From 748b06135085faa1b4287c9547392da0c096d8a4 Mon Sep 17 00:00:00 2001 From: Rich Prohaska <prohaska@tokutek.com> Date: Tue, 16 Apr 2013 23:57:55 -0400 Subject: [PATCH] test recovery after a crash with open databases. closes #1845 git-svn-id: file:///svn/toku/tokudb@13127 c7de825b-a66e-492c-adef-691d508d4ae1 --- src/tests/xclose.c | 157 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 src/tests/xclose.c diff --git a/src/tests/xclose.c b/src/tests/xclose.c new file mode 100644 index 0000000000..c671fc3d73 --- /dev/null +++ b/src/tests/xclose.c @@ -0,0 +1,157 @@ +/* + * Test recovery when a crash occurs before all tables are closed (xclose --commit) + * Open two tables, A and B + * checkpoint + * insert a in A and commit + * insert b in B and commit + * close A + * abort the process + * + * Verify the recovery (xclose --recover) + */ +#include <sys/stat.h> +#include <sys/wait.h> +#include "test.h" + +const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN |DB_RECOVER; +char *namea="a.db"; +char *nameb="b.db"; + + +static void +do_xclose (void) { + int r; + system("rm -rf " ENVDIR); + toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO); + DB_ENV *env; + DB *dba, *dbb; + r = db_env_create(&env, 0); CKERR(r); + r = env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r); + r = db_create(&dba, env, 0); CKERR(r); + r = dba->open(dba, NULL, namea, NULL, DB_BTREE, DB_AUTO_COMMIT|DB_CREATE, 0666); CKERR(r); + r = db_create(&dbb, env, 0); CKERR(r); + r = dbb->open(dbb, NULL, nameb, NULL, DB_BTREE, DB_AUTO_COMMIT|DB_CREATE, 0666); CKERR(r); + r = env->txn_checkpoint(env, 0, 0, 0); CKERR(r); + DB_TXN *txn; + r = env->txn_begin(env, NULL, &txn, 0); CKERR(r); + { + DBT a={.data="a", .size=2}; + DBT b={.data="b", .size=2}; + r = dba->put(dba, txn, &a, &b, 0); CKERR(r); + r = dbb->put(dbb, txn, &b, &a, 0); CKERR(r); + } + //printf("opened\n"); + r = txn->commit(txn, 0); CKERR(r); + r = dba->close(dba, 0); CKERR(r); + //printf("shutdown\n"); + abort(); +} + +static void +do_xclose_recover (BOOL did_commit) { + DB_ENV *env; + DB *dba, *dbb; + int r; + r = db_env_create(&env, 0); CKERR(r); + r = env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r); + r = db_create(&dba, env, 0); CKERR(r); + r = dba->open(dba, NULL, namea, NULL, DB_BTREE, DB_AUTO_COMMIT|DB_CREATE, 0666); CKERR(r); + r = db_create(&dbb, env, 0); CKERR(r); + r = dba->open(dbb, NULL, nameb, NULL, DB_BTREE, DB_AUTO_COMMIT|DB_CREATE, 0666); CKERR(r); + DBT aa={.size=0}, ab={.size=0}; + DBT ba={.size=0}, bb={.size=0}; + DB_TXN *txn; + DBC *ca,*cb; + r = env->txn_begin(env, NULL, &txn, 0); CKERR(r); + r = dba->cursor(dba, txn, &ca, 0); CKERR(r); + r = dbb->cursor(dbb, txn, &cb, 0); CKERR(r); + int ra = ca->c_get(ca, &aa, &ab, DB_FIRST); CKERR(r); + int rb = cb->c_get(cb, &ba, &bb, DB_FIRST); CKERR(r); + if (did_commit) { + assert(ra==0); + assert(rb==0); + // verify key-value pairs + assert(aa.size==2); + assert(ab.size==2); + assert(ba.size==2); + assert(bb.size==2); + const char a[2] = "a"; + const char b[2] = "b"; + assert(memcmp(aa.data, &a, 2)==0); + assert(memcmp(ab.data, &b, 2)==0); + assert(memcmp(ab.data, &b, 2)==0); + assert(memcmp(bb.data, &a, 2)==0); + // make sure no other entries in DB + assert(ca->c_get(ca, &aa, &ab, DB_NEXT) == DB_NOTFOUND); + assert(cb->c_get(cb, &ba, &bb, DB_NEXT) == DB_NOTFOUND); + fprintf(stderr, "Both verified. Yay!\n"); + } else { + // It wasn't committed (it also wasn't aborted), but a checkpoint happened. + assert(ra==DB_NOTFOUND); + assert(rb==DB_NOTFOUND); + fprintf(stderr, "Neither present. Yay!\n"); + } + r = ca->c_close(ca); CKERR(r); + r = cb->c_close(cb); CKERR(r); + r = txn->commit(txn, 0); CKERR(r); + r = dba->close(dba, 0); CKERR(r); + r = dbb->close(dbb, 0); CKERR(r); + r = env->close(env, 0); CKERR(r); + exit(0); +} + + +BOOL do_commit=FALSE, do_recover=FALSE; +char *cmd; + +static void +xclose_parse_args (int argc, char *argv[]) { + int resultcode; + cmd = argv[0]; + argc--; argv++; + while (argc>0) { + if (strcmp(argv[0], "-v") == 0) { + verbose++; + } else if (strcmp(argv[0],"-q")==0) { + verbose--; + if (verbose<0) verbose=0; + } else if (strcmp(argv[0],"--commit")==0) { + do_commit=1; + } else if (strcmp(argv[0],"--recover")==0) { + do_recover=1; + } else if (strcmp(argv[0], "-h")==0) { + resultcode=0; + do_usage: + fprintf(stderr, "Usage:\n%s [-v|-q]* [-h] {--commit | --abort | --explicit-abort | --recover-committed | --recover-aborted } \n", cmd); + exit(resultcode); + } else { + fprintf(stderr, "Unknown arg: %s\n", argv[0]); + resultcode=1; + goto do_usage; + } + argc--; + argv++; + } + { + int n_specified=0; + if (do_commit) n_specified++; + if (do_recover) n_specified++; + if (n_specified>1) { + printf("Specify only one of --commit or --recover\n"); + resultcode=1; + goto do_usage; + } + } +} + +int +test_main (int argc, char *argv[]) +{ + xclose_parse_args(argc, argv); + if (do_commit) { + do_xclose (); + } else if (do_recover) { + do_xclose_recover(TRUE); + } + return 0; +} -- 2.30.9