FFmpeg 4.2.2
avio_dir_cmd.c
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1/*
2 * Copyright (c) 2014 Lukasz Marek
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 * THE SOFTWARE.
21 */
22
23#include <libavcodec/avcodec.h>
25#include <libavformat/avio.h>
26
27static const char *type_string(int type)
28{
29 switch (type) {
31 return "<DIR>";
32 case AVIO_ENTRY_FILE:
33 return "<FILE>";
35 return "<BLOCK DEVICE>";
37 return "<CHARACTER DEVICE>";
39 return "<PIPE>";
41 return "<LINK>";
43 return "<SOCKET>";
45 return "<SERVER>";
47 return "<SHARE>";
49 return "<WORKGROUP>";
51 default:
52 break;
53 }
54 return "<UNKNOWN>";
55}
56
57static int list_op(const char *input_dir)
58{
59 AVIODirEntry *entry = NULL;
60 AVIODirContext *ctx = NULL;
61 int cnt, ret;
62 char filemode[4], uid_and_gid[20];
63
64 if ((ret = avio_open_dir(&ctx, input_dir, NULL)) < 0) {
65 av_log(NULL, AV_LOG_ERROR, "Cannot open directory: %s.\n", av_err2str(ret));
66 goto fail;
67 }
68
69 cnt = 0;
70 for (;;) {
71 if ((ret = avio_read_dir(ctx, &entry)) < 0) {
72 av_log(NULL, AV_LOG_ERROR, "Cannot list directory: %s.\n", av_err2str(ret));
73 goto fail;
74 }
75 if (!entry)
76 break;
77 if (entry->filemode == -1) {
78 snprintf(filemode, 4, "???");
79 } else {
80 snprintf(filemode, 4, "%3"PRIo64, entry->filemode);
81 }
82 snprintf(uid_and_gid, 20, "%"PRId64"(%"PRId64")", entry->user_id, entry->group_id);
83 if (cnt == 0)
84 av_log(NULL, AV_LOG_INFO, "%-9s %12s %30s %10s %s %16s %16s %16s\n",
85 "TYPE", "SIZE", "NAME", "UID(GID)", "UGO", "MODIFIED",
86 "ACCESSED", "STATUS_CHANGED");
87 av_log(NULL, AV_LOG_INFO, "%-9s %12"PRId64" %30s %10s %s %16"PRId64" %16"PRId64" %16"PRId64"\n",
88 type_string(entry->type),
89 entry->size,
90 entry->name,
91 uid_and_gid,
92 filemode,
94 entry->access_timestamp,
97 cnt++;
98 };
99
100 fail:
101 avio_close_dir(&ctx);
102 return ret;
103}
104
105static int del_op(const char *url)
106{
107 int ret = avpriv_io_delete(url);
108 if (ret < 0)
109 av_log(NULL, AV_LOG_ERROR, "Cannot delete '%s': %s.\n", url, av_err2str(ret));
110 return ret;
111}
112
113static int move_op(const char *src, const char *dst)
114{
115 int ret = avpriv_io_move(src, dst);
116 if (ret < 0)
117 av_log(NULL, AV_LOG_ERROR, "Cannot move '%s' into '%s': %s.\n", src, dst, av_err2str(ret));
118 return ret;
119}
120
121
122static void usage(const char *program_name)
123{
124 fprintf(stderr, "usage: %s OPERATION entry1 [entry2]\n"
125 "API example program to show how to manipulate resources "
126 "accessed through AVIOContext.\n"
127 "OPERATIONS:\n"
128 "list list content of the directory\n"
129 "move rename content in directory\n"
130 "del delete content in directory\n",
131 program_name);
132}
133
134int main(int argc, char *argv[])
135{
136 const char *op = NULL;
137 int ret;
138
140
141 if (argc < 2) {
142 usage(argv[0]);
143 return 1;
144 }
145
147
148 op = argv[1];
149 if (strcmp(op, "list") == 0) {
150 if (argc < 3) {
151 av_log(NULL, AV_LOG_INFO, "Missing argument for list operation.\n");
152 ret = AVERROR(EINVAL);
153 } else {
154 ret = list_op(argv[2]);
155 }
156 } else if (strcmp(op, "del") == 0) {
157 if (argc < 3) {
158 av_log(NULL, AV_LOG_INFO, "Missing argument for del operation.\n");
159 ret = AVERROR(EINVAL);
160 } else {
161 ret = del_op(argv[2]);
162 }
163 } else if (strcmp(op, "move") == 0) {
164 if (argc < 4) {
165 av_log(NULL, AV_LOG_INFO, "Missing argument for move operation.\n");
166 ret = AVERROR(EINVAL);
167 } else {
168 ret = move_op(argv[2], argv[3]);
169 }
170 } else {
171 av_log(NULL, AV_LOG_INFO, "Invalid operation %s\n", op);
172 ret = AVERROR(EINVAL);
173 }
174
176
177 return ret < 0 ? 1 : 0;
178}
Libavcodec external API header.
Main libavformat public API header.
Buffered I/O operations.
int avpriv_io_delete(const char *url)
Delete a resource.
int avio_close_dir(AVIODirContext **s)
Close directory.
int avio_open_dir(AVIODirContext **s, const char *url, AVDictionary **options)
Open directory for reading.
void avio_free_directory_entry(AVIODirEntry **entry)
Free entry allocated by avio_read_dir().
int avio_read_dir(AVIODirContext *s, AVIODirEntry **next)
Get next directory entry.
@ AVIO_ENTRY_UNKNOWN
Definition: avio.h:67
@ AVIO_ENTRY_NAMED_PIPE
Definition: avio.h:71
@ AVIO_ENTRY_WORKGROUP
Definition: avio.h:77
@ AVIO_ENTRY_SERVER
Definition: avio.h:75
@ AVIO_ENTRY_SHARE
Definition: avio.h:76
@ AVIO_ENTRY_BLOCK_DEVICE
Definition: avio.h:68
@ AVIO_ENTRY_SYMBOLIC_LINK
Definition: avio.h:72
@ AVIO_ENTRY_DIRECTORY
Definition: avio.h:70
@ AVIO_ENTRY_CHARACTER_DEVICE
Definition: avio.h:69
@ AVIO_ENTRY_FILE
Definition: avio.h:74
@ AVIO_ENTRY_SOCKET
Definition: avio.h:73
int avpriv_io_move(const char *url_src, const char *url_dst)
Move or rename a resource.
int main(int argc, char *argv[])
Definition: avio_dir_cmd.c:134
static void usage(const char *program_name)
Definition: avio_dir_cmd.c:122
static const char * type_string(int type)
Definition: avio_dir_cmd.c:27
static int del_op(const char *url)
Definition: avio_dir_cmd.c:105
static int list_op(const char *input_dir)
Definition: avio_dir_cmd.c:57
static int move_op(const char *src, const char *dst)
Definition: avio_dir_cmd.c:113
int avformat_network_deinit(void)
Undo the initialization done by avformat_network_init.
int avformat_network_init(void)
Do global initialization of network libraries.
#define av_err2str(errnum)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: error.h:119
#define AVERROR(e)
Definition: error.h:43
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
void av_log_set_level(int level)
Set the log level.
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level.
Describes single entry of the directory.
Definition: avio.h:86
int64_t user_id
User ID of owner, -1 if unknown.
Definition: avio.h:98
int type
Type of the entry.
Definition: avio.h:88
int64_t access_timestamp
Time of last access in microseconds since unix epoch, -1 if unknown.
Definition: avio.h:94
int64_t status_change_timestamp
Time of last status change in microseconds since unix epoch, -1 if unknown.
Definition: avio.h:96
int64_t size
File size in bytes, -1 if unknown.
Definition: avio.h:91
int64_t group_id
Group ID of owner, -1 if unknown.
Definition: avio.h:99
char * name
Filename.
Definition: avio.h:87
int64_t modification_timestamp
Time of last modification in microseconds since unix epoch, -1 if unknown.
Definition: avio.h:92
int64_t filemode
Unix file mode, -1 if unknown.
Definition: avio.h:100