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main.c
171 lines (143 loc) · 3.64 KB
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main.c
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include "helpers.h"
#include "irc.h"
#include "config.h"
#include "module_support.h"
config *conf = NULL;
#define Is_cmd(__cmd) (!strcmp(cmd, __cmd))
static int handle_keyboard_input(irc_connection *con)
{
char msg[512];
int retval = 0;
char *ret = fgets(msg, 511, stdin);
if (!ret) return -1;
if (strlen(ret) < 2) return 0;
char *parse = strdup(msg);
char *cmd = strtok(parse, " \n");
if (Is_cmd("q")) {
/* user input "q" quits the whole application. */
retval = -2;
}
else if (Is_cmd("load")) {
char *modname = strtok(NULL, " \n");
printf("Loading module %15s ... ", modname);
int mod_ret = module_load(con, conf, modname);
if (!mod_ret) printf("OK!\n");
else printf("Error (%d)!\n", mod_ret);
}
else if (Is_cmd("unload")) {
char *modname = strtok(NULL, " \n");
printf("Unloading module %15s ... ", modname);
int mod_ret = module_unload(con, modname);
if (!mod_ret) printf("OK!\n");
else printf("Error (%d)!\n", mod_ret);
}
else if (Is_cmd("modules")) {
printf("Currently loaded modules:\n");
char **modules = module_loaded_modules(con);
int i;
for (i=0; modules[i]; i++)
printf(" - %15s\n", modules[i]);
free(modules);
}
else
retval = irc_send_raw_msg(con, msg);
free(parse);
return retval;
}
static int handle_irc_messages(irc_connection *con)
{
wait_fill_buffer(con);
int msgs = irc_messages_pending(con);
while (msgs--) {
irc_msg *msg = irc_next_message(con);
if (!msg) {
printf("Erroneous message.\n");
continue;
}
if (!module_handle_msg(con, msg))
#if 0
printf("<-- %s\n", msg->raw_str);
#else
printf("<-- SRC %s CMD %s TGT %s PRM %s\n",
msg->source, msg->command, msg->target, msg->params);
#endif
irc_free_msg(msg);
}
return 0;
}
int main(int argc, char *argv[])
{
int err;
int max_descr;
fd_set sock_set;
struct timeval select_timeout;
int running = 1;
irc_connection con;
unsigned irc_port;
char *irc_server;
conf = config_from_filename("ircb.conf");
assert(conf);
if (argc == 3) {
irc_server = argv[1];
irc_port = atoi(argv[2]);
}
if (argc == 2) {
irc_server = argv[1];
irc_port = 6667;
}
else if (argc == 1) {
config_group *g = config_get_group(conf, "irc");
irc_server = Conf("server", "INVALID");
if (!strcmp(irc_server, "INVALID")) {
Printerr("No IRC server address given!\n");
return 1;
}
char *portstr = Conf("port", "6667");
assert(irc_server && portstr);
irc_port = atoi(portstr);
}
else
return 1;
err = irc_connect(&con, irc_server, irc_port);
if (err) {
Printerr("Got no connection to IRC server!\n");
return 1;
}
module_load_module_dir(&con, conf);
config_group *g = config_get_group(conf, "bot");
irc_set_nick(&con, Conf("nickname", "cbot"));
irc_set_user(&con,
Conf("username", "cbot_user"),
Conf("hostname", "cbot_host"),
Conf("servername", "cbot_server"),
Conf("realname", "The CBot!"));
max_descr = MAX(STDIN_FILENO, con.sockfd) + 1;
while (running) {
FD_ZERO(&sock_set);
FD_SET(STDIN_FILENO, &sock_set);
FD_SET(con.sockfd, &sock_set);
select_timeout.tv_sec = 120;
select_timeout.tv_usec = 0;
err = select(max_descr, &sock_set, NULL, NULL, &select_timeout);
if (!err) {
/* Handle timeout */
}
if (FD_ISSET(con.sockfd, &sock_set))
/* Incoming data from IRC network */
running = !handle_irc_messages(&con);
if (FD_ISSET(STDIN_FILENO, &sock_set))
/* Local user input */
running = handle_keyboard_input(&con) != -2;
}
module_unload_all(&con);
irc_close(&con, "bye.");
return 0;
}