upnp->socket = g_socket_new(G_SOCKET_FAMILY_IPV4,
+ G_SOCKET_TYPE_DATAGRAM,
+ G_SOCKET_PROTOCOL_DEFAULT, &error);
+
+ if(error != NULL) {
+ g_task_return_error(task, error);
+
+ return;
+ }
+
+ if(!G_IS_SOCKET(upnp->socket)) {
+ g_task_return_new_error(task, TRAVERSITY_DOMAIN, 0,
+ "failed to create control socket: unknown "
+ "error");
+
+ return;
+ }
+ }
+
+ upnp->address = g_inet_socket_address_new_from_string(TRAVERSITY_UPNP_DISCOVERER_HTTPMU_HOST_ADDRESS,
+ TRAVERSITY_UPNP_DISCOVERER_HTTPMU_HOST_PORT);
+
+ traversity_upnp_discoverer_broadcast(upnp, task);
+}
+
+static gboolean
+traversity_upnp_discoverer_discover_finish(TraversityDiscoverer *discoverer,
+ GAsyncResult *result,
+ GError **error)
+{
+ return FALSE;
+}
+
+/******************************************************************************
+ * GObject Implementation
+ *****************************************************************************/
+static void
+traversity_upnp_discoverer_dispose(GObject *obj) {
+ TraversityUpnpDiscoverer *discoverer = TRAVERSITY_UPNP_DISCOVERER(obj);
+
+ g_clear_object(&discoverer->socket);
+
+ G_OBJECT_CLASS(traversity_upnp_discoverer_parent_class)->dispose(obj);
+}
+
+static void
+traversity_upnp_discoverer_init(TraversityUpnpDiscoverer *discoverer) {
+}
+
+static void
+traversity_upnp_discoverer_class_init(TraversityUpnpDiscovererClass *klass) {
+ GObjectClass *obj_class = G_OBJECT_CLASS(klass);
+ TraversityDiscovererClass *discoverer_class = TRAVERSITY_DISCOVERER_CLASS(klass);
+
+ obj_class->dispose = traversity_upnp_discoverer_dispose;
+
+ discoverer_class->discover_async = traversity_upnp_discoverer_discover_async;
+ discoverer_class->discover_finish = traversity_upnp_discoverer_discover_finish;
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/traversity/traversityupnpdiscoverer.h Mon Oct 03 00:56:58 2022 -0500
@@ -0,0 +1,24 @@
+#if !defined(TRAVERSITY_GLOBAL_HEADER_INSIDE) && !defined(TRAVERSITY_COMPILATION)
+# error "only <traversity.h> may be included directly"
+#endif
+
+#ifndef TRAVERSITY_UPNP_DISCOVERER_H
+#define TRAVERSITY_UPNP_DISCOVERER_H
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include <traversity/traversitydiscoverer.h>
+
+G_BEGIN_DECLS
+
+#define TRAVERSITY_TYPE_UPNP_DISCOVERER (traversity_upnp_discoverer_get_type())
+G_DECLARE_FINAL_TYPE(TraversityUpnpDiscoverer, traversity_upnp_discoverer, TRAVERSITY,
+ UPNP_DISCOVERER, TraversityDiscoverer)
+
+TraversityDiscoverer *traversity_upnp_discoverer_new(void);
+
+G_END_DECLS
+
+#endif /* TRAVERSITY_UPNP_DISCOVERER_H */
+