emqx/apps/emqx_sn/intergration_test/client/case7_double_connect.c

144 lines
3.8 KiB
C

/*******************************************************************************
* Copyright (c) 2014 IBM Corp.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Ian Craggs - initial API and implementation and/or initial documentation
* Sergio R. Caprile - clarifications and/or documentation extension
*
* Description:
* Short topic name used to avoid registration process
*******************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
#include "MQTTSNPacket.h"
#include "transport.h"
#include "int_test_result.h"
#define TLOG(fmt, ...) tlog("case7: ", fmt, ## __VA_ARGS__)
int connect(MQTTSNPacket_connectData *options, char *host, int port, unsigned char *buf, int buflen)
{
int len = 0, rc = 0;
int connack_rc = -1;
TLOG("Sending to hostname %s port %d\n", host, port);
len = MQTTSNSerialize_connect(buf, buflen, options);
if((rc = transport_sendPacketBuffer(host, port, buf, len)) != 0)
{
TLOG("Send connect failed, rc:%d\n", rc);
return rc;
}
/* wait for connack */
if (MQTTSNPacket_read(buf, buflen, transport_getdata) == MQTTSN_CONNACK)
{
if (MQTTSNDeserialize_connack(&connack_rc, buf, buflen) != 1 || connack_rc != 0)
{
TLOG("Unable to connect, return code %d\n", connack_rc);
}
else
TLOG("connected rc %d\n", connack_rc);
}
return connack_rc;
}
int main(int argc, char** argv)
{
int rc = 0;
int mysock;
unsigned char buf[200];
int buflen = sizeof(buf);
unsigned char payload[16];
int payloadlen = 0;
int len = 0;
int qos = 0;
int retained = 0;
short packetid = 0;
char ascii = 0;
// char *topicname = "a long topic name";
char *host = "127.0.0.1";
int port = 1884;
int i = 0;
MQTTSNString msstr = {0};
MQTTSNPacket_connectData options = MQTTSNPacket_connectData_initializer;
mysock = transport_open();
if(mysock < 0)
return mysock;
if (argc > 1)
host = argv[1];
if (argc > 2)
port = atoi(argv[2]);
options.clientID.cstring = "testclientid_case7";
options.duration = 100;
if((rc = connect(&options, host, port, buf, buflen) != 0))
goto exit;
sleep(2);
// a new client-id on the same udp port will be refused by emq-sn
options.clientID.cstring = "testclientid_case7_new";
TLOG("will send connect with new clientId:%s\n", options.clientID.cstring);
if((rc = connect(&options, host, port, buf, buflen)) == 0)
goto exit;
sleep(2);
// go back to the old client-id and the connection will be successful
options.clientID.cstring = "testclientid_case7";
TLOG("will send connect with old clientId:%s\n", options.clientID.cstring);
if((rc = connect(&options, host, port, buf, buflen)) != 0)
goto exit;
sleep(2);
options.duration = 90;
TLOG("will send connect with new duration:%d\n", options.duration);
if((rc = connect(&options, host, port, buf, buflen)) == 0)
goto exit;
sleep(2);
options.duration = 100;
TLOG("will send connect with old duration:%d\n", options.duration);
if((rc = connect(&options, host, port, buf, buflen)) != 0)
goto exit;
mark_result(argv[0], RESULT_PASS);
transport_close();
return 0;
exit:
mark_result(argv[0], RESULT_FAIL);
transport_close();
return 0;
}