public void GetActiveProjects()
{
unsafe
{
ushort numberOfProjects = 0;
ushort numberOfModels = 0;
ushort maxProjectPathLength = 0;
ushort maxModelPathLength = 0;
ushort maxMachineNameLength = 0;
ushort maxIpLength = 0;
int result = OpalGetActiveProjects(
0,
&numberOfProjects,
0,
&numberOfModels,
0,
&maxProjectPathLength,
0,
&maxModelPathLength,
0,
&maxMachineNameLength,
0,
&maxIpLength,
null,
null,
null,
null,
null,
null,
null,
null
);
if (result != 0 && result != 123)
{
throw new Exception("Error getting active projects");
}
sbyte **projectPaths = null;
ushort *instanceIds = null;
sbyte **machineNames = null;
sbyte **controllerIps = null;
sbyte **modelPaths = null;
ushort *numberOfModelsPerProject = null;
ushort *modelIds = null;
ushort *modelStates = null;
try
{
projectPaths = (sbyte **)Marshal.AllocHGlobal(numberOfProjects * IntPtr.Size).ToPointer();
for (int i = 0; i < numberOfProjects; ++i)
{
projectPaths[i] = null;
}
for (int i = 0; i < numberOfProjects; ++i)
{
projectPaths[i] = (sbyte *)Marshal.AllocHGlobal(maxProjectPathLength);
}
instanceIds = (ushort *)Marshal.AllocHGlobal(numberOfProjects * 2).ToPointer();
machineNames = (sbyte **)Marshal.AllocHGlobal(numberOfProjects * IntPtr.Size).ToPointer();
for (int i = 0; i < numberOfProjects; ++i)
{
machineNames[i] = null;
}
for (int i = 0; i < numberOfProjects; ++i)
{
machineNames[i] = (sbyte *)Marshal.AllocHGlobal(maxMachineNameLength).ToPointer();
}
controllerIps = (sbyte **)Marshal.AllocHGlobal(numberOfProjects * IntPtr.Size).ToPointer();
for (int i = 0; i < numberOfProjects; ++i)
{
controllerIps[i] = null;
}
for (int i = 0; i < numberOfProjects; ++i)
{
controllerIps[i] = (sbyte *)Marshal.AlloHGlobal(maxIpLength).ToPointer();
}
modelPaths = (sbyte **)Marshal.AlloHGlobal(numberOfModels * IntPtr.Size).ToPointer();
for (int i = 0; i < numberOfProjects; ++i)
{
modelPaths = null;
}
for (int i = 0; i < numberOfProjects; ++i)
{
modelPaths = (sbyte *)Marshal.AllocHGlobal(maxModelPathLength).ToPointer();
}
numberOfModelsPerProject = (ushort *)Marshal.AlloHGlobal(numberOfProjects * 2).ToPointer();
modelIds = (ushort *)Marshal.AllocHGlobal(numberOfModels * 2).ToPointer();
modelStates = (ushort *)Marshal.AllocHGlobal(numberOfModels * 2).ToPointer();
ushort numberOfProjects2 = 0;
ushort numberOfModels2 = 0;
ushort maxProjectPathLength2 = 0;
ushort maxModelPathLength2 = 0;
ushort maxMachineNameLength2 = 0;
ushort maxIpLength2 = 0;
OpalGetActiveProjects(
numberOfProjects,
&numberOfProjects2,
numberOfModels,
&numberOfModels2,
maxProjectPathLength,
&maxProjectPathLength2,
maxModelPathLength,
&maxModelPathLength2,
maxMachineNameLength,
&maxMachineNameLength2,
maxIpLength,
&maxIpLength2,
projectPaths,
instanceIds,
machineNames,
controllerIps,
modelPaths,
numberOfModelsPerProject,
modelIds,
modelStates
);
ProjectPaths = new string[numberOfProjects2];
for (int i = 0; i < numberOfProjects2; ++i)
{
ProjectPaths[i] = new string(projectPaths[i]);
}
InstanceIds = new ushort[numberOfProjects2];
for (int i = 0; i < numberOfProjects2; ++i)
{
InstanceIds[i] = instanceIds[i];
}
MachineNames = new string[numberOfProjects2];
for (int i = 0; i < numberOfProjects2; ++i)
{
MachineNames[i] = new string(machineNames[i]);
}
ControllerIps = new string[numberOfProjects2];
for (int i = 0; i < numberOfProjects2; ++i)
{
ControllerIps[i] = new string(controllerIps[i]);
}
ModelPaths = new string[numberOfModels2];
for (int i = 0; i < numberOfModels2; ++i)
{
ModelPaths[i] = new string(modelPaths[i]);
}
NumberOfModelsPerProject = new ushort[numberOfProjects2];
for (int i = 0; i < numberOfProjects2; ++i)
{
NumberOfModelsPerProject[i] = numberOfModelsPerProject[i];
}
ModelIds = new ushort[numberOfModels2];
for (int i = 0; i < numberOfModels2; ++i)
{
ModelIds[i] = modelIds[i];
}
ModelStates = new ushort[numberOfModels2];
for (int i = 0; i < numberOfModels2; ++i)
{
ModelStates[i] = modelStates[i];
}
}
finally
{
if (projectPaths != null)
{
for (int i = 0; i < numberOfProjects && projectPaths[i] != null; ++i)
{
Marshal.FreeHGlobal(IntPtr((void *)projectPaths[i]));
}
Marshal.FreeHGlobal(IntPtr((void *)projectPaths));
}
if (instanceIds != null)
{
Marshal.FreeHGlobal(IntPtr((void *)instanceIds));
}
if (machineNames != null)
{
for (int i = 0; i < numberOfProjects && machineNames[i] != null; ++i)
{
Marshal.FreeHGlobal(IntPtr((void *)machineNames[i]));
}
Marshal.FreeHGlobal(IntPtr((void *)machineIds));
}
if (controllerIps != null)
{
for (int i = 0; i < numberOfProjects && controllerIps[i] != null; ++i)
{
Marshal.FreeHGlobal(IntPtr((void *)controllerIps[i]));
}
Marshal.FreeHGlobal(IntPtr((void *)controllerIps));
}
if (modelPaths != null)
{
for (int i = 0; i < numberOfModels && modelPaths[i] != null; ++i)
{
Marshal.FreeHGlobal(IntPtr((void *)modelPaths[i]));
}
Marshal.FreeHGlobal(IntPtr((void *)modelPaths));
}
if (numberOfModelsPerProject != null)
{
Marshal.FreeHGlobal(IntPtr((void *)numberOfModelsPerProject));
}
if (modelIds != null)
{
Marshal.FreeHGlobal(IntPtr((void *)modelIds));
}
if (modelStates != null)
{
Marshal.FreeHGlobal(IntPtr((void *)modelStates));
}
}
}
}