4bd09795a1
With the internal headers now in include/libcamera/internal/, we may have identically named headers in include/libcamera/. Their header guards would clash. Rename the header guards of internal headers to prevent any issue. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
|
/*
|
|
* Copyright (C) 2019, Google Inc.
|
|
*
|
|
* ipc_unixsocket.h - IPC mechanism based on Unix sockets
|
|
*/
|
|
|
|
#ifndef __LIBCAMERA_INTERNAL_IPC_UNIXSOCKET_H__
|
|
#define __LIBCAMERA_INTERNAL_IPC_UNIXSOCKET_H__
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
#include <vector>
|
|
|
|
#include <libcamera/event_notifier.h>
|
|
|
|
namespace libcamera {
|
|
|
|
class IPCUnixSocket
|
|
{
|
|
public:
|
|
struct Payload {
|
|
std::vector<uint8_t> data;
|
|
std::vector<int32_t> fds;
|
|
};
|
|
|
|
IPCUnixSocket();
|
|
~IPCUnixSocket();
|
|
|
|
int create();
|
|
int bind(int fd);
|
|
void close();
|
|
bool isBound() const;
|
|
|
|
int send(const Payload &payload);
|
|
int receive(Payload *payload);
|
|
|
|
Signal<IPCUnixSocket *> readyRead;
|
|
|
|
private:
|
|
struct Header {
|
|
uint32_t data;
|
|
uint8_t fds;
|
|
};
|
|
|
|
int sendData(const void *buffer, size_t length, const int32_t *fds, unsigned int num);
|
|
int recvData(void *buffer, size_t length, int32_t *fds, unsigned int num);
|
|
|
|
void dataNotifier(EventNotifier *notifier);
|
|
|
|
int fd_;
|
|
bool headerReceived_;
|
|
struct Header header_;
|
|
EventNotifier *notifier_;
|
|
};
|
|
|
|
} /* namespace libcamera */
|
|
|
|
#endif /* __LIBCAMERA_INTERNAL_IPC_UNIXSOCKET_H__ */
|