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hare-http/cmd/httpd/main.ha

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use getopt;
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);
let buf = memio::dynamic();
defer io::close(&buf)!;
handlereq(&buf, &serv_req.request);
http::response_write(
serv_req.socket,
http::STATUS_OK,
&buf,
("Content-Type", "text/plain")
)!;
};
};
export fn handlereq(buf: *io::stream, request: *http::request) void = {
fmt::fprintfln(buf, "Method: {}", request.method)!;
fmt::fprintfln(buf, "Path: {}", request.target.path)!;
fmt::fprintfln(buf, "Fragment: {}", request.target.fragment)!;
fmt::fprintfln(buf, "Query: {}", request.target.query)!;
fmt::fprintfln(buf, "Headers: <<EOF")!;
http::write_header(buf, &request.header)!;
fmt::fprintfln(buf, "EOF")!;
match (request.body) {
case void => void;
case let body: io::handle =>
fmt::fprintfln(buf, "Body: <<EOF")!;
for (true) {
match (bufio::read_line(body)!) {
case let line: []u8 =>
fmt::fprintln(buf, strings::fromutf8(line)!)!;
break;
case io::EOF =>
break;
};
};
fmt::fprintfln(buf, "EOF")!;
};
};