import os
from autotest_lib.client.bin import test, utils


# Dbt-2 is a fair-use implementation of the TPC-C benchmark.  The test is
# currently hardcoded to use PostgreSQL but the kit also supports MySQL.

class dbt2(test.test):
    version = 2

    def initialize(self):
        self.job.require_gcc()


    # http://osdn.dl.sourceforge.net/sourceforge/osdldbt/dbt2-0.39.tar.gz
    def setup(self, tarball = 'dbt2-0.39.tar.bz2'):
        tarball = utils.unmap_url(self.bindir, tarball, self.tmpdir)
        utils.extract_tarball_to_dir(tarball, self.srcdir)
        self.job.setup_dep(['pgsql', 'pgpool', 'mysql'])

        #
        # Extract one copy of the kit for MySQL.
        #
        utils.system('cp -pR ' + self.srcdir + ' ' + self.srcdir + '.mysql')
        os.chdir(self.srcdir + '.mysql')
        utils.configure('--with-mysql=%s/deps/mysql/mysql' % self.autodir)
        utils.make()

        #
        # Extract one copy of the kit for PostgreSQL.
        #
        utils.system('cp -pR ' + self.srcdir + ' ' + self.srcdir + '.pgsql')
        os.chdir(self.srcdir + '.pgsql')
        utils.configure('--with-postgresql=%s/deps/pgsql/pgsql' % self.autodir)
        utils.make()

        # Create symlinks to autotest's results directory from dbt-2's
        # preferred results directory to self.resultsdir
        utils.system('ln -s %s %s' %
                     (self.resultsdir, self.srcdir + '.mysql/scripts/output'))
        utils.system('ln -s %s %s' %
                     (self.resultsdir, self.srcdir + '.pgsql/scripts/output'))


    def execute(self, db_type, args = ''):
        logfile = self.resultsdir + '/dbt2.log'

        if (db_type == "mysql"):
            self.execute_mysql(args)
        elif (db_type == "pgpool"):
            self.execute_pgpool(args)
        elif (db_type == "pgsql"):
            self.execute_pgsql(args)


    def execute_mysql(self, args = ''):
        args = args
        utils.system(self.srcdir + '.mysql/scripts/mysql/build_db.sh -g -w 1')
        utils.system(self.srcdir + '.mysql/scripts/run_workload.sh ' + args)


    def execute_pgpool(self, args = ''):
        utils.system('%s/deps/pgpool/pgpool/bin/pgpool -f %s/../pgpool.conf' \
                        % (self.autodir, self.srcdir))
        self.execute_pgsql(args)
        utils.system('%s/deps/pgpool/pgpool/bin/pgpool stop' % self.autodir)


    def execute_pgsql(self, args = ''):
        utils.system(self.srcdir + '.pgsql/scripts/pgsql/build_db.sh -g -w 1')
        utils.system(self.srcdir + '.pgsql/scripts/run_workload.sh ' + args)
        #
        # Clean up by dropping the database after the test.
        #
        utils.system(self.srcdir + '.pgsql/scripts/pgsql/start_db.sh')
        utils.system(self.srcdir + '.pgsql/scripts/pgsql/drop_db.sh')
        utils.system(self.srcdir + '.pgsql/scripts/pgsql/stop_db.sh')