summaryrefslogtreecommitdiffstats
path: root/utils/MTP/beastpatcher/mtp_libmtp.c
blob: 7e8579ac9986c10dd095d594f9f57cecd09e363a (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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * 
 * $Id:$
 *
 * Copyright (c) 2009, Dave Chapman
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 * 
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *
 ****************************************************************************/

#include <string.h>
#include <libgen.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <inttypes.h>
#include "libmtp.h"
#include "mtp_common.h"

int mtp_init(struct mtp_info_t* mtp_info)
{
    /* Fill the info struct with zeros - mainly for the strings */
    memset(mtp_info, 0, sizeof(struct mtp_info_t));

    LIBMTP_Init();

    return 0;

}

int mtp_finished(struct mtp_info_t* mtp_info)
{
    LIBMTP_Release_Device(mtp_info->device);

    return 0;
}

int mtp_scan(struct mtp_info_t* mtp_info)
{
    char* str;

    mtp_info->device = LIBMTP_Get_First_Device();

    if (mtp_info->device == NULL)
    {
        return -1;
    } 
    else 
    {
        /* NOTE: These strings are filled with zeros in mtp_init() */

        if ((str = LIBMTP_Get_Manufacturername(mtp_info->device)))
        {
            strncpy(mtp_info->manufacturer, str, sizeof(mtp_info->manufacturer)-1);
        }

        if ((str = LIBMTP_Get_Modelname(mtp_info->device)))
        {
            strncpy(mtp_info->modelname, str, sizeof(mtp_info->modelname)-1);
        }

        if ((str = LIBMTP_Get_Deviceversion(mtp_info->device)))
        {
            strncpy(mtp_info->version, str, sizeof(mtp_info->version)-1);
        }

        return 0;
    }
}

static int progress(uint64_t const sent, uint64_t const total,
                    void const *const data)
{
    (void)data;

    int percent = (sent * 100) / total;
#ifdef __WIN32__
    printf("Progress: %I64u of %I64u (%d%%)\r", sent, total, percent);
#else
    printf("Progress: %"PRIu64" of %"PRIu64" (%d%%)\r", sent, total, percent);
#endif
    fflush(stdout);
    return 0;
}


int mtp_send_firmware(struct mtp_info_t* mtp_info, unsigned char* fwbuf,
                      int fwsize)
{
    LIBMTP_file_t *genfile;
    int ret;
    size_t n;
    FILE* fwfile;

    /* Open a temporary file - this will be automatically deleted when closed */
    fwfile = tmpfile();

    if (fwfile == NULL)
    {
        fprintf(stderr,"[ERR]  Could not create temporary file.\n");
        return -1;
    }

    n = fwrite(fwbuf, 1, fwsize, fwfile);
    if ((int)n < fwsize)
    {
        fprintf(stderr,"[ERR]  Could not write to temporary file - n = %d.\n",(int)n);
        fclose(fwfile);
        return -1;
    }

    /* Reset file pointer */
    fseek(fwfile, SEEK_SET, 0);

    /* Prepare for uploading firmware */
    genfile = LIBMTP_new_file_t();
    genfile->filetype = LIBMTP_FILETYPE_FIRMWARE;
    genfile->filename = strdup("nk.bin");
    genfile->filesize = fwsize;

#ifdef OLDMTP
    ret = LIBMTP_Send_File_From_File_Descriptor(mtp_info->device, 
            fileno(fwfile), genfile, progress, NULL, 0);
#else
    ret = LIBMTP_Send_File_From_File_Descriptor(mtp_info->device, 
            fileno(fwfile), genfile, progress, NULL);
#endif

    /* Keep the progress line onscreen */
    printf("\n");

    /* NOTE: According to the docs, a value of ret != 0 means error, but libMTP
       seems to return that even when successful.  So we can't check the return
       code.
    */

    /* Cleanup */
    LIBMTP_destroy_file_t(genfile);

    /* Close the temporary file - this also deletes it. */
    fclose(fwfile);

    return 0;
}