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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996-2009 Oracle. All rights reserved.
#
# $Id$
#
# TEST rpc006
# TEST Test RPC server and multiple operations to server.
# TEST Make sure the server doesn't deadlock itself, but
# TEST returns DEADLOCK to the client.
proc rpc006 { } {
global __debug_on
global __debug_print
global errorInfo
global rpc_svc
source ./include.tcl
puts "Rpc006: RPC server + multiple operations"
puts "Rpc006: Using $rpc_svc"
cleanup $testdir NULL
set dpid [rpc_server_start]
puts "\tRpc006.a: Started server, pid $dpid"
#
# Wrap the test in a catch statement so we can still kill
# the rpc server even if the test fails.
#
set status [catch {
tclsleep 2
remote_cleanup $rpc_server $rpc_testdir $testdir
puts "\tRpc006.b: Creating environment"
set testfile "rpc006.db"
set home [file tail $rpc_testdir]
set env [eval {berkdb_env -create -mode 0644 -home $home \
-server $rpc_server -txn}]
error_check_good lock_env:open [is_valid_env $env] TRUE
#
# NOTE: the type of database doesn't matter, just use btree.
set db [eval {berkdb_open -auto_commit -create -btree \
-mode 0644} -env $env $testfile]
error_check_good dbopen [is_valid_db $db] TRUE
puts "\tRpc006.c: Create competing transactions"
set txn1 [$env txn]
set txn2 [$env txn]
error_check_good txn [is_valid_txn $txn1 $env] TRUE
error_check_good txn [is_valid_txn $txn2 $env] TRUE
set key1 "key1"
set key2 "key2"
set data1 "data1"
set data2 "data2"
puts "\tRpc006.d: Put with both txns to same page. Deadlock"
set ret [$db put -txn $txn1 $key1 $data1]
error_check_good db_put $ret 0
set res [catch {$db put -txn $txn2 $key2 $data2} ret]
error_check_good db_put2 $res 1
error_check_good db_putret [is_substr $ret DB_LOCK_DEADLOCK] 1
error_check_good txn_commit [$txn1 commit] 0
puts "\tRpc006.e: Retry after commit."
set res [catch {$db put -txn $txn2 $key2 $data2} ret]
error_check_good db_put2 $res 0
error_check_good db_putret $ret 0
error_check_good txn_commit [$txn2 commit] 0
error_check_good db_close [$db close] 0
error_check_good env_close [$env close] 0
} res]
if { $status != 0 } {
puts $res
}
tclkill $dpid
}
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