Initial version of websocket client. SSL tested working. websocket_client example included.

examples/websocket_client/websocket_client.c

@@ -0,0 +1,72 @@
+/*
+* Copyright (c) 2013 No Face Press, LLC
+* License http://opensource.org/licenses/mit-license.php MIT License
+*/
+
+// Simple example program on how to use Embedded C interface.
+#ifdef _WIN32
+#include <Windows.h>
+#else
+#include <unistd.h>
+#endif
+
+#include <string.h>
+#include "civetweb.h"
+
+#define DOCUMENT_ROOT "."
+#define PORT "8888"
+#define SSL_CERT "./ssl/server.pem"
+
+int websocket_data_handler(struct mg_connection *conn, int flags, char *data, size_t data_len)
+{
+    printf("From server: %s\r\n", data);
+
+    return 1;
+}
+
+int main(int argc, char *argv[])
+{
+
+    const char * options[] = { "document_root", DOCUMENT_ROOT,
+                               "ssl_certificate", SSL_CERT,
+                               "listening_ports", PORT, 0
+                             };
+    struct mg_callbacks callbacks;
+    struct mg_context *ctx;
+
+    memset(&callbacks, 0, sizeof(callbacks));
+    ctx = mg_start(&callbacks, 0, options);
+
+    char ebuf[100];
+    struct mg_connection* newconn = mg_client_websocket_connect("echo.websocket.org", 443, 1,
+                             ebuf, sizeof(ebuf),
+                             "/", "http://websocket.org",websocket_data_handler);
+
+    if(newconn == NULL)
+    {
+        printf("Error: %s", ebuf);
+        return 1;
+    }
+
+    mg_websocket_write(newconn, WEBSOCKET_OPCODE_TEXT, "data1", 5);
+
+    sleep(5);
+
+    mg_websocket_write(newconn, WEBSOCKET_OPCODE_TEXT, "data2", 5);
+
+    sleep(5);
+
+    mg_websocket_write(newconn, WEBSOCKET_OPCODE_TEXT, "data3", 5);
+
+    sleep(5);
+
+    mg_websocket_write(newconn, WEBSOCKET_OPCODE_TEXT, "data4", 5);
+
+    sleep(5);
+
+    mg_close_connection(newconn);
+
+    printf("Bye!\n");
+
+    return 0;
+}