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ef416fc2 | 1 | /* |
2 | * "$Id: testspeed.c 4800 2005-10-18 18:06:20Z mike $" | |
3 | * | |
4 | * Scheduler speed test for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 1997-2005 by Easy Software Products. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * Contents: | |
25 | * | |
26 | * main() - Send multiple IPP requests and report on the average response | |
27 | * time. | |
28 | */ | |
29 | ||
30 | /* | |
31 | * Include necessary headers... | |
32 | */ | |
33 | ||
34 | #include <stdio.h> | |
35 | #include <stdlib.h> | |
36 | #include <ctype.h> | |
37 | #include <sys/types.h> | |
38 | #include <sys/time.h> | |
39 | #include <sys/wait.h> | |
40 | #include <cups/cups.h> | |
41 | #include <cups/language.h> | |
42 | #include <cups/debug.h> | |
43 | #include <errno.h> | |
44 | ||
45 | ||
46 | /* | |
47 | * Local functions... | |
48 | */ | |
49 | ||
50 | int do_test(const char *server, http_encryption_t encryption, | |
51 | int requests, int verbose); | |
52 | void usage(void); | |
53 | ||
54 | ||
55 | /* | |
56 | * 'main()' - Send multiple IPP requests and report on the average response | |
57 | * time. | |
58 | */ | |
59 | ||
60 | int | |
61 | main(int argc, /* I - Number of command-line arguments */ | |
62 | char *argv[]) /* I - Command-line arguments */ | |
63 | { | |
64 | int i; /* Looping var */ | |
65 | const char *server; /* Server to use */ | |
66 | http_encryption_t encryption; /* Encryption to use */ | |
67 | int requests; /* Number of requests to send */ | |
68 | int children; /* Number of children to fork */ | |
69 | int pid; /* Child PID */ | |
70 | int status; /* Child status */ | |
71 | time_t start, /* Start time */ | |
72 | end; /* End time */ | |
73 | double elapsed; /* Elapsed time */ | |
74 | int verbose; /* Verbosity */ | |
75 | ||
76 | ||
77 | /* | |
78 | * Parse command-line options... | |
79 | */ | |
80 | ||
81 | requests = 100; | |
82 | children = 5; | |
83 | server = cupsServer(); | |
84 | encryption = HTTP_ENCRYPT_IF_REQUESTED; | |
85 | verbose = 0; | |
86 | ||
87 | for (i = 1; i < argc; i ++) | |
88 | if (!strcmp(argv[i], "-c")) | |
89 | { | |
90 | i ++; | |
91 | if (i >= argc) | |
92 | usage(); | |
93 | ||
94 | children = atoi(argv[i]); | |
95 | } | |
96 | else if (!strcmp(argv[i], "-r")) | |
97 | { | |
98 | i ++; | |
99 | if (i >= argc) | |
100 | usage(); | |
101 | ||
102 | requests = atoi(argv[i]); | |
103 | } | |
104 | else if (!strcmp(argv[i], "-E")) | |
105 | encryption = HTTP_ENCRYPT_REQUIRED; | |
106 | else if (!strcmp(argv[i], "-v")) | |
107 | verbose ++; | |
108 | else if (argv[i][0] == '-') | |
109 | usage(); | |
110 | else | |
111 | server = argv[i]; | |
112 | ||
113 | /* | |
114 | * Then create child processes to act as clients... | |
115 | */ | |
116 | ||
117 | printf("testspeed: Simulating %d clients with %d requests to %s with %s encryption...\n", | |
118 | children, requests, server, | |
119 | encryption == HTTP_ENCRYPT_IF_REQUESTED ? "no" : ""); | |
120 | ||
121 | start = time(NULL); | |
122 | ||
123 | if (children == 1) | |
124 | { | |
125 | do_test(server, encryption, requests, verbose); | |
126 | } | |
127 | else | |
128 | { | |
129 | for (i = 0; i < children; i ++) | |
130 | if ((pid = fork()) == 0) | |
131 | { | |
132 | /* | |
133 | * Child goes here... | |
134 | */ | |
135 | ||
136 | exit(do_test(server, encryption, requests, verbose)); | |
137 | } | |
138 | else if (pid < 0) | |
139 | { | |
140 | perror("fork failed"); | |
141 | break; | |
142 | } | |
143 | else | |
144 | printf("testspeed(%d): Started...\n", pid); | |
145 | ||
146 | /* | |
147 | * Wait for children to finish... | |
148 | */ | |
149 | ||
150 | for (;;) | |
151 | { | |
152 | pid = wait(&status); | |
153 | ||
154 | if (pid < 0 && errno != EINTR) | |
155 | break; | |
156 | ||
157 | printf("testspeed(%d): Ended (%d)...\n", pid, status); | |
158 | } | |
159 | } | |
160 | ||
161 | /* | |
162 | * Compute the total run time... | |
163 | */ | |
164 | ||
165 | end = time(NULL); | |
166 | elapsed = end - start; | |
167 | i = children * requests; | |
168 | ||
169 | printf("testspeed: %dx%d=%d requests in %.1fs (%.3fs/r, %.1fr/s)\n", | |
170 | children, requests, i, elapsed, elapsed / i, i / elapsed); | |
171 | ||
172 | /* | |
173 | * Exit with no errors... | |
174 | */ | |
175 | ||
176 | return (status); | |
177 | } | |
178 | ||
179 | ||
180 | /* | |
181 | * 'do_test()' - Run a test on a specific host... | |
182 | */ | |
183 | ||
184 | int /* O - Exit status */ | |
185 | do_test(const char *server, /* I - Server to use */ | |
186 | http_encryption_t encryption, /* I - Encryption to use */ | |
187 | int requests, /* I - Number of requests to send */ | |
188 | int verbose) /* I - Verbose output? */ | |
189 | { | |
190 | int i; /* Looping var */ | |
191 | http_t *http; /* Connection to server */ | |
192 | ipp_t *request, /* IPP Request */ | |
193 | *response; /* IPP Response */ | |
194 | cups_lang_t *language; /* Default language */ | |
195 | struct timeval start, /* Start time */ | |
196 | end; /* End time */ | |
197 | double elapsed; /* Elapsed time */ | |
198 | static ipp_op_t ops[4] = /* Operations to test... */ | |
199 | { | |
200 | IPP_PRINT_JOB, | |
201 | CUPS_GET_PRINTERS, | |
202 | CUPS_GET_CLASSES, | |
203 | IPP_GET_JOBS | |
204 | }; | |
205 | ||
206 | ||
207 | /* | |
208 | * Connect to the server... | |
209 | */ | |
210 | ||
211 | http = httpConnectEncrypt(server, ippPort(), encryption); | |
212 | ||
213 | if (http == NULL) | |
214 | { | |
215 | perror("testspeed: unable to connect to server"); | |
216 | return (1); | |
217 | } | |
218 | ||
219 | language = cupsLangDefault(); | |
220 | ||
221 | /* | |
222 | * Do multiple requests... | |
223 | */ | |
224 | ||
225 | for (elapsed = 0.0, i = 0; i < requests; i ++) | |
226 | { | |
227 | if (verbose && (i % 10) == 0) | |
228 | printf("testspeed(%d): %d%% complete...\n", (int)getpid(), | |
229 | i * 100 / requests); | |
230 | ||
231 | /* | |
232 | * Build a request which requires the following attributes: | |
233 | * | |
234 | * attributes-charset | |
235 | * attributes-natural-language | |
236 | * | |
237 | * In addition, IPP_GET_JOBS needs a printer-uri attribute. | |
238 | */ | |
239 | ||
240 | request = ippNew(); | |
241 | ||
242 | request->request.op.operation_id = ops[i & 3]; | |
243 | request->request.op.request_id = 1; | |
244 | ||
245 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
246 | "attributes-charset", NULL, cupsLangEncoding(language)); | |
247 | ||
248 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
249 | "attributes-natural-language", NULL, language->language); | |
250 | ||
251 | gettimeofday(&start, NULL); | |
252 | ||
253 | switch (request->request.op.operation_id) | |
254 | { | |
255 | case IPP_GET_JOBS : | |
256 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
257 | NULL, "ipp://localhost/printers/"); | |
258 | ||
259 | default : | |
260 | response = cupsDoRequest(http, request, "/"); | |
261 | break; | |
262 | ||
263 | case IPP_PRINT_JOB : | |
264 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
265 | NULL, "ipp://localhost/printers/test"); | |
266 | response = cupsDoFileRequest(http, request, "/printers/test", | |
267 | "../data/testprint.ps"); | |
268 | break; | |
269 | } | |
270 | ||
271 | gettimeofday(&end, NULL); | |
272 | ||
273 | if (response != NULL) | |
274 | ippDelete(response); | |
275 | ||
276 | elapsed += (end.tv_sec - start.tv_sec) + | |
277 | 0.000001 * (end.tv_usec - start.tv_usec); | |
278 | } | |
279 | ||
280 | cupsLangFree(language); | |
281 | httpClose(http); | |
282 | ||
283 | printf("testspeed(%d): %d requests in %.1fs (%.3fs/r, %.1fr/s)\n", | |
284 | (int)getpid(), i, elapsed, elapsed / i, i / elapsed); | |
285 | ||
286 | return (0); | |
287 | } | |
288 | ||
289 | ||
290 | /* | |
291 | * 'usage()' - Show program usage... | |
292 | */ | |
293 | ||
294 | void | |
295 | usage(void) | |
296 | { | |
297 | puts("Usage: testspeed [-c children] [-h] [-r requests] [-v] [-E] hostname"); | |
298 | exit(0); | |
299 | } | |
300 | ||
301 | ||
302 | ||
303 | /* | |
304 | * End of "$Id: testspeed.c 4800 2005-10-18 18:06:20Z mike $". | |
305 | */ |