public void HandleConnectMsg(TextCommand cmd, ProtocolContext ctx)
{
var clientInfo = Util.GetClientInfo(cmd.device_id);
if (clientInfo == null)
{
if (Util.RejectUnpairedDevices)
{
ctx.SetState(new UnconnectedState());
log4net.LogManager.GetLogger("pairing").Debug("send denied because reject-all is enabled, state = unconnected");
ctx.Send(new { action = "denied", reason = "Not allowed" });
ctx.Stop(WebSocketSharp.Frame.CloseStatusCode.POLICY_VIOLATION, "Not allowed");
}
else
{
log4net.LogManager.GetLogger("pairing").Debug("send wait-for-pair, state = " + ctx.GetState().ToString());
ctx.Send(new { action = "wait-for-pair" });
ctx.SetState(new WaitForApproveState());
ctx.raiseOnPairingRequired();
}
}
else
{
ctx.device_folder_name = clientInfo.folder_name;
ReplyAcceptMsgToDevice(ctx, clientInfo);
}
}
public override void handleFileStartCmd(ProtocolContext ctx, TextCommand cmd)
{
if (string.IsNullOrEmpty(cmd.type))
{
throw new ProtocolErrorException("missing fied: type");
}
if (string.IsNullOrEmpty(cmd.file_name))
{
throw new ProtocolErrorException("missing fied: file_name");
}
if (string.IsNullOrEmpty(cmd.folder))
{
throw new ProtocolErrorException("missing fied: folder");
}
FileAssetType type;
if (!Enum.TryParse <FileAssetType>(cmd.type, true, out type))
{
throw new ProtocolErrorException("unknown type: " + cmd.type);
}
ctx.backup_count = cmd.backuped_count;
ctx.total_count = cmd.total_count;
var fileCtx = new FileContext
{
file_name = cmd.file_name,
file_size = cmd.file_size,
folder = cmd.folder,
datetime = cmd.datetime,
type = type
};
var hasDup = util.HasDuplicateFile(fileCtx, ctx.device_id);
if (hasDup)
{
ctx.fileCtx = null;
ctx.raiseOnFileReceiving();
ctx.Send(new TextCommand {
action = "file-exist", file_name = cmd.file_name
});
log4net.LogManager.GetLogger("wsproto").Debug("file duplicate! send back file-exist");
}
else
{
ctx.fileCtx = fileCtx;
ctx.raiseOnFileReceiving();
ctx.temp_file = ctx.factory.CreateTempFile();
ctx.Send(new TextCommand {
action = "file-go", file_name = cmd.file_name
});
ctx.SetState(new TransmitStartedState());
}
}
public void ReplyAcceptMsgToDevice(ProtocolContext ctx, Device clientInfo)
{
var summary = Util.GetDeviceSummary(clientInfo.device_id);
var response = new
{
action = "accept",
server_id = Util.GetServerId(),
server_name = Settings.Default.LibraryName,
backup_folder = Util.GetPhotoFolder(),
backup_folder_free_space = Util.GetFreeSpace(Util.GetPhotoFolder()),
backup_startdate = (summary != null) ? (DateTime?)summary.backup_range.start : null,
backup_enddate = (summary != null) ? (DateTime?)summary.backup_range.end : null,
photo_count = (summary != null) ? (long?)summary.photo_count : null,
video_count = (summary != null) ? (long?)summary.video_count : null,
audio_count = (summary != null) ? (long?)summary.audio_count : null
};
ctx.SetState(new TransmitInitState());
ctx.raiseOnConnectAccepted();
log4net.LogManager.GetLogger("pairing").Debug("send accept, state is " + ctx.GetState().ToString());
ctx.Send(response);
ctx.storage.setDeviceName(ctx.device_folder_name);
}
public override void handleFileEndCmd(ProtocolContext ctx, TextCommand cmd)
{
ctx.temp_file.EndWrite();
ctx.raiseOnFileEnding();
if (!Util.HasDuplicateFile(ctx.fileCtx, ctx.device_id))
{
SavedPath saved = null;
try
{
saved = ctx.storage.MoveToStorage(ctx.temp_file.Path, ctx.fileCtx);
}
catch (Exception e)
{
throw new IOException("Unable to move temp file to storage. temp_file:" + ctx.temp_file.Path + ", file_name: " + ctx.fileCtx.file_name, e);
}
var fileAsset = new FileAsset
{
device_id = ctx.device_id,
event_time = ctx.fileCtx.datetime,
file_id = Guid.NewGuid(),
file_name = ctx.fileCtx.file_name,
file_path = Path.Combine(ctx.fileCtx.folder, ctx.fileCtx.file_name),
file_size = ctx.fileCtx.file_size,
type = (int)ctx.fileCtx.type,
saved_path = saved.relative_file_path,
parent_folder = Path.GetDirectoryName(saved.relative_file_path),
seq = Util.GetNextSeq()
};
Util.SaveFileRecord(fileAsset);
if (ctx.fileCtx.file_size != ctx.temp_file.BytesWritten)
{
log4net.LogManager.GetLogger(typeof(TransmitStartedState)).WarnFormat("{0} is expected to have {1} bytes but {2} bytes received.", ctx.fileCtx.file_name, ctx.fileCtx.file_size, ctx.temp_file.BytesWritten);
}
ctx.fileCtx.file_id = fileAsset.file_id;
ctx.raiseOnFileReceived();
}
else
{
ctx.temp_file.Delete();
}
log4net.LogManager.GetLogger("wsproto").Debug("send back file-exist for file recv success");
ctx.Send(new TextCommand {
action = "file-exist", file_name = ctx.fileCtx.file_name
});
ctx.recved_files++;
ctx.SetState(new TransmitInitState());
}
public override void handleDisapprove(ProtocolContext ctx)
{
var response = new
{
action = "denied",
reason = "user rejected"
};
log4net.LogManager.GetLogger("pairing").Debug("send denied");
ctx.Send(response);
ctx.Stop(WebSocketSharp.Frame.CloseStatusCode.POLICY_VIOLATION, "User rejected");
ctx.SetState(new UnconnectedState());
}