repos/DecentralizedMedia/DecentralizedMedia.cpp

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

#include <menes/standard.hh>

#include <menes-api/pcre/regex.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::ReadLink(match[1]));
        }

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

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

        locals.Insert(api::ReadLink(_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)
        {
                _H<dbi::ResultSet> path(connection->Parse(_B("SELECT path FROM folders WHERE path = ?"))->Execute(*local));

                if (!path->MoveNext())
                        connection->Parse(_B("INSERT INTO folders (path) VALUES (?)"))->Execute(*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:	495
Committed:	2005-06-17T12:25:24-07:00 (20 years ago) by douglas
File size:	4397 byte(s)
Log Message:	Let's try this.
#	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	471	#include <menes-app/simple.hpp>
11	douglas	484	#include <menes-dbi/driver.hpp>
12			#include <menes-dbi/resultset.hpp>
13	douglas	471	#include <menes-etl/fnbind.hpp>
14	douglas	474	#include <menes-ios/helpers.hpp>
15	douglas	471	#include <menes-net/http/request.hpp>
16			#include <menes-net/http/response.hpp>
17	douglas	470
18	douglas	471	#include "DecentralizedMedia.hpp"
19	douglas	464
20	douglas	471	int Main(const app::Options& options)
21	douglas	464	{
22	douglas	491	ext::RedBlackSet<ext::String> extensions, locals;
23	douglas	474	api::Pcre::RegEx extension(_B("^-extension=(.+)$")), local(_B("^-local=(.+)$"));
24	douglas	464
25	douglas	474	_foreach (const app::ArgumentList, arg, app::GetArguments())
26			{
27			api::Pcre::RegEx::Match match;
28
29			if (match = extension(*arg))
30	douglas	491	extensions.Insert(match[1]);
31	douglas	474	else if (match = local(*arg))
32	douglas	495	locals.Insert(api::ReadLink(match[1]));
33	douglas	474	}
34
35			if (extensions.IsEmpty())
36	douglas	491	extensions.Insert(_B("mp3"));
37	douglas	474
38	douglas	493	if (!api::Path(_B("Media")).Exists())
39			api::Posix::CheckError(::mkdir("Media", 0755));
40	douglas	491
41	douglas	495	locals.Insert(api::ReadLink(_B("Media")));
42	douglas	493
43	douglas	481	_S<DecentralizedMedia> media(extensions, locals);
44	douglas	474
45	douglas	472	media.Block();
46
47	douglas	471	return 0;
48			}
49	douglas	469
50	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)
51	douglas	471	{
52	douglas	495	_foreach (const ext::RedBlackSet<ext::String>, local, locals)
53			{
54			_H<dbi::ResultSet> path(connection->Parse(_B("SELECT path FROM folders WHERE path = ?"))->Execute(*local));
55	douglas	493
56	douglas	495	if (!path->MoveNext())
57			connection->Parse(_B("INSERT INTO folders (path) VALUES (?)"))->Execute(*local);
58			}
59
60	douglas	474	{
61	douglas	491	_L<ext::String> args(locals.Begin(), locals.End());
62	douglas	474
63	douglas	493	args.InsertLast(_B("-type"));
64			args.InsertLast(_B("d"));
65
66	douglas	491	_foreach (const ext::RedBlackSet<ext::String>, extension, extensions)
67	douglas	474	{
68	douglas	493	args.InsertLast(_B("-or"));
69	douglas	492	args.InsertLast(_B("-iname"));
70	douglas	474	args.InsertLast(_S<ios::String>() << _B(".") << extension);
71			}
72
73			_H<api::Process> find(new api::Process(_B("/usr/bin/find"), args));
74			ext::String file;
75
76	douglas	493	while (ios::ReadLine(*find->GetReader(), file)) if (!locals.Contains(file))
77			{
78			}
79	douglas	474
80			find->Join();
81			}
82
83	douglas	471	AddPort(6996);
84			}
85	douglas	469
86	douglas	471	DecentralizedMedia::~DecentralizedMedia()
87	douglas	469	{
88	douglas	471	if (!process.IsEmpty())
89			{
90			_H<api::Thread> thread(new api::Thread(etl::BindAll(&DecentralizedMedia::Destroy, this)));
91	douglas	470
92	douglas	471	bmp.Quit();
93	douglas	469
94	douglas	471	thread->Join();
95			}
96	douglas	464	}
97	douglas	471
98	douglas	491	_L<ext::String> DecentralizedMedia::GetArtists() const
99			{
100			_H<dbi::ResultSet> artists_(connection->Execute(_B("SELECT DISTINCT artist FROM files WHERE live = TRUE")));
101			_L<ext::String> artists;
102
103			while (artists_->MoveNext())
104			artists.InsertLast(artists_->GetString(_B("artist")));
105
106			return artists;
107			}
108
109			_L<ext::String> DecentralizedMedia::GetTitles() const
110			{
111			_H<dbi::ResultSet> titles_(connection->Execute(_B("SELECT DISTINCT title FROM files WHERE live = TRUE")));
112			_L<ext::String> titles;
113
114			while (titles_->MoveNext())
115			titles.InsertLast(titles_->GetString(_B("title")));
116
117			return titles;
118			}
119
120			_L<ext::String> DecentralizedMedia::GetAlbums() const
121			{
122			_H<dbi::ResultSet> albums_(connection->Execute(_B("SELECT DISTINCT album FROM files WHERE live = TRUE")));
123			_L<ext::String> albums;
124
125			while (albums_->MoveNext())
126			albums.InsertLast(albums_->GetString(_B("album")));
127
128			return albums;
129			}
130
131			_L<ext::String> DecentralizedMedia::GetGenres() const
132			{
133			_H<dbi::ResultSet> genres_(connection->Execute(_B("SELECT DISTINCT album FROM files WHERE live = TRUE")));
134			_L<ext::String> genres;
135
136			while (genres_->MoveNext())
137			genres.InsertLast(genres_->GetString(_B("genre")));
138
139			return genres;
140			}
141
142			_L<MediaFolder> DecentralizedMedia::GetFolders() const
143			{
144			_H<dbi::ResultSet> paths(connection->Execute(_B("SELECT DISTINCT root FROM files WHERE live = TRUE")));
145			_L<MediaFolder> folders;
146
147			while (paths->MoveNext())
148			folders.InsertLast(MediaFolder(connection, paths->GetString(_B("path"))));
149
150			return folders;
151			}
152
153	douglas	471	void DecentralizedMedia::Process(const net::Http::Request& request, net::Http::Response& response)
154			{
155	douglas	474	if (request.method_ == _B("EXTENSIONS"))
156			{
157			response.SetStatus(200);
158
159	douglas	492	_foreach (const ext::RedBlackSet<ext::String>, extension, extensions)
160	douglas	476	response << *extension << ios::NewLineNoFlush;
161	douglas	474	}
162			else if (request.method_ == _B("MEDIA"))
163			{
164			// XXX: implement
165			}
166	douglas	471	else
167			waf::Server::Process(request, response);
168			}