Advance ripple.app.rdb

src/ripple/app/rdb/impl/RelationalDatabase.cpp

@@ -0,0 +1,80 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2020 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <ripple/app/main/Application.h>
+#include <ripple/app/rdb/RelationalDatabase.h>
+#include <ripple/core/ConfigSections.h>
+#include <ripple/nodestore/DatabaseShard.h>
+
+namespace ripple {
+
+extern std::unique_ptr<RelationalDatabase>
+getSQLiteDatabase(Application& app, Config const& config, JobQueue& jobQueue);
+
+extern std::unique_ptr<RelationalDatabase>
+getPostgresDatabase(Application& app, Config const& config, JobQueue& jobQueue);
+
+std::unique_ptr<RelationalDatabase>
+RelationalDatabase::init(
+    Application& app,
+    Config const& config,
+    JobQueue& jobQueue)
+{
+    bool use_sqlite = false;
+    bool use_postgres = false;
+
+    if (config.reporting())
+    {
+        use_postgres = true;
+    }
+    else
+    {
+        const Section& rdb_section{config.section(SECTION_RELATIONAL_DB)};
+        if (!rdb_section.empty())
+        {
+            if (boost::iequals(get(rdb_section, "backend"), "sqlite"))
+            {
+                use_sqlite = true;
+            }
+            else
+            {
+                Throw<std::runtime_error>(
+                    "Invalid rdb_section backend value: " +
+                    get(rdb_section, "backend"));
+            }
+        }
+        else
+        {
+            use_sqlite = true;
+        }
+    }
+
+    if (use_sqlite)
+    {
+        return getSQLiteDatabase(app, config, jobQueue);
+    }
+    else if (use_postgres)
+    {
+        return getPostgresDatabase(app, config, jobQueue);
+    }
+
+    return std::unique_ptr<RelationalDatabase>();
+}
+
+}  // namespace ripple