diff options
Diffstat (limited to 'src/libstore/worker-protocol.hh')
| -rw-r--r-- | src/libstore/worker-protocol.hh | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/libstore/worker-protocol.hh b/src/libstore/worker-protocol.hh index dcd54ad16..5f24c189f 100644 --- a/src/libstore/worker-protocol.hh +++ b/src/libstore/worker-protocol.hh @@ -9,7 +9,16 @@ namespace nix { #define WORKER_MAGIC_1 0x6e697863 #define WORKER_MAGIC_2 0x6478696f +// This must remain 1.35 (Nix 2.18) forever in Lix, since the protocol has +// diverged in CppNix such that we cannot assign newer versions ourselves, the +// protocol is bad in design and implementation and Lix intends to replace it +// entirely. #define PROTOCOL_VERSION (1 << 8 | 35) +// Nix 2.3 is protocol 1.21 (see RemoteStore::initConnection for client, +// processConnection for server). +#define MIN_SUPPORTED_MINOR_WORKER_PROTO_VERSION 21 +#define MIN_SUPPORTED_WORKER_PROTO_VERSION (1 << 8 | MIN_SUPPORTED_MINOR_WORKER_PROTO_VERSION) + #define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00) #define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff) @@ -63,6 +72,10 @@ struct WorkerProto struct ReadConn { Source & from; Version version; + + ReadConn(Source & from, Version version) : from(from), version(version) { + assert(version >= MIN_SUPPORTED_WORKER_PROTO_VERSION); + } }; /** @@ -72,6 +85,10 @@ struct WorkerProto struct WriteConn { Sink & to; Version version; + + WriteConn(Sink & to, Version version) : to(to), version(version) { + assert(version >= MIN_SUPPORTED_WORKER_PROTO_VERSION); + } }; /** |