diff options
Diffstat (limited to 'src/net.cpp')
-rw-r--r-- | src/net.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/net.cpp b/src/net.cpp index 19358dd5b7..db914096f8 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -689,6 +689,33 @@ bool CNode::ReceiveMsgBytes(const char *pch, unsigned int nBytes, bool& complete return true; } +void CNode::SetSendVersion(int nVersionIn) +{ + // Send version may only be changed in the version message, and + // only one version message is allowed per session. We can therefore + // treat this value as const and even atomic as long as it's only used + // once a version message has been successfully processed. Any attempt to + // set this twice is an error. + if (nSendVersion != 0) { + error("Send version already set for node: %i. Refusing to change from %i to %i", id, nSendVersion, nVersionIn); + } else { + nSendVersion = nVersionIn; + } +} + +int CNode::GetSendVersion() const +{ + // The send version should always be explicitly set to + // INIT_PROTO_VERSION rather than using this value until SetSendVersion + // has been called. + if (nSendVersion == 0) { + error("Requesting unset send version for node: %i. Using %i", id, INIT_PROTO_VERSION); + return INIT_PROTO_VERSION; + } + return nSendVersion; +} + + int CNetMessage::readHeader(const char *pch, unsigned int nBytes) { // copy data to temporary parsing buffer |