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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 "../../mod_fix.h"
#include "../../pvar.h"
#include "../../lvalue.h"
#include "../tm/tm_load.h"
#include "jsonrpc_request.h"
#include "jsonrpc_io.h"
struct tm_binds tmb;
static char *shm_strdup(str *src);
int memory_error() {
LM_ERR("Out of memory!");
return -1;
}
int jsonrpc_request(struct sip_msg* _m, char* _method, char* _params, char* _cb_route, char* _err_route, char* _cb_pv)
{
str method;
str params;
str cb_route;
str err_route;
if (fixup_get_svalue(_m, (gparam_p)_method, &method) != 0) {
LM_ERR("cannot get method value\n");
return -1;
}
if (fixup_get_svalue(_m, (gparam_p)_params, ¶ms) != 0) {
LM_ERR("cannot get params value\n");
return -1;
}
if (fixup_get_svalue(_m, (gparam_p)_cb_route, &cb_route) != 0) {
LM_ERR("cannot get cb_route value\n");
return -1;
}
if (fixup_get_svalue(_m, (gparam_p)_err_route, &err_route) != 0) {
LM_ERR("cannot get err_route value\n");
return -1;
}
tm_cell_t *t = 0;
t = tmb.t_gett();
if (t==NULL || t==T_UNDEFINED)
{
if(tmb.t_newtran(_m)<0)
{
LM_ERR("cannot create the transaction\n");
return -1;
}
t = tmb.t_gett();
if (t==NULL || t==T_UNDEFINED)
{
LM_ERR("cannot look up the transaction\n");
return -1;
}
}
unsigned int hash_index;
unsigned int label;
if (tmb.t_suspend(_m, &hash_index, &label) < 0) {
LM_ERR("t_suspend() failed\n");
return -1;
}
struct jsonrpc_pipe_cmd *cmd;
if (!(cmd = (struct jsonrpc_pipe_cmd *) shm_malloc(sizeof(struct jsonrpc_pipe_cmd))))
return memory_error();
memset(cmd, 0, sizeof(struct jsonrpc_pipe_cmd));
pv_spec_t *cb_pv = (pv_spec_t*)shm_malloc(sizeof(pv_spec_t));
if (!cb_pv)
return memory_error();
cb_pv = memcpy(cb_pv, (pv_spec_t *)_cb_pv, sizeof(pv_spec_t));
cmd->method = shm_strdup(&method);
cmd->params = shm_strdup(¶ms);
cmd->cb_route = shm_strdup(&cb_route);
cmd->err_route = shm_strdup(&err_route);
cmd->cb_pv = cb_pv;
cmd->msg = _m;
cmd->t_hash = hash_index;
cmd->t_label = label;
if (write(cmd_pipe, &cmd, sizeof(cmd)) != sizeof(cmd)) {
LM_ERR("failed to write to io pipe: %s\n", strerror(errno));
return -1;
}
return 0;
}
int jsonrpc_notification(struct sip_msg* _m, char* _method, char* _params)
{
str method;
str params;
if (fixup_get_svalue(_m, (gparam_p)_method, &method) != 0) {
LM_ERR("cannot get method value\n");
return -1;
}
if (fixup_get_svalue(_m, (gparam_p)_params, ¶ms) != 0) {
LM_ERR("cannot get params value\n");
return -1;
}
struct jsonrpc_pipe_cmd *cmd;
if (!(cmd = (struct jsonrpc_pipe_cmd *) shm_malloc(sizeof(struct jsonrpc_pipe_cmd))))
return memory_error();
memset(cmd, 0, sizeof(struct jsonrpc_pipe_cmd));
cmd->method = shm_strdup(&method);
cmd->params = shm_strdup(¶ms);
cmd->notify_only = 1;
if (write(cmd_pipe, &cmd, sizeof(cmd)) != sizeof(cmd)) {
LM_ERR("failed to write to io pipe: %s\n", strerror(errno));
return -1;
}
return 1;
}
static char *shm_strdup(str *src)
{
char *res;
if (!src || !src->s)
return NULL;
if (!(res = (char *) shm_malloc(src->len + 1)))
return NULL;
strncpy(res, src->s, src->len);
res[src->len] = 0;
return res;
}
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