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/**
* $Id$
*
* Copyright (C) 2011 Flowroute LLC (flowroute.com)
*
* This file is part of Kamailio, a free SIP server.
*
* This file 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 file 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 <arpa/inet.h>
#include <sys/types.h>
#include <errno.h>
#include "../../mod_fix.h"
#include "../../trim.h"
#include "../../sr_module.h"
#include "../tm/tm_load.h"
#include "jsonrpc_request.h"
#include "jsonrpc_io.h"
#include "jsonrpc.h"
MODULE_VERSION
static int mod_init(void);
static int child_init(int);
static int fixup_request(void** param, int param_no);
static int fixup_notification(void** param, int param_no);
static int fixup_request_free(void** param, int param_no);
int fixup_pvar_shm(void** param, int param_no);
char *servers_param;
int pipe_fds[2] = {-1,-1};
struct tm_binds tmb;
/*
* Exported Functions
*/
static cmd_export_t cmds[]={
{"jsonrpc_request", (cmd_function)jsonrpc_request, 5, fixup_request, fixup_request_free, ANY_ROUTE},
{"jsonrpc_notification", (cmd_function)jsonrpc_notification, 2, fixup_notification, 0, ANY_ROUTE},
{0, 0, 0, 0, 0, 0}
};
/*
* Script Parameters
*/
static param_export_t mod_params[]={
{"servers", PARAM_STRING, &servers_param},
{ 0,0,0 }
};
/*
* Exports
*/
struct module_exports exports = {
"jsonrpc", /* module name */
DEFAULT_DLFLAGS, /* dlopen flags */
cmds, /* Exported functions */
mod_params, /* Exported parameters */
0, /* exported statistics */
0, /* exported MI functions */
0, /* exported pseudo-variables */
0, /* extra processes */
mod_init, /* module initialization function */
0, /* response function*/
0, /* destroy function */
child_init /* per-child init function */
};
static int mod_init(void) {
load_tm_f load_tm;
/* load the tm functions */
if ( !(load_tm=(load_tm_f)find_export("load_tm", NO_SCRIPT, 0)))
{
LOG(L_ERR, "ERROR:jsonrpc:mod_init: cannot import load_tm\n");
return -1;
}
/* let the auto-loading function load all TM stuff */
if (load_tm( &tmb )==-1)
return -1;
if (servers_param == NULL) {
LM_ERR("servers parameter missing.\n");
return -1;
}
register_procs(1);
if (pipe(pipe_fds) < 0) {
LM_ERR("pipe() failed\n");
return -1;
}
return(0);
}
static int child_init(int rank)
{
int pid;
if (rank>PROC_MAIN)
cmd_pipe = pipe_fds[1];
if (rank!=PROC_MAIN)
return 0;
pid=fork_process(PROC_NOCHLDINIT, "jsonrpc io handler", 1);
if (pid<0)
return -1; /* error */
if(pid==0){
/* child */
close(pipe_fds[1]);
return jsonrpc_io_child_process(pipe_fds[0], servers_param);
}
return 0;
}
/* Fixup Functions */
static int fixup_request(void** param, int param_no)
{
if (param_no <= 4) {
return fixup_spve_null(param, 1);
} else if (param_no == 5) {
return fixup_pvar_null(param, 1);
}
LM_ERR("jsonrpc_request takes exactly 5 parameters.\n");
return -1;
}
static int fixup_notification(void** param, int param_no)
{
if (param_no <= 2) {
return fixup_spve_null(param, 1);
}
LM_ERR("jsonrpc_notification takes exactly 2 parameters.\n");
return -1;
}
static int fixup_request_free(void** param, int param_no)
{
if (param_no <= 4) {
return 0;
} else if (param_no == 5) {
return fixup_free_pvar_null(param, 1);
}
LM_ERR("jsonrpc_request takes exactly 5 parameters.\n");
return -1;
}
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