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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/*
standalone ctdb daemon
Copyright (C) Andrew Tridgell 2006
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 "system/wait.h"
#include "cmdline.h"
#include "../include/ctdb_private.h"
static void block_signal(int signum)
{
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_handler = SIG_IGN;
sigemptyset(&act.sa_mask);
sigaddset(&act.sa_mask, signum);
sigaction(signum, &act, NULL);
}
static struct {
const char *nlist;
const char *transport;
const char *myaddress;
const char *public_address_list;
const char *public_interface;
const char *event_script;
const char *logfile;
const char *recovery_lock_file;
const char *db_dir;
} options = {
.nlist = ETCDIR "/ctdb/nodes",
.transport = "tcp",
.event_script = ETCDIR "/ctdb/events",
.logfile = VARDIR "/log/log.ctdb",
.db_dir = VARDIR "/ctdb",
};
/*
called by the transport layer when a packet comes in
*/
static void ctdb_recv_pkt(struct ctdb_context *ctdb, uint8_t *data, uint32_t length)
{
struct ctdb_req_header *hdr = (struct ctdb_req_header *)data;
ctdb->statistics.node_packets_recv++;
/* up the counter for this source node, so we know its alive */
if (ctdb_validate_vnn(ctdb, hdr->srcnode)) {
/* as a special case, redirected calls don't increment the rx_cnt */
if (hdr->operation != CTDB_REQ_CALL ||
((struct ctdb_req_call *)hdr)->hopcount == 0) {
ctdb->nodes[hdr->srcnode]->rx_cnt++;
}
}
ctdb_input_pkt(ctdb, hdr);
}
static const struct ctdb_upcalls ctdb_upcalls = {
.recv_pkt = ctdb_recv_pkt,
.node_dead = ctdb_node_dead,
.node_connected = ctdb_node_connected
};
/*
main program
*/
int main(int argc, const char *argv[])
{
struct ctdb_context *ctdb;
int interactive = 0;
struct poptOption popt_options[] = {
POPT_AUTOHELP
POPT_CTDB_CMDLINE
{ "interactive", 'i', POPT_ARG_NONE, &interactive, 0, "don't fork", NULL },
{ "public-addresses", 0, POPT_ARG_STRING, &options.public_address_list, 0, "public address list file", "filename" },
{ "public-interface", 0, POPT_ARG_STRING, &options.public_interface, 0, "public interface", "interface"},
{ "event-script", 0, POPT_ARG_STRING, &options.event_script, 0, "event script", "filename" },
{ "logfile", 0, POPT_ARG_STRING, &options.logfile, 0, "log file location", "filename" },
{ "nlist", 0, POPT_ARG_STRING, &options.nlist, 0, "node list file", "filename" },
{ "listen", 0, POPT_ARG_STRING, &options.myaddress, 0, "address to listen on", "address" },
{ "transport", 0, POPT_ARG_STRING, &options.transport, 0, "protocol transport", NULL },
{ "dbdir", 0, POPT_ARG_STRING, &options.db_dir, 0, "directory for the tdb files", NULL },
{ "reclock", 0, POPT_ARG_STRING, &options.recovery_lock_file, 0, "location of recovery lock file", "filename" },
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++;
}
if (!options.recovery_lock_file) {
DEBUG(0,("You must specifiy the location of a recovery lock file with --reclock\n"));
exit(1);
}
block_signal(SIGPIPE);
ev = event_context_init(NULL);
ctdb = ctdb_cmdline_init(ev);
ctdb->recovery_mode = CTDB_RECOVERY_NORMAL;
ctdb->recovery_master = (uint32_t)-1;
ctdb->upcalls = &ctdb_upcalls;
ctdb->idr = idr_init(ctdb);
ctdb->recovery_lock_fd = -1;
ctdb->monitoring_mode = CTDB_MONITORING_ACTIVE;
ctdb_tunables_set_defaults(ctdb);
ret = ctdb_set_recovery_lock_file(ctdb, options.recovery_lock_file);
if (ret == -1) {
printf("ctdb_set_recovery_lock_file failed - %s\n", ctdb_errstr(ctdb));
exit(1);
}
ret = ctdb_set_transport(ctdb, options.transport);
if (ret == -1) {
printf("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb));
exit(1);
}
/* tell ctdb what address to listen on */
if (options.myaddress) {
ret = ctdb_set_address(ctdb, options.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, options.nlist);
if (ret == -1) {
printf("ctdb_set_nlist failed - %s\n", ctdb_errstr(ctdb));
exit(1);
}
if (options.db_dir) {
ret = ctdb_set_tdb_dir(ctdb, options.db_dir);
if (ret == -1) {
printf("ctdb_set_tdb_dir failed - %s\n", ctdb_errstr(ctdb));
exit(1);
}
}
ret = ctdb_set_logfile(ctdb, options.logfile);
if (ret == -1) {
printf("ctdb_set_logfile to %s failed - %s\n", options.logfile, ctdb_errstr(ctdb));
exit(1);
}
if (options.public_interface) {
ctdb->takeover.interface = talloc_strdup(ctdb, options.public_interface);
CTDB_NO_MEMORY(ctdb, ctdb->takeover.interface);
}
if (options.public_address_list) {
ret = ctdb_set_public_addresses(ctdb, options.public_address_list);
if (ret == -1) {
printf("Unable to setup public address list\n");
exit(1);
}
ctdb->takeover.enabled = true;
}
ret = ctdb_set_event_script(ctdb, options.event_script);
if (ret == -1) {
printf("Unable to setup event script\n");
exit(1);
}
/* useful default logfile */
if (ctdb->logfile == NULL) {
char *name = talloc_asprintf(ctdb, "%s/log.ctdb.vnn%u",
VARDIR, ctdb->vnn);
ctdb_set_logfile(ctdb, name);
talloc_free(name);
}
/* start the protocol running (as a child) */
return ctdb_start_daemon(ctdb, interactive?False:True);
}
|
