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#include <assert.h>
#include <dbus/dbus.h>
#include <stdbool.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
#include <syslog.h>
#include "acpi-watch.h"
#include "acpi-queue.h"
#include <acpid/driver.h>
static DBusConnection *conn;
static void dispatch(lua_State *L)
{
struct acpi_channel_descriptor cds[12];
unsigned long num = 0;
lua_pushnil(L);
while (lua_next(L, LUA_REGISTRYINDEX) != 0) {
struct acpi_channel *channel = lua_touserdata(L, -2);
num += (*channel->ops->setup)(channel, cds + num, 12 - num);
lua_pop(L, 1);
if (num == 12)
break;
}
lua_pop(L, 1);
struct pollfd fds[num];
for (unsigned long i = 0; i < num; ++i) {
fds[i].fd = cds[i].fd;
fds[i].events = cds[i].events;
}
int ret = poll(fds, num, -1);
for (unsigned long i = 0; i < num; ++i) {
if (fds[i].revents) {
int ret = (*cds[i].channel->ops->handle)(cds[i].channel, L, fds[i].fd, fds[i].revents);
}
}
}
int acpi_dbus_event(const char *hid, unsigned long event, unsigned long data)
{
DBusMessage *msg = dbus_message_new_signal("/org/kernel/acpi", "org.kernel.acpi.Event", "Broadcast");
if (NULL == msg)
exit(1);
if (!dbus_message_append_args(msg, DBUS_TYPE_STRING, &hid, DBUS_TYPE_UINT32, &event, DBUS_TYPE_UINT32, &data, DBUS_TYPE_INVALID))
exit(1);
dbus_uint32_t serial = 0;
if (!dbus_connection_send(conn, msg, &serial))
exit(1);
dbus_connection_flush(conn);
dbus_message_unref(msg);
return 0;
}
int main(int argc, char *argv[])
{
DBusError err;
dbus_error_init(&err);
openlog("acpid-ng", 0, LOG_DAEMON);
syslog(LOG_INFO, "starting\n");
lua_State *L = luaL_newstate();
luaL_dofile(L, "config.lua");
lua_getfield(L, LUA_GLOBALSINDEX, "channels");
lua_pushnil(L);
while (lua_next(L, -2) != 0) {
if (acpi_channel_create(L) == 0) {
lua_insert(L, -2);
lua_settable(L, LUA_REGISTRYINDEX);
} else {
fprintf(stderr, "failed to create channel\n");
lua_pop(L, 1);
}
}
lua_pop(L, 1);
/* Remove the channel table */
lua_pushnil(L);
lua_setfield(L, LUA_GLOBALSINDEX, "channels");
lua_createtable(L, 99, 0);
lua_setfield(L, LUA_GLOBALSINDEX, "script");
luaL_dofile(L, "scripts.lua");
syslog(LOG_INFO, "loaded channels and scripts\n");
/* At this point the lua stack should be empty! */
assert(lua_gettop(L) == 0);
conn = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
if (conn == NULL) {
fprintf(stderr, "Connection Error (%s)\n", err.message);
dbus_error_free(&err);
exit(1);
}
int ret = dbus_bus_request_name(conn, "org.kernel.acpi", DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
if (dbus_error_is_set(&err)) {
fprintf(stderr, "Name Error (%s)\n", err.message);
dbus_error_free(&err);
exit(1);
}
for (;;) {
dispatch(L);
/*
struct acpi_queue queue = { 0 };
for (int i = 0; i < queue.num; ++i) {
printf("got an event from %s: %08x %08x %08x\n", queue.events[i].source, queue.events[i].type, queue.events[i].code, queue.events[i].value);
DBusMessage *msg = dbus_message_new_signal("/org/kernel/acpi", "org.kernel.acpi.Event", "Broadcast");
if (NULL == msg)
exit(1);
const char *source = queue.events[i].source;
if (!dbus_message_append_args(msg, DBUS_TYPE_STRING, &source, DBUS_TYPE_UINT32, &queue.events[i].type,
DBUS_TYPE_UINT32, &queue.events[i].code, DBUS_TYPE_UINT32, &queue.events[i].value, DBUS_TYPE_INVALID))
exit(1);
dbus_uint32_t serial = 0;
if (!dbus_connection_send(conn, msg, &serial))
exit(1);
dbus_connection_flush(conn);
dbus_message_unref(msg);
}
*/
}
return 0;
}
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