1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/*
* 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.
*/
#ifndef INCLUDE_transports_smart_h__
#define INCLUDE_transports_smart_h__
#include "common.h"
#include "git2.h"
#include "vector.h"
#include "netops.h"
#include "buffer.h"
#include "push.h"
#include "git2/sys/transport.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_MULTI_ACK_DETAILED "multi_ack_detailed"
#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"
#define GIT_CAP_THIN_PACK "thin-pack"
#define GIT_CAP_SYMREF "symref"
extern bool git_smart__ofs_delta_enabled;
typedef enum {
GIT_PKT_CMD,
GIT_PKT_FLUSH,
GIT_PKT_REF,
GIT_PKT_HAVE,
GIT_PKT_ACK,
GIT_PKT_NAK,
GIT_PKT_COMMENT,
GIT_PKT_ERR,
GIT_PKT_DATA,
GIT_PKT_PROGRESS,
GIT_PKT_OK,
GIT_PKT_NG,
GIT_PKT_UNPACK,
} git_pkt_type;
/* Used for multi_ack and multi_ack_detailed */
enum git_ack_status {
GIT_ACK_NONE,
GIT_ACK_CONTINUE,
GIT_ACK_COMMON,
GIT_ACK_READY
};
/* This would be a flush pkt */
typedef struct {
git_pkt_type type;
} git_pkt;
struct git_pkt_cmd {
git_pkt_type type;
char *cmd;
char *path;
char *host;
};
/* This is a pkt-line with some info in it */
typedef struct {
git_pkt_type type;
git_remote_head head;
char *capabilities;
} git_pkt_ref;
/* Useful later */
typedef struct {
git_pkt_type type;
git_oid oid;
enum git_ack_status status;
} git_pkt_ack;
typedef struct {
git_pkt_type type;
char comment[GIT_FLEX_ARRAY];
} git_pkt_comment;
typedef struct {
git_pkt_type type;
int len;
char data[GIT_FLEX_ARRAY];
} git_pkt_data;
typedef git_pkt_data git_pkt_progress;
typedef struct {
git_pkt_type type;
int len;
char error[GIT_FLEX_ARRAY];
} git_pkt_err;
typedef struct {
git_pkt_type type;
char *ref;
} git_pkt_ok;
typedef struct {
git_pkt_type type;
char *ref;
char *msg;
} git_pkt_ng;
typedef struct {
git_pkt_type type;
int unpack_ok;
} git_pkt_unpack;
typedef struct transport_smart_caps {
int common:1,
ofs_delta:1,
multi_ack: 1,
multi_ack_detailed: 1,
side_band:1,
side_band_64k:1,
include_tag:1,
delete_refs:1,
report_status:1,
thin_pack:1;
} transport_smart_caps;
typedef int (*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;
git_proxy_options proxy;
int direction;
int flags;
git_transport_message_cb progress_cb;
git_transport_message_cb error_cb;
git_transport_certificate_check_cb certificate_check_cb;
void *message_cb_payload;
git_strarray custom_headers;
git_smart_subtransport *wrapped;
git_smart_subtransport_stream *current_stream;
transport_smart_caps caps;
git_vector refs;
git_vector heads;
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, git_vector *symrefs);
int git_smart__push(git_transport *transport, git_push *push, const git_remote_callbacks *cbs);
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_cb 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);
int git_smart__update_heads(transport_smart *t, git_vector *symrefs);
/* 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);
#endif
|
