diff options
Diffstat (limited to 'src/protocol.h')
| -rw-r--r-- | src/protocol.h | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/src/protocol.h b/src/protocol.h index 1bc1c25b37..d19e0d3a5e 100644 --- a/src/protocol.h +++ b/src/protocol.h @@ -18,8 +18,6 @@ #include <stdint.h> #include <string> -#define MESSAGE_START_SIZE 4 - /** Message header. * (4) message start. * (12) command. @@ -29,6 +27,16 @@ class CMessageHeader { public: + enum { + MESSAGE_START_SIZE = 4, + COMMAND_SIZE = 12, + MESSAGE_SIZE_SIZE = 4, + CHECKSUM_SIZE = 4, + + MESSAGE_SIZE_OFFSET = MESSAGE_START_SIZE + COMMAND_SIZE, + CHECKSUM_OFFSET = MESSAGE_SIZE_OFFSET + MESSAGE_SIZE_SIZE, + HEADER_SIZE = MESSAGE_START_SIZE + COMMAND_SIZE + MESSAGE_SIZE_SIZE + CHECKSUM_SIZE + }; typedef unsigned char MessageStartChars[MESSAGE_START_SIZE]; CMessageHeader(const MessageStartChars& pchMessageStartIn); @@ -48,17 +56,6 @@ public: READWRITE(FLATDATA(pchChecksum)); } - // TODO: make private (improves encapsulation) -public: - enum { - COMMAND_SIZE = 12, - MESSAGE_SIZE_SIZE = 4, - CHECKSUM_SIZE = 4, - - MESSAGE_SIZE_OFFSET = MESSAGE_START_SIZE + COMMAND_SIZE, - CHECKSUM_OFFSET = MESSAGE_SIZE_OFFSET + MESSAGE_SIZE_SIZE, - HEADER_SIZE = MESSAGE_START_SIZE + COMMAND_SIZE + MESSAGE_SIZE_SIZE + CHECKSUM_SIZE - }; char pchMessageStart[MESSAGE_START_SIZE]; char pchCommand[COMMAND_SIZE]; uint32_t nMessageSize; @@ -315,20 +312,24 @@ public: unsigned int nTime; }; -/** getdata message types */ +/** getdata message type flags */ const uint32_t MSG_WITNESS_FLAG = 1 << 30; const uint32_t MSG_TYPE_MASK = 0xffffffff >> 2; + +/** getdata / inv message types. + * These numbers are defined by the protocol. When adding a new value, be sure + * to mention it in the respective BIP. + */ enum GetDataMsg { UNDEFINED = 0, - MSG_TX, - MSG_BLOCK, - MSG_TYPE_MAX = MSG_BLOCK, + MSG_TX = 1, + MSG_BLOCK = 2, // The following can only occur in getdata. Invs always use TX or BLOCK. - MSG_FILTERED_BLOCK, - MSG_CMPCT_BLOCK, - MSG_WITNESS_BLOCK = MSG_BLOCK | MSG_WITNESS_FLAG, - MSG_WITNESS_TX = MSG_TX | MSG_WITNESS_FLAG, + MSG_FILTERED_BLOCK = 3, //!< Defined in BIP37 + MSG_CMPCT_BLOCK = 4, //!< Defined in BIP152 + MSG_WITNESS_BLOCK = MSG_BLOCK | MSG_WITNESS_FLAG, //!< Defined in BIP144 + MSG_WITNESS_TX = MSG_TX | MSG_WITNESS_FLAG, //!< Defined in BIP144 MSG_FILTERED_WITNESS_BLOCK = MSG_FILTERED_BLOCK | MSG_WITNESS_FLAG, }; |