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Diffstat (limited to 'src/transports/smart.h')
-rw-r--r-- | src/transports/smart.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/transports/smart.h b/src/transports/smart.h new file mode 100644 index 000000000..c52401a3c --- /dev/null +++ b/src/transports/smart.h @@ -0,0 +1,179 @@ +/* + * Copyright (C) the libgit2 contributors. All rights reserved. + * + * This file is part of libgit2, distributed under the GNU GPL v2 with + * a Linking Exception. For full terms see the included COPYING file. + */ +#include "git2.h" +#include "vector.h" +#include "netops.h" +#include "buffer.h" +#include "push.h" + +#define GIT_SIDE_BAND_DATA 1 +#define GIT_SIDE_BAND_PROGRESS 2 +#define GIT_SIDE_BAND_ERROR 3 + +#define GIT_CAP_OFS_DELTA "ofs-delta" +#define GIT_CAP_MULTI_ACK "multi_ack" +#define GIT_CAP_SIDE_BAND "side-band" +#define GIT_CAP_SIDE_BAND_64K "side-band-64k" +#define GIT_CAP_INCLUDE_TAG "include-tag" +#define GIT_CAP_DELETE_REFS "delete-refs" +#define GIT_CAP_REPORT_STATUS "report-status" + +enum git_pkt_type { + GIT_PKT_CMD, + GIT_PKT_FLUSH, + GIT_PKT_REF, + GIT_PKT_HAVE, + GIT_PKT_ACK, + GIT_PKT_NAK, + GIT_PKT_PACK, + GIT_PKT_COMMENT, + GIT_PKT_ERR, + GIT_PKT_DATA, + GIT_PKT_PROGRESS, + GIT_PKT_OK, + GIT_PKT_NG, + GIT_PKT_UNPACK, +}; + +/* Used for multi-ack */ +enum git_ack_status { + GIT_ACK_NONE, + GIT_ACK_CONTINUE, + GIT_ACK_COMMON, + GIT_ACK_READY +}; + +/* This would be a flush pkt */ +typedef struct { + enum git_pkt_type type; +} git_pkt; + +struct git_pkt_cmd { + enum git_pkt_type type; + char *cmd; + char *path; + char *host; +}; + +/* This is a pkt-line with some info in it */ +typedef struct { + enum git_pkt_type type; + git_remote_head head; + char *capabilities; +} git_pkt_ref; + +/* Useful later */ +typedef struct { + enum git_pkt_type type; + git_oid oid; + enum git_ack_status status; +} git_pkt_ack; + +typedef struct { + enum git_pkt_type type; + char comment[GIT_FLEX_ARRAY]; +} git_pkt_comment; + +typedef struct { + enum git_pkt_type type; + int len; + char data[GIT_FLEX_ARRAY]; +} git_pkt_data; + +typedef git_pkt_data git_pkt_progress; + +typedef struct { + enum git_pkt_type type; + int len; + char error[GIT_FLEX_ARRAY]; +} git_pkt_err; + +typedef struct { + enum git_pkt_type type; + char *ref; +} git_pkt_ok; + +typedef struct { + enum git_pkt_type type; + char *ref; + char *msg; +} git_pkt_ng; + +typedef struct { + enum git_pkt_type type; + int unpack_ok; +} git_pkt_unpack; + +typedef struct transport_smart_caps { + int common:1, + ofs_delta:1, + multi_ack: 1, + side_band:1, + side_band_64k:1, + include_tag:1, + delete_refs:1, + report_status:1; +} transport_smart_caps; + +typedef void (*packetsize_cb)(size_t received, void *payload); + +typedef struct { + git_transport parent; + git_remote *owner; + char *url; + git_cred_acquire_cb cred_acquire_cb; + void *cred_acquire_payload; + int direction; + int flags; + git_transport_message_cb progress_cb; + git_transport_message_cb error_cb; + void *message_cb_payload; + git_smart_subtransport *wrapped; + git_smart_subtransport_stream *current_stream; + transport_smart_caps caps; + git_vector refs; + git_vector common; + git_atomic cancelled; + packetsize_cb packetsize_cb; + void *packetsize_payload; + unsigned rpc : 1, + have_refs : 1, + connected : 1; + gitno_buffer buffer; + char buffer_data[65536]; +} transport_smart; + +/* smart_protocol.c */ +int git_smart__store_refs(transport_smart *t, int flushes); +int git_smart__detect_caps(git_pkt_ref *pkt, transport_smart_caps *caps); +int git_smart__push(git_transport *transport, git_push *push); + +int git_smart__negotiate_fetch( + git_transport *transport, + git_repository *repo, + const git_remote_head * const *refs, + size_t count); + +int git_smart__download_pack( + git_transport *transport, + git_repository *repo, + git_transfer_progress *stats, + git_transfer_progress_callback progress_cb, + void *progress_payload); + +/* smart.c */ +int git_smart__negotiation_step(git_transport *transport, void *data, size_t len); +int git_smart__get_push_stream(transport_smart *t, git_smart_subtransport_stream **out); + +/* smart_pkt.c */ +int git_pkt_parse_line(git_pkt **head, const char *line, const char **out, size_t len); +int git_pkt_buffer_flush(git_buf *buf); +int git_pkt_send_flush(GIT_SOCKET s); +int git_pkt_buffer_done(git_buf *buf); +int git_pkt_buffer_wants(const git_remote_head * const *refs, size_t count, transport_smart_caps *caps, git_buf *buf); +int git_pkt_buffer_have(git_oid *oid, git_buf *buf); +void git_pkt_free(git_pkt *pkt); |