55 lines
1.3 KiB
Hare
55 lines
1.3 KiB
Hare
use bufio;
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use fmt;
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use io;
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use net::dial;
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use net::uri;
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use net;
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use os;
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type context = struct {
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conn: io::handle,
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file: bufio::bufstream,
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buf: [os::BUFSIZ]u8,
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};
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// Performs an HTTP [[request]] with the given [[client]]. The request is
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// performed synchronously; this function blocks until the server has returned
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// the response status and all HTTP headers associated with the response.
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export fn do(client: *client, req: *request) (response | error) = {
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let ctx = context { ... };
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assert(req.target.scheme == "http"); // TODO: https
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const conn = dial::dial_uri("tcp", req.target)?;
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ctx.file = bufio::buffered(conn, [], ctx.buf);
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bufio::setflush(&ctx.file, []);
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fmt::fprintf(&ctx.file, "{} ", req.method)?;
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// TODO: Support other request-targets than origin-form
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let target = uri_origin_form(req.target);
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uri::fmt(&ctx.file, &target)?;
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fmt::fprintf(&ctx.file, " HTTP/1.1\r\n")?;
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// TODO: Handle Content-Length and Transfer-Encoding chunked/gzip
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// properly
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write_header(&ctx.file, &req.header)?;
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fmt::fprintf(&ctx.file, "\r\n")?;
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bufio::flush(&ctx.file)?;
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match (req.body) {
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case void =>
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yield;
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case let body: io::handle =>
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// Copy to conn directly so we can use sendfile(2) if
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// appropriate
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io::copy(conn, body)?;
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};
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// TODO: Parse resposne
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return response {
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body = conn,
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...
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};
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};
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