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/*
perl-sources.c : irssi
Copyright (C) 1999-2001 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
*/
#define NEED_PERL_H
#include "module.h"
#include "signals.h"
#include "perl-core.h"
#include "perl-common.h"
typedef struct {
PERL_SCRIPT_REC *script;
int tag;
int refcount;
int once; /* run only once */
SV *func;
SV *data;
} PERL_SOURCE_REC;
static GSList *perl_sources;
static void perl_source_ref(PERL_SOURCE_REC *rec)
{
rec->refcount++;
}
static int perl_source_unref(PERL_SOURCE_REC *rec)
{
if (--rec->refcount != 0)
return TRUE;
SvREFCNT_dec(rec->data);
SvREFCNT_dec(rec->func);
g_free(rec);
return FALSE;
}
static void perl_source_destroy(PERL_SOURCE_REC *rec)
{
perl_sources = g_slist_remove(perl_sources, rec);
g_source_remove(rec->tag);
rec->tag = -1;
perl_source_unref(rec);
}
static int perl_source_event(PERL_SOURCE_REC *rec)
{
dSP;
int retcount;
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_mortalcopy(rec->data));
PUTBACK;
perl_source_ref(rec);
retcount = perl_call_sv(rec->func, G_EVAL|G_SCALAR);
SPAGAIN;
if (SvTRUE(ERRSV)) {
char *error = g_strdup(SvPV(ERRSV, PL_na));
signal_emit("script error", 2, rec->script, error);
g_free(error);
}
if (perl_source_unref(rec) && rec->once)
perl_source_destroy(rec);
PUTBACK;
FREETMPS;
LEAVE;
return 1;
}
int perl_timeout_add(int msecs, SV *func, SV *data, int once)
{
PERL_SCRIPT_REC *script;
PERL_SOURCE_REC *rec;
const char *pkg;
pkg = perl_get_package();
script = perl_script_find_package(pkg);
g_return_val_if_fail(script != NULL, -1);
rec = g_new0(PERL_SOURCE_REC, 1);
perl_source_ref(rec);
rec->once = once;
rec->script = script;
rec->func = perl_func_sv_inc(func, pkg);
rec->data = SvREFCNT_inc(data);
rec->tag = g_timeout_add(msecs, (GSourceFunc) perl_source_event, rec);
perl_sources = g_slist_append(perl_sources, rec);
return rec->tag;
}
int perl_input_add(int source, int condition, SV *func, SV *data, int once)
{
PERL_SCRIPT_REC *script;
PERL_SOURCE_REC *rec;
GIOChannel *channel;
const char *pkg;
pkg = perl_get_package();
script = perl_script_find_package(pkg);
g_return_val_if_fail(script != NULL, -1);
rec = g_new0(PERL_SOURCE_REC, 1);
perl_source_ref(rec);
rec->once = once;
rec->script =script;
rec->func = perl_func_sv_inc(func, pkg);
rec->data = SvREFCNT_inc(data);
channel = g_io_channel_unix_new(source);
rec->tag = g_input_add(channel, condition,
(GInputFunction) perl_source_event, rec);
g_io_channel_unref(channel);
perl_sources = g_slist_append(perl_sources, rec);
return rec->tag;
}
void perl_source_remove(int tag)
{
GSList *tmp;
for (tmp = perl_sources; tmp != NULL; tmp = tmp->next) {
PERL_SOURCE_REC *rec = tmp->data;
if (rec->tag == tag) {
perl_source_destroy(rec);
break;
}
}
}
void perl_source_remove_script(PERL_SCRIPT_REC *script)
{
GSList *tmp, *next;
for (tmp = perl_sources; tmp != NULL; tmp = next) {
PERL_SOURCE_REC *rec = tmp->data;
next = tmp->next;
if (rec->script == script)
perl_source_destroy(rec);
}
}
void perl_sources_start(void)
{
perl_sources = NULL;
}
void perl_sources_stop(void)
{
/* timeouts and input waits */
while (perl_sources != NULL)
perl_source_destroy(perl_sources->data);
}
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