From d304a4b2b19dca115954f209d6a37a6958e73ab9 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Fri, 18 Jan 2013 10:23:39 +0200 Subject: Add support for post-commit/rollback callbacks New test: common/transaction/callback. --- common/transaction/callback/driver.cxx | 212 +++++++++++++++++++++++++++++++++ common/transaction/callback/makefile | 89 ++++++++++++++ common/transaction/callback/test.std | 34 ++++++ 3 files changed, 335 insertions(+) create mode 100644 common/transaction/callback/driver.cxx create mode 100644 common/transaction/callback/makefile create mode 100644 common/transaction/callback/test.std (limited to 'common/transaction/callback') diff --git a/common/transaction/callback/driver.cxx b/common/transaction/callback/driver.cxx new file mode 100644 index 0000000..b74df4c --- /dev/null +++ b/common/transaction/callback/driver.cxx @@ -0,0 +1,212 @@ +// file : common/transaction/callback/driver.cxx +// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +// Test transaction callbacks. +// + +#include // std::size_t +#include +#include + +#include +#include + +#include + +using namespace std; +using namespace odb::core; + +struct callback +{ + callback (unsigned short v): v_ (v), t_ (0) {} + callback (unsigned short v, transaction& t): v_ (v), t_ (0) {register_ (t);} + ~callback () {if (t_ != 0) unregister ();} + + void + register_ (transaction& t) + { + t_ = &t; + t.register_ (&func, this, transaction::event_all, v_, &t_); + } + + void + unregister () + { + cout << " unregister callback " << v_ << endl; + t_->unregister (this); + t_ = 0; + } + +private: + static void + func (unsigned short event, void* key, unsigned long long data) + { + callback& c (*static_cast (key)); + + const char* en; + switch (event) + { + case transaction::event_commit: + en = "commit"; + break; + case transaction::event_rollback: + en = "rollback"; + break; + default: + en = "unknown"; + } + + cout << " callback " << c.v_ << " " << en << endl; + + assert (data == c.v_); + assert (c.t_ == 0); + } + + unsigned short v_; + transaction* t_; +}; + +struct failed {}; + +static void +throw_func (unsigned short, void*, unsigned long long) +{ + throw failed (); +} + +static void +dummy_func (unsigned short, void* key, unsigned long long data) +{ + assert (reinterpret_cast (key) == data); +} + +static void +fill (transaction& t) +{ + // 20 is from odb/transaction.hxx. + // + for (size_t i (0); i < 20; ++i) + t.register_ (&dummy_func, + reinterpret_cast (i), + transaction::event_all, + i); +} + +int +main (int argc, char* argv[]) +{ + try + { + auto_ptr db (create_database (argc, argv, false)); + + // We want to test both stack and dynamic slots. + // + for (unsigned short i (1); i < 3; ++i) + { + // Test basic logic. + // + cout << "test " << i << "/001" << endl; + + // Commit callback. + // + { + transaction t (db->begin ()); + if (i == 2) fill (t); + callback c1 (1, t); + t.commit (); + } + + // Rollback callback. + // + { + transaction t (db->begin ()); + if (i == 2) fill (t); + callback c1 (1, t); + t.rollback (); + } + + // Rollback via exception callback. + // + { + callback c1 (1); + + try + { + transaction t (db->begin ()); + if (i == 2) fill (t); + c1.register_ (t); + throw failed (); + } + catch (const failed&) + { + } + } + + // Unregister callback at the end. + // + { + transaction t (db->begin ()); + if (i == 2) fill (t); + callback c1 (1, t); + c1.unregister (); + t.unregister (&c1); // Test unregistering non-registered key. + t.commit (); + } + + { + transaction t (db->begin ()); + if (i == 2) fill (t); + callback c1 (1, t); + c1.unregister (); + callback c2 (2, t); + t.commit (); + } + + // Unregister callback in the middle. + // + cout << "test " << i << "/002" << endl; + { + transaction t (db->begin ()); + if (i == 2) fill (t); + callback c1 (1, t); + callback c2 (2, t); + callback c3 (3, t); + c2.unregister (); + t.commit (); + } + + { + transaction t (db->begin ()); + if (i == 2) fill (t); + callback c1 (1, t); + callback c2 (2, t); + callback c3 (3, t); + c2.unregister (); + callback c4 (4, t); // Using the free slot. + t.commit (); + } + + // Test a callback in the middle that throws. + // + cout << "test " << i << "/003" << endl; + try + { + transaction t (db->begin ()); + if (i == 2) fill (t); + callback c1 (1, t); + t.register_ (&throw_func, 0); + callback c2 (2, t); + t.commit (); + } + catch (const failed&) + { + } + } + } + catch (const odb::exception& e) + { + cerr << e.what () << endl; + return 1; + } +} diff --git a/common/transaction/callback/makefile b/common/transaction/callback/makefile new file mode 100644 index 0000000..936a02d --- /dev/null +++ b/common/transaction/callback/makefile @@ -0,0 +1,89 @@ +# file : common/transaction/callback/makefile +# copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC +# license : GNU GPL v2; see accompanying LICENSE file + +include $(dir $(lastword $(MAKEFILE_LIST)))../../../build/bootstrap.make + +cxx_tun := driver.cxx +cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o)) +cxx_od := $(cxx_obj:.o=.o.d) + +common.l := $(out_root)/libcommon/common/common.l +common.l.cpp-options := $(out_root)/libcommon/common/common.l.cpp-options + +driver := $(out_base)/driver +dist := $(out_base)/.dist +test := $(out_base)/.test +clean := $(out_base)/.clean + +# Build. +# +$(driver): $(cxx_obj) $(common.l) +$(cxx_obj) $(cxx_od): cpp_options := -I$(out_base) -I$(src_base) +$(cxx_obj) $(cxx_od): $(common.l.cpp-options) + +$(call include-dep,$(cxx_od)) + +# Alias for default target. +# +$(out_base)/: $(driver) + +# Dist +# +name := $(subst /,-,$(subst $(src_root)/common/,,$(src_base))) + +$(dist): db_id := @database@ +$(dist): sources := $(cxx_tun) +$(dist): data_dist := test.std +$(dist): export name := $(name) +$(dist): export extra_dist := $(data_dist) $(call vc9projs,$(name)) \ +$(call vc10projs,$(name)) $(call vc11projs,$(name)) +$(dist): + $(call dist-data,$(sources) $(headers) $(data_dist)) + $(call meta-automake,../../template/Makefile.am) + $(call meta-vc9projs,../../template/template,$(name)) + $(call meta-vc10projs,../../template/template,$(name)) + $(call meta-vc11projs,../../template/template,$(name)) + +# Test. +# +$(test): $(driver) $(src_base)/test.std + $(call message,test $<,$< --options-file $(dcf_root)/db.options \ +>$(out_base)/test.out) + $(call message,,diff -u $(src_base)/test.std $(out_base)/test.out) + $(call message,,rm -f $(out_base)/test.out) + +# Clean. +# +$(clean): \ + $(driver).o.clean \ + $(addsuffix .cxx.clean,$(cxx_obj)) \ + $(addsuffix .cxx.clean,$(cxx_od)) + $(call message,,rm -f $(out_base)/test.out) + +# Generated .gitignore. +# +ifeq ($(out_base),$(src_base)) +$(driver): | $(out_base)/.gitignore + +$(out_base)/.gitignore: files := driver +$(clean): $(out_base)/.gitignore.clean + +$(call include,$(bld_root)/git/gitignore.make) +endif + +# How to. +# +$(call include,$(bld_root)/dist.make) +$(call include,$(bld_root)/meta/vc9proj.make) +$(call include,$(bld_root)/meta/vc10proj.make) +$(call include,$(bld_root)/meta/vc11proj.make) +$(call include,$(bld_root)/meta/automake.make) + +$(call include,$(bld_root)/cxx/cxx-d.make) +$(call include,$(bld_root)/cxx/cxx-o.make) +$(call include,$(bld_root)/cxx/o-e.make) + +# Dependencies. +# +$(call import,$(src_root)/libcommon/makefile) diff --git a/common/transaction/callback/test.std b/common/transaction/callback/test.std new file mode 100644 index 0000000..f86579b --- /dev/null +++ b/common/transaction/callback/test.std @@ -0,0 +1,34 @@ +test 1/001 + callback 1 commit + callback 1 rollback + callback 1 rollback + unregister callback 1 + unregister callback 1 + callback 2 commit +test 1/002 + unregister callback 2 + callback 1 commit + callback 3 commit + unregister callback 2 + callback 1 commit + callback 4 commit + callback 3 commit +test 1/003 + callback 1 commit +test 2/001 + callback 1 commit + callback 1 rollback + callback 1 rollback + unregister callback 1 + unregister callback 1 + callback 2 commit +test 2/002 + unregister callback 2 + callback 1 commit + callback 3 commit + unregister callback 2 + callback 1 commit + callback 4 commit + callback 3 commit +test 2/003 + callback 1 commit -- cgit v1.1