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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2016 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SHRPX_API_DOWNSTREAM_CONNECTION_H
#define SHRPX_API_DOWNSTREAM_CONNECTION_H
#include "shrpx_downstream_connection.h"
#include "template.h"
using namespace nghttp2;
namespace shrpx {
class Worker;
// If new method is added, don't forget to update API_METHOD_STRING as
// well.
enum APIMethod {
API_METHOD_GET,
API_METHOD_POST,
API_METHOD_PUT,
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 {
// Endpoint path. It must start with "/api/".
StringRef path;
// true if we evaluate request body.
bool require_body;
// Allowed methods. This is bitwise OR of one or more of (1 <<
// APIMethod value).
uint8_t allowed_methods;
std::function<int(APIDownstreamConnection &)> handler;
};
class APIDownstreamConnection : public DownstreamConnection {
public:
APIDownstreamConnection(Worker *worker);
virtual ~APIDownstreamConnection();
virtual int attach_downstream(Downstream *downstream);
virtual void detach_downstream(Downstream *downstream);
virtual int push_request_headers();
virtual int push_upload_data_chunk(const uint8_t *data, size_t datalen);
virtual int end_upload_data();
virtual void pause_read(IOCtrlReason reason);
virtual int resume_read(IOCtrlReason reason, size_t consumed);
virtual void force_resume_read();
virtual int on_read();
virtual int on_write();
virtual void on_upstream_change(Upstream *upstream);
// true if this object is poolable.
virtual bool poolable() const;
virtual const std::shared_ptr<DownstreamAddrGroup> &
get_downstream_addr_group() const;
virtual DownstreamAddr *get_addr() const;
int send_reply(unsigned int http_status, APIStatusCode api_status,
const StringRef &data = StringRef{});
int error_method_not_allowed();
// Handles backendconfig API request.
int handle_backendconfig();
// Handles configrevision API request.
int handle_configrevision();
private:
Worker *worker_;
// This points to the requested APIEndpoint struct.
const APIEndpoint *api_;
// The file descriptor for temporary file to store request body.
int fd_;
// true if we stop reading request body.
bool shutdown_read_;
};
} // namespace shrpx
#endif // SHRPX_API_DOWNSTREAM_CONNECTION_H
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