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
|
#ifndef _PATH_H_
#define _PATH_H_
#include <limits.h>
#include <fcntl.h>
#include <dirent.h>
#include <sys/stat.h>
#include <list.h>
#include <atomic.h>
#include <ssh.h>
struct path {
struct list_head list; /* mscp->path_list */
char path[PATH_MAX]; /* file path */
size_t size; /* size of file on this path */
mode_t mode; /* permission */
char dst_path[PATH_MAX]; /* copy dst path */
int state;
lock lock;
refcnt refcnt;
};
#define FILE_STATE_INIT 0
#define FILE_STATE_OPENED 1
#define FILE_STATE_DONE 2
struct chunk {
struct list_head list; /* mscp->chunk_list */
struct path *p;
size_t off; /* offset of this chunk on the file on path p */
size_t len; /* length of this chunk */
size_t done; /* copied bytes for this chunk by a thread */
};
/* recursivly walk through src_path and fill path_list for each file */
int walk_src_path(sftp_session sftp, const char *src_path, struct list_head *path_list);
/* fill path->dst_path for all files */
int resolve_dst_path(sftp_session sftp, const char *src_path, const char *dst_path,
struct list_head *path_list,
bool src_path_is_dir, bool dst_path_is_dir);
/* prepare chunk_list for files in the path_list */
int prepare_chunk(struct list_head *path_list, struct list_head *chunk_list,
int nr_conn, int min_chunk_sz, int max_chunk_sz);
/* just print contents. just for debugging */
void path_dump(struct list_head *path_list);
void chunk_dump(struct list_head *chunk_list);
/* wrap DIR/dirent and sftp_dir/sftp_attribute. not thread safe */
struct mscp_dir {
DIR *l;
sftp_dir r;
sftp_session sftp;
};
typedef struct mscp_dir mdir;
struct mscp_dirent {
struct dirent *l;
sftp_attributes r;
};
typedef struct mscp_dirent mdirent;
#define mdirent_name(e) ((e->l) ? e->l->d_name : e->r->name)
#define mdirent_is_dir(e) ((e->l) ? \
(e->l->d_type == DT_DIR) : \
(e->r->type == SSH_FILEXFER_TYPE_DIRECTORY))
#define mdirent_is_null(e) (e->l == NULL && e->r == NULL)
static mdir *mscp_opendir(const char *path, sftp_session sftp)
{
mdir *d;
if (!(d = malloc(sizeof(*d))))
return NULL;
memset(d, 0, sizeof(*d));
d->sftp = sftp;
if (sftp) {
d->r = sftp_opendir(sftp, path);
if (!d->r) {
pr_err("sftp_opendir: %s: %s\n", path, sftp_get_ssh_error(sftp));
free(d);
return NULL;
}
} else {
d->l = opendir(path);
if (!d->l) {
pr_err("opendir: %s: %s\n", path, strerrno());
free(d);
return NULL;
}
}
return d;
}
static int mscp_closedir(mdir *d)
{
int ret;
if (d->r)
ret = sftp_closedir(d->r);
else
ret = closedir(d->l);
free(d);
return ret;
}
static mdirent *mscp_readdir(mdir *d)
{
static mdirent e;
memset(&e, 0, sizeof(e));
if (d->r)
e.r = sftp_readdir(d->sftp, d->r);
else
e.l = readdir(d->l);
return &e;
}
/* warp stat/sftp_stat */
struct mscp_stat {
struct stat l;
sftp_attributes r;
};
typedef struct mscp_stat mstat;
static int mscp_stat(const char *path, mstat *s, sftp_session sftp)
{
memset(s, 0, sizeof(*s));
if (sftp) {
s->r = sftp_stat(sftp, path);
if (!s->r)
return -1;
} else {
if (stat(path, &s->l) < 0)
return -1;
}
return 0;
}
static const char *mscp_stat_strerror(sftp_session sftp)
{
if (sftp)
return sftp_get_ssh_error(sftp);
return strerrno();
}
static int mscp_stat_check_err_noent(sftp_session sftp)
{
if (sftp) {
if (sftp_get_error(sftp) == SSH_FX_NO_SUCH_PATH ||
sftp_get_error(sftp) == SSH_FX_NO_SUCH_FILE)
return 0;
} else {
if (errno == ENOENT)
return 0;
}
return -1;
}
static void mscp_stat_free(mstat s) {
if (s.r)
sftp_attributes_free(s.r);
}
#define mstat_size(s) ((s.r) ? s.r->size : s.l.st_size)
#define mstat_mode(s) ((s.r) ? \
s.r->permissions : \
s.l.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO))
#define mstat_is_regular(s) ((s.r) ? \
(s.r->type == SSH_FILEXFER_TYPE_REGULAR) : \
S_ISREG(s.l.st_mode))
#define mstat_is_dir(s) ((s.r) ? \
(s.r->type == SSH_FILEXFER_TYPE_DIRECTORY) : \
S_ISDIR(s.l.st_mode))
#endif /* _PATH_H_ */
|
