pcsc-lite  1.8.20
eventhandler.h
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1 /*
2  * MUSCLE SmartCard Development ( http://pcsclite.alioth.debian.org/pcsclite.html )
3  *
4  * Copyright (C) 1999-2002
5  * David Corcoran <corcoran@musclecard.com>
6  * Copyright (C) 2002-2010
7  * Ludovic Rousseau <ludovic.rousseau@free.fr>
8  *
9 Redistribution and use in source and binary forms, with or without
10 modification, are permitted provided that the following conditions
11 are met:
12 
13 1. Redistributions of source code must retain the above copyright
14  notice, this list of conditions and the following disclaimer.
15 2. Redistributions in binary form must reproduce the above copyright
16  notice, this list of conditions and the following disclaimer in the
17  documentation and/or other materials provided with the distribution.
18 3. The name of the author may not be used to endorse or promote products
19  derived from this software without specific prior written permission.
20 
21 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
39 #ifndef __eventhandler_h__
40 #define __eventhandler_h__
41 
42 #include <stdint.h>
43 
48  typedef struct pubReaderStatesList
49  {
50  char readerName[MAX_READERNAME];
51  uint32_t eventCounter;
52  uint32_t readerState;
53  int32_t readerSharing;
56  uint32_t cardAtrLength;
57  uint32_t cardProtocol;
58  }
60 
61  LONG EHTryToUnregisterClientForEvent(int32_t filedes);
62  LONG EHRegisterClientForEvent(int32_t filedes);
63  LONG EHUnregisterClientForEvent(int32_t filedes);
64  void EHSignalEventToClients(void);
65  LONG EHInitializeEventStructures(void);
66  LONG EHDeinitializeEventStructures(void);
67  LONG EHSpawnEventHandler(READER_CONTEXT *);
68  void EHDestroyEventHandler(READER_CONTEXT *);
69 
71 #define PCSCLITE_SHARING_LAST_CONTEXT 1
72 
73 #define PCSCLITE_SHARING_NO_CONTEXT 0
74 
75 #define PCSCLITE_SHARING_EXCLUSIVE_CONTEXT -1
76 
80 #define READER_NOT_INITIALIZED (MAX_ATR_SIZE+1)
81 
82 #endif /* __eventhandler_h__ */
uint32_t cardAtrLength
ATR length.
Definition: eventhandler.h:56
char readerName[MAX_READERNAME]
reader name
Definition: eventhandler.h:50
int32_t readerSharing
PCSCLITE_SHARING_* sharing status.
Definition: eventhandler.h:53
LONG EHTryToUnregisterClientForEvent(int32_t filedes)
Try to unregisted a client If no client is found then do not log an error.
Definition: eventhandler.c:81
LONG EHUnregisterClientForEvent(int32_t filedes)
Unregister a client and log an error if the client is not found.
Definition: eventhandler.c:101
uint32_t eventCounter
number of card events
Definition: eventhandler.h:51
void EHSignalEventToClients(void)
Sends an asynchronous event to any waiting client.
Definition: eventhandler.c:114
struct pubReaderStatesList READER_STATE
Define an exported public reader state structure so each application gets instant notification of cha...
UCHAR cardAtr[MAX_ATR_SIZE]
ATR.
Definition: eventhandler.h:55
uint32_t cardProtocol
SCARD_PROTOCOL_* value.
Definition: eventhandler.h:57
Define an exported public reader state structure so each application gets instant notification of cha...
Definition: eventhandler.h:48
#define MAX_ATR_SIZE
Maximum ATR size.
Definition: pcsclite.h:59
uint32_t readerState
SCARD_* bit field.
Definition: eventhandler.h:52