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authorHaru <haru@dotalux.com>2013-08-07 02:44:16 +0200
committerHaru <haru@dotalux.com>2013-08-12 17:14:51 +0200
commite7e2685a7dfb505e6ccabf83b44a2ea9620e1d86 (patch)
tree8d57a536e16a1c1b4926bc4f36a86264ed454d18 /src
parent7d4886e06f7755958a49b24e8269356cae8296fe (diff)
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Small IRC bridge tweaks
- Added documentation for the remaining undocumented functions - Dropped unused function ircbot->join - Moved commented out debug commands to ifdef blocks; to quickly toggle them, (un)comment #define IRBCOT_DEBUG on top of irc-bot.c Signed-off-by: Haru <haru@dotalux.com>
Diffstat (limited to 'src')
-rw-r--r--src/map/irc-bot.c96
-rw-r--r--src/map/irc-bot.h1
2 files changed, 81 insertions, 16 deletions
diff --git a/src/map/irc-bot.c b/src/map/irc-bot.c
index ac3355b45..81c6981d0 100644
--- a/src/map/irc-bot.c
+++ b/src/map/irc-bot.c
@@ -19,10 +19,16 @@
#include <stdlib.h>
#include <string.h>
+//#define IRCBOT_DEBUG
+
struct irc_bot_interface irc_bot_s;
char send_string[200];
+/**
+ * Timer callback to (re-)connect to an IRC server
+ * @see iTimer->do_timer
+ */
int irc_connect_timer(int tid, unsigned int tick, int id, intptr_t data) {
struct hSockOpt opt;
if( ircbot->isOn || ++ircbot->fails >= 3 )
@@ -42,6 +48,10 @@ int irc_connect_timer(int tid, unsigned int tick, int id, intptr_t data) {
return 0;
}
+/**
+ * Timer callback to send identification commands to an IRC server
+ * @see iTimer->do_timer
+ */
int irc_identify_timer(int tid, unsigned int tick, int id, intptr_t data) {
if( !ircbot->isOn )
return 0;
@@ -56,6 +66,10 @@ int irc_identify_timer(int tid, unsigned int tick, int id, intptr_t data) {
return 0;
}
+/**
+ * Timer callback to join channels (and optionally send NickServ commands)
+ * @see iTimer->do_timer
+ */
int irc_join_timer(int tid, unsigned int tick, int id, intptr_t data) {
if( !ircbot->isOn )
return 0;
@@ -72,6 +86,12 @@ int irc_join_timer(int tid, unsigned int tick, int id, intptr_t data) {
return 0;
}
+/**
+ * Search the handler for a given IRC received command
+ * @param function_name Name of the received IRC command
+ * @return Function pointer to the command handler, NULL in case
+ * of unhandled commands
+ */
struct irc_func* irc_func_search(char* function_name) {
int i;
for(i = 0; i < ircbot->funcs.size; i++) {
@@ -82,6 +102,10 @@ struct irc_func* irc_func_search(char* function_name) {
return NULL;
}
+/**
+ * Parser for the IRC server connection
+ * @see do_sockets
+ */
int irc_parse(int fd) {
char *parse_string = NULL, *str_safe = NULL;
@@ -114,6 +138,16 @@ int irc_parse(int fd) {
return 0;
}
+/**
+ * Parse the source from a received irc message
+ * @param source Source string, as reported by the server
+ * @param nick Pointer to a string where to return the nick (may not be NULL,
+ * needs to be able to fit an IRC_NICK_LENGTH long string)
+ * @param ident Pointer to a string where to return the ident (may not be
+ * NULL, needs to be able to fit an IRC_IDENT_LENGTH long string)
+ * @param host Pointer to a string where to return the hostname (may not be
+ * NULL, needs to be able to fit an IRC_HOST_LENGTH long string)
+ */
void irc_parse_source(char *source, char *nick, char *ident, char *host) {
int i, len = strlen(source), pos = 0;
unsigned char stage = 0;
@@ -130,6 +164,13 @@ void irc_parse_source(char *source, char *nick, char *ident, char *host) {
}
}
}
+
+/**
+ * Parse a received message from the irc server, and do the appropriate action
+ * for the detected command
+ * @param fd IRC server connection file descriptor
+ * @param str Raw received message
+ */
void irc_parse_sub(int fd, char *str) {
char source[180], command[60], buf1[500], buf2[500];
char *target = buf1, *message = buf2;
@@ -150,13 +191,19 @@ void irc_parse_sub(int fd, char *str) {
return;
if( !(func = ircbot->func_search(command)) && !(func = ircbot->func_search(source)) ) {
- //ShowWarning("Unknown command received %s from %s\n",command,source);
+#ifdef IRCBOT_DEBUG
+ ShowWarning("Unknown command received %s from %s\n",command,source);
+#endif // IRCBOT_DEBUG
return;
}
func->func(fd,command,source,target,message);
}
+/**
+ * Send a raw command to the irc server
+ * @param str Command to send
+ */
void irc_send(char *str) {
int len = strlen(str) + 2;
WFIFOHEAD(ircbot->fd, len);
@@ -164,19 +211,15 @@ void irc_send(char *str) {
WFIFOSET(ircbot->fd, len);
}
+/**
+ * Handler for the PING IRC command (send back a PONG)
+ * @see irc_parse_sub
+ */
void irc_pong(int fd, char *cmd, char *source, char *target, char *msg) {
sprintf(send_string, "PONG %s", cmd);
ircbot->send(send_string);
}
-void irc_join(int fd, char *cmd, char *source, char *target, char *msg) {
- if( ircbot->isIn )
- return;
- sprintf(send_string, "JOIN %s", hChSys.irc_channel);
- ircbot->send(send_string);
- ircbot->isIn = true;
-}
-
/**
* Handler for CTCP commands received via PRIVMSG
* @see irc_privmsg
@@ -218,11 +261,17 @@ void irc_privmsg_ctcp(int fd, char *cmd, char *source, char *target, char *msg)
} else if( strcmpi(cmd,"VERSION") == 0 ) {
sprintf(send_string, "NOTICE %s :\001VERSION Hercules.ws IRC Bridge\001",source_nick);
ircbot->send(send_string);
- //} else {
- //ShowWarning("Unknown CTCP command received %s (%s) from %s\n",cmd,msg,source);
+#ifdef IRCBOT_DEBUG
+ } else {
+ ShowWarning("Unknown CTCP command received %s (%s) from %s\n",cmd,msg,source);
+#endif // IRCBOT_DEBUG
}
}
+/**
+ * Handler for the PRIVMSG IRC command (action depends on the message contents)
+ * @see irc_parse_sub
+ */
void irc_privmsg(int fd, char *cmd, char *source, char *target, char *msg) {
if( msg && *msg == '\001' && strlen(msg) > 2 && msg[strlen(msg)-1] == '\001' ) {
// CTCP
@@ -231,8 +280,10 @@ void irc_privmsg(int fd, char *cmd, char *source, char *target, char *msg) {
sscanf(msg, "\001%499[^\001\r\n ] %499[^\r\n\001]\001", command, message);
irc_privmsg_ctcp(fd, command, source, target, message);
- //} else if( strcmpi(target,hChSys.irc_nick) == 0 ) {
- //ShowDebug("irc_privmsg: Received message from %s: '%s'\n", source ? source : "(null)", msg);
+#ifdef IRCBOT_DEBUG
+ } else if( strcmpi(target,hChSys.irc_nick) == 0 ) {
+ ShowDebug("irc_privmsg: Received message from %s: '%s'\n", source ? source : "(null)", msg);
+#endif // IRCBOT_DEBUG
} else if( strcmpi(target,hChSys.irc_channel) == 0 ) {
char source_nick[IRC_NICK_LENGTH], source_ident[IRC_IDENT_LENGTH], source_host[IRC_HOST_LENGTH];
@@ -308,13 +359,23 @@ void irc_usernick(int fd, char *cmd, char *source, char *target, char *msg) {
}
}
-void irc_relay (char *name, const char *msg) {
+/**
+ * Relay a chat message to the irc channel the bot is connected to
+ * @param name Sender's name
+ * @param msg Message text
+ */
+void irc_relay(char *name, const char *msg) {
if( !ircbot->isIn )
return;
sprintf(send_string,"PRIVMSG %s :[ %s ] : %s",hChSys.irc_channel,name,msg);
ircbot->send(send_string);
}
+
+/**
+ * IRC bot initializer
+ */
void irc_bot_init(void) {
+ /// Command handlers
const struct irc_func irc_func_base[] = {
{ "PING" , ircbot->pong },
{ "PRIVMSG", ircbot->privmsg },
@@ -358,6 +419,9 @@ void irc_bot_init(void) {
iTimer->add_timer(iTimer->gettick() + 7000, ircbot->connect_timer, 0, 0);
}
+/**
+ * IRC bot finalizer
+ */
void irc_bot_final(void) {
int i;
@@ -374,6 +438,9 @@ void irc_bot_final(void) {
aFree(ircbot->funcs.list);
}
+/**
+ * IRC bot interface defaults initializer
+ */
void ircbot_defaults(void) {
ircbot = &irc_bot_s;
@@ -396,7 +463,6 @@ void ircbot_defaults(void) {
ircbot->relay = irc_relay;
ircbot->pong = irc_pong;
- ircbot->join = irc_join;
ircbot->privmsg = irc_privmsg;
ircbot->userjoin = irc_userjoin;
diff --git a/src/map/irc-bot.h b/src/map/irc-bot.h
index 0efb0245e..c0a72dd07 100644
--- a/src/map/irc-bot.h
+++ b/src/map/irc-bot.h
@@ -50,7 +50,6 @@ struct irc_bot_interface {
void (*relay) (char *name, const char *msg);
/* */
void (*pong) (int fd, char *cmd, char *source, char *target, char *msg);
- void (*join) (int fd, char *cmd, char *source, char *target, char *msg);
void (*privmsg) (int fd, char *cmd, char *source, char *target, char *msg);
void (*userjoin) (int fd, char *cmd, char *source, char *target, char *msg);
void (*userleave) (int fd, char *cmd, char *source, char *target, char *msg);