public async Task <object> Send(CrossSocket client, Request request, bool nowait)
{
int taskid = this.taskid++;
if (nowait)
{
request.taskid = -1;
this.taskid--;
}
else
{
request.taskid = taskid;
}
string content = JsonConvert.SerializeObject(request);
byte[] data = Encoding.UTF8.GetBytes(content + "\n");
await client.SendAsync(data);
if (!nowait)
{
SocketStore store = GetStoreForSocket(client, true);
store.tasks[taskid] = new TaskCompletionSource <object>();
return(await store.tasks[taskid].Task);
}
return(null);
}
public async Task AttachDisconnect(CrossSocket client)
{
await client.WaitDisconnect();
var store = GetStoreForSocket(client, false);
if (store != null)
{
var tasks = store.tasks;
if (tasks != null)
{
var ex = new RemoteException("RPA connection was destroyed");
ex.Code = "RPA_DESTROYED";
foreach (var Item in tasks)
{
Item.Value.SetException(ex);
}
store.tasks = null;
}
if (store.refs != null)
{
foreach (var Item in store.refs)
{
int count = Item.Value;
for (int i = 0; i < count; i++)
{
this.UnRef(Item.Key, client);
}
}
store.refs = null;
}
socketStore.Remove(client);
}
}
public async Task <CrossSocket> AcceptAsync()
{
if (pipeid != null && pipeid.Length != 0)
{
NamedPipeServerStream nm = new NamedPipeServerStream(pipeid, PipeDirection.InOut, NamedPipeServerStream.MaxAllowedServerInstances, PipeTransmissionMode.Message, PipeOptions.Asynchronous);
await nm.WaitForConnectionAsync();
var csocket = new CrossSocket();
csocket.pipe = nm;
csocket.pipeid = pipeid;
return(csocket);
}
else if (socket == null)
{
throw new Exception("This socket is not server");
}
else
{
var socket = await this.socket.AcceptAsync();
var csocket = new CrossSocket();
csocket.socket = socket;
return(csocket);
}
}
public async Task <CrossSocket> Create()
{
if (!IsUnix)
{
var csocket = new CrossSocket();
csocket.pipeid = GetSha1Id();
return(csocket);
}
else
{
var home = Environment.GetEnvironmentVariable("HOME");
if (!((new DirectoryInfo(home)).Exists))
{
home = "/Users/" + Environment.GetEnvironmentVariable("USER");
}
var kawi = home + "/.kawi";
var kawidir = new DirectoryInfo(kawi);
if (!kawidir.Exists)
{
kawidir.Create();
}
kawi = kawi + "/rpa";
kawidir = new DirectoryInfo(kawi);
if (!kawidir.Exists)
{
kawidir.Create();
}
var socket = new Socket(AddressFamily.Unix, SocketType.Stream, ProtocolType.IP);
var file = kawi + "/" + GetSha1Id();
var unixEndPoint = new UnixEndPoint(file);
//Console.WriteLine(file);
try{
socket.Bind(unixEndPoint);
socket.Listen(100);
}catch (Exception) {
bool isactive = await this.IsActive();
if (!isactive)
{
(new FileInfo(file)).Delete();
socket.Bind(unixEndPoint);
socket.Listen(100);
}
else
{
var ex = new RemoteException("RPA cannot register, id " + id + " is already used");
ex.Code = "RPA_ID_USED";
throw ex;
}
}
var csocket = new CrossSocket();
csocket.socket = socket;
return(csocket);
}
}
public object[] ConvertArguments(object[] args, CrossSocket client)
{
for (int i = 0; i < args.Length; i++)
{
args[i] = ConvertArgument(args[i], client);
}
return(args);
}
public async Task UnRef(object target, CrossSocket client)
{
if (target is DynamicRemoteObject)
{
var remote = (DynamicRemoteObject)target;
if (remote.dictionary.ContainsKey("rpa_from") && (bool)remote.dictionary["rpa_from"])
{
await remote.UnRef();
return;
}
}
string id = "";
if (target is string)
{
id = target.ToString();
}
else
{
object search = hash[target];
if (search != null)
{
id = search.ToString();
}
}
if (id != "")
{
if (references.ContainsKey(id))
{
var refered = references[id];
refered.references--;
if (refered.references <= 0)
{
this.hash.Remove(refered.target);
references.Remove(id);
}
}
if (client != null)
{
var store = GetStoreForSocket(client, false);
if (store != null)
{
if (store.refs.ContainsKey(id))
{
store.refs[id]--;
if (store.refs[id] == 0)
{
store.refs.Remove(id);
}
}
}
}
}
}
public static Task <object> Invoke(Server server, CrossSocket socket, string rpa_id, object[] args)
{
args = server.ConvertArguments(args, socket);
Request req = new Request();
req.method = "rpa_run";
req.target = rpa_id;
req.arguments = args;
return(server.Send(socket, req));
}
public object[] GetArguments(CrossSocket client, JArray args1)
{
object[] args = new object[args1.Count];
int i = 0;
foreach (object value in args1)
{
args[i] = GetArgument(client, value);
i++;
}
return(args);
}
public IDictionary <string, object> GetFromJObject(CrossSocket client, JObject value)
{
DynamicRemoteObject d = new DynamicRemoteObject();
IDictionary <string, object> data = (IDictionary <string, object>)d;
foreach (JProperty property in value.Properties())
{
var val = property.Value;
data[property.Name] = GetArgument(client, val);
}
return(data);
}
public async void SendAnswer(CrossSocket client, JObject command, object result)
{
Answer answer = new Answer();
answer.taskid = command.Value <int>("taskid");
answer.result.data = ConvertArgument(result, client);
string content = JsonConvert.SerializeObject(answer);
//Console.WriteLine("sending: " + content);
byte[] data = Encoding.UTF8.GetBytes(content + "\n");
await client.SendAsync(data);
}
public async void Create()
{
SocketWrapper socw = new SocketWrapper(this.id);
CrossSocket socket = await socw.Create();
while (true)
{
var client = await socket.AcceptAsync();
this.Connection(client);
this.AttachDisconnect(client);
}
}
public async Task <bool> IsActive()
{
var serveractive = true;
try{
CrossSocket sock = await Connect();
sock.Close();
}
catch (Exception)
{
serveractive = false;
}
return(serveractive);
}
public string AddRef(object target, string id, CrossSocket client)
{
if (id == "")
{
object nid = hash[target];
if (nid != null)
{
id = (string)nid;
}
else
{
id = "R>" + (count++).ToString();
hash[target] = id;
}
}
Reference r = null;
if (!references.ContainsKey(id))
{
r = new Reference();
references.Add(id, r);
r.id = id;
r.target = target;
}
else
{
r = references[id];
}
r.references++;
if (client != null)
{
var store = GetStoreForSocket(client, true);
if (!store.refs.ContainsKey(id))
{
store.refs[id] = 1;
}
else
{
store.refs[id]++;
}
}
return(id);
}
public async void SendAnswerError(CrossSocket client, JObject command, Exception error)
{
//Console.WriteLine(error.Message);
Answer answer = new Answer();
answer.taskid = command.Value <int>("taskid");
answer.result.error = new Error();
answer.result.error.message = error.Message;
answer.result.error.stack = error.Message + "\n" + error.StackTrace;
answer.result.error.code = error.GetType().FullName;
string content = JsonConvert.SerializeObject(answer);
byte[] data = Encoding.UTF8.GetBytes(content + "\n");
await client.SendAsync(data);
}
public SocketStore GetStoreForSocket(CrossSocket client, bool create)
{
var value = socketStore[client];
SocketStore store = null;
if (value != null)
{
store = (SocketStore)value;
}
else if (create)
{
store = new SocketStore();
socketStore[client] = store;
}
return(store);
}
public async void Connection(CrossSocket client)
{
List <byte> alldata = new List <byte>();
byte[] data = new byte[100];
int client1 = ccount++;
while (client.Connected)
{
int received = await client.ReceiveAsync(data);
int offset = 0;
if (received > 0)
{
while (true)
{
int searched = Array.IndexOf(data, (byte)10, offset);
if (searched >= 0 && searched < received)
{
byte[] newdata = new byte[searched - offset];
Array.Copy(data, offset, newdata, 0, searched - offset);
alldata.InsertRange(alldata.Count, newdata);
string text = Encoding.UTF8.GetString(alldata.ToArray());
alldata.Clear();
this.CommandReceived(client, text);
offset = searched + 1;
}
else
{
byte[] newdata = new byte[received - offset];
Array.Copy(data, offset, newdata, 0, received - offset);
alldata.InsertRange(alldata.Count, newdata);
break;
}
}
}
else
{
client.Validate();
}
}
}
public object ConvertArgument(object arg, CrossSocket client)
{
if (arg == null)
{
return(arg);
}
if (arg is string || arg.GetType().IsPrimitive)
{
return(arg);
}
if (arg is IDictionary <string, object> )
{
var dict = (IDictionary <string, object>)arg;
if (dict.ContainsKey("rpa_id"))
{
var newarg1 = new RemoteObject();
newarg1.rpa_id = (string)dict["rpa_id"];
return(newarg1);
}
}
if (arg is Value)
{
arg = ((Value)arg).GetOriginalValue();
return(arg);
}
string id = this.AddRef(arg, "", client);
var newarg = new RemoteObject();
newarg.rpa_id = id;
newarg.rpa_from = true;
if (typeof(MulticastDelegate).IsAssignableFrom(arg.GetType()))
{
newarg.rpa_function = true;
}
return(newarg);
}
public async Task <CrossSocket> Connect()
{
if (IsUnix)
{
var home = Environment.GetEnvironmentVariable("HOME");
if (!((new DirectoryInfo(home)).Exists))
{
home = "/Users/" + Environment.GetEnvironmentVariable("USER");
}
var kawi = home + "/.kawi";
var kawidir = new DirectoryInfo(kawi);
if (!kawidir.Exists)
{
kawidir.Create();
}
kawi = kawi + "/rpa";
kawidir = new DirectoryInfo(kawi);
if (!kawidir.Exists)
{
kawidir.Create();
}
var file = kawi + "/" + GetSha1Id();
var socket = new Socket(AddressFamily.Unix, SocketType.Stream, ProtocolType.IP);
var unixEndPoint = new UnixEndPoint(file);
await socket.ConnectAsync(unixEndPoint);
CrossSocket csocket = new CrossSocket();
csocket.socket = socket;
return(csocket);
}
else
{
var pipe = new NamedPipeClientStream(GetSha1Id());
CrossSocket csocket = new CrossSocket();
csocket.pipec = pipe;
return(csocket);
}
}
public static Task <object> InvokeMethod(Server server, CrossSocket socket, string rpa_id, string method)
{
return(InvokeMethod(server, socket, rpa_id, method, new object[] { }));
}
public object GetArgument(CrossSocket client, object value1)
{
if (value1 is JValue)
{
var value = (JValue)value1;
if (value.Type == JTokenType.Integer)
{
long val = value.ToObject <long>();
if (val <= Int32.MaxValue || val >= Int32.MinValue)
{
return((int)val);
}
else
{
return(val);
}
}
else if (value.Type == JTokenType.Float)
{
double val = value.ToObject <double>();
if (val <= Single.MaxValue || val >= Single.MinValue)
{
return((float)val);
}
else
{
return(val);
}
}
else if (value.Type == JTokenType.String)
{
return(value.ToObject <string>());
}
else if (value.Type == JTokenType.Null || value.Type == JTokenType.Undefined)
{
return(null);
}
else if (value.Type == JTokenType.Boolean)
{
return(value.ToObject <bool>());
}
}
else if (value1 is JArray)
{
return(GetArguments(client, (JArray)value1));
}
else if (value1 is JObject)
{
var obj = (JObject)value1;
IDictionary <string, object> data = GetFromJObject(client, obj);
if (data.ContainsKey("rpa_socket"))
{
return(client);
}
else if (data.ContainsKey("rpa_id"))
{
if (data.ContainsKey("rpa_from") && (bool)data["rpa_from"])
{
DynamicRemoteObject val = null;
if (data.ContainsKey("rpa_array") && (bool)data["rpa_array"])
{
val = new DynamicRemoteArrayObject(this, client);
//val["Length"] = data["length"];
}
else
{
val = new DynamicRemoteObject(this, client);
}
foreach (var Item in data)
{
val.dictionary.Add(Item.Key, Item.Value);
}
return(val);
/*
* var vall = new RemoteObject(this, client);
* vall.rpa_id = (string)data["rpa_id"];
* vall.rpa_from = true;
* if(data.ContainsKey("rpa_function"))
* vall.rpa_function = (bool)data["rpa_function"];
* return vall.ConvertToDynamic();
*/
}
else
{
string id = data["rpa_id"].ToString();
return(GetTarget(id));
}
}
else if (data.ContainsKey("rpa_array") && (bool)data["rpa_array"])
{
var val = new DynamicRemoteArrayObject(this, client);
val.dictionary = ((DynamicRemoteObject)data).dictionary;
//val["Length"] = data["length"];
return(val);
}
else
{
return(data);
}
}
return(null);
}
public Task unRef(object target, CrossSocket client)
{
return(UnRef(target, client));
}
public async void CommandReceived(CrossSocket client, string text)
{
//Console.WriteLine(text);
Newtonsoft.Json.Linq.JObject command = (Newtonsoft.Json.Linq.JObject)JsonConvert.DeserializeObject(text);
var answer = command.Property("answer");
if (answer != null && answer.ToObject <bool>())
{
// is an answer ...
// get the response
var store = GetStoreForSocket(client, false);
if (store != null)
{
TaskCompletionSource <object> taskPromise = null;
var taskid = command.Value <int>("taskid");
if (store.tasks.TryGetValue(taskid, out taskPromise))
{
store.tasks.Remove(taskid);
JObject Result = command.Value <JObject>("result");
if (Result != null)
{
var dict = (IDictionary <string, object>)GetArgument(client, Result);
if (dict.ContainsKey("error"))
{
var error = new RemoteException((string)((IDictionary <string, object>)dict["error"])["message"]);
var Ex = (IDictionary <string, object>)dict["error"];
error.Code = (string)Ex["code"];
if (Ex.ContainsKey("stack"))
{
error.Stack = (string)Ex["stack"];
}
taskPromise.SetException(error);
}
else
{
taskPromise.SetResult(GetArgument(client, Result["data"]));
}
}
}
}
}
else
{
object result = null;
object[] args2 = null;
try{
string targetid = command.Property("target").ToObject <string>();
object o = GetTarget(targetid);
TypeInfo t = null;
if (o is TypeInfo)
{
t = (TypeInfo)o;
if (!t.noninstance)
{
t = ClassWrapper.GetFromObject(o);
}
}
else
{
t = ClassWrapper.GetFromObject(o);
}
string method = command.Property("method").ToObject <string>();
if (!t.methods.ContainsKey(method))
{
if (method == "rpa_run")
{
method = "Invoke";
if (!t.methods.ContainsKey(method))
{
throw new Exception("Method " + method + " not found in " + targetid);
}
}
else
{
throw new Exception("Method " + method + " not found in " + targetid);
}
}
JArray args1 = (JArray)command["arguments"];
args2 = GetArguments(client, args1);
if (t.noninstance)
{
result = t.methods[method].Invoke(null, args2);
}
else
{
result = t.methods[method].Invoke(o, args2);
}
if (result is System.Threading.Tasks.Task)
{
System.Threading.Tasks.Task task = (System.Threading.Tasks.Task)result;
await task;
if (task.Exception != null)
{
SendAnswerError(client, command, task.Exception);
}
else
{
Type taskType = result.GetType();
Type[] generic = taskType.GetGenericArguments();
if (generic.Length > 0)
{
TypeInfo taskTypeInfo = ClassWrapper.GetFromObject(result);
result = taskTypeInfo.methods["get_Result"].Invoke(result, new object[] {});
}
else
{
result = null;
}
SendAnswer(client, command, result);
}
}
else
{
SendAnswer(client, command, result);
}
}catch (Exception e) {
SendAnswerError(client, command, e);
}
finally{
try{
if (args2 != null && Autounref)
{
foreach (object arg in args2)
{
if (arg is DynamicRemoteObject)
{
var remote = (DynamicRemoteObject)arg;
if (remote.preserved <= 0)
{
await remote.UnRef();
}
}
}
}
}catch (Exception e) {
Console.WriteLine("Failed unref: " + e.Message);
}
}
//Console.WriteLine(result);
// send the result
}
}
public Task <object> Send(CrossSocket client, Request request)
{
return(Send(client, request, false));
}
public DynamicRemoteObject(Server server, CrossSocket client)
{
socket = client;
this.server = server;
}
public DynamicRemoteArrayObject(Server server, CrossSocket client) : base(server, client)
{
}
