rewrite CAMERA_STATUS logics

add filesystem permissions checking
This commit is contained in:
Timur A. Fatkhullin 2024-12-19 18:43:16 +03:00
parent b570a4e7ea
commit 6c45f04448
5 changed files with 153 additions and 42 deletions

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@ -44,7 +44,7 @@ target_compile_definitions(${RAPTOR_EAGLEV_LIB} PUBLIC USE_ASIO_LIBRARY USE_SPDL
# !!!!! TEMPORARY !!!!!
target_include_directories(${RAPTOR_EAGLEV_LIB} PUBLIC "../ADC/")
target_include_directories(${RAPTOR_EAGLEV_LIB} PUBLIC ${XCLIB_INCLUDE_DIR} ${CFITSIO_INCLUDE_DIR})
target_link_libraries(${RAPTOR_EAGLEV_LIB} PUBLIC Threads::Threads atomic spdlog::spdlog_header_only ${XCLIB_LIBRARIES} ${CFITSIO_LIBRARY})
target_link_libraries(${RAPTOR_EAGLEV_LIB} PUBLIC Threads::Threads spdlog::spdlog_header_only ${XCLIB_LIBRARIES} ${CFITSIO_LIBRARY})
set(RAPTOR_EAGLEV_SERVER raptor_eaglev_server)

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@ -89,6 +89,11 @@ void RaptorEagleCCD::AcquisitionProcess::start(const std::shared_ptr<acq_params_
isAcqInProgress = false;
_status = STATUS_IDLE;
// _status = std::string(CAMERA_ATTR_CAMERA_STATUS_IDLE.begin(), CAMERA_ATTR_CAMERA_STATUS_IDLE.end());
// _manager->_cameraStatus = CAMERA_ATTR_CAMERA_STATUS_IDLE;
return;
}
@ -147,6 +152,12 @@ void RaptorEagleCCD::AcquisitionProcess::start(const std::shared_ptr<acq_params_
isAcqInProgress = false;
} catch (...) {
isAcqInProgress = false;
_status = STATUS_IDLE;
// _status = std::string(CAMERA_ATTR_CAMERA_STATUS_IDLE.begin(), CAMERA_ATTR_CAMERA_STATUS_IDLE.end());
// _manager->_cameraStatus = CAMERA_ATTR_CAMERA_STATUS_IDLE;
throw;
}
@ -155,9 +166,21 @@ void RaptorEagleCCD::AcquisitionProcess::start(const std::shared_ptr<acq_params_
if (_acqParams->filename.empty()) {
_manager->logWarn("An empty FITS filename is given! Do not save acquired image!");
_status = STATUS_IDLE;
// _status = std::string(CAMERA_ATTR_CAMERA_STATUS_IDLE.begin(), CAMERA_ATTR_CAMERA_STATUS_IDLE.end());
// _manager->_cameraStatus = CAMERA_ATTR_CAMERA_STATUS_IDLE;
return;
}
_status = STATUS_SAVE;
// _status = std::string(CAMERA_ATTR_CAMERA_STATUS_IDLE.begin(), CAMERA_ATTR_CAMERA_STATUS_IDLE.end()) +
// std::format(" {}", _acqParams->filename);
// _manager->_cameraStatus = CAMERA_ATTR_CAMERA_STATUS_SAVE;
std::string fname{"!"}; // to overwrite existing file
fname += _acqParams->filename;
@ -362,6 +385,10 @@ void RaptorEagleCCD::AcquisitionProcess::start(const std::shared_ptr<acq_params_
fits_close_file(fitsFilePtr, &status);
_status = STATUS_IDLE;
// _status = std::string(CAMERA_ATTR_CAMERA_STATUS_IDLE.begin(), CAMERA_ATTR_CAMERA_STATUS_IDLE.end());
// _manager->_cameraStatus = CAMERA_ATTR_CAMERA_STATUS_IDLE;
fits_get_errstatus(status, err_str);
if (status) {
@ -392,3 +419,35 @@ void RaptorEagleCCD::AcquisitionProcess::stop(bool save)
_manager->logWarn("There was no active acquisition process! Ignore!");
}
}
std::string RaptorEagleCCD::AcquisitionProcess::status()
{
std::lock_guard lock(_statusMutex);
switch (_status) {
case STATUS_IDLE:
_statusString = std::format("{}", CAMERA_ATTR_CAMERA_STATUS_IDLE);
break;
case STATUS_ACQ: {
std::chrono::duration<double> curr_exp = _acqParams->abortTime - _acqParams->startTime;
if (curr_exp.count() <= 0) {
_status = STATUS_READ;
_statusString = std::format("{} {}", CAMERA_ATTR_CAMERA_STATUS_READ, _acqParams->filename);
} else {
_statusString = std::format("{} {}", CAMERA_ATTR_CAMERA_STATUS_ACQ, curr_exp.count());
}
break;
}
case STATUS_READ:
_statusString = std::format("{} {}", CAMERA_ATTR_CAMERA_STATUS_READ, _acqParams->filename);
break;
case STATUS_SAVE:
_statusString = std::format("{} {}", CAMERA_ATTR_CAMERA_STATUS_SAVE, _acqParams->filename);
break;
default:
_statusString = "UNKNOWN"; // is should not be!!!
}
return _statusString;
}

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@ -1,5 +1,7 @@
#include <cmath>
#include <csignal>
#include <cstring>
#include <filesystem>
#include "raptor_eagle_cameralink.h"
#include "raptor_eagle_ccd.h"
@ -410,6 +412,14 @@ bool RaptorEagleCCD::initCamera(int unitmap)
throw std::system_error(RaptorEagleCCDError::ERROR_INVALID_UNITMAP);
}
std::string status = (*this)[CAMERA_ATTR_CAMERA_STATUS];
if (status != CAMERA_ATTR_CAMERA_STATUS_IDLE) {
logWarn("It seems camera current status is not IDLE! Abort possible exposure!");
(*this)[CAMERA_CMD_ABORT_EXP];
// _cameraStatus = CAMERA_ATTR_CAMERA_STATUS_IDLE;
}
AcquisitionProcess::isAcqInProgress = false; // ??????!!!!!!!!!!!
_cameraUnitmap = unitmap;
// configure CameraLink serial connection
@ -472,6 +482,19 @@ bool RaptorEagleCCD::initCamera(int unitmap)
// setTriggerRegisterBit(CL_TRIGGER_MODE_ABORT_CURRENT_EXP_BIT);
_permanentFitsKeywords.clear();
_currentFitsKeywords.clear();
// xclibApiCall<true>(pxd_eventFieldClose(_cameraUnitmap, SIGUSR2),
// std::format("pxd_eventFieldClose({}, {})", _cameraUnitmap, SIGUSR2));
// xclibApiCall(pxd_eventFieldCreate(_cameraUnitmap, SIGUSR2, NULL),
// std::format("pxd_eventFieldCreate({}, {}, NULL)", _cameraUnitmap, SIGUSR2));
// std::signal(SIGUSR2, [this](int signo) { logDebug("SIGUSR2 SIGNAL IS RECEIVED!!!");
// });
logInfo("Camera with unitmap '{}' is initialized", _cameraUnitmap);
return true;
@ -488,8 +511,8 @@ void RaptorEagleCCD::openPIXCI()
} else {
xclibApiCall(pxd_PIXCIopen("", "DEFAULT", ""), "pxd_PIXCIopen(\"\", \"DEFAULT\", \"\")");
// #include DEFAULT_EPIX_VIDEO_FMT_FILE // exported from XCAP (Linux 64-bit!): bin 1x1, full CCD frame
#include "raptor_eagle-v.fmt" // exported from XCAP (Linux 64-bit!): bin 1x1, full CCD frame
#include DEFAULT_EPIX_VIDEO_FMT_FILE // exported from XCAP (Linux 64-bit!): bin 1x1, full CCD frame
// #include "raptor_eagle-v.fmt" // exported from XCAP (Linux 64-bit!): bin 1x1, full CCD frame
pxd_videoFormatAsIncludedInit(0);
xclibApiCall(pxd_videoFormatAsIncluded(0), "pxd_videoFormatAsIncluded(0)");
}
@ -521,7 +544,8 @@ size_t RaptorEagleCCD::clRead(byte_seq_t& bytes)
std::format("pxd_serialRead({}, 0, NULL, 0)", _cameraUnitmap), spdlog::level::trace);
if (!nbytes) {
logWarn("There are no bytes in Rx-buffer! Polling buffer during {} ...", CL_DEFAULT_TIMEOUT);
// logWarn("There are no bytes in Rx-buffer! Polling buffer during {} ...", CL_DEFAULT_TIMEOUT);
logTrace("There are no bytes in Rx-buffer! Polling buffer during {} ...", CL_DEFAULT_TIMEOUT);
while ((std::chrono::steady_clock::now() - start_tp) <= CL_DEFAULT_TIMEOUT) {
std::this_thread::sleep_for(std::chrono::milliseconds(5));
nbytes = pxd_serialRead(_cameraUnitmap, 0, nullptr, 0);
@ -638,9 +662,11 @@ size_t RaptorEagleCCD::clWrite(const byte_seq_t& bytes)
// send trailing ETX and possible checksum bytes
if (tr_nbytes > 1) {
logDebug("Write trailing ETX and checksum bytes");
// logDebug("Write trailing ETX and checksum bytes");
logTrace("Write trailing ETX and checksum bytes");
} else {
logDebug("Write trailing ETX byte");
// logDebug("Write trailing ETX byte");
logTrace("Write trailing ETX byte");
}
xclibApiCall(pxd_serialWrite(_cameraUnitmap, 0, (char*)etx_checksum_bytes, tr_nbytes),
@ -968,6 +994,17 @@ void RaptorEagleCCD::startAquisition()
.currentKeywords = std::move(_currentFitsKeywords) // move!!!
}));
// check filesystem
std::filesystem::path pt(acq_pars->filename);
auto perms = std::filesystem::status(pt.parent_path()).permissions();
bool good_perm = (std::filesystem::perms::owner_write & perms) != std::filesystem::perms::none;
good_perm &= (std::filesystem::perms::owner_exec & perms) != std::filesystem::perms::none;
if (!good_perm) {
logError("Invalid FITS-image filename! Insufficient filesystem permissions!");
throw std::system_error(RaptorEagleCCDError::ERROR_INSUFFICIENT_FILESYSTEM_PERMISSIONS);
}
// adjust geometry
// auto dv = std::div(_dimCCD[0] - acq_pars->roiStartX, acq_pars->binX);
@ -1029,6 +1066,12 @@ void RaptorEagleCCD::startAquisition()
if (status == 0) {
logError("CANNOT START ACQUIRING!!!");
}
// std::lock_guard lock(sptr->_statusMutex);
sptr->_status = AcquisitionProcess::STATUS_IDLE;
// sptr->_status = std::format("{} {}", CAMERA_ATTR_CAMERA_STATUS_ACQ, sptr->_acqParams->expTime);
// _cameraStatus = CAMERA_ATTR_CAMERA_STATUS_ACQ;
}
@ -1173,42 +1216,43 @@ void RaptorEagleCCD::initAttrComm()
/* ------- ATTRIBUTES ------- */
/* CAMERA CURRENT STATUS */
/* CAMERA CURRENT STATUS (READ-ONLY) */
addAttribute(
CAMERA_ATTR_CAMERA_STATUS,
[this]() {
logTrace("Return current camera status as {}", _cameraStatus.load());
return _cameraStatus.load();
},
[this](const std::string_view& status) {
logDebug("Try to set current status to {}", status);
addAttribute(CAMERA_ATTR_CAMERA_STATUS, [this]() {
std::lock_guard lock_guard(_acqProcessesMutex);
if (status != CAMERA_ATTR_CAMERA_STATUS_ACQ && status != CAMERA_ATTR_CAMERA_STATUS_READ &&
status != CAMERA_ATTR_CAMERA_STATUS_SAVE && status != CAMERA_ATTR_CAMERA_STATUS_IDLE) {
logError("Invalid value of camera status!!!");
throw std::system_error();
std::string s, s_head;
if (!_acqProcesses.empty()) {
for (auto it = _acqProcesses.begin(); it != _acqProcesses.end();) {
if (it->expired()) {
it = _acqProcesses.erase(it);
} else {
auto sptr = it->lock();
auto st = sptr->status();
if (st.substr(0, 3) == "ACQ") { // if the camera is acquiring then
s_head = st + ", "; // return it at the beginning of the status string
} else {
std::ranges::copy(st, std::back_inserter(s));
s += ", ";
}
}
}
}
_cameraStatus = status;
logDebug("Camera status is {}", _cameraStatus.load());
},
adc::utils::AdcDefaultValueConverter<>::serialize<attribute_t::serialized_t, std::string_view>,
[&comp_case_ignore](const attribute_t::serialized_t& v) {
if (std::ranges::equal(v, CAMERA_ATTR_CAMERA_STATUS_ACQ, comp_case_ignore)) {
return CAMERA_ATTR_CAMERA_STATUS_ACQ;
} else if (std::ranges::equal(v, CAMERA_ATTR_CAMERA_STATUS_READ, comp_case_ignore)) {
return CAMERA_ATTR_CAMERA_STATUS_READ;
} else if (std::ranges::equal(v, CAMERA_ATTR_CAMERA_STATUS_SAVE, comp_case_ignore)) {
return CAMERA_ATTR_CAMERA_STATUS_SAVE;
} else if (std::ranges::equal(v, CAMERA_ATTR_CAMERA_STATUS_IDLE, comp_case_ignore)) {
return CAMERA_ATTR_CAMERA_STATUS_IDLE;
} else {
return CAMERA_ATTR_STR_INVALID;
if (!s.empty() || !s_head.empty()) {
s = s_head + s;
if (_acqProcesses.size() == 1) {
s.resize(s.size() - 2); // delete trailing ", "
}
} else {
s = std::string{CAMERA_ATTR_CAMERA_STATUS_IDLE.begin(), CAMERA_ATTR_CAMERA_STATUS_IDLE.end()};
}
return CAMERA_ATTR_STR_INVALID;
});
logTrace("Return current camera status as {}", s);
return s;
});

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@ -209,6 +209,7 @@ private:
void start(const std::shared_ptr<acq_params_t>& params); // asynchronous method!
void stop(bool save = true);
std::string status();
private:
inline static std::atomic_bool isAcqInProgress = false;
@ -221,6 +222,11 @@ private:
std::future<void> _snapAndCopyFuture;
// std::future<void> _saveFitsFileFuture;
std::string _statusString{CAMERA_ATTR_CAMERA_STATUS_IDLE.begin(), CAMERA_ATTR_CAMERA_STATUS_IDLE.end()};
enum int8_t { STATUS_IDLE, STATUS_ACQ, STATUS_READ, STATUS_SAVE };
std::atomic_int8_t _status = STATUS_IDLE;
std::mutex _statusMutex;
};
std::string _epixFmtVideoFilename;
@ -246,11 +252,10 @@ private:
// attributes inner variables
std::atomic_size_t _frameNumbers;
std::string _currentFitsFile; // current acquisition FITS filename
std::string _currentTemplateFile; // CFITSIO template filename
std::vector<std::string> _currentFitsKeywords{}; // current acquisition FITS keywords
std::vector<std::string> _permanentFitsKeywords{}; // permanent user FITS keywords
std::atomic<std::string_view> _cameraStatus = CAMERA_ATTR_CAMERA_STATUS_IDLE; // camera current status
std::string _currentFitsFile; // current acquisition FITS filename
std::string _currentTemplateFile; // CFITSIO template filename
std::vector<std::string> _currentFitsKeywords{}; // current acquisition FITS keywords
std::vector<std::string> _permanentFitsKeywords{}; // permanent user FITS keywords
// std::list<std::unique_ptr<ushort>> _acqRingBuffer;
std::list<std::pair<std::unique_ptr<ushort>, size_t>> _acqRingBuffer;

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@ -15,7 +15,8 @@ enum class RaptorEagleCCDError : int {
ERROR_CANNOT_RESET_MICRO,
ERROR_CANNOT_RESET_FPGA,
ERROR_EXT_TRIGGER_MODE,
ERROR_ACQUISITION_IN_PROGRESS
ERROR_ACQUISITION_IN_PROGRESS,
ERROR_INSUFFICIENT_FILESYSTEM_PERMISSIONS
};
@ -62,6 +63,8 @@ struct RaptorEagleCCDErrorCategory : std::error_category {
return "try to use software trigger while external trigger mode is enabled";
case RaptorEagleCCDError::ERROR_ACQUISITION_IN_PROGRESS:
return "acquisition is in progress";
case RaptorEagleCCDError::ERROR_INSUFFICIENT_FILESYSTEM_PERMISSIONS:
return "insufficient filesystem permissions";
default:
return "UNKNOWN ERROR";
}