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ReadOnly: Add a test tool to fetch a record, requesting a readonly delegation and lock the record once

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(This used to be ctdb commit 29c77c249d0454057ce28003e018e126c7c01513)
This commit is contained in:
Ronnie Sahlberg 2011-07-20 15:43:55 +10:00
parent 37608d70fc
commit f6de7550a4
2 changed files with 139 additions and 1 deletions
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6
ctdb/Makefile.in
View File

@ -67,7 +67,7 @@ CTDB_SERVER_OBJ = server/ctdbd.o server/ctdb_daemon.o server/ctdb_lockwait.o \
$(CTDB_CLIENT_OBJ) $(CTDB_TCP_OBJ) @INFINIBAND_WRAPPER_OBJ@
TEST_BINS=tests/bin/ctdb_bench tests/bin/ctdb_fetch tests/bin/ctdb_fetch_one \
tests/bin/ctdb_fetch_lock_once \
tests/bin/ctdb_fetch_lock_once tests/bin/ctdb_fetch_readonly_once \
tests/bin/ctdb_store tests/bin/ctdb_trackingdb_test \
tests/bin/ctdb_randrec tests/bin/ctdb_persistent \
tests/bin/ctdb_traverse tests/bin/rb_test tests/bin/ctdb_transaction \
@ -172,6 +172,10 @@ tests/bin/ctdb_fetch_lock_once: $(CTDB_CLIENT_OBJ) tests/src/ctdb_fetch_lock_onc
@echo Linking $@
@$(CC) $(CFLAGS) -o $@ tests/src/ctdb_fetch_lock_once.o $(CTDB_CLIENT_OBJ) $(LIB_FLAGS)
tests/bin/ctdb_fetch_readonly_once: $(CTDB_CLIENT_OBJ) tests/src/ctdb_fetch_readonly_once.o
@echo Linking $@
@$(CC) $(CFLAGS) -o $@ tests/src/ctdb_fetch_readonly_once.o $(CTDB_CLIENT_OBJ) $(LIB_FLAGS)
tests/bin/ctdb_trackingdb_test: $(CTDB_CLIENT_OBJ) tests/src/ctdb_trackingdb_test.o
@echo Linking $@
@$(CC) $(CFLAGS) -o $@ tests/src/ctdb_trackingdb_test.o $(CTDB_CLIENT_OBJ) $(LIB_FLAGS)

134
ctdb/tests/src/ctdb_fetch_readonly_once.c Normal file
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@ -0,0 +1,134 @@
/*
simple ctdb test tool
This test just fetch_locks a record and releases it once.
Copyright (C) Ronnie Sahlberg 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "lib/tevent/tevent.h"
#include "system/filesys.h"
#include "popt.h"
#include "cmdline.h"
#include "ctdb_private.h"
static struct ctdb_db_context *ctdb_db;
char *TESTKEY = "testkey";
/*
Just try locking/unlocking a single record once
*/
static void fetch_lock_once(struct ctdb_context *ctdb, struct event_context *ev)
{
TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
TDB_DATA key, data;
struct ctdb_record_handle *h;
key.dptr = discard_const(TESTKEY);
key.dsize = strlen(TESTKEY);
printf("Trying to fetch lock the record ...\n");
h = ctdb_fetch_readonly_lock(ctdb_db, tmp_ctx, key, &data, true);
if (h == NULL) {
printf("Failed to fetch record '%s' on node %d\n",
(const char *)key.dptr, ctdb_get_pnn(ctdb));
talloc_free(tmp_ctx);
exit(10);
}
printf("Record fetchlocked.\n");
printf("Press enter to release the record ...\n");
(void)getchar();
talloc_free(tmp_ctx);
printf("Record released.\n");
}
/*
main program
*/
int main(int argc, const char *argv[])
{
struct ctdb_context *ctdb;
TDB_DATA key;
struct poptOption popt_options[] = {
POPT_AUTOHELP
POPT_CTDB_CMDLINE
{ "record", 'r', POPT_ARG_STRING, &TESTKEY, 0, "record", "string" },
POPT_TABLEEND
};
int opt, ret;
const char **extra_argv;
int extra_argc = 0;
poptContext pc;
struct event_context *ev;
pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
default:
fprintf(stderr, "Invalid option %s: %s\n",
poptBadOption(pc, 0), poptStrerror(opt));
exit(1);
}
}
/* setup the remaining options for the main program to use */
extra_argv = poptGetArgs(pc);
if (extra_argv) {
extra_argv++;
while (extra_argv[extra_argc]) extra_argc++;
}
ev = event_context_init(NULL);
ctdb = ctdb_cmdline_client(ev);
key.dptr = TESTKEY;
key.dsize = strlen(TESTKEY);
ret = ctdb_ctrl_getvnnmap(ctdb, timeval_zero(), CTDB_CURRENT_NODE, ctdb, &ctdb->vnn_map);
if (ret != 0) {
printf("failed to get vnnmap\n");
exit(10);
}
printf("Record:%s\n", TESTKEY);
printf("Lmaster : %d\n", ctdb_lmaster(ctdb, &key));
/* attach to a specific database */
ctdb_db = ctdb_attach(ctdb, "test.tdb", false, 0);
if (!ctdb_db) {
printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
exit(1);
}
printf("Waiting for cluster\n");
while (1) {
uint32_t recmode=1;
ctdb_ctrl_getrecmode(ctdb, ctdb, timeval_zero(), CTDB_CURRENT_NODE, &recmode);
if (recmode == 0) break;
event_loop_once(ev);
}
fetch_lock_once(ctdb, ev);
return 0;
}