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-rw-r--r--tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c151
1 files changed, 146 insertions, 5 deletions
diff --git a/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c b/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c
index 4cdbcea9b..24a391a3c 100644
--- a/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c
+++ b/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c
@@ -286,14 +286,149 @@ void reply_SetPower(DBusMessage* msg, DBusConnection* conn, char* state) {
reply_SetGivenPath(msg, conn, "/sys/power/state", state);
}
-void listen() {
- DBusMessage* msg;
+void signal_NameAcquired(DBusMessage* msg) {
+ DBusMessageIter args;
+ char *name = NULL;
+ if(dbus_message_iter_init(msg, &args)) {
+ if(DBUS_TYPE_STRING == dbus_message_iter_get_arg_type(&args)) {
+ dbus_message_iter_get_basic(&args, &name);
+ }
+ }
+ fprintf(stderr, "[tde_dbus_hardwarecontrol] Name acquired: %s\n", name);
+}
+
+void reply_Introspect(DBusMessage* msg, DBusConnection* conn) {
DBusMessage* reply;
DBusMessageIter args;
+ dbus_uint32_t serial = 0;
+ size_t size = 2048;
+ const char* member = dbus_message_get_member(msg);
+ const char *path = dbus_message_get_path(msg);
+ char *data = malloc(size);
+
+ // compose reply
+ strncpy(data,
+ "<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n"
+ " \"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n",
+ size);
+ strncat(data, "<node>\n", size-strlen(data));
+ if(strcmp("/", path) == 0) {
+ strncat(data, " <node name=\"org\" />\n", size-strlen(data));
+ }
+ else if(strcmp("/org", path) == 0) {
+ strncat(data, " <node name=\"trinitydesktop\" />\n", size-strlen(data));
+ }
+ else if(strcmp("/org/trinitydesktop", path) == 0) {
+ strncat(data, " <node name=\"hardwarecontrol\" />\n", size-strlen(data));
+ }
+ else if(strcmp("/org/trinitydesktop/hardwarecontrol", path) == 0) {
+ strncat(data,
+ " <interface name=\"org.trinitydesktop.hardwarecontrol.CPUGovernor\">\n"
+ " <method name=\"CanSetCPUGovernor\">\n"
+ " <arg name=\"cpu\" direction=\"in\" type=\"i\" />\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " <method name=\"SetCPUGovernor\">\n"
+ " <arg name=\"cpu\" direction=\"in\" type=\"i\" />\n"
+ " <arg name=\"governor\" direction=\"in\" type=\"s\" />\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " </interface>\n",
+ size-strlen(data));
+ strncat(data,
+ " <interface name=\"org.trinitydesktop.hardwarecontrol.Brightness\">\n"
+ " <method name=\"CanSetBrightness\">\n"
+ " <arg name=\"device\" direction=\"in\" type=\"s\" />\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " <method name=\"SetBrightness\">\n"
+ " <arg name=\"device\" direction=\"in\" type=\"s\" />\n"
+ " <arg name=\"brightness\" direction=\"in\" type=\"s\" />\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " </interface>\n",
+ size-strlen(data));
+ strncat(data,
+ " <interface name=\"org.trinitydesktop.hardwarecontrol.Power\">\n"
+ " <method name=\"CanStandby\">\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " <method name=\"Standby\">\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " <method name=\"CanSuspend\">\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " <method name=\"Suspend\">\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " <method name=\"CanHibernate\">\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " <method name=\"Hibernate\">\n"
+ " <arg name=\"value\" direction=\"out\" type=\"b\" />\n"
+ " </method>\n"
+ " </interface>\n",
+ size-strlen(data));
+ }
+ strncat(data, "</node>\n", size-strlen(data));
+
+ // create a reply from the message
+ reply = dbus_message_new_method_return(msg);
+
+ // add the arguments to the reply
+ dbus_message_iter_init_append(reply, &args);
+ if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &data)) {
+ fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: dbus_message_iter_append_basic failed\n", member);
+ return;
+ }
+
+ // send the reply && flush the connection
+ if (!dbus_connection_send(conn, reply, &serial)) {
+ fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: dbus_connection_send failed\n", member);
+ return;
+ }
+ dbus_connection_flush(conn);
+
+ // free the reply
+ dbus_message_unref(reply);
+ free((void*)data);
+}
+
+void error_UnknownMessage(DBusMessage* msg, DBusConnection* conn) {
+ DBusMessage* reply;
+ dbus_uint32_t serial = 0;
+ const char* member = dbus_message_get_member(msg);
+ const char* interface = dbus_message_get_interface(msg);
+
+ // print message
+ fprintf(stderr, "[tde_dbus_hardwarecontrol] Unknown method '%s' called on interface '%s', ignoring\n", member, interface);
+ if (DBUS_MESSAGE_TYPE_METHOD_CALL != dbus_message_get_type(msg)) {
+ return;
+ }
+
+ // create a reply from the message
+ reply = dbus_message_new_error_printf(msg,
+ "org.freedesktop.DBus.Error.UnknownMethod",
+ "Method \"%s\" on interface \"%s\" doesn't exist",
+ member, interface);
+
+ // send the reply && flush the connection
+ if (!dbus_connection_send(conn, reply, &serial)) {
+ fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: dbus_connection_send failed\n", member);
+ return;
+ }
+ dbus_connection_flush(conn);
+
+ // free the reply
+ dbus_message_unref(reply);
+}
+
+void listen() {
+ DBusMessage* msg;
DBusConnection* conn;
DBusError err;
int ret;
- char* param;
fprintf(stderr, "[tde_dbus_hardwarecontrol] Listening...\n");
@@ -327,7 +462,7 @@ void listen() {
// non blocking read of the next available message
dbus_connection_read_write(conn, 1000); // block for up to 1 second
msg = dbus_connection_pop_message(conn);
-
+
// loop again if we haven't got a message
if (NULL == msg) {
continue;
@@ -364,8 +499,14 @@ void listen() {
else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Power", "Hibernate")) {
reply_SetPower(msg, conn, "disk");
}
+ else if (dbus_message_is_signal(msg, "org.freedesktop.DBus", "NameAcquired")) {
+ signal_NameAcquired(msg);
+ }
+ else if (dbus_message_is_method_call(msg, "org.freedesktop.DBus.Introspectable", "Introspect")) {
+ reply_Introspect(msg, conn);
+ }
else {
- fprintf(stderr, "[tde_dbus_hardwarecontrol] Unknown method '%s' called on interface '%s', ignoring\n", dbus_message_get_member(msg), dbus_message_get_interface(msg));
+ error_UnknownMessage(msg, conn);
}
// free the message
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-09 06:04:28 +0000