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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/java/rocksjni/loggerjnicallback.cc | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/rocksdb/java/rocksjni/loggerjnicallback.cc | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/loggerjnicallback.cc b/src/rocksdb/java/rocksjni/loggerjnicallback.cc new file mode 100644 index 000000000..aa9f95cd4 --- /dev/null +++ b/src/rocksdb/java/rocksjni/loggerjnicallback.cc @@ -0,0 +1,299 @@ +// Copyright (c) 2011-present, Facebook, Inc. All rights reserved. +// This source code is licensed under both the GPLv2 (found in the +// COPYING file in the root directory) and Apache 2.0 License +// (found in the LICENSE.Apache file in the root directory). +// +// This file implements the callback "bridge" between Java and C++ for +// ROCKSDB_NAMESPACE::Logger. + +#include "rocksjni/loggerjnicallback.h" + +#include <cstdarg> +#include <cstdio> + +#include "include/org_rocksdb_Logger.h" +#include "rocksjni/cplusplus_to_java_convert.h" +#include "rocksjni/portal.h" + +namespace ROCKSDB_NAMESPACE { + +LoggerJniCallback::LoggerJniCallback(JNIEnv* env, jobject jlogger) + : JniCallback(env, jlogger) { + m_jLogMethodId = LoggerJni::getLogMethodId(env); + if (m_jLogMethodId == nullptr) { + // exception thrown: NoSuchMethodException or OutOfMemoryError + return; + } + + jobject jdebug_level = InfoLogLevelJni::DEBUG_LEVEL(env); + if (jdebug_level == nullptr) { + // exception thrown: NoSuchFieldError, ExceptionInInitializerError + // or OutOfMemoryError + return; + } + m_jdebug_level = env->NewGlobalRef(jdebug_level); + if (m_jdebug_level == nullptr) { + // exception thrown: OutOfMemoryError + return; + } + + jobject jinfo_level = InfoLogLevelJni::INFO_LEVEL(env); + if (jinfo_level == nullptr) { + // exception thrown: NoSuchFieldError, ExceptionInInitializerError + // or OutOfMemoryError + return; + } + m_jinfo_level = env->NewGlobalRef(jinfo_level); + if (m_jinfo_level == nullptr) { + // exception thrown: OutOfMemoryError + return; + } + + jobject jwarn_level = InfoLogLevelJni::WARN_LEVEL(env); + if (jwarn_level == nullptr) { + // exception thrown: NoSuchFieldError, ExceptionInInitializerError + // or OutOfMemoryError + return; + } + m_jwarn_level = env->NewGlobalRef(jwarn_level); + if (m_jwarn_level == nullptr) { + // exception thrown: OutOfMemoryError + return; + } + + jobject jerror_level = InfoLogLevelJni::ERROR_LEVEL(env); + if (jerror_level == nullptr) { + // exception thrown: NoSuchFieldError, ExceptionInInitializerError + // or OutOfMemoryError + return; + } + m_jerror_level = env->NewGlobalRef(jerror_level); + if (m_jerror_level == nullptr) { + // exception thrown: OutOfMemoryError + return; + } + + jobject jfatal_level = InfoLogLevelJni::FATAL_LEVEL(env); + if (jfatal_level == nullptr) { + // exception thrown: NoSuchFieldError, ExceptionInInitializerError + // or OutOfMemoryError + return; + } + m_jfatal_level = env->NewGlobalRef(jfatal_level); + if (m_jfatal_level == nullptr) { + // exception thrown: OutOfMemoryError + return; + } + + jobject jheader_level = InfoLogLevelJni::HEADER_LEVEL(env); + if (jheader_level == nullptr) { + // exception thrown: NoSuchFieldError, ExceptionInInitializerError + // or OutOfMemoryError + return; + } + m_jheader_level = env->NewGlobalRef(jheader_level); + if (m_jheader_level == nullptr) { + // exception thrown: OutOfMemoryError + return; + } +} + +void LoggerJniCallback::Logv(const char* /*format*/, va_list /*ap*/) { + // We implement this method because it is virtual but we don't + // use it because we need to know about the log level. +} + +void LoggerJniCallback::Logv(const InfoLogLevel log_level, const char* format, + va_list ap) { + if (GetInfoLogLevel() <= log_level) { + // determine InfoLogLevel java enum instance + jobject jlog_level; + switch (log_level) { + case ROCKSDB_NAMESPACE::InfoLogLevel::DEBUG_LEVEL: + jlog_level = m_jdebug_level; + break; + case ROCKSDB_NAMESPACE::InfoLogLevel::INFO_LEVEL: + jlog_level = m_jinfo_level; + break; + case ROCKSDB_NAMESPACE::InfoLogLevel::WARN_LEVEL: + jlog_level = m_jwarn_level; + break; + case ROCKSDB_NAMESPACE::InfoLogLevel::ERROR_LEVEL: + jlog_level = m_jerror_level; + break; + case ROCKSDB_NAMESPACE::InfoLogLevel::FATAL_LEVEL: + jlog_level = m_jfatal_level; + break; + case ROCKSDB_NAMESPACE::InfoLogLevel::HEADER_LEVEL: + jlog_level = m_jheader_level; + break; + default: + jlog_level = m_jfatal_level; + break; + } + + assert(format != nullptr); + const std::unique_ptr<char[]> msg = format_str(format, ap); + + // pass msg to java callback handler + jboolean attached_thread = JNI_FALSE; + JNIEnv* env = getJniEnv(&attached_thread); + assert(env != nullptr); + + jstring jmsg = env->NewStringUTF(msg.get()); + if (jmsg == nullptr) { + // unable to construct string + if (env->ExceptionCheck()) { + env->ExceptionDescribe(); // print out exception to stderr + } + releaseJniEnv(attached_thread); + return; + } + if (env->ExceptionCheck()) { + // exception thrown: OutOfMemoryError + env->ExceptionDescribe(); // print out exception to stderr + env->DeleteLocalRef(jmsg); + releaseJniEnv(attached_thread); + return; + } + + env->CallVoidMethod(m_jcallback_obj, m_jLogMethodId, jlog_level, jmsg); + if (env->ExceptionCheck()) { + // exception thrown + env->ExceptionDescribe(); // print out exception to stderr + env->DeleteLocalRef(jmsg); + releaseJniEnv(attached_thread); + return; + } + + env->DeleteLocalRef(jmsg); + releaseJniEnv(attached_thread); + } +} + +std::unique_ptr<char[]> LoggerJniCallback::format_str(const char* format, + va_list ap) const { + va_list ap_copy; + + va_copy(ap_copy, ap); + const size_t required = + vsnprintf(nullptr, 0, format, ap_copy) + 1; // Extra space for '\0' + va_end(ap_copy); + + std::unique_ptr<char[]> buf(new char[required]); + + va_copy(ap_copy, ap); + vsnprintf(buf.get(), required, format, ap_copy); + va_end(ap_copy); + + return buf; +} +LoggerJniCallback::~LoggerJniCallback() { + jboolean attached_thread = JNI_FALSE; + JNIEnv* env = getJniEnv(&attached_thread); + assert(env != nullptr); + + if (m_jdebug_level != nullptr) { + env->DeleteGlobalRef(m_jdebug_level); + } + + if (m_jinfo_level != nullptr) { + env->DeleteGlobalRef(m_jinfo_level); + } + + if (m_jwarn_level != nullptr) { + env->DeleteGlobalRef(m_jwarn_level); + } + + if (m_jerror_level != nullptr) { + env->DeleteGlobalRef(m_jerror_level); + } + + if (m_jfatal_level != nullptr) { + env->DeleteGlobalRef(m_jfatal_level); + } + + if (m_jheader_level != nullptr) { + env->DeleteGlobalRef(m_jheader_level); + } + + releaseJniEnv(attached_thread); +} + +} // namespace ROCKSDB_NAMESPACE + +/* + * Class: org_rocksdb_Logger + * Method: createNewLoggerOptions + * Signature: (J)J + */ +jlong Java_org_rocksdb_Logger_createNewLoggerOptions(JNIEnv* env, jobject jobj, + jlong joptions) { + auto* sptr_logger = new std::shared_ptr<ROCKSDB_NAMESPACE::LoggerJniCallback>( + new ROCKSDB_NAMESPACE::LoggerJniCallback(env, jobj)); + + // set log level + auto* options = reinterpret_cast<ROCKSDB_NAMESPACE::Options*>(joptions); + sptr_logger->get()->SetInfoLogLevel(options->info_log_level); + + return GET_CPLUSPLUS_POINTER(sptr_logger); +} + +/* + * Class: org_rocksdb_Logger + * Method: createNewLoggerDbOptions + * Signature: (J)J + */ +jlong Java_org_rocksdb_Logger_createNewLoggerDbOptions(JNIEnv* env, + jobject jobj, + jlong jdb_options) { + auto* sptr_logger = new std::shared_ptr<ROCKSDB_NAMESPACE::LoggerJniCallback>( + new ROCKSDB_NAMESPACE::LoggerJniCallback(env, jobj)); + + // set log level + auto* db_options = + reinterpret_cast<ROCKSDB_NAMESPACE::DBOptions*>(jdb_options); + sptr_logger->get()->SetInfoLogLevel(db_options->info_log_level); + + return GET_CPLUSPLUS_POINTER(sptr_logger); +} + +/* + * Class: org_rocksdb_Logger + * Method: setInfoLogLevel + * Signature: (JB)V + */ +void Java_org_rocksdb_Logger_setInfoLogLevel(JNIEnv* /*env*/, jobject /*jobj*/, + jlong jhandle, jbyte jlog_level) { + auto* handle = + reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::LoggerJniCallback>*>( + jhandle); + handle->get()->SetInfoLogLevel( + static_cast<ROCKSDB_NAMESPACE::InfoLogLevel>(jlog_level)); +} + +/* + * Class: org_rocksdb_Logger + * Method: infoLogLevel + * Signature: (J)B + */ +jbyte Java_org_rocksdb_Logger_infoLogLevel(JNIEnv* /*env*/, jobject /*jobj*/, + jlong jhandle) { + auto* handle = + reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::LoggerJniCallback>*>( + jhandle); + return static_cast<jbyte>(handle->get()->GetInfoLogLevel()); +} + +/* + * Class: org_rocksdb_Logger + * Method: disposeInternal + * Signature: (J)V + */ +void Java_org_rocksdb_Logger_disposeInternal(JNIEnv* /*env*/, jobject /*jobj*/, + jlong jhandle) { + auto* handle = + reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::LoggerJniCallback>*>( + jhandle); + delete handle; // delete std::shared_ptr +} |