Examples with MessageWriter net.morimekta.providence.mio.MessageWriter used on opensource projects

Example 1 with MessageWriter

use of net.morimekta.providence.mio.MessageWriter in project providence by morimekta.

the class GeneratorWatcher method dumpGeneratedMessages.

/**
 * Dump all generated messages.
 *
 * @throws IOException If writing the messages failed.
 */
@SuppressWarnings("unchecked")
public void dumpGeneratedMessages() throws IOException {
    MessageWriter writer = this.writer;
    if (writer == null) {
        writer = new IOMessageWriter(System.err, outputSerializer);
    }
    for (PMessage message : generated) {
        writer.write(message);
        writer.separator();
    }
}

Example 2 with MessageWriter

use of net.morimekta.providence.mio.MessageWriter in project providence by morimekta.

the class RPC method run.

@SuppressWarnings("unchecked")
void run(String... args) {
    try {
        ArgumentParser cli = options.getArgumentParser("pvdrpc", "Providence RPC Tool");
        try {
            cli.parse(args);
            if (options.showHelp()) {
                System.out.println("Providence RPC Tool - " + getVersionString());
                System.out.println("Usage: " + cli.getSingleLineUsage());
                System.out.println();
                System.out.println("Example code to run:");
                System.out.println("$ cat call.json | pvdrpc -I thrift/ -s cal.Calculator http://localhost:8080/service");
                System.out.println("$ pvdrpc -i binary,file:my.data -f json_protocol -I thrift/ -s cal.Calculator http://localhost:8080/service");
                System.out.println();
                cli.printUsage(System.out);
                System.out.println();
                System.out.println("Available formats are:");
                for (Format format : Format.values()) {
                    System.out.println(String.format(" - %-20s : %s", format.name(), format.desc));
                }
                return;
            } else if (options.showVersion()) {
                System.out.println("Providence RPC Tool - " + getVersionString());
                return;
            }
            cli.validate();
            MessageReader in = options.getInput();
            MessageWriter out = options.getOutput();
            PService service = options.getDefinition();
            PServiceCallHandler handler = options.getHandler();
            PServiceCall call = in.read(service);
            in.close();
            PServiceCall resp = handler.handleCall(call, service);
            out.write(resp);
            out.separator();
            out.close();
            if (options.out.base64mime && options.out.file == null) {
                System.out.println();
            }
            return;
        } catch (ConnectException e) {
            System.out.flush();
            System.err.format("Unable to connect to %s: %s%n", options.endpoint, e.getMessage());
            if (options.verbose()) {
                System.err.println();
                e.printStackTrace();
            }
        } catch (HttpResponseException e) {
            System.out.flush();
            System.err.println("Received " + e.getStatusCode() + " " + e.getStatusMessage());
            System.err.println(" - from: " + options.endpoint);
            if (options.verbose()) {
                System.err.println();
                e.printStackTrace();
            }
        } catch (ArgumentException e) {
            System.out.flush();
            System.err.println(e.getMessage());
            System.err.println("Usage: " + cli.getSingleLineUsage());
            System.err.println();
            System.err.println("Run $ pvdrpc --help # for available options.");
        } catch (SerializerException e) {
            System.out.flush();
            System.err.println("Serializer error: " + e.asString());
            if (options.verbose()) {
                System.err.println();
                e.printStackTrace();
            }
        } catch (UncheckedIOException | IOException e) {
            System.out.flush();
            System.err.println("I/O error: " + e.getMessage());
            if (options.verbose()) {
                System.out.flush();
                e.printStackTrace();
            }
        } catch (IllegalArgumentException e) {
            System.out.flush();
            System.err.println("Internal Error: " + e.getMessage());
            if (options.verbose()) {
                System.err.println();
                e.printStackTrace();
            }
        }
    } catch (RuntimeException | IOException e) {
        System.out.flush();
        System.err.println("Unchecked exception: " + e.getMessage());
        if (options.verbose()) {
            System.out.flush();
            e.printStackTrace();
        }
    }
    System.err.flush();
    exit(1);
}

Example 3 with MessageWriter

use of net.morimekta.providence.mio.MessageWriter in project providence by morimekta.

the class MessageGenerator method dumpGeneratedMessages.

/**
 * Dump all generated messages.
 *
 * @throws IOException If writing the messages failed.
 */
@SuppressWarnings("unchecked")
private void dumpGeneratedMessages() throws IOException {
    MessageWriter writer = this.writer;
    if (writer == null) {
        writer = new IOMessageWriter(System.err, outputSerializer);
    }
    for (PMessage message : generated) {
        writer.write(message);
        writer.separator();
    }
}

Example 4 with MessageWriter

use of net.morimekta.providence.mio.MessageWriter in project providence by morimekta.

the class ProvidenceServlet method doPost.

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    long startTime = System.nanoTime();
    AtomicReference<PServiceCall> callRef = new AtomicReference<>();
    AtomicReference<PServiceCall> responseRef = new AtomicReference<>();
    PProcessor processor = new WrappedProcessor(processorProvider.processorForRequest(req), (c, r) -> {
        callRef.set(c);
        responseRef.set(r.handleCall(c));
        return responseRef.get();
    });
    try {
        Serializer requestSerializer = serializerProvider.getDefault();
        if (req.getContentType() != null) {
            try {
                MediaType mediaType = MediaType.parse(req.getContentType());
                requestSerializer = serializerProvider.getSerializer(mediaType.withoutParameters().toString());
            } catch (IllegalArgumentException e) {
                resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Unknown content-type: " + req.getContentType());
                LOGGER.warn("Unknown content type in request", e);
                return;
            }
        } else {
            LOGGER.debug("Request is missing content type.");
        }
        Serializer responseSerializer = requestSerializer;
        String acceptHeader = req.getHeader("Accept");
        if (acceptHeader != null) {
            String[] entries = acceptHeader.split("[,]");
            for (String entry : entries) {
                entry = entry.trim();
                if (entry.isEmpty()) {
                    continue;
                }
                if ("*/*".equals(entry)) {
                    // Then responding same as request is good.
                    break;
                }
                try {
                    MediaType mediaType = MediaType.parse(entry);
                    responseSerializer = serializerProvider.getSerializer(mediaType.withoutParameters().toString());
                    break;
                } catch (IllegalArgumentException ignore) {
                // Ignore. Bad header input is pretty common.
                }
            }
        }
        MessageReader reader = new IOMessageReader(req.getInputStream(), requestSerializer);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        MessageWriter writer = new IOMessageWriter(baos, responseSerializer);
        getHandler(processor).process(reader, writer);
        resp.setStatus(HttpServletResponse.SC_OK);
        if (baos.size() > 0) {
            resp.setContentType(responseSerializer.mediaType());
            resp.setContentLength(baos.size());
            resp.getOutputStream().write(baos.toByteArray());
            resp.getOutputStream().flush();
        }
        long endTime = System.nanoTime();
        double duration = ((double) (endTime - startTime)) / NS_IN_MILLIS;
        try {
            instrumentation.onComplete(duration, callRef.get(), responseRef.get());
        } catch (Throwable th) {
            LOGGER.error("Exception in service instrumentation", th);
        }
    } catch (EOFException e) {
        // output stream closed before write is complete.
        // So we cannot even try to respond.
        long endTime = System.nanoTime();
        double duration = ((double) (endTime - startTime)) / NS_IN_MILLIS;
        try {
            instrumentation.onTransportException(e, duration, callRef.get(), responseRef.get());
        } catch (Throwable th) {
            LOGGER.error("Exception in service instrumentation", th);
        }
    } catch (Exception e) {
        try {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Internal server error: " + e.getMessage());
        } catch (IOException ioEx) {
            e.addSuppressed(ioEx);
        }
        long endTime = System.nanoTime();
        double duration = ((double) (endTime - startTime)) / NS_IN_MILLIS;
        try {
            instrumentation.onTransportException(e, duration, callRef.get(), responseRef.get());
        } catch (Throwable th) {
            LOGGER.error("Exception in service instrumentation", th);
        }
    }
}

Example 5 with MessageWriter

use of net.morimekta.providence.mio.MessageWriter in project providence by morimekta.

the class Convert method run.

@SuppressWarnings("unchecked")
void run(String... args) {
    try {
        ArgumentParser cli = options.getArgumentParser("pvd", "Providence Converter");
        try {
            cli.parse(args);
            if (options.showHelp()) {
                System.out.println(cli.getProgramDescription());
                System.out.println("Usage: " + cli.getSingleLineUsage());
                System.out.println();
                System.out.println("Example code to run:");
                System.out.println("$ cat call.json | pvd -I thrift/ -S cal.Calculator");
                System.out.println("$ pvd -i binary,file:my.data -o json_protocol -I thrift/ cal.Operation");
                System.out.println();
                System.out.println("Note that when handling service calls, only 1 call can be converted.");
                System.out.println();
                cli.printUsage(System.out);
                System.out.println();
                System.out.println("Available formats are:");
                for (Format format : Format.values()) {
                    System.out.println(String.format(" - %-20s : %s", format.name(), format.desc));
                }
                return;
            }
            if (options.showVersion()) {
                System.out.println(cli.getProgramDescription());
                return;
            }
            if (options.listTypes) {
                ProgramRegistry registry = options.getProgramRegistry();
                for (ProgramTypeRegistry pr : registry.getLoadedRegistries()) {
                    CProgram program = pr.getProgram();
                    System.out.println(program.getProgramFilePath() + ":");
                    for (PDeclaredDescriptor dd : program.getDeclaredTypes()) {
                        if (dd instanceof CStructDescriptor) {
                            System.out.println("  struct    " + dd.getQualifiedName());
                        } else if (dd instanceof CUnionDescriptor) {
                            System.out.println("  union     " + dd.getQualifiedName());
                        } else if (dd instanceof CExceptionDescriptor) {
                            System.out.println("  exception " + dd.getQualifiedName());
                        }
                    }
                    for (PService s : program.getServices()) {
                        System.out.println("  service   " + s.getQualifiedName());
                    }
                }
                return;
            }
            cli.validate();
            if (options.getDefinition() == null) {
                MessageReader in = options.getServiceInput();
                MessageWriter out = options.getServiceOutput();
                PService service = options.getServiceDefinition();
                PServiceCall call = in.read(service);
                in.close();
                out.write(call);
                out.separator();
                out.close();
                // TODO: Validate we don't have garbage data after call.
                if (options.out.base64mime && options.out.file == null) {
                    System.out.println();
                }
            } else {
                AtomicInteger num = new AtomicInteger(0);
                int size = options.getInput().peek(m -> num.incrementAndGet()).collect(options.getOutput());
                if (num.get() == 0 || size == 0) {
                    throw new IOException("No data");
                }
                if (options.out.base64mime && options.out.file == null) {
                    System.out.println();
                }
            }
            return;
        } catch (ArgumentException e) {
            System.err.println(e.getMessage());
            System.out.println("Usage: " + cli.getSingleLineUsage());
            System.err.println();
            System.err.println("Run $ pvd --help # for available options.");
            if (options.verbose()) {
                System.err.println();
                e.printStackTrace();
            }
        } catch (SerializerException e) {
            System.out.flush();
            System.err.println();
            System.err.println(e.asString());
            if (options.verbose()) {
                System.err.println();
                e.printStackTrace();
            }
        } catch (UncheckedIOException | IOException e) {
            System.out.flush();
            System.err.println();
            System.err.println("I/O error: " + e.getMessage());
            if (options.verbose()) {
                System.err.println();
                e.printStackTrace();
            }
        }
    } catch (Exception e) {
        System.out.flush();
        System.err.println();
        System.err.println("Unchecked exception: " + e.getMessage());
        if (options.verbose()) {
            System.err.println();
            e.printStackTrace();
        }
    }
    exit(1);
}