127 lines
2.7 KiB
C++
127 lines
2.7 KiB
C++
/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "TagSave.hxx"
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#include "tag/Tag.hxx"
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#include "config/ConfigGlobal.hxx"
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#include "input/InputStream.hxx"
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#include "input/Init.hxx"
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#include "ScopeIOThread.hxx"
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#include "thread/Cond.hxx"
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#include "Log.hxx"
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#include "fs/io/BufferedOutputStream.hxx"
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#include "fs/io/StdioOutputStream.hxx"
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#ifdef ENABLE_ARCHIVE
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#include "archive/ArchiveList.hxx"
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#endif
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#include <stdexcept>
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#include <unistd.h>
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#include <stdlib.h>
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class GlobalInit {
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const ScopeIOThread io_thread;
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public:
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GlobalInit() {
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config_global_init();
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#ifdef ENABLE_ARCHIVE
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archive_plugin_init_all();
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#endif
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input_stream_global_init(io_thread_get());
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}
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~GlobalInit() {
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input_stream_global_finish();
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#ifdef ENABLE_ARCHIVE
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archive_plugin_deinit_all();
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#endif
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config_global_finish();
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}
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};
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static void
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tag_save(FILE *file, const Tag &tag)
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{
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StdioOutputStream sos(file);
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BufferedOutputStream bos(sos);
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tag_save(bos, tag);
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bos.Flush();
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}
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static int
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dump_input_stream(InputStream *is)
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{
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const std::lock_guard<Mutex> protect(is->mutex);
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/* print meta data */
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if (is->HasMimeType())
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fprintf(stderr, "MIME type: %s\n", is->GetMimeType());
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/* read data and tags from the stream */
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while (!is->IsEOF()) {
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Tag *tag = is->ReadTag();
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if (tag != NULL) {
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fprintf(stderr, "Received a tag:\n");
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tag_save(stderr, *tag);
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delete tag;
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}
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char buffer[4096];
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size_t num_read = is->Read(buffer, sizeof(buffer));
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if (num_read == 0)
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break;
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ssize_t num_written = write(1, buffer, num_read);
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if (num_written <= 0)
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break;
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}
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is->Check();
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return 0;
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}
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int main(int argc, char **argv)
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try {
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if (argc != 2) {
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fprintf(stderr, "Usage: run_input URI\n");
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return EXIT_FAILURE;
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}
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/* initialize MPD */
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const GlobalInit init;
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/* open the stream and dump it */
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Mutex mutex;
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Cond cond;
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auto is = InputStream::OpenReady(argv[1], mutex, cond);
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return dump_input_stream(is.get());
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} catch (const std::exception &e) {
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LogError(e);
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return EXIT_FAILURE;
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}
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