Xuyi Wang / wolfcrypt

ssh lib

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wolfcrypt/wolfevent.h@1:e4ea39eba2fb, 2019-11-25 (annotated)

Committer:
sPymbed
Date:
Mon Nov 25 14:23:49 2019 +0000
Revision:
1:e4ea39eba2fb
Parent:
0:1387ff3eed4a 
improved

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sPymbed 0:1387ff3eed4a 1 /* wolfevent.h
sPymbed 0:1387ff3eed4a 2 *
sPymbed 0:1387ff3eed4a 3 * Copyright (C) 2006-2017 wolfSSL Inc.
sPymbed 0:1387ff3eed4a 4 *
sPymbed 0:1387ff3eed4a 5 * This file is part of wolfSSL.
sPymbed 0:1387ff3eed4a 6 *
sPymbed 0:1387ff3eed4a 7 * wolfSSL is free software; you can redistribute it and/or modify
sPymbed 0:1387ff3eed4a 8 * it under the terms of the GNU General Public License as published by
sPymbed 0:1387ff3eed4a 9 * the Free Software Foundation; either version 2 of the License, or
sPymbed 0:1387ff3eed4a 10 * (at your option) any later version.
sPymbed 0:1387ff3eed4a 11 *
sPymbed 0:1387ff3eed4a 12 * wolfSSL is distributed in the hope that it will be useful,
sPymbed 0:1387ff3eed4a 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
sPymbed 0:1387ff3eed4a 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
sPymbed 0:1387ff3eed4a 15 * GNU General Public License for more details.
sPymbed 0:1387ff3eed4a 16 *
sPymbed 0:1387ff3eed4a 17 * You should have received a copy of the GNU General Public License
sPymbed 0:1387ff3eed4a 18 * along with this program; if not, write to the Free Software
sPymbed 0:1387ff3eed4a 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
sPymbed 0:1387ff3eed4a 20 */
sPymbed 0:1387ff3eed4a 21
sPymbed 0:1387ff3eed4a 22 #ifndef _WOLF_EVENT_H_
sPymbed 0:1387ff3eed4a 23 #define _WOLF_EVENT_H_
sPymbed 0:1387ff3eed4a 24
sPymbed 0:1387ff3eed4a 25 #ifdef __cplusplus
sPymbed 0:1387ff3eed4a 26 extern "C" {
sPymbed 0:1387ff3eed4a 27 #endif
sPymbed 0:1387ff3eed4a 28
sPymbed 0:1387ff3eed4a 29 #ifndef SINGLE_THREADED
sPymbed 0:1387ff3eed4a 30 #include <wolfcrypt/wc_port.h>
sPymbed 0:1387ff3eed4a 31 #endif
sPymbed 0:1387ff3eed4a 32
sPymbed 0:1387ff3eed4a 33 typedef struct WOLF_EVENT WOLF_EVENT;
sPymbed 0:1387ff3eed4a 34 typedef unsigned short WOLF_EVENT_FLAG;
sPymbed 0:1387ff3eed4a 35
sPymbed 0:1387ff3eed4a 36 typedef enum WOLF_EVENT_TYPE {
sPymbed 0:1387ff3eed4a 37 WOLF_EVENT_TYPE_NONE,
sPymbed 0:1387ff3eed4a 38 #ifdef WOLFSSL_ASYNC_CRYPT
sPymbed 0:1387ff3eed4a 39 WOLF_EVENT_TYPE_ASYNC_WOLFSSL, /* context is WOLFSSL* */
sPymbed 0:1387ff3eed4a 40 WOLF_EVENT_TYPE_ASYNC_WOLFCRYPT, /* context is WC_ASYNC_DEV */
sPymbed 0:1387ff3eed4a 41 WOLF_EVENT_TYPE_ASYNC_FIRST = WOLF_EVENT_TYPE_ASYNC_WOLFSSL,
sPymbed 0:1387ff3eed4a 42 WOLF_EVENT_TYPE_ASYNC_LAST = WOLF_EVENT_TYPE_ASYNC_WOLFCRYPT,
sPymbed 0:1387ff3eed4a 43 #endif /* WOLFSSL_ASYNC_CRYPT */
sPymbed 0:1387ff3eed4a 44 } WOLF_EVENT_TYPE;
sPymbed 0:1387ff3eed4a 45
sPymbed 0:1387ff3eed4a 46 typedef enum WOLF_EVENT_STATE {
sPymbed 0:1387ff3eed4a 47 WOLF_EVENT_STATE_READY,
sPymbed 0:1387ff3eed4a 48 WOLF_EVENT_STATE_PENDING,
sPymbed 0:1387ff3eed4a 49 WOLF_EVENT_STATE_DONE,
sPymbed 0:1387ff3eed4a 50 } WOLF_EVENT_STATE;
sPymbed 0:1387ff3eed4a 51
sPymbed 0:1387ff3eed4a 52 struct WOLF_EVENT {
sPymbed 0:1387ff3eed4a 53 /* double linked list */
sPymbed 0:1387ff3eed4a 54 WOLF_EVENT* next;
sPymbed 0:1387ff3eed4a 55 WOLF_EVENT* prev;
sPymbed 0:1387ff3eed4a 56
sPymbed 0:1387ff3eed4a 57 void* context;
sPymbed 0:1387ff3eed4a 58 union {
sPymbed 0:1387ff3eed4a 59 void* ptr;
sPymbed 0:1387ff3eed4a 60 #ifdef WOLFSSL_ASYNC_CRYPT
sPymbed 0:1387ff3eed4a 61 struct WC_ASYNC_DEV* async;
sPymbed 0:1387ff3eed4a 62 #endif
sPymbed 0:1387ff3eed4a 63 } dev;
sPymbed 0:1387ff3eed4a 64 #ifdef HAVE_CAVIUM
sPymbed 0:1387ff3eed4a 65 word64 reqId;
sPymbed 0:1387ff3eed4a 66 #ifdef WOLFSSL_NITROX_DEBUG
sPymbed 0:1387ff3eed4a 67 word32 pendCount;
sPymbed 0:1387ff3eed4a 68 #endif
sPymbed 0:1387ff3eed4a 69 #endif
sPymbed 0:1387ff3eed4a 70 #ifndef WC_NO_ASYNC_THREADING
sPymbed 0:1387ff3eed4a 71 pthread_t threadId;
sPymbed 0:1387ff3eed4a 72 #endif
sPymbed 0:1387ff3eed4a 73 int ret; /* Async return code */
sPymbed 0:1387ff3eed4a 74 unsigned int flags;
sPymbed 0:1387ff3eed4a 75 WOLF_EVENT_TYPE type;
sPymbed 0:1387ff3eed4a 76 WOLF_EVENT_STATE state;
sPymbed 0:1387ff3eed4a 77 };
sPymbed 0:1387ff3eed4a 78
sPymbed 0:1387ff3eed4a 79 enum WOLF_POLL_FLAGS {
sPymbed 0:1387ff3eed4a 80 WOLF_POLL_FLAG_CHECK_HW = 0x01,
sPymbed 0:1387ff3eed4a 81 };
sPymbed 0:1387ff3eed4a 82
sPymbed 0:1387ff3eed4a 83 typedef struct {
sPymbed 0:1387ff3eed4a 84 WOLF_EVENT* head; /* head of queue */
sPymbed 0:1387ff3eed4a 85 WOLF_EVENT* tail; /* tail of queue */
sPymbed 0:1387ff3eed4a 86 #ifndef SINGLE_THREADED
sPymbed 0:1387ff3eed4a 87 wolfSSL_Mutex lock; /* queue lock */
sPymbed 0:1387ff3eed4a 88 #endif
sPymbed 0:1387ff3eed4a 89 int count;
sPymbed 0:1387ff3eed4a 90 } WOLF_EVENT_QUEUE;
sPymbed 0:1387ff3eed4a 91
sPymbed 0:1387ff3eed4a 92
sPymbed 0:1387ff3eed4a 93 #ifdef HAVE_WOLF_EVENT
sPymbed 0:1387ff3eed4a 94
sPymbed 0:1387ff3eed4a 95 /* Event */
sPymbed 0:1387ff3eed4a 96 WOLFSSL_API int wolfEvent_Init(WOLF_EVENT* event, WOLF_EVENT_TYPE type, void* context);
sPymbed 0:1387ff3eed4a 97 WOLFSSL_API int wolfEvent_Poll(WOLF_EVENT* event, WOLF_EVENT_FLAG flags);
sPymbed 0:1387ff3eed4a 98
sPymbed 0:1387ff3eed4a 99 /* Event Queue */
sPymbed 0:1387ff3eed4a 100 WOLFSSL_API int wolfEventQueue_Init(WOLF_EVENT_QUEUE* queue);
sPymbed 0:1387ff3eed4a 101 WOLFSSL_API int wolfEventQueue_Push(WOLF_EVENT_QUEUE* queue, WOLF_EVENT* event);
sPymbed 0:1387ff3eed4a 102 WOLFSSL_API int wolfEventQueue_Pop(WOLF_EVENT_QUEUE* queue, WOLF_EVENT** event);
sPymbed 0:1387ff3eed4a 103 WOLFSSL_API int wolfEventQueue_Poll(WOLF_EVENT_QUEUE* queue, void* context_filter,
sPymbed 0:1387ff3eed4a 104 WOLF_EVENT** events, int maxEvents, WOLF_EVENT_FLAG flags, int* eventCount);
sPymbed 0:1387ff3eed4a 105 WOLFSSL_API int wolfEventQueue_Count(WOLF_EVENT_QUEUE* queue);
sPymbed 0:1387ff3eed4a 106 WOLFSSL_API void wolfEventQueue_Free(WOLF_EVENT_QUEUE* queue);
sPymbed 0:1387ff3eed4a 107
sPymbed 0:1387ff3eed4a 108 /* the queue mutex must be locked prior to calling these */
sPymbed 0:1387ff3eed4a 109 WOLFSSL_API int wolfEventQueue_Add(WOLF_EVENT_QUEUE* queue, WOLF_EVENT* event);
sPymbed 0:1387ff3eed4a 110 WOLFSSL_API int wolfEventQueue_Remove(WOLF_EVENT_QUEUE* queue, WOLF_EVENT* event);
sPymbed 0:1387ff3eed4a 111
sPymbed 0:1387ff3eed4a 112
sPymbed 0:1387ff3eed4a 113 #endif /* HAVE_WOLF_EVENT */
sPymbed 0:1387ff3eed4a 114
sPymbed 0:1387ff3eed4a 115
sPymbed 0:1387ff3eed4a 116 #ifdef __cplusplus
sPymbed 0:1387ff3eed4a 117 } /* extern "C" */
sPymbed 0:1387ff3eed4a 118 #endif
sPymbed 0:1387ff3eed4a 119
sPymbed 0:1387ff3eed4a 120 #endif /* _WOLF_EVENT_H_ */
sPymbed 0:1387ff3eed4a 121