636.1.1
by Mark Atwood
add replicator plugin type |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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1999.6.1
by kalebral at gmail
update Copyright strings to a more common format to help with creating the master debian copyright file |
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* Copyright (C) 2008-2009 Sun Microsystems, Inc.
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* Copyright (C) 2009-2010 Jay Pipes <jaypipes@gmail.com>
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988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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*
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* Authors:
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*
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1336.2.2
by Jay Pipes
NO CODE CHANGES - Simply moves pieces of ReplicationServices to TransactionServices. Preparation for making the ReplicationServices component only responsible for communication between replicators, appliers, publishers, and subscribers. |
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* Jay Pipes <jaypipes@gmail.com>
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636.1.1
by Mark Atwood
add replicator plugin type |
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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/**
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* @file Server-side utility which is responsible for managing the
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1336.2.2
by Jay Pipes
NO CODE CHANGES - Simply moves pieces of ReplicationServices to TransactionServices. Preparation for making the ReplicationServices component only responsible for communication between replicators, appliers, publishers, and subscribers. |
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* communication between the kernel and the replication plugins:
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*
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* - TransactionReplicator
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* - TransactionApplier
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* - Publisher
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* - Subscriber
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*
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* ReplicationServices is a bridge between replication modules and the kernel,
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* and its primary function is to */
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988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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2173.2.1
by Monty Taylor
Fixes incorrect usage of include |
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#include <config.h> |
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#include <drizzled/replication_services.h> |
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#include <drizzled/plugin/transaction_replicator.h> |
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#include <drizzled/plugin/transaction_applier.h> |
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#include <drizzled/message/transaction.pb.h> |
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#include <drizzled/gettext.h> |
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#include <drizzled/session.h> |
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#include <drizzled/error.h> |
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2239.1.6
by Olaf van der Spek
Refactor includes |
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#include <drizzled/errmsg_print.h> |
988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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#include <string> |
988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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#include <vector> |
1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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#include <algorithm> |
988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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1039.5.39
by Jay Pipes
This patch does a couple things in preparation for publisher and |
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using namespace std; |
1130.3.18
by Monty Taylor
Small namespace cleanup. |
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namespace drizzled |
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{
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1039.5.39
by Jay Pipes
This patch does a couple things in preparation for publisher and |
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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ReplicationServices::ReplicationServices() : |
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is_active(false) |
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1039.5.5
by Jay Pipes
This commit does two things: |
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{
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}
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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void ReplicationServices::normalizeReplicatorName(string &name) |
1039.5.5
by Jay Pipes
This commit does two things: |
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{
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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transform(name.begin(), |
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name.end(), |
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name.begin(), |
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::tolower); |
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if (name.find("replicator") == string::npos) |
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name.append("replicator", 10); |
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{
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size_t found_underscore= name.find('_'); |
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while (found_underscore != string::npos) |
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1039.5.5
by Jay Pipes
This commit does two things: |
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{
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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name.erase(found_underscore, 1); |
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found_underscore= name.find('_'); |
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1039.5.5
by Jay Pipes
This commit does two things: |
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}
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}
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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}
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1039.5.5
by Jay Pipes
This commit does two things: |
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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bool ReplicationServices::evaluateRegisteredPlugins() |
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{
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1039.5.5
by Jay Pipes
This commit does two things: |
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/*
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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* We loop through appliers that have registered with us
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* and attempts to pair the applier with its requested
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* replicator. If an applier has requested a replicator
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* that has either not been built or has not registered
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* with the replication services, we print an error and
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* return false
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1039.5.5
by Jay Pipes
This commit does two things: |
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*/
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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if (appliers.empty()) |
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return true; |
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if (replicators.empty() && not appliers.empty()) |
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{
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2126.3.3
by Brian Aker
Merge in error message rework. Many error messages are fixed in this patch. |
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errmsg_printf(error::ERROR, |
1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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N_("You registered a TransactionApplier plugin but no " |
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"TransactionReplicator plugins were registered.\n")); |
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return false; |
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}
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1143.4.7
by Jay Pipes
Removes unused ReplicationServices::startNormalTransaction() and switches from while to for loop in evaluateActivePlugins(). |
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for (Appliers::iterator appl_iter= appliers.begin(); |
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appl_iter != appliers.end(); |
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++appl_iter) |
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1039.5.5
by Jay Pipes
This commit does two things: |
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{
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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plugin::TransactionApplier *applier= (*appl_iter).second; |
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string requested_replicator_name= (*appl_iter).first; |
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normalizeReplicatorName(requested_replicator_name); |
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bool found= false; |
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Replicators::iterator repl_iter; |
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for (repl_iter= replicators.begin(); |
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repl_iter != replicators.end(); |
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++repl_iter) |
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{
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string replicator_name= (*repl_iter)->getName(); |
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normalizeReplicatorName(replicator_name); |
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if (requested_replicator_name.compare(replicator_name) == 0) |
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{
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found= true; |
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break; |
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}
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}
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if (not found) |
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{
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2126.3.3
by Brian Aker
Merge in error message rework. Many error messages are fixed in this patch. |
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errmsg_printf(error::ERROR, |
1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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N_("You registered a TransactionApplier plugin but no " |
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"TransactionReplicator plugins were registered that match the "
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"requested replicator name of '%s'.\n" |
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"We have deactivated the TransactionApplier '%s'.\n"), |
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requested_replicator_name.c_str(), |
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applier->getName().c_str()); |
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applier->deactivate(); |
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return false; |
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}
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else
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{
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replication_streams.push_back(make_pair(*repl_iter, applier)); |
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1039.5.5
by Jay Pipes
This commit does two things: |
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}
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}
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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is_active= true; |
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return true; |
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1039.5.5
by Jay Pipes
This commit does two things: |
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}
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1143.2.10
by Jay Pipes
Phase 2 new replication work: |
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void ReplicationServices::attachReplicator(plugin::TransactionReplicator *in_replicator) |
988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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{
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replicators.push_back(in_replicator); |
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}
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1143.2.10
by Jay Pipes
Phase 2 new replication work: |
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void ReplicationServices::detachReplicator(plugin::TransactionReplicator *in_replicator) |
988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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{
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replicators.erase(std::find(replicators.begin(), replicators.end(), in_replicator)); |
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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}
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void ReplicationServices::attachApplier(plugin::TransactionApplier *in_applier, const string &requested_replicator_name) |
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{
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appliers.push_back(make_pair(requested_replicator_name, in_applier)); |
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}
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void ReplicationServices::detachApplier(plugin::TransactionApplier *) |
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{
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1039.5.5
by Jay Pipes
This commit does two things: |
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}
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1039.5.31
by Jay Pipes
This patch does a few things: |
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bool ReplicationServices::isActive() const |
1039.5.5
by Jay Pipes
This commit does two things: |
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{
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return is_active; |
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988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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}
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1405.3.3
by Jay Pipes
Adds Session reference to replication API |
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plugin::ReplicationReturnCode ReplicationServices::pushTransactionMessage(Session &in_session, |
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message::Transaction &to_push) |
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988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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{
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1405.3.9
by Jay Pipes
Possible that result was returned uninitialized. Initialize to plugin::SUCCESS before iterating across replication streams. |
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plugin::ReplicationReturnCode result= plugin::SUCCESS; |
1405.3.1
by Jay Pipes
Adapts the plugin::TransactionReplicator and plugin::TransactionApplier |
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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for (ReplicationStreams::iterator iter= replication_streams.begin(); |
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iter != replication_streams.end(); |
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++iter) |
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988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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{
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2192.4.7
by Olaf van der Spek
Use "iter->" instead of "(*iter)." |
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plugin::TransactionReplicator *cur_repl= iter->first; |
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plugin::TransactionApplier *cur_appl= iter->second; |
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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result= cur_repl->replicate(cur_appl, in_session, to_push); |
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if (result == plugin::SUCCESS) |
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{
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/*
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* We update the timestamp for the last applied Transaction so that
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* publisher plugins can ask the replication services when the
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* last known applied Transaction was using the getLastAppliedTimestamp()
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* method.
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*/
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last_applied_timestamp.fetch_and_store(to_push.transaction_context().end_timestamp()); |
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}
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else
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return result; |
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988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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}
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1405.3.1
by Jay Pipes
Adapts the plugin::TransactionReplicator and plugin::TransactionApplier |
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return result; |
988.1.5
by Jay Pipes
Removal of log.cc (binlog), added Applier plugin and fixed up Replicator |
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}
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1143.2.10
by Jay Pipes
Phase 2 new replication work: |
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1405.6.1
by Jay Pipes
This patch adds the following functionality: |
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ReplicationServices::ReplicationStreams &ReplicationServices::getReplicationStreams() |
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{
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return replication_streams; |
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}
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1130.3.18
by Monty Taylor
Small namespace cleanup. |
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} /* namespace drizzled */ |