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Set up minimum protocol version

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Change-Id: Ibb931109a8328cfb22964542ab53644cc4181f9e
This commit is contained in:
Jade Lovelace 2024-05-24 20:45:05 -06:00
parent 6c541e0bef
commit a17282fc66
1 changed files with 9 additions and 0 deletions
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9
src/libstore/worker-protocol.hh
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@ -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)