irclibs/C/main.c

#include "irc.h"

//Config
#define HOST "irc.server.net"
#define PORT 6667
#define NICK "tester"
char *channels[] = {"#test"};

#define CHECK_NULL() (client.nick != NULL && client.channel != NULL && client.msg != NULL)
IRCC_client client;

void die(char *msg) {
	puts(msg);
	IRCC_close(&client);
	exit(1);
}

void recvinfo(int ignore) {
	while (1) {
		unsigned int irc_status = IRCC_recv(&client);
		if (irc_status == IRCC_DISCONNECTED) {
			if (!ignore)
				die("Disconnected");
			return;
		}

		else if (strstr(client.raw, "No Ident") || irc_status == IRCC_CONNECTED)
			return;

		//Print
		if (!CHECK_NULL())
			return;

		if (irc_status == IRCC_PRIVMSG)
			printf("[%s %s] %s\n", client.channel, client.nick, client.msg);

		else if (irc_status == IRCC_NICK)
			printf("[N] %s is know as %s\n", client.nick, client.msg);

		else if (irc_status == IRCC_TOPIC)
			printf("[T] %s\n", client.msg);

		else if (irc_status == IRCC_JOIN)
			printf("[>] %s\n", client.nick);

		else if (irc_status == IRCC_PART)
			printf("[<] %s\n", client.nick);
	}
}

int main(void) {

	//512 - size of raw buffer (max irc)
	IRCC_init(&client, IRCC_MSG_MAX);
	int status = IRCC_connect(&client, HOST, PORT);
	if (status == IRCC_ERROR)
		die("Conn refused");

	//Socket timeout
	struct timeval tv = {5, 5};
	if (setsockopt(client.socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0)
		die("setsockopt");

	//Register
	recvinfo(1);
	IRCC_register(&client, NICK);

	//Recv motd and join in channel
	recvinfo(0);
	sleep(5);
	for (size_t i = 0; i < sizeof(channels) / sizeof(char *); i++) {
		if (channels[i] == NULL)
			break;

		size_t join_size = strlen("JOIN \r\n") + strlen(channels[i]) + 1;
		char *tmp = malloc(join_size);
		if (tmp == NULL)
			die("malloc retured NULL");

		snprintf(tmp, join_size, "JOIN %s\r\n", channels[i]);
		send(client.socket, tmp, join_size, 0);
		free(tmp);
	}

	recvinfo(0);
}