/// <summary>
/// Make a mesage to store the given data.
/// </summary>
/// <param name="nodeID">The sender identificator</param>
/// <param name="request">The StoreResponse message that originated this message</param>
/// <param name="theData">The CompleteTag to store</param>
/// <param name="originalPublication">The publication datetime</param>
/// <param name="nodeEndpoint">The sender node's kademlia address</param>
/// <param name="transportUri">The sender node's transport uri</param>
public StoreData(ID nodeID, StoreResponse request, CompleteTag theData, DateTime originalPublication, Uri nodeEndpoint, Uri transportUri)
: base(nodeID, request, nodeEndpoint)
{
this.data = theData;
this.publication = originalPublication;
this.transportUri = transportUri;
}
/// <summary>
/// This example uses the <c>Store</c> method to insert a new resource in the repository
/// </summary>
public static void StoreExample()
{
ExampleHelper.ExampleMethodPrint("Store a Tag and linking it with a peer URI", MethodInfo.GetCurrentMethod());
_repository.StoreResource(tag, new Uri("http://*****:*****@"..\..\Resource\SevenMP3.mp3");
_repository.StoreResource(anotherTag, new Uri("http://localhost:28182"), DateTime.Now);
}
/// <summary>
/// Main Constructor of the resource. This initializes the fields with the given values
/// </summary>
/// <param name="tag">Tag Information</param>
/// <param name="urls">List of supplier urls</param>
public KademliaResource(CompleteTag tag, params DhtElement[] urls) : this()
{
this.Tag = tag;
if (urls.Length != 0)
{
foreach (DhtElement e in urls)
{
this.Urls.Add(e);
}
// this.Urls.Union<DhtElement>(urls, new DhtElementComparer());
}
}
/// <summary>
/// Main Constructor of the resource. This initializes the fields with the given values
/// </summary>
/// <param name="tag">Tag Information</param>
/// <param name="urls">List of supplier urls</param>
public KademliaResource(CompleteTag tag, params DhtElement[] urls)
: this()
{
this.Tag = tag;
if (urls.Length != 0)
{
foreach (DhtElement e in urls)
{
this.Urls.Add(e);
}
// this.Urls.Union<DhtElement>(urls, new DhtElementComparer());
}
}
/// <summary>
/// This example shows how to read complete tag from file and write it to the console.
/// </summary>
private static void CompleteTagReadAndWrite()
{
ExampleHelper.ExampleMethodPrint("Generating Complete Tag From File and Read it",MethodInfo.GetCurrentMethod());
CompleteTag tag = new CompleteTag(@"..\..\Resource\SevenMP3.mp3");
Console.WriteLine("Hash: " + tag.FileHash);
Console.WriteLine("Title: " + tag.Title);
Console.WriteLine("Artist: " + tag.Artist);
Console.WriteLine("Album: " + tag.Album);
Console.WriteLine("Genre: " + tag.Genre);
Console.WriteLine("Year: " + tag.Year);
Console.WriteLine("Track: " + tag.Track);
Console.WriteLine("Length: " + tag.Length);
Console.WriteLine("File Size: " + tag.FileSize);
Console.WriteLine("Channels: " + tag.Channels);
Console.WriteLine("Bitrate: " + tag.Bitrate);
Console.WriteLine("Sample Rate: " + tag.SampleRate);
//Console.WriteLine("Specific Tag: " + tag.SpecificTag.GetType().FullName);
}
/// <summary>
/// This example shows how to build a <c>CompleteTag</c> and a <c>LightTag</c>.
/// </summary>
private static void CompleteToLightTag()
{
ExampleHelper.ExampleMethodPrint("Generating Light Tag from Complete Tag and Read it", MethodInfo.GetCurrentMethod());
CompleteTag tag = new CompleteTag(@"..\..\Resource\SevenMP3.mp3");
Console.WriteLine("Read info from Complete Tag");
Console.WriteLine("Title: " + tag.Title);
Console.WriteLine("Artist: " + tag.Artist);
Console.WriteLine("Album: " + tag.Album);
LightTag miniTag = new LightTag(tag);
Console.WriteLine("Read info from Light Tag");
Console.WriteLine("Title. " + miniTag.Title);
Console.WriteLine("Artist: " + miniTag.Artist);
Console.WriteLine("Album: " + miniTag.Album);
Console.WriteLine("Raw Byte Length: " + miniTag.RawData.Length);
Console.WriteLine("Raw Byte : " + miniTag.ToString());
}
/// <summary>
/// This example shows how to read complete tag from file and write it to the console.
/// </summary>
private static void CompleteTagReadAndWrite()
{
ExampleHelper.ExampleMethodPrint("Generating Complete Tag From File and Read it", MethodInfo.GetCurrentMethod());
CompleteTag tag = new CompleteTag(@"..\..\Resource\SevenMP3.mp3");
Console.WriteLine("Hash: " + tag.FileHash);
Console.WriteLine("Title: " + tag.Title);
Console.WriteLine("Artist: " + tag.Artist);
Console.WriteLine("Album: " + tag.Album);
Console.WriteLine("Genre: " + tag.Genre);
Console.WriteLine("Year: " + tag.Year);
Console.WriteLine("Track: " + tag.Track);
Console.WriteLine("Length: " + tag.Length);
Console.WriteLine("File Size: " + tag.FileSize);
Console.WriteLine("Channels: " + tag.Channels);
Console.WriteLine("Bitrate: " + tag.Bitrate);
Console.WriteLine("Sample Rate: " + tag.SampleRate);
//Console.WriteLine("Specific Tag: " + tag.SpecificTag.GetType().FullName);
}
/// <summary>
/// Generates a clean list (without semanticless words) of keyword related to the given tag
/// </summary>
/// <param name="tag">Tag for whom we want to generate the keywords</param>
/// <returns>A clean array of related keywords</returns>
private string[] generatePrimaryKey(CompleteTag tag)
{
List <string> pkList = new List <string>();
StringBuilder sb = new StringBuilder();
sb.Append(tag.Title);
sb.Append(" ");
sb.Append(tag.Artist);
sb.Append(" ");
sb.Append(tag.Album);
string[] keywords = DiscardSemanticlessWords(sb.ToString()).Split(' ');
UTF8Encoding enc = new UTF8Encoding();
//Questo è solo un esercizio di stile !
/*Parallel.ForEach<string,List<string> >(keywords,
* () => new List<string>(),
* (key,loop,sublist) =>
* {
* sublist.Add(key);
* return sublist;
* },
* (finalResult) => pkList.AddRange(finalResult)
* );*/
for (int k = 0; k < keywords.Length; k++)
{
string key = null;
if (keywords[k].Length > 32)
{
key = keywords[k].Substring(0, 32).ToLower();
}
else
{
key = keywords[k].ToLower();
}
if (!pkList.Contains(key))
{
pkList.Add("kademliakeywords/" + key);
}
}
return(pkList.ToArray());
}
public JsonResult SaveTag(string completeTagDetails, string completeTags)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
// conver from string to object
CompleteTag completeTag = serializer.Deserialize <CompleteTag>(completeTags);
List <CompleteTagDetail> completeTagDetail = serializer.Deserialize <List <CompleteTagDetail> >(completeTagDetails);
bool status = false;
string message = string.Empty;
try
{
completeTag.ID = null;
completeTag.Date = DateTime.Now;
context.CompleteTags.Add(completeTag);
foreach (var ctd in completeTagDetail)
{
ctd.ID = null;
context.CompleteTagDetails.Add(ctd);
}
context.SaveChanges();
status = true;
}
catch (Exception ex)
{
status = false;
message = ex.Message;
}
return(Json(new
{
status = status,
message = message
}));
}
/// <summary>
/// This example shows how to build a <c>CompleteTag</c> and a <c>LightTag</c>.
/// </summary>
private static void CompleteToLightTag()
{
ExampleHelper.ExampleMethodPrint("Generating Light Tag from Complete Tag and Read it", MethodInfo.GetCurrentMethod());
CompleteTag tag = new CompleteTag(@"..\..\Resource\SevenMP3.mp3");
Console.WriteLine("Read info from Complete Tag");
Console.WriteLine("Title: " + tag.Title);
Console.WriteLine("Artist: " + tag.Artist);
Console.WriteLine("Album: " + tag.Album);
LightTag miniTag = new LightTag(tag);
Console.WriteLine("Read info from Light Tag");
Console.WriteLine("Title. " + miniTag.Title);
Console.WriteLine("Artist: " + miniTag.Artist);
Console.WriteLine("Album: " + miniTag.Album);
Console.WriteLine("Raw Byte Length: " + miniTag.RawData.Length);
Console.WriteLine("Raw Byte : " + miniTag.ToString());
}
public void StoreResource(CompleteTag tag, Uri uri, DateTime publicationTime)
{
}
/// <summary>
/// Generates a clean list (without semanticless words) of keyword related to the given tag
/// </summary>
/// <param name="tag">Tag for whom we want to generate the keywords</param>
/// <returns>A clean array of related keywords</returns>
private string[] generatePrimaryKey(CompleteTag tag)
{
List<string> pkList = new List<string>();
StringBuilder sb = new StringBuilder();
sb.Append(tag.Title);
sb.Append(" ");
sb.Append(tag.Artist);
sb.Append(" ");
sb.Append(tag.Album);
string[] keywords = DiscardSemanticlessWords(sb.ToString()).Split(' ');
UTF8Encoding enc = new UTF8Encoding();
//Questo è solo un esercizio di stile !
/*Parallel.ForEach<string,List<string> >(keywords,
() => new List<string>(),
(key,loop,sublist) =>
{
sublist.Add(key);
return sublist;
},
(finalResult) => pkList.AddRange(finalResult)
);*/
for (int k = 0; k < keywords.Length; k++)
{
string key = null;
if (keywords[k].Length > 32)
{
key = keywords[k].Substring(0, 32).ToLower();
}
else
{
key = keywords[k].ToLower();
}
if (!pkList.Contains(key)) pkList.Add("kademliakeywords/"+key);
}
return pkList.ToArray();
}
/// <summary>
/// Stores a tag as resource into the kademlia repository. If the resource already exists the method tries to add the
/// given Url (with the desired publication time) to the list of suppliers for that resource; if the url is already known
/// the method does nothing. If the resource is new first the method adds it to the repository and then generates a set of
/// keywords related to the new resource. For each generated keyword, if this is already in the repository the tag
/// identifier (that is the resource identifier too) will be added to the related tags list, if the keyword doesn't exist
/// it will be created and its related tags list will contains only the new resource.
/// </summary>
/// <param name="tag">Tag to store in the kademlia resource</param>
/// <param name="peer">Url of the supplier</param>
/// <param name="pubtime">Publication TIme</param>
/// <returns>False if something went wrong, true otherwise</returns>
public bool StoreResource(CompleteTag tag, Uri peer, DateTime pubtime)
{
KademliaResource rs = new KademliaResource();
Console.WriteLine("Storing resource from peer " + peer);
DhtElement dhtElem = new DhtElement(peer, pubtime, this._elementValidity);
RepositoryResponse resp = _repository.GetByKey <KademliaResource>(tag.TagHash, rs);
if (resp == RepositoryResponse.RepositoryLoad)
{
if (!rs.Urls.Contains(dhtElem))
{
_repository.ArrayAddElement(rs.Id, "Urls", dhtElem);
}
else
{
log.Debug("Urls " + peer.ToString() + " already known");
}
}
else if (resp == RepositoryResponse.RepositoryMissingKey)
{
rs = new KademliaResource(tag, dhtElem);
if (_repository.Save(rs) == RepositoryResponse.RepositorySuccess)
{
List <string> pks = new List <string>(generatePrimaryKey(tag));
List <KademliaKeyword> keys = new List <KademliaKeyword>();
if (_repository.GetByKeySet(pks.ToArray(), keys) > 0)
{
foreach (KademliaKeyword k in keys)
{
if (!k.Tags.Contains(rs.Id))
{
_repository.ArrayAddElement(k.Id, "Tags", rs.Id);
}
pks.Remove(k.Id);
}
foreach (String pk in pks)
{
KademliaKeyword localKey = new KademliaKeyword(pk, rs.Id);
_repository.Save(localKey);
}
}
else
{
log.Error("Unexpected reposnde while getting keywords");
return(false);
}
}
else
{
log.Error("Unexpected response while inserting Tag with key " + tag.TagHash);
return(false);
}
}
else
{
log.Error("Unexpected response while testing presence of the key " + tag.TagHash);
return(false);
}
return(true);
}
/// <summary>
/// Costruttore che permette di estrarre un Tag alleggerito da un tag completo.
/// </summary>
/// <param name="tag">Tag Completo da cui estrarre i dati</param>
public LightTag(CompleteTag tag) : this()
{
this.SetTagData(tag.Title, tag.Artist, tag.Album);
}
/// <summary>
/// Stores a tag as resource into the kademlia repository. If the resource already exists the method tries to add the
/// given Url (with the desired publication time) to the list of suppliers for that resource; if the url is already known
/// the method does nothing. If the resource is new first the method adds it to the repository and then generates a set of
/// keywords related to the new resource. For each generated keyword, if this is already in the repository the tag
/// identifier (that is the resource identifier too) will be added to the related tags list, if the keyword doesn't exist
/// it will be created and its related tags list will contains only the new resource.
/// </summary>
/// <param name="tag">Tag to store in the kademlia resource</param>
/// <param name="peer">Url of the supplier</param>
/// <param name="pubtime">Publication TIme</param>
/// <returns>False if something went wrong, true otherwise</returns>
public bool StoreResource(CompleteTag tag, Uri peer,DateTime pubtime)
{
KademliaResource rs = new KademliaResource();
Console.WriteLine("Storing resource from peer " + peer);
DhtElement dhtElem = new DhtElement(peer, pubtime, this._elementValidity);
RepositoryResponse resp = _repository.GetByKey<KademliaResource>(tag.TagHash, rs);
if ( resp == RepositoryResponse.RepositoryLoad)
{
if (!rs.Urls.Contains(dhtElem)) {
_repository.ArrayAddElement(rs.Id, "Urls", dhtElem);
} else {
log.Debug("Urls "+peer.ToString()+" already known");
}
}
else if (resp == RepositoryResponse.RepositoryMissingKey)
{
rs = new KademliaResource(tag, dhtElem);
if (_repository.Save(rs) == RepositoryResponse.RepositorySuccess)
{
List<string> pks = new List<string>(generatePrimaryKey(tag));
List<KademliaKeyword> keys = new List<KademliaKeyword>();
if (_repository.GetByKeySet(pks.ToArray(), keys) > 0)
{
foreach (KademliaKeyword k in keys)
{
if (!k.Tags.Contains(rs.Id))
{
_repository.ArrayAddElement(k.Id, "Tags", rs.Id);
}
pks.Remove(k.Id);
}
foreach (String pk in pks)
{
KademliaKeyword localKey = new KademliaKeyword(pk,rs.Id);
_repository.Save(localKey);
}
}
else
{
log.Error("Unexpected reposnde while getting keywords");
return false;
}
}
else
{
log.Error("Unexpected response while inserting Tag with key " + tag.TagHash);
return false;
}
}
else
{
log.Error("Unexpected response while testing presence of the key " + tag.TagHash);
return false;
}
return true;
}
/// <summary>
/// This example uses the <c>Store</c> method to insert a new resource in the repository
/// </summary>
public static void StoreExample()
{
ExampleHelper.ExampleMethodPrint("Store a Tag and linking it with a peer URI", MethodInfo.GetCurrentMethod());
_repository.StoreResource(tag, new Uri("http://*****:*****@"..\..\Resource\SevenMP3.mp3");
_repository.StoreResource(anotherTag,new Uri("http://localhost:28182"),DateTime.Now);
}
/// <summary>
/// Costruttore che permette di estrarre un Tag alleggerito da un tag completo.
/// </summary>
/// <param name="tag">Tag Completo da cui estrarre i dati</param>
public LightTag(CompleteTag tag)
: this()
{
this.SetTagData(tag.Title, tag.Artist, tag.Album);
}
public void StoreResource(CompleteTag tag, Uri uri, DateTime publicationTime)
{
}
/// <summary>
/// Creates a new <see cref="Submodule"/> with the given information
/// </summary>
/// <param name="solutionPath">The path to the current opend solution</param>
/// <param name="subModuleInformation">The <see cref="string"/>
/// that contains informations of the submodule</param>
internal Submodule(string solutionPath, string subModuleInformation)
{
ShowSlimInformations = true;
if (string.IsNullOrEmpty(subModuleInformation))
{
return;
}
var lineSplit = subModuleInformation.TrimStart().Split(' ');
CompleteId = lineSplit.FirstOrDefault();
Name = lineSplit.ElementAtOrDefault(1) ?? "???";
CompleteTag = lineSplit.ElementAtOrDefault(2) ?? "???";
CompleteId = !string.IsNullOrEmpty(CompleteId)
? CompleteId.Replace("U", string.Empty)
.Replace("+", string.Empty)
.Replace("-", string.Empty)
.TrimStart()
: "???";
ShortId = CompleteId.Substring(0, 7);
SetSubModuleStatus(solutionPath, subModuleInformation);
SetBackgroundColor();
// TODO: this if is useless, should be remove?
if (string.IsNullOrEmpty(CompleteTag))
{
ChangeHealthStatus(HealthStatus.Unknown);
return;
}
CompleteTag = CompleteTag.TrimStart('(').TrimEnd(')');
if (CompleteTag.EndsWith("HEAD", StringComparison.Ordinal))
{
ChangeHealthStatus(HealthStatus.Head);
return;
}
if (CompleteId.StartsWith(CompleteTag, StringComparison.Ordinal))
{
ChangeHealthStatus(HealthStatus.Okay);
return;
}
if (CompleteTag.StartsWith("heads", StringComparison.Ordinal) && !CompleteTag.Contains("-"))
{
ChangeHealthStatus(HealthStatus.Okay);
return;
}
var splittedTag = CompleteTag.Split('-');
if ((splittedTag.Length - 2) < 1)
{
ChangeHealthStatus(HealthStatus.Unknown);
return;
}
int numberOfAdditionalCommits;
int.TryParse(splittedTag.ElementAtOrDefault(splittedTag.Length - 2), out numberOfAdditionalCommits);
NumberOfAdditionalCommits = numberOfAdditionalCommits;
ChangeHealthStatus(NumberOfAdditionalCommits == 0 ? HealthStatus.Unknown : HealthStatus.Warning);
}
/// <summary>
/// Make a mesage to store the given data.
/// </summary>
/// <param name="nodeID">The sender identificator</param>
/// <param name="request">The StoreResponse message that originated this message</param>
/// <param name="theData">The CompleteTag to store</param>
/// <param name="originalPublication">The publication datetime</param>
/// <param name="nodeEndpoint">The sender node's kademlia address</param>
/// <param name="transportUri">The sender node's transport uri</param>
public StoreData(ID nodeID, StoreResponse request, CompleteTag theData, DateTime originalPublication, Uri nodeEndpoint, Uri transportUri) : base(nodeID, request, nodeEndpoint)
{
this.data = theData;
this.publication = originalPublication;
this.transportUri = transportUri;
}
