public SnakeModel(DbPersistence dataAcces)
{
_dataAccess = dataAcces;
_timer = new Timer();
_timer.Interval = 600;
rand = new Random();
Snake = new List <Point>();
_timer.Elapsed += Move;
}
private void App_StartUp(object sender, StartupEventArgs e)
{
DbPersistence _dataAccess = new DbPersistence("name=SnakeModel");
_model = new SnakeModel(_dataAccess);
_viewmodel = new SnakeViewModel(_model);
_viewmodel.LoadGameOpen += new EventHandler(ViewModel_LoadGameOpen);
_viewmodel.LoadGameClose += new EventHandler <String>(ViewModel_LoadGameClose);
_viewmodel.SaveGameOpen += new EventHandler(SaveGameOpen);
_viewmodel.SaveGameClose += new EventHandler <String>(SaveGameClose);
_view = new MainWindow();
_view.DataContext = _viewmodel;
_view.Show();
}
static void Main(string[] args)
{
Console.Title = "DB Persister";
var decodedMessages = new BlockingCollection <DecodedMessage>();
var consumerCts = new CancellationTokenSource();
var consumer = new Consumer();
consumer.StartConsuming(consumerCts.Token, decodedMessages);
var dbPersisterCts = new CancellationTokenSource();
var dbPersister = new DbPersistence();
dbPersister.StartPersisting(dbPersisterCts.Token, TimeSpan.FromSeconds(10), decodedMessages);
Console.WriteLine("Press any key to shutdown");
Console.ReadKey();
consumerCts.Cancel();
// perform a shutdown, allowing for 60 seconds to process current items
// this is just an example, it could end with message loss
var sw = new Stopwatch();
sw.Start();
while (decodedMessages.Any())
{
if (sw.ElapsedMilliseconds > 60000)
{
dbPersisterCts.Cancel(); // force close (could lose messages)
}
else
{
Thread.Sleep(100);
}
}
}
private void ClientThread(Socket client)
{
Console.WriteLine("Client thread started");
while (true)
{
//read
byte[] rcvLenBytes = new byte[4];
client.Receive(rcvLenBytes);
int rcvLen = BitConverter.ToInt32(rcvLenBytes, 0);
byte[] dataFromClient = new byte[rcvLen];
client.Receive(dataFromClient);
string message = Encoding.ASCII.GetString(dataFromClient, 0, rcvLen);
Console.WriteLine(message);
Request request =
JsonSerializer.Deserialize <Request>(Encoding.ASCII.GetString(dataFromClient, 0, rcvLen));
if (message.Equals("stop"))
{
Console.WriteLine(message);
break;
}
//respond
switch (request.Type)
{
case RequestType.AddPost:
AddPostRequest addPostRequest = JsonSerializer.Deserialize <AddPostRequest>(message);
Post newPost = DbPersistence.AddPost(addPostRequest.Post);
string responseMessageAddPost = JsonSerializer.Serialize(new AddPostRequest(newPost));
int toSendLenAddPost = Encoding.ASCII.GetByteCount(responseMessageAddPost);
byte[] toSendBytesAddPost = Encoding.ASCII.GetBytes(responseMessageAddPost);
byte[] toSendLenBytesAddPost = BitConverter.GetBytes(toSendLenAddPost);
client.Send(toSendLenBytesAddPost);
client.Send(toSendBytesAddPost);
break;
case RequestType.DeletePost:
DeletePostRequest deletePostRequest = JsonSerializer.Deserialize <DeletePostRequest>(message);
DbPersistence.DeletePost(deletePostRequest.PostId);
int toSendDelPost = Encoding.ASCII.GetByteCount(message);
byte[] toSendBytesDelPost = Encoding.ASCII.GetBytes(message);
byte[] toSendLenBytesDelPost = BitConverter.GetBytes(toSendDelPost);
client.Send(toSendLenBytesDelPost);
client.Send(toSendBytesDelPost);
break;
case RequestType.DeleteUser:
DeleteUserRequest deleteUserRequest = JsonSerializer.Deserialize <DeleteUserRequest>(message);
DbPersistence.DeleteUser(deleteUserRequest.UserId);
int toSendDelUser = Encoding.ASCII.GetByteCount(message);
byte[] toSendBytesDelUser = Encoding.ASCII.GetBytes(message);
byte[] toSendLenBytesDelUser = BitConverter.GetBytes(toSendDelUser);
client.Send(toSendLenBytesDelUser);
client.Send(toSendBytesDelUser);
break;
case RequestType.GetPosts:
List <Post> posts = DbPersistence.GetPosts();
if (posts == null)
{
posts = new List <Post>();
}
string getPostsResponseMessage = JsonSerializer.Serialize(new GetPostsResponse(posts));
int toGetPosts = Encoding.ASCII.GetByteCount(getPostsResponseMessage);
byte[] toSendLenGetPosts = BitConverter.GetBytes(toGetPosts);
byte[] dataToClientGetPosts = Encoding.ASCII.GetBytes(getPostsResponseMessage);
client.Send(toSendLenGetPosts);
client.Send(dataToClientGetPosts);
break;
case RequestType.GetUsers:
List <User> users = DbPersistence.GetUsers();
if (users == null)
{
users = new List <User>();
}
string getUsersResponseMessage = JsonSerializer.Serialize(new GetUsersResponse(users));
int toGetUsers = Encoding.ASCII.GetByteCount(getUsersResponseMessage);
byte[] toSendLenGetUsers = BitConverter.GetBytes(toGetUsers);
byte[] dataToClientGetUsers = Encoding.ASCII.GetBytes(getUsersResponseMessage);
client.Send(toSendLenGetUsers);
client.Send(dataToClientGetUsers);
break;
case RequestType.PostUser:
PostUserRequest postUserRequest = JsonSerializer.Deserialize <PostUserRequest>(message);
User newUser = DbPersistence.AddUser(postUserRequest.User);
string responseMessagePostUser = JsonSerializer.Serialize(new PostUserRequest(newUser));
int toSendPostUser = Encoding.ASCII.GetByteCount(responseMessagePostUser);
byte[] toSendBytesPostUser = Encoding.ASCII.GetBytes(responseMessagePostUser);
byte[] toSendLenBytesPostUser = BitConverter.GetBytes(toSendPostUser);
client.Send(toSendLenBytesPostUser);
client.Send(toSendBytesPostUser);
break;
case RequestType.UpdatePost:
UpdatePostRequest updatePostRequest = JsonSerializer.Deserialize <UpdatePostRequest>(message);
DbPersistence.UpdatePost(updatePostRequest.Post);
int toSendUpdatePost = Encoding.ASCII.GetByteCount(message);
byte[] toSendBytesUpdatePost = Encoding.ASCII.GetBytes(message);
byte[] toSendLenBytesUpdatePost = BitConverter.GetBytes(toSendUpdatePost);
client.Send(toSendLenBytesUpdatePost);
client.Send(toSendBytesUpdatePost);
break;
case RequestType.UpdateUser:
UpdateUserRequest updateUserRequest = JsonSerializer.Deserialize <UpdateUserRequest>(message);
DbPersistence.UpdateUser(updateUserRequest.User);
int toSendUpdateUser = Encoding.ASCII.GetByteCount(message);
byte[] toSendBytesUpdateUser = Encoding.ASCII.GetBytes(message);
byte[] toSendLenBytesUpdateUser = BitConverter.GetBytes(toSendUpdateUser);
client.Send(toSendLenBytesUpdateUser);
client.Send(toSendBytesUpdateUser);
break;
case RequestType.AddComment:
AddCommentRequest addCommentRequest = JsonSerializer.Deserialize <AddCommentRequest>(message);
Comment newComment = DbPersistence.AddComment(addCommentRequest.Comment);
string responseMessageAddComment = JsonSerializer.Serialize(new AddCommentRequest(newComment));
int toSendAddComment = Encoding.ASCII.GetByteCount(responseMessageAddComment);
byte[] toSendBytesAddComment = Encoding.ASCII.GetBytes(responseMessageAddComment);
byte[] toSendLenBytesAddComment = BitConverter.GetBytes(toSendAddComment);
client.Send(toSendLenBytesAddComment);
client.Send(toSendBytesAddComment);
break;
case RequestType.SendMessage:
SendMessageRequest sendMessageRequest = JsonSerializer.Deserialize <SendMessageRequest>(message);
Message newMessage = DbPersistence.SendMessage(sendMessageRequest.Message);
string responseMessageSendMessage =
JsonSerializer.Serialize(new SendMessageRequest(newMessage));
int toSendMessage = Encoding.ASCII.GetByteCount(responseMessageSendMessage);
byte[] toSendBytesMessage = Encoding.ASCII.GetBytes(responseMessageSendMessage);
byte[] toSendLenBytesMessage = BitConverter.GetBytes(toSendMessage);
client.Send(toSendLenBytesMessage);
client.Send(toSendBytesMessage);
break;
case RequestType.AddConversation:
AddConversationRequest addConversation = JsonSerializer.Deserialize <AddConversationRequest>(message);
List <UserConversation
> newUserConversations = DbPersistence.AddConversation(addConversation.Conversation, addConversation.CreatorId, addConversation.WithWhomId);
string responseMessageAddConversation =
JsonSerializer.Serialize(new AddConversationResponse(newUserConversations));
int toSendAddConversation = Encoding.ASCII.GetByteCount(responseMessageAddConversation);
byte[] toSendBytesAddConversation = Encoding.ASCII.GetBytes(responseMessageAddConversation);
byte[] toSendLenBytesConversation = BitConverter.GetBytes(toSendAddConversation);
client.Send(toSendLenBytesConversation);
client.Send(toSendBytesAddConversation);
break;
case RequestType.DeleteComment:
DeleteCommentRequest deleteCommentRequest = JsonSerializer.Deserialize <DeleteCommentRequest>(message);
int deletedCommentId = DbPersistence.DeleteComment(deleteCommentRequest.CommentId);
string responseMessageDeleteComment =
JsonSerializer.Serialize(new DeleteCommentRequest(deletedCommentId));
int toSendDeleteComment = Encoding.ASCII.GetByteCount(responseMessageDeleteComment);
byte[] toSendBytesDeleteComment = Encoding.ASCII.GetBytes(responseMessageDeleteComment);
byte[] toSendLenBytesDeleteComment = BitConverter.GetBytes(toSendDeleteComment);
client.Send(toSendLenBytesDeleteComment);
client.Send(toSendBytesDeleteComment);
break;
case RequestType.MakeFriendRequest:
MakeFriendRequest makeFriendRequest = JsonSerializer.Deserialize <MakeFriendRequest>(message);
FriendRequestNotification friendRequestNotification = DbPersistence.MakeFriendRequestNotification(makeFriendRequest.FriendRequestNotification);
Console.WriteLine(friendRequestNotification.FriendRequestId);
string responseMakeFriendRequest =
JsonSerializer.Serialize(new MakeFriendRequest(friendRequestNotification));
int toSendMakeFriends = Encoding.ASCII.GetByteCount(responseMakeFriendRequest);
byte[] toSendBytesMakeFriendRequest = Encoding.ASCII.GetBytes(responseMakeFriendRequest);
byte[] toSendLenBytesMakeFriendRequest = BitConverter.GetBytes(toSendMakeFriends);
client.Send(toSendLenBytesMakeFriendRequest);
client.Send(toSendBytesMakeFriendRequest);
break;
case RequestType.RespondToFriendRequest:
RespondToFriendRequest respondToFriendRequest = JsonSerializer.Deserialize <RespondToFriendRequest>(message);
List <UserFriend> userFriends = DbPersistence.RespondToFriendRequest(respondToFriendRequest.RespondStatus, respondToFriendRequest.FriendRequestNotification);
string responseToFriendResponse =
JsonSerializer.Serialize(new RespondToFriendResponse(userFriends));
int toSendRespondFriend = Encoding.ASCII.GetByteCount(responseToFriendResponse);
byte[] toSendBytesRespondFriend = Encoding.ASCII.GetBytes(responseToFriendResponse);
byte[] toSendLenBytesRespondFriend = BitConverter.GetBytes(toSendRespondFriend);
client.Send(toSendLenBytesRespondFriend);
client.Send(toSendBytesRespondFriend);
break;
case RequestType.SubscribeToUser:
SubscribeToUserRequest subscribeToUserRequest = JsonSerializer.Deserialize <SubscribeToUserRequest>(message);
UserSubscription userSubscription = DbPersistence.SubscribeToUser(subscribeToUserRequest.UserSubscription);
string responseToSubscribeToUser =
JsonSerializer.Serialize(new SubscribeToUserRequest(userSubscription));
int toSendSubscribeToUser = Encoding.ASCII.GetByteCount(responseToSubscribeToUser);
byte[] toSendBytesSubscribeToUser = Encoding.ASCII.GetBytes(responseToSubscribeToUser);
byte[] toSendLenBytesSubscribeToUser = BitConverter.GetBytes(toSendSubscribeToUser);
client.Send(toSendLenBytesSubscribeToUser);
client.Send(toSendBytesSubscribeToUser);
break;
case RequestType.UnsubscribeRequest:
UnsubscribeRequest unsubscribeRequest = JsonSerializer.Deserialize <UnsubscribeRequest>(message);
int unSubIndex = DbPersistence.UnsubscribeFromUser(unsubscribeRequest.SubscriptionId);
string responseUnsubscribe =
JsonSerializer.Serialize(new UnsubscribeRequest(unSubIndex));
int toSendUnSub = Encoding.ASCII.GetByteCount(responseUnsubscribe);
byte[] toSendBytesUnsubscribe = Encoding.ASCII.GetBytes(responseUnsubscribe);
byte[] toSendLenBytesUnsubscribe = BitConverter.GetBytes(toSendUnSub);
client.Send(toSendLenBytesUnsubscribe);
client.Send(toSendBytesUnsubscribe);
break;
case RequestType.DeleteFriendRequest:
DeleteFriendRequest deleteFriendRequest =
JsonSerializer.Deserialize <DeleteFriendRequest>(message);
int deleteFriendIndex = DbPersistence.DeleteFriend(deleteFriendRequest.UserFriendId);
string responseDeleteFriend =
JsonSerializer.Serialize(new DeleteFriendRequest(deleteFriendIndex));
int toSendDeleteFriend = Encoding.ASCII.GetByteCount(responseDeleteFriend);
byte[] toSendBytesDeleteFriendRequest = Encoding.ASCII.GetBytes(responseDeleteFriend);
byte[] toSendBytesLenDeleteFriendRequest = BitConverter.GetBytes(toSendDeleteFriend);
client.Send(toSendBytesLenDeleteFriendRequest);
client.Send(toSendBytesDeleteFriendRequest);
break;
case RequestType.MakeReactionRequest:
MakeReactionRequest makeReactionRequest =
JsonSerializer.Deserialize <MakeReactionRequest>(message);
PostReaction postReactionResult =
DbPersistence.MakePostReaction(makeReactionRequest.PostReaction);
string responseMakePostReaction =
JsonSerializer.Serialize(new MakeReactionRequest(postReactionResult));
int toSendMakePostReaction = Encoding.ASCII.GetByteCount(responseMakePostReaction);
byte[] toSendBytesMakePostReaction = Encoding.ASCII.GetBytes(responseMakePostReaction);
byte[] toSendBytesLenMakePostReaction = BitConverter.GetBytes(toSendMakePostReaction);
client.Send(toSendBytesLenMakePostReaction);
client.Send(toSendBytesMakePostReaction);
break;
case RequestType.DeleteReactionRequest:
DeleteReactionRequest deleteReactionRequest =
JsonSerializer.Deserialize <DeleteReactionRequest>(message);
int deleteReactionResult =
DbPersistence.DeleteReaction(deleteReactionRequest.PostReactionId);
string responseDeletePostReaction =
JsonSerializer.Serialize(new DeleteReactionRequest(deleteReactionResult));
int toSendDeletePostReaction = Encoding.ASCII.GetByteCount(responseDeletePostReaction);
byte[] toSendBytesMakeDeleteReaction = Encoding.ASCII.GetBytes(responseDeletePostReaction);
byte[] toSendBytesLenMakeDeleteReaction = BitConverter.GetBytes(toSendDeletePostReaction);
client.Send(toSendBytesLenMakeDeleteReaction);
client.Send(toSendBytesMakeDeleteReaction);
break;
case RequestType.UpdateReactionRequest:
UpdateReactionRequest updateReactionRequest =
JsonSerializer.Deserialize <UpdateReactionRequest>(message);
PostReaction postReactionResultFromUpdating =
DbPersistence.UpdatePostReaction(updateReactionRequest.PostReaction);
string updateReactionResponse =
JsonSerializer.Serialize(new UpdateReactionRequest(postReactionResultFromUpdating));
int toSendUpdateBytes = Encoding.ASCII.GetByteCount(updateReactionResponse);
byte[] toSendBytesMakeUpdateReaction = Encoding.ASCII.GetBytes(updateReactionResponse);
byte[] toSendLenBytesMakeUpdateReaction = BitConverter.GetBytes(toSendUpdateBytes);
client.Send(toSendLenBytesMakeUpdateReaction);
client.Send(toSendBytesMakeUpdateReaction);
break;
}
}
// close connection
client.Close();
}