FreeRDP/server/shadow/shadow_mcevent.h

66 lines
2.0 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
*
* Copyright 2015 Jiang Zihao <zihao.jiang@yahoo.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FREERDP_SERVER_SHADOW_MCEVENT_H
#define FREERDP_SERVER_SHADOW_MCEVENT_H
#include <freerdp/server/shadow.h>
#include <winpr/crt.h>
#include <winpr/synch.h>
#include <winpr/collections.h>
/*
* This file implemented a model that an event is consumed
* by multiple clients. All clients should wait others before continue
* Server should wait for all clients before continue
*/
struct rdp_shadow_multiclient_event
{
HANDLE event; /* Kickoff event */
HANDLE barrierEvent; /* Represents that all clients have consumed event */
HANDLE doneEvent; /* Event handling finished. Server could continue */
wArrayList* subscribers;
CRITICAL_SECTION lock;
int consuming;
int waiting;
/* For debug */
int eventid;
};
#ifdef __cplusplus
extern "C" {
#endif
rdpShadowMultiClientEvent* shadow_multiclient_new();
void shadow_multiclient_free(rdpShadowMultiClientEvent* event);
void shadow_multiclient_publish(rdpShadowMultiClientEvent* event);
void shadow_multiclient_wait(rdpShadowMultiClientEvent* event);
void shadow_multiclient_publish_and_wait(rdpShadowMultiClientEvent* event);
void* shadow_multiclient_get_subscriber(rdpShadowMultiClientEvent* event);
void shadow_multiclient_release_subscriber(void* subscriber);
BOOL shadow_multiclient_consume(void* subscriber);
HANDLE shadow_multiclient_getevent(void* subscriber);
#ifdef __cplusplus
}
#endif
#endif /* FREERDP_SERVER_SHADOW_MCEVENT_H */