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/*
* Copyright (c) 2017-2019 Cisco and/or its affiliates.
* 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.
*/
#include <src/config.h>
#include <stdio.h>
#include <parc/assert/parc_Assert.h>
#include <src/core/streamBuffer.h>
void streamBuffer_Destroy(PARCEventQueue **bufferPtr) {
parcAssertNotNull(bufferPtr, "Parameter must be non-null double pointer");
parcAssertNotNull(*bufferPtr,
"Parameter must dereference to non-null pointer");
parcEventQueue_Destroy(bufferPtr);
*bufferPtr = NULL;
}
void streamBuffer_SetWatermark(PARCEventQueue *buffer, bool setRead,
bool setWrite, size_t low, size_t high) {
parcAssertNotNull(buffer, "Parameter buffer must be non-null");
short flags = 0;
if (setRead) {
flags |= PARCEventType_Read;
}
if (setWrite) {
flags |= PARCEventType_Write;
}
parcEventQueue_SetWatermark(buffer, flags, low, high);
}
int streamBuffer_Flush(PARCEventQueue *buffer, bool flushRead,
bool flushWrite) {
parcAssertNotNull(buffer, "Parameter buffer must be non-null");
short flags = 0;
if (flushRead) {
flags |= PARCEventType_Read;
}
if (flushWrite) {
flags |= PARCEventType_Write;
}
return parcEventQueue_Flush(buffer, flags);
}
int streamBuffer_FlushCheckpoint(PARCEventQueue *buffer, bool flushRead,
bool flushWrite) {
parcAssertNotNull(buffer, "Parameter buffer must be non-null");
short flags = 0;
if (flushRead) {
flags |= PARCEventType_Read;
}
if (flushWrite) {
flags |= PARCEventType_Write;
}
return parcEventQueue_Flush(buffer, flags);
}
int streamBuffer_FlushFinished(PARCEventQueue *buffer, bool flushRead,
bool flushWrite) {
parcAssertNotNull(buffer, "Parameter buffer must be non-null");
short flags = 0;
if (flushRead) {
flags |= PARCEventType_Read;
}
if (flushWrite) {
flags |= PARCEventType_Write;
}
return parcEventQueue_Flush(buffer, flags);
}
void streamBuffer_SetCallbacks(PARCEventQueue *buffer,
PARCEventQueue_Callback *readCallback,
PARCEventQueue_Callback *writeCallback,
PARCEventQueue_EventCallback *eventCallback,
void *user_data) {
parcAssertNotNull(buffer, "Parameter buffer must be non-null");
parcEventQueue_SetCallbacks(buffer, readCallback, writeCallback,
eventCallback, user_data);
}
void streamBuffer_EnableCallbacks(PARCEventQueue *buffer, bool enableRead,
bool enableWrite) {
parcAssertNotNull(buffer, "Parameter buffer must be non-null");
short flags = 0;
if (enableRead) {
flags |= PARCEventType_Read;
}
if (enableWrite) {
flags |= PARCEventType_Write;
}
parcEventQueue_Enable(buffer, flags);
}
/**
* @function StreamBuffer_DisableCallbacks
* @abstract Disables specified callbacks. Does not affect others.
* @discussion
* Disables enabled callbacks. If a callback is already disabled, has no
* effect. A "false" value does not enable it.
*
* @param <#param1#>
* @return <#return#>
*/
void streamBuffer_DisableCallbacks(PARCEventQueue *buffer, bool disableRead,
bool disableWrite) {
parcAssertNotNull(buffer, "Parameter buffer must be non-null");
short flags = 0;
if (disableRead) {
flags |= PARCEventType_Read;
}
if (disableWrite) {
flags |= PARCEventType_Write;
}
parcEventQueue_Disable(buffer, flags);
}
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