public async Task <IActionResult> RawRequest(
string id,
[FromBody] RequestFrame requestFrame,
[FromQuery] string?taskId,
[FromQuery] int asyncTimeout = PrintJob.DefaultTimeout)
{
if (!context.IsReady)
{
return(StatusCode(StatusCodes.Status405MethodNotAllowed));
}
if (context.Printers.TryGetValue(id, out IFiscalPrinter? printer))
{
var result = await context.RunAsync(
new PrintJob
{
Printer = printer,
Action = PrintJobAction.RawRequest,
Document = requestFrame,
AsyncTimeout = asyncTimeout,
TaskId = taskId
});
return(Ok(result));
}
return(NotFound());
}
/// <summary>
/// 获取截屏。
/// </summary>
/// <exception cref="Exception"></exception>
/// <returns></returns>
public async Task <byte[]> StartAsync()
{
if (!Started)
{
Started = true;
//发送请求
RequestFrame frame = new RequestFrame();
base.GuidFilter = frame.Guid;
await Send(frame).ConfigureAwait(false);
//等待结果
switch (await base.Answers.WaitAsync(Common.Configs.FrameTimeout).ConfigureAwait(false))
{
case AnswerFrame answerFrame: return(answerFrame.BytesJpeg);
case ErrorFrame errorFrame: throw new RemoteErrorException(errorFrame);
default: throw new InvalidDataException();
}
}
else
{
throw new InvalidOperationException();
}
}
/// <summary>
/// 远程启动命令行。
/// </summary>
/// <exception cref="Exception"></exception>
/// <returns></returns>
public async Task StartAsync(string filename, string arguments, bool hide, bool redirectInput, bool redirectOutput, bool redirectError, DateTime startUtc, DateTime stopUtc)
{
if (!Started)
{
Started = true;
RequestFrame frame = new RequestFrame()
{
FileName = filename,
Arguments = arguments,
Hide = hide,
RedirectInput = redirectInput,
RedirectOutput = redirectOutput,
RedirectError = redirectError,
StartUtc = startUtc,
StopUtc = stopUtc,
};
base.GuidFilter = frame.Guid;
HandleAnswers();
await Send(frame).ConfigureAwait(false);
}
else
{
throw new InvalidOperationException();
}
}
public override DeviceStatusWithRawResponse RawRequest(RequestFrame requestFrame)
{
if (requestFrame.RawRequest.Length < 2)
{
var deviceStatus = new DeviceStatus();
deviceStatus.AddError("E401", "Request length must be at least 2 characters");
return(new DeviceStatusWithRawResponse(deviceStatus));
}
var(rawResponse, status) = Request(requestFrame.RawRequest);
var deviceStatusWithRawResponse = new DeviceStatusWithRawResponse(status);
deviceStatusWithRawResponse.RawResponse = rawResponse;
return(deviceStatusWithRawResponse);
}
/// <summary>
/// 远端从<paramref name="url"/>下载数据并保存到文件<paramref name="file"/>中。
/// </summary>
/// <exception cref="Exception"></exception>
/// <returns></returns>
public async Task StartAsync(string url, string file)
{
if (!Started)
{
Started = true;
//发送请求
RequestFrame frame = new RequestFrame()
{
Url = url,
File = file,
AnswerInterval = 500,
};
base.GuidFilter = frame.Guid;
await Send(frame).ConfigureAwait(false);
//接收数据
while (TransferedSize != Size)
{
switch (await base.Answers.WaitAsync(Common.Configs.FrameTimeout).ConfigureAwait(false))
{
case AnswerFrame answerFrame:
{
if (Size != -1 && Size != answerFrame.Size)
{
throw new InvalidDataException("传输大小在中途更变");
}
else
{
Size = answerFrame.Size;
}
TransferedSize = answerFrame.Offset;
Recorder.Record(TransferedSize);
}
break;
case ErrorFrame errorFrame: throw new RemoteErrorException(errorFrame);
default: throw new InvalidDataException();
}
}
Finished = true;
}
else
{
throw new InvalidOperationException();
}
}
public override DeviceStatusWithRawResponse RawRequest(RequestFrame requestFrame)
{
if (requestFrame.RawRequest.Length == 0)
{
var deviceStatus = new DeviceStatus();
deviceStatus.AddError("E401", "Request length must be at least 1 character");
return(new DeviceStatusWithRawResponse(deviceStatus));
}
var cmd = PrinterEncoding.GetBytes(requestFrame.RawRequest.Substring(0, 1))[0];
var data = requestFrame.RawRequest.Substring(1);
var(rawResponse, status) = Request(cmd, data);
var deviceStatusWithRawResponse = new DeviceStatusWithRawResponse(status);
deviceStatusWithRawResponse.RawResponse = rawResponse;
return(deviceStatusWithRawResponse);
}
protected async Task <AnswerFrame> GatherInformation(RequestFrame req)
{
AnswerFrame frame = new AnswerFrame(req.Guid);
//Version
frame.Version = Assembly.GetExecutingAssembly().GetName().Version.ToString() + "C" + (Common.Configs.Debug ? " DEBUG" : "");
//GPU
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
var lines = await Utils.ExecuteResultsAsync("wmic", "", new string[] { "path Win32_VideoController get Name", "exit" }, 1000).ConfigureAwait(false);
if (lines != null && lines.Count > 2)
{
for (int i = 2; i < lines.Count - 1; i++)
{
if (!string.IsNullOrWhiteSpace(lines[i]))
{
frame.Gpus.Add(lines[i]);
}
}
}
else
{
frame.Gpus.Add("None");
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
//TODO
frame.Gpus.Add("Unsupported");
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
//TODO
frame.Gpus.Add("Unsupported");
}
else
{
//TODO
frame.Gpus.Add("Unsupported");
}
//CPU
string cpu = "Unsupported.";
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
var lines = await Utils.ExecuteResultsAsync("wmic", "", new string[] { "cpu get Name", "exit" }, 1000).ConfigureAwait(false);
if (lines != null && lines.Count > 2)
{
cpu = lines[2];
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
string cpu0 = await Utils.MatchFileContentAsync("/proc/cpuinfo", new Regex("^model name\\s*:\\s*(.+?)$", RegexOptions.Compiled | RegexOptions.Multiline));
if (!string.IsNullOrEmpty(cpu0))
{
cpu = cpu0;
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
//TODO
}
for (int i = 0; i < Environment.ProcessorCount; i++)
{
frame.Cpus.Add(cpu);
}
//主机名
frame.ComputerName = Environment.MachineName;
//物理内存
frame.Memory = 0;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
var lines = await Utils.ExecuteResultsAsync("wmic", "", new string[] { "memorychip get Capacity", "exit" }, 1000).ConfigureAwait(false);
if (lines != null && lines.Count > 2)
{
for (int i = 2; i < lines.Count - 1; i++)
{
ulong memory;
if (ulong.TryParse(lines[i], out memory))
{
frame.Memory += memory;
}
}
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
string mem = await Utils.MatchFileContentAsync("/proc/meminfo", new Regex("^MemTotal\\s*:\\s*(.+)$", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.IgnoreCase));
if (!string.IsNullOrEmpty(mem))
{
mem = mem.TrimEnd();
if (mem.EndsWith("KB", StringComparison.CurrentCultureIgnoreCase))
{
frame.Memory = ulong.Parse(mem.Substring(0, mem.Length - 2)) * 1024;
}
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
//TODO
}
//操作系统
frame.Os = RuntimeInformation.OSDescription;
//标识符
try
{
using (FileStream fs = new FileStream("id.bin", FileMode.OpenOrCreate))
{
byte[] value = new byte[16];
int count = fs.Read(value, 0, 16);
if (count != 16)
{
value = Guid.NewGuid().ToByteArray();
fs.SetLength(16);
fs.Position = 0;
fs.Write(value);
}
frame.Identifier = new Guid(value);
}
}
catch
{
frame.Identifier = Guid.NewGuid();
}
return(frame);
}
private async void SendStatus(RequestFrame frame, long len, long position)
{
await SendFrame(new AnswerFrame(frame.Guid) { Offset = position, Size = len }).ConfigureAwait(false);
}
protected AnswerFrame GatherInformation(RequestFrame req)
{
AnswerFrame frame = new AnswerFrame(req.Guid);
//Version
frame.Version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString() + (Common.Configs.Debug ? " DEBUG" : "");
//GPU
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT Caption FROM Win32_VideoController"))
{
foreach (ManagementObject obj in searcher.Get())
{
string gpu = obj.GetPropertyValue("Caption") as string;
frame.Gpus.Add(gpu);
}
}
//CPU
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT Name, NumberOfCores FROM Win32_Processor"))
{
foreach (ManagementObject obj in searcher.Get())
{
string cpu = obj.GetPropertyValue("Name") as string;
uint cores = (uint)obj.GetPropertyValue("NumberOfCores");
for (int i = 0; i < cores; i++)
{
frame.Cpus.Add(cpu);
}
}
}
//物理内存
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT Name, TotalPhysicalMemory FROM Win32_ComputerSystem"))
{
foreach (ManagementObject obj in searcher.Get())
{
frame.ComputerName = obj.GetPropertyValue("Name") as string;
frame.Memory = (ulong)obj.GetPropertyValue("TotalPhysicalMemory");
}
}
//操作系统
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT Name FROM Win32_OperatingSystem"))
{
foreach (ManagementObject obj in searcher.Get())
{
frame.Os = obj.GetPropertyValue("Name") as string;
frame.Os = frame.Os.Split('|')[0];
}
}
//标识符
if (Common.Configs.Debug)
{
frame.Identifier = Guid.NewGuid();
}
else
{
using (RegistryKey key = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\" + Assembly.GetExecutingAssembly().GetName().Name))
{
byte[] value = key.GetValue("Identifier") as byte[];
if (value == null || value.Length != 16)
{
value = Guid.NewGuid().ToByteArray();
key.SetValue("Identifier", value);
}
frame.Identifier = new Guid(value);
}
}
return(frame);
}
public abstract DeviceStatusWithRawResponse RawRequest(RequestFrame requestFrame);
