SERVER-28187 delete dead classes MultiCommandDispatch, DBClientMultiCommand, and MockMultiWriteCommand

2 files changed, 0 insertions, 247 deletions

diff --git a/src/mongo/s/client/mock_multi_write_command.h b/src/mongo/s/client/mock_multi_write_command.h
deleted file mode 100644
index ef4342d0376..00000000000
--- a/src/mongo/s/client/mock_multi_write_command.h
+++ /dev/null
@@ -1,163 +0,0 @@
-/**
- *    Copyright (C) 2013 MongoDB Inc.
- *
- *    This program is free software: you can redistribute it and/or  modify
- *    it under the terms of the GNU Affero General Public License, version 3,
- *    as published by the Free Software Foundation.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU Affero General Public License for more details.
- *
- *    You should have received a copy of the GNU Affero General Public License
- *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- *    As a special exception, the copyright holders give permission to link the
- *    code of portions of this program with the OpenSSL library under certain
- *    conditions as described in each individual source file and distribute
- *    linked combinations including the program with the OpenSSL library. You
- *    must comply with the GNU Affero General Public License in all respects for
- *    all of the code used other than as permitted herein. If you modify file(s)
- *    with this exception, you may extend this exception to your version of the
- *    file(s), but you are not obligated to do so. If you do not wish to do so,
- *    delete this exception statement from your version. If you delete this
- *    exception statement from all source files in the program, then also delete
- *    it in the license file.
- */
-
-#pragma once
-
-#include <deque>
-
-#include "mongo/base/owned_pointer_vector.h"
-#include "mongo/s/client/multi_command_dispatch.h"
-#include "mongo/s/write_ops/batched_command_response.h"
-#include "mongo/unittest/unittest.h"
-
-namespace mongo {
-
-/**
- * A ConnectionString endpoint registered with some kind of error, to simulate returning when
- * the endpoint is used.
- */
-struct MockWriteResult {
-    MockWriteResult(const ConnectionString& endpoint, const WriteErrorDetail& error)
-        : endpoint(endpoint) {
-        WriteErrorDetail* errorCopy = new WriteErrorDetail;
-        error.cloneTo(errorCopy);
-        errorCopy->setIndex(0);
-        response.setOk(true);
-        response.setN(0);
-        response.addToErrDetails(errorCopy);
-    }
-
-    MockWriteResult(const ConnectionString& endpoint, const WriteErrorDetail& error, int copies)
-        : endpoint(endpoint) {
-        response.setOk(true);
-        response.setN(0);
-
-        for (int i = 0; i < copies; ++i) {
-            WriteErrorDetail* errorCopy = new WriteErrorDetail;
-            error.cloneTo(errorCopy);
-            errorCopy->setIndex(i);
-            response.addToErrDetails(errorCopy);
-        }
-    }
-
-
-    MockWriteResult(const ConnectionString& endpoint, const BatchedCommandResponse& response)
-        : endpoint(endpoint) {
-        response.cloneTo(&this->response);
-    }
-
-    const ConnectionString endpoint;
-    BatchedCommandResponse response;
-};
-
-/**
- * Implementation of the MultiCommandDispatch interface which allows registering a number of
- * endpoints on which errors are returned.  Note that *only* BatchedCommandResponses are
- * supported here.
- *
- * The first matching MockEndpoint for a request in the MockEndpoint* vector is used for one
- * request, then removed.  This allows simulating retryable errors where a second request
- * succeeds or has a different error reported.
- *
- * If an endpoint isn't registered with a MockEndpoint, just returns BatchedCommandResponses
- * with ok : true.
- */
-class MockMultiWriteCommand : public MultiCommandDispatch {
-public:
-    void init(const std::vector<MockWriteResult*> mockEndpoints) {
-        ASSERT(!mockEndpoints.empty());
-        _mockEndpoints.mutableVector().insert(
-            _mockEndpoints.mutableVector().end(), mockEndpoints.begin(), mockEndpoints.end());
-    }
-
-    void addCommand(const ConnectionString& endpoint,
-                    StringData dbName,
-                    const BSONObj& request) override {
-        _pending.push_back(endpoint);
-    }
-
-    void sendAll() override {
-        // No-op
-    }
-
-    int numPending() const override {
-        return static_cast<int>(_pending.size());
-    }
-
-    /**
-     * Returns an error response if the next pending endpoint returned has a corresponding
-     * MockEndpoint.
-     */
-    Status recvAny(ConnectionString* endpoint, BSONSerializable* response) override {
-        BatchedCommandResponse* batchResponse =  //
-            static_cast<BatchedCommandResponse*>(response);
-
-        *endpoint = _pending.front();
-        MockWriteResult* mockResponse = releaseByHost(_pending.front());
-        _pending.pop_front();
-
-        if (NULL == mockResponse) {
-            batchResponse->setOk(true);
-            batchResponse->setN(0);  // TODO: Make this accurate
-        } else {
-            mockResponse->response.cloneTo(batchResponse);
-            delete mockResponse;
-        }
-
-        ASSERT(batchResponse->isValid(NULL));
-        return Status::OK();
-    }
-
-    const std::vector<MockWriteResult*>& getEndpoints() const {
-        return _mockEndpoints.vector();
-    }
-
-private:
-    // Find a MockEndpoint* by host, and release it so we don't see it again
-    MockWriteResult* releaseByHost(const ConnectionString& endpoint) {
-        std::vector<MockWriteResult*>& endpoints = _mockEndpoints.mutableVector();
-
-        for (std::vector<MockWriteResult*>::iterator it = endpoints.begin(); it != endpoints.end();
-             ++it) {
-            MockWriteResult* storedEndpoint = *it;
-            if (storedEndpoint->endpoint.toString().compare(endpoint.toString()) == 0) {
-                endpoints.erase(it);
-                return storedEndpoint;
-            }
-        }
-
-        return NULL;
-    }
-
-    // Manually-stored ranges
-    OwnedPointerVector<MockWriteResult> _mockEndpoints;
-
-    std::deque<ConnectionString> _pending;
-};
-
-}  // namespace mongo
diff --git a/src/mongo/s/client/multi_command_dispatch.h b/src/mongo/s/client/multi_command_dispatch.h
deleted file mode 100644
index 6631644d351..00000000000
--- a/src/mongo/s/client/multi_command_dispatch.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/**
- *    Copyright (C) 2013 MongoDB Inc.
- *
- *    This program is free software: you can redistribute it and/or  modify
- *    it under the terms of the GNU Affero General Public License, version 3,
- *    as published by the Free Software Foundation.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU Affero General Public License for more details.
- *
- *    You should have received a copy of the GNU Affero General Public License
- *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- *    As a special exception, the copyright holders give permission to link the
- *    code of portions of this program with the OpenSSL library under certain
- *    conditions as described in each individual source file and distribute
- *    linked combinations including the program with the OpenSSL library. You
- *    must comply with the GNU Affero General Public License in all respects for
- *    all of the code used other than as permitted herein. If you modify file(s)
- *    with this exception, you may extend this exception to your version of the
- *    file(s), but you are not obligated to do so. If you do not wish to do so,
- *    delete this exception statement from your version. If you delete this
- *    exception statement from all source files in the program, then also delete
- *    it in the license file.
- */
-
-#pragma once
-
-#include "mongo/base/status.h"
-#include "mongo/base/string_data.h"
-#include "mongo/client/dbclientinterface.h"
-#include "mongo/s/bson_serializable.h"
-
-namespace mongo {
-
-/**
- * A MultiCommandDispatch is a send/recv operation for multiple commands at once.
- *
- * The commands are first registered with an endpoint and serializable request.  Commands are
- * sent out without waiting for responses, and then responses are read later one-at-a-time.
- *
- * If context must be tracked alongside these requests, it can be associated with the endpoint
- * object.
- */
-class MultiCommandDispatch {
-public:
-    virtual ~MultiCommandDispatch() {}
-
-    /**
-     * Adds a command to this multi-command dispatch.  Commands are registered with a
-     * ConnectionString endpoint and a BSON request object.
-     *
-     * Commands are not sent immediately, they are sent on sendAll.
-     */
-    virtual void addCommand(const ConnectionString& endpoint,
-                            StringData dbName,
-                            const BSONObj& request) = 0;
-
-    /**
-     * Sends all the commands in this dispatch to their endpoints, in undefined order and
-     * without waiting for responses.  May block on full send queue (though this should be
-     * rare).
-     *
-     * Any error which occurs during sendAll will be reported on recvAny, *does not throw.*
-     */
-    virtual void sendAll() = 0;
-
-    /**
-     * Returns the number of sent requests that are still waiting to be recv'd.
-     */
-    virtual int numPending() const = 0;
-
-    /**
-     * Blocks until a command response has come back.  Any outstanding command response may be
-     * returned with associated endpoint.
-     *
-     * Returns !OK on send/recv/parse failure, otherwise command-level errors are returned in
-     * the response object itself.
-     */
-    virtual Status recvAny(ConnectionString* endpoint, BSONSerializable* response) = 0;
-};
-}