| #ifndef PROTOCOL_H |
| #define PROTOCOL_H |
| |
| enum protocol_version { |
| protocol_unknown_version = -1, |
| protocol_v0 = 0, |
| protocol_v1 = 1, |
| protocol_v2 = 2, |
| }; |
| |
| /* |
| * Used by a client to determine which protocol version to request be used when |
| * communicating with a server, reflecting the configured value of the |
| * 'protocol.version' config. If unconfigured, a value of 'protocol_v0' is |
| * returned. |
| */ |
| extern enum protocol_version get_protocol_version_config(void); |
| |
| /* |
| * Used by a server to determine which protocol version should be used based on |
| * a client's request, communicated via the 'GIT_PROTOCOL' environment variable |
| * by setting appropriate values for the key 'version'. If a client doesn't |
| * request a particular protocol version, a default of 'protocol_v0' will be |
| * used. |
| */ |
| extern enum protocol_version determine_protocol_version_server(void); |
| |
| /* |
| * Used by a client to determine which protocol version the server is speaking |
| * based on the server's initial response. |
| */ |
| extern enum protocol_version determine_protocol_version_client(const char *server_response); |
| |
| #endif /* PROTOCOL_H */ |
