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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/examples/net_udp_server_and_client.v | |
download | cli-tools-windows-f5c4671bfbad96bf346bd7e9a21fc4317b4959df.tar.gz cli-tools-windows-f5c4671bfbad96bf346bd7e9a21fc4317b4959df.tar.bz2 cli-tools-windows-f5c4671bfbad96bf346bd7e9a21fc4317b4959df.zip |
Diffstat (limited to 'v_windows/v/old/examples/net_udp_server_and_client.v')
-rw-r--r-- | v_windows/v/old/examples/net_udp_server_and_client.v | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/v_windows/v/old/examples/net_udp_server_and_client.v b/v_windows/v/old/examples/net_udp_server_and_client.v new file mode 100644 index 0000000..a69d178 --- /dev/null +++ b/v_windows/v/old/examples/net_udp_server_and_client.v @@ -0,0 +1,44 @@ +import os +import os.cmdline +import net + +fn main() { + println('Usage: net_udp_server_and_client [-l] [-p 5000]') + println(' -l - act as a server and listen') + println(' -p XXXX - custom port number') + println('------------------------------------------') + is_server := '-l' in os.args + port := cmdline.option(os.args, '-p', '40001').int() + mut buf := []byte{len: 100} + if is_server { + println('UDP echo server, listening for udp packets on port: $port') + mut c := net.listen_udp(':$port') ? + for { + read, addr := c.read(mut buf) or { continue } + println('received $read bytes from $addr') + c.write_to(addr, buf[..read]) or { + println('Server: connection dropped') + continue + } + } + } else { + println('UDP client, sending packets to port: ${port}.\nType `exit` to exit.') + mut c := net.dial_udp('localhost:$port') ? + for { + mut line := os.input('client > ') + match line { + '' { + line = '\n' + } + 'exit' { + println('goodbye.') + exit(0) + } + else {} + } + c.write_string(line) ? + read, _ := c.read(mut buf) ? + println('server : ' + buf[0..read].bytestr()) + } + } +} |