HttpClient/examples/SimpleHttpExample/SimpleHttpExample.ino at master · amcewen/HttpClient · GitHub

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// Released under Apache License, version 2.0

// Simple example to show how to use the HttpClient library

// Get's the web page given at http://<kHostname><kPath> and

// outputs the content to the serial port

#include <SPI.h>

#include <HttpClient.h>

#include <Ethernet.h>

#include <EthernetClient.h>

// This example downloads the URL "http://arduino.cc/"

// Name of the server we want to connect to

const char kHostname[] = "arduino.cc";

// Path to download (this is the bit after the hostname in the URL

// that you want to download

const char kPath[] = "/";

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };

// Number of milliseconds to wait without receiving any data before we give up

const int kNetworkTimeout = 30*1000;

// Number of milliseconds to wait if no data is available before trying again

const int kNetworkDelay = 1000;

void setup()

{

// initialize serial communications at 9600 bps:

Serial.begin(9600);

while (Ethernet.begin(mac) != 1)

{

Serial.println("Error getting IP address via DHCP, trying again...");

delay(15000);

}

void loop()

{

int err =0;

EthernetClient c;

HttpClient http(c);

err = http.get(kHostname, kPath);

if (err == 0)

{

Serial.println("startedRequest ok");

err = http.responseStatusCode();

if (err >= 0)

{

Serial.print("Got status code: ");

Serial.println(err);

// Usually you'd check that the response code is 200 or a

// similar "success" code (200-299) before carrying on,

// but we'll print out whatever response we get

err = http.skipResponseHeaders();

if (err >= 0)

{

int bodyLen = http.contentLength();

Serial.print("Content length is: ");

Serial.println(bodyLen);

Serial.println();

Serial.println("Body returned follows:");

// Now we've got to the body, so we can print it out

unsigned long timeoutStart = millis();

char c;

// Whilst we haven't timed out & haven't reached the end of the body

while ( (http.connected() || http.available()) &&

((millis() - timeoutStart) < kNetworkTimeout) )

{

if (http.available())

{

c = http.read();

// Print out this character

Serial.print(c);

bodyLen--;

// We read something, reset the timeout counter

timeoutStart = millis();

}

else

{

// We haven't got any data, so let's pause to allow some to

// arrive

delay(kNetworkDelay);

}

else

{

Serial.print("Failed to skip response headers: ");

Serial.println(err);

}

else

{

Serial.print("Getting response failed: ");

Serial.println(err);

}

else

{

Serial.print("Connect failed: ");

Serial.println(err);

}

http.stop();

// And just stop, now that we've tried a download

while(1);

}

HttpClient/examples/SimpleHttpExample/SimpleHttpExample.ino at master · amcewen/HttpClient · GitHub

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