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
|
/*
Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include "glusterd.h"
#include "glusterd-utils.h"
#include "glusterd-shd-svc-helper.h"
#include "glusterd-messages.h"
#include "glusterd-volgen.h"
void
glusterd_svc_build_shd_socket_filepath(glusterd_volinfo_t *volinfo, char *path,
int path_len)
{
char sockfilepath[PATH_MAX] = {
0,
};
char rundir[PATH_MAX] = {
0,
};
int32_t len = 0;
glusterd_conf_t *priv = THIS->private;
if (!priv)
return;
GLUSTERD_GET_SHD_RUNDIR(rundir, volinfo, priv);
len = snprintf(sockfilepath, sizeof(sockfilepath), "%s/run-%s", rundir,
uuid_utoa(MY_UUID));
if ((len < 0) || (len >= sizeof(sockfilepath))) {
sockfilepath[0] = 0;
}
glusterd_set_socket_filepath(sockfilepath, path, path_len);
}
void
glusterd_svc_build_shd_pidfile(glusterd_volinfo_t *volinfo, char *path,
int path_len)
{
char rundir[PATH_MAX] = {
0,
};
glusterd_conf_t *priv = THIS->private;
if (!priv)
return;
GLUSTERD_GET_SHD_RUNDIR(rundir, volinfo, priv);
snprintf(path, path_len, "%s/%s-shd.pid", rundir, volinfo->volname);
}
void
glusterd_svc_build_shd_volfile_path(glusterd_volinfo_t *volinfo, char *path,
int path_len)
{
char workdir[PATH_MAX] = {
0,
};
glusterd_conf_t *priv = THIS->private;
if (!priv)
return;
GLUSTERD_GET_VOLUME_DIR(workdir, volinfo, priv);
snprintf(path, path_len, "%s/%s-shd.vol", workdir, volinfo->volname);
}
void
glusterd_shd_svcproc_cleanup(glusterd_shdsvc_t *shd)
{
glusterd_svc_proc_t *svc_proc = NULL;
glusterd_svc_t *svc = NULL;
glusterd_conf_t *conf = NULL;
gf_boolean_t need_unref = _gf_false;
rpc_clnt_t *rpc = NULL;
conf = THIS->private;
if (!conf)
return;
GF_VALIDATE_OR_GOTO(THIS->name, conf, out);
GF_VALIDATE_OR_GOTO(THIS->name, shd, out);
svc = &shd->svc;
shd->attached = _gf_false;
if (svc->conn.rpc) {
rpc_clnt_unref(svc->conn.rpc);
svc->conn.rpc = NULL;
}
pthread_mutex_lock(&conf->attach_lock);
{
svc_proc = svc->svc_proc;
svc->svc_proc = NULL;
svc->inited = _gf_false;
cds_list_del_init(&svc->mux_svc);
glusterd_unlink_file(svc->proc.pidfile);
if (svc_proc && cds_list_empty(&svc_proc->svcs)) {
cds_list_del_init(&svc_proc->svc_proc_list);
/* We cannot free svc_proc list from here. Because
* if there are pending events on the rpc, it will
* try to access the corresponding svc_proc, so unrefing
* rpc request and then cleaning up the memory is carried
* from the notify function upon RPC_CLNT_DESTROY destroy.
*/
need_unref = _gf_true;
rpc = svc_proc->rpc;
svc_proc->rpc = NULL;
}
}
pthread_mutex_unlock(&conf->attach_lock);
/*rpc unref has to be performed outside the lock*/
if (need_unref && rpc)
rpc_clnt_unref(rpc);
out:
return;
}
int
glusterd_svc_set_shd_pidfile(glusterd_volinfo_t *volinfo, dict_t *dict)
{
int ret = -1;
glusterd_svc_t *svc = NULL;
xlator_t *this = NULL;
this = THIS;
GF_VALIDATE_OR_GOTO("glusterd", this, out);
GF_VALIDATE_OR_GOTO(this->name, volinfo, out);
GF_VALIDATE_OR_GOTO(this->name, dict, out);
svc = &(volinfo->shd.svc);
ret = dict_set_dynstr_with_alloc(dict, "pidfile", svc->proc.pidfile);
if (ret) {
gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED,
"Failed to set pidfile %s in dict", svc->proc.pidfile);
goto out;
}
ret = 0;
out:
return ret;
}
|
