diff options
Diffstat (limited to 'java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp')
| -rw-r--r-- | java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp new file mode 100644 index 0000000..1d64d75 --- /dev/null +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp @@ -0,0 +1,220 @@ +/** + * 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" + +/** +* 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 session 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; +} + + +/** +* Read the inbound group session 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 getInboundGroupSessionInstanceId(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, "mNativeOlmInboundGroupSessionId", "J"))) + { + instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField); + aJniEnv->DeleteLocalRef(loaderClass); + } + else + { + LOGD("## getInboundGroupSessionInstanceId() ERROR! GetFieldID=null"); + } + } + else + { + LOGD("## getInboundGroupSessionInstanceId() ERROR! GetObjectClass=null"); + } + } + else + { + LOGD("## getInboundGroupSessionInstanceId() ERROR! aJniEnv=NULL"); + } + + return instanceId; +} + + +/** +* Read the outbound group session 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 getOutboundGroupSessionInstanceId(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, "mNativeOlmOutboundGroupSessionId", "J"))) + { + instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField); + aJniEnv->DeleteLocalRef(loaderClass); + } + else + { + LOGD("## getOutboundGroupSessionInstanceId() ERROR! GetFieldID=null"); + } + } + else + { + LOGD("## getOutboundGroupSessionInstanceId() ERROR! GetObjectClass=null"); + } + } + else + { + LOGD("## getOutboundGroupSessionInstanceId() ERROR! aJniEnv=NULL"); + } + + return instanceId; +} |