521 lines
10 KiB
C
521 lines
10 KiB
C
/*---
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This software is copyrighted by the Regents of the University of
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California, and other parties. The following terms apply to all files
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associated with the software unless explicitly disclaimed in
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individual files.
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The authors hereby grant permission to use, copy, modify, distribute,
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and license this software and its documentation for any purpose,
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provided that existing copyright notices are retained in all copies
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and that this notice is included verbatim in any distributions. No
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written agreement, license, or royalty fee is required for any of the
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authorized uses. Modifications to this software may be copyrighted by
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their authors and need not follow the licensing terms described here,
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provided that the new terms are clearly indicated on the first page of
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each file where they apply.
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IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
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FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
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DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
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NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND
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THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
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MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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GOVERNMENT USE: If you are acquiring this software on behalf of the
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U.S. government, the Government shall have only "Restricted Rights" in
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the software and related documentation as defined in the Federal
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Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are
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acquiring the software on behalf of the Department of Defense, the
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software shall be classified as "Commercial Computer Software" and the
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Government shall have only "Restricted Rights" as defined in Clause
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252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
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authors grant the U.S. Government and others acting in its behalf
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permission to use and distribute the software in accordance with the
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terms specified in this license.
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---*/
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#include <config.h>
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#include <check.h>
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#include <assert.h>
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#include <stasis/transactional.h>
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#include <stasis/logger/logger2.h>
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#include <stasis/truncation.h>
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#include "../../src/stasis/logger/logWriter.h"
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#include "../check_includes.h"
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#define LOG_NAME "check_recovery.log"
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/**
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@test
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Simple test: Insert some stuff. Commit. Call Tdeinit(). Call
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Tinit() (Which initiates recovery), and see if the stuff we
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inserted is still there.
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Only performs idempotent operations (Tset).
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*/
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START_TEST (recovery_idempotent) {
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int xid;
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int j;
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int k;
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recordid rid;
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Tinit();
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xid = Tbegin();
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rid = Talloc(xid, sizeof(int));
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j = 1;
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Tset(xid, rid, &j);
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Tcommit(xid);
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xid = Tbegin();
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Tread(xid, rid, &k);
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fail_unless(j == k, "Get/Set broken?");
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Tcommit(xid);
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Tdeinit();
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Tinit(); /* Runs recovery.. */
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k = 12312;
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xid = Tbegin();
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Tread(xid, rid, &k);
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fail_unless(j == k, "Recovery messed something up!");
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Tcommit(xid);
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Tdeinit();
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}
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END_TEST
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/**
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@test
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Simple test: Alloc a record, commit. Call Tincrement on it, and
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remember its value and commit. Then, call Tdeinit() and Tinit()
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(Which initiates recovery), and see if the value changes.
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*/
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START_TEST (recovery_exactlyOnce) {
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int xid;
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int j;
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int k;
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recordid rid;
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Tinit();
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xid = Tbegin();
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rid = Talloc(xid, sizeof(int));
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Tincrement(xid, rid);
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Tread(xid, rid, &j);
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Tcommit(xid);
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xid = Tbegin();
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Tread(xid, rid, &k);
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fail_unless(j == k, "Get/Set broken?");
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Tcommit(xid);
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Tdeinit();
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Tinit(); /* Runs recovery.. */
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k = 12312;
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xid = Tbegin();
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Tread(xid, rid, &k);
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printf("j = %d, k = %d\n", j, k);
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assert(j == k);
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fail_unless(j == k, "Recovery messed something up!");
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Tcommit(xid);
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Tdeinit();
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}
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END_TEST
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/**
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@test
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Makes sure that aborted idempotent operations are correctly undone.
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*/
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START_TEST (recovery_idempotentAbort) {
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int xid;
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int j;
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int k;
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recordid rid;
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Tinit();
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xid = Tbegin();
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rid = Talloc(xid, sizeof(int));
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j = 1;
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Tset(xid, rid, &j);
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Tread(xid, rid, &j);
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Tcommit(xid);
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xid = Tbegin();
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Tread(xid, rid, &k);
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fail_unless(j == k, "Get/Set broken?");
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Tcommit(xid);
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xid = Tbegin();
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k = 2;
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Tset(xid, rid, &k);
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k = 4;
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Tread(xid, rid, &k);
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fail_unless(k == 2, NULL);
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Tabort(xid);
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xid = Tbegin();
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k = 4;
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Tread(xid, rid, &k);
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Tabort(xid);
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fail_unless(j == k, "Didn't abort!");
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Tdeinit();
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Tinit(); /* Runs recovery.. */
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k = 12312;
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xid = Tbegin();
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Tread(xid, rid, &k);
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fail_unless(j == k, "Recovery messed something up!");
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Tcommit(xid);
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Tdeinit();
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}
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END_TEST
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/**
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@test
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Makes sure that aborted idempotent operations are correctly undone.
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*/
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START_TEST (recovery_exactlyOnceAbort) {
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int xid;
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int j;
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int k;
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recordid rid;
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Tinit();
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xid = Tbegin();
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rid = Talloc(xid, sizeof(int));
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j = 1;
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Tincrement(xid, rid);
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Tread(xid, rid, &j);
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Tcommit(xid);
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xid = Tbegin();
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Tincrement(xid, rid);
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Tread(xid, rid, &k);
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fail_unless(j == k-1, NULL);
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Tabort(xid);
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xid = Tbegin();
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Tread(xid, rid, &k);
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fail_unless(j == k, "didn't abort?");
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Tcommit(xid);
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Tdeinit();
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Tinit();
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xid = Tbegin();
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Tread(xid, rid, &k);
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fail_unless(j == k, "Recovery didn't abort correctly");
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Tcommit(xid);
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Tdeinit();
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}
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END_TEST
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/**
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@test
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Check the CLR mechanism with an aborted logical operation, and multipl Tinit()/Tdeinit() cycles.
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*/
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START_TEST(recovery_clr) {
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recordid rid;
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int xid;
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int j;
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int k;
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DEBUG("\n\nStart CLR test\n\n");
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Tinit();
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xid = Tbegin();
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rid = Talloc(xid, sizeof(int));
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Tread(xid, rid, &j);
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Tcommit(xid);
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xid = Tbegin();
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Tincrement(xid, rid);
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Tabort(xid);
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xid = Tbegin();
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Tread(xid, rid, &k);
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Tcommit(xid);
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fail_unless(j == k, NULL);
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Tdeinit();
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Tinit();
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Tdeinit();
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Tinit();
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xid = Tbegin();
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Tread(xid, rid, &k);
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Tcommit(xid);
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fail_unless(j == k, NULL);
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Tdeinit();
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Tinit();
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xid = Tbegin();
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Tread(xid, rid, &k);
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Tcommit(xid);
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fail_unless(j == k, NULL);
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Tdeinit();
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} END_TEST
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extern int numActiveXactions;
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/**
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@test
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Tests the undo phase of recovery by simulating a crash, and calling Tinit(). */
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START_TEST(recovery_crash) {
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int xid;
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recordid rid;
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int j;
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Tinit();
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xid = Tbegin();
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rid = Talloc(xid, sizeof(int));
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j = 0;
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Tset(xid, rid, &j);
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Tincrement(xid, rid);
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Tincrement(xid, rid);
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Tincrement(xid, rid);
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Tincrement(xid, rid);
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Tincrement(xid, rid);
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Tincrement(xid, rid);
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Tincrement(xid, rid);
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Tincrement(xid, rid);
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Tincrement(xid, rid);
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/* RID = 9. */
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Tread(xid, rid, &j);
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fail_unless(j == 9, "Increment not working?");
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Tcommit(xid);
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xid = Tbegin();
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Tdecrement(xid, rid);
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Tdecrement(xid, rid);
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Tdecrement(xid, rid);
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/* RID = 6. */
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Tread(xid, rid, &j);
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fail_unless(j == 6, "Decrement not working?");
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truncationDeinit();
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simulateBufferManagerCrash();
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closeLogWriter();
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numActiveXactions = 0;
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Tinit();
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Tread(xid, rid, &j);
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fail_unless(j == 9, "Recovery didn't roll back in-progress xact!");
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Tdeinit();
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Tinit();
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Tread(xid, rid, &j);
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fail_unless(j == 9, "Recovery failed on second re-open.");
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Tdeinit();
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} END_TEST
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/**
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@test
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Tests recovery when more than one transaction is in progress at the time of the crash.
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*/
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START_TEST (recovery_multiple_xacts) {
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int xid1, xid2, xid3, xid4;
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recordid rid1, rid2, rid3, rid4;
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int j1, j2, j3, j4, k;
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Tinit();
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j1 = 1;
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j2 = 2;
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j3 = 4;
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j4 = 3;
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xid1 = Tbegin();
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rid1 = Talloc(xid1, sizeof(int));
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xid2 = Tbegin();
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xid3 = Tbegin();
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Tset(xid1, rid1, &j1);
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rid2 = Talloc(xid2, sizeof(int));
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rid3 = Talloc(xid3, sizeof(int));
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Tread(xid3, rid3, &k);
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Tset(xid3, rid3, &j3);
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Tcommit(xid3);
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xid3 = Tbegin();
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Tincrement(xid3, rid3);
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Tset(xid2, rid2, &j2);
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Tcommit(xid1);
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xid4 = Tbegin();
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Tcommit(xid2);
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rid4 = Talloc(xid4, sizeof(int));
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Tset(xid4, rid4, &j4);
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Tincrement(xid4, rid4);
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Tcommit(xid4);
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xid1 = Tbegin();
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k = 100000;
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Tset(xid1, rid1,&k);
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xid2 = Tbegin();
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Tdecrement(xid2, rid2);
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Tdecrement(xid2, rid2);
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Tdecrement(xid2, rid2);
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Tdecrement(xid2, rid2);
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Tdecrement(xid2, rid2);
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Tincrement(xid1, rid1);
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Tset(xid1, rid1,&k);
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/*simulate crash */
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truncationDeinit();
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simulateBufferManagerCrash();
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closeLogWriter();
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numActiveXactions = 0;
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Tinit();
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Tdeinit();
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Tinit();
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xid1 = Tbegin();
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xid2 = Tbegin();
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xid3 = Tbegin();
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xid4 = Tbegin();
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Tread(xid1, rid1, &j1);
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Tread(xid2, rid2, &j2);
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Tread(xid3, rid3, &j3);
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Tread(xid4, rid4, &j4);
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fail_unless(j1 == 1, NULL);
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fail_unless(j2 == 2, NULL);
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fail_unless(j3 == 4, NULL);
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fail_unless(j4 == 4, NULL);
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assert(j4 == 4);
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Tdeinit();
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} END_TEST
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/**
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Add suite declarations here
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*/
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Suite * check_suite(void) {
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Suite *s = suite_create("recovery_suite");
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/* Begin a new test */
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TCase *tc = tcase_create("recovery");
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tcase_set_timeout(tc, 0); // disable timeouts
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if(LOG_TO_MEMORY != loggerType) {
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/* Sub tests are added, one per line, here */
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tcase_add_test(tc, recovery_idempotent);
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tcase_add_test(tc, recovery_exactlyOnce);
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tcase_add_test(tc, recovery_idempotentAbort);
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tcase_add_test(tc, recovery_exactlyOnceAbort);
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tcase_add_test(tc, recovery_clr);
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tcase_add_test(tc, recovery_crash);
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tcase_add_test(tc, recovery_multiple_xacts);
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}
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/* --------------------------------------------- */
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tcase_add_checked_fixture(tc, setup, teardown);
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suite_add_tcase(s, tc);
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return s;
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}
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#include "../check_setup.h"
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