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/**
* Created by pedrocon on 06/10/2016.
*/
/*
* Copyright 2016 OpenMarket Ltd
*
* 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 "olm_jni.h"
#include "olm_utility.h"
/**
* Init a buffer with a given number of random values.
* @param aBuffer2Ptr the buffer to be initialized
* @param aRandomSize the number of random values to apply
* @return true if operation succeed, false otherwise
**/
bool setRandomInBuffer(uint8_t **aBuffer2Ptr, size_t aRandomSize)
{
bool retCode = false;
if(NULL == aBuffer2Ptr)
{
LOGD("## setRandomInBuffer(): failure - aBuffer=NULL");
}
else if(0 == aRandomSize)
{
LOGD("## setRandomInBuffer(): failure - random size=0");
}
else if(NULL == (*aBuffer2Ptr = (uint8_t*)malloc(aRandomSize*sizeof(uint8_t))))
{
LOGD("## setRandomInBuffer(): failure - alloc mem OOM");
}
else
{
LOGD("## setRandomInBuffer(): randomSize=%ld",aRandomSize);
srand(time(NULL)); // init seed
for(size_t i=0;i<aRandomSize;i++)
{
(*aBuffer2Ptr)[i] = (uint8_t)(rand()%ACCOUNT_CREATION_RANDOM_MODULO);
// debug purpose
//LOGD("## setRandomInBuffer(): randomBuffPtr[%ld]=%d",i, (*aBuffer2Ptr)[i]);
}
retCode = true;
}
return retCode;
}
/**
* Read the account instance ID of the calling object.
* @param aJniEnv pointer pointing on the JNI function table
* @param aJavaObject reference to the object on which the method is invoked
* @return the instance ID if operation succeed, -1 if instance ID was not found.
**/
jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject)
{
jlong instanceId=-1;
jfieldID instanceIdField;
jclass loaderClass;
if(NULL!=aJniEnv)
{
if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject)))
{
if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmAccountId", "J")))
{
instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField);
aJniEnv->DeleteLocalRef(loaderClass);
LOGD("## getAccountInstanceId(): read from java instanceId=%lld",instanceId);
}
else
{
LOGD("## getAccountInstanceId() ERROR! GetFieldID=null");
}
}
else
{
LOGD("## getAccountInstanceId() ERROR! GetObjectClass=null");
}
}
else
{
LOGD("## getAccountInstanceId() ERROR! aJniEnv=NULL");
}
LOGD("## getAccountInstanceId() success - instanceId=%lld",instanceId);
return instanceId;
}
/**
* Read the account instance ID of the calling object (aJavaObject).<br>
* @param aJniEnv pointer pointing on the JNI function table
* @param aJavaObject reference to the object on which the method is invoked
* @return the instance ID if read succeed, -1 otherwise.
**/
jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject)
{
jlong instanceId=-1;
jfieldID instanceIdField;
jclass loaderClass;
if(NULL!=aJniEnv)
{
if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject)))
{
if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmSessionId", "J")))
{
instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField);
aJniEnv->DeleteLocalRef(loaderClass);
}
else
{
LOGD("## getSessionInstanceId() ERROR! GetFieldID=null");
}
}
else
{
LOGD("## getSessionInstanceId() ERROR! GetObjectClass=null");
}
}
else
{
LOGD("## getSessionInstanceId() ERROR! aJniEnv=NULL");
}
LOGD("## getSessionInstanceId() success - instanceId=%lld",instanceId);
return instanceId;
}
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