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984263bc MD |
1 | /*- |
2 | * Copyright (c) 1993, John Brezak | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
1de703da MD |
32 | * |
33 | * $FreeBSD: src/usr.bin/rup/rup.c,v 1.11.2.2 2001/07/02 23:43:04 mikeh Exp $ | |
fb4ea457 | 34 | * $DragonFly: src/usr.bin/rup/rup.c,v 1.5 2005/08/04 18:21:25 liamfoy Exp $ |
984263bc | 35 | */ |
984263bc MD |
36 | #include <sys/param.h> |
37 | #include <sys/socket.h> | |
71e2da83 LF |
38 | |
39 | #include <arpa/inet.h> | |
984263bc MD |
40 | #include <rpc/rpc.h> |
41 | #include <rpc/pmap_clnt.h> | |
984263bc MD |
42 | #undef FSHIFT /* Use protocol's shift and scale values */ |
43 | #undef FSCALE | |
44 | #include <rpcsvc/rstat.h> | |
45 | ||
71e2da83 LF |
46 | #include <err.h> |
47 | #include <netdb.h> | |
48 | #include <stdio.h> | |
49 | #include <stdlib.h> | |
50 | #include <string.h> | |
51 | #include <time.h> | |
52 | #include <unistd.h> | |
53 | ||
984263bc MD |
54 | #define HOST_WIDTH 15 |
55 | ||
56 | struct host_list { | |
57 | struct host_list *next; | |
58 | struct in_addr addr; | |
59 | } *hosts; | |
60 | ||
2ffa3c11 JS |
61 | static int |
62 | search_host(struct in_addr addr) | |
984263bc MD |
63 | { |
64 | struct host_list *hp; | |
65 | ||
2ffa3c11 | 66 | if (hosts == NULL) |
984263bc MD |
67 | return(0); |
68 | ||
69 | for (hp = hosts; hp != NULL; hp = hp->next) { | |
70 | if (hp->addr.s_addr == addr.s_addr) | |
71 | return(1); | |
72 | } | |
73 | return(0); | |
74 | } | |
75 | ||
2ffa3c11 JS |
76 | static void |
77 | remember_host(struct in_addr addr) | |
984263bc MD |
78 | { |
79 | struct host_list *hp; | |
80 | ||
2ffa3c11 JS |
81 | if ((hp = malloc(sizeof(struct host_list))) == NULL) |
82 | err(1, "malloc failed"); | |
984263bc MD |
83 | hp->addr.s_addr = addr.s_addr; |
84 | hp->next = hosts; | |
85 | hosts = hp; | |
86 | } | |
87 | ||
2ffa3c11 | 88 | static int |
984263bc MD |
89 | rstat_reply(char *replyp, struct sockaddr_in *raddrp) |
90 | { | |
91 | struct tm *tmp_time; | |
92 | struct tm host_time; | |
93 | struct tm host_uptime; | |
94 | char days_buf[16]; | |
95 | char hours_buf[16]; | |
96 | struct hostent *hp; | |
97 | char *host; | |
98 | statstime *host_stat = (statstime *)replyp; | |
99 | ||
100 | if (search_host(raddrp->sin_addr)) | |
101 | return(0); | |
102 | ||
15b85273 SW |
103 | hp = gethostbyaddr(&raddrp->sin_addr.s_addr, sizeof(struct in_addr), |
104 | AF_INET); | |
984263bc MD |
105 | if (hp) |
106 | host = hp->h_name; | |
107 | else | |
108 | host = inet_ntoa(raddrp->sin_addr); | |
109 | ||
110 | /* truncate hostname to fit nicely into field */ | |
111 | if (strlen(host) > HOST_WIDTH) | |
112 | host[HOST_WIDTH] = '\0'; | |
113 | ||
114 | printf("%-*s\t", HOST_WIDTH, host); | |
115 | ||
116 | tmp_time = localtime((time_t *)&host_stat->curtime.tv_sec); | |
117 | host_time = *tmp_time; | |
118 | ||
119 | host_stat->curtime.tv_sec -= host_stat->boottime.tv_sec; | |
120 | ||
121 | tmp_time = gmtime((time_t *)&host_stat->curtime.tv_sec); | |
122 | host_uptime = *tmp_time; | |
123 | ||
124 | #define updays (host_stat->curtime.tv_sec / 86400) | |
125 | if (host_uptime.tm_yday != 0) | |
2ffa3c11 | 126 | snprintf(days_buf, sizeof days_buf, "%3d day%s, ", updays, |
984263bc MD |
127 | (updays > 1) ? "s" : ""); |
128 | else | |
129 | days_buf[0] = '\0'; | |
130 | ||
131 | if (host_uptime.tm_hour != 0) | |
2ffa3c11 | 132 | snprintf(hours_buf, sizeof hours_buf, "%2d:%02d, ", |
984263bc | 133 | host_uptime.tm_hour, host_uptime.tm_min); |
2ffa3c11 JS |
134 | else if (host_uptime.tm_min != 0) |
135 | snprintf(hours_buf, sizeof hours_buf, "%2d mins, ", | |
136 | host_uptime.tm_min); | |
137 | else if (host_stat->curtime.tv_sec < 60) | |
138 | snprintf(hours_buf, sizeof hours_buf, "%2d secs, ", | |
139 | host_uptime.tm_sec); | |
984263bc | 140 | else |
2ffa3c11 | 141 | hours_buf[0] = '\0'; |
984263bc MD |
142 | |
143 | printf(" %2d:%02d%cm up %9.9s%9.9s load average: %.2f %.2f %.2f\n", | |
144 | (host_time.tm_hour % 12) ? host_time.tm_hour % 12 : 12, | |
145 | host_time.tm_min, | |
146 | (host_time.tm_hour >= 12) ? 'p' : 'a', | |
147 | days_buf, | |
148 | hours_buf, | |
149 | (double)host_stat->avenrun[0]/FSCALE, | |
150 | (double)host_stat->avenrun[1]/FSCALE, | |
151 | (double)host_stat->avenrun[2]/FSCALE); | |
152 | ||
153 | remember_host(raddrp->sin_addr); | |
154 | return(0); | |
155 | } | |
156 | ||
2ffa3c11 | 157 | static int |
71e2da83 | 158 | onehost(const char *host) |
984263bc MD |
159 | { |
160 | CLIENT *rstat_clnt; | |
161 | statstime host_stat; | |
162 | struct sockaddr_in addr; | |
163 | struct hostent *hp; | |
164 | struct timeval tv; | |
165 | ||
166 | hp = gethostbyname(host); | |
167 | if (hp == NULL) { | |
2ffa3c11 | 168 | herror("rup"); |
fb4ea457 | 169 | return(1); |
984263bc MD |
170 | } |
171 | ||
172 | rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp"); | |
173 | if (rstat_clnt == NULL) { | |
2ffa3c11 | 174 | clnt_pcreateerror(host); |
fb4ea457 | 175 | return(1); |
984263bc MD |
176 | } |
177 | ||
2ffa3c11 | 178 | bzero(&host_stat, sizeof(host_stat)); |
984263bc MD |
179 | tv.tv_sec = 15; /* XXX ??? */ |
180 | tv.tv_usec = 0; | |
71e2da83 | 181 | if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL, (xdrproc_t)xdr_statstime, &host_stat, tv) != RPC_SUCCESS) { |
2ffa3c11 | 182 | clnt_perror(rstat_clnt, host); |
984263bc | 183 | clnt_destroy(rstat_clnt); |
fb4ea457 | 184 | return(1); |
984263bc MD |
185 | } |
186 | ||
187 | addr.sin_addr.s_addr = *(int *)hp->h_addr; | |
188 | rstat_reply((char *)&host_stat, &addr); | |
189 | clnt_destroy(rstat_clnt); | |
190 | return (0); | |
191 | } | |
192 | ||
2ffa3c11 JS |
193 | static void |
194 | allhosts(void) | |
984263bc MD |
195 | { |
196 | statstime host_stat; | |
197 | enum clnt_stat clnt_stat; | |
198 | ||
199 | clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS, | |
200 | xdr_void, NULL, | |
71e2da83 | 201 | (xdrproc_t)xdr_statstime, (char *)&host_stat, rstat_reply); |
984263bc MD |
202 | if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) |
203 | errx(1, "%s", clnt_sperrno(clnt_stat)); | |
204 | } | |
205 | ||
206 | static void | |
2ffa3c11 | 207 | usage(void) |
984263bc MD |
208 | { |
209 | fprintf(stderr, "usage: rup [hosts ...]\n"); | |
210 | exit(1); | |
211 | } | |
212 | ||
213 | int | |
214 | main(int argc, char *argv[]) | |
215 | { | |
fb4ea457 | 216 | int ch, retval; |
984263bc | 217 | |
fb4ea457 | 218 | retval = 0; |
2ffa3c11 | 219 | while ((ch = getopt(argc, argv, "")) != -1) |
984263bc MD |
220 | switch (ch) { |
221 | default: | |
222 | usage(); | |
223 | /*NOTREACHED*/ | |
224 | } | |
225 | ||
226 | setlinebuf(stdout); | |
227 | if (argc == optind) | |
228 | allhosts(); | |
229 | else { | |
230 | for (; optind < argc; optind++) | |
fb4ea457 | 231 | retval += onehost(argv[optind]); |
984263bc | 232 | } |
fb4ea457 | 233 | exit(retval ? 1 : 0); |
984263bc | 234 | } |