void HTTPTransaction::sendHeadersWithOptionalEOM(
const HTTPMessage& headers,
bool eom) {
CHECK(HTTPTransactionEgressSM::transit(
egressState_, HTTPTransactionEgressSM::Event::sendHeaders));
DCHECK(!isEgressComplete());
if (isDownstream() && !isPushed()) {
lastResponseStatus_ = headers.getStatusCode();
}
if (headers.isRequest()) {
headRequest_ = (headers.getMethod() == HTTPMethod::HEAD);
}
HTTPHeaderSize size;
transport_.sendHeaders(this, headers, &size, eom);
if (transportCallback_) {
transportCallback_->headerBytesGenerated(size);
}
if (eom) {
CHECK(HTTPTransactionEgressSM::transit(
egressState_, HTTPTransactionEgressSM::Event::sendEOM));
// trailers are supported in this case:
// trailers are for chunked encoding-transfer of a body
if (transportCallback_) {
transportCallback_->bodyBytesGenerated(0);
}
CHECK(HTTPTransactionEgressSM::transit(
egressState_, HTTPTransactionEgressSM::Event::eomFlushed));
}
flushWindowUpdate();
}
void HTTPChecks::generateHeader(folly::IOBufQueue& writeBuf,
StreamID stream,
const HTTPMessage& msg,
StreamID assocStream,
HTTPHeaderSize* sizeOut) {
if (msg.isRequest() && RFC2616::bodyImplied(msg.getHeaders())) {
CHECK(RFC2616::isRequestBodyAllowed(msg.getMethod()) !=
RFC2616::BodyAllowed::NOT_ALLOWED);
// We could also add a "strict" mode that disallows sending body on GET
// requests here too.
}
call_->generateHeader(writeBuf, stream, msg, assocStream, sizeOut);
}
