int st_rpcAsync(elcdRpcCommand_t cmd, cJSON* params, rpcCallback_t callback, void *pArg)
{
int res = -1;
int i;
for( i = 0; i<RPC_POOL_SIZE; i++ )
if( pool.waiting[i].id == 0 )
break;
if( i >= RPC_POOL_SIZE )
{
eprintf("%s: RPC pool is full\n", __FUNCTION__);
return -1;
}
unsigned int id = get_id();
char *msg = rpc_request( rpc_getCmdName(cmd), id, params );
if( !msg )
{
eprintf("%s: failed to create RPC message\n", __FUNCTION__);
return -1;
}
pool.waiting[i].id = id;
pool.waiting[i].callback = callback;
pool.waiting[i].pArg = pArg;
#ifdef DEBUG
pool.waiting[i].cmd = cmd;
#endif
#ifdef RPC_POOL_TRACE
pool.waiting[i].msg = msg;
dprintf("%s[%2d]: -> %s\n", __FUNCTION__, i, msg);
#endif
RPC_TRACE("st: -> %s\n", msg);
#ifdef RPC_DUMP
write(st_rpc_fd, msg, strlen(msg));
write(st_rpc_fd, "\n", 1);
#endif
if( client_write( &pool.socket, msg, strlen(msg)+1 ) > 0 )
{
res = i;
st_poolPrint();
}
else
{
eprintf("%s: failed to write %s\n", __FUNCTION__, rpc_getCmdName(cmd));
st_poolFreeAt(i);
}
#ifndef RPC_POOL_TRACE
free(msg);
#endif
return res;
}
/**
* main processing of the request
*
*/
void TrexRpcServerReqRes::process_request_raw(const std::string &request, std::string &response) {
std::vector<TrexJsonRpcV2ParsedObject *> commands;
Json::FastWriter writer;
Json::Value response_json;
/* first parse the request using JSON RPC V2 parser */
TrexJsonRpcV2Parser rpc_request(request);
rpc_request.parse(commands);
int index = 0;
/* for every command parsed - launch it */
for (auto command : commands) {
Json::Value single_response;
/* the command itself should be protected */
std::unique_lock<std::mutex> lock(*m_lock);
command->execute(single_response);
lock.unlock();
delete command;
response_json[index++] = single_response;
/* batch is like getting all the messages one by one - it should not be considered as stuck thread */
/* need to think if this is a good thing */
//m_monitor.tickle();
}
/* write the JSON to string and sever on ZMQ */
if (response.size() == 1) {
response = writer.write(response_json[0]);
} else {
response = writer.write(response_json);
}
verbose_json("Server Replied: ", response);
}
