/// <summary>
/// 接收Socket消息，主要为接收设备返回的指令结果，大部分为Plist，所以函数内将会自行作转换
/// </summary>
/// <param name="sock"></param>
/// <returns></returns>
public object ReceiveMessageFromSocket(int sock)
{
if (sock < 0)
{
return(null);
}
int recvCount;
uint buffer = 0;
uint reviceSize = 0;
uint dataSize = 0;
IntPtr zero = IntPtr.Zero;
if (DeviceSecureIOContext != IntPtr.Zero && SocketContext != IntPtr.Zero)
{
if (MobileDevice.AMDServiceConnectionReceive(SocketContext, ref buffer, 4) == 4)
{
dataSize = MobileDevice.ntohl(buffer); //获取数据总长度
if (dataSize <= 0)
{
Console.WriteLine("receive size error, dataSize:" + dataSize);
return(null);
}
zero = Marshal.AllocCoTaskMem((int)dataSize);
if (zero == IntPtr.Zero)
{
Console.WriteLine("Could not allocate message buffer.");
return(null);
}
var tempPtr = zero;
while (reviceSize < dataSize)
{
recvCount = MobileDevice.AMDServiceConnectionReceive_1(SocketContext, tempPtr, (int)(dataSize - reviceSize));
if (recvCount <= -1)
{
Console.WriteLine("Could not receive secure message: " + recvCount);
reviceSize = dataSize + 1;
}
else if (recvCount == 0)
{
Console.WriteLine("receive size is zero. ");
break;
}
tempPtr = new IntPtr(tempPtr.ToInt64() + recvCount);
reviceSize += (uint)recvCount;
}
}
}
else if (MobileDevice.recv_UInt(sock, ref buffer, 4, 0) == 4)
{
dataSize = MobileDevice.ntohl(buffer); //获取数据总长度
if (dataSize <= 0)
{
Console.WriteLine("receive size error, dataSize:" + dataSize);
return(null);
}
zero = Marshal.AllocCoTaskMem((int)dataSize);
if (zero == IntPtr.Zero)
{
Console.WriteLine("Could not allocate message buffer.");
return(null);
}
var tempPtr = zero;
while (reviceSize < dataSize)
{
recvCount = MobileDevice.recv(sock, tempPtr, (int)(dataSize - reviceSize), 0);
if (recvCount <= -1)
{
Console.WriteLine("Could not receive secure message: " + recvCount);
reviceSize = dataSize + 1;
}
else if (recvCount == 0)
{
Console.WriteLine("receive size is zero. ");
break;
}
tempPtr = new IntPtr(tempPtr.ToInt64() + recvCount);
reviceSize += (uint)recvCount;
}
}
var datas = IntPtr.Zero;
var srcRef = IntPtr.Zero;
if (reviceSize == dataSize)
{
datas = CoreFoundation.CFDataCreate(CoreFoundation.kCFAllocatorDefault, zero, (int)dataSize);
if (datas == IntPtr.Zero)
{
Console.WriteLine("Could not create CFData for message");
}
else
{
var errorString = IntPtr.Zero;
srcRef = CoreFoundation.CFPropertyListCreateFromXMLData(CoreFoundation.kCFAllocatorDefault, datas,
CFPropertyListMutabilityOptions.kCFPropertyListImmutable, ref errorString);
if (srcRef == IntPtr.Zero)
{
Console.WriteLine("Could not convert raw xml into a dictionary: " + Convert.ToString(CoreFoundation.ManagedTypeFromCFType(ref errorString)));
return(null);
}
}
}
if (datas != IntPtr.Zero)
{
try
{
CoreFoundation.CFRelease(datas);
}
catch
{
}
}
if (zero != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(zero);
}
var result = CoreFoundation.ManagedTypeFromCFType(ref srcRef);
if (srcRef != IntPtr.Zero)
{
CoreFoundation.CFRelease(srcRef);
}
return(result);
}