Example #1
0
    // called into by the web server. For now we just translate the parameters
    // to their old style equivalents.
    void Command::execCommand(OperationContext* txn,
                              Command* command,
                              const rpc::RequestInterface& request,
                              rpc::ReplyBuilderInterface* replyBuilder) {

        int queryFlags = 0;
        BSONObj cmdObj;

        std::tie(cmdObj, queryFlags) = uassertStatusOK(
            rpc::downconvertRequestMetadata(request.getCommandArgs(),
                                            request.getMetadata())
        );

        std::string db = request.getDatabase().rawData();
        BSONObjBuilder result;

        execCommandClientBasic(txn,
                               command,
                               *txn->getClient(),
                               queryFlags,
                               request.getDatabase().rawData(),
                               cmdObj,
                               result);

        replyBuilder
            ->setMetadata(rpc::makeEmptyMetadata())
            .setCommandReply(result.done());
    }
Example #2
0
void runCommands(OperationContext* txn,
                 const rpc::RequestInterface& request,
                 rpc::ReplyBuilderInterface* replyBuilder) {
    try {
        dassert(replyBuilder->getState() == rpc::ReplyBuilderInterface::State::kMetadata);

        Command* c = nullptr;
        // In the absence of a Command object, no redaction is possible. Therefore
        // to avoid displaying potentially sensitive information in the logs,
        // we restrict the log message to the name of the unrecognized command.
        // However, the complete command object will still be echoed to the client.
        if (!(c = Command::findCommand(request.getCommandName()))) {
            Command::unknownCommands.increment();
            std::string msg = str::stream() << "no such command: '" << request.getCommandName()
                                            << "'";
            LOG(2) << msg;
            uasserted(ErrorCodes::CommandNotFound,
                      str::stream() << msg << ", bad cmd: '" << request.getCommandArgs() << "'");
        }

        LOG(2) << "run command " << request.getDatabase() << ".$cmd" << ' '
               << c->getRedactedCopyForLogging(request.getCommandArgs());

        Command::execCommand(txn, c, request, replyBuilder);
    }

    catch (const DBException& ex) {
        Command::generateErrorResponse(txn, replyBuilder, ex, request);
    }
}
Example #3
0
void Command::generateErrorResponse(OperationContext* txn,
                                    rpc::ReplyBuilderInterface* replyBuilder,
                                    const DBException& exception,
                                    const rpc::RequestInterface& request) {
    LOG(1) << "assertion while executing command '" << request.getCommandName() << "' "
           << "on database '" << request.getDatabase() << "': " << exception.toString();

    _generateErrorResponse(txn, replyBuilder, exception, rpc::makeEmptyMetadata());
}
Example #4
0
void Command::generateErrorResponse(OperationContext* txn,
                                    rpc::ReplyBuilderInterface* replyBuilder,
                                    const DBException& exception,
                                    const rpc::RequestInterface& request,
                                    Command* command,
                                    const BSONObj& metadata) {
    LOG(1) << "assertion while executing command '" << request.getCommandName() << "' "
           << "on database '" << request.getDatabase() << "' "
           << "with arguments '" << command->getRedactedCopyForLogging(request.getCommandArgs())
           << "' "
           << "and metadata '" << request.getMetadata() << "': " << exception.toString();

    _generateErrorResponse(txn, replyBuilder, exception, metadata);
}