rework HTTPclient examples

Author: Links2004

libraries/ESP8266HTTPClient/examples/BasicHttpClient/BasicHttpClient.ino

@@ -43,24 +43,28 @@ void loop() {
 
         USE_SERIAL.print("[HTTP] begin...\n");
         // configure traged server and url
-        //http.begin("192.168.1.12", 443, "/test.html", true, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
-        http.begin("192.168.1.12", 80, "/test.html"); //HTTP
+        //http.begin("https://192.168.1.12/test.html", "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
+        http.begin("http://192.168.1.12/test.html"); //HTTP
 
         USE_SERIAL.print("[HTTP] GET...\n");
         // start connection and send HTTP header
         int httpCode = http.GET();
+
+        // httpCode will be negative on error
         if(httpCode) {
             // HTTP header has been send and Server response header has been handled
             USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
 
             // file found at server
-            if(httpCode == 200) {
+            if(httpCode == HTTP_CODE_OK) {
                 String payload = http.getString();
                 USE_SERIAL.println(payload);
             }
         } else {
             USE_SERIAL.print("[HTTP] GET... failed, no connection or no HTTP server\n");
         }
+
+        http.end();
     }
 
     delay(10000);

libraries/ESP8266HTTPClient/examples/ReuseConnection/ReuseConnection.ino

@@ -36,26 +36,31 @@ void setup() {
 
     WiFiMulti.addAP("SSID", "PASSWORD");
 
-
+    // allow reuse (if server supports it)
+    http.setReuse(true);
 }
 
 void loop() {
     // wait for WiFi connection
     if((WiFiMulti.run() == WL_CONNECTED)) {
 
-        http.begin("192.168.1.12", 80, "/test.html");
+        http.begin("http://192.168.1.12/test.html");
+        //http.begin("192.168.1.12", 80, "/test.html");
 
         int httpCode = http.GET();
         if(httpCode) {
             USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
 
             // file found at server
-            if(httpCode == 200) {
+            if(httpCode == HTTP_CODE_OK) {
                 http.writeToStream(&USE_SERIAL);
             }
         } else {
             USE_SERIAL.print("[HTTP] GET... failed, no connection or no HTTP server\n");
         }
+
+        http.end();
+
     }
 
     delay(1000);

libraries/ESP8266HTTPClient/examples/StreamHttpClient/StreamHttpClient.ino

@@ -42,19 +42,20 @@ void loop() {
         HTTPClient http;
 
         USE_SERIAL.print("[HTTP] begin...\n");
-        // configure traged server and url
-        http.begin("192.168.1.12", 80, "/test.html");
+
+        // configure server and url
+        http.begin("http://192.168.1.12/test.html");
+        //http.begin("192.168.1.12", 80, "/test.html");
 
         USE_SERIAL.print("[HTTP] GET...\n");
         // start connection and send HTTP header
         int httpCode = http.GET();
         if(httpCode) {
             // HTTP header has been send and Server response header has been handled
-
             USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
 
             // file found at server
-            if(httpCode == 200) {
+            if(httpCode == HTTP_CODE_OK) {
 
                 // get lenght of document (is -1 when Server sends no Content-Length header)
                 int len = http.getSize();
@@ -91,6 +92,8 @@ void loop() {
         } else {
             USE_SERIAL.print("[HTTP] GET... failed, no connection or no HTTP server\n");
         }
+
+        http.end();
     }
 
     delay(10000);