private void AddCode(string num, string name, ContentType type)
{
ContentCode code = new ContentCode();
code.Number = GetIntFormat(num);
code.Name = name;
code.Type = type;
codes[code.Number] = code;
}
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);
// Artwork
bag.AddCode("asac", "daap.songartworkcount", ContentType.Short);
bag.AddCode("ased", "daap.songextradata", ContentType.Short);
bag.AddCode("ated", "daap.supportsextradata", ContentType.Short);
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.codes[code.Number] = code;
}
return(bag);
}
internal ContentNode ToNode()
{
ArrayList nodes = new ArrayList();
foreach (int number in codes.Keys)
{
ContentCode code = (ContentCode)codes[number];
ArrayList contents = new ArrayList();
contents.Add(new ContentNode("dmap.contentcodesnumber", code.Number));
contents.Add(new ContentNode("dmap.contentcodesname", code.Name));
contents.Add(new ContentNode("dmap.contentcodestype", code.Type));
ContentNode dict = new ContentNode("dmap.dictionary", contents);
nodes.Add(dict);
}
ContentNode status = new ContentNode("dmap.status", 200);
return(new ContentNode("dmap.contentcodesresponse", status, nodes));
}
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))
{
throw new ContentException(String.Format("Failed to find content code for '{0}'. Data length is {1}",
ContentCodeBag.GetStringFormat(num), length));
}
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);
}
}
private void AddCode(string num, string name, ContentType type)
{
ContentCode code = new ContentCode();
code.Number = GetIntFormat(num);
code.Name = name;
code.Type = type;
codes[code.Number] = code;
}
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("cmst", "tune.root", ContentType.Container);
bag.AddCode("cmsr", "tune.rev", ContentType.Long);
bag.AddCode("caps", "tune.status", ContentType.Char);
bag.AddCode("cash", "tune.shuffle", ContentType.Char);
bag.AddCode("carp", "tune.repeat", ContentType.Char);
bag.AddCode("cavc", "tune.xxx", ContentType.Char);
bag.AddCode("caas", "tune.xxx", ContentType.Long);
bag.AddCode("caar", "tune.xxx", ContentType.Long);
bag.AddCode("canp", "tune.xxx", ContentType.String);
bag.AddCode("cann", "tune.track", ContentType.String);
bag.AddCode("cana", "tune.artist", ContentType.String);
bag.AddCode("canl", "tune.album", ContentType.String);
bag.AddCode("cang", "tune.xxx", ContentType.Short);
bag.AddCode("cmmk", "tune.xxx", ContentType.Long);
bag.AddCode("cant", "tune.remaining", ContentType.Long);
bag.AddCode("cast", "tune.total", ContentType.Long);
bag.AddCode("cmgt", "vol.root", ContentType.Container);
bag.AddCode("cmvo", "tune.volume", ContentType.Long);
bag.AddCode("ceGS", "tune.xxx", ContentType.String);
bag.AddCode("mdbk", "db.xxx", ContentType.Long);
bag.AddCode("aeIM", "db.xxx", ContentType.LongLong);
bag.AddCode("cacr", "cue.xxx", ContentType.Container);
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.codes[code.Number] = code;
}
return bag;
}
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)
{
Write(bag, child, childWriter);
}
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);
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.codes[code.Number] = code;
}
return bag;
}
