protocol.h

   1 #ifndef PROTOCOL_H
   2 #define PROTOCOL_H
   3
   4 enum protocol_version {
   5         protocol_unknown_version = -1,
   6         protocol_v0 = 0,
   7         protocol_v1 = 1,
   8 };
   9
  10 /*
  11  * Used by a client to determine which protocol version to request be used when
  12  * communicating with a server, reflecting the configured value of the
  13  * 'protocol.version' config.  If unconfigured, a value of 'protocol_v0' is
  14  * returned.
  15  */
  16 extern enum protocol_version get_protocol_version_config(void);
  17
  18 /*
  19  * Used by a server to determine which protocol version should be used based on
  20  * a client's request, communicated via the 'GIT_PROTOCOL' environment variable
  21  * by setting appropriate values for the key 'version'.  If a client doesn't
  22  * request a particular protocol version, a default of 'protocol_v0' will be
  23  * used.
  24  */
  25 extern enum protocol_version determine_protocol_version_server(void);
  26
  27 /*
  28  * Used by a client to determine which protocol version the server is speaking
  29  * based on the server's initial response.
  30  */
  31 extern enum protocol_version determine_protocol_version_client(const char *server_response);
  32
  33 #endif /* PROTOCOL_H */