Added event handling

Makefile

@@ -1,6 +1,6 @@
 CC=gcc
-CFLAGS=-c -lconfig -I./lib
+CFLAGS=-g -std=gnu99 -c -lconfig -I./lib
-BINFLAGS=-lconfig
+BINFLAGS=-g -lconfig
 SRC=./src
 OBJ=./build
 OBJECTS=$(OBJ)/*.o

lib/events.h

@@ -3,7 +3,21 @@
 
 #include "irc.h"
 
+#define PRIVMSG_SELF    1
+#define PRIVMSG_CHAN    2
+#define JOIN            3
+
+struct handler
+{
+	int type;
+	int count;
+	void **handlers;
+};
+
+void init_events();
+void add_handler(int type, void *handler);
 void handle_chan_privmsg(struct irc_conn *bot, char *user, char *chan, char *text);
 void handle_self_privmsg(struct irc_conn *bot, char *user, char *text);
+void handle_join(struct irc_conn *bot, char *user, char *chan);
 
 #endif

lib/irc.h

@@ -27,7 +27,7 @@ struct irc_conn
 
 void irc_connect(struct irc_conn *bot);
 void irc_auth(struct irc_conn *bot);
-void irc_notice(struct irc_conn *bot, char *to, char *msg);
+void irc_notice(struct irc_conn *bot, char *to, char *fmt, ...);
 void irc_raw(struct irc_conn *bot, char *fmt, ...);
 void irc_parse_raw(struct irc_conn *bot, char *raw);
 

src/events.c

@@ -1,19 +1,78 @@
 #include "irc.h"
 #include "util.h"
+#include "events.h"
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
+#include <dlfcn.h>
+
+#define HANDLERARRY_LEN 500
+
+struct handler privmsg_self;
+struct handler privmsg_chan;
+struct handler chan_join;
+
+void init_events()
+{
+	privmsg_self.type = PRIVMSG_SELF;
+	privmsg_chan.type = PRIVMSG_CHAN;
+	chan_join.type    = JOIN;
+
+	privmsg_self.count = 0;
+	privmsg_chan.count = 0;
+	chan_join.count    = 0;
+
+	privmsg_self.handlers = malloc(sizeof(void *) * HANDLERARRY_LEN);
+	privmsg_chan.handlers = malloc(sizeof(void *) * HANDLERARRY_LEN);
+	chan_join.handlers    = malloc(sizeof(void *) * HANDLERARRY_LEN);		
+}
+
+void add_handler(int type, void *handler)
+{
+	int handler_count;
+
+	if (type == PRIVMSG_SELF)
+	{
+		privmsg_self.handlers[privmsg_self.count] = handler;
+		privmsg_self.count++;
+	}
+	else if (type == PRIVMSG_CHAN)
+	{
+		privmsg_chan.handlers[privmsg_chan.count] = handler;
+		privmsg_chan.count++;
+	}
+	else if (type == JOIN)
+	{
+		chan_join.handlers[chan_join.count] = handler;
+		chan_join.count++;
+	}
+
+}
 
 void handle_chan_privmsg(struct irc_conn *bot, char *user, char *chan, char *text)
 {
+	void (*handler)();
 
+	for (int i = 0; i < privmsg_chan.count; i++)
+	{
+		handler = privmsg_chan.handlers[i];
+		((void(*)())handler)(bot, user, chan, text);
+	}
 }
 
 void handle_self_privmsg(struct irc_conn *bot, char *user, char *text)
 {
+	void (*handler)();
 	char *cmd, *arg;
 	cmd = text;
 	arg = skip(cmd, ' ');
 
+	for (int i = 0; i < privmsg_self.count; i++)
+	{
+		handler = privmsg_self.handlers[i];
+		((void(*)())handler)(bot, user, text);
+	}	
+
 	if (!strcmp("JOIN", cmd))
 	{
 		if (strcmp(bot->admin, user))
@@ -25,4 +84,34 @@ void handle_self_privmsg(struct irc_conn *bot, char *user, char *text)
 			irc_notice(bot, user, "You are unauthorized to use this command.");
 		}
 	}
+
+	if (!strcmp("LOADMOD", cmd))
+	{
+		if (strcmp(bot->admin, user))
+		{
+			irc_notice(bot, user, "Loading module: mods/%s.so", arg);
+		}
+		else
+		{
+			irc_notice(bot, user, "You are unauthorized to use this command.");
+		}
+	}
+}
+
+void handle_join(struct irc_conn *bot, char *user, char *chan)
+{
+	void (*handler)();
+
+	for (int i = 0; i < chan_join.count; i++)
+	{
+		handler = chan_join.handlers[i];
+		((void(*)())handler)(bot, user, chan);
+	}
+}
+
+void free_events()
+{
+	free(privmsg_self.handlers);
+	free(privmsg_chan.handlers);
+	free(chan_join.handlers);
 }

src/irc.c

@@ -9,6 +9,7 @@
 #include "util.h"
 #include "events.h"
 #include <string.h>
+#include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdarg.h>
@@ -62,9 +63,16 @@ void irc_auth(struct irc_conn *bot)
 	fflush(bot->srv_fd);
 }
 
-void irc_notice(struct irc_conn *bot, char *to, char *msg)
+void irc_notice(struct irc_conn *bot, char *to, char *fmt, ...)
 {
-	irc_raw(bot, "NOTICE %s :%s", to, msg);
+	char msg_[4096];
+	va_list ap;
+
+	va_start(ap, fmt);
+	vsnprintf(msg_, sizeof msg_, fmt, ap);
+	va_end(ap);
+
+	irc_raw(bot, "NOTICE %s :%s", to, msg_);
 }
 
 void irc_raw(struct irc_conn *bot, char *fmt, ...)
@@ -123,6 +131,11 @@ void irc_parse_raw(struct irc_conn *bot, char *raw)
 			handle_chan_privmsg(bot, user, par, text);
 		}
 	}
+	else if (!strcmp("JOIN", raw))
+	{
+		handle_join(bot, user, par);
+	}
+
 	else if (!strcmp("PING", raw))
 	{
 		irc_raw(bot, "PONG %s", text);

src/main.c

@@ -9,8 +9,16 @@
 #include <sys/select.h>
 #include <libconfig.h>
 #include "irc.h"
+#include "util.h"
+#include "events.h"
 
 
+void hello_cmd(struct irc_conn *bot, char *user, char *text)
+{
+	printf("cmd exec\n");
+	irc_notice(bot, user, "Hello");
+}
+
 int main()
 {
 	fd_set rd;
@@ -19,6 +27,8 @@ int main()
 	const char *base = NULL;
 	struct irc_conn bot;
 
+	init_events();
+
 	// Init the config parser
 	cf = &cfg;
 	config_init(cf);
@@ -54,6 +64,9 @@ int main()
 	// Free the config before entering the main loop
 	config_destroy(cf);
 
+	add_handler(PRIVMSG_SELF, hello_cmd);
+	add_handler(PRIVMSG_SELF, hello_cmd);
+
 	for (;;)
 	{
 		FD_ZERO(&rd);

src/util.c

@@ -9,6 +9,7 @@
 #include <stdarg.h>
 #include <string.h>
 #include <stdlib.h>
+#include <ctype.h>
 
 void eprint(char *fmt, ...)
 {