DirectoryScanSender is a .NET application that scans a directory recursively and sends eligible files to a TCP server using a simple delimiter-based protocol.

It is the sender counterpart to DirectoryScanReceiver, and both projects can work together out of the box with the current default settings.

Companion Project

Receiver counterpart: DirectoryScanReceiver
Shared default TCP port: 7156

Shared Protocol

Both projects use the same message format:

<path>|<length>|<content>\r\n\r\n

path: file path string sent by the sender
length: declared payload length
content: payload content

Multiple messages can be sent over the same TCP connection, each terminated by \r\n\r\n.

Features

Recursively scans directories
Sends files over a single TCP connection
Skips files larger than 100000 bytes
Continues running even if individual files fail to read or send
Uses parallel directory traversal

Default Behavior

Target directory: the current user's Documents folder
Connection target: host localhost, port 7156
File size limit: files smaller than 100000 bytes

Requirements

.NET SDK with support for net10.0
Network access to the configured TCP server

Build and Run

From the repository root:

dotnet build
dotnet run --project DirectoryScanSender

Compatibility Notes

The sender is intended to be used with DirectoryScanReceiver or another receiver that follows the same message format.
The current defaults (localhost:7156) match the local DirectoryScanReceiver project.
The transfer uses plain TCP and does not include authentication or encryption.
Console output is used for basic status and error messages.
Configuration values (host, port, scan path) are defined in DirectoryScanSender/Program.cs.

License and Disclaimer

This project may be used, copied, modified, and shared freely.

It is provided as is, without warranty of any kind. The author is not liable for any damages or losses resulting from its use.