ReadOnly: Add a test tool to fetch a record, requesting a readonly delegation and...

diff --git a/Makefile.in b/Makefile.in
index 646b4be0dc255f7ae56818444175465e613a0dff..9c5d364dacd2781b7b6287078a8dda878dd32a7d 100755 (executable)
--- a/Makefile.in
+++ b/Makefile.in
@@ -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)

diff --git a/tests/src/ctdb_fetch_readonly_once.c b/tests/src/ctdb_fetch_readonly_once.c
new file mode 100644 (file)
index 0000000..662f470
--- /dev/null
+++ b/tests/src/ctdb_fetch_readonly_once.c
@@ -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;
+}