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// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
// Adapted from template by Willow Barraco <contact@willowbarraco.fr>
use getopt;
use log;
use net;
use net::ip;
use net::http;
use net::dial;
use os;
use memio;
use io;
use fmt;
use bufio;
use strings;
const usage: [_]getopt::help = [
"HTTP server",
('a', "address", "listened address (ex: 127.0.0.1:8080)")
];
export fn main() void = {
const cmd = getopt::parse(os::args, usage...);
defer getopt::finish(&cmd);
let port: u16 = 8080;
let ip_addr: ip::addr4 = [127, 0, 0, 1];
for (let i = 0z; i < len(cmd.opts); i += 1) {
const opt = cmd.opts[i];
switch (opt.0) {
case 'a' =>
match (dial::splitaddr(opt.1, "")) {
case let value: (str, u16) =>
ip_addr = ip::parsev4(value.0)!;
port = value.1;
case dial::invalid_address =>
abort("invalid address");
};
case => abort(); // unreachable
};
};
const server = match (http::listen(ip_addr, port)) {
case let this: *http::server =>
yield this;
case net::error => abort("failure while listening");
};
defer http::server_finish(server);
for (true) {
const serv_req = match (http::serve(server)) {
case let this: *http::server_request =>
yield this;
case net::error => abort("failure while serving");
};
defer http::serve_finish(serv_req);
match (handlereq(serv_req.socket, &serv_req.request)) {
case void => yield;
case io::error => log::println("error while handling request");
};
};
};
export fn handlereq(conn: io::handle, request: *http::request) (void | io::error) = {
fmt::fprint(conn, "HTTP/1.1 200 OK\r\n")?;
fmt::fprint(conn, "Content-Type: text/plain\r\n\r\n")?;
fmt::fprintln(conn, "Hi there!")?;
};
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