main.cpp

00001 /** Beispiel fuer Verwendung der HTTP Methoden (GET, POST, PUT, DELETE)
00002  *
00003  * Braucht ein Board mit Ethernet
00004  */
00005 #include "mbed.h"
00006 #include "HTTPClient.h"
00007 #include "HTTPText.h"
00008 #include "EthernetInterface.h"
00009 
00010 Serial pc(USBTX, USBRX);
00011 
00012 EthernetInterface eth;
00013 HTTPClient http;
00014 char message[6000];
00015 char str[512];
00016 
00017 DigitalOut myled(LED1);
00018 
00019 int main()
00020 {
00021     pc.baud(9600);
00022     printf("HTTP Client - Build " __DATE__ " - " __TIME__ "\r\n");
00023     eth.init();
00024     eth.connect();
00025 
00026     while(1) 
00027     {
00028         myled = 1;
00029         printf( "GET http://developer.mbed.org/media/uploads/mbed_official/hello.txt\n" );
00030         //int ret = http.get("https://raw.githubusercontent.com/mc-b/microHOME/master/README.md", message, sizeof(message));
00031         int ret = http.get("http://developer.mbed.org/media/uploads/mbed_official/hello.txt", message, sizeof(message));
00032         if ( !ret ) 
00033         {
00034             printf("Success - read %d characters.\r\n", strlen(message));
00035             printf("%s\r\n", message);
00036         }
00037         else
00038             printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
00039         
00040         myled = 0;
00041 
00042         //POST data
00043         HTTPMap map;
00044         HTTPText inText(str, 512);
00045         map.put("Hello", "World");
00046         map.put("test", "1234");
00047         printf("\nTrying to post data...\n");
00048         ret = http.post("http://httpbin.org/post", map, &inText);
00049         if ( ! ret ) 
00050         {
00051             printf("Executed POST successfully - read %d characters\n", strlen(str));
00052             printf("Result: %s\n", str);
00053         } 
00054         else 
00055         {
00056             printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
00057         }
00058 
00059         //PUT data
00060         strcpy(str, "This is a PUT test!");
00061         HTTPText outText(str);
00062         //HTTPText inText(str, 512);
00063         printf("\nTrying to put resource...\n");
00064         ret = http.put("http://httpbin.org/put", outText, &inText);
00065         if (!ret) {
00066             printf("Executed PUT successfully - read %d characters\n", strlen(str));
00067             printf("Result: %s\n", str);
00068         } else {
00069             printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
00070         }
00071 
00072         //DELETE data
00073         //HTTPText inText(str, 512);
00074         printf("\nTrying to delete resource...\n");
00075         ret = http.del("http://httpbin.org/delete", &inText);
00076         if (!ret) {
00077             printf("Executed DELETE successfully - read %d characters\n", strlen(str));
00078             printf("Result: %s\n", str);
00079         } else {
00080             printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
00081         }
00082 
00083         wait(10);
00084     }
00085     // eth.disconnect();
00086 }