update domo

This commit is contained in:
NADAL Jean-Baptiste
2019-11-14 15:15:31 +01:00
parent ab4a18f685
commit e5bd19f12d
14 changed files with 298 additions and 134 deletions

View File

@@ -1,123 +0,0 @@
/*!
* domi-iot.cpp
*
* Copyright (c) 2015-2019, NADAL Jean-Baptiste. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*
* @Author: NADAL Jean-Baptiste
* @Date: 08/11/2019
*
*/
/*-------------------------------- INCLUDES ---------------------------------*/
#include <string.h>
#include <adapters/libevent.h>
#include <nats.h>
static void onMsg(natsConnection *nc, natsSubscription *sub, natsMsg *msg, void *closure)
{
printf("Received msg: %s - %.*s\n",
natsMsg_GetSubject(msg),
natsMsg_GetDataLength(msg),
natsMsg_GetData(msg));
// Need to destroy the message!
natsMsg_Destroy(msg);
}
/*! ----------------------------------------------------------------------------
* @fn main
*
* @brief Main function of domo-iot daemon.
*/
int main(int argc, char *argv[])
{
// natsConnection *conn = NULL;
// natsOptions *opts = NULL;
// natsSubscription *sub = NULL;
// natsStatus s;
// struct event_base *evLoop = NULL;
// nats_Open(-1);
printf("Listening on subject 'foo'\n");
// One time initialization of things that we need.
//natsLibevent_Init();
// Create a loop.
// evLoop = event_base_new();
// if (evLoop == NULL)
// s = NATS_ERR;
// if (natsOptions_Create(&opts) != NATS_OK)
// s = NATS_NO_MEMORY;
s = natsOptions_UseGlobalMessageDelivery(opts, true);
// Indicate which loop and callbacks to use once connected.
if (s == NATS_OK)
s = natsOptions_SetEventLoop(opts, (void *)evLoop,
natsLibevent_Attach,
natsLibevent_Read,
natsLibevent_Write,
natsLibevent_Detach);
s = natsOptions_SetURL(opts, "nats.nadal-fr.com");
if (s == NATS_OK)
s = natsConnection_Connect(&conn, opts);
if (s == NATS_OK)
s = natsConnection_Subscribe(&sub, conn, "foo", onMsg, NULL);
// For maximum performance, set no limit on the number of pending messages.
if (s == NATS_OK)
s = natsSubscription_SetPendingLimits(sub, -1, -1);
// Run the event loop.
// This call will return when the connection is closed (either after
// receiving all messages, or disconnected and unable to reconnect).
if (s == NATS_OK)
{
event_base_dispatch(evLoop);
}
// If there was an error, print a stack trace and exit
if (s != NATS_OK)
{
nats_PrintLastErrorStack(stderr);
exit(2);
}
// Anything that is created need to be destroyed
natsSubscription_Destroy(sub);
natsConnection_Destroy(conn);
natsOptions_Destroy(opts);
if (evLoop != NULL)
event_base_free(evLoop);
// To silence reports of memory still in used with valgrind
nats_Close();
libevent_global_shutdown();
printf("done\n");
return 0;
}