Merge branch 'master' of github.com:novacoin-project/novacoin

[novacoin.git] / src / protocol.h

diff --git a/src/protocol.h b/src/protocol.h
index b5baeb2..fcc8c9e 100644 (file)
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifndef __cplusplus
 # error This header can only be compiled as C++.
@@ -11,17 +11,26 @@
 #define __INCLUDED_PROTOCOL_H__
 
 #include "serialize.h"
+#include "netbase.h"
 #include <string>
+#include <limits>
+#include "uint256.h"
+
+extern bool fTestNet;
+inline unsigned short GetDefaultPort()
+{
+    return static_cast<unsigned short>(fTestNet ? 17777 : 7777);
+}
 
-//
-// Message header
-//  (4) message start
-//  (12) command
-//  (4) size
-//  (4) checksum
 
 extern unsigned char pchMessageStart[4];
 
+/** Message header.
+ * (4) message start.
+ * (12) command.
+ * (4) size.
+ * (4) checksum.
+ */
 class CMessageHeader
 {
     public:
@@ -36,17 +45,89 @@ class CMessageHeader
              READWRITE(FLATDATA(pchMessageStart));
              READWRITE(FLATDATA(pchCommand));
              READWRITE(nMessageSize);
-             if (nVersion >= 209)
              READWRITE(nChecksum);
             )
 
     // TODO: make private (improves encapsulation)
     public:
-        enum { COMMAND_SIZE=12 };
-        char pchMessageStart[sizeof(::pchMessageStart)];
+        enum {
+            MESSAGE_START_SIZE=sizeof(::pchMessageStart),
+            COMMAND_SIZE=12,
+            MESSAGE_SIZE_SIZE=sizeof(int),
+            CHECKSUM_SIZE=sizeof(int),
+
+            MESSAGE_SIZE_OFFSET=MESSAGE_START_SIZE+COMMAND_SIZE,
+            CHECKSUM_OFFSET=MESSAGE_SIZE_OFFSET+MESSAGE_SIZE_SIZE
+        };
+        char pchMessageStart[MESSAGE_START_SIZE];
         char pchCommand[COMMAND_SIZE];
         unsigned int nMessageSize;
         unsigned int nChecksum;
 };
 
+/** nServices flags */
+enum
+{
+    NODE_NETWORK = (1 << 0)
+};
+
+/** A CService with information about it as peer */
+class CAddress : public CService
+{
+    public:
+        CAddress();
+        explicit CAddress(CService ipIn, uint64_t nServicesIn=NODE_NETWORK);
+
+        IMPLEMENT_SERIALIZE
+            (
+             CAddress* pthis = const_cast<CAddress*>(this);
+             CService* pip = (CService*)pthis;
+             if (fRead)
+                 pthis->Init();
+             if (nType & SER_DISK)
+                 READWRITE(nVersion);
+             if ((nType & SER_DISK) ||
+                 (nVersion >= CADDR_TIME_VERSION && !(nType & SER_GETHASH)))
+                 READWRITE(nTime);
+             READWRITE(nServices);
+             READWRITE(*pip);
+            )
+
+    // TODO: make private (improves encapsulation)
+    public:
+        uint64_t nServices;
+
+        // disk and network only
+        unsigned int nTime;
+
+        // memory only
+        int64_t nLastTry;
+};
+
+/** inv message data */
+class CInv
+{
+    public:
+        CInv();
+        CInv(int typeIn, const uint256& hashIn);
+        CInv(const std::string& strType, const uint256& hashIn);
+
+        IMPLEMENT_SERIALIZE
+        (
+            READWRITE(type);
+            READWRITE(hash);
+        )
+
+        friend bool operator<(const CInv& a, const CInv& b);
+
+        bool IsKnownType() const;
+        const char* GetCommand() const;
+        std::string ToString() const;
+
+    // TODO: make private (improves encapsulation)
+    public:
+        int type;
+        uint256 hash;
+};
+
 #endif // __INCLUDED_PROTOCOL_H__