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
|
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
#include <inttypes.h>
#include "mfs.h"
#include "vstream-client.h"
#define CHUNK ( 1024 * 1024 )
// on cygwin, we have large file support already, and no fopen64.
#ifdef __CYGWIN__
#define fopen64 fopen
#endif
#ifdef __APPLE__
#define fopen64 fopen
#endif
void vstream_error( const char *format, ... )
{
va_list va;
va_start( va, format );
vfprintf( stderr, format, va );
va_end( va );
}
int usage(char *name)
{
fprintf(stderr, "Simple Usage:\n");
fprintf(stderr, "list available streams: %s hostname\n", name);
fprintf(stderr, "list available streams (long format): %s hostname -l\n", name);
fprintf(stderr, "download a stream: %s hostname fsid [-o filename] [-a offset]\n", name);
fprintf(stderr, "\n");
fprintf(stderr, "URL Usage:\n");
fprintf(stderr, "list available streams: %s tivo://hostname/list\n", name);
fprintf(stderr, "list available streams (long format): %s tivo://hostname/llist\n", name);
fprintf(stderr, "download a stream: %s tivo://hostname/fsid [-o filename] [-a offset]\n", name);
fprintf(stderr, "\n");
fprintf(stderr, "offsets are specified in megabytes.\n");
fprintf(stderr, "filename, if unspecified, defaults to <fsid>.ty\n");
fprintf(stderr, "\n");
return 1;
}
int main( int argc, char *argv[] )
{
int64_t offset = 0, size, count;
unsigned char buffer[ CHUNK ];
FILE *output;
char *filename = NULL, *hostname = NULL, *fsid = NULL;
int megs, seconds, start_time;
char *me;
int dashes = 0, ll = 0;
me = strrchr(argv[0], '/');
if (!me) me = strrchr(argv[0], '\\'); else me++;
if (!me) me = argv[0]; else me++;
argc--;
argv++;
while (argc) {
if (!strcmp(argv[0], "--")) {
dashes = 1;
} else if (!dashes && !strcmp(argv[0], "-l")) {
ll = 1;
} else if (!dashes && !strcmp(argv[0], "-o")) {
argv++; argc--;
if (!argc) return usage(me);
filename = strdup(argv[0]);
} else if (!dashes && !strcmp(argv[0], "-a")) {
argv++; argc--;
if (!argc) return usage(me);
offset = ((int64_t)atol(argv[0])) << 20;
} else if (!strncmp(argv[0], "tivo://", 7)) {
if (hostname) return usage(me);
hostname = argv[0] + 7;
if (!hostname[0]) return usage(me);
fsid = strchr(hostname, '/');
if (!fsid) return usage(me);
*fsid = '\0';
fsid++;
if (strchr(fsid, '/')) return usage(me);
} else {
if (!hostname) hostname = argv[0];
else if (hostname && !fsid) fsid = argv[0];
else return usage(me);
}
argc--;
argv++;
}
if (!hostname) return usage(me);
if (vstream_open_socket(hostname)) {
fprintf(stderr, "%s: connection error.\n", me);
return 1;
}
if (!fsid || !strcmp(fsid, "list")) {
vstream_list_streams(0);
return 0;
} else if (!strcmp(fsid, "llist") || ll) {
vstream_list_streams(1);
return 0;
}
if (!filename) {
int len = strlen(fsid) + 4;
filename = malloc(len);
snprintf(filename, len, "%s.ty", fsid);
}
{
if (vstream_start()) {
fprintf(stderr, "%s: Cryptic internal error 1.\n", me);
return 1;
}
if (vstream_startstream(fsid)) {
fprintf(stderr, "%s: Cryptic internal error 2.\n", me);
return 1;
}
size = vstream_streamsize();
megs = 0;
fprintf(stderr, "(%s) size %"PRId64" MB, getting %"PRId64" MB\n", fsid, size >> 20, (size - offset) >> 20);
if (strcmp(filename, "-")!=0) output = fopen64(filename, "w" );
else output = stdout;
if (!output) {
fprintf(stderr, "%s: File creation failed.\n", me);
return 1;
}
start_time = time(NULL);
while (offset < size)
{
count = CHUNK;
if (offset + CHUNK > size)
count = size - offset;
count = vstream_load_chunk(fsid, buffer, count, offset);
offset += count;
fwrite(buffer, 1, count, output);
megs++;
seconds = time(NULL) - start_time;
if (seconds) fprintf(stderr, "\r%5d MB %5d kb/s", megs, (megs << 10) / seconds);
fflush(stderr);
}
fclose(output);
fprintf(stderr, "\nDone.\n");
}
free(filename);
return 0;
}
|
