+++ /dev/null
-/*
- 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 "replace.h"
-#include "system/filesys.h"
-#include "system/network.h"
-
-#include <popt.h>
-#include <talloc.h>
-#include <tevent.h>
-#include <tdb.h>
-
-#include "lib/util/time.h"
-
-#include "ctdb_private.h"
-#include "ctdb_client.h"
-
-#include "common/common.h"
-#include "common/cmdline.h"
-
-const char *TESTKEY = "testkey";
-
-/*
- Just try locking/unlocking a single record once
-*/
-static void fetch_readonly_once(struct ctdb_context *ctdb, struct ctdb_db_context *ctdb_db, TDB_DATA key)
-{
- TDB_DATA data;
- struct ctdb_record_handle *h;
-
- printf("Trying to readonly fetch lock the record ...\n");
-
- h = ctdb_fetch_readonly_lock(ctdb_db, ctdb, key, &data, 1);
- if (h == NULL) {
- fprintf(stderr, "Failed to get readonly lock\n");
- exit(1);
- }
-
- talloc_free(h);
- printf("Record released.\n");
-}
-
-/*
- main program
-*/
-int main(int argc, const char *argv[])
-{
- struct ctdb_context *ctdb;
- struct ctdb_db_context *ctdb_db;
- struct tevent_context *ev;
-
- TDB_DATA key;
-
- struct poptOption popt_options[] = {
- POPT_AUTOHELP
- { "record", 'r', POPT_ARG_STRING, &TESTKEY, 0, "record", "string" },
- POPT_TABLEEND
- };
- int opt;
- const char **extra_argv;
- int extra_argc = 0;
- poptContext pc;
-
- 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 = tevent_context_init(NULL);
-
- ctdb = ctdb_cmdline_client(ev, timeval_current_ofs(3, 0));
- if (ctdb == NULL) {
- printf("failed to connect to ctdb daemon.\n");
- exit(1);
- }
-
- key.dptr = discard_const(TESTKEY);
- key.dsize = strlen(TESTKEY);
-
- /* attach to a specific database */
- ctdb_db = ctdb_attach(ctdb, timeval_current_ofs(3, 0), "test.tdb",
- false, 0);
- if (!ctdb_db) {
- fprintf(stderr, "ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
- exit(10);
- }
-
- 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;
- tevent_loop_once(ev);
- }
-
- fetch_readonly_once(ctdb, ctdb_db, key);
-
- return 0;
-}
--- /dev/null
+/*
+ Fetch a single record using readonly
+
+ Copyright (C) Amitay Isaacs 2016
+
+ 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 "replace.h"
+#include "system/network.h"
+
+#include "lib/util/tevent_unix.h"
+
+#include "client/client.h"
+#include "tests/src/test_options.h"
+#include "tests/src/cluster_wait.h"
+
+
+struct fetch_readonly_state {
+ struct tevent_context *ev;
+};
+
+static void fetch_readonly_done(struct tevent_req *subreq);
+
+static struct tevent_req *fetch_readonly_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct ctdb_client_context *client,
+ struct ctdb_db_context *db,
+ const char *keystr,
+ int timelimit)
+{
+ struct tevent_req *req, *subreq;
+ struct fetch_readonly_state *state;
+ TDB_DATA key;
+
+ req = tevent_req_create(mem_ctx, &state, struct fetch_readonly_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ state->ev = ev;
+
+ key.dptr = (uint8_t *)discard_const(keystr);
+ key.dsize = strlen(keystr);
+
+ subreq = ctdb_fetch_lock_send(state, ev, client, db, key, true);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, fetch_readonly_done, req);
+
+ return req;
+}
+
+static void fetch_readonly_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct fetch_readonly_state *state = tevent_req_data(
+ req, struct fetch_readonly_state);
+ struct ctdb_record_handle *h;
+ int ret;
+
+ h = ctdb_fetch_lock_recv(subreq, NULL, state, NULL, &ret);
+ TALLOC_FREE(subreq);
+ if (h == NULL) {
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ talloc_free(h);
+ tevent_req_done(req);
+}
+
+static bool fetch_readonly_recv(struct tevent_req *req, int *perr)
+{
+ int err;
+
+ if (tevent_req_is_unix_error(req, &err)) {
+ if (perr != NULL) {
+ *perr = err;
+ }
+ return false;
+ }
+ return true;
+}
+
+int main(int argc, const char *argv[])
+{
+ const struct test_options *opts;
+ TALLOC_CTX *mem_ctx;
+ struct tevent_context *ev;
+ struct ctdb_client_context *client;
+ struct ctdb_db_context *ctdb_db;
+ struct tevent_req *req;
+ int ret;
+ bool status;
+
+ status = process_options_database(argc, argv, &opts);
+ if (! status) {
+ exit(1);
+ }
+
+ mem_ctx = talloc_new(NULL);
+ if (mem_ctx == NULL) {
+ fprintf(stderr, "Memory allocation error\n");
+ exit(1);
+ }
+
+ ev = tevent_context_init(mem_ctx);
+ if (ev == NULL) {
+ fprintf(stderr, "Memory allocation error\n");
+ exit(1);
+ }
+
+ ret = ctdb_client_init(mem_ctx, ev, opts->socket, &client);
+ if (ret != 0) {
+ fprintf(stderr, "Failed to initialize client, %s\n",
+ strerror(ret));
+ exit(1);
+ }
+
+ if (! ctdb_recovery_wait(ev, client)) {
+ fprintf(stderr, "Memory allocation error\n");
+ exit(1);
+ }
+
+ ret = ctdb_attach(ev, client, tevent_timeval_zero(), opts->dbname, 0,
+ &ctdb_db);
+ if (ret != 0) {
+ fprintf(stderr, "Failed to attach to DB %s\n", opts->dbname);
+ exit(1);
+ }
+
+ req = fetch_readonly_send(mem_ctx, ev, client, ctdb_db,
+ opts->keystr, opts->timelimit);
+ if (req == NULL) {
+ fprintf(stderr, "Memory allocation error\n");
+ exit(1);
+ }
+
+ tevent_req_poll(req, ev);
+
+ status = fetch_readonly_recv(req, &ret);
+ if (! status) {
+ fprintf(stderr, "fetch readonly loop test failed\n");
+ exit(1);
+ }
+
+ talloc_free(mem_ctx);
+ return 0;
+}
git.samba.org / samba.git / commitdiff