mirror of https://github.com/vlang/v.git
43 lines
1018 B
V
43 lines
1018 B
V
import io
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import net
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// This file shows how a basic TCP echo server can be implemented using
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// the net module. You can connect to the server by using netcat or telnet,
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// in separate shells, for example:
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// nc 127.0.0.1 12345
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// or
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// telnet 127.0.0.1 12345
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fn main() {
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mut server := net.listen_tcp(.ip6, ':12345')!
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laddr := server.addr()!
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eprintln('Listen on ${laddr} ...')
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for {
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mut socket := server.accept()!
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spawn handle_client(mut socket)
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}
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}
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fn handle_client(mut socket net.TcpConn) {
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defer {
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socket.close() or { panic(err) }
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}
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client_addr := socket.peer_addr() or { return }
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eprintln('> new client: ${client_addr}')
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mut reader := io.new_buffered_reader(reader: socket)
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defer {
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unsafe {
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reader.free()
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}
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}
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socket.write_string('server: hello\n') or { return }
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for {
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received_line := reader.read_line() or { return }
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if received_line == '' {
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return
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}
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println('client ${client_addr}: ${received_line}')
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socket.write_string('server: ${received_line}\n') or { return }
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}
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}
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