simple http request (temperature data) from mbed lpc1768 with application board to thingsboard device/dashboard

Dependencies:   LM75B mbed-http

Fork of http-example by sandbox

Revision:
2:4b4ac59ff9b0
Parent:
1:3bff14db67c7
Child:
3:0f5859a9e3de
--- a/source/mbed-http/http_request.h	Thu Feb 16 11:13:40 2017 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,180 +0,0 @@
-#ifndef _HTTP_REQUEST_
-#define _HTTP_REQUEST_
-
-#include <string>
-#include <vector>
-#include <map>
-#include "http_parser.h"
-#include "http_response.h"
-#include "http_request_builder.h"
-#include "http_response_parser.h"
-#include "http_parsed_url.h"
-
-/**
- * @todo:
- *      - Userinfo parameter is not handled
- *      - Allow socket re-use
- */
-
-
-/**
- * \brief HttpRequest implements the logic for interacting with HTTPS servers.
- */
-class HttpRequest {
-public:
-    /**
-     * HttpRequest Constructor
-     *
-     * @param[in] aNetwork The network interface
-     * @param[in] aMethod HTTP method to use
-     * @param[in] url URL to the resource
-     * @param[in] aBodyCallback Callback on which to retrieve chunks of the response body.
-                                If not set, the complete body will be allocated on the HttpResponse object,
-                                which might use lots of memory.
-    */
-    HttpRequest(NetworkInterface* aNetwork, http_method aMethod, const char* url, Callback<void(const char *at, size_t length)> aBodyCallback = 0)
-        : network(aNetwork), method(aMethod), body_callback(aBodyCallback)
-    {
-        error = 0;
-        response = NULL;
-
-        parsed_url = new ParsedUrl(url);
-        request_builder = new HttpRequestBuilder(method, parsed_url);
-    }
-
-    /**
-     * HttpRequest Constructor
-     */
-    ~HttpRequest() {
-        // should response be owned by us? Or should user free it?
-        // maybe implement copy constructor on response...
-        if (response) {
-            delete response;
-        }
-
-        if (parsed_url) {
-            delete parsed_url;
-        }
-
-        if (request_builder) {
-            delete request_builder;
-        }
-    }
-
-    /**
-     * Execute the request and receive the response.
-     */
-    HttpResponse* send(const void* body = NULL, nsapi_size_t body_size = 0) {
-        if (response != NULL) {
-            // already executed this response
-            error = -2100; // @todo, make a lookup table with errors
-            return NULL;
-        }
-
-        error = 0;
-
-        TCPSocket socket;
-
-        nsapi_error_t open_result = socket.open(network);
-        if (open_result != 0) {
-            error = open_result;
-            return NULL;
-        }
-
-        nsapi_error_t connection_result = socket.connect(parsed_url->host(), parsed_url->port());
-        if (connection_result != 0) {
-            error = connection_result;
-            return NULL;
-        }
-
-        char* request = request_builder->build(body, body_size);
-        size_t request_size = strlen(request);
-
-        nsapi_size_or_error_t send_result = socket.send(request, request_size);
-
-        free(request);
-
-        if (send_result != request_size) {
-            error = send_result;
-            return NULL;
-        }
-
-        // Create a response object
-        response = new HttpResponse();
-        // And a response parser
-        HttpResponseParser parser(response, body_callback);
-
-        // Set up a receive buffer (on the heap)
-        uint8_t* recv_buffer = (uint8_t*)malloc(HTTP_RECEIVE_BUFFER_SIZE);
-
-        // TCPSocket::recv is called until we don't have any data anymore
-        nsapi_size_or_error_t recv_ret;
-        while ((recv_ret = socket.recv(recv_buffer, HTTP_RECEIVE_BUFFER_SIZE)) > 0) {
-            // Pass the chunk into the http_parser
-            size_t nparsed = parser.execute((const char*)recv_buffer, recv_ret);
-            if (nparsed != recv_ret) {
-                // printf("Parsing failed... parsed %d bytes, received %d bytes\n", nparsed, recv_ret);
-                error = -2101;
-                free(recv_buffer);
-                return NULL;
-            }
-            // No more chunks? break out of this loop
-            if (recv_ret < HTTP_RECEIVE_BUFFER_SIZE) {
-                break;
-            }
-        }
-        // error?
-        if (recv_ret < 0) {
-            error = recv_ret;
-            free(recv_buffer);
-            return NULL;
-        }
-
-        // When done, call parser.finish()
-        parser.finish();
-
-        // Free the receive buffer
-        free(recv_buffer);
-
-        // Close the socket
-        socket.close();
-
-        return response;
-    }
-
-    /**
-     * Set a header for the request.
-     *
-     * The 'Host' and 'Content-Length' headers are set automatically.
-     * Setting the same header twice will overwrite the previous entry.
-     *
-     * @param[in] key Header key
-     * @param[in] value Header value
-     */
-    void set_header(string key, string value) {
-        request_builder->set_header(key, value);
-    }
-
-    /**
-     * Get the error code.
-     *
-     * When send() fails, this error is set.
-     */
-    nsapi_error_t get_error() {
-        return error;
-    }
-
-private:
-    NetworkInterface* network;
-    http_method method;
-    Callback<void(const char *at, size_t length)> body_callback;
-
-    ParsedUrl* parsed_url;
-
-    HttpRequestBuilder* request_builder;
-    HttpResponse* response;
-
-    nsapi_error_t error;
-};
-
-#endif // _HTTP_REQUEST_