Update RocksDB's Java bindings to support multiple native RocksDB builds in the same Jar file. Cross build RocksDB for linux32 and linux64 using Vagrant. Build a cross-platform fat jar that contains osx, linux32, and linux64 RocksDB static builds.

main
Chris Riccomini 10 years ago
parent d439451fab
commit 9db13987b1
  1. 14
      Makefile
  2. 8
      java/Makefile
  3. 0
      java/crossbuild/README.md
  4. 25
      java/crossbuild/Vagrantfile
  5. 11
      java/crossbuild/build-linux.sh
  6. 6
      java/org/rocksdb/NativeLibraryLoader.java
  7. 14
      java/org/rocksdb/util/Environment.java

@ -270,6 +270,7 @@ clean:
-rm -rf ios-x86/* ios-arm/*
-find . -name "*.[oda]" -exec rm {} \;
-find . -type f -regex ".*\.\(\(gcda\)\|\(gcno\)\)" -exec rm {} \;
-rm -rf bzip2* snappy* zlib*
tags:
ctags * -R
cscope -b `find . -name '*.cc'` `find . -name '*.h'`
@ -510,11 +511,14 @@ ldb: tools/ldb.o $(LIBOBJECTS)
JNI_NATIVE_SOURCES = ./java/rocksjni/*.cc
JAVA_INCLUDE = -I$(JAVA_HOME)/include/ -I$(JAVA_HOME)/include/linux
ROCKSDBJNILIB = librocksdbjni.so
ROCKSDB_JAR = rocksdbjni.jar
ARCH := $(shell getconf LONG_BIT)
ROCKSDBJNILIB = librocksdbjni-linux$(ARCH).so
ROCKSDB_JAR = rocksdbjni-linux$(ARCH).jar
ROCKSDB_JAR_ALL = rocksdbjni-all.jar
ifeq ($(PLATFORM), OS_MACOSX)
ROCKSDBJNILIB = librocksdbjni.jnilib
ROCKSDBJNILIB = librocksdbjni-osx.jnilib
ROCKSDB_JAR = rocksdbjni-osx.jar
JAVA_INCLUDE = -I/System/Library/Frameworks/JavaVM.framework/Headers/
endif
@ -549,6 +553,10 @@ rocksdbjavastatic: libz.a libbz2.a libsnappy.a
cd java;jar -cf $(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class HISTORY*.md $(ROCKSDBJNILIB)
rocksdbjavastaticrelease: rocksdbjavastatic
cd java/crossbuild && vagrant destroy -f && vagrant up
cd java;jar -cf $(ROCKSDB_JAR_ALL) org/rocksdb/*.class org/rocksdb/util/*.class HISTORY*.md librocksdbjni-*.so librocksdbjni-*.jnilib
rocksdbjava:
OPT="-fPIC -DNDEBUG -O2" $(MAKE) $(LIBRARY) -j32
cd java;$(MAKE) java;

@ -1,12 +1,16 @@
NATIVE_JAVA_CLASSES = org.rocksdb.RocksDB org.rocksdb.Options org.rocksdb.WriteBatch org.rocksdb.WriteBatchInternal org.rocksdb.WriteBatchTest org.rocksdb.WriteOptions org.rocksdb.BackupableDB org.rocksdb.BackupableDBOptions org.rocksdb.Statistics org.rocksdb.RocksIterator org.rocksdb.VectorMemTableConfig org.rocksdb.SkipListMemTableConfig org.rocksdb.HashLinkedListMemTableConfig org.rocksdb.HashSkipListMemTableConfig org.rocksdb.PlainTableConfig org.rocksdb.BlockBasedTableConfig org.rocksdb.ReadOptions org.rocksdb.Filter org.rocksdb.BloomFilter org.rocksdb.RestoreOptions org.rocksdb.RestoreBackupableDB org.rocksdb.RocksEnv org.rocksdb.GenericRateLimiterConfig
NATIVE_INCLUDE = ./include
ROCKSDB_JAR = rocksdbjni.jar
ARCH := $(shell getconf LONG_BIT)
ROCKSDB_JAR = rocksdbjni-linux$(ARCH).jar
ifeq ($(PLATFORM), OS_MACOSX)
ROCKSDB_JAR = rocksdbjni-osx.jar
endif
clean:
-find . -name "*.class" -exec rm {} \;
-find . -name "hs*.log" -exec rm {} \;
rm -f $(ROCKSDB_JAR)
java:
javac org/rocksdb/util/*.java org/rocksdb/*.java

@ -0,0 +1,25 @@
# -*- mode: ruby -*-
# vi: set ft=ruby :
# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
config.vm.define "linux32" do |linux32|
linux32.vm.box = "ubuntu/trusty32"
linux32.vm.provision :shell, path: "build-linux.sh"
linux32.vm.synced_folder "../..", "/rocksdb"
end
config.vm.define "linux64" do |linux64|
linux64.vm.box = "ubuntu/trusty64"
linux64.vm.provision :shell, path: "build-linux.sh"
linux64.vm.synced_folder "../..", "/rocksdb"
end
config.vm.provider "virtualbox" do |v|
v.memory = 2048
v.cpus = 4
end
end

@ -0,0 +1,11 @@
#!/usr/bin/env bash
# install all required packages for rocksdb
sudo apt-get update
sudo apt-get -y install git make gcc g++ libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev default-jdk
# set java home so we can build rocksdb jars
export JAVA_HOME=$(echo /usr/lib/jvm/java-7-openjdk*)
cd /rocksdb
make jclean clean -j 4 rocksdbjavastatic
sudo shutdown -h now

@ -1,16 +1,16 @@
package org.rocksdb;
import java.io.*;
import org.rocksdb.util.Environment;
/**
* This class is used to load the RocksDB shared library from within the jar.
* The shared library is extracted to a temp folder and loaded from there.
*/
public class NativeLibraryLoader {
private static String sharedLibraryName = "librocksdbjni.so";
private static String sharedLibraryName = Environment.getJniLibraryName("rockdsb");
private static String tempFilePrefix = "librocksdbjni";
private static String tempFileSuffix = ".so";
private static String tempFileSuffix = "." + Environment.getJniLibraryExtension();
public static void loadLibraryFromJar(String tmpDir)
throws IOException {

@ -2,6 +2,7 @@ package org.rocksdb.util;
public class Environment {
private static String OS = System.getProperty("os.name").toLowerCase();
private static String ARCH = System.getProperty("os.arch").toLowerCase();
public static boolean isWindows() {
return (OS.indexOf("win") >= 0);
@ -17,6 +18,10 @@ public class Environment {
OS.indexOf("aix") >= 0);
}
public static boolean is64Bit() {
return (ARCH.indexOf("64") > 0);
}
public static String getSharedLibraryName(String name) {
if (isUnix()) {
return String.format("lib%s.so", name);
@ -28,10 +33,15 @@ public class Environment {
public static String getJniLibraryName(String name) {
if (isUnix()) {
return String.format("lib%s.so", name);
String arch = (is64Bit()) ? "64" : "32";
return String.format("lib%s-linux%s.so", name, arch);
} else if (isMac()) {
return String.format("lib%s.jnilib", name);
return String.format("lib%s-osx.jnilib", name);
}
throw new UnsupportedOperationException();
}
public static String getJniLibraryExtension() {
return (isMac()) ? ".jnilib" : ".so";
}
}

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