Diff: source/main-http-socket-reuse.cpp

Revision:

0:24d3eb812fd4

diff -r 000000000000 -r 24d3eb812fd4 source/main-http-socket-reuse.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/main-http-socket-reuse.cpp	Wed Sep 05 14:28:24 2018 +0000
@@ -0,0 +1,90 @@
+#include "select-demo.h"
+
+#if DEMO == DEMO_HTTP_SOCKET_REUSE
+
+#include "mbed.h"
+#include "easy-connect.h"
+#include "http_request.h"
+
+Serial pc(USBTX, USBRX);
+
+void dump_response(HttpResponse* res) {
+    printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
+
+    printf("Headers:\n");
+    for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
+        printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
+    }
+    printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
+}
+
+int main() {
+    pc.baud(115200);
+    // Connect to the network (see mbed_app.json for the connectivity method used)
+    NetworkInterface *network = easy_connect(true);
+    if (!network) {
+        printf("Cannot connect to the network, see serial output");
+        return 1;
+    }
+
+    // Create a TCP socket
+    printf("\n----- Setting up TCP connection -----\n");
+
+    TCPSocket* socket = new TCPSocket();
+    nsapi_error_t open_result = socket->open(network);
+    if (open_result != 0) {
+        printf("Opening TCPSocket failed... %d\n", open_result);
+        return 1;
+    }
+
+    nsapi_error_t connect_result = socket->connect("httpbin.org", 80);
+    if (connect_result != 0) {
+        printf("Connecting over TCPSocket failed... %d\n", connect_result);
+        return 1;
+    }
+
+    printf("Connected over TCP to httpbin.org:80\n");
+
+    // Do a GET request to httpbin.org
+    {
+        HttpRequest* get_req = new HttpRequest(socket, HTTP_GET, "http://httpbin.org/status/418");
+
+        // By default the body is automatically parsed and stored in a string, this is memory heavy.
+        // To receive chunked response, pass in a callback as third parameter to 'send'.
+        HttpResponse* get_res = get_req->send();
+        if (!get_res) {
+            printf("HttpRequest failed (error code %d)\n", get_req->get_error());
+            return 1;
+        }
+
+        printf("\n----- HTTP GET response -----\n");
+        dump_response(get_res);
+
+        delete get_req;
+    }
+
+    // POST request to httpbin.org
+    {
+        HttpRequest* post_req = new HttpRequest(socket, HTTP_POST, "http://httpbin.org/post");
+        post_req->set_header("Content-Type", "application/json");
+
+        const char body[] = "{\"hello\":\"world\"}";
+
+        HttpResponse* post_res = post_req->send(body, strlen(body));
+        if (!post_res) {
+            printf("HttpRequest failed (error code %d)\n", post_req->get_error());
+            return 1;
+        }
+
+        printf("\n----- HTTP POST response -----\n");
+        dump_response(post_res);
+
+        delete post_req;
+    }
+
+    delete socket;
+
+    Thread::wait(osWaitForever);
+}
+
+#endif