diff options
Diffstat (limited to 'vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py')
| -rw-r--r-- | vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py | 143 |
1 files changed, 95 insertions, 48 deletions
diff --git a/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py b/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py index 93ffd0fb359..41df4f2ae18 100644 --- a/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py +++ b/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py @@ -17,25 +17,14 @@ import os, util from string import Template jvpp_ifc_template = Template(""" -package $base_package; - +package $plugin_package; /** - * <p>Java representation of vpe.api. + * <p>Java representation of plugin's api file. * <br>It was generated by jvpp_impl_gen.py based on $inputfile - * <br>(python representation of vpe.api generated by vppapigen). + * <br>(python representation of api file generated by vppapigen). */ -public interface JVpp extends java.lang.AutoCloseable { - - /** - * Generic connect with $base_package.callback.JVppCallback callback handler - * providing connecting to VPP - * - * @param callback JVppCallback instance providing callback handling - * - * @throws java.io.IOException if connection cannot be initiated - */ - void connect($base_package.callback.JVppCallback callback) throws java.io.IOException; +public interface JVpp${plugin_name} extends $base_package.JVpp { /** * Generic dispatch method for sending requests to VPP @@ -44,52 +33,110 @@ public interface JVpp extends java.lang.AutoCloseable { */ int send($base_package.$dto_package.JVppRequest request) throws org.openvpp.jvpp.VppInvocationException; - @Override - void close(); - $methods } """) jvpp_impl_template = Template(""" -package $base_package; +package $plugin_package; + +import java.io.IOException; +import java.io.InputStream; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.StandardCopyOption; +import java.nio.file.attribute.PosixFilePermission; +import java.nio.file.attribute.PosixFilePermissions; +import java.util.Set; +import java.util.logging.Logger; +import $base_package.callback.JVppCallback; +import $base_package.VppConnection; +import $base_package.JVppRegistry; /** * <p>Default implementation of JVpp interface. * <br>It was generated by jvpp_impl_gen.py based on $inputfile - * <br>(python representation of vpe.api generated by vppapigen). + * <br>(python representation of api file generated by vppapigen). */ -public final class JVppImpl implements $base_package.JVpp { +public final class JVpp${plugin_name}Impl implements $plugin_package.JVpp${plugin_name} { + + private final static Logger LOG = Logger.getLogger(JVpp${plugin_name}Impl.class.getName()); + private static final String LIBNAME = "libjvpp_${plugin_name_underscore}.so.0.0.0"; + + // FIXME using NativeLibraryLoader makes load fail could not find (WantInterfaceEventsReply). + static { + try { + loadLibrary(); + } catch (Exception e) { + LOG.severe("Can't find jvpp jni library: " + LIBNAME); + throw new ExceptionInInitializerError(e); + } + } - private final $base_package.VppConnection connection; + private static void loadStream(final InputStream is) throws IOException { + final Set<PosixFilePermission> perms = PosixFilePermissions.fromString("rwxr-x---"); + final Path p = Files.createTempFile(LIBNAME, null, PosixFilePermissions.asFileAttribute(perms)); + try { + Files.copy(is, p, StandardCopyOption.REPLACE_EXISTING); + + try { + Runtime.getRuntime().load(p.toString()); + } catch (UnsatisfiedLinkError e) { + throw new IOException("Failed to load library " + p, e); + } + } finally { + try { + Files.deleteIfExists(p); + } catch (IOException e) { + } + } + } - public JVppImpl(final $base_package.VppConnection connection) { - this.connection = java.util.Objects.requireNonNull(connection,"Connection is null"); + private static void loadLibrary() throws IOException { + try (final InputStream is = JVpp${plugin_name}Impl.class.getResourceAsStream('/' + LIBNAME)) { + if (is == null) { + throw new IOException("Failed to open library resource " + LIBNAME); + } + loadStream(is); + } } + private VppConnection connection; + private JVppRegistry registry; + + private static native void init0(final JVppCallback callback, final long queueAddress, final int clientIndex); @Override - public void connect($base_package.callback.JVppCallback callback) throws java.io.IOException { - connection.connect(callback); + public void init(final JVppRegistry registry, final JVppCallback callback, final long queueAddress, final int clientIndex) { + this.registry = java.util.Objects.requireNonNull(registry, "registry should not be null"); + this.connection = java.util.Objects.requireNonNull(registry.getConnection(), "connection should not be null"); + connection.checkActive(); + init0(callback, queueAddress, clientIndex); } + private static native void close0(); @Override public void close() { - connection.close(); + close0(); } @Override - public int send($base_package.$dto_package.JVppRequest request) throws org.openvpp.jvpp.VppInvocationException { + public int send($base_package.$dto_package.JVppRequest request) throws org.openvpp.jvpp.VppInvocationException { return request.send(this); } + @Override + public final int controlPing(final org.openvpp.jvpp.dto.ControlPing controlPing) throws org.openvpp.jvpp.VppInvocationException { + return registry.controlPing(JVpp${plugin_name}Impl.class); + } + $methods } """) -method_template = Template(""" int $name($base_package.$dto_package.$request request) throws org.openvpp.jvpp.VppInvocationException;""") +method_template = Template(""" int $name($plugin_package.$dto_package.$request request) throws org.openvpp.jvpp.VppInvocationException;""") method_native_template = Template( - """ private static native int ${name}0($base_package.$dto_package.$request request);""") -method_impl_template = Template(""" public final int $name($base_package.$dto_package.$request request) throws org.openvpp.jvpp.VppInvocationException { + """ private static native int ${name}0($plugin_package.$dto_package.$request request);""") +method_impl_template = Template(""" public final int $name($plugin_package.$dto_package.$request request) throws org.openvpp.jvpp.VppInvocationException { java.util.Objects.requireNonNull(request,"Null request object"); connection.checkActive(); int result=${name}0(request); @@ -113,9 +160,10 @@ no_arg_method_impl_template = Template(""" public final int $name() throws or """) -def generate_jvpp(func_list, base_package, dto_package, inputfile): +def generate_jvpp(func_list, base_package, plugin_package, plugin_name_underscore, control_ping_class, dto_package, inputfile): """ Generates JVpp interface and JNI implementation """ print "Generating JVpp" + plugin_name = util.underscore_to_camelcase_upper(plugin_name_underscore) methods = [] methods_impl = [] @@ -131,43 +179,42 @@ def generate_jvpp(func_list, base_package, dto_package, inputfile): continue if len(func['args']) == 0: - methods.append(no_arg_method_template.substitute(name=camel_case_name, - base_package=base_package, - dto_package=dto_package)) - methods_impl.append( - no_arg_method_native_template.substitute(name=camel_case_name, - base_package=base_package, - dto_package=dto_package)) - methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name, - base_package=base_package, - dto_package=dto_package)) + methods.append(no_arg_method_template.substitute(name=camel_case_name)) + methods_impl.append(no_arg_method_native_template.substitute(name=camel_case_name)) + methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name)) else: methods.append(method_template.substitute(name=camel_case_name, request=camel_case_name_upper, - base_package=base_package, + plugin_package=plugin_package, dto_package=dto_package)) methods_impl.append(method_native_template.substitute(name=camel_case_name, request=camel_case_name_upper, - base_package=base_package, + plugin_package=plugin_package, dto_package=dto_package)) methods_impl.append(method_impl_template.substitute(name=camel_case_name, request=camel_case_name_upper, - base_package=base_package, + plugin_package=plugin_package, dto_package=dto_package)) - jvpp_file = open("JVpp.java", 'w') + jvpp_file = open("JVpp%s.java" % plugin_name, 'w') jvpp_file.write( jvpp_ifc_template.substitute(inputfile=inputfile, methods="\n".join(methods), base_package=base_package, + plugin_package=plugin_package, + plugin_name=plugin_name, dto_package=dto_package)) jvpp_file.flush() jvpp_file.close() - jvpp_file = open("JVppImpl.java", 'w') + jvpp_file = open("JVpp%sImpl.java" % plugin_name, 'w') jvpp_file.write(jvpp_impl_template.substitute(inputfile=inputfile, methods="\n".join(methods_impl), base_package=base_package, - dto_package=dto_package)) + plugin_package=plugin_package, + plugin_name=plugin_name, + plugin_name_underscore=plugin_name_underscore, + dto_package=dto_package, + control_ping_class=control_ping_class)) jvpp_file.flush() jvpp_file.close() |