@Override
public long buildOutputChain(NginxResponse response) {
long r = response.request().nativeRequest();
try {
long pool = UNSAFE.getAddress(r + NGX_HTTP_CLOJURE_REQ_POOL_OFFSET);
int status = response.fetchStatus(NGX_HTTP_OK);
Object body = response.fetchBody();
long chain = 0;
if (body != null) {
chain = buildResponseItemBuf(r, body, chain);
if (chain == 0) {
return -NGX_HTTP_INTERNAL_SERVER_ERROR;
} else if (chain < 0 && chain != -204) {
return chain;
}
} else {
chain = -NGX_HTTP_NO_CONTENT;
}
if (chain == -NGX_HTTP_NO_CONTENT) {
if (status == NGX_HTTP_OK) {
status = NGX_HTTP_NO_CONTENT;
}
return -status;
}
return chain;
} catch (Throwable e) {
log.error("server unhandled exception!", e);
return -NGX_HTTP_INTERNAL_SERVER_ERROR;
}
}
@Override
public <K, V> long prepareHeaders(
NginxRequest req, long status, Collection<Map.Entry<K, V>> headers) {
long r = req.nativeRequest();
long pool = UNSAFE.getAddress(r + NGX_HTTP_CLOJURE_REQ_POOL_OFFSET);
long headers_out = r + NGX_HTTP_CLOJURE_REQ_HEADERS_OUT_OFFSET;
String contentType = null;
String server = null;
if (headers != null) {
for (Map.Entry<?, ?> hen : headers) {
Object nameObj = hen.getKey();
Object val = hen.getValue();
if (nameObj == null || val == null) {
continue;
}
String name = normalizeHeaderName(nameObj);
if (name == null || name.length() == 0) {
continue;
}
NginxHeaderHolder pusher = fetchResponseHeaderPusher(name);
if (pusher == RESP_CONTENT_TYPE_HOLDER) {
if (val instanceof String) {
contentType = (String) val;
} else { // TODO:support another types
}
}
pusher.push(headers_out, pool, val);
}
}
if (contentType == null && status != NGX_HTTP_SWITCHING_PROTOCOLS) {
ngx_http_set_content_type(r);
} else {
int contentTypeLen =
pushNGXString(
headers_out + NGX_HTTP_CLOJURE_HEADERSO_CONTENT_TYPE_OFFSET,
contentType,
DEFAULT_ENCODING,
pool);
// be friendly to gzip module
pushNGXSizet(headers_out + NGX_HTTP_CLOJURE_HEADERSO_CONTENT_TYPE_LEN_OFFSET, contentTypeLen);
}
pushNGXInt(headers_out + NGX_HTTP_CLOJURE_HEADERSO_STATUS_OFFSET, (int) status);
return r;
}
