| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #include <boost/thread/thread.hpp> |
| #include <curl/curl.h> |
| #include <fstream> |
| #include <gflags/gflags.h> |
| #include <glog/logging.h> |
| #include <iostream> |
| #include <stdint.h> |
| |
| #include "kudu/client/client.h" |
| #include "kudu/gutil/macros.h" |
| #include "kudu/gutil/once.h" |
| #include "kudu/rpc/messenger.h" |
| #include "kudu/master/master.h" |
| #include "kudu/tserver/tserver_service.proxy.h" |
| #include "kudu/twitter-demo/oauth.h" |
| #include "kudu/twitter-demo/insert_consumer.h" |
| #include "kudu/twitter-demo/twitter_streamer.h" |
| #include "kudu/util/flags.h" |
| #include "kudu/util/logging.h" |
| #include "kudu/util/net/net_util.h" |
| #include "kudu/util/slice.h" |
| #include "kudu/util/status.h" |
| |
| DEFINE_string(twitter_firehose_sink, "console", |
| "Where to write firehose output.\n" |
| "Valid values: console,rpc"); |
| DEFINE_string(twitter_rpc_master_address, "localhost", |
| "Address of master for the cluster to write to"); |
| |
| DEFINE_string(twitter_firehose_source, "api", |
| "Where to obtain firehose input.\n" |
| "Valid values: api,file"); |
| DEFINE_string(twitter_firehose_file, "/dev/fd/0", |
| "File to read firehose data from, if 'file' is configured."); |
| |
| |
| using std::string; |
| |
| namespace kudu { |
| namespace twitter_demo { |
| |
| using client::sp::shared_ptr; |
| using tserver::TabletServerServiceProxy; |
| |
| // Consumer which simply logs messages to the console. |
| class LoggingConsumer : public TwitterConsumer { |
| public: |
| virtual void ConsumeJSON(const Slice& json) OVERRIDE { |
| std::cout << json.ToString(); |
| } |
| }; |
| |
| gscoped_ptr<TwitterConsumer> CreateInsertConsumer() { |
| shared_ptr<client::KuduClient> client; |
| CHECK_OK(client::KuduClientBuilder() |
| .add_master_server_addr(FLAGS_twitter_rpc_master_address) |
| .Build(&client)); |
| |
| gscoped_ptr<InsertConsumer> ret(new InsertConsumer(client)); |
| CHECK_OK(ret->Init()); |
| return gscoped_ptr<TwitterConsumer>(ret.Pass()); // up-cast |
| } |
| |
| static void IngestFromFile(const string& file, gscoped_ptr<TwitterConsumer> consumer) { |
| std::ifstream in(file.c_str()); |
| CHECK(in.is_open()) << "Couldn't open " << file; |
| |
| string line; |
| while (std::getline(in, line)) { |
| consumer->ConsumeJSON(line); |
| } |
| } |
| |
| static int main(int argc, char** argv) { |
| // Since this is meant to be run by a user, not a daemon, |
| // log to stderr by default. |
| FLAGS_logtostderr = 1; |
| kudu::ParseCommandLineFlags(&argc, &argv, true); |
| kudu::InitGoogleLoggingSafe(argv[0]); |
| |
| gscoped_ptr<TwitterConsumer> consumer; |
| if (FLAGS_twitter_firehose_sink == "console") { |
| consumer.reset(new LoggingConsumer); |
| } else if (FLAGS_twitter_firehose_sink == "rpc") { |
| consumer = CreateInsertConsumer(); |
| } else { |
| LOG(FATAL) << "Unknown sink: " << FLAGS_twitter_firehose_sink; |
| } |
| |
| if (FLAGS_twitter_firehose_source == "api") { |
| TwitterStreamer streamer(consumer.get()); |
| CHECK_OK(streamer.Init()); |
| CHECK_OK(streamer.Start()); |
| CHECK_OK(streamer.Join()); |
| } else if (FLAGS_twitter_firehose_source == "file") { |
| IngestFromFile(FLAGS_twitter_firehose_file, consumer.Pass()); |
| } else { |
| LOG(FATAL) << "Unknown source: " << FLAGS_twitter_firehose_source; |
| } |
| return 0; |
| } |
| |
| } // namespace twitter_demo |
| } // namespace kudu |
| |
| int main(int argc, char** argv) { |
| return kudu::twitter_demo::main(argc, argv); |
| } |