public static void ServeOTAFiles(int port, ESP8266BinaryImage.ESP8266ImageHeader hdr, params string[] elfFiles)
{
TcpListener listener = new TcpListener(port);
byte[] buffer = new byte[1024];
OTAImage[] images = new OTAImage[2];
foreach (var fn in elfFiles)
{
if (fn != null)
{
using (var elfFile = new ELFFile(fn))
{
string status;
int appMode = ESP8266BinaryImage.DetectAppMode(elfFile, out status);
if (appMode == 0)
{
Console.WriteLine(fn + " is not an OTA ELF file. Skipping...");
continue;
}
var img = ESP8266BinaryImage.MakeBootloaderBasedImageFromELFFile(elfFile, hdr, appMode);
using (var ms = new MemoryStream())
{
img.Save(ms);
images[appMode - 1].Data = ms.ToArray();
images[appMode - 1].File = fn;
}
}
}
}
Console.WriteLine($"Ready to serve the following files:");
Console.WriteLine($"APP1: {images[0].File ?? "(none)"}");
Console.WriteLine($"APP2: {images[1].File ?? "(none)"}");
Console.WriteLine($"Waiting for connection on port {port}...");
listener.Start();
for (;;)
{
using (var sock = listener.AcceptSocket())
{
Console.WriteLine($"Incoming connection from {(sock.RemoteEndPoint as IPEndPoint).Address}");
StringBuilder requestBuilder = new StringBuilder();
while (!requestBuilder.ToString().Contains("\r\n\r"))
{
int done = sock.Receive(buffer);
requestBuilder.Append(Encoding.UTF8.GetString(buffer, 0, done));
}
string request = requestBuilder.ToString();
string[] parts = request.Split(' ');
if (parts.Length < 3)
{
throw new Exception("Invalid HTTP request: " + request);
}
string url = parts[1];
Console.WriteLine("Received request for " + url);
int otaIndex = (url.ToLower().Contains("user2") ? 1 : 0);
if (images[otaIndex].Data == null)
{
throw new Exception($"No OTA image for app{otaIndex + 1} is provided. Please check your linker scripts.");
}
string reply = string.Format("HTTP/1.0 200 OK\r\nContent-Type: application/octet-stream\r\nContent-Length: {0}\r\n\r\n", images[otaIndex].Data.Length);
var r = Encoding.UTF8.GetBytes(reply);
sock.Send(r);
if (parts[0] == "GET")
{
Console.Write($"Serving {Path.GetFileName(images[otaIndex].File)}...\r\n");
using (var ms = new MemoryStream(images[otaIndex].Data))
{
int totalDone = 0;
for (;;)
{
int done = ms.Read(buffer, 0, buffer.Length);
if (done == 0)
{
break;
}
sock.Send(buffer, done, SocketFlags.None);
totalDone += done;
int percent = (int)((totalDone * 100) / ms.Length);
int progress = percent / 5;
Console.Write($"\r[{new string('#', progress).PadRight(20)}] {percent}%");
}
}
Console.WriteLine("\r\nFile sent successfully\n");
break;
}
}
}
listener.Stop();
}
public static void ServeOTAFiles(int port, ESP8266BinaryImage.ParsedHeader hdr, params string[] elfFiles)
{
TcpListener listener = new TcpListener(port);
byte[] buffer = new byte[1024];
OTAImage[] images = new OTAImage[2];
foreach (var fn in elfFiles)
if (fn != null)
using (var elfFile = new ELFFile(fn))
{
string status;
int appMode = ESP8266BinaryImage.DetectAppMode(elfFile, out status);
if (appMode == 0)
{
Console.WriteLine(fn + " is not an OTA ELF file. Skipping...");
continue;
}
var img = ESP8266BinaryImage.MakeBootloaderBasedImageFromELFFile(elfFile, hdr, appMode);
using (var ms = new MemoryStream())
{
img.Save(ms);
images[appMode - 1].Data = ms.ToArray();
images[appMode - 1].File = fn;
}
}
Console.WriteLine($"Ready to serve the following files:");
Console.WriteLine($"APP1: {images[0].File ?? "(none)"}");
Console.WriteLine($"APP2: {images[1].File ?? "(none)"}");
Console.WriteLine($"Waiting for connection on port {port}...");
listener.Start();
for (;;)
{
using (var sock = listener.AcceptSocket())
{
Console.WriteLine($"Incoming connection from {(sock.RemoteEndPoint as IPEndPoint).Address}");
StringBuilder requestBuilder = new StringBuilder();
while (!requestBuilder.ToString().Contains("\r\n\r"))
{
int done = sock.Receive(buffer);
requestBuilder.Append(Encoding.UTF8.GetString(buffer, 0, done));
}
string request = requestBuilder.ToString();
string[] parts = request.Split(' ');
if (parts.Length < 3)
throw new Exception("Invalid HTTP request: " + request);
string url = parts[1];
Console.WriteLine("Received request for " + url);
int otaIndex = (url.ToLower().Contains("user2") ? 1 : 0);
if (images[otaIndex].Data == null)
throw new Exception($"No OTA image for app{otaIndex + 1} is provided. Please check your linker scripts.");
string reply = string.Format("HTTP/1.0 200 OK\r\nContent-Type: application/octet-stream\r\nContent-Length: {0}\r\n\r\n", images[otaIndex].Data.Length);
var r = Encoding.UTF8.GetBytes(reply);
sock.Send(r);
if (parts[0] == "GET")
{
Console.Write($"Serving {Path.GetFileName(images[otaIndex].File)}...\r\n");
using (var ms = new MemoryStream(images[otaIndex].Data))
{
int totalDone = 0;
for (;;)
{
int done = ms.Read(buffer, 0, buffer.Length);
if (done == 0)
break;
sock.Send(buffer, done, SocketFlags.None);
totalDone += done;
int percent = (int)((totalDone * 100) / ms.Length);
int progress = percent / 5;
Console.Write($"\r[{new string('#', progress).PadRight(20)}] {percent}%");
}
}
Console.WriteLine("\r\nFile sent successfully\n");
break;
}
}
}
listener.Stop();
}
