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Added some more server socket fun and examples. (0.27.0)

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This commit is contained in:
Johannes Findeisen 2025-10-13 02:18:32 +02:00
commit 92d669a409
8 changed files with 125 additions and 4 deletions
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43
lib/io/socket.fun
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@ -25,7 +25,6 @@
* print(resp)
* c.close()
*/
class TcpClient()
// file descriptor or 0 if not connected
fd = 0
@ -72,6 +71,48 @@ class TcpClient()
this.fd = 0
return 1
// TcpServer: simple wrapper around TCP socket built-ins.
// Exposes listen(), accept(), echo_once(maxlen), serve_forever(maxlen), close().
class TcpServer(number port, number backlog)
fun _construct(this, port, backlog)
this.port = port
this.backlog = backlog
this.listen_fd = 0
fun listen(this)
this.listen_fd = tcp_listen(this.port, this.backlog)
return this.listen_fd
fun accept(this)
return tcp_accept(this.listen_fd)
fun close(this)
if (this.listen_fd > 0)
sock_close(this.listen_fd)
this.listen_fd = 0
fun echo_once(this, maxlen)
c = this.accept()
if (c <= 0)
return 0
data = sock_recv(c, maxlen)
if (len(data) > 0)
sock_send(c, data)
sock_close(c)
return 1
fun serve_forever(this, maxlen)
if (this.listen_fd <= 0)
if (this.listen() <= 0)
print("TcpServer: listen failed on port " + to_string(this.port))
return 0
print("TcpServer: listening on port " + to_string(this.port))
while (true)
this.echo_once(maxlen)
class UnixClient()
fd = 0