1 #ifndef TRANSPORT_INTERNAL_H
2 #define TRANSPORT_INTERNAL_H
7 struct transport_ls_refs_options;
9 struct transport_vtable {
11 * Returns 0 if successful, positive if the option is not
12 * recognized or is inapplicable, and negative if the option
13 * is applicable but the value is invalid.
15 int (*set_option)(struct transport *connection, const char *name,
18 * Returns a list of the remote side's refs. In order to allow
19 * the transport to try to share connections, for_push is a
20 * hint as to whether the ultimate operation is a push or a fetch.
22 * If the transport is able to determine the remote hash for
23 * the ref without a huge amount of effort, it should store it
24 * in the ref's old_sha1 field; otherwise it should be all 0.
26 struct ref *(*get_refs_list)(struct transport *transport, int for_push,
27 struct transport_ls_refs_options *transport_options);
30 * Fetch the objects for the given refs. Note that this gets
31 * an array, and should ignore the list structure.
33 * If the transport did not get hashes for refs in
34 * get_refs_list(), it should set the old_sha1 fields in the
37 int (*fetch)(struct transport *transport, int refs_nr, struct ref **refs);
40 * Push the objects and refs. Send the necessary objects, and
41 * then, for any refs where peer_ref is set and
42 * peer_ref->new_oid is different from old_oid, tell the
43 * remote side to update each ref in the list from old_oid to
46 * Where possible, set the status for each ref appropriately.
48 * The transport must modify new_sha1 in the ref to the new
49 * value if the remote accepted the change. Note that this
50 * could be a different value from peer_ref->new_oid if the
51 * process involved generating new commits.
53 int (*push_refs)(struct transport *transport, struct ref *refs, int flags);
54 int (*connect)(struct transport *connection, const char *name,
55 const char *executable, int fd[2]);
57 /** get_refs_list(), fetch(), and push_refs() can keep
58 * resources (such as a connection) reserved for further
59 * use. disconnect() releases these resources.
61 int (*disconnect)(struct transport *connection);