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nghttpx: Convert API status code to enum class

This commit is contained in:
Tatsuhiro Tsujikawa 2018-10-17 14:23:53 +09:00
parent 1daf9ce8b7
commit 42e8ceb656
2 changed files with 25 additions and 24 deletions
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40
src/shrpx_api_downstream_connection.cc
View File

@ -95,15 +95,9 @@ void APIDownstreamConnection::detach_downstream(Downstream *downstream) {
downstream_ = nullptr;
}
// API status, which is independent from HTTP status code. But
// generally, 2xx code for API_SUCCESS, and otherwise API_FAILURE.
enum {
API_SUCCESS,
API_FAILURE,
};
int APIDownstreamConnection::send_reply(unsigned int http_status,
int api_status, const StringRef &data) {
APIStatusCode api_status,
const StringRef &data) {
shutdown_read_ = true;
auto upstream = downstream_->get_upstream();
@ -117,10 +111,10 @@ int APIDownstreamConnection::send_reply(unsigned int http_status,
StringRef api_status_str;
switch (api_status) {
case API_SUCCESS:
case APIStatusCode::SUCCESS:
api_status_str = StringRef::from_lit("Success");
break;
case API_FAILURE:
case APIStatusCode::FAILURE:
api_status_str = StringRef::from_lit("Failure");
break;
default:
@ -206,7 +200,7 @@ int APIDownstreamConnection::push_request_headers() {
api_ = lookup_api(path);
if (!api_) {
send_reply(404, API_FAILURE);
send_reply(404, APIStatusCode::FAILURE);
return 0;
}
@ -238,7 +232,7 @@ int APIDownstreamConnection::push_request_headers() {
// This works with req.fs.content_length == -1
if (req.fs.content_length >
static_cast<int64_t>(get_config()->api.max_request_body)) {
send_reply(413, API_FAILURE);
send_reply(413, APIStatusCode::FAILURE);
return 0;
}
@ -253,7 +247,7 @@ int APIDownstreamConnection::push_request_headers() {
fd_ = mkstemp(tempname);
#endif // !HAVE_MKOSTEMP
if (fd_ == -1) {
send_reply(500, API_FAILURE);
send_reply(500, APIStatusCode::FAILURE);
return 0;
}
@ -303,7 +297,7 @@ int APIDownstreamConnection::error_method_not_allowed() {
resp.fs.add_header_token(StringRef::from_lit("allow"), StringRef{iov.base, p},
false, -1);
return send_reply(405, API_FAILURE);
return send_reply(405, APIStatusCode::FAILURE);
}
int APIDownstreamConnection::push_upload_data_chunk(const uint8_t *data,
@ -316,7 +310,7 @@ int APIDownstreamConnection::push_upload_data_chunk(const uint8_t *data,
auto &apiconf = get_config()->api;
if (static_cast<size_t>(req.recv_body_length) > apiconf.max_request_body) {
send_reply(413, API_FAILURE);
send_reply(413, APIStatusCode::FAILURE);
return 0;
}
@ -327,7 +321,7 @@ int APIDownstreamConnection::push_upload_data_chunk(const uint8_t *data,
if (nwrite == -1) {
auto error = errno;
LOG(ERROR) << "Could not write API request body: errno=" << error;
send_reply(500, API_FAILURE);
send_reply(500, APIStatusCode::FAILURE);
return 0;
}
@ -351,14 +345,14 @@ int APIDownstreamConnection::handle_backendconfig() {
auto &req = downstream_->request();
if (req.recv_body_length == 0) {
send_reply(200, API_SUCCESS);
send_reply(200, APIStatusCode::SUCCESS);
return 0;
}
auto rp = mmap(nullptr, req.recv_body_length, PROT_READ, MAP_SHARED, fd_, 0);
if (rp == reinterpret_cast<void *>(-1)) {
send_reply(500, API_FAILURE);
send_reply(500, APIStatusCode::FAILURE);
}
auto unmapper = defer(munmap, rp, req.recv_body_length);
@ -395,7 +389,7 @@ int APIDownstreamConnection::handle_backendconfig() {
auto eq = std::find(first, eol, '=');
if (eq == eol) {
send_reply(400, API_FAILURE);
send_reply(400, APIStatusCode::FAILURE);
return 0;
}
@ -414,7 +408,7 @@ int APIDownstreamConnection::handle_backendconfig() {
if (parse_config(&new_config, optid, opt, optval, include_set,
pattern_addr_indexer) != 0) {
send_reply(400, API_FAILURE);
send_reply(400, APIStatusCode::FAILURE);
return 0;
}
@ -424,7 +418,7 @@ int APIDownstreamConnection::handle_backendconfig() {
auto &tlsconf = config->tls;
if (configure_downstream_group(&new_config, config->http2_proxy, true,
tlsconf) != 0) {
send_reply(400, API_FAILURE);
send_reply(400, APIStatusCode::FAILURE);
return 0;
}
@ -432,7 +426,7 @@ int APIDownstreamConnection::handle_backendconfig() {
conn_handler->send_replace_downstream(downstreamconf);
send_reply(200, API_SUCCESS);
send_reply(200, APIStatusCode::SUCCESS);
return 0;
}
@ -451,7 +445,7 @@ int APIDownstreamConnection::handle_configrevision() {
util::make_string_ref_uint(balloc, config->config_revision),
StringRef::from_lit("}"));
send_reply(200, API_SUCCESS, data);
send_reply(200, APIStatusCode::SUCCESS, data);
return 0;
}

9
src/shrpx_api_downstream_connection.h
View File

@ -43,6 +43,13 @@ enum APIMethod {
API_METHOD_MAX,
};
// API status code, which is independent from HTTP status code. But
// generally, 2xx code for SUCCESS, and otherwise FAILURE.
enum class APIStatusCode {
SUCCESS,
FAILURE,
};
class APIDownstreamConnection;
struct APIEndpoint {
@ -83,7 +90,7 @@ public:
get_downstream_addr_group() const;
virtual DownstreamAddr *get_addr() const;
int send_reply(unsigned int http_status, int api_status,
int send_reply(unsigned int http_status, APIStatusCode api_status,
const StringRef &data = StringRef{});
int error_method_not_allowed();