64 lines
1.4 KiB
Hare
64 lines
1.4 KiB
Hare
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use io;
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use os;
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use fmt;
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use strconv;
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export type version = (uint, uint);
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// Stores state related to an HTTP response.
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export type response = struct {
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// HTTP protocol version (major, minor)
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version: version,
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// The HTTP status for this request as an integer.
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status: uint,
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// The HTTP status reason phrase.
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reason: str,
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// The HTTP headers provided by the server.
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header: header,
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// The response body, if any.
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body: nullable *io::stream,
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};
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// Frees state associated with an HTTP [[response]]. If the response has a
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// non-null body, the user must call [[io::close]] prior to calling this
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// function.
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export fn response_finish(resp: *response) void = {
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header_free(&resp.header);
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free(resp.reason);
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free(resp.body);
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};
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export fn response_write(
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rw: io::handle,
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status: uint,
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body: (void | io::handle),
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header: (str, str)...
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) (void | io::error) = {
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fmt::fprintfln(rw, "HTTP/1.1 {} {}", status, status_reason(status))?;
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let header = header_dup(&header);
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defer header_free(&header);
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match (body) {
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case void => void;
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case let body: io::handle =>
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match (io::tell(body)) {
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case io::error => void;
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case let off: io::off =>
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header_add(&header, "Content-Length", strconv::i64tos(off));
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io::seek(body, 0, io::whence::SET)!;
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body = &io::limitreader(body, off: size);
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};
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};
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write_header(rw, &header)?;
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fmt::fprintln(rw)!;
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match (body) {
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case void => void;
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case let body: io::handle =>
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io::copy(rw, body)!;
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};
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};
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