summaryrefslogtreecommitdiffstats
path: root/libhb/update.c
blob: c343c261f682e7e16ecb7c705de3fbcd556942f8 (plain)
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
/* $Id: update.c,v 1.7 2005/03/26 23:04:14 titer Exp $

   This file is part of the HandBrake source code.
   Homepage: <http://handbrake.m0k.org/>.
   It may be used under the terms of the GNU General Public License. */

#include "hb.h"

#define HB_URL   "handbrake.fr"
#define HB_QUERY "GET /LATEST HTTP/1.0\r\nHost: " HB_URL "\r\n\r\n"

typedef struct
{
    int  * build;
    char * version;

} hb_update_t;

static void UpdateFunc( void * );

hb_thread_t * hb_update_init( int * build, char * version )
{
    hb_update_t * data = calloc( sizeof( hb_update_t ), 1 );
    data->build   = build;
    data->version = version;

    return hb_thread_init( "update", UpdateFunc, data,
                           HB_NORMAL_PRIORITY );
}

static void UpdateFunc( void * _data )
{
    hb_update_t * data = (hb_update_t *) _data;

    hb_net_t * net;
    int        ret;
    char       buf[1024];
    char     * cur, * end, * p;
    int        size;
    int        stable, unstable;
    char       stable_str[16], unstable_str[16];
    int        i;

    if( !( net = hb_net_open( HB_URL, 80 ) ) )
    {
        goto error;
    }

    if( hb_net_send( net, HB_QUERY ) < 0 )
    {
        hb_net_close( &net );
        goto error;
    }

    size = 0;
    memset( buf, 0, 1024 );
    for( ;; )
    {
        ret = hb_net_recv( net, &buf[size], sizeof( buf ) - size );
        if( ret < 1 )
        {
            hb_net_close( &net );
            break;
        }
        size += ret;
    }

    cur = buf;
    end = &buf[sizeof( buf )];

    /* Make sure we got it */
    cur += 9;
    if( size < 15 || strncmp( cur, "200 OK", 6 ) )
    {
        /* Something went wrong */
        goto error;
    }
    cur += 6;

    /* Find the end of the headers and the beginning of the content */
    for( ; &cur[3] < end; cur++ )
    {
        if( cur[0] == '\r' && cur[1] == '\n' &&
            cur[2] == '\r' && cur[3] == '\n' )
        {
            cur += 4;
            break;
        }
    }

    if( cur >= end )
    {
        goto error;
    }

    stable = strtol( cur, &p, 10 );
    if( cur == p )
    {
        goto error;
    }
    cur = p + 1;
    memset( stable_str, 0, sizeof( stable_str ) );
    for( i = 0;
         i < sizeof( stable_str ) - 1 && cur < end && *cur != '\n';
         i++, cur++ )
    {
        stable_str[i] = *cur;
    }

    hb_log( "latest stable: %s, build %d", stable_str, stable );

    cur++;
    if( cur >= end )
    {
        goto error;
    }

    unstable = strtol( cur, &p, 10 );
    if( cur == p )
    {
        goto error;
    }
    cur = p + 1;
    memset( unstable_str, 0, sizeof( unstable_str ) );
    for( i = 0;
         i < sizeof( unstable_str ) - 1 && cur < end && *cur != '\n';
         i++, cur++ )
    {
        unstable_str[i] = *cur;
    }

    hb_log( "latest unstable: %s, build %d", unstable_str, unstable );

    if( HB_BUILD % 100 )
    {
        /* We are runnning an unstable build */
        if( unstable > HB_BUILD )
        {
            memcpy( data->version, unstable_str, sizeof( unstable_str ) );
            *(data->build) = unstable;
        }
    }
    else
    {
        /* We are runnning an stable build */
        if( stable > HB_BUILD )
        {
            memcpy( data->version, stable_str, sizeof( stable_str ) );
            *(data->build) = stable;
        }
    }

error:
    free( data );
    return;
}