How to send/receive large data in ruby tcpsocket

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Ruby

sockets

Hello, I may have asked the same question but in c++ not too long ago, sorry if I'm a bit noisy.

so I got two function to send and receive large data from tcpsockets in ruby but I need help debugging.

the problem is I tested these methods on an image file and it tends to be dark or pixitlated on the bottom when written on the other side. how can I fix this issue?

What I have tried:

Send Function:

def split_to_chunks(string, bytesize)
	arr = []
	until string.empty?
		arr << string.slice!(0..bytesize)
	end
	return arr
end

def sockSend(sock, message)
	
	chunk_size = 1024

	messageChunks = split_to_chunks(message, chunk_size)

	messageChunks.each { |chunk|

		sleep(0.3)
		sock.puts chunk

	}

	sock.puts "<END_OF_SOCKET_DATA>"

end

note:
there a functions called "split_to_chunks" that just splits a string to chunks, I included it above.

Receive Function:

def sockRead(sock)

	full_result = ""
	chunk = ""
	chunk_size = 1024

	while true do
		chunk = sock.recv(chunk_size)
		if chunk.chomp == "<END_OF_SOCKET_DATA>" then
			break
		end
		sleep(0.2)
		full_result = full_result + chunk
	end
	return full_result.chomp

end

thanks in advance.