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authorKaren Arutyunov <karen@codesynthesis.com>2017-04-29 23:55:46 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2017-04-30 23:57:17 +0300
commit8f3d3956b1e837c726859eb8bbe19dad79c54a42 (patch)
tree81ded52db212b12c7f685165702cce90aa0233cf /mod/database-module.hxx
parentea60a6df471706a0eeb5ff1f774d69abe89e4bc9 (diff)
Add hxx extension for headers and lib prefix for library dirs
Diffstat (limited to 'mod/database-module.hxx')
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+// file : mod/database-module.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license : MIT; see accompanying LICENSE file
+
+#ifndef MOD_DATABASE_MODULE_HXX
+#define MOD_DATABASE_MODULE_HXX
+
+#include <odb/forward.hxx> // database
+
+#include <libbrep/types.hxx>
+#include <libbrep/utility.hxx>
+
+#include <libbbot/build-config.hxx>
+
+#include <mod/module.hxx>
+#include <mod/options.hxx>
+
+namespace brep
+{
+ // A module that utilises the database. Specifically, it will retry the
+ // request in the face of recoverable database failures (deadlock, loss of
+ // connection, etc) up to a certain number of times.
+ //
+ class database_module: public module
+ {
+ protected:
+ database_module () = default;
+
+ // Create a shallow copy (handling instance) if initialized and a deep
+ // copy (context exemplar) otherwise.
+ //
+ explicit
+ database_module (const database_module&);
+
+ // Required to avoid getting warning from clang that
+ // database_module::init() hides module::init() virtual functions. This
+ // way all functions get to the same scope and become overloaded set.
+ //
+ using module::init;
+
+ // Initialize the package database instance. Throw odb::exception on
+ // failure.
+ //
+ void
+ init (const options::package_db&, size_t retry);
+
+ // Initialize the build database instance and parse build configuration
+ // file. Throw odb::exception on database failure, tab_parsing on parsing
+ // error, system_error on the underlying OS error.
+ //
+ void
+ init (const options::build&, const options::build_db&, size_t retry);
+
+ virtual bool
+ handle (request&, response&) = 0;
+
+ protected:
+ size_t retry_ = 0; // Max of all retries.
+
+ shared_ptr<odb::core::database> package_db_;
+
+ // These are NULL if not building.
+ //
+ shared_ptr<odb::core::database> build_db_;
+ shared_ptr<const bbot::build_configs> build_conf_;
+
+ private:
+ virtual bool
+ handle (request&, response&, log&);
+ };
+}
+
+#endif // MOD_DATABASE_MODULE_HXX