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/*
* Copyright (c) 2003-2008 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __WEECHAT_HOOK_H
#define __WEECHAT_HOOK_H 1
#ifdef HAVE_GNUTLS
#include <gnutls/gnutls.h>
#endif
struct t_gui_buffer;
struct t_gui_completion;
struct t_weelist;
struct t_infolist;
/* hook types */
enum t_hook_type
{
HOOK_TYPE_COMMAND = 0, /* new command */
HOOK_TYPE_TIMER, /* timer */
HOOK_TYPE_FD, /* socket of file descriptor */
HOOK_TYPE_CONNECT, /* connect to peer with fork */
HOOK_TYPE_PRINT, /* printed message */
HOOK_TYPE_SIGNAL, /* signal */
HOOK_TYPE_CONFIG, /* config option */
HOOK_TYPE_COMPLETION, /* custom completions */
HOOK_TYPE_MODIFIER, /* string modifier */
HOOK_TYPE_INFO, /* get some info as string */
HOOK_TYPE_INFOLIST, /* get some info as infolist */
/* number of hook types */
HOOK_NUM_TYPES,
};
/* max calls that can be done for a command (recursive calls) */
#define HOOK_COMMAND_MAX_CALLS 5
/* flags for fd hooks */
#define HOOK_FD_FLAG_READ 1
#define HOOK_FD_FLAG_WRITE 2
#define HOOK_FD_FLAG_EXCEPTION 4
/* macros to access hook specific data */
#define HOOK_COMMAND(hook, var) (((struct t_hook_command *)hook->hook_data)->var)
#define HOOK_TIMER(hook, var) (((struct t_hook_timer *)hook->hook_data)->var)
#define HOOK_FD(hook, var) (((struct t_hook_fd *)hook->hook_data)->var)
#define HOOK_CONNECT(hook, var) (((struct t_hook_connect *)hook->hook_data)->var)
#define HOOK_PRINT(hook, var) (((struct t_hook_print *)hook->hook_data)->var)
#define HOOK_SIGNAL(hook, var) (((struct t_hook_signal *)hook->hook_data)->var)
#define HOOK_CONFIG(hook, var) (((struct t_hook_config *)hook->hook_data)->var)
#define HOOK_COMPLETION(hook, var) (((struct t_hook_completion *)hook->hook_data)->var)
#define HOOK_MODIFIER(hook, var) (((struct t_hook_modifier *)hook->hook_data)->var)
#define HOOK_INFO(hook, var) (((struct t_hook_info *)hook->hook_data)->var)
#define HOOK_INFOLIST(hook, var) (((struct t_hook_infolist *)hook->hook_data)->var)
struct t_hook
{
/* data common to all hooks */
struct t_weechat_plugin *plugin; /* plugin which created this hook */
/* (NULL for hook created by WeeChat)*/
enum t_hook_type type; /* hook type */
int deleted; /* hook marked for deletion ? */
int running; /* 1 if hook is currently running */
void *callback_data; /* data sent to callback */
/* hook data (depends on hook type) */
void *hook_data; /* hook specific data */
struct t_hook *prev_hook; /* link to previous hook */
struct t_hook *next_hook; /* link to next hook */
};
typedef int (t_hook_callback_command)(void *data, struct t_gui_buffer *buffer,
int argc, char **argv, char **argv_eol);
struct t_hook_command
{
t_hook_callback_command *callback; /* command callback */
char *command; /* name of command (without '/') */
int level; /* when many commands with same name */
/* exist: lower level= high priority */
char *description; /* (for /help) short cmd description */
char *args; /* (for /help) command arguments */
char *args_description; /* (for /help) args long description */
char *completion; /* template for completion */
};
typedef int (t_hook_callback_timer)(void *data);
struct t_hook_timer
{
t_hook_callback_timer *callback; /* timer callback */
long interval; /* timer interval (milliseconds) */
int remaining_calls; /* calls remaining (0 = unlimited) */
struct timeval last_exec; /* last time hook was executed */
struct timeval next_exec; /* next scheduled execution */
};
typedef int (t_hook_callback_fd)(void *data);
struct t_hook_fd
{
t_hook_callback_fd *callback; /* fd callback */
int fd; /* socket or file descriptor */
int flags; /* fd flags (read,write,..) */
};
typedef int (t_hook_callback_connect)(void *data, int status);
struct t_hook_connect
{
t_hook_callback_connect *callback; /* connect callback */
char *address; /* peer address */
int port; /* peer port */
int sock; /* socket (created by caller) */
int ipv6; /* IPv6 connection ? */
#ifdef HAVE_GNUTLS
gnutls_session_t *gnutls_sess; /* GnuTLS session (SSL connection) */
#endif
char *local_hostname; /* force local hostname (optional) */
int child_read; /* to read into child pipe */
int child_write; /* to write into child pipe */
pid_t child_pid; /* pid of child process (connecting) */
struct t_hook *hook_fd; /* pointer to fd hook */
};
typedef int (t_hook_callback_print)(void *data, struct t_gui_buffer *buffer,
time_t date, int tags_count,
char **tags, const char *prefix,
const char *message);
struct t_hook_print
{
t_hook_callback_print *callback; /* print callback */
struct t_gui_buffer *buffer; /* buffer selected (NULL = all) */
int tags_count; /* number of tags selected */
char **tags_array; /* tags selected (NULL = any) */
char *message; /* part of message (NULL/empty = all)*/
int strip_colors; /* strip colors in msg for callback? */
};
typedef int (t_hook_callback_signal)(void *data, const char *signal,
const char *type_data, void *signal_data);
struct t_hook_signal
{
t_hook_callback_signal *callback; /* signal callback */
char *signal; /* signal selected (may begin or end */
/* with "*", "*" == any signal) */
};
typedef int (t_hook_callback_config)(void *data, const char *option,
const char *value);
struct t_hook_config
{
t_hook_callback_config *callback; /* config callback */
char *option; /* config option for hook */
/* (NULL = hook for all options) */
};
typedef int (t_hook_callback_completion)(void *data,
const char *completion_item,
struct t_gui_buffer *buffer,
struct t_gui_completion *completion);
struct t_hook_completion
{
t_hook_callback_completion *callback; /* completion callback */
char *completion_item; /* name of completion */
};
typedef char *(t_hook_callback_modifier)(void *data, const char *modifier,
const char *modifier_data,
const char *string);
struct t_hook_modifier
{
t_hook_callback_modifier *callback; /* modifier callback */
char *modifier; /* name of modifier */
};
typedef char *(t_hook_callback_info)(void *data, const char *info_name,
const char *arguments);
struct t_hook_info
{
t_hook_callback_info *callback; /* info callback */
char *info_name; /* name of info returned */
char *description; /* description */
};
typedef struct t_infolist *(t_hook_callback_infolist)(void *data,
const char *infolist_name,
void *pointer,
const char *arguments);
struct t_hook_infolist
{
t_hook_callback_infolist *callback; /* infolist callback */
char *infolist_name; /* name of infolist returned */
char *description; /* description */
};
/* hook variables */
extern struct t_hook *weechat_hooks[];
extern struct t_hook *last_weechat_hook[];
/* hook functions */
extern void hook_init ();
extern int hook_valid (struct t_hook *hook);
extern int hook_valid_for_plugin (struct t_weechat_plugin *plugin,
struct t_hook *hook);
extern struct t_hook *hook_command (struct t_weechat_plugin *plugin,
const char *command, const char *description,
const char *args, const char *args_description,
const char *completion,
t_hook_callback_command *callback,
void *callback_data);
extern int hook_command_exec (struct t_gui_buffer *buffer, int any_plugin,
struct t_weechat_plugin *plugin, const char *string);
extern struct t_hook *hook_timer (struct t_weechat_plugin *plugin,
long interval, int align_second,
int max_calls,
t_hook_callback_timer *callback,
void *callback_data);
extern int hook_timer_time_to_next (struct timeval *tv_timeout);
extern void hook_timer_exec ();
extern struct t_hook *hook_fd (struct t_weechat_plugin *plugin, int fd,
int flag_read, int flag_write,
int flag_exception,
t_hook_callback_fd * callback,
void *callback_data);
extern int hook_fd_set (fd_set *read_fds, fd_set *write_fds,
fd_set *exception_fds);
extern void hook_fd_exec (fd_set *read_fds, fd_set *write_fds,
fd_set *exception_fds);
extern struct t_hook *hook_connect (struct t_weechat_plugin *plugin,
const char *address, int port,
int sock, int ipv6, void *gnutls_session,
const char *local_hostname,
t_hook_callback_connect * callback,
void *callback_data);
extern struct t_hook *hook_print (struct t_weechat_plugin *plugin,
struct t_gui_buffer *buffer,
const char *tags, const char *message,
int strip_colors,
t_hook_callback_print *callback,
void *callback_data);
extern void hook_print_exec (struct t_gui_buffer *buffer,
time_t date, int tags_count,
char **tags_array, const char *prefix,
const char *message);
extern struct t_hook *hook_signal (struct t_weechat_plugin *plugin,
const char *signal,
t_hook_callback_signal *callback,
void *callback_data);
extern void hook_signal_send (const char *signal, const char *type_data,
void *signal_data);
extern struct t_hook *hook_config (struct t_weechat_plugin *, const char *option,
t_hook_callback_config *callback,
void *callback_data);
extern void hook_config_exec (const char *option, const char *value);
extern struct t_hook *hook_completion (struct t_weechat_plugin *plugin,
const char *completion_item,
t_hook_callback_completion *callback,
void *callback_data);
extern void hook_completion_list_add (struct t_gui_completion *completion,
const char *word, int nick_completion,
const char *where);
extern void hook_completion_exec (struct t_weechat_plugin *plugin,
const char *completion_item,
struct t_gui_buffer *buffer,
struct t_gui_completion *completion);
extern struct t_hook *hook_modifier (struct t_weechat_plugin *plugin,
const char *modifier,
t_hook_callback_modifier *callback,
void *callback_data);
extern char *hook_modifier_exec (struct t_weechat_plugin *plugin,
const char *modifier,
const char *modifier_data,
const char *string);
extern struct t_hook *hook_info (struct t_weechat_plugin *plugin,
const char *info_name,
const char *description,
t_hook_callback_info *callback,
void *callback_data);
extern char *hook_info_get (struct t_weechat_plugin *plugin,
const char *info_name,
const char *arguments);
extern struct t_hook *hook_infolist (struct t_weechat_plugin *plugin,
const char *infolist_name,
const char *description,
t_hook_callback_infolist *callback,
void *callback_data);
extern struct t_infolist *hook_infolist_get (struct t_weechat_plugin *plugin,
const char *infolist_name,
void *pointer,
const char *arguments);
extern void unhook (struct t_hook *hook);
extern void unhook_all_plugin (struct t_weechat_plugin *plugin);
extern void unhook_all ();
extern int hook_add_to_infolist (struct t_infolist *infolist,
const char *type);
extern void hook_print_log ();
#endif /* wee-hook.h */
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