Masking: Use common constants

- Response related constants moved from ComPacket to ComResponse
- Constants defined using defines from .../maxscale/protocol/mysql.h

server/modules/filter/masking/maskingfiltersession.cc

@@ -126,9 +126,9 @@ void MaskingFilterSession::handle_response(GWBUF* pPacket)
 
     switch (response.type())
     {
-    case ComPacket::OK_PACKET: // OK
+    case ComResponse::OK_PACKET:
-    // We'll end up here also in the case of a multi-result.
+        // We'll end up here also in the case of a multi-result.
-    case 0xfb: // GET_MORE_CLIENT_DATA/SEND_MORE_CLIENT_DATA
+    case ComResponse::LOCAL_INFILE_PACKET: // GET_MORE_CLIENT_DATA/SEND_MORE_CLIENT_DATA
         m_state = EXPECTING_NOTHING;
         break;
 
@@ -219,7 +219,7 @@ void MaskingFilterSession::handle_row(GWBUF* pPacket)
     ComPacket response(pPacket);
 
     if ((response.payload_len() == ComEOF::PAYLOAD_LEN) &&
-        (ComResponse(response).type() == ComPacket::EOF_PACKET))
+        (ComResponse(response).type() == ComResponse::EOF_PACKET))
     {
         // EOF after last row.
         ComEOF eof(response);

server/modules/filter/masking/mysql.hh

@@ -481,13 +481,6 @@ inline LEncString::iterator operator - (const LEncString::iterator& it, ptrdiff_
 class ComPacket
 {
 public:
-    enum
-    {
-        OK_PACKET  = 0x00,
-        EOF_PACKET = 0xfe,
-        ERR_PACKET = 0xff,
-    };
-
     enum
     {
         MAX_PAYLOAD_LEN = 0xffffff
@@ -544,6 +537,14 @@ private:
 class ComResponse : public ComPacket
 {
 public:
+    enum
+    {
+        OK_PACKET           = MYSQL_REPLY_OK,          // 0x00
+        EOF_PACKET          = MYSQL_REPLY_EOF,         // 0xfe
+        ERR_PACKET          = MYSQL_REPLY_ERR,         // 0xff
+        LOCAL_INFILE_PACKET = MYSQL_REPLY_LOCAL_INFILE // 0xfb
+    };
+
     ComResponse(GWBUF* pPacket)
         : ComPacket(pPacket)
         , m_type(*m_pData)
@@ -574,17 +575,17 @@ public:
 
     bool is_ok() const
     {
-        return m_type == ComPacket::OK_PACKET;
+        return m_type == ComResponse::OK_PACKET;
     }
 
     bool is_eof() const
     {
-        return m_type == ComPacket::EOF_PACKET;
+        return m_type == ComResponse::EOF_PACKET;
     }
 
     bool is_err() const
     {
-        return m_type == ComPacket::ERR_PACKET;
+        return m_type == ComResponse::ERR_PACKET;
     }
 
 protected: