Import civetweb ans jsoncpp

3P/civetweb/examples/hello/hello.c

@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <string.h>
+#include "civetweb.h"
+
+// This function will be called by civetweb on every new request.
+static int begin_request_handler(struct mg_connection *conn)
+{
+    const struct mg_request_info *request_info = mg_get_request_info(conn);
+    char content[100];
+
+    // Prepare the message we're going to send
+    int content_length = snprintf(content, sizeof(content),
+                                  "Hello from civetweb! Remote port: %d",
+                                  request_info->remote_port);
+
+    // Send HTTP reply to the client
+    mg_printf(conn,
+              "HTTP/1.1 200 OK\r\n"
+              "Content-Type: text/plain\r\n"
+              "Content-Length: %d\r\n"        // Always set Content-Length
+              "\r\n"
+              "%s",
+              content_length, content);
+
+    // Returning non-zero tells civetweb that our function has replied to
+    // the client, and civetweb should not send client any more data.
+    return 1;
+}
+
+int main(void)
+{
+    struct mg_context *ctx;
+    struct mg_callbacks callbacks;
+
+    // List of options. Last element must be NULL.
+    const char *options[] = {"listening_ports", "8080", NULL};
+
+    // Prepare callbacks structure. We have only one callback, the rest are NULL.
+    memset(&callbacks, 0, sizeof(callbacks));
+    callbacks.begin_request = begin_request_handler;
+
+    // Start the web server.
+    ctx = mg_start(&callbacks, NULL, options);
+
+    // Wait until user hits "enter". Server is running in separate thread.
+    // Navigating to http://localhost:8080 will invoke begin_request_handler().
+    getchar();
+
+    // Stop the server.
+    mg_stop(ctx);
+
+    return 0;
+}