summaryrefslogtreecommitdiffstats
path: root/ctdb/tests/ctdb_randrec.c
blob: 4b9b2bc93efe593dd73d15fa32558f0d47f41c52 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/* 
   create a lot of random records, both current records and deleted records

   Copyright (C) Andrew Tridgell  2008
	Ronnie sahlberg 2007

   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/events/events.h"
#include "system/filesys.h"
#include "popt.h"
#include "cmdline.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 num_records = 10;
static int delete_pct = 75;
static int base_rec;

static void store_records(struct ctdb_context *ctdb, struct event_context *ev)
{
	TDB_DATA key, data;
	struct ctdb_db_context *ctdb_db;
	TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
	int ret;
	struct ctdb_record_handle *h;
	uint32_t i=0;
	
	ctdb_db = ctdb_db_handle(ctdb, "test.tdb");

	srandom(time(NULL) ^ getpid());

	start_timer();

	printf("working with %d records\n", num_records);
	while (1) {
		unsigned r = random() % num_records;
		key.dptr = (uint8_t *)&r;
		key.dsize = sizeof(r); 

		h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
		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);
			return;
		}

		if (random() % 100 < delete_pct) {
			data.dptr = NULL;
			data.dsize = 0;
		} else {
			data.dptr = talloc_zero_size(h, data.dsize + sizeof(r));
			data.dsize += sizeof(r);
		}

		ret = ctdb_record_store(h, data);
		talloc_free(h);
		if (ret != 0) {
			printf("Failed to store record\n");
		}
		if (i % 1000 == 0) {
			printf("%7.0f recs/second   %u total\r", 1000.0 / end_timer(), i);
			fflush(stdout);
			start_timer();
		}
		i++;
	}

	talloc_free(tmp_ctx);
}

/*
  main program
*/
int main(int argc, const char *argv[])
{
	struct ctdb_context *ctdb;
	struct ctdb_db_context *ctdb_db;

	struct poptOption popt_options[] = {
		POPT_AUTOHELP
		POPT_CTDB_CMDLINE
		{ "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
		{ "base-rec", 'b', POPT_ARG_INT, &base_rec, 0, "base_rec", "integer" },
		{ "delete-pct", 'p', POPT_ARG_INT, &delete_pct, 0, "delete_pct", "integer" },
		POPT_TABLEEND
	};
	int opt;
	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);

	/* 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);
	}

	store_records(ctdb, ev);

	return 0;
}