Performance improvements. Removed the following deprecated functions from Socket::Connection class: flush(), Send(*)

lib/http_parser.cpp

@@ -545,19 +545,24 @@ void HTTP::Parser::Chunkify(std::string & bodypart, Socket::Connection & conn) {
 /// \param size The size of the data to send.
 /// \param conn The connection to use for sending.
 void HTTP::Parser::Chunkify(const char * data, unsigned int size, Socket::Connection & conn) {
+  static char hexa[] = "0123456789abcdef";
   if (protocol == "HTTP/1.1") {
-    char len[10];
-    int sizelen = snprintf(len, 10, "%x\r\n", size);
     //prepend the chunk size and \r\n
-    conn.SendNow(len, sizelen);
+    if (!size){
+      conn.SendNow("0\r\n\r\n\r\n", 7);
+    }
+    size_t offset = 8;
+    unsigned int t_size = size;
+    char len[] = "\000\000\000\000\000\000\0000\r\n";
+    while (t_size && offset < 9){
+      len[--offset] = hexa[t_size & 0xf];
+      t_size >>= 4;
+    }
+    conn.SendNow(len+offset, 10-offset);
     //send the chunk itself
     conn.SendNow(data, size);
     //append \r\n
     conn.SendNow("\r\n", 2);
-    if (!size) {
-      //append \r\n again if this was the end of the file (required by chunked transfer encoding according to spec)
-      conn.SendNow("\r\n", 2);
-    }
   } else {
     //just send the chunk itself
     conn.SendNow(data, size);