72 lines
1.3 KiB
V
72 lines
1.3 KiB
V
import net
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import time
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const (
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test_port = 45123
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)
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fn handle_conn(_c net.TcpConn) {
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mut c := _c
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// arbitrary timeouts to ensure that it doesnt
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// instantly throw its hands in the air and give up
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c.set_read_timeout(10 * time.second)
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c.set_write_timeout(10 * time.second)
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for {
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mut buf := []byte{len: 100, init: 0}
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read := c.read(mut buf) or {
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println('Server: connection dropped')
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return
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}
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c.write(buf[..read]) or {
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println('Server: connection dropped')
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return
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}
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}
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}
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fn echo_server(l net.TcpListener) ? {
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for {
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new_conn := l.accept() or {
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continue
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}
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go handle_conn(new_conn)
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}
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return none
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}
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fn echo() ? {
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mut c := net.dial_tcp('127.0.0.1:$test_port')?
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defer {
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c.close() or { }
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}
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// arbitrary timeouts to ensure that it doesnt
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// instantly throw its hands in the air and give up
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c.set_read_timeout(10 * time.second)
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c.set_write_timeout(10 * time.second)
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data := 'Hello from vlib/net!'
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c.write_str(data)?
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mut buf := []byte{len: 4096}
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read := c.read(mut buf)?
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assert read == data.len
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for i := 0; i < read; i++ {
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assert buf[i] == data[i]
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}
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println('Got "$buf.bytestr()"')
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return none
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}
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fn test_tcp() {
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l := net.listen_tcp(test_port) or {
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panic(err)
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}
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go echo_server(l)
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echo() or {
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panic(err)
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}
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l.close() or { }
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}
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fn main() {
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test_tcp()
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}
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