Merge commit '09987d0f9d32e860f1391bb9c75b799501e2d141' as 'Subtrees/websocket'

Subtrees/websocket/src/network_utilities.cpp

@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "network_utilities.hpp"
+
+
+
+uint64_t zsutil::htonll(uint64_t src) { 
+    static int typ = TYP_INIT; 
+    unsigned char c; 
+    union { 
+        uint64_t ull; 
+        unsigned char c[8]; 
+    } x; 
+    if (typ == TYP_INIT) { 
+        x.ull = 0x01; 
+        typ = (x.c[7] == 0x01ULL) ? TYP_BIGE : TYP_SMLE; 
+    } 
+    if (typ == TYP_BIGE) 
+        return src; 
+    x.ull = src; 
+    c = x.c[0]; x.c[0] = x.c[7]; x.c[7] = c; 
+    c = x.c[1]; x.c[1] = x.c[6]; x.c[6] = c; 
+    c = x.c[2]; x.c[2] = x.c[5]; x.c[5] = c; 
+    c = x.c[3]; x.c[3] = x.c[4]; x.c[4] = c; 
+    return x.ull; 
+}
+
+uint64_t zsutil::ntohll(uint64_t src) { 
+    return htonll(src);
+}
+
+std::string zsutil::lookup_ws_close_status_string(uint16_t code) {
+    switch (code) {
+        case 1000: 
+            return "Normal closure";
+        case 1001: 
+            return "Going away";
+        case 1002: 
+            return "Protocol error";
+        case 1003: 
+            return "Unacceptable data";
+        case 1004: 
+            return "Reserved";
+        case 1005: 
+            return "No status received";
+        case 1006: 
+            return "Abnormal closure";
+        case 1007: 
+            return "Invalid message data";
+        case 1008: 
+            return "Policy Violation";
+        case 1009: 
+            return "Message too large";
+        case 1010: 
+            return "Missing required extensions";
+        case 1011: 
+            return "Internal server error";
+        default:
+            return "Unknown";
+    }
+}
+
+std::string zsutil::to_hex(const std::string& input) {
+    std::string output;
+    std::string hex = "0123456789ABCDEF";
+    
+    for (size_t i = 0; i < input.size(); i++) {
+        output += hex[(input[i] & 0xF0) >> 4];
+        output += hex[input[i] & 0x0F];
+        output += " ";
+    }
+    
+    return output;
+}
+
+std::string zsutil::to_hex(const char* input,size_t length) {
+    std::string output;
+    std::string hex = "0123456789ABCDEF";
+    
+    for (size_t i = 0; i < length; i++) {
+        output += hex[(input[i] & 0xF0) >> 4];
+        output += hex[input[i] & 0x0F];
+        output += " ";
+    }
+    
+    return output;
+}