/// <summary>
/// Gets the current wireless carriers network name from the SIM.
/// </summary>
/// <returns>The carrier description.</returns>
public static string GetServiceProvider()
{
IntPtr hSim, res;
res = SimInitialize(IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, out hSim);
if (res != IntPtr.Zero)
throw new Exception("Could not initialize SIM");
SimRecord rec = new SimRecord();
rec.cbSize = (IntPtr)Marshal.SizeOf(rec);
res = SimGetRecordInfo(hSim, (IntPtr)SERVICE_PROVIDER, ref rec);
if (res != IntPtr.Zero)
throw new Exception("Could not read the service provider information from the SIM");
byte[] bData = new byte[(int)rec.dwSize + 1];
IntPtr dwBytesRead = IntPtr.Zero;
res = SimReadRecord(hSim, (IntPtr)SERVICE_PROVIDER, rec.dwRecordType, IntPtr.Zero, bData, (IntPtr)bData.Length, ref dwBytesRead);
if (res != IntPtr.Zero)
throw new Exception("Could not read the service provider from the SIM");
byte[] bScrubbed = new byte[(int)dwBytesRead];
int nPos = 0;
// Scrub the non-ascii characters
for (int i = 0; i < (int)dwBytesRead; i++)
{
if (((int)bData[i] > 19) && ((int)bData[i] < 125))
{
bScrubbed[nPos] = bData[i];
nPos++;
}
}
SimDeinitialize(hSim);
return Encoding.ASCII.GetString(bScrubbed, 0, bScrubbed.Length);
}
private static extern IntPtr SimGetRecordInfo(IntPtr hSim, IntPtr dwAddress, ref SimRecord lpSimRecordInfo);
// return: シミュレーションが成功したか
public bool Simulate()
{
// distanceFtoG = -1;
// while(distanceFtoG == -1){
// InitNodes();
// }
// connectedが保証されてないので絶対に使ってはいけません.
// MakeRandomGraph();
InitNodes();
var tryCount = 0;
const int maxTryCount = 1000;
while (!IsAllGoalKnown())
{
tryCount++;
if (maxTryCount < tryCount)
{
return(false);
}
// 選択可能な全ノード
var selectableNodes = _currentNode.GetAllLinkedNodes(MaxSelectHop);
// ユーザーの視界を再現した, 見える範囲のノード
var visibleNodes = new List <SimNode>();
for (int i = 0; i < MaxVisibleCount; i++)
{
var selectHop = SelectHopByExpDist();
// try{
// // みたいノードが0個になったら, 手前のノードで代替する
// while(0 < selectHop && selectableNodes[selectHop].Count == 0){
// selectHop--;
// continue;
// }
// } catch(IndexOutOfRangeException){
// Debug.Log("out of range");
// Debug.Log("SelectHop:" + selectHop);
// Debug.Log("length:" + selectableNodes.Length);
// }
if (selectableNodes[selectHop].Count == 0)
{
continue;
}
if (selectHop == 0)
{
break;
}
var r = rand.Next(0, selectableNodes[selectHop].Count);
visibleNodes.Add(selectableNodes[selectHop][r]);
selectableNodes[selectHop].RemoveAt(r);
var selectableNodesCount = selectableNodes.Sum(ns => ns.Count);
if (selectableNodesCount == 1)
{
break;
}
}
// 目的ノードが視界に入っていたら高確率で選択
var moved = false;
foreach (var goalNode in _goalNodes)
{
if (visibleNodes.Contains(goalNode))
{
var r = rand.NextDouble();
if (r < pSelectVisibleGoal && !goalNode.Known)
{
_currentNode = goalNode;
_currentNode.Known = true;
_opCount++;
moved = true;
}
}
}
if (moved)
{
continue;
}
// 一定確率で始点ノードに戻る
if ((float)rand.NextDouble() < pReturnFirst && _currentNode != _firstNode)
{
_currentNode = _firstNode;
_opCount++;
continue;
}
if (IsAllGoalKnown())
{
continue;
}
var r1 = rand.NextDouble();
// 未知ノードに移動
if (r1 < pSelectUnknown)
{
// var selectHop = SelectHopByProbArray(pSelectHopUnknown);
var selectHop = SelectHopByExpDist();
// var unknownNodes = _currentNode.GetLinkedNodes(selectHop, false).ToList();
var unknownNodes = visibleNodes.Where(n => n.Known == false).ToArray();
if (unknownNodes.Length == 0)
{
continue;
}
var r2 = rand.Next(0, unknownNodes.Length);
_currentNode = unknownNodes[r2];
_currentNode.Known = true;
_opCount++;
}
// 既知ノードに移動
else
{
// var selectHop = SelectHopByProbArray(pSelectHopKnown);
var selectHop = SelectHopByExpDist();
// Debug.Log("Select Hop " + selectHop);
// var knownNodes = _currentNode.GetLinkedNodes(selectHop, true);
var knownNodes = visibleNodes.Where(n => n.Known == true).ToArray();
if (knownNodes.Length == 0)
{
continue;
}
var r2 = rand.Next(0, knownNodes.Length);
_currentNode = knownNodes[r2];
_currentNode.Known = true;
_opCount++;
}
}
// Debug.Log("操作数" + _opCount);
var record = new SimRecord
{
dataSet = dataSet,
nodeCount = allNodeCount,
goalCount = goalCount,
graphDensity = _graphDensity,
lambda = Lambda,
distance = distanceFtoG,
opCount = _opCount,
pSelectUnknown = pSelectUnknown,
pReturnFirst = pReturnFirst,
pSelectVisibleGoal = pSelectVisibleGoal
};
records.Add(record);
return(true);
}
