public static byte[] Write(ContentCodeBag bag, ContentNode node)
{
MemoryStream stream = new MemoryStream ();
BinaryWriter writer = new BinaryWriter (stream);
try {
Write (bag, node, writer);
} catch (Exception) {
Console.Error.WriteLine ("Error writing node {0}, val type is {1}", node.Name, node.Value.GetType ());
throw;
}
writer.Flush ();
byte[] buf = stream.GetBuffer ();
long len = stream.Length;
writer.Close ();
byte[] ret = new byte[len];
Array.Copy (buf, ret, len);
return ret;
}
private static void Write(ContentCodeBag bag, ContentNode node, BinaryWriter writer)
{
ContentCode code = bag.Lookup (node.Name);
if (code.Equals (ContentCode.Zero)) {
throw new ContentException ("Failed to get content code for: " + node.Name);
}
writer.Write (IPAddress.HostToNetworkOrder (code.Number));
switch (code.Type) {
case ContentType.Char:
writer.Write (IPAddress.HostToNetworkOrder (1));
writer.Write ((byte) node.Value);
break;
case ContentType.Short:
writer.Write (IPAddress.HostToNetworkOrder (2));
writer.Write (IPAddress.HostToNetworkOrder ((short) node.Value));
break;
case ContentType.SignedLong:
case ContentType.Long:
writer.Write (IPAddress.HostToNetworkOrder (4));
writer.Write (IPAddress.HostToNetworkOrder ((int) node.Value));
break;
case ContentType.LongLong:
writer.Write (IPAddress.HostToNetworkOrder (8));
writer.Write (IPAddress.HostToNetworkOrder ((long) node.Value));
break;
case ContentType.String:
byte[] data = Encoding.UTF8.GetBytes ((string) node.Value);
writer.Write (IPAddress.HostToNetworkOrder (data.Length));
writer.Write (data);
break;
case ContentType.Date:
writer.Write (IPAddress.HostToNetworkOrder (4));
writer.Write (IPAddress.HostToNetworkOrder (Utility.FromDateTime ((DateTime) node.Value)));
break;
case ContentType.Version:
Version version = (Version) node.Value;
writer.Write (IPAddress.HostToNetworkOrder (4));
writer.Write ((short) IPAddress.HostToNetworkOrder ((short) version.Major));
writer.Write ((byte) version.Minor);
writer.Write ((byte) version.Build);
break;
case ContentType.Container:
MemoryStream childStream = new MemoryStream ();
BinaryWriter childWriter = new BinaryWriter (childStream);
foreach (ContentNode child in (ContentNode[]) node.Value) {
try {
Write (bag, child, childWriter);
} catch (Exception) {
Console.Error.WriteLine ("Error writing node {0}, val type is {1}", child.Name, child.Value.GetType ());
throw;
}
}
childWriter.Flush ();
byte[] bytes = childStream.GetBuffer ();
int len = (int) childStream.Length;
writer.Write (IPAddress.HostToNetworkOrder (len));
writer.Write (bytes, 0, len);
childWriter.Close ();
break;
default:
Console.Error.WriteLine ("Cannot write node of type: " + code.Type);
break;
}
}
public static ContentCodeBag ParseCodes(byte[] buffer)
{
ContentCodeBag bag = new ContentCodeBag ();
// add some codes to bootstrap us
bag.AddCode ("mccr", "dmap.contentcodesresponse", ContentType.Container);
bag.AddCode ("mdcl", "dmap.dictionary", ContentType.Container);
bag.AddCode ("mcnm", "dmap.contentcodesnumber", ContentType.Long);
bag.AddCode ("mcna", "dmap.contentcodesname", ContentType.String);
bag.AddCode ("mcty", "dmap.contentcodestype", ContentType.Short);
bag.AddCode ("mstt", "dmap.status", ContentType.Long);
// some photo-specific codes
bag.AddCode ("ppro", "dpap.protocolversion", ContentType.Long);
bag.AddCode ("pret", "dpap.blah", ContentType.Container);
bag.AddCode ("abal", "daap.browsealbumlisting", ContentType.Container);
bag.AddCode ("abar", "daap.browseartistlisting", ContentType.Container);
bag.AddCode ("abcp", "daap.browsecomposerlisting", ContentType.Container);
bag.AddCode ("abgn", "daap.browsegenrelisting", ContentType.Container);
bag.AddCode ("abpl", "daap.baseplaylist", ContentType.Char);
bag.AddCode ("abro", "daap.databasebrowse", ContentType.Container);
bag.AddCode ("adbs", "daap.databasesongs", ContentType.Container);
bag.AddCode ("aeAI", "com.apple.itunes.itms-artistid", ContentType.Long);
bag.AddCode ("aeCI", "com.apple.itunes.itms-composerid", ContentType.Long);
bag.AddCode ("aeCR", "com.apple.itunes.content-rating", ContentType.String);
bag.AddCode ("aeEN", "com.apple.itunes.episode-num-str", ContentType.String);
bag.AddCode ("aeES", "com.apple.itunes.episode-sort", ContentType.Long);
bag.AddCode ("aeFP", "com.apple.itunes.req-fplay", ContentType.Char);
bag.AddCode ("aeGD", "com.apple.itunes.gapless-enc-dr", ContentType.Long);
bag.AddCode ("aeGE", "com.apple.itunes.gapless-enc-del", ContentType.Long);
bag.AddCode ("aeGH", "com.apple.itunes.gapless-heur", ContentType.Long);
bag.AddCode ("aeGI", "com.apple.itunes.itms-genreid", ContentType.Long);
bag.AddCode ("aeGR", "com.apple.itunes.gapless-resy", ContentType.LongLong);
bag.AddCode ("aeGU", "com.apple.itunes.gapless-dur", ContentType.LongLong);
bag.AddCode ("aeHV", "com.apple.itunes.has-video", ContentType.Char);
bag.AddCode ("aeMK", "com.apple.itunes.mediakind", ContentType.Char);
bag.AddCode ("aeNN", "com.apple.itunes.network-name", ContentType.String);
bag.AddCode ("aeNV", "com.apple.itunes.norm-volume", ContentType.Long);
bag.AddCode ("aePC", "com.apple.itunes.is-podcast", ContentType.Char);
bag.AddCode ("aePI", "com.apple.itunes.itms-playlistid", ContentType.Long);
bag.AddCode ("aePP", "com.apple.itunes.is-podcast-playlist", ContentType.Char);
bag.AddCode ("aePS", "com.apple.itunes.special-playlist", ContentType.Char);
bag.AddCode ("aeSF", "com.apple.itunes.itms-storefrontid", ContentType.Long);
bag.AddCode ("aeSI", "com.apple.itunes.itms-songid", ContentType.Long);
bag.AddCode ("aeSN", "com.apple.itunes.series-name", ContentType.String);
bag.AddCode ("aeSP", "com.apple.itunes.smart-playlist", ContentType.Char);
bag.AddCode ("aeSU", "com.apple.itunes.season-num", ContentType.Long);
bag.AddCode ("aeSV", "com.apple.itunes.music-sharing-version", ContentType.Long);
bag.AddCode ("agal", "daap.albumgrouping", ContentType.Container);
bag.AddCode ("agrp", "daap.songgrouping", ContentType.String);
bag.AddCode ("aply", "daap.databaseplaylists", ContentType.Container);
bag.AddCode ("aprm", "daap.playlistrepeatmode", ContentType.Char);
bag.AddCode ("apro", "daap.protocolversion", ContentType.Version);
bag.AddCode ("apsm", "daap.playlistshufflemode", ContentType.Char);
bag.AddCode ("apso", "daap.playlistsongs", ContentType.Container);
bag.AddCode ("arif", "daap.resolveinfo", ContentType.Container);
bag.AddCode ("arsv", "daap.resolve", ContentType.Container);
bag.AddCode ("asaa", "daap.songalbumartist", ContentType.String);
bag.AddCode ("asai", "daap.songalbumid", ContentType.LongLong);
bag.AddCode ("asal", "daap.songalbum", ContentType.String);
bag.AddCode ("asar", "daap.songartist", ContentType.String);
bag.AddCode ("asbk", "daap.bookmarkable", ContentType.Char);
bag.AddCode ("asbo", "daap.songbookmark", ContentType.Long);
bag.AddCode ("asbr", "daap.songbitrate", ContentType.Short);
bag.AddCode ("asbt", "daap.songbeatsperminute", ContentType.Short);
bag.AddCode ("ascd", "daap.songcodectype", ContentType.Long);
bag.AddCode ("ascm", "daap.songcomment", ContentType.String);
bag.AddCode ("ascn", "daap.songcontentdescription", ContentType.String);
bag.AddCode ("asco", "daap.songcompilation", ContentType.Char);
bag.AddCode ("ascp", "daap.songcomposer", ContentType.String);
bag.AddCode ("ascr", "daap.songcontentrating", ContentType.Char);
bag.AddCode ("ascs", "daap.songcodecsubtype", ContentType.Long);
bag.AddCode ("asct", "daap.songcategory", ContentType.String);
bag.AddCode ("asda", "daap.songdateadded", ContentType.Date);
bag.AddCode ("asdb", "daap.songdisabled", ContentType.Char);
bag.AddCode ("asdc", "daap.songdisccount", ContentType.Short);
bag.AddCode ("asdk", "daap.songdatakind", ContentType.Char);
bag.AddCode ("asdm", "daap.songdatemodified", ContentType.Date);
bag.AddCode ("asdn", "daap.songdiscnumber", ContentType.Short);
bag.AddCode ("asdp", "daap.songdatepurchased", ContentType.Date);
bag.AddCode ("asdr", "daap.songdatereleased", ContentType.Date);
bag.AddCode ("asdt", "daap.songdescription", ContentType.String);
bag.AddCode ("ased", "daap.songextradata", ContentType.Short);
bag.AddCode ("aseq", "daap.songeqpreset", ContentType.String);
bag.AddCode ("asfm", "daap.songformat", ContentType.String);
bag.AddCode ("asgn", "daap.songgenre", ContentType.String);
bag.AddCode ("asgp", "daap.songgapless", ContentType.Char);
bag.AddCode ("ashp", "daap.songhasbeenplayed", ContentType.Char);
bag.AddCode ("asky", "daap.songkeywords", ContentType.String);
bag.AddCode ("aslc", "daap.songlongcontentdescription", ContentType.String);
bag.AddCode ("aspu", "daap.songpodcasturl", ContentType.String);
bag.AddCode ("asrv", "daap.songrelativevolume", ContentType.SignedLong);
bag.AddCode ("assa", "daap.sortartist", ContentType.String);
bag.AddCode ("assc", "daap.sortcomposer", ContentType.String);
bag.AddCode ("assl", "daap.sortalbumartist", ContentType.String);
bag.AddCode ("assn", "daap.sortname", ContentType.String);
bag.AddCode ("assp", "daap.songstoptime", ContentType.Long);
bag.AddCode ("assr", "daap.songsamplerate", ContentType.Long);
bag.AddCode ("asss", "daap.sortseriesname", ContentType.String);
bag.AddCode ("asst", "daap.songstarttime", ContentType.Long);
bag.AddCode ("assu", "daap.sortalbum", ContentType.String);
bag.AddCode ("assz", "daap.songsize", ContentType.Long);
bag.AddCode ("astc", "daap.songtrackcount", ContentType.Short);
bag.AddCode ("astm", "daap.songtime", ContentType.Long);
bag.AddCode ("astn", "daap.songtracknumber", ContentType.Short);
bag.AddCode ("asul", "daap.songdataurl", ContentType.String);
bag.AddCode ("asur", "daap.songuserrating", ContentType.Char);
bag.AddCode ("asyr", "daap.songyear", ContentType.Short);
bag.AddCode ("ated", "daap.supportsextradata", ContentType.Short);
bag.AddCode ("avdb", "daap.serverdatabases", ContentType.Container);
bag.AddCode ("caar", "dacp.playingtime", ContentType.Long);
bag.AddCode ("caar", "dacp.albumrepeat", ContentType.Long);
bag.AddCode ("caas", "dacp.albumshuffle", ContentType.Long);
bag.AddCode ("caci", "dacp.controlint", ContentType.Container);
bag.AddCode ("caia", "dacp.isavailable", ContentType.Char);
bag.AddCode ("cana", "dacp.nowplayingartist", ContentType.String);
bag.AddCode ("cang", "dacp.nowplayinggenre", ContentType.String);
bag.AddCode ("canl", "dacp.nowplayingalbum", ContentType.String);
bag.AddCode ("cann", "dacp.nowplayingname", ContentType.String);
bag.AddCode ("canp", "dacp.nowplaying", ContentType.LongLong);
bag.AddCode ("cant", "dacp.remainingtime", ContentType.Long);
bag.AddCode ("caps", "dacp.state", ContentType.Long);
bag.AddCode ("carp", "dacp.repeat", ContentType.Long);
bag.AddCode ("cash", "dacp.shuffle", ContentType.Long);
bag.AddCode ("casp", "dacp.speakers", ContentType.Container);
bag.AddCode ("cass", "dacp.ss", ContentType.Char);
bag.AddCode ("cast", "dacp.songtime", ContentType.Long);
bag.AddCode ("casu", "dacp.su", ContentType.Char);
bag.AddCode ("ceSG", "dacp.sg", ContentType.Char);
bag.AddCode ("cmcp", "dmcp.controlprompt", ContentType.Container);
bag.AddCode ("cmgt", "dmcp.getpropertyresponse", ContentType.Container);
bag.AddCode ("cmik", "dmcp.ik", ContentType.Char);
bag.AddCode ("cmmk", "dmcp.mediakind", ContentType.Long);
bag.AddCode ("cmsp", "dmcp.sp", ContentType.Char);
bag.AddCode ("cmsr", "dmcp.mediarevision", ContentType.Long);
bag.AddCode ("cmst", "dmcp.status", ContentType.Container);
bag.AddCode ("cmsv", "dmcp.sv", ContentType.Char);
bag.AddCode ("cmvo", "dmcp.volume", ContentType.Long);
bag.AddCode ("mbcl", "dmap.bag", ContentType.Container);
bag.AddCode ("mccr", "dmap.contentcodesresponse", ContentType.Container);
bag.AddCode ("mcna", "dmap.contentcodesname", ContentType.String);
bag.AddCode ("mcnm", "dmap.contentcodesnumber", ContentType.Long);
bag.AddCode ("mcon", "dmap.container", ContentType.Container);
bag.AddCode ("mctc", "dmap.containercount", ContentType.Long);
bag.AddCode ("mcti", "dmap.containeritemid", ContentType.Long);
bag.AddCode ("mcty", "dmap.contentcodestype", ContentType.Short);
bag.AddCode ("mdcl", "dmap.dictionary", ContentType.Container);
bag.AddCode ("medc", "dmap.editdictionary", ContentType.Container);
bag.AddCode ("meds", "dmap.editstatus", ContentType.Long);
bag.AddCode ("miid", "dmap.itemid", ContentType.Long);
bag.AddCode ("mikd", "dmap.itemkind", ContentType.Char);
bag.AddCode ("mimc", "dmap.itemcount", ContentType.Long);
bag.AddCode ("minm", "dmap.itemname", ContentType.String);
bag.AddCode ("mlcl", "dmap.listing", ContentType.Container);
bag.AddCode ("mlid", "dmap.sessionid", ContentType.Long);
bag.AddCode ("mlit", "dmap.listingitem", ContentType.Container);
bag.AddCode ("mlit", "dmap.listingitemstring", ContentType.String);
bag.AddCode ("mlog", "dmap.loginresponse", ContentType.Container);
bag.AddCode ("mpco", "dmap.parentcontainerid", ContentType.Long);
bag.AddCode ("mper", "dmap.persistentid", ContentType.LongLong);
bag.AddCode ("mpro", "dmap.protocolversion", ContentType.Version);
bag.AddCode ("mrco", "dmap.returnedcount", ContentType.Long);
bag.AddCode ("msal", "dmap.supportsautologout", ContentType.Char);
bag.AddCode ("msas", "dmap.authenticationschemes", ContentType.Long);
bag.AddCode ("msau", "dmap.authenticationmethod", ContentType.Char);
bag.AddCode ("msbr", "dmap.supportsbrowse", ContentType.Char);
bag.AddCode ("msdc", "dmap.databasescount", ContentType.Long);
bag.AddCode ("msed", "dmap.supportsedit", ContentType.Char);
bag.AddCode ("msex", "dmap.supportsextensions", ContentType.Char);
bag.AddCode ("msix", "dmap.supportsindex", ContentType.Char);
bag.AddCode ("mslr", "dmap.loginrequired", ContentType.Char);
bag.AddCode ("msma", "dmap.speakermachineaddress", ContentType.LongLong);
bag.AddCode ("msml", "dmap.speakermachinelist", ContentType.Container);
bag.AddCode ("mspi", "dmap.supportspersistentids", ContentType.Char);
bag.AddCode ("msqy", "dmap.supportsquery", ContentType.Char);
bag.AddCode ("msrs", "dmap.supportsresolve", ContentType.Char);
bag.AddCode ("msrv", "dmap.serverinforesponse", ContentType.Container);
bag.AddCode ("mstc", "dmap.utctime", ContentType.Date);
bag.AddCode ("mstm", "dmap.timeoutinterval", ContentType.Long);
bag.AddCode ("msts", "dmap.statusstring", ContentType.String);
bag.AddCode ("mstt", "dmap.status", ContentType.Long);
bag.AddCode ("msup", "dmap.supportsupdate", ContentType.Char);
bag.AddCode ("mtco", "dmap.specifiedtotalcount", ContentType.Long);
bag.AddCode ("mudl", "dmap.deletedidlisting", ContentType.Container);
bag.AddCode ("mupd", "dmap.updateresponse", ContentType.Container);
bag.AddCode ("musr", "dmap.serverrevision", ContentType.Long);
bag.AddCode ("muty", "dmap.updatetype", ContentType.Char);
ContentNode node = ContentParser.Parse (bag, buffer);
foreach (ContentNode dictNode in (node.Value as ContentNode[])) {
if (dictNode.Name != "dmap.dictionary") {
continue;
}
ContentCode code = new ContentCode ();
foreach (ContentNode item in (dictNode.Value as ContentNode[])) {
switch (item.Name) {
case "dmap.contentcodesnumber":
code.Number = (int) item.Value;
break;
case "dmap.contentcodesname":
code.Name = (string) item.Value;
break;
case "dmap.contentcodestype":
code.Type = (ContentType) Enum.ToObject (typeof (ContentType), (short) item.Value);
break;
}
}
bag.AddCode (code);
}
return bag;
}
private static ContentNode[] ParseChildren(ContentCodeBag bag, byte[] buffer,
int offset, int length)
{
ArrayList children = new ArrayList ();
int position = offset;
while (position < offset + length) {
children.Add (Parse (bag, buffer, null, ref position));
}
return (ContentNode[]) children.ToArray (typeof (ContentNode));
}
public static ContentNode Parse(ContentCodeBag bag, byte[] buffer)
{
return Parse (bag, buffer, null);
}
public static ContentNode Parse(ContentCodeBag bag, byte[] buffer, string root)
{
int offset = 0;
return Parse (bag, buffer, root, ref offset);
}
public static ContentNode Parse(ContentCodeBag bag, byte[] buffer, string root,
ref int offset)
{
ContentNode node = new ContentNode ();
int num = IPAddress.NetworkToHostOrder (BitConverter.ToInt32 (buffer, offset));
ContentCode code = bag.Lookup (num);
if (code.Equals (ContentCode.Zero)) {
// probably a buggy server. fallback to our internal code bag
code = ContentCodeBag.Default.Lookup (num);
}
int length = IPAddress.NetworkToHostOrder (BitConverter.ToInt32 (buffer, offset + 4));
if (code.Equals (ContentCode.Zero)) {
string s = System.Text.ASCIIEncoding.ASCII.GetString (buffer);
throw new ContentException (String.Format ("Failed to find content code for '{0}'. Data length is {1}; content is {2}",
ContentCodeBag.GetStringFormat (num), length, s));
}
node.Name = code.Name;
switch (code.Type) {
case ContentType.Char:
node.Value = (byte) buffer[offset + 8];
break;
case ContentType.Short:
node.Value = IPAddress.NetworkToHostOrder (BitConverter.ToInt16 (buffer, offset + 8));
break;
case ContentType.SignedLong:
case ContentType.Long:
node.Value = IPAddress.NetworkToHostOrder (BitConverter.ToInt32 (buffer, offset + 8));
break;
case ContentType.LongLong:
node.Value = IPAddress.NetworkToHostOrder (BitConverter.ToInt64 (buffer, offset + 8));
break;
case ContentType.String:
node.Value = Encoding.UTF8.GetString (buffer, offset + 8, length);
break;
case ContentType.Date:
node.Value = Utility.ToDateTime (IPAddress.NetworkToHostOrder (BitConverter.ToInt32 (buffer, offset + 8)));
break;
case ContentType.Version:
int major = IPAddress.NetworkToHostOrder (BitConverter.ToInt16 (buffer, offset + 8));
int minor = (int) buffer[offset + 10];
int micro = (int) buffer[offset + 11];
node.Value = new Version (major, minor, micro);
break;
case ContentType.Container:
node.Value = ParseChildren (bag, buffer, offset + 8, length);
break;
default:
throw new ContentException (String.Format ("Unknown content type '{0}' for '{1}'",
code.Type, code.Name));
}
offset += length + 8;
if (root != null) {
ContentNode rootNode = node.GetChild (root);
if (rootNode == null)
throw new ContentException (String.Format ("Could not find root node '{0}'", root));
return rootNode;
} else {
return node;
}
}