1 /*
2 * SysDB - src/frontend/store.c
3 * Copyright (C) 2015 Sebastian 'tokkee' Harl <sh@tokkee.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
28 #include "sysdb.h"
30 #include "core/store.h"
31 #include "frontend/connection-private.h"
32 #include "utils/error.h"
33 #include "utils/proto.h"
34 #include "utils/strbuf.h"
36 #include <ctype.h>
37 #include <string.h>
39 /*
40 * private helper functions
41 */
43 static int
44 store_reply(sdb_conn_t *conn, int type, const char *name, int status)
45 {
46 if (status < 0) {
47 sdb_strbuf_sprintf(conn->errbuf, "STORE: Failed to store %s object",
48 SDB_STORE_TYPE_TO_NAME(type));
49 return -1;
50 }
52 if (! status) {
53 char msg[strlen(name) + 64];
54 snprintf(msg, sizeof(msg), "Successfully stored %s %s",
55 SDB_STORE_TYPE_TO_NAME(type), name);
56 msg[sizeof(msg) - 1] = '\0';
57 sdb_connection_send(conn, SDB_CONNECTION_OK,
58 (uint32_t)strlen(msg), msg);
59 }
60 else {
61 char msg[strlen(name) + 64];
62 snprintf(msg, sizeof(msg), "%s %s already up to date",
63 SDB_STORE_TYPE_TO_NAME(type), name);
64 msg[0] = (char)toupper((int)msg[0]);
65 msg[sizeof(msg) - 1] = '\0';
66 sdb_connection_send(conn, SDB_CONNECTION_OK,
67 (uint32_t)strlen(msg), msg);
68 }
69 return 0;
70 } /* store_reply */
72 /*
73 * public API
74 */
76 int
77 sdb_fe_store(sdb_conn_t *conn)
78 {
79 uint32_t type;
81 const char *buf = sdb_strbuf_string(conn->buf);
82 size_t len = conn->cmd_len;
83 ssize_t n;
85 if ((! conn) || (conn->cmd != SDB_CONNECTION_STORE))
86 return -1;
88 if ((n = sdb_proto_unmarshal_int32(buf, len, &type)) < 0) {
89 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %zu for "
90 "STORE command", len);
91 sdb_strbuf_sprintf(conn->errbuf,
92 "STORE: Invalid command length %zu", len);
93 return -1;
94 }
95 buf += n; len -= n;
97 switch (type) {
98 case SDB_HOST:
99 {
100 sdb_proto_host_t host;
101 if (sdb_proto_unmarshal_host(buf, len, &host) < 0) {
102 sdb_strbuf_sprintf(conn->errbuf,
103 "STORE: Failed to unmarshal host object");
104 return -1;
105 }
106 return sdb_fe_store_host(conn, &host);
107 }
108 case SDB_SERVICE:
109 {
110 sdb_proto_service_t svc;
111 if (sdb_proto_unmarshal_service(buf, len, &svc) < 0) {
112 sdb_strbuf_sprintf(conn->errbuf,
113 "STORE: Failed to unmarshal service object");
114 return -1;
115 }
116 return sdb_fe_store_service(conn, &svc);
117 }
118 case SDB_METRIC:
119 {
120 sdb_proto_metric_t metric;
121 if (sdb_proto_unmarshal_metric(buf, len, &metric) < 0) {
122 sdb_strbuf_sprintf(conn->errbuf,
123 "STORE: Failed to unmarshal metric object");
124 return -1;
125 }
126 return sdb_fe_store_metric(conn, &metric);
127 }
128 case SDB_ATTRIBUTE:
129 {
130 sdb_proto_attribute_t attr;
131 if (sdb_proto_unmarshal_attribute(buf, len, &attr) < 0) {
132 sdb_strbuf_sprintf(conn->errbuf,
133 "STORE: Failed to unmarshal attribute object");
134 return -1;
135 }
136 return sdb_fe_store_attribute(conn, &attr);
137 }
138 }
140 sdb_log(SDB_LOG_ERR, "frontend: Invalid object type %d for "
141 "STORE COMMAND", type);
142 sdb_strbuf_sprintf(conn->errbuf, "STORE: Invalid object type %d", type);
143 return -1;
144 } /* sdb_fe_store */
146 int
147 sdb_fe_store_host(sdb_conn_t *conn, const sdb_proto_host_t *host)
148 {
149 if ((! conn) || (! host) || (! host->name))
150 return -1;
152 return store_reply(conn, SDB_HOST, host->name,
153 sdb_store_host(host->name, host->last_update));
154 } /* sdb_fe_store_host */
156 int
157 sdb_fe_store_service(sdb_conn_t *conn, const sdb_proto_service_t *svc)
158 {
159 char name[svc ? strlen(svc->hostname) + strlen(svc->name) + 2 : 2];
161 if ((! conn) || (! svc) || (! svc->hostname) || (! svc->name))
162 return -1;
164 snprintf(name, sizeof(name), svc->hostname, svc->name);
165 return store_reply(conn, SDB_SERVICE, name,
166 sdb_store_service(svc->hostname, svc->name, svc->last_update));
167 } /* sdb_fe_store_service */
169 int
170 sdb_fe_store_metric(sdb_conn_t *conn, const sdb_proto_metric_t *metric)
171 {
172 sdb_metric_store_t store;
173 char name[metric ? strlen(metric->hostname) + strlen(metric->name) + 2 : 2];
175 if ((! conn) || (! metric) || (! metric->hostname) || (! metric->name))
176 return -1;
178 store.type = metric->store_type;
179 store.id = metric->store_id;
180 snprintf(name, sizeof(name), metric->hostname, metric->name);
181 return store_reply(conn, SDB_METRIC, name,
182 sdb_store_metric(metric->hostname, metric->name,
183 &store, metric->last_update));
184 } /* sdb_fe_store_metric */
186 int
187 sdb_fe_store_attribute(sdb_conn_t *conn, const sdb_proto_attribute_t *attr)
188 {
189 char name[attr ? strlen(attr->parent) + strlen(attr->key) + 2 : 2];
190 int status;
192 if ((! conn) || (! attr) || (! attr->parent) || (! attr->key))
193 return -1;
195 if (attr->parent_type == SDB_HOST)
196 status = sdb_store_attribute(attr->parent,
197 attr->key, &attr->value, attr->last_update);
198 else if (attr->parent_type == SDB_SERVICE)
199 status = sdb_store_service_attr(attr->hostname, attr->parent,
200 attr->key, &attr->value, attr->last_update);
201 else if (attr->parent_type == SDB_METRIC)
202 status = sdb_store_metric_attr(attr->hostname, attr->parent,
203 attr->key, &attr->value, attr->last_update);
204 else {
205 sdb_strbuf_sprintf(conn->errbuf,
206 "STORE: Invalid parent object type %d",
207 attr->parent_type);
208 return -1;
209 }
211 snprintf(name, sizeof(name), "%s.%s", attr->parent, attr->key);
212 return store_reply(conn, attr->parent_type | SDB_ATTRIBUTE, name, status);
213 } /* sdb_fe_store_attribute */
215 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */