Diff: HTTPClientStreamingExample.cpp

Revision:

0:c9e889dbdca5

Child:

1:e6e8b074e675

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClientStreamingExample.cpp	Mon Jun 14 13:36:01 2010 +0000
@@ -0,0 +1,64 @@
+#include "mbed.h"
+#include "EthernetNetIf.h"
+#include "HTTPClient.h"
+
+EthernetNetIf eth; 
+HTTPClient http;
+
+HTTPResult result;
+bool completed = false;
+void request_callback(HTTPResult r)
+{
+  result = r;
+  completed = true;
+}
+
+int main() {
+
+  printf("Start\n");
+
+  printf("Setting up...\n");
+  EthernetErr ethErr = eth.setup();
+  if(ethErr)
+  {
+    printf("Error %d in setup.\n", ethErr);
+    return -1;
+  }
+  printf("Setup OK\n");
+  
+  HTTPStream stream;
+  
+  char BigBuf[512 + 1] = {0};
+  stream.readNext((byte*)BigBuf, 512); //Point to buffer for the first read
+  
+  HTTPResult r = http.get("HTTP://hackaday.com/feed/", &stream, request_callback); //Load a very large page, such as the hackaday RSS feed
+  
+  while(!completed)
+  {
+    Net::poll(); //Polls the Networking stack
+    if(stream.readable())
+    {
+      BigBuf[stream.readLen()] = 0; //Transform this buffer in a zero-terminated char* string
+      printf("%s",BigBuf); //Display it while loading
+      //Note: some servers do not like if you throttle them too much, so printf'ing during a request is generally bad practice
+      stream.readNext((byte*)BigBuf, 512); //Buffer has been read, now we can put more data in it
+    }
+  }
+  printf("\n--------------\n");
+  if(result == HTTP_OK)
+  {
+    printf("Read completely\n"); 
+  }
+  else
+  {
+    printf("Error %d\n", result);
+  }
+  
+  while(1)
+  {
+  
+  }
+  
+  return 0;
+  
+}