2020-11-18 18:01:39 +01:00

412 lines
13 KiB
C++

#pragma once
#include "SharedMemory.h"
#include "sls/Result.h"
#include "sls/logger.h"
#include "sls/sls_detector_defs.h"
class ZmqSocket;
class detectorData;
#include <memory>
#include <mutex>
#include <semaphore.h>
#include <string>
#include <thread>
#include <vector>
#define MULTI_SHMAPIVERSION 0x190809
#define MULTI_SHMVERSION 0x201007
#define SHORT_STRING_LENGTH 50
#include <future>
#include <numeric>
namespace sls {
class Module;
/**
* @short structure allocated in shared memory to store detector settings
* for IPC and cache
*/
struct sharedMultiSlsDetector {
/* FIXED PATTERN FOR STATIC FUNCTIONS. DO NOT CHANGE, ONLY APPEND
* ------*/
/** shared memory version */
int shmversion;
/** last process id accessing the shared memory */
pid_t lastPID;
/** last user name accessing the shared memory */
char lastUser[SHORT_STRING_LENGTH];
/** last time stamp when accessing the shared memory */
char lastDate[SHORT_STRING_LENGTH];
int numberOfDetectors;
slsDetectorDefs::detectorType multiDetectorType;
/** END OF FIXED PATTERN
* -----------------------------------------------*/
/** Number of detectors operated at once */
slsDetectorDefs::xy numberOfDetector;
/** max number of channels for complete detector*/
slsDetectorDefs::xy numberOfChannels;
bool acquiringFlag;
bool initialChecks;
bool gapPixels;
/** high water mark of listening tcp port (only data) */
int zmqHwm;
};
class DetectorImpl : public virtual slsDetectorDefs {
public:
/**
* Constructor
* @param multi_id multi detector id
* @param verify true to verify if shared memory version matches existing
* one
* @param update true to update last user pid, date etc
*/
explicit DetectorImpl(int multi_id = 0, bool verify = true,
bool update = true);
/**
* Destructor
*/
virtual ~DetectorImpl();
template <class CT> struct NonDeduced { using type = CT; };
template <typename RT, typename... CT>
sls::Result<RT> Parallel(RT (sls::Module::*somefunc)(CT...),
std::vector<int> positions,
typename NonDeduced<CT>::type... Args) {
if (detectors.empty())
throw sls::RuntimeError("No detectors added");
if (positions.empty() ||
(positions.size() == 1 && positions[0] == -1)) {
positions.resize(detectors.size());
std::iota(begin(positions), end(positions), 0);
}
std::vector<std::future<RT>> futures;
futures.reserve(positions.size());
for (size_t i : positions) {
if (i >= detectors.size())
throw sls::RuntimeError("Detector out of range");
futures.push_back(std::async(std::launch::async, somefunc,
detectors[i].get(), Args...));
}
sls::Result<RT> result;
result.reserve(positions.size());
for (auto &i : futures) {
result.push_back(i.get());
}
return result;
}
template <typename RT, typename... CT>
sls::Result<RT> Parallel(RT (sls::Module::*somefunc)(CT...) const,
std::vector<int> positions,
typename NonDeduced<CT>::type... Args) const {
if (detectors.empty())
throw sls::RuntimeError("No detectors added");
if (positions.empty() ||
(positions.size() == 1 && positions[0] == -1)) {
positions.resize(detectors.size());
std::iota(begin(positions), end(positions), 0);
}
std::vector<std::future<RT>> futures;
futures.reserve(positions.size());
for (size_t i : positions) {
if (i >= detectors.size())
throw sls::RuntimeError("Detector out of range");
futures.push_back(std::async(std::launch::async, somefunc,
detectors[i].get(), Args...));
}
sls::Result<RT> result;
result.reserve(positions.size());
for (auto &i : futures) {
result.push_back(i.get());
}
return result;
}
template <typename... CT>
void Parallel(void (sls::Module::*somefunc)(CT...),
std::vector<int> positions,
typename NonDeduced<CT>::type... Args) {
if (detectors.empty())
throw sls::RuntimeError("No detectors added");
if (positions.empty() ||
(positions.size() == 1 && positions[0] == -1)) {
positions.resize(detectors.size());
std::iota(begin(positions), end(positions), 0);
}
std::vector<std::future<void>> futures;
futures.reserve(positions.size());
for (size_t i : positions) {
if (i >= detectors.size())
throw sls::RuntimeError("Detector out of range");
futures.push_back(std::async(std::launch::async, somefunc,
detectors[i].get(), Args...));
}
for (auto &i : futures) {
i.get();
}
}
template <typename... CT>
void Parallel(void (sls::Module::*somefunc)(CT...) const,
std::vector<int> positions,
typename NonDeduced<CT>::type... Args) const {
if (detectors.empty())
throw sls::RuntimeError("No detectors added");
if (positions.empty() ||
(positions.size() == 1 && positions[0] == -1)) {
positions.resize(detectors.size());
std::iota(begin(positions), end(positions), 0);
}
std::vector<std::future<void>> futures;
futures.reserve(positions.size());
for (size_t i : positions) {
if (i >= detectors.size())
throw sls::RuntimeError("Detector out of range");
futures.push_back(std::async(std::launch::async, somefunc,
detectors[i].get(), Args...));
}
for (auto &i : futures) {
i.get();
}
}
/** set acquiring flag in shared memory */
void setAcquiringFlag(bool flag);
/** return multi detector shared memory ID */
int getMultiId() const;
/** Free specific shared memory from the command line without creating
* object */
static void freeSharedMemory(int multiId, int detPos = -1);
/** Free all modules from current multi Id shared memory and delete members
*/
void freeSharedMemory();
/** Get user details of shared memory */
std::string getUserDetails();
bool getInitialChecks() const;
/** initial compaibility and other server start up checks
* default enabled */
void setInitialChecks(const bool value);
/**
* Connect to Virtual Detector Servers at local host
* @param numdet number of detectors
* @param port starting port number
*/
void setVirtualDetectorServers(const int numdet, const int port);
/** Sets the hostname of all sls detectors in shared memory and updates
* local cache */
void setHostname(const std::vector<std::string> &name);
/** Gets the total number of detectors */
int size() const;
slsDetectorDefs::xy getNumberOfDetectors() const;
slsDetectorDefs::xy getNumberOfChannels() const;
/** Must be set before setting hostname
* Sets maximum number of channels of all sls detectors */
void setNumberOfChannels(const slsDetectorDefs::xy c);
/** [Eiger][Jungfrau] */
bool getGapPixelsinCallback() const;
/** [Eiger][Jungfrau] */
void setGapPixelsinCallback(const bool enable);
bool getDataStreamingToClient();
void setDataStreamingToClient(bool enable);
int getClientStreamingHwm() const;
void setClientStreamingHwm(const int limit);
/**
* register callback for accessing acquisition final data
* @param func function to be called at the end of the acquisition.
* gets detector status and progress index as arguments
* @param pArg argument
*/
void registerAcquisitionFinishedCallback(void (*func)(double, int, void *),
void *pArg);
/**
* register calbback for accessing detector final data,
* also enables data streaming in client and receiver
* @param userCallback function for plotting/analyzing the data.
* Its arguments are
* the data structure d and the frame number f,
* s is for subframe number for eiger for 32 bit mode
* @param pArg argument
*/
void registerDataCallback(void (*userCallback)(detectorData *, uint64_t,
uint32_t, void *),
void *pArg);
/**
* Performs a complete acquisition
* resets frames caught in receiver, starts receiver, starts detector,
* blocks till detector finished acquisition, stop receiver, increments file
* index, loops for measurements, calls required call backs.
* @returns OK or FAIL depending on if it already started
*/
int acquire();
/**
* Combines data from all readouts and gives it to the gui
* or just gives progress of acquisition by polling receivers
*/
void processData(bool receiver);
/**
* Convert raw file
* [Jungfrau][Ctb] from pof file
* [Mythen3][Gotthard2] from rbf file
* @param fname name of pof/rbf file
* @returns binary of the program
*/
std::vector<char> readProgrammingFile(const std::string &fname);
private:
/**
* Creates/open shared memory, initializes detector structure and members
* Called by constructor/ set hostname / read config file
* @param verify true to verify if shared memory version matches existing
* one
* @param update true to update last user pid, date etc
*/
void setupMultiDetector(bool verify = true, bool update = true);
/**
* Creates shm and initializes shm structure OR
* Open shm and maps to structure
* @param verify true to verify if shm size matches existing one
*/
void initSharedMemory(bool verify = true);
/** Initialize detector structure for the shared memory just created */
void initializeDetectorStructure();
/** Initialize members (eg. slsDetectors from shm, zmqsockets)
* @param verify true to verify if shm size matches existing one
*/
void initializeMembers(bool verify = true);
/** Update in shm */
void updateUserdetails();
bool isAcquireReady();
/** Execute command in terminal and return result */
std::string exec(const char *cmd);
void addSlsDetector(const std::string &hostname);
void updateDetectorSize();
int destroyReceivingDataSockets();
int createReceivingDataSockets();
/**
* Reads frames from receiver through a constant socket
* Called during acquire() when call back registered or when using gui
*/
void readFrameFromReceiver();
/** [Eiger][Jungfrau]
* add gap pixels to the imag
* @param image pointer to image without gap pixels
* @param gpImage poiner to image with gap pixels, if NULL, allocated
* @param quadEnable quad enabled
* @param dr dynamic range
* @param nPixelsx number of pixels in X axis (updated)
* @param nPixelsy number of pixels in Y axis (updated)
* @returns total data bytes for updated image
*/
int InsertGapPixels(char *image, char *&gpImage, bool quadEnable, int dr,
int &nPixelsx, int &nPixelsy);
void printProgress(double progress);
void startProcessingThread(bool receiver);
/**
* Check if processing thread is ready to join main thread
* @returns true if ready, else false
*/
bool getJoinThreadFlag() const;
/**
* Main thread sets if the processing thread should join it
* @param value true if it should join, else false
*/
void setJoinThreadFlag(bool value);
/**
* Listen to key event to stop acquiring
* when using acquire command
*/
int kbhit();
/** Multi detector Id */
const int multiId{0};
/** Shared Memory object */
sls::SharedMemory<sharedMultiSlsDetector> multi_shm{0, -1};
/** pointers to the Module structures */
std::vector<std::unique_ptr<sls::Module>> detectors;
/** data streaming (down stream) enabled in client (zmq sckets created) */
bool client_downstream{false};
/** ZMQ Socket - Receiver to Client */
std::vector<std::unique_ptr<ZmqSocket>> zmqSocket;
/** number of zmq sockets running currently */
volatile int numZmqRunning{0};
/** mutex to synchronize main and data processing threads */
mutable std::mutex mp;
/** sets when the acquisition is finished */
bool jointhread{false};
/** the data processing thread */
std::thread dataProcessingThread;
/** detector data packed for the gui */
detectorData *thisData{nullptr};
void (*acquisition_finished)(double, int, void *){nullptr};
void *acqFinished_p{nullptr};
void (*dataReady)(detectorData *, uint64_t, uint32_t, void *){nullptr};
void *pCallbackArg{nullptr};
};
} // namespace sls