Revision 24:70bddd0f508c, committed 2020-04-16

Comitter:

marcel1691

Date:

Thu Apr 16 06:55:43 2020 +0000

Parent:

23:e38aaf532823

Commit message:

MQTT Beispiel fuer mbed Simulator nicht IoTKitV3!

Changed in this revision

diff -r e38aaf532823 -r 70bddd0f508c Linux-example/LinuxIPStack.h
--- a/Linux-example/LinuxIPStack.h	Tue Jan 16 13:41:29 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,119 +0,0 @@
-#if !defined(LINUX_IPSTACK_H)
-#define LINUX_IPSTACK_H
-
-class IPStack 
-{
-public:    
-    IPStack()
-    {
-
-    }
-    
-    int Socket_error(const char* aString)
-    {
-
-        if (errno != EINTR && errno != EAGAIN && errno != EINPROGRESS && errno != EWOULDBLOCK)
-        {
-            if (strcmp(aString, "shutdown") != 0 || (errno != ENOTCONN && errno != ECONNRESET))
-                printf("Socket error %s in %s for socket %d\n", strerror(errno), aString, mysock);
-        }
-        return errno;
-    }
-
-    int connect(const char* hostname, int port)
-    {
-        int type = SOCK_STREAM;
-        struct sockaddr_in address;
-        int rc = -1;
-        sa_family_t family = AF_INET;
-        struct addrinfo *result = NULL;
-        struct addrinfo hints = {0, AF_UNSPEC, SOCK_STREAM, IPPROTO_TCP, 0, NULL, NULL, NULL};
-
-        if ((rc = getaddrinfo(hostname, NULL, &hints, &result)) == 0)
-        {
-            struct addrinfo* res = result;
-
-            /* prefer ip4 addresses */
-            while (res)
-            {
-                if (res->ai_family == AF_INET)
-                {
-                    result = res;
-                    break;
-                }
-                res = res->ai_next;
-            }
-
-            if (result->ai_family == AF_INET)
-            {
-                address.sin_port = htons(port);
-                address.sin_family = family = AF_INET;
-                address.sin_addr = ((struct sockaddr_in*)(result->ai_addr))->sin_addr;
-            }
-            else
-                rc = -1;
-
-            freeaddrinfo(result);
-        }
-
-        if (rc == 0)
-        {
-            mysock = socket(family, type, 0);
-            if (mysock != -1)
-            {
-                int opt = 1;
-
-                //if (setsockopt(mysock, SOL_SOCKET, SO_NOSIGPIPE, (void*)&opt, sizeof(opt)) != 0)
-                //  printf("Could not set SO_NOSIGPIPE for socket %d", mysock);
-                
-                rc = ::connect(mysock, (struct sockaddr*)&address, sizeof(address));
-            }
-        }
-
-        return rc;
-    }
-
-    int read(char* buffer, int len, int timeout_ms)
-    {
-        struct timeval interval = {timeout_ms / 1000, (timeout_ms % 1000) * 1000};
-        if (interval.tv_sec < 0 || (interval.tv_sec == 0 && interval.tv_usec <= 0))
-        {
-            interval.tv_sec = 0;
-            interval.tv_usec = 100;
-        }
-
-        setsockopt(mysock, SOL_SOCKET, SO_RCVTIMEO, (char *)&interval, sizeof(struct timeval));
-
-        //printf("reading %d bytes\n", len);
-        int rc = ::recv(mysock, buffer, (size_t)len, 0);
-        if (rc == -1)
-            Socket_error("read");
-        //printf("read %d bytes\n", rc);
-        return rc;
-    }
-    
-    int write(char* buffer, int len, int timeout)
-    {
-        struct timeval tv;
-
-        tv.tv_sec = 0;  /* 30 Secs Timeout */
-        tv.tv_usec = timeout * 1000;  // Not init'ing this can cause strange errors
-
-        setsockopt(mysock, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,sizeof(struct timeval));
-        int rc = ::write(mysock, buffer, len);
-        //printf("write rc %d\n", rc);
-        return rc;
-    }
-
-    int disconnect()
-    {
-        return ::close(mysock);
-    }
-    
-private:
-
-    int mysock; 
-    
-};
-
-#endif
\ No newline at end of file

diff -r e38aaf532823 -r 70bddd0f508c Linux-example/LinuxMQTT.h
--- a/Linux-example/LinuxMQTT.h	Tue Jan 16 13:41:29 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,64 +0,0 @@
-#if !defined(LINUXMQTT_H)
-#define LINUXMQTT_H
-
-class Countdown
-{
-public:
-    Countdown()
-    { 
-    
-    }
-
-    Countdown(int ms)
-    { 
-        countdown_ms(ms);
-    }
-    
-
-    bool expired()
-    {
-        struct timeval now, res;
-        gettimeofday(&now, NULL);
-        timersub(&end_time, &now, &res);        
-        //printf("left %d ms\n", (res.tv_sec < 0) ? 0 : res.tv_sec * 1000 + res.tv_usec / 1000);
-        //if (res.tv_sec > 0 || res.tv_usec > 0)
-        //  printf("expired %d %d\n", res.tv_sec, res.tv_usec);
-        return res.tv_sec < 0 || (res.tv_sec == 0 && res.tv_usec <= 0);
-    }
-    
-
-    void countdown_ms(int ms)  
-    {
-        struct timeval now;
-        gettimeofday(&now, NULL);
-        struct timeval interval = {ms / 1000, (ms % 1000) * 1000};
-        //printf("interval %d %d\n", interval.tv_sec, interval.tv_usec);
-        timeradd(&now, &interval, &end_time);
-    }
-
-    
-    void countdown(int seconds)
-    {
-        struct timeval now;
-        gettimeofday(&now, NULL);
-        struct timeval interval = {seconds, 0};
-        timeradd(&now, &interval, &end_time);
-    }
-
-    
-    int left_ms()
-    {
-        struct timeval now, res;
-        gettimeofday(&now, NULL);
-        timersub(&end_time, &now, &res);
-        //printf("left %d ms\n", (res.tv_sec < 0) ? 0 : res.tv_sec * 1000 + res.tv_usec / 1000);
-        return (res.tv_sec < 0) ? 0 : res.tv_sec * 1000 + res.tv_usec / 1000;
-    }
-    
-private:
-
-    struct timeval end_time;
-};
-
-
-#endif
\ No newline at end of file

diff -r e38aaf532823 -r 70bddd0f508c Linux-example/linux-main.cpp
--- a/Linux-example/linux-main.cpp	Tue Jan 16 13:41:29 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,149 +0,0 @@
-/*******************************************************************************
- * 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
- *******************************************************************************/
-  
- /**
-  This is a sample program to illustrate the use of the MQTT Client library
-  on Linux.  The Client class requires two classes which mediate
-  access to system interfaces for networking and timing.  As long as these two
-  classes provide the required public programming interfaces, it does not matter
-  what facilities they use underneath. In this program, they use the Linux
-  system libraries.
- 
- */
-
-#if defined(LINUX)
-
-#include "LinuxMQTT.h"
-#include "LinuxIPStack.h"
-#include "MQTTClient.h"
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/select.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
-#include <fcntl.h>
-
-#include <stdlib.h>
-#include <string.h>
-#include <signal.h>
-
-#define DEFAULT_STACK_SIZE -1
-
-
-int arrivedcount = 0;
-
-void messageArrived(MQTT::Message* message)
-{
-	printf("Message %d arrived: qos %d, retained %d, dup %d, packetid %d\n", 
-		++arrivedcount, message->qos, message->retained, message->dup, message->id);
-    printf("Payload %.*s\n", message->payloadlen, (char*)message->payload);
-}
-
-
-int connect(MQTT::Client<IPStack, Countdown>::connectionLostInfo* info)
-{
-    const char* hostname = "localhost"; //"m2m.eclipse.org";
-    int port = 1883;
-    printf("Connecting to %s:%d\n", hostname, port);
-    int rc = info->network->connect(hostname, port);
-	if (rc != 0)
-	    printf("rc from TCP connect is %d\n", rc);
- 
-    MQTTPacket_connectData data = MQTTPacket_connectData_initializer;       
-    data.MQTTVersion = 3;
-    data.clientID.cstring = (char*)"mbed-icraggs";
-    rc = info->client->connect(&data);
-	if (rc != 0)
-	    printf("rc from MQTT connect is %d\n", rc);
-    
-    return rc;
-}
-
-
-int main(int argc, char* argv[])
-{   
-    IPStack ipstack = IPStack();
-    float version = 0.3;
-    const char* topic = "mbed-sample";
-    
-    printf("Version is %f\n", version);
-              
-    MQTT::Client<IPStack, Countdown> client = MQTT::Client<IPStack, Countdown>(ipstack);
-    
-    client.setConnectionLostHandler(connect);
-
-    MQTT::Client<IPStack, Countdown>::connectionLostInfo info = {&client, &ipstack};
-    int rc = connect(&info);
-    
-    rc = client.subscribe(topic, MQTT::QOS2, messageArrived);   
-    if (rc != 0)
-        printf("rc from MQTT subscribe is %d\n", rc);
-
-    MQTT::Message message;
-
-    // QoS 0
-    char buf[100];
-    sprintf(buf, "Hello World!  QoS 0 message from app version %f", version);
-    message.qos = MQTT::QOS0;
-    message.retained = false;
-    message.dup = false;
-    message.payload = (void*)buf;
-    message.payloadlen = strlen(buf)+1;
-    rc = client.publish(topic, &message);
-    while (arrivedcount == 0)
-        client.yield(100);
-        
-    // QoS 1
-	printf("Now QoS 1\n");
-    sprintf(buf, "Hello World!  QoS 1 message from app version %f", version);
-    message.qos = MQTT::QOS1;
-    message.payloadlen = strlen(buf)+1;
-    rc = client.publish(topic, &message);
-    while (arrivedcount == 1)
-        client.yield(100);
-        
-    // QoS 2
-    sprintf(buf, "Hello World!  QoS 2 message from app version %f", version);
-    message.qos = MQTT::QOS2;
-    message.payloadlen = strlen(buf)+1;
-    rc = client.publish(topic, &message);
-    while (arrivedcount == 2)
-        client.yield(100);
-    
-    rc = client.unsubscribe(topic);
-    if (rc != 0)
-        printf("rc from unsubscribe was %d\n", rc);
-    
-    rc = client.disconnect();
-    if (rc != 0)
-        printf("rc from disconnect was %d\n", rc);
-    
-    ipstack.disconnect();
-    
-    printf("Finishing with %d messages received\n", arrivedcount);
-    
-    return 0;
-}
-
-#endif

diff -r e38aaf532823 -r 70bddd0f508c main.cpp
--- a/main.cpp	Tue Jan 16 13:41:29 2018 +0000
+++ b/main.cpp	Thu Apr 16 06:55:43 2020 +0000
@@ -15,33 +15,8 @@
  *    Ian Craggs - make sure QoS2 processing works, and add device headers
  *******************************************************************************/
 
- /**
-  This is a sample program to illustrate the use of the MQTT Client library
-  on the mbed platform.  The Client class requires two classes which mediate
-  access to system interfaces for networking and timing.  As long as these two
-  classes provide the required public programming interfaces, it does not matter
-  what facilities they use underneath. In this program, they use the mbed
-  system libraries.
-
- */
-
- // change this to 1 to output messages to LCD instead of serial
-#define USE_LCD 0
-
-#if USE_LCD
-#include "C12832.h"
-
-// the actual pins are defined in mbed_app.json and can be overridden per target
-C12832 lcd(LCD_MOSI, LCD_SCK, LCD_MISO, LCD_A0, LCD_NCS);
-
-#define logMessage lcd.cls();lcd.printf
-
-#else
-
 #define logMessage printf
 
-#endif
-
 #define MQTTCLIENT_QOS2 1
 
 #include "easy-connect.h"
@@ -51,7 +26,6 @@
 
 int arrivedcount = 0;
 
-
 void messageArrived(MQTT::MessageData& md)
 {
     MQTT::Message &message = md.message;
@@ -77,7 +51,7 @@
 
     MQTT::Client<MQTTNetwork, Countdown> client(mqttNetwork);
 
-    const char* hostname = "m2m.eclipse.org";
+    const char* hostname = "gateway.northeurope.cloudapp.azure.com";
     int port = 1883;
     logMessage("Connecting to %s:%d\r\n", hostname, port);
     int rc = mqttNetwork.connect(hostname, port);
@@ -106,24 +80,18 @@
     message.payload = (void*)buf;
     message.payloadlen = strlen(buf)+1;
     rc = client.publish(topic, message);
-    while (arrivedcount < 1)
-        client.yield(100);
 
     // QoS 1
     sprintf(buf, "Hello World!  QoS 1 message from app version %f\r\n", version);
     message.qos = MQTT::QOS1;
     message.payloadlen = strlen(buf)+1;
     rc = client.publish(topic, message);
-    while (arrivedcount < 2)
-        client.yield(100);
 
     // QoS 2
     sprintf(buf, "Hello World!  QoS 2 message from app version %f\r\n", version);
     message.qos = MQTT::QOS2;
     message.payloadlen = strlen(buf)+1;
     rc = client.publish(topic, message);
-    while (arrivedcount < 3)
-        client.yield(100);
 
     if ((rc = client.unsubscribe(topic)) != 0)
         logMessage("rc from unsubscribe was %d\r\n", rc);