#include <arpa/inet.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>
#include "runes.h"
#include "daemon.h"
#include "loop.h"
#include "protocol.h"
#include "socket.h"
#include "term.h"
static int runes_daemon_handle_request(void *t);
static void runes_daemon_handle_new_term_message(
RunesDaemon *daemon, char *buf, size_t len);
RunesDaemon *runes_daemon_new(RunesLoop *loop, RunesWindowBackend *wb)
{
RunesDaemon *daemon;
daemon = calloc(1, sizeof(RunesDaemon));
daemon->loop = loop;
daemon->wb = wb;
daemon->sock_name = runes_get_daemon_socket_name();
daemon->sock = runes_socket_server_open(daemon->sock_name);
runes_daemon_init_loop(daemon, loop);
return daemon;
}
void runes_daemon_init_loop(RunesDaemon *daemon, RunesLoop *loop)
{
runes_loop_start_work(
loop, daemon->sock, daemon, runes_daemon_handle_request);
}
void runes_socket_delete(RunesDaemon *daemon)
{
runes_socket_server_close(daemon->sock, daemon->sock_name);
free(daemon->sock_name);
free(daemon);
}
static int runes_daemon_handle_request(void *t)
{
RunesDaemon *daemon = (RunesDaemon *)t;
int client_sock, type, ret = 1;
char *buf;
size_t len;
client_sock = runes_socket_server_accept(daemon->sock);
if (runes_protocol_read_packet(client_sock, &type, &buf, &len)) {
switch (type) {
case RUNES_PROTOCOL_NEW_TERM:
runes_daemon_handle_new_term_message(daemon, buf, len);
break;
case RUNES_PROTOCOL_KILL_DAEMON:
ret = 0;
runes_loop_stop(daemon->loop);
break;
default:
runes_warn("unknown packet type: %d", type);
break;
}
free(buf);
}
else {
runes_warn("invalid packet received");
}
runes_socket_client_close(client_sock);
return ret;
}
static void runes_daemon_handle_new_term_message(
RunesDaemon *daemon, char *buf, size_t len)
{
struct runes_protocol_new_term_message msg;
if (runes_protocol_parse_new_term_message(buf, len, &msg)) {
RunesTerm *new_term;
new_term = runes_term_new(
msg.argc, msg.argv, msg.envp, msg.cwd, daemon->wb);
runes_term_register_with_loop(new_term, daemon->loop);
runes_protocol_free_new_term_message(&msg);
}
else {
runes_warn("couldn't parse message from client");
}
}