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/*
fe-netjoin.c : irssi
Copyright (C) 2000 Timo Sirainen
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "module-formats.h"
#include "signals.h"
#include "levels.h"
#include "misc.h"
#include "settings.h"
#include "irc.h"
#include "irc-servers.h"
#include "modes.h"
#include "ignore.h"
#include "netsplit.h"
#define NETJOIN_WAIT_TIME 2 /* how many seconds to wait for the netsplitted JOIN messages to stop */
#define NETJOIN_MAX_WAIT 30 /* how many seconds to wait for nick to join to the rest of the channels she was before the netsplit */
typedef struct {
char *nick;
GSList *old_channels;
GSList *now_channels;
} NETJOIN_REC;
typedef struct {
IRC_SERVER_REC *server;
time_t last_netjoin;
GSList *netjoins;
} NETJOIN_SERVER_REC;
typedef struct {
int count;
GString *nicks;
} TEMP_PRINT_REC;
static int join_tag, output_hidden;
static int netjoin_max_nicks, hide_netsplit_quits;
static GSList *joinservers;
static void sig_stop(void)
{
signal_stop();
}
static void remove_hide_output(void)
{
if (output_hidden) {
output_hidden = FALSE;
signal_remove("print text stripped", (SIGNAL_FUNC) sig_stop);
signal_remove("print text", (SIGNAL_FUNC) sig_stop);
}
}
static void hide_output(void)
{
if (!output_hidden) {
output_hidden = TRUE;
signal_add_first("print text stripped", (SIGNAL_FUNC) sig_stop);
signal_add_first("print text", (SIGNAL_FUNC) sig_stop);
}
}
static NETJOIN_SERVER_REC *netjoin_find_server(IRC_SERVER_REC *server)
{
GSList *tmp;
g_return_val_if_fail(server != NULL, NULL);
for (tmp = joinservers; tmp != NULL; tmp = tmp->next) {
NETJOIN_SERVER_REC *rec = tmp->data;
if (rec->server == server)
return rec;
}
return NULL;
}
static NETJOIN_REC *netjoin_add(IRC_SERVER_REC *server, const char *nick, GSList *channels)
{
NETJOIN_REC *rec;
NETJOIN_SERVER_REC *srec;
g_return_val_if_fail(server != NULL, NULL);
g_return_val_if_fail(nick != NULL, NULL);
g_return_val_if_fail(channels != NULL, NULL);
rec = g_new0(NETJOIN_REC, 1);
rec->nick = g_strdup(nick);
while (channels != NULL) {
NETSPLIT_CHAN_REC *channel = channels->data;
rec->old_channels = g_slist_append(rec->old_channels, g_strdup(channel->name));
channels = channels->next;
}
srec = netjoin_find_server(server);
if (srec == NULL) {
srec = g_new0(NETJOIN_SERVER_REC, 1);
srec->server = server;
joinservers = g_slist_append(joinservers, srec);
}
srec->last_netjoin = time(NULL);
srec->netjoins = g_slist_append(srec->netjoins, rec);
return rec;
}
static NETJOIN_REC *netjoin_find(IRC_SERVER_REC *server, const char *nick)
{
NETJOIN_SERVER_REC *srec;
GSList *tmp;
g_return_val_if_fail(server != NULL, NULL);
g_return_val_if_fail(nick != NULL, NULL);
srec = netjoin_find_server(server);
if (srec == NULL) return NULL;
for (tmp = srec->netjoins; tmp != NULL; tmp = tmp->next) {
NETJOIN_REC *rec = tmp->data;
if (g_strcasecmp(rec->nick, nick) == 0)
return rec;
}
return NULL;
}
static void netjoin_remove(NETJOIN_SERVER_REC *server, NETJOIN_REC *rec)
{
server->netjoins = g_slist_remove(server->netjoins, rec);
g_slist_foreach(rec->old_channels, (GFunc) g_free, NULL);
g_slist_foreach(rec->now_channels, (GFunc) g_free, NULL);
g_slist_free(rec->old_channels);
g_slist_free(rec->now_channels);
g_free(rec->nick);
g_free(rec);
}
static void netjoin_server_remove(NETJOIN_SERVER_REC *server)
{
joinservers = g_slist_remove(joinservers, server);
while (server->netjoins != NULL)
netjoin_remove(server, server->netjoins->data);
g_free(server);
}
static void print_channel_netjoins(char *channel, TEMP_PRINT_REC *rec, NETJOIN_SERVER_REC *server)
{
if (rec->nicks->len > 0)
g_string_truncate(rec->nicks, rec->nicks->len-2);
printformat(server->server, channel, MSGLEVEL_JOINS,
rec->count > netjoin_max_nicks ? IRCTXT_NETSPLIT_JOIN_MORE : IRCTXT_NETSPLIT_JOIN,
rec->nicks->str, rec->count-netjoin_max_nicks);
g_string_free(rec->nicks, TRUE);
g_free(rec);
g_free(channel);
}
static void print_netjoins(NETJOIN_SERVER_REC *server)
{
TEMP_PRINT_REC *temp;
GHashTable *channels;
GSList *tmp, *next, *old;
g_return_if_fail(server != NULL);
/* save nicks to string, clear now_channels and remove the same
channels from old_channels list */
channels = g_hash_table_new((GHashFunc) g_istr_hash, (GCompareFunc) g_istr_equal);
for (tmp = server->netjoins; tmp != NULL; tmp = next) {
NETJOIN_REC *rec = tmp->data;
next = tmp->next;
while (rec->now_channels != NULL) {
char *channel = rec->now_channels->data;
char *realchannel = channel + (*channel == '@');
temp = g_hash_table_lookup(channels, realchannel);
if (temp == NULL) {
temp = g_new0(TEMP_PRINT_REC, 1);
temp->nicks = g_string_new(NULL);
g_hash_table_insert(channels, g_strdup(realchannel), temp);
}
temp->count++;
if (temp->count <= netjoin_max_nicks) {
if (*channel == '@')
g_string_append_c(temp->nicks, '@');
g_string_sprintfa(temp->nicks, "%s, ", rec->nick);
}
/* remove the channel from old_channels too */
old = gslist_find_icase_string(rec->old_channels, realchannel);
if (old != NULL) {
g_free(old->data);
rec->old_channels = g_slist_remove(rec->old_channels, old->data);
}
g_free(channel);
rec->now_channels = g_slist_remove(rec->now_channels, channel);
}
if (rec->old_channels == NULL)
netjoin_remove(server, rec);
}
g_hash_table_foreach(channels, (GHFunc) print_channel_netjoins, server);
g_hash_table_destroy(channels);
if (server->netjoins == NULL)
netjoin_server_remove(server);
}
static int sig_check_netjoins(void)
{
GSList *tmp, *next;
int diff;
/* just to make sure that text hiding wasn't left on accidentally */
remove_hide_output();
for (tmp = joinservers; tmp != NULL; tmp = next) {
NETJOIN_SERVER_REC *server = tmp->data;
next = tmp->next;
diff = time(NULL)-server->last_netjoin;
if (diff <= NETJOIN_WAIT_TIME) {
/* wait for more JOINs */
continue;
}
if (server->netjoins != NULL)
print_netjoins(server);
else if (diff >= NETJOIN_MAX_WAIT) {
/* waited long enough, remove the netjoin */
netjoin_server_remove(server);
}
}
if (joinservers == NULL) {
g_source_remove(join_tag);
join_tag = -1;
}
return 1;
}
static void event_quit(const char *data)
{
if (quitmsg_is_split(data))
hide_output();
}
static void event_join(const char *data, IRC_SERVER_REC *server,
const char *nick, const char *address)
{
NETSPLIT_REC *split;
NETJOIN_REC *netjoin;
char *params, *channel, *tmp;
g_return_if_fail(data != NULL);
/* just to make sure that text hiding wasn't left on accidentally */
remove_hide_output();
split = netsplit_find(server, nick, address);
netjoin = netjoin_find(server, nick);
if (split == NULL && netjoin == NULL)
return;
params = event_get_params(data, 1, &channel);
tmp = strchr(channel, 7); /* ^G does something weird.. */
if (tmp != NULL) *tmp = '\0';
if (!ignore_check(server, nick, address, channel, NULL, MSGLEVEL_JOINS)) {
if (join_tag == -1)
join_tag = g_timeout_add(1000, (GSourceFunc) sig_check_netjoins, NULL);
if (netjoin == NULL)
netjoin = netjoin_add(server, nick, split->channels);
netjoin->now_channels = g_slist_append(netjoin->now_channels, g_strdup(channel));
hide_output();
}
g_free(params);
}
static int netjoin_set_operator(NETJOIN_REC *rec, const char *channel, int on)
{
GSList *pos;
pos = gslist_find_icase_string(rec->now_channels, channel);
if (pos == NULL)
return FALSE;
g_free(pos->data);
pos->data = !on ? g_strdup(channel) :
g_strconcat("@", channel, NULL);
return TRUE;
}
static void event_mode(const char *data, IRC_SERVER_REC *server,
const char *sender, const char *addr)
{
NETJOIN_REC *rec;
char *params, *channel, *mode, *nicks;
char **nicklist, **nick, type;
int show;
g_return_if_fail(data != NULL);
params = event_get_params(data, 3 | PARAM_FLAG_GETREST, &channel, &mode, &nicks);
if (!ischannel(*channel) || addr != NULL) {
g_free(params);
return;
}
/* parse server mode changes - hide operator status changes and
show them in the netjoin message instead as @ before the nick */
nick = nicklist = g_strsplit(nicks, " ", -1);
type = '+'; show = FALSE;
for (; *mode != '\0'; mode++) {
if (*mode == '+' || *mode == '-') {
type = *mode;
continue;
}
if (*mode == 'o' && *nick != NULL) {
/* give/remove ops */
rec = netjoin_find(server, *nick);
if (rec != NULL && !netjoin_set_operator(rec, channel, type == '+'))
show = TRUE;
nick++;
} else {
if (HAS_MODE_ARG(type, *mode) && *nick != NULL)
nick++;
show = TRUE;
}
}
if (!show) hide_output();
g_strfreev(nicklist);
g_free(params);
}
static void read_settings(void)
{
int old_hide;
old_hide = hide_netsplit_quits;
hide_netsplit_quits = settings_get_bool("hide_netsplit_quits");
netjoin_max_nicks = settings_get_int("netjoin_max_nicks");
if (old_hide && !hide_netsplit_quits) {
signal_remove("event quit", (SIGNAL_FUNC) event_quit);
signal_remove("event join", (SIGNAL_FUNC) event_join);
signal_remove("event mode", (SIGNAL_FUNC) event_mode);
signal_remove("event quit", (SIGNAL_FUNC) remove_hide_output);
signal_remove("event join", (SIGNAL_FUNC) remove_hide_output);
signal_remove("event mode", (SIGNAL_FUNC) remove_hide_output);
} else if (!old_hide && hide_netsplit_quits) {
signal_add("event quit", (SIGNAL_FUNC) event_quit);
signal_add("event join", (SIGNAL_FUNC) event_join);
signal_add("event mode", (SIGNAL_FUNC) event_mode);
signal_add_last("event quit", (SIGNAL_FUNC) remove_hide_output);
signal_add_last("event join", (SIGNAL_FUNC) remove_hide_output);
signal_add_last("event mode", (SIGNAL_FUNC) remove_hide_output);
}
}
void fe_netjoin_init(void)
{
settings_add_bool("misc", "hide_netsplit_quits", TRUE);
settings_add_int("misc", "netjoin_max_nicks", 10);
join_tag = -1;
output_hidden = FALSE;
read_settings();
signal_add("setup changed", (SIGNAL_FUNC) read_settings);
}
void fe_netjoin_deinit(void)
{
while (joinservers != NULL)
netjoin_server_remove(joinservers->data);
if (join_tag != -1) g_source_remove(join_tag);
signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
}
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