Added socket lib strict mode spool, used in WebSocket::readFrame

lib/socket.cpp

@@ -932,9 +932,9 @@ uint64_t Socket::Connection::dataDown(){
 
 /// Updates the downbuffer internal variable.
 /// Returns true if new data was received, false otherwise.
-bool Socket::Connection::spool(){
+bool Socket::Connection::spool(bool strictMode){
   /// \todo Provide better mechanism to prevent overbuffering.
-  if (downbuffer.size() > 10000){
+  if (!strictMode && downbuffer.size() > 10000){
     return true;
   }else{
     return iread(downbuffer);

lib/socket.h

@@ -139,7 +139,7 @@ namespace Socket{
     bool isAddress(const std::string &addr);
     bool isLocal(); ///< Returns true if remote address is a local address.
     // buffered i/o methods
-    bool spool();                   ///< Updates the downbufferinternal variables.
+    bool spool(bool strictMode = false);                   ///< Updates the downbufferinternal variables.
     bool peek();                    ///< Clears the downbuffer and fills it with peek
     Buffer &Received();             ///< Returns a reference to the download buffer.
     const Buffer &Received() const; ///< Returns a reference to the download buffer.

lib/websocket.cpp

@@ -130,7 +130,7 @@ namespace HTTP{
     while (true){
       // Check if we can receive the minimum frame size (2 header bytes, 0 payload)
       if (!C.Received().available(2)){
-        if (C.spool()){continue;}
+        if (C.spool(true)){continue;}
         return false;
       }
       std::string head = C.Received().copy(2);
@@ -141,7 +141,7 @@ namespace HTTP{
       if (headSize > 2){
         // Check if we can receive the whole header
         if (!C.Received().available(headSize)){
-          if (C.spool()){continue;}
+          if (C.spool(true)){continue;}
           return false;
         }
         // Read entire header, re-read real payload length
@@ -154,7 +154,7 @@ namespace HTTP{
       }
       // Check if we can receive the whole frame (header + payload)
       if (!C.Received().available(headSize + payLen)){
-        if (C.spool()){continue;}
+        if (C.spool(true)){continue;}
         return false;
       }
       C.Received().remove(headSize); // delete the header