mirror of https://github.com/eclipse/paho.mqtt.c
Start of two new samples
This commit is contained in:
Ian Craggs
parent
e91516b94d
commit
c4a474b237
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@ -0,0 +1,279 @@
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/*******************************************************************************
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* Copyright (c) 2012, 2013 IBM Corp.
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* and Eclipse Distribution License v1.0 which accompany this distribution.
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*
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* The Eclipse Public License is available at
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* http://www.eclipse.org/legal/epl-v10.html
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* and the Eclipse Distribution License is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* Contributors:
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* Ian Craggs - initial contribution
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*******************************************************************************/
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/*
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stdin publisher
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compulsory parameters:
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--topic topic to publish on
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defaulted parameters:
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--host localhost
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--port 1883
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--qos 0
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--delimiters \n
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--clientid stdin_publisher
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--maxdatalen 100
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--userid none
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--password none
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*/
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#include "MQTTClient.h"
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#include "MQTTClientPersistence.h"
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#include <stdio.h>
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#include <signal.h>
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#include <memory.h>
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#if defined(WIN32)
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#include <Windows.h>
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#define sleep Sleep
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#else
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#include <sys/time.h>
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#include <stdlib.h>
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#endif
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volatile int toStop = 0;
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void usage()
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{
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printf("MQTT stdin publisher\n");
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printf("Usage: stdinpub topicname <options>, where options are:\n");
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printf(" --host <hostname> (default is localhost)\n");
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printf(" --port <port> (default is 1883)\n");
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printf(" --qos <qos> (default is 0)\n");
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printf(" --retained (default is off)\n");
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printf(" --delimiter <delim> (default is \\n)");
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printf(" --clientid <clientid> (default is hostname+timestamp)");
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printf(" --maxdatalen 100\n");
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printf(" --username none\n");
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printf(" --password none\n");
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exit(-1);
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}
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void myconnect(MQTTClient* client, MQTTClient_connectOptions* opts)
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{
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printf("Connecting\n");
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if (MQTTClient_connect(*client, opts) != 0)
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{
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printf("Failed to connect\n");
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exit(-1);
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}
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printf("Connected\n");
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}
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void cfinish(int sig)
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{
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signal(SIGINT, NULL);
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toStop = 1;
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}
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struct
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{
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char* clientid;
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char* delimiter;
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int maxdatalen;
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int qos;
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int retained;
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char* username;
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char* password;
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char* host;
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char* port;
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int verbose;
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} opts =
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{
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"publisher", "\n", 100, 0, 0, NULL, NULL, "localhost", "1883", 0
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};
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void getopts(int argc, char** argv);
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int messageArrived(void* context, char* topicName, int topicLen, MQTTClient_message* m)
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{
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/* not expecting any messages */
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return 1;
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}
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int main(int argc, char** argv)
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{
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MQTTClient client;
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MQTTClient_connectOptions conn_opts = MQTTClient_connectOptions_initializer;
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MQTTClient_SSLOptions ssl_opts = MQTTClient_SSLOptions_initializer;
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char* topic = NULL;
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char* buffer = NULL;
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int rc = 0;
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char url[100];
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if (argc < 2)
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usage();
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getopts(argc, argv);
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sprintf(url, "%s:%s", opts.host, opts.port);
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if (opts.verbose)
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printf("URL is %s\n", url);
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topic = argv[1];
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printf("Using topic %s\n", topic);
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rc = MQTTClient_create(&client, url, opts.clientid, MQTTCLIENT_PERSISTENCE_NONE, NULL);
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signal(SIGINT, cfinish);
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signal(SIGTERM, cfinish);
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rc = MQTTClient_setCallbacks(client, NULL, NULL, messageArrived, NULL);
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conn_opts.keepAliveInterval = 10;
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conn_opts.reliable = 0;
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conn_opts.cleansession = 1;
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conn_opts.username = opts.username;
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conn_opts.password = opts.password;
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ssl_opts.enableServerCertAuth = 0;
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conn_opts.ssl = &ssl_opts;
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myconnect(&client, &conn_opts);
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buffer = malloc(opts.maxdatalen);
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while (!toStop)
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{
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int data_len = 0;
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int delim_len = 0;
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delim_len = strlen(opts.delimiter);
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do
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{
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buffer[data_len++] = getchar();
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if (data_len > delim_len)
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{
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//printf("comparing %s %s\n", opts.delimiter, &buffer[data_len - delim_len]);
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if (strncmp(opts.delimiter, &buffer[data_len - delim_len], delim_len) == 0)
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break;
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}
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} while (data_len < opts.maxdatalen);
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if (opts.verbose)
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printf("Publishing data of length %d\n", data_len);
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rc = MQTTClient_publish(client, topic, data_len, buffer, opts.qos, opts.retained, NULL);
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if (rc != 0)
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{
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myconnect(&client, &conn_opts);
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rc = MQTTClient_publish(client, topic, data_len, buffer, opts.qos, opts.retained, NULL);
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}
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if (opts.qos > 0)
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MQTTClient_yield();
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}
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printf("Stopping\n");
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free(buffer);
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MQTTClient_disconnect(client, 0);
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MQTTClient_destroy(&client);
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return 0;
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}
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void getopts(int argc, char** argv)
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{
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int count = 2;
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while (count < argc)
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{
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if (strcmp(argv[count], "--retained") == 0)
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opts.retained = 1;
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if (strcmp(argv[count], "--verbose") == 0)
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opts.verbose = 1;
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else if (strcmp(argv[count], "--qos") == 0)
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{
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if (++count < argc)
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{
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if (strcmp(argv[count], "0") == 0)
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opts.qos = 0;
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else if (strcmp(argv[count], "1") == 0)
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opts.qos = 1;
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else if (strcmp(argv[count], "2") == 0)
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opts.qos = 2;
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else
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usage();
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}
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else
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usage();
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}
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else if (strcmp(argv[count], "--host") == 0)
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{
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if (++count < argc)
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opts.host = argv[count];
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else
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usage();
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}
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else if (strcmp(argv[count], "--port") == 0)
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{
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if (++count < argc)
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opts.port = argv[count];
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else
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usage();
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}
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else if (strcmp(argv[count], "--clientid") == 0)
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{
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if (++count < argc)
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opts.clientid = argv[count];
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else
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usage();
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}
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else if (strcmp(argv[count], "--username") == 0)
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{
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if (++count < argc)
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opts.username = argv[count];
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else
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usage();
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}
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else if (strcmp(argv[count], "--password") == 0)
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{
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if (++count < argc)
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opts.password = argv[count];
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else
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usage();
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}
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else if (strcmp(argv[count], "--maxdatalen") == 0)
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{
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if (++count < argc)
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opts.maxdatalen = atoi(argv[count]);
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else
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usage();
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}
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else if (strcmp(argv[count], "--delimiter") == 0)
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{
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if (++count < argc)
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opts.delimiter = argv[count];
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else
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usage();
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}
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count++;
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}
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}
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@ -0,0 +1,491 @@
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/*******************************************************************************
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* Copyright (c) 2012, 2013 IBM Corp.
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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||||
* and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
*
|
||||
* The Eclipse Public License is available at
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||||
* http://www.eclipse.org/legal/epl-v10.html
|
||||
* and the Eclipse Distribution License is available at
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||||
* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* Contributors:
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* Ian Craggs - initial contribution
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||||
*******************************************************************************/
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/*
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stdin publisher
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compulsory parameters:
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--topic topic to publish on
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defaulted parameters:
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--host localhost
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--port 1883
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--qos 0
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--delimiters \n
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--clientid stdin_publisher
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--maxdatalen 100
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--userid none
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--password none
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*/
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#include "MQTTAsync.h"
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#include <stdio.h>
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#include <signal.h>
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#include <memory.h>
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#if defined(WIN32)
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#include <Windows.h>
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#define sleep Sleep
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#else
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#include <sys/time.h>
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#include <stdlib.h>
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#endif
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volatile int toStop = 0;
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void usage()
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{
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printf("MQTT stdin publisher\n");
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printf("Usage: stdinpub topicname <options>, where options are:\n");
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printf(" --host <hostname> (default is localhost)\n");
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printf(" --port <port> (default is 1883)\n");
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printf(" --qos <qos> (default is 0)\n");
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printf(" --retained (default is off)\n");
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printf(" --delimiter <delim> (default is \\n)");
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printf(" --clientid <clientid> (default is hostname+timestamp)");
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printf(" --maxdatalen 100\n");
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printf(" --username none\n");
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printf(" --password none\n");
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exit(-1);
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}
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void cfinish(int sig)
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{
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signal(SIGINT, NULL);
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toStop = 1;
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}
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struct
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{
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char* clientid;
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char* delimiter;
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int maxdatalen;
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int qos;
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int retained;
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char* username;
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char* password;
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char* host;
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char* port;
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int verbose;
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} opts =
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{
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"publisher", "\n", 100, 0, 0, NULL, NULL, "localhost", "1883", 0
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};
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void getopts(int argc, char** argv);
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int messageArrived(void* context, char* topicName, int topicLen, MQTTAsync_message* m)
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{
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/* not expecting any messages */
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return 1;
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}
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static int disconnected = 0;
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void onDisconnect(void* context, MQTTAsync_successData* response)
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{
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disconnected = 1;
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}
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static int connected = 0;
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void onConnectFailure(void* context, MQTTAsync_failureData* response)
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{
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printf("Connect failed, rc %d\n", response ? -1 : response->code);
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connected = -1;
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}
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void onConnect(void* context, MQTTAsync_successData* response)
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{
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MQTTAsync client = (MQTTAsync)context;
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int rc;
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printf("Connected\n");
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connected = 1;
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}
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void myconnect(MQTTAsync* client)
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{
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MQTTAsync_connectOptions conn_opts = MQTTAsync_connectOptions_initializer;
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MQTTAsync_SSLOptions ssl_opts = MQTTAsync_SSLOptions_initializer;
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int rc = 0;
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printf("Connecting\n");
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conn_opts.keepAliveInterval = 10;
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conn_opts.cleansession = 1;
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conn_opts.username = opts.username;
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conn_opts.password = opts.password;
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conn_opts.onSuccess = onConnect;
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conn_opts.onFailure = onConnectFailure;
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conn_opts.context = client;
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ssl_opts.enableServerCertAuth = 0;
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conn_opts.ssl = &ssl_opts;
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connected = 0;
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if ((rc = MQTTAsync_connect(*client, &conn_opts)) != MQTTASYNC_SUCCESS)
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{
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printf("Failed to start connect, return code %d\n", rc);
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exit(-1);
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}
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while (connected == 0)
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#if defined(WIN32)
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Sleep(100);
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#else
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usleep(10000L);
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#endif
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}
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static int published = 0;
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void onPublishFailure(void* context, MQTTAsync_failureData* response)
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{
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printf("Publish failed, rc %d\n", response ? -1 : response->code);
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published = -1;
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}
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void onPublish(void* context, MQTTAsync_successData* response)
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{
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MQTTAsync client = (MQTTAsync)context;
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published = 1;
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}
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|
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|
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void connectionLost(void* context, char* cause)
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{
|
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MQTTAsync client = (MQTTAsync)context;
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MQTTAsync_connectOptions conn_opts = MQTTAsync_connectOptions_initializer;
|
||||
MQTTAsync_SSLOptions ssl_opts = MQTTAsync_SSLOptions_initializer;
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int rc = 0;
|
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|
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printf("Connecting\n");
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conn_opts.keepAliveInterval = 10;
|
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conn_opts.cleansession = 1;
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conn_opts.username = opts.username;
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conn_opts.password = opts.password;
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conn_opts.onSuccess = onConnect;
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conn_opts.onFailure = onConnectFailure;
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conn_opts.context = client;
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ssl_opts.enableServerCertAuth = 0;
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conn_opts.ssl = &ssl_opts;
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connected = 0;
|
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if ((rc = MQTTAsync_connect(client, &conn_opts)) != MQTTASYNC_SUCCESS)
|
||||
{
|
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printf("Failed to start connect, return code %d\n", rc);
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exit(-1);
|
||||
}
|
||||
}
|
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|
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#if !defined(_WINDOWS)
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#include <sys/time.h>
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#include <sys/socket.h>
|
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#include <unistd.h>
|
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#include <errno.h>
|
||||
#else
|
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#include <winsock2.h>
|
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#include <ws2tcpip.h>
|
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#define MAXHOSTNAMELEN 256
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#define EAGAIN WSAEWOULDBLOCK
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#define EINTR WSAEINTR
|
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#define EINPROGRESS WSAEINPROGRESS
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#define ENOTCONN WSAENOTCONN
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#define ECONNRESET WSAECONNRESET
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#define setenv(a, b, c) _putenv_s(a, b)
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#endif
|
||||
|
||||
|
||||
#if !defined(SOCKET_ERROR)
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#define SOCKET_ERROR -1
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#endif
|
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|
||||
|
||||
typedef struct
|
||||
{
|
||||
int socket;
|
||||
time_t lastContact;
|
||||
#if defined(OPENSSL)
|
||||
SSL* ssl;
|
||||
SSL_CTX* ctx;
|
||||
#endif
|
||||
} networkHandles;
|
||||
|
||||
|
||||
typedef struct
|
||||
{
|
||||
char* clientID; /**< the string id of the client */
|
||||
char* username; /**< MQTT v3.1 user name */
|
||||
char* password; /**< MQTT v3.1 password */
|
||||
unsigned int cleansession : 1; /**< MQTT clean session flag */
|
||||
unsigned int connected : 1; /**< whether it is currently connected */
|
||||
unsigned int good : 1; /**< if we have an error on the socket we turn this off */
|
||||
unsigned int ping_outstanding : 1;
|
||||
int connect_state : 4;
|
||||
networkHandles net;
|
||||
/* ... */
|
||||
} Clients;
|
||||
|
||||
|
||||
typedef struct MQTTAsync_struct
|
||||
{
|
||||
char* serverURI;
|
||||
int ssl;
|
||||
Clients* c;
|
||||
|
||||
/* "Global", to the client, callback definitions */
|
||||
MQTTAsync_connectionLost* cl;
|
||||
MQTTAsync_messageArrived* ma;
|
||||
MQTTAsync_deliveryComplete* dc;
|
||||
void* context; /* the context to be associated with the main callbacks*/
|
||||
#if 0
|
||||
MQTTAsync_command connect; /* Connect operation properties */
|
||||
MQTTAsync_command disconnect; /* Disconnect operation properties */
|
||||
MQTTAsync_command* pending_write; /* Is there a socket write pending? */
|
||||
|
||||
List* responses;
|
||||
unsigned int command_seqno;
|
||||
|
||||
MQTTPacket* pack;
|
||||
#endif
|
||||
} MQTTAsyncs;
|
||||
|
||||
int test6_socket_error(char* aString, int sock)
|
||||
{
|
||||
#if defined(WIN32)
|
||||
int errno;
|
||||
#endif
|
||||
|
||||
#if defined(WIN32)
|
||||
errno = WSAGetLastError();
|
||||
#endif
|
||||
if (errno != EINTR && errno != EAGAIN && errno != EINPROGRESS && errno != EWOULDBLOCK)
|
||||
{
|
||||
if (strcmp(aString, "shutdown") != 0 || (errno != ENOTCONN && errno != ECONNRESET))
|
||||
printf("Socket error %d in %s for socket %d", errno, aString, sock);
|
||||
}
|
||||
return errno;
|
||||
}
|
||||
|
||||
|
||||
int test6_socket_close(int socket)
|
||||
{
|
||||
int rc;
|
||||
|
||||
#if defined(WIN32)
|
||||
if (shutdown(socket, SD_BOTH) == SOCKET_ERROR)
|
||||
test6_socket_error("shutdown", socket);
|
||||
if ((rc = closesocket(socket)) == SOCKET_ERROR)
|
||||
test6_socket_error("close", socket);
|
||||
#else
|
||||
if (shutdown(socket, SHUT_RDWR) == SOCKET_ERROR)
|
||||
test6_socket_error("shutdown", socket);
|
||||
if ((rc = close(socket)) == SOCKET_ERROR)
|
||||
test6_socket_error("close", socket);
|
||||
#endif
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
MQTTAsync_disconnectOptions disc_opts = MQTTAsync_disconnectOptions_initializer;
|
||||
MQTTAsync_responseOptions pub_opts = MQTTAsync_responseOptions_initializer;
|
||||
MQTTAsync client;
|
||||
char* topic = NULL;
|
||||
char* buffer = NULL;
|
||||
int rc = 0;
|
||||
char url[100];
|
||||
|
||||
if (argc < 2)
|
||||
usage();
|
||||
|
||||
getopts(argc, argv);
|
||||
|
||||
sprintf(url, "%s:%s", opts.host, opts.port);
|
||||
if (opts.verbose)
|
||||
printf("URL is %s\n", url);
|
||||
|
||||
topic = argv[1];
|
||||
printf("Using topic %s\n", topic);
|
||||
|
||||
rc = MQTTAsync_create(&client, url, opts.clientid, MQTTCLIENT_PERSISTENCE_NONE, NULL);
|
||||
|
||||
signal(SIGINT, cfinish);
|
||||
signal(SIGTERM, cfinish);
|
||||
|
||||
rc = MQTTAsync_setCallbacks(client, client, connectionLost, messageArrived, NULL);
|
||||
|
||||
myconnect(&client);
|
||||
|
||||
buffer = malloc(opts.maxdatalen);
|
||||
|
||||
while (!toStop)
|
||||
{
|
||||
int data_len = 0;
|
||||
int delim_len = 0;
|
||||
|
||||
delim_len = strlen(opts.delimiter);
|
||||
do
|
||||
{
|
||||
buffer[data_len++] = getchar();
|
||||
if (data_len > delim_len)
|
||||
{
|
||||
//printf("comparing %s %s\n", opts.delimiter, &buffer[data_len - delim_len]);
|
||||
if (strncmp(opts.delimiter, &buffer[data_len - delim_len], delim_len) == 0)
|
||||
break;
|
||||
}
|
||||
} while (data_len < opts.maxdatalen);
|
||||
|
||||
if (opts.verbose)
|
||||
printf("Publishing data of length %d\n", data_len);
|
||||
pub_opts.onSuccess = onPublish;
|
||||
pub_opts.onFailure = onPublishFailure;
|
||||
do
|
||||
{
|
||||
published = 0;
|
||||
rc = MQTTAsync_send(client, topic, data_len, buffer, opts.qos, opts.retained, &pub_opts);
|
||||
while (published == 0)
|
||||
#if defined(WIN32)
|
||||
Sleep(100);
|
||||
#else
|
||||
usleep(1000L);
|
||||
#endif
|
||||
if (published == -1)
|
||||
myconnect(&client);
|
||||
test6_socket_close(((MQTTAsyncs*)client)->c->net.socket);
|
||||
}
|
||||
while (published != 1);
|
||||
}
|
||||
|
||||
printf("Stopping\n");
|
||||
|
||||
free(buffer);
|
||||
|
||||
disc_opts.onSuccess = onDisconnect;
|
||||
if ((rc = MQTTAsync_disconnect(client, &disc_opts)) != MQTTASYNC_SUCCESS)
|
||||
{
|
||||
printf("Failed to start disconnect, return code %d\n", rc);
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
while (!disconnected)
|
||||
#if defined(WIN32)
|
||||
Sleep(100);
|
||||
#else
|
||||
usleep(10000L);
|
||||
#endif
|
||||
|
||||
MQTTAsync_destroy(&client);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void getopts(int argc, char** argv)
|
||||
{
|
||||
int count = 2;
|
||||
|
||||
while (count < argc)
|
||||
{
|
||||
if (strcmp(argv[count], "--retained") == 0)
|
||||
opts.retained = 1;
|
||||
if (strcmp(argv[count], "--verbose") == 0)
|
||||
opts.verbose = 1;
|
||||
else if (strcmp(argv[count], "--qos") == 0)
|
||||
{
|
||||
if (++count < argc)
|
||||
{
|
||||
if (strcmp(argv[count], "0") == 0)
|
||||
opts.qos = 0;
|
||||
else if (strcmp(argv[count], "1") == 0)
|
||||
opts.qos = 1;
|
||||
else if (strcmp(argv[count], "2") == 0)
|
||||
opts.qos = 2;
|
||||
else
|
||||
usage();
|
||||
}
|
||||
else
|
||||
usage();
|
||||
}
|
||||
else if (strcmp(argv[count], "--host") == 0)
|
||||
{
|
||||
if (++count < argc)
|
||||
opts.host = argv[count];
|
||||
else
|
||||
usage();
|
||||
}
|
||||
else if (strcmp(argv[count], "--port") == 0)
|
||||
{
|
||||
if (++count < argc)
|
||||
opts.port = argv[count];
|
||||
else
|
||||
usage();
|
||||
}
|
||||
else if (strcmp(argv[count], "--clientid") == 0)
|
||||
{
|
||||
if (++count < argc)
|
||||
opts.clientid = argv[count];
|
||||
else
|
||||
usage();
|
||||
}
|
||||
else if (strcmp(argv[count], "--username") == 0)
|
||||
{
|
||||
if (++count < argc)
|
||||
opts.username = argv[count];
|
||||
else
|
||||
usage();
|
||||
}
|
||||
else if (strcmp(argv[count], "--password") == 0)
|
||||
{
|
||||
if (++count < argc)
|
||||
opts.password = argv[count];
|
||||
else
|
||||
usage();
|
||||
}
|
||||
else if (strcmp(argv[count], "--maxdatalen") == 0)
|
||||
{
|
||||
if (++count < argc)
|
||||
opts.maxdatalen = atoi(argv[count]);
|
||||
else
|
||||
usage();
|
||||
}
|
||||
else if (strcmp(argv[count], "--delimiter") == 0)
|
||||
{
|
||||
if (++count < argc)
|
||||
opts.delimiter = argv[count];
|
||||
else
|
||||
usage();
|
||||
}
|
||||
count++;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue