diff options
Diffstat (limited to 'tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c')
-rw-r--r-- | tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c | 167 |
1 files changed, 158 insertions, 9 deletions
diff --git a/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c b/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c index d00f06eb5..f88c5ab5a 100644 --- a/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c +++ b/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c @@ -5,6 +5,13 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <fcntl.h> + +// Input devices +#include <linux/input.h> + +#define BITS_PER_LONG (sizeof(long) * 8) +#define NUM_BITS(x) ((((x) - 1) / BITS_PER_LONG) + 1) void reply_Bool(DBusMessage* msg, DBusConnection* conn, int value) { DBusMessage* reply; @@ -177,7 +184,6 @@ void reply_CanSetBrightness(DBusMessage* msg, DBusConnection* conn) { const char* member = dbus_message_get_member(msg); char* rawpath; char* safepath; - char path[256]; // read the arguments if (!dbus_message_iter_init(msg, &args)) { @@ -211,7 +217,6 @@ void reply_SetBrightness(DBusMessage* msg, DBusConnection* conn) { char* rawpath; char* safepath; char* brightness; - char path[256]; // read the arguments if (!dbus_message_iter_init(msg, &args)) { @@ -266,7 +271,7 @@ void reply_CanSetPower(DBusMessage* msg, DBusConnection* conn, char* state) { char *line = NULL; size_t len = 0; ssize_t read = getline(&line, &len, node); - if (line) { + if (read > 0 && line) { method = strstr(line, state) != NULL; free(line); } @@ -317,6 +322,98 @@ void reply_SetHibernationMethod(DBusMessage* msg, DBusConnection* conn) { } } +void reply_InputEventsGetSwitches(DBusMessage* msg, DBusConnection* conn, bool active) { + DBusMessage* reply; + DBusMessageIter args, arrayIter; + const char* member = dbus_message_get_member(msg); + dbus_uint32_t serial = 0; + char* rawpath; + char* safepath; + int fd, r; + unsigned long switches[NUM_BITS(EV_CNT)]; + + // read the arguments + if (!dbus_message_iter_init(msg, &args)) { + fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: no argument supplied\n", member); + } + else if (DBUS_TYPE_STRING != dbus_message_iter_get_arg_type(&args)) { + fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: argument not string\n", member); + } + else { + dbus_message_iter_get_basic(&args, &rawpath); + } + + safepath = realpath(rawpath, NULL); + + if (safepath && + (strstr(safepath, "/dev/input/event") == safepath) + ) { + + fd = open(safepath, O_RDONLY); + if( active ) { + r = ioctl(fd, EVIOCGSW(sizeof(switches)), switches); + } + else { + r = ioctl(fd, EVIOCGBIT(EV_SW, EV_CNT), switches); + } + if( r > 0 ) { + dbus_uint32_t dSwitches[NUM_BITS(EV_CNT)]; + dbus_uint32_t *dSwitchesP = dSwitches; + int i; + + // create a reply from the message + reply = dbus_message_new_method_return(msg); + + // add the arguments to the reply + for( i = 0; i < sizeof(switches)/sizeof(switches[0]); i++ ) { + dSwitches[i] = switches[i]; + } + dbus_message_iter_init_append(reply, &args); + if (!dbus_message_iter_open_container(&args, DBUS_TYPE_ARRAY, "u", &arrayIter)) { + fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: dbus_message_iter_open_container failed\n", member); + return; + } + if( !dbus_message_iter_append_fixed_array(&arrayIter, DBUS_TYPE_UINT32, + &dSwitchesP, sizeof(switches)/sizeof(switches[0])) ) { + fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: dbus_message_iter_append_fixed_array failed\n", member); + return; + } + if (!dbus_message_iter_close_container(&args, &arrayIter)) { + fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: dbus_message_iter_close_container failed\n", member); + return; + } + } + else { + // create a reply from the message + reply = dbus_message_new_error_printf(msg, + "org.freedesktop.DBus.Error.NotSupported", + "Event device \"%s\" not support EV_SW ioctl", + safepath); + } + close(fd); + } + else { + // create a reply from the message + reply = dbus_message_new_error_printf(msg, + "org.freedesktop.DBus.Error.InvalidArgs", + "Event device \"%s\" is invalid", + rawpath); + } + + // 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 safepath + free(safepath); +} + void signal_NameAcquired(DBusMessage* msg) { DBusMessageIter args; char *name = NULL; @@ -354,6 +451,19 @@ void reply_Introspect(DBusMessage* msg, DBusConnection* conn) { } else if(strcmp("/org/trinitydesktop/hardwarecontrol", path) == 0) { 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.CPUGovernor\">\n" " <method name=\"CanSetCPUGovernor\">\n" " <arg name=\"cpu\" direction=\"in\" type=\"i\" />\n" @@ -367,15 +477,14 @@ void reply_Introspect(DBusMessage* msg, DBusConnection* conn) { " </interface>\n", size-strlen(data)); strncat(data, - " <interface name=\"org.trinitydesktop.hardwarecontrol.Brightness\">\n" - " <method name=\"CanSetBrightness\">\n" + " <interface name=\"org.trinitydesktop.hardwarecontrol.InputEvents\">\n" + " <method name=\"GetProvidedSwitches\">\n" " <arg name=\"device\" direction=\"in\" type=\"s\" />\n" - " <arg name=\"value\" direction=\"out\" type=\"b\" />\n" + " <arg name=\"value\" direction=\"out\" type=\"au\" />\n" " </method>\n" - " <method name=\"SetBrightness\">\n" + " <method name=\"GetActiveSwitches\">\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" + " <arg name=\"value\" direction=\"out\" type=\"au\" />\n" " </method>\n" " </interface>\n", size-strlen(data)); @@ -439,6 +548,37 @@ void reply_Introspect(DBusMessage* msg, DBusConnection* conn) { free((void*)data); } +void reply_PropertiesGetAll(DBusMessage* msg, DBusConnection* conn) { + DBusMessage* reply; + DBusMessageIter args, arrayIter; + const char* member = dbus_message_get_member(msg); + dbus_uint32_t serial = 0; + + // 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_open_container(&args, DBUS_TYPE_ARRAY, "sv", &arrayIter)) { + fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: dbus_message_iter_open_container failed\n", member); + return; + } + if (!dbus_message_iter_close_container(&args, &arrayIter)) { + fprintf(stderr, "[tde_dbus_hardwarecontrol] %s: dbus_message_iter_close_container 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); +} + void error_UnknownMessage(DBusMessage* msg, DBusConnection* conn) { DBusMessage* reply; dbus_uint32_t serial = 0; @@ -555,12 +695,21 @@ void listen() { else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Power", "SetHibernationMethod")) { reply_SetHibernationMethod(msg, conn); } + else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.InputEvents", "GetProvidedSwitches")) { + reply_InputEventsGetSwitches(msg, conn, false); + } + else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.InputEvents", "GetActiveSwitches")) { + reply_InputEventsGetSwitches(msg, conn, true); + } 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 if (dbus_message_is_method_call(msg, "org.freedesktop.DBus.Properties", "GetAll")) { + reply_PropertiesGetAll(msg, conn); + } else { error_UnknownMessage(msg, conn); } |