src/pkt.h

   1 /*
   2  * Copyright (C) 2009-2011 the libgit2 contributors
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7
   8 #ifndef INCLUDE_pkt_h__
   9 #define INCLUDE_pkt_h__
  10
  11 #include "common.h"
  12 #include "transport.h"
  13 #include "git2/net.h"
  14
  15 enum git_pkt_type {
  16         GIT_PKT_CMD,
  17         GIT_PKT_FLUSH,
  18         GIT_PKT_REF,
  19         GIT_PKT_HAVE,
  20         GIT_PKT_ACK,
  21         GIT_PKT_NAK,
  22         GIT_PKT_PACK,
  23 };
  24
  25 /* Used for multi-ack */
  26 enum git_ack_status {
  27         GIT_ACK_NONE,
  28         GIT_ACK_CONTINUE,
  29         GIT_ACK_COMMON,
  30         GIT_ACK_READY
  31 };
  32
  33 /* This would be a flush pkt */
  34 typedef struct {
  35         enum git_pkt_type type;
  36 } git_pkt;
  37
  38 struct git_pkt_cmd {
  39         enum git_pkt_type type;
  40         char *cmd;
  41         char *path;
  42         char *host;
  43 };
  44
  45 /* This is a pkt-line with some info in it */
  46 typedef struct {
  47         enum git_pkt_type type;
  48         git_remote_head head;
  49         char *capabilities;
  50 } git_pkt_ref;
  51
  52 /* Useful later */
  53 typedef struct {
  54         enum git_pkt_type type;
  55         git_oid oid;
  56         enum git_ack_status status;
  57 } git_pkt_ack;
  58
  59 int git_pkt_parse_line(git_pkt **head, const char *line, const char **out, size_t len);
  60 int git_pkt_send_flush(int s);
  61 int git_pkt_send_done(int s);
  62 int git_pkt_send_wants(git_headarray *refs, git_transport_caps *caps, int fd);
  63 int git_pkt_send_have(git_oid *oid, int fd);
  64 void git_pkt_free(git_pkt *pkt);
  65
  66 #endif