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author | Indrajith K L | 2022-12-03 17:00:20 +0530 |
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committer | Indrajith K L | 2022-12-03 17:00:20 +0530 |
commit | f5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch) | |
tree | 2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/old/vlib/net/tcp_simple_client_server_test.v | |
download | cli-tools-windows-master.tar.gz cli-tools-windows-master.tar.bz2 cli-tools-windows-master.zip |
Diffstat (limited to 'v_windows/v/old/vlib/net/tcp_simple_client_server_test.v')
-rw-r--r-- | v_windows/v/old/vlib/net/tcp_simple_client_server_test.v | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/net/tcp_simple_client_server_test.v b/v_windows/v/old/vlib/net/tcp_simple_client_server_test.v new file mode 100644 index 0000000..317933f --- /dev/null +++ b/v_windows/v/old/vlib/net/tcp_simple_client_server_test.v @@ -0,0 +1,150 @@ +import io +import net +import strings + +const ( + server_port = ':22443' +) + +fn accept(mut server net.TcpListener, c chan &net.TcpConn) { + c <- server.accept() or { panic(err) } +} + +fn setup() (&net.TcpListener, &net.TcpConn, &net.TcpConn) { + mut server := net.listen_tcp(.ip6, server_port) or { panic(err) } + + c := chan &net.TcpConn{} + go accept(mut server, c) + mut client := net.dial_tcp('localhost$server_port') or { panic(err) } + + socket := <-c + + $if debug_peer_ip ? { + eprintln('$server.addr()\n$client.peer_addr(), $client.addr()\n$socket.peer_addr(), $socket.addr()') + } + assert true + return server, client, socket +} + +fn cleanup(mut server net.TcpListener, mut client net.TcpConn, mut socket net.TcpConn) { + server.close() or {} + client.close() or {} + socket.close() or {} +} + +fn test_socket() { + mut server, mut client, mut socket := setup() + defer { + cleanup(mut server, mut client, mut socket) + } + message := 'Hello World' + socket.write_string(message) or { + assert false + return + } + assert true + $if debug { + println('message send: $message') + } + $if debug { + println('send socket: $socket.sock.handle') + } + mut buf := []byte{len: 1024} + nbytes := client.read(mut buf) or { + assert false + return + } + received := buf[0..nbytes].bytestr() + $if debug { + println('message received: $received') + } + $if debug { + println('client: $client.sock.handle') + } + assert message == received +} + +fn test_socket_write_and_read() { + mut server, mut client, mut socket := setup() + defer { + cleanup(mut server, mut client, mut socket) + } + message1 := 'a message 1' + socket.write_string(message1) or { assert false } + mut rbuf := []byte{len: message1.len} + client.read(mut rbuf) or { + assert false + return + } + line := rbuf.bytestr() + assert line == message1 +} + +fn test_socket_read_line() { + mut server, mut client, mut socket := setup() + mut reader := io.new_buffered_reader(reader: client) + defer { + cleanup(mut server, mut client, mut socket) + } + message1, message2 := 'message1', 'message2' + message := '$message1\n$message2\n' + socket.write_string(message) or { assert false } + assert true + // + line1 := reader.read_line() or { + // println(reader.buf) + assert false + return + } + line2 := reader.read_line() or { + // println(reader.buf) + assert false + return + } + assert line1 == message1 + assert line2 == message2 +} + +fn test_socket_write_fail_without_panic() { + mut server, mut client, mut socket := setup() + defer { + cleanup(mut server, mut client, mut socket) + } + message2 := 'a message 2' + // ensure that socket.write (i.e. done on the server side) + // continues to work, even when the client side has been disconnected + // this test is important for a stable long standing server + client.close() or {} + $if solaris { + return + } + // TODO: fix segfaulting on Solaris + for i := 0; i < 3; i++ { + socket.write_string(message2) or { + println('write to a socket without a recipient should produce an option fail: $err | $message2') + assert true + } + } +} + +fn test_socket_read_line_long_line_without_eol() { + mut server, mut client, mut socket := setup() + mut reader := io.new_buffered_reader(reader: client) + defer { + cleanup(mut server, mut client, mut socket) + } + message := strings.repeat_string('123', 400) + socket.write_string(message) or { + assert false + return + } + socket.write_string('\n') or { + assert false + return + } + line := reader.read_line() or { + assert false + return + } + assert line == message +} |