103 lines
2.3 KiB
V
103 lines
2.3 KiB
V
// vtest flaky: true
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// vtest retry: 8
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import net
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import os
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const (
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test_port = 45123
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)
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fn handle_conn(mut c net.TcpConn) {
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for {
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mut buf := []u8{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 one_shot_echo_server(mut l net.TcpListener, ch_started chan int) ? {
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eprintln('> one_shot_echo_server')
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ch_started <- 1
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mut new_conn := l.accept() or { return error('could not accept') }
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eprintln(' > new_conn: $new_conn')
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handle_conn(mut new_conn)
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new_conn.close() or {}
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}
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fn echo(address string) ? {
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mut c := net.dial_tcp(address)?
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defer {
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c.close() or {}
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}
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println('local: ' + c.addr()?.str())
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println(' peer: ' + c.peer_addr()?.str())
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data := 'Hello from vlib/net!'
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c.write_string(data)?
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mut buf := []u8{len: 4096}
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read := c.read(mut buf)?
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assert read == data.len
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for i := 0; i < read; i++ {
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assert buf[i] == data[i]
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}
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println('Got "$buf.bytestr()"')
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}
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fn test_tcp_ip6() {
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eprintln('\n>>> ${@FN}')
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address := 'localhost:$test_port'
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mut l := net.listen_tcp(.ip6, ':$test_port') or { panic(err) }
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dump(l)
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start_echo_server(mut l)
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echo(address) or { panic(err) }
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l.close() or {}
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// ensure there is at least one new socket created before the next test
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l = net.listen_tcp(.ip6, ':${test_port + 1}') or { panic(err) }
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}
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fn start_echo_server(mut l net.TcpListener) {
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ch_server_started := chan int{}
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go one_shot_echo_server(mut l, ch_server_started)
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_ := <-ch_server_started
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}
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fn test_tcp_ip() {
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eprintln('\n>>> ${@FN}')
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address := 'localhost:$test_port'
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mut l := net.listen_tcp(.ip, address) or { panic(err) }
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dump(l)
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start_echo_server(mut l)
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echo(address) or { panic(err) }
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l.close() or {}
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}
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fn test_tcp_unix() {
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eprintln('\n>>> ${@FN}')
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// TODO(emily):
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// whilst windows supposedly supports unix sockets
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// this doesnt work (wsaeopnotsupp at the call to bind())
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$if !windows {
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address := os.real_path('tcp-test.sock')
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// address := 'tcp-test.sock'
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println('$address')
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mut l := net.listen_tcp(.unix, address) or { panic(err) }
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start_echo_server(mut l)
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echo(address) or { panic(err) }
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l.close() or {}
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os.rm(address) or { panic('failed to remove socket file') }
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}
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}
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fn testsuite_end() {
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eprintln('\ndone')
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}
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