76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
#ifndef TRANSPORT_INTERNAL_H
|
|
#define TRANSPORT_INTERNAL_H
|
|
|
|
struct ref;
|
|
struct transport;
|
|
struct argv_array;
|
|
|
|
struct transport_vtable {
|
|
/**
|
|
* This transport supports the fetch() function being called
|
|
* without get_refs_list() first being called.
|
|
*/
|
|
unsigned fetch_without_list : 1;
|
|
|
|
/**
|
|
* Returns 0 if successful, positive if the option is not
|
|
* recognized or is inapplicable, and negative if the option
|
|
* is applicable but the value is invalid.
|
|
**/
|
|
int (*set_option)(struct transport *connection, const char *name,
|
|
const char *value);
|
|
/**
|
|
* Returns a list of the remote side's refs. In order to allow
|
|
* the transport to try to share connections, for_push is a
|
|
* hint as to whether the ultimate operation is a push or a fetch.
|
|
*
|
|
* If communicating using protocol v2 a list of prefixes can be
|
|
* provided to be sent to the server to enable it to limit the ref
|
|
* advertisement. Since ref filtering is done on the server's end, and
|
|
* only when using protocol v2, this list will be ignored when not
|
|
* using protocol v2 meaning this function can return refs which don't
|
|
* match the provided ref_prefixes.
|
|
*
|
|
* If the transport is able to determine the remote hash for
|
|
* the ref without a huge amount of effort, it should store it
|
|
* in the ref's old_sha1 field; otherwise it should be all 0.
|
|
**/
|
|
struct ref *(*get_refs_list)(struct transport *transport, int for_push,
|
|
const struct argv_array *ref_prefixes);
|
|
|
|
/**
|
|
* Fetch the objects for the given refs. Note that this gets
|
|
* an array, and should ignore the list structure.
|
|
*
|
|
* If the transport did not get hashes for refs in
|
|
* get_refs_list(), it should set the old_sha1 fields in the
|
|
* provided refs now.
|
|
**/
|
|
int (*fetch)(struct transport *transport, int refs_nr, struct ref **refs);
|
|
|
|
/**
|
|
* Push the objects and refs. Send the necessary objects, and
|
|
* then, for any refs where peer_ref is set and
|
|
* peer_ref->new_oid is different from old_oid, tell the
|
|
* remote side to update each ref in the list from old_oid to
|
|
* peer_ref->new_oid.
|
|
*
|
|
* Where possible, set the status for each ref appropriately.
|
|
*
|
|
* The transport must modify new_sha1 in the ref to the new
|
|
* value if the remote accepted the change. Note that this
|
|
* could be a different value from peer_ref->new_oid if the
|
|
* process involved generating new commits.
|
|
**/
|
|
int (*push_refs)(struct transport *transport, struct ref *refs, int flags);
|
|
int (*connect)(struct transport *connection, const char *name,
|
|
const char *executable, int fd[2]);
|
|
|
|
/** get_refs_list(), fetch(), and push_refs() can keep
|
|
* resources (such as a connection) reserved for further
|
|
* use. disconnect() releases these resources.
|
|
**/
|
|
int (*disconnect)(struct transport *connection);
|
|
};
|
|
|
|
#endif
|