Add JNI wrapper around the library and the server.

src/android/kiwixlibrary.cpp

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2013 Emmanuel Engelhart <kelson@kiwix.org>
+ * Copyright (C) 2017 Matthieu Gautier <mgautier@kymeria.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU  General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+
+#include <jni.h>
+#include <android/log.h>
+#include "org_kiwix_kiwixlib_JNIKiwixLibrary.h"
+
+#include "library.h"
+#include "reader.h"
+#include "utils.h"
+
+/* Kiwix Reader JNI functions */
+JNIEXPORT jlong JNICALL Java_org_kiwix_kiwixlib_JNIKiwixLibrary_getNativeLibrary(
+    JNIEnv* env, jobject obj)
+{
+  __android_log_print(ANDROID_LOG_INFO, "kiwix", "Attempting to create library");
+  Lock l;
+  try {
+    kiwix::Library* library = new kiwix::Library();
+    return reinterpret_cast<jlong>(new Handle<kiwix::Library>(library));
+  } catch (std::exception& e) {
+    __android_log_print(ANDROID_LOG_WARN, "kiwix", "Error creating ZIM library");
+    __android_log_print(ANDROID_LOG_WARN, "kiwix", e.what());
+    return 0;
+  }
+}
+
+JNIEXPORT void JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixLibrary_dispose(JNIEnv* env, jobject obj)
+{
+  Handle<kiwix::Library>::dispose(env, obj);
+}
+
+#define LIBRARY (Handle<kiwix::Library>::getHandle(env, obj))
+
+/* Kiwix library functions */
+JNIEXPORT jboolean JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixLibrary_addBook(JNIEnv* env, jobject obj, jstring path)
+{
+  std::string cPath = jni2c(path, env);
+  bool ret;
+
+  try {
+    kiwix::Reader reader(cPath);
+    kiwix::Book book;
+    book.update(reader);
+    ret = LIBRARY->addBook(book);
+  } catch (std::exception& e) {
+    __android_log_print(ANDROID_LOG_ERROR, "kiwix", "Unable to get ZIM main page");
+    __android_log_print(ANDROID_LOG_ERROR, "kiwix", e.what());
+    ret = false;
+  }
+  return ret;
+}

src/android/kiwixserver.cpp

@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2013 Emmanuel Engelhart <kelson@kiwix.org>
+ * Copyright (C) 2017 Matthieu Gautier <mgautier@kymeria.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU  General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+
+#include <jni.h>
+#include <zim/file.h>
+#include <android/log.h>
+#include "org_kiwix_kiwixlib_JNIKiwixServer.h"
+
+#include "tools/base64.h"
+#include "server.h"
+#include "utils.h"
+
+/* Kiwix Reader JNI functions */
+JNIEXPORT jlong JNICALL Java_org_kiwix_kiwixlib_JNIKiwixServer_getNativeServer(
+    JNIEnv* env, jobject obj, jobject jLibrary)
+{
+  __android_log_print(ANDROID_LOG_INFO, "kiwix", "Attempting to create server");
+  Lock l;
+  try {
+    auto library = Handle<kiwix::Library>::getHandle(env, jLibrary);
+    kiwix::Server* server = new kiwix::Server(*library);
+    return reinterpret_cast<jlong>(new Handle<kiwix::Server>(server));
+  } catch (std::exception& e) {
+    __android_log_print(ANDROID_LOG_WARN, "kiwix", "Error creating the server");
+    __android_log_print(ANDROID_LOG_WARN, "kiwix", e.what());
+    return 0;
+  }
+}
+
+JNIEXPORT void JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixServer_dispose(JNIEnv* env, jobject obj)
+{
+  Handle<kiwix::Server>::dispose(env, obj);
+}
+
+#define SERVER (Handle<kiwix::Server>::getHandle(env, obj))
+
+/* Kiwix library functions */
+JNIEXPORT void JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixServer_setRoot(JNIEnv* env, jobject obj, jstring jRoot)
+{
+  std::string root = jni2c(jRoot, env);
+  SERVER->setRoot(root);
+}
+
+JNIEXPORT void JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixServer_setAddress(JNIEnv* env, jobject obj, jstring jAddress)
+{
+  std::string address = jni2c(jAddress, env);
+  SERVER->setAddress(address);
+}
+
+JNIEXPORT void JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixServer_setPort(JNIEnv* env, jobject obj, int port)
+{
+  SERVER->setPort(port);
+}
+
+JNIEXPORT void JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixServer_setNbThreads(JNIEnv* env, jobject obj, int threads)
+{
+  SERVER->setNbThreads(threads);
+}
+
+JNIEXPORT void JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixServer_setTaskbar(JNIEnv* env, jobject obj, jboolean withTaskbar, jboolean withLibraryButton)
+{
+  SERVER->setTaskbar(withTaskbar, withLibraryButton);
+}
+
+JNIEXPORT jboolean JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixServer_start(JNIEnv* env, jobject obj)
+{
+  return SERVER->start();
+}
+
+JNIEXPORT void JNICALL
+Java_org_kiwix_kiwixlib_JNIKiwixServer_stop(JNIEnv* env, jobject obj)
+{
+  SERVER->stop();
+}

src/android/meson.build

@@ -2,7 +2,9 @@
 kiwix_jni = custom_target('jni',
   input: ['org/kiwix/kiwixlib/JNIICU.java',
           'org/kiwix/kiwixlib/JNIKiwixReader.java',
+          'org/kiwix/kiwixlib/JNIKiwixLibrary.java',
           'org/kiwix/kiwixlib/JNIKiwixSearcher.java',
+          'org/kiwix/kiwixlib/JNIKiwixServer.java',
           'org/kiwix/kiwixlib/JNIKiwixInt.java',
           'org/kiwix/kiwixlib/JNIKiwixString.java',
           'org/kiwix/kiwixlib/JNIKiwixBool.java',
@@ -10,6 +12,8 @@ kiwix_jni = custom_target('jni',
           'org/kiwix/kiwixlib/Pair.java'],
   output: ['org_kiwix_kiwixlib_JNIKiwix.h',
            'org_kiwix_kiwixlib_JNIKiwixReader.h',
+           'org_kiwix_kiwixlib_JNIKiwixLibrary.h',
+           'org_kiwix_kiwixlib_JNIKiwixServer.h',
            'org_kiwix_kiwixlib_JNIKiwixSearcher.h',
            'org_kiwix_kiwixlib_JNIKiwixSearcher_Result.h'],
   command:['javac', '-d', '@OUTDIR@', '-h', '@OUTDIR@', '@INPUT@']
@@ -18,7 +22,9 @@ kiwix_jni = custom_target('jni',
 kiwix_sources += [
     'android/kiwixicu.cpp',
     'android/kiwixreader.cpp',
+    'android/kiwixlibrary.cpp',
     'android/kiwixsearcher.cpp',
+    'android/kiwixserver.cpp',
     kiwix_jni]
 
 install_subdir('org', install_dir: 'kiwix-lib/java')

src/android/org/kiwix/kiwixlib/JNIKiwixLibrary.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2013 Emmanuel Engelhart <kelson@kiwix.org>
+ * Copyright (C) 2017 Matthieu Gautier <mgautier@kymeria.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU  General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+package org.kiwix.kiwixlib;
+
+import org.kiwix.kiwixlib.JNIKiwixException;
+
+public class JNIKiwixLibrary
+{
+  public native boolean addBook(String path) throws JNIKiwixException;
+
+  public JNIKiwixLibrary(String filename)
+  {
+    nativeHandle = getNativeLibrary();
+  }
+
+  public native void dispose();
+
+  private native long getNativeLibrary();
+  private long nativeHandle;
+}

src/android/org/kiwix/kiwixlib/JNIKiwixServer.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2019 Matthieu Gautier <mgautier@kymeria.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU  General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+package org.kiwix.kiwixlib;
+
+import org.kiwix.kiwixlib.JNIKiwixException;
+import org.kiwix.kiwixlib.JNIKiwixLibrary;
+
+public class JNIKiwixServer
+{
+  public native void setRoot(String root);
+
+  public native void setAddress(String address);
+
+  public native void setPort(int port);
+
+  public native void setNbThreads(int nbTreads);
+
+  public native void setTaskbar(boolean withTaskBar, boolean witLibraryButton);
+
+  public native boolean start();
+
+  public native void stop();
+
+  public JNIKiwixServer(JNIKiwixLibrary library)
+  {
+    nativeHandle = getNativeServer(library);
+  }
+
+  private native long getNativeServer(JNIKiwixLibrary library);
+  private long nativeHandle;
+}