72 lines
1.7 KiB
V
72 lines
1.7 KiB
V
// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module http
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import io
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import net
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import time
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pub struct Server {
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pub mut:
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port int = 8080
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handler fn (Request) Response
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read_timeout time.Duration = 30 * time.second
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write_timeout time.Duration = 30 * time.second
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}
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pub fn (mut s Server) listen_and_serve() ? {
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if voidptr(s.handler) == 0 {
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eprintln('Server handler not set, using debug handler')
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s.handler = fn (req Request) Response {
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$if debug {
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eprintln('[$time.now()] $req.method $req.url\n\r$req.header\n\r$req.data - 200 OK')
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} $else {
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eprintln('[$time.now()] $req.method $req.url - 200')
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}
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mut r := Response{
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text: req.data
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header: req.header
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}
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r.set_status(.ok)
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r.set_version(req.version)
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return r
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}
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}
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mut l := net.listen_tcp(.ip6, ':$s.port') ?
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eprintln('Listening on :$s.port')
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for {
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mut conn := l.accept() or {
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eprintln('accept() failed: $err; skipping')
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continue
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}
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conn.set_read_timeout(s.read_timeout)
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conn.set_write_timeout(s.write_timeout)
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// TODO: make concurrent
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s.parse_and_respond(mut conn)
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}
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}
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fn (mut s Server) parse_and_respond(mut conn net.TcpConn) {
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defer {
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conn.close() or { eprintln('close() failed: $err') }
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}
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mut reader := io.new_buffered_reader(reader: conn)
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defer {
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reader.free()
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}
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req := parse_request(mut reader) or {
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$if debug {
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// only show in debug mode to prevent abuse
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eprintln('error parsing request: $err')
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}
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return
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}
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mut resp := s.handler(req)
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if resp.version() == .unknown {
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resp.set_version(req.version)
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}
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conn.write(resp.bytes()) or { eprintln('error sending response: $err') }
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}
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