r->hdr.srcnode = ctdb->vnn;
r->hdr.reqid = c->hdr.reqid;
r->db_id = c->db_id;
- r->dmaster = header->laccessor;
+ r->dmaster = c->hdr.srcnode;
r->keylen = key->dsize;
r->datalen = data->dsize;
memcpy(&r->data[0], key->dptr, key->dsize);
ctdb_send_error(ctdb, hdr, ret, "Unknown database in request. db_id==0x%08x",c->db_id);
return;
}
-
+
/* fetch the current record */
ret = ctdb_ltdb_fetch(ctdb_db, key, &header, &data2);
if (ret != 0) {
}
ctdb_db = state->ctdb_db;
-
data.dptr = c->data;
data.dsize = c->datalen;
*/
int ctdb_call_recv(struct ctdb_call_state *state, struct ctdb_call *call)
{
- struct ctdb_record_handle *rec = state->fetch_private;
+ struct ctdb_record_handle *rec;
+
+ while (state->state < CTDB_CALL_DONE) {
+ event_loop_once(state->node->ctdb->ev);
+ }
+ if (state->state != CTDB_CALL_DONE) {
+ ctdb_set_error(state->node->ctdb, "%s", state->errmsg);
+ talloc_free(state);
+ return -1;
+ }
+
+ rec = state->fetch_private;
/* ugly hack to manage forced migration */
if (rec != NULL) {
return 0;
}
- while (state->state < CTDB_CALL_DONE) {
- event_loop_once(state->node->ctdb->ev);
- }
- if (state->state != CTDB_CALL_DONE) {
- ctdb_set_error(state->node->ctdb, "%s", state->errmsg);
- talloc_free(state);
- return -1;
- }
if (state->call.reply_data.dsize) {
call->reply_data.dptr = talloc_memdup(state->node->ctdb,
state->call.reply_data.dptr,
rec->ctdb_db = ctdb_db;
rec->key = key;
rec->key.dptr = talloc_memdup(rec, key.dptr, key.dsize);
+ rec->data = data;
state = ctdb_call_send(ctdb_db, &call);
state->fetch_private = rec;
--- /dev/null
+/*
+ simple ctdb benchmark
+
+ Copyright (C) Andrew Tridgell 2006
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "system/filesys.h"
+#include "popt.h"
+
+#include <sys/time.h>
+#include <time.h>
+
+static struct timeval tp1,tp2;
+
+static void start_timer(void)
+{
+ gettimeofday(&tp1,NULL);
+}
+
+static double end_timer(void)
+{
+ gettimeofday(&tp2,NULL);
+ return (tp2.tv_sec + (tp2.tv_usec*1.0e-6)) -
+ (tp1.tv_sec + (tp1.tv_usec*1.0e-6));
+}
+
+
+static int timelimit = 10;
+static int num_records = 10;
+static int num_msgs = 1;
+
+static int msg_count;
+
+#define TESTKEY "testkey"
+
+/*
+ fetch a record
+ store a expanded record
+ send a message to next node to tell it to do the same
+*/
+static void bench_fetch_1node(struct ctdb_context *ctdb)
+{
+ TDB_DATA key, data, nulldata;
+ struct ctdb_record_handle *rec;
+ struct ctdb_db_context *ctdb_db;
+ TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
+ int dest, ret;
+
+ key.dptr = discard_const("testkey");
+ key.dsize = strlen((const char *)key.dptr);
+
+ ctdb_db = ctdb_db_handle(ctdb, "test.tdb");
+
+ rec = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
+ if (rec == NULL) {
+ printf("Failed to fetch record '%s' on node %d\n",
+ (const char *)key.dptr, ctdb_get_vnn(ctdb));
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ if (data.dsize > 1000) {
+ data.dsize = 0;
+ }
+
+ if (data.dsize == 0) {
+ data.dptr = (uint8_t *)talloc_asprintf(tmp_ctx, "Test data\n");
+ }
+ data.dptr = (uint8_t *)talloc_asprintf_append((char *)data.dptr,
+ "msg_count=%d on node %d\n",
+ msg_count, ctdb_get_vnn(ctdb));
+ data.dsize = strlen((const char *)data.dptr)+1;
+
+ ret = ctdb_record_store(rec, data);
+ if (ret != 0) {
+ printf("Failed to store record\n");
+ }
+
+ talloc_free(tmp_ctx);
+
+ /* tell the next node to do the same */
+ nulldata.dptr = NULL;
+ nulldata.dsize = 0;
+
+ dest = (ctdb_get_vnn(ctdb) + 1) % ctdb_get_num_nodes(ctdb);
+ ctdb_send_message(ctdb, dest, 0, nulldata);
+}
+
+/*
+ handler for messages in bench_ring()
+*/
+static void message_handler(struct ctdb_context *ctdb, uint32_t srvid,
+ TDB_DATA data, void *private)
+{
+ msg_count++;
+ bench_fetch_1node(ctdb);
+}
+
+
+/*
+ benchmark the following:
+
+ fetch a record
+ store a expanded record
+ send a message to next node to tell it to do the same
+
+*/
+static void bench_fetch(struct ctdb_context *ctdb, struct event_context *ev)
+{
+ int vnn=ctdb_get_vnn(ctdb);
+
+ if (vnn == ctdb_get_num_nodes(ctdb)-1) {
+ bench_fetch_1node(ctdb);
+ }
+
+ start_timer();
+
+ while (end_timer() < timelimit) {
+ if (vnn == 0 && msg_count % 100 == 0) {
+ printf("Fetch: %.2f msgs/sec\r", msg_count/end_timer());
+ fflush(stdout);
+ }
+ if (event_loop_once(ev) != 0) {
+ printf("Event loop failed!\n");
+ break;
+ }
+ }
+
+ printf("Fetch: %.2f msgs/sec\n", msg_count/end_timer());
+}
+
+enum my_functions {FUNC_FETCH=1};
+
+/*
+ ctdb call function to fetch a record
+*/
+static int fetch_func(struct ctdb_call_info *call)
+{
+ call->reply_data = &call->record_data;
+ return 0;
+}
+
+/*
+ main program
+*/
+int main(int argc, const char *argv[])
+{
+ struct ctdb_context *ctdb;
+ struct ctdb_db_context *ctdb_db;
+ const char *nlist = NULL;
+ const char *transport = "tcp";
+ const char *myaddress = NULL;
+ int self_connect=0;
+
+ struct poptOption popt_options[] = {
+ POPT_AUTOHELP
+ { "nlist", 0, POPT_ARG_STRING, &nlist, 0, "node list file", "filename" },
+ { "listen", 0, POPT_ARG_STRING, &myaddress, 0, "address to listen on", "address" },
+ { "transport", 0, POPT_ARG_STRING, &transport, 0, "protocol transport", NULL },
+ { "self-connect", 0, POPT_ARG_NONE, &self_connect, 0, "enable self connect", "boolean" },
+ { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
+ { "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
+ { "num-msgs", 'n', POPT_ARG_INT, &num_msgs, 0, "num_msgs", "integer" },
+ POPT_TABLEEND
+ };
+ int opt;
+ const char **extra_argv;
+ int extra_argc = 0;
+ int ret;
+ poptContext pc;
+ struct event_context *ev;
+ struct ctdb_call call;
+
+ 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++;
+ }
+
+ if (nlist == NULL || myaddress == NULL) {
+ printf("You must provide a node list with --nlist and an address with --listen\n");
+ exit(1);
+ }
+
+ ev = event_context_init(NULL);
+
+ /* initialise ctdb */
+ ctdb = ctdb_init(ev);
+ if (ctdb == NULL) {
+ printf("Failed to init ctdb\n");
+ exit(1);
+ }
+
+ if (self_connect) {
+ ctdb_set_flags(ctdb, CTDB_FLAG_SELF_CONNECT);
+ }
+
+ ret = ctdb_set_transport(ctdb, transport);
+ if (ret == -1) {
+ printf("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ /* tell ctdb what address to listen on */
+ ret = ctdb_set_address(ctdb, myaddress);
+ if (ret == -1) {
+ printf("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ /* tell ctdb what nodes are available */
+ ret = ctdb_set_nlist(ctdb, nlist);
+ if (ret == -1) {
+ printf("ctdb_set_nlist failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ /* attach to a specific database */
+ ctdb_db = ctdb_attach(ctdb, "test.tdb", TDB_DEFAULT, O_RDWR|O_CREAT|O_TRUNC, 0666);
+ if (!ctdb_db) {
+ printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ ret = ctdb_set_call(ctdb_db, fetch_func, FUNC_FETCH);
+
+ ctdb_set_message_handler(ctdb, message_handler, &msg_count);
+
+ /* start the protocol running */
+ ret = ctdb_start(ctdb);
+
+ /* wait until all nodes are connected (should not be needed
+ outside of test code) */
+ ctdb_connect_wait(ctdb);
+
+ bench_fetch(ctdb, ev);
+
+ ZERO_STRUCT(call);
+ call.key.dptr = discard_const(TESTKEY);
+ call.key.dsize = strlen(TESTKEY);
+
+ /* fetch the record */
+ call.call_id = FUNC_FETCH;
+ call.call_data.dptr = NULL;
+ call.call_data.dsize = 0;
+
+ ret = ctdb_call(ctdb_db, &call);
+ if (ret == -1) {
+ printf("ctdb_call FUNC_FETCH failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ printf("DATA:\n%s\n", (char *)call.reply_data.dptr);
+
+ /* shut it down */
+ talloc_free(ctdb);
+ return 0;
+}
projects / thirdparty / samba.git / commitdiff
