libicsneo/api/icsneoc/icsneoc.cpp

130 lines
3.7 KiB
C++

#ifndef __cplusplus
#error "icsneoc.cpp must be compiled with a C++ compiler!"
#endif
#define ICSNEOC_MAKEDLL
#include "include/icsneoc.h"
#include "api/icsneocpp/include/icsneocpp.h"
#include "platform/include/dynamiclib.h"
#include <string>
#include <vector>
#include <memory>
#include <algorithm>
#include <cstring>
using namespace icsneo;
// Holds references for the shared_ptrs so they do not get freed until we're ready
static std::vector<std::shared_ptr<Device>> connectableFoundDevices, connectedDevices;
// Any shared_ptrs we've let go should be placed here so they're not accessed
static std::vector<Device*> freedDevices;
void icsneoFindAllDevices(neodevice_t* devices, size_t* count) {
icsneoFreeUnconnectedDevices(); // Mark previous results as freed so they can no longer be connected to
auto foundDevices = icsneo::FindAllDevices();
auto inputSize = *count;
*count = foundDevices.size();
auto outputSize = *count;
if(outputSize > inputSize) {
// TODO an error should be returned that the data was truncated
outputSize = inputSize;
}
for(size_t i = 0; i < outputSize; i++) {
connectableFoundDevices.push_back(foundDevices[i]);
devices[i] = foundDevices[i]->getNeoDevice();
}
}
void icsneoFreeUnconnectedDevices() {
for(auto& devptr : connectableFoundDevices) {
freedDevices.push_back(devptr.get());
}
connectableFoundDevices.clear();
}
bool icsneoSerialNumToString(uint32_t num, char* str, size_t* count) {
auto result = Device::SerialNumToString(num);
if(*count <= result.length()) {
*count = result.length() + 1; // This is how big of a buffer we need
return false;
}
strcpy(str, result.c_str()); // TODO bad
*count = result.length();
return true;
}
uint32_t icsneoSerialStringToNum(const char* str) {
return Device::SerialStringToNum(str);
}
bool icsneoIsValidNeoDevice(const neodevice_t* device) {
// If this neodevice_t was returned by a previous search, it will no longer be valid (as the underlying icsneo::Device is freed)
return std::find(freedDevices.begin(), freedDevices.end(), device->device) == freedDevices.end();
}
bool icsneoOpenDevice(const neodevice_t* device) {
if(!icsneoIsValidNeoDevice(device))
return false;
if(!device->device->open())
return false;
// We connected successfully, move the device to connected devices
std::vector<std::vector<std::shared_ptr<Device>>::iterator> itemsToMove;
for(auto it = connectableFoundDevices.begin(); it < connectableFoundDevices.end(); it++) {
if((*it).get() == device->device)
itemsToMove.push_back(it);
}
for(auto it : itemsToMove) {
connectedDevices.push_back(*it);
connectableFoundDevices.erase(it);
}
return true;
}
bool icsneoCloseDevice(const neodevice_t* device) {
if(!icsneoIsValidNeoDevice(device))
return false;
if(!device->device->close())
return false;
// We disconnected successfully, free the device and mark it as freed
std::vector<std::vector<std::shared_ptr<Device>>::iterator> itemsToDelete;
for(auto it = connectedDevices.begin(); it < connectedDevices.end(); it++) {
if((*it).get() == device->device)
itemsToDelete.push_back(it);
}
for(auto it : itemsToDelete)
connectedDevices.erase(it);
freedDevices.push_back(device->device);
return true;
}
bool icsneoGoOnline(const neodevice_t* device) {
if(!icsneoIsValidNeoDevice(device))
return false;
return device->device->goOnline();
}
bool icsneoGoOffline(const neodevice_t* device) {
if(!icsneoIsValidNeoDevice(device))
return false;
return device->device->goOffline();
}
bool icsneoIsOnline(const neodevice_t* device) {
if(!icsneoIsValidNeoDevice(device))
return false;
return device->device->isOnline();
}