repos/DecentralizedMedia/DecentralizedMedia.cpp

// Decentralized Media
//
// Douglas Thrift
//
// $Id$

#include <menes/standard.hh>

#include <menes-api/pcre/regex.hpp>
#include <menes-api/realpath.hpp>
#include <menes-app/simple.hpp>
#include <menes-dbi/driver.hpp>
#include <menes-dbi/resultset.hpp>
#include <menes-etl/fnbind.hpp>
#include <menes-ios/helpers.hpp>
#include <menes-net/http/request.hpp>
#include <menes-net/http/response.hpp>

#include "DecentralizedMedia.hpp"

int Main(const app::Options& options)
{
        ext::RedBlackSet<ext::String> extensions, locals;
        api::Pcre::RegEx extension(_B("^-extension=(.+)$")), local(_B("^-local=(.+)$"));

        _foreach (const app::ArgumentList, arg, app::GetArguments())
        {
                api::Pcre::RegEx::Match match;

                if (match = extension(*arg))
                        extensions.Insert(match[1]);
                else if (match = local(*arg))
                        locals.Insert(api::RealPath(match[1]));
        }

        if (extensions.IsEmpty())
                extensions.Insert(_B("mp3"));

        if (!api::Path(_B("Media")).Exists())
                api::Posix::CheckError(::mkdir("Media", 0755));

        locals.Insert(api::RealPath(_B("Media")));

        _S<DecentralizedMedia> media(extensions, locals);

        media.Block();

        return 0;
}

DecentralizedMedia::DecentralizedMedia(const ext::RedBlackSet<ext::String>& extensions, const ext::RedBlackSet<ext::String>& locals) : waf::Server(_B("Web")), process(bmp.IsRunning() ? NULL : new api::Process(_B("/usr/X11R6/bin/beep-media-player"))), connection(dbi::GetDriver("pgsql")->Connect("", "douglas", "", "media")), extensions(extensions)
{
        _foreach (const ext::RedBlackSet<ext::String>, local, locals)
                MediaFolder(connection, *local, *local);

        {
                _L<ext::String> args(locals.Begin(), locals.End());

                args.InsertLast(_B("-type"));
                args.InsertLast(_B("d"));

                _foreach (const ext::RedBlackSet<ext::String>, extension, extensions)
                {
                        args.InsertLast(_B("-or"));
                        args.InsertLast(_B("-iname"));
                        args.InsertLast(_S<ios::String>() << _B("*.") << *extension);
                }

                _H<api::Process> find(new api::Process(_B("/usr/bin/find"), args));
                ext::String file;

                while (ios::ReadLine(*find->GetReader(), file)) if (!locals.Contains(file))
                {
                }

                find->Join();
        }

        AddPort(6996);
}

DecentralizedMedia::~DecentralizedMedia()
{
        if (!process.IsEmpty())
        {
                _H<api::Thread> thread(new api::Thread(etl::BindAll(&DecentralizedMedia::Destroy, this)));

                bmp.Quit();

                thread->Join();
        }
}

_L<ext::String> DecentralizedMedia::GetArtists() const
{
        _H<dbi::ResultSet> artists_(connection->Execute(_B("SELECT DISTINCT artist FROM files WHERE live = TRUE")));
        _L<ext::String> artists;

        while (artists_->MoveNext())
                artists.InsertLast(artists_->GetString(_B("artist")));

        return artists;
}

_L<ext::String> DecentralizedMedia::GetTitles() const
{
        _H<dbi::ResultSet> titles_(connection->Execute(_B("SELECT DISTINCT title FROM files WHERE live = TRUE")));
        _L<ext::String> titles;

        while (titles_->MoveNext())
                titles.InsertLast(titles_->GetString(_B("title")));

        return titles;
}

_L<ext::String> DecentralizedMedia::GetAlbums() const
{
        _H<dbi::ResultSet> albums_(connection->Execute(_B("SELECT DISTINCT album FROM files WHERE live = TRUE")));
        _L<ext::String> albums;

        while (albums_->MoveNext())
                albums.InsertLast(albums_->GetString(_B("album")));

        return albums;
}

_L<ext::String> DecentralizedMedia::GetGenres() const
{
        _H<dbi::ResultSet> genres_(connection->Execute(_B("SELECT DISTINCT album FROM files WHERE live = TRUE")));
        _L<ext::String> genres;

        while (genres_->MoveNext())
                genres.InsertLast(genres_->GetString(_B("genre")));

        return genres;
}

_L<MediaFolder> DecentralizedMedia::GetFolders() const
{
        _H<dbi::ResultSet> paths(connection->Execute(_B("SELECT DISTINCT root FROM files WHERE live = TRUE")));
        _L<MediaFolder> folders;

        while (paths->MoveNext())
                folders.InsertLast(MediaFolder(connection, paths->GetString(_B("path"))));

        return folders;
}

void DecentralizedMedia::Process(const net::Http::Request& request, net::Http::Response& response)
{
        if (request.method_ == _B("EXTENSIONS"))
        {
                response.SetStatus(200);

                _foreach (const ext::RedBlackSet<ext::String>, extension, extensions)
                        response << *extension << ios::NewLineNoFlush;
        }
        else if (request.method_ == _B("MEDIA"))
        {
                // XXX: implement
        }
        else
                waf::Server::Process(request, response);
}
Revision:	497
Committed:	2005-06-17T13:45:37-07:00 (20 years ago) by douglas
File size:	4248 byte(s)
Log Message:	That's right, but it doesn't work.
#	User	Rev	Content
1	douglas	464	// Decentralized Media
2			//
3			// Douglas Thrift
4			//
5			// $Id$
6
7	douglas	470	#include <menes/standard.hh>
8	douglas	464
9	douglas	474	#include <menes-api/pcre/regex.hpp>
10	douglas	497	#include <menes-api/realpath.hpp>
11	douglas	471	#include <menes-app/simple.hpp>
12	douglas	484	#include <menes-dbi/driver.hpp>
13			#include <menes-dbi/resultset.hpp>
14	douglas	471	#include <menes-etl/fnbind.hpp>
15	douglas	474	#include <menes-ios/helpers.hpp>
16	douglas	471	#include <menes-net/http/request.hpp>
17			#include <menes-net/http/response.hpp>
18	douglas	470
19	douglas	471	#include "DecentralizedMedia.hpp"
20	douglas	464
21	douglas	471	int Main(const app::Options& options)
22	douglas	464	{
23	douglas	491	ext::RedBlackSet<ext::String> extensions, locals;
24	douglas	474	api::Pcre::RegEx extension(_B("^-extension=(.+)$")), local(_B("^-local=(.+)$"));
25	douglas	464
26	douglas	474	_foreach (const app::ArgumentList, arg, app::GetArguments())
27			{
28			api::Pcre::RegEx::Match match;
29
30			if (match = extension(*arg))
31	douglas	491	extensions.Insert(match[1]);
32	douglas	474	else if (match = local(*arg))
33	douglas	497	locals.Insert(api::RealPath(match[1]));
34	douglas	474	}
35
36			if (extensions.IsEmpty())
37	douglas	491	extensions.Insert(_B("mp3"));
38	douglas	474
39	douglas	493	if (!api::Path(_B("Media")).Exists())
40			api::Posix::CheckError(::mkdir("Media", 0755));
41	douglas	491
42	douglas	497	locals.Insert(api::RealPath(_B("Media")));
43	douglas	493
44	douglas	481	_S<DecentralizedMedia> media(extensions, locals);
45	douglas	474
46	douglas	472	media.Block();
47
48	douglas	471	return 0;
49			}
50	douglas	469
51	douglas	491	DecentralizedMedia::DecentralizedMedia(const ext::RedBlackSet<ext::String>& extensions, const ext::RedBlackSet<ext::String>& locals) : waf::Server(_B("Web")), process(bmp.IsRunning() ? NULL : new api::Process(_B("/usr/X11R6/bin/beep-media-player"))), connection(dbi::GetDriver("pgsql")->Connect("", "douglas", "", "media")), extensions(extensions)
52	douglas	471	{
53	douglas	495	_foreach (const ext::RedBlackSet<ext::String>, local, locals)
54	douglas	497	MediaFolder(connection, local, local);
55	douglas	493
56	douglas	474	{
57	douglas	491	_L<ext::String> args(locals.Begin(), locals.End());
58	douglas	474
59	douglas	493	args.InsertLast(_B("-type"));
60			args.InsertLast(_B("d"));
61
62	douglas	491	_foreach (const ext::RedBlackSet<ext::String>, extension, extensions)
63	douglas	474	{
64	douglas	493	args.InsertLast(_B("-or"));
65	douglas	492	args.InsertLast(_B("-iname"));
66	douglas	474	args.InsertLast(_S<ios::String>() << _B(".") << extension);
67			}
68
69			_H<api::Process> find(new api::Process(_B("/usr/bin/find"), args));
70			ext::String file;
71
72	douglas	493	while (ios::ReadLine(*find->GetReader(), file)) if (!locals.Contains(file))
73			{
74			}
75	douglas	474
76			find->Join();
77			}
78
79	douglas	471	AddPort(6996);
80			}
81	douglas	469
82	douglas	471	DecentralizedMedia::~DecentralizedMedia()
83	douglas	469	{
84	douglas	471	if (!process.IsEmpty())
85			{
86			_H<api::Thread> thread(new api::Thread(etl::BindAll(&DecentralizedMedia::Destroy, this)));
87	douglas	470
88	douglas	471	bmp.Quit();
89	douglas	469
90	douglas	471	thread->Join();
91			}
92	douglas	464	}
93	douglas	471
94	douglas	491	_L<ext::String> DecentralizedMedia::GetArtists() const
95			{
96			_H<dbi::ResultSet> artists_(connection->Execute(_B("SELECT DISTINCT artist FROM files WHERE live = TRUE")));
97			_L<ext::String> artists;
98
99			while (artists_->MoveNext())
100			artists.InsertLast(artists_->GetString(_B("artist")));
101
102			return artists;
103			}
104
105			_L<ext::String> DecentralizedMedia::GetTitles() const
106			{
107			_H<dbi::ResultSet> titles_(connection->Execute(_B("SELECT DISTINCT title FROM files WHERE live = TRUE")));
108			_L<ext::String> titles;
109
110			while (titles_->MoveNext())
111			titles.InsertLast(titles_->GetString(_B("title")));
112
113			return titles;
114			}
115
116			_L<ext::String> DecentralizedMedia::GetAlbums() const
117			{
118			_H<dbi::ResultSet> albums_(connection->Execute(_B("SELECT DISTINCT album FROM files WHERE live = TRUE")));
119			_L<ext::String> albums;
120
121			while (albums_->MoveNext())
122			albums.InsertLast(albums_->GetString(_B("album")));
123
124			return albums;
125			}
126
127			_L<ext::String> DecentralizedMedia::GetGenres() const
128			{
129			_H<dbi::ResultSet> genres_(connection->Execute(_B("SELECT DISTINCT album FROM files WHERE live = TRUE")));
130			_L<ext::String> genres;
131
132			while (genres_->MoveNext())
133			genres.InsertLast(genres_->GetString(_B("genre")));
134
135			return genres;
136			}
137
138			_L<MediaFolder> DecentralizedMedia::GetFolders() const
139			{
140			_H<dbi::ResultSet> paths(connection->Execute(_B("SELECT DISTINCT root FROM files WHERE live = TRUE")));
141			_L<MediaFolder> folders;
142
143			while (paths->MoveNext())
144			folders.InsertLast(MediaFolder(connection, paths->GetString(_B("path"))));
145
146			return folders;
147			}
148
149	douglas	471	void DecentralizedMedia::Process(const net::Http::Request& request, net::Http::Response& response)
150			{
151	douglas	474	if (request.method_ == _B("EXTENSIONS"))
152			{
153			response.SetStatus(200);
154
155	douglas	492	_foreach (const ext::RedBlackSet<ext::String>, extension, extensions)
156	douglas	476	response << *extension << ios::NewLineNoFlush;
157	douglas	474	}
158			else if (request.method_ == _B("MEDIA"))
159			{
160			// XXX: implement
161			}
162	douglas	471	else
163			waf::Server::Process(request, response);
164			}