/// <summary>
/// Get information of a given session
/// </summary>
/// <param name="Session">Session Handle</param>
/// <param name="SessionInfo">The session info</param>
/// <exception cref="System.ArgumentNullException">Thrown when passed a null to one of the method arguments</exception>
/// <exception cref="JhiException">
/// Thrown when the operation failed. The specific error resides within the class JhiRet member
///
/// <list type="table">
/// <listheader>
/// <term>Possible error codes</term>
/// <description>Description</description>
/// </listheader>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INTERNAL_ERROR"/></term><description>Returned if the calling functions return an internal error</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_SERVICE_UNAVAILABLE"/></term><description>Returned when there is no connection to the JHI service</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INVALID_SESSION_HANDLE"/></term><description>The session handle is not valid</description></item>
/// </list>
/// </exception>
public void GetSessionInfo(JhiSession Session, out JHI_SESSION_INFO SessionInfo)
{
uint ret;
JhiWrapper.JHI_I_SESSION_INFO info = new JhiWrapper.JHI_I_SESSION_INFO();
if (_handle == null)
{
throw new JhiException("JHI is not initalized");
}
if (Session == null)
{
throw new ArgumentNullException("Session");
}
ret = JhiWrapper.JHI_GetSessionInfo(_handle, Session.SessionHandle, ref info);
if (ret != 0)
{
throw new JhiException("JHI_GetSessionInfo() failed", ret);
}
SessionInfo = new JHI_SESSION_INFO();
SessionInfo.state = info.state;
SessionInfo.flags = (JHI_SESSION_FLAGS)info.flags;
}
/// <summary>
/// Remove registration of events from a given session
/// </summary>
/// <param name="Session">Session Handle</param>
/// <exception cref="System.ArgumentNullException">Thrown when passed a null to one of the method arguments</exception>
/// <exception cref="JhiException">
/// Thrown when the operation failed. The specific error resides within the class JhiRet member
///
/// <list type="table">
/// <listheader>
/// <term>Possible error codes</term>
/// <description>Description</description>
/// </listheader>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INTERNAL_ERROR"/></term><description>Returned if the calling functions return an internal error</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_SERVICE_UNAVAILABLE"/></term><description>Returned when there is no connection to the JHI service</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_SESSION_NOT_REGISTERED"/></term><description>The session wasn’t registered for events</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INVALID_SESSION_HANDLE"/></term><description>The session handle is not valid</description></item>
/// </list>
/// </exception>
public void UnRegisterEvents(JhiSession Session)
{
uint ret;
if (_handle == null)
{
throw new JhiException("JHI is not initalized");
}
if (Session == null)
{
throw new ArgumentNullException("Session");
}
ret = JhiWrapper.JHI_UnRegisterEvents(_handle, Session.SessionHandle);
if (ret == 0)
{
lock (_eventsLock)
{
_eventList.Remove(Session);
}
}
else
{
throw new JhiException("JHI_UnRegisterEvents() failed", ret);
}
}
/// <summary>
/// Registers registration of one callback function to receive events from a given session
/// </summary>
/// <param name="Session">Session Handle</param>
/// <param name="CallbackFunction">The Callback function</param>
/// <exception cref="System.ArgumentNullException">Thrown when passed a null to one of the method arguments</exception>
/// <exception cref="JhiException">
/// Thrown when the operation failed. The specific error resides within the class JhiRet member
///
/// <list type="table">
/// <listheader>
/// <term>Possible error codes</term>
/// <description>Description</description>
/// </listheader>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INTERNAL_ERROR"/></term><description>Returned if the calling functions return an internal error</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_SERVICE_UNAVAILABLE"/></term><description>Returned when there is no connection to the JHI service</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_SESSION_ALREADY_REGSITERED"/></term><description>The session is already registered for events</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INVALID_SESSION_HANDLE"/></term><description>The session handle is not valid</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_EVENTS_NOT_SUPPORTED "/></term><description>Events are not supported for this type of session</description></item>
/// </list>
/// </exception>
public void RegisterEvents(JhiSession Session, Intel.Dal.JHI_CallbackFunction CallbackFunction)
{
uint ret;
if (_handle == null)
{
throw new JhiException("JHI is not initalized");
}
if (Session == null)
{
throw new ArgumentNullException("Session");
}
if (CallbackFunction == null)
{
throw new ArgumentNullException("CallbackFunction");
}
//ret = JhiWrapper.JHI_RegisterEvents(_handle, SessionHandle, CallbackFunction);
ret = JhiWrapper.JHI_RegisterEvents(_handle, Session.SessionHandle, /*CallbackFunc*/ JhiMainCallback);
if (ret == 0)
{
Session.callback = CallbackFunction;
lock (_eventsLock)
{
_eventList.Add(Session);
}
}
else
{
throw new JhiException("JHI_RegisterEvents() failed", ret);
}
}
/// <summary>
/// Create a session of an installed applet.
/// a session handle is retuned by SessionHandle.
/// </summary>
/// <param name="AppId">Applet ID</param>
/// <param name="Session">Session Handle</param>
/// <param name="initBuffer">Initialization data passed to the applet onInit function</param>
/// <param name="flags">session flags used for creation</param>
/// <exception cref="System.ArgumentNullException">Thrown when passed a null to one of the method arguments</exception>
/// <exception cref="JhiException">
/// Thrown when the operation failed. The specific error resides within the class JhiRet member
///
/// <list type="table">
/// <listheader>
/// <term>Possible error codes</term>
/// <description>Description</description>
/// </listheader>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INVALID_APPLET_GUID"/></term><description>The applet id is invalid</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INTERNAL_ERROR"/></term><description>Returned if the calling functions return an internal error</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_SERVICE_UNAVAILABLE"/></term><description>Returned when there is no connection to the JHI service</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_APPLET_FATAL"/></term><description>Returned when the applet session has crashed</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INVALID_BUFFER_SIZE"/></term><description>Used a initBuffer that is larger than <see cref="Jhi.JHI_BUFFER_MAX"/></description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_APPLET_NOT_INSTALLED"/></term><description>The applet is not installed</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_MAX_SESSIONS_REACHED"/></term><description>Reached the limit of sessions in FW</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_SHARED_SESSION_NOT_SUPPORTED"/></term><description>the applet does not support shared sessions</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_MAX_SHARED_SESSION_REACHED"/></term><description>Reached the limit of handles to the shared session</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_ONLY_SINGLE_INSTANCE_ALLOWED"/></term><description>Returned if more than single instance was opened</description></item>
/// </list>
/// </exception>
public void CreateSession(string AppId, JHI_SESSION_FLAGS flags, byte[] initBuffer, out JhiSession Session)
{
uint ret;
bool memAlocated = false;
if (_handle == null)
{
throw new JhiException("JHI is not initalized");
}
if (AppId == null)
{
throw new ArgumentNullException("AppId");
}
Session = new JhiSession();
JhiWrapper.DATA_BUFFER init_buffer = new JhiWrapper.DATA_BUFFER();
if (initBuffer == null)
{
init_buffer.length = 0;
}
else
{
init_buffer.length = (uint)initBuffer.Length;
init_buffer.buffer = Marshal.AllocHGlobal(initBuffer.Length);
memAlocated = true;
if (initBuffer.Length > 0)
{
Marshal.Copy(initBuffer, 0, init_buffer.buffer, initBuffer.Length);
}
}
ret = JhiWrapper.JHI_CreateSession(_handle, RemoveSeperators(AppId), Convert.ToUInt32(flags), ref init_buffer, ref Session.SessionHandle);
if (memAlocated)
{
Marshal.FreeHGlobal(init_buffer.buffer);
}
if (ret != 0)
{
throw new JhiException("JHI_CreateSession() failed", ret);
}
}
public void ForceCloseSession(JhiSession Session)
{
uint ret;
if (_handle == null)
{
throw new JhiException("JHI is not initalized");
}
if (Session == null)
{
throw new ArgumentNullException("Session");
}
ret = JhiWrapper.JHI_ForceCloseSession(_handle, ref Session.SessionHandle);
if (ret != 0)
{
throw new JhiException("JHI_ForceCloseSession() failed", ret);
}
}
/// <summary>
/// send and receive data from the application to an applet session
/// </summary>
/// <param name="Session">Session Handle</param>
/// <param name="nCommandId">Command ID to send the data to</param>
/// <param name="InBuf">Input Data</param>
/// <param name="OutBuf">Output Data</param>
/// <param name="ResponseCode">an error code that is returned from the applet</param>
/// <exception cref="System.ArgumentNullException">Thrown when passed a null to the Session argument</exception>
/// <exception cref="JhiInsufficientBufferException">Thrown when OutBuf is too short to contain the response. The required size reside within the class Required_size member</exception>
/// <exception cref="JhiException">
/// Thrown when the operation failed. The specific error resides within the class JhiRet member
///
/// <list type="table">
/// <listheader>
/// <term>Possible error codes</term>
/// <description>Description</description>
/// </listheader>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INTERNAL_ERROR"/></term><description>Returned if the calling functions return an internal error</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_SERVICE_UNAVAILABLE"/></term><description>Returned when there is no connection to the JHI service</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INVALID_SESSION_HANDLE"/></term><description>The session handle is not valid</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_APPLET_FATAL"/></term><description>Returned when the applet session has crashed</description></item>
/// <item><term><see cref="JHI_ERROR_CODE.JHI_INVALID_BUFFER_SIZE"/></term><description>Used a buffer that is larger than <see cref="Jhi.JHI_BUFFER_MAX"/></description></item>
/// </list>
/// </exception>
public void SendAndRecv2(JhiSession Session, Int32 nCommandId, byte[] InBuf, ref byte[] OutBuf, out Int32 ResponseCode)
{
uint ret;
bool useEmptyOutBuffer = false;
if (_handle == null)
{
throw new JhiException("JHI is not initalized");
}
if (Session == null)
{
throw new ArgumentNullException("Session");
}
if (InBuf == null)
{
InBuf = new byte[0];
}
if (OutBuf == null) // allow null buffer for output
{
OutBuf = new byte[0]; // temporary convert the out buffer to a byte[0] array.
useEmptyOutBuffer = true;
}
ResponseCode = 0;
IntPtr tmpInBuf = Marshal.AllocHGlobal(InBuf.Length);
if (InBuf.Length > 0)
{
Marshal.Copy(InBuf, 0, tmpInBuf, InBuf.Length);
}
IntPtr tmpOutBuf = Marshal.AllocHGlobal(OutBuf.Length);
JhiWrapper.JVM_COMM_BUFFER comm;
comm.TxBuf.buffer = tmpInBuf;
comm.TxBuf.length = (uint)InBuf.Length;
comm.RxBuf.buffer = tmpOutBuf;
comm.RxBuf.length = (uint)OutBuf.Length;
ret = JhiWrapper.JHI_SendAndRecv2(_handle, Session.SessionHandle, nCommandId, ref comm, ref ResponseCode);
if (useEmptyOutBuffer)
{
OutBuf = null;
}
if (ret != 0)
{
Marshal.FreeHGlobal(tmpInBuf);
Marshal.FreeHGlobal(tmpOutBuf);
if (ret == 0x200) // insufficient buffer
{
throw new JhiInsufficientBufferException("JHI_SendAndRecv failed: insufficient output buffer. required size:" + comm.RxBuf.length, ret, comm.RxBuf.length);
}
else
{
throw new JhiException("JHI_SendAndRecv() failed", ret);
}
}
if (comm.RxBuf.length >= 0)
{
OutBuf = new byte[comm.RxBuf.length];
if (comm.RxBuf.length > 0)
{
Marshal.Copy(comm.RxBuf.buffer, OutBuf, 0, (int)comm.RxBuf.length);
}
}
Marshal.FreeHGlobal(tmpInBuf);
Marshal.FreeHGlobal(tmpOutBuf);
}
