summaryrefslogtreecommitdiff
path: root/source4/cluster/ctdb/tests/ctdb_test.c
blob: 8125cc44904ca497c069e4e20b1e634fb9f1ce87 (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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
/* 
   ctdb test harness

   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 "tests/cmdline.h"

enum my_functions {FUNC_SORT=1, FUNC_FETCH=2};

static int int_compare(int *i1, int *i2)
{
	return *i1 - *i2;
}

/*
  add an integer into a record in sorted order
*/
static int sort_func(struct ctdb_call_info *call)
{
	if (call->call_data == NULL ||
	    call->call_data->dsize != sizeof(int)) {
		return CTDB_ERR_INVALID;
	}
	call->new_data = talloc(call, TDB_DATA);
	if (call->new_data == NULL) {
		return CTDB_ERR_NOMEM;
	}
	call->new_data->dptr = talloc_size(call, 
					   call->record_data.dsize + 
					   call->call_data->dsize);
	if (call->new_data->dptr == NULL) {
		return CTDB_ERR_NOMEM;
	}
	call->new_data->dsize = call->record_data.dsize + call->call_data->dsize;
	memcpy(call->new_data->dptr,
	       call->record_data.dptr, call->record_data.dsize);
	memcpy(call->new_data->dptr+call->record_data.dsize,
	       call->call_data->dptr, call->call_data->dsize);

	qsort(call->new_data->dptr, call->new_data->dsize / sizeof(int),
	      sizeof(int), (comparison_fn_t)int_compare);

	return 0;
}

/*
  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;

	struct poptOption popt_options[] = {
		POPT_AUTOHELP
		POPT_CTDB_CMDLINE
		POPT_TABLEEND
	};
	int opt;
	const char **extra_argv;
	int extra_argc = 0;
	int i, 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++;
	}

	ev = event_context_init(NULL);

	/* initialise ctdb */
	ctdb = ctdb_cmdline_init(ev);
	if (ctdb == NULL) {
		printf("Failed to init ctdb\n");
		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);
	}

	/* setup a ctdb call function */
	ret = ctdb_set_call(ctdb_db, sort_func,  FUNC_SORT);
	ret = ctdb_set_call(ctdb_db, fetch_func, FUNC_FETCH);

	/* start the protocol running */
	ret = ctdb_start(ctdb);

	ZERO_STRUCT(call);
	call.key.dptr = discard_const("test");
	call.key.dsize = strlen("test")+1;

	/* add some random data */
	for (i=0;i<10;i++) {
		int v = random() % 1000;

		call.call_id = FUNC_SORT;
		call.call_data.dptr = (uint8_t *)&v;
		call.call_data.dsize = sizeof(v);

		ret = ctdb_call(ctdb_db, &call);
		if (ret == -1) {
			printf("ctdb_call FUNC_SORT failed - %s\n", ctdb_errstr(ctdb));
			exit(1);
		}
	}

	/* 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);
	}

	for (i=0;i<call.reply_data.dsize/sizeof(int);i++) {
		printf("%3d\n", ((int *)call.reply_data.dptr)[i]);
	}
	talloc_free(call.reply_data.dptr);

	/* go into a wait loop to allow other nodes to complete */
	ctdb_wait_loop(ctdb);

	/*talloc_report_full(ctdb, stdout);*/

/* sleep for a while so that our daemon will remaining alive for the other nodes in the cluster */
sleep(10);

	/* shut it down */
	talloc_free(ctdb);
	return 0;
}