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/*
* $Id$
*
* Perl module for Kamailio
*
* Copyright (C) 2006 Collax GmbH
* (Bastian Friedrich <bastian.friedrich@collax.com>)
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio 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
*
* Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <string.h>
#include <stdio.h>
#include "../../mem/mem.h"
#include "../../data_lump.h"
#include "../../parser/parse_param.h"
#include "../../parser/msg_parser.h"
#include "../../dprint.h"
#include "../../action.h"
#include "../../config.h"
#include "../../parser/parse_uri.h"
#include "perlfunc.h"
#include "app_perl_mod.h"
/*
* Check for existence of a function.
*/
int perl_checkfnc(char *fnc) {
if (get_cv(fnc, 0)) {
return 1;
} else {
return 0;
}
}
/*
* Run function without paramters
*/
int perl_exec_simple(char* fnc, char* args[], int flags) {
app_perl_reset_interpreter();
if (perl_checkfnc(fnc)) {
LM_DBG("running perl function \"%s\"", fnc);
call_argv(fnc, flags, args);
} else {
LM_ERR("unknown function '%s' called.\n", fnc);
return -1;
}
return 1;
}
int perl_exec_simple1(struct sip_msg* _msg, char* fnc, char* str2) {
char *args[] = { NULL };
return perl_exec_simple(fnc, args, G_DISCARD | G_NOARGS | G_EVAL);
}
int perl_exec_simple2(struct sip_msg* _msg, char* fnc, char* param) {
char *args[] = { param, NULL };
return perl_exec_simple(fnc, args, G_DISCARD | G_EVAL);
}
/*
* Run function, with current SIP message as a parameter
*/
int perl_exec1(struct sip_msg* _msg, char* fnc, char *foobar) {
return perl_exec2(_msg, fnc, NULL);
}
int perl_exec2(struct sip_msg* _msg, char* fnc, char* mystr) {
int retval;
SV *m;
str reason;
app_perl_reset_interpreter();
dSP;
if (!perl_checkfnc(fnc)) {
LM_ERR("unknown perl function called.\n");
reason.s = "Internal error";
reason.len = sizeof("Internal error")-1;
if (slb.freply(_msg, 500, &reason) == -1)
{
LM_ERR("failed to send reply\n");
}
return -1;
}
switch ((_msg->first_line).type) {
case SIP_REQUEST:
if (parse_sip_msg_uri(_msg) < 0) {
LM_ERR("failed to parse Request-URI\n");
reason.s = "Bad Request-URI";
reason.len = sizeof("Bad Request-URI")-1;
if (slb.freply(_msg, 400, &reason) == -1) {
LM_ERR("failed to send reply\n");
}
return -1;
}
break;
case SIP_REPLY:
break;
default:
LM_ERR("invalid firstline");
return -1;
}
ENTER; /* everything created after here */
SAVETMPS; /* ...is a temporary variable. */
PUSHMARK(SP); /* remember the stack pointer */
m = sv_newmortal();
sv_setref_pv(m, "Kamailio::Message", (void *)_msg);
SvREADONLY_on(SvRV(m));
XPUSHs(m); /* Our reference to the stack... */
if (mystr)
XPUSHs(sv_2mortal(newSVpv(mystr, strlen(mystr))));
/* Our string to the stack... */
PUTBACK; /* make local stack pointer global */
call_pv(fnc, G_EVAL|G_SCALAR); /* call the function */
SPAGAIN; /* refresh stack pointer */
/* pop the return value from stack */
retval = POPi;
PUTBACK;
FREETMPS; /* free that return value */
LEAVE; /* ...and the XPUSHed "mortal" args.*/
return retval;
}
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