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libcamera: Add IPCPipe implementation based on unix socket

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Add an implementation of IPCPipe using unix socket.

[Original patch]
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Error fix from Niklas]
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
This commit is contained in:
Paul Elder 2020-12-05 19:30:50 +09:00
parent e1ccded833
commit 21f1b555b7
4 changed files with 196 additions and 0 deletions
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49
include/libcamera/internal/ipc_pipe_unixsocket.h Normal file
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* ipc_pipe_unixsocket.h - Image Processing Algorithm IPC module using unix socket
*/
#ifndef __LIBCAMERA_INTERNAL_IPA_IPC_UNIXSOCKET_H__
#define __LIBCAMERA_INTERNAL_IPA_IPC_UNIXSOCKET_H__
#include <map>
#include <memory>
#include <vector>
#include "libcamera/internal/ipc_pipe.h"
#include "libcamera/internal/ipc_unixsocket.h"
namespace libcamera {
class Process;
class IPCPipeUnixSocket : public IPCPipe
{
public:
IPCPipeUnixSocket(const char *ipaModulePath, const char *ipaProxyWorkerPath);
~IPCPipeUnixSocket();
int sendSync(const IPCMessage &in,
IPCMessage *out = nullptr) override;
int sendAsync(const IPCMessage &data) override;
private:
struct CallData {
IPCUnixSocket::Payload *response;
bool done;
};
void readyRead(IPCUnixSocket *socket);
int call(const IPCUnixSocket::Payload &message,
IPCUnixSocket::Payload *response, uint32_t seq);
std::unique_ptr<Process> proc_;
std::unique_ptr<IPCUnixSocket> socket_;
std::map<uint32_t, CallData> callData_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_INTERNAL_IPA_IPC_UNIXSOCKET_H__ */