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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/config/print/fileconfigwriter.h>
#include <vespa/document/config/config-documenttypes.h>
#include <vespa/document/repo/documenttyperepo.h>
#include <vespa/document/fieldvalue/document.h>
#include <vespa/documentapi/documentapi.h>
#include <vespa/messagebus/destinationsession.h>
#include <vespa/messagebus/rpcmessagebus.h>
#include <vespa/messagebus/network/rpcnetworkparams.h>
#include <vespa/vespalib/io/fileutil.h>
#include <vespa/vespalib/util/signalhandler.h>
#include <vespa/vespalib/process/process.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/vespalib/objects/nbostream.h>
#include <vespa/config/common/exceptions.h>
#include <vespa/config/helper/configgetter.hpp>
#include <vespa/vespalib/util/signalhandler.h>
typedef vespalib::SignalHandler SIG;
//-----------------------------------------------------------------------------
class OutputFile
{
private:
FILE *file;
public:
OutputFile(const std::string &name)
: file(fopen(name.c_str(), "w")) {}
bool valid() const { return (file != 0); }
void write(const char *data, size_t length) {
size_t res = fwrite(data, 1, length, file);
assert(res == length);
(void) res;
}
~OutputFile() { fclose(file); }
};
//-----------------------------------------------------------------------------
class FeedHandler : public mbus::IMessageHandler
{
private:
mbus::RPCMessageBus _mbus;
mbus::DestinationSession::UP _session;
OutputFile &_idx;
OutputFile &_dat;
size_t _numDocs;
void handleDocumentPut(const document::Document::SP & doc);
virtual void handleMessage(mbus::Message::UP message) override;
public:
FeedHandler(std::shared_ptr<const document::DocumentTypeRepo> repo, OutputFile &idx, OutputFile &dat);
std::string getRoute() { return _session->getConnectionSpec(); }
virtual ~FeedHandler();
};
void
FeedHandler::handleDocumentPut(const document::Document::SP & doc)
{
if (doc) {
vespalib::nbostream datStream(12345);
vespalib::nbostream idxStream(12);
doc->serialize(datStream);
idxStream << uint64_t(datStream.size());
_dat.write(datStream.peek(), datStream.size());
_idx.write(idxStream.peek(), idxStream.size());
++_numDocs;
}
}
void
FeedHandler::handleMessage(mbus::Message::UP message)
{
mbus::Reply::UP reply;
documentapi::DocumentMessage::UP msg((documentapi::DocumentMessage*)message.release());
switch (msg->getType()) {
case documentapi::DocumentProtocol::MESSAGE_PUTDOCUMENT:
handleDocumentPut(((documentapi::PutDocumentMessage&)(*msg)).getDocumentSP());
break;
default:
break;
}
reply = msg->createReply(); // use default reply for all messages
msg->swapState(*reply);
_session->reply(std::move(reply)); // handle all messages synchronously
}
FeedHandler::FeedHandler(std::shared_ptr<const document::DocumentTypeRepo> repo, OutputFile &idx, OutputFile &dat)
: _mbus(mbus::MessageBusParams().addProtocol(std::make_shared<documentapi::DocumentProtocol>(repo)),
mbus::RPCNetworkParams()),
_session(_mbus.getMessageBus()
.createDestinationSession(mbus::DestinationSessionParams()
.setBroadcastName(false)
.setMessageHandler(*this)
.setName("dump-feed"))),
_idx(idx),
_dat(dat),
_numDocs()
{
}
FeedHandler::~FeedHandler()
{
_session.reset();
fprintf(stderr, "%zu document puts dumped to disk\n", _numDocs);
}
//-----------------------------------------------------------------------------
class App
{
public:
int main(int argc, char **argv);
};
template <typename CFG>
bool writeConfig(std::unique_ptr<CFG> cfg, const std::string &dirName) {
if (cfg.get() == 0) {
return false;
}
std::string fileName = dirName + "/" + CFG::CONFIG_DEF_NAME + ".cfg";
try {
config::FileConfigWriter w(fileName);
return w.write(*cfg);
} catch (config::ConfigWriteException & e) {
fprintf(stderr, "Unable to write config to disk: %s\n", e.what());
}
return false;
}
template <typename CFG>
std::unique_ptr<CFG> getConfig() {
std::unique_ptr<CFG> ret(config::ConfigGetter<CFG>::getConfig("client"));
if (ret.get() == 0) {
fprintf(stderr, "error: could not obtain config (%s)\n", CFG::CONFIG_DEF_NAME.c_str());
}
return ret;
}
std::shared_ptr<const document::DocumentTypeRepo> getRepo() {
typedef document::config::DocumenttypesConfig DCFG;
std::unique_ptr<DCFG> dcfg = getConfig<DCFG>();
std::shared_ptr<const document::DocumentTypeRepo> ret;
if (dcfg.get() != 0) {
ret.reset(new document::DocumentTypeRepo(*dcfg));
}
return ret;
}
void setupSignals() {
SIG::PIPE.ignore();
}
int usage() {
fprintf(stderr, "Usage: vespa-dump-feed <input-feed> <output-directory>\n\n");
fprintf(stderr, " Takes an XML vespa feed as input and dumps its contents as serialized documents.\n");
fprintf(stderr, " In addition to the actual documents, an index file containing document sizes\n");
fprintf(stderr, " and the appropriate config file(s) needed for deserialization are also stored.\n");
fprintf(stderr, " This utility can be run anywhere vespa-feeder can be run with default config id.\n");
return 1;
}
int
App::main(int argc, char **argv)
{
setupSignals();
if (argc != 3) {
return usage();
}
std::string feedFile = argv[1];
std::string dirName = argv[2];
fprintf(stderr, "input feed: %s\n", feedFile.c_str());
fprintf(stderr, "output directory: %s\n", dirName.c_str());
vespalib::mkdir(dirName);
typedef document::config::DocumenttypesConfig DCFG;
if (!writeConfig(getConfig<DCFG>(), dirName)) {
fprintf(stderr, "error: could not save config to disk\n");
return 1;
}
std::shared_ptr<const document::DocumentTypeRepo> repo = getRepo();
if (repo.get() == 0) {
fprintf(stderr, "error: could not create document type repo\n");
return 1;
}
{
OutputFile idxFile(dirName + "/doc.idx");
OutputFile datFile(dirName + "/doc.dat");
if (!idxFile.valid() || !datFile.valid()) {
fprintf(stderr, "error: could not open output document files\n");
return 1;
}
FeedHandler feedHooks(repo, idxFile, datFile);
std::string route = feedHooks.getRoute();
fprintf(stderr, "route to self: %s\n", route.c_str());
std::string feedCmd(vespalib::make_string("vespa-feeder --route \"%s\" %s",
route.c_str(), feedFile.c_str()));
fprintf(stderr, "running feed command: %s\n", feedCmd.c_str());
vespalib::string feederOutput;
bool feedingOk = vespalib::Process::run(feedCmd, feederOutput);
if (!feedingOk) {
fprintf(stderr, "error: feed command failed\n");
fprintf(stderr, "feed command output:\n-----\n%s\n-----\n", feederOutput.c_str());
return 1;
}
}
return 0;
}
//-----------------------------------------------------------------------------
int main(int argc, char **argv) {
App app;
return app.main(argc, argv);
}
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