server: fix typos in conversion
[fio.git] / client.c
CommitLineData
132159a5
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <limits.h>
5#include <errno.h>
6#include <fcntl.h>
7#include <sys/poll.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <sys/mman.h>
12#include <netinet/in.h>
13#include <arpa/inet.h>
14#include <netdb.h>
15
16#include "fio.h"
17#include "server.h"
18#include "crc/crc32.h"
b66570dc 19#include "flist.h"
132159a5 20
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21struct fio_client {
22 struct flist_head list;
23 struct sockaddr_in addr;
24 char *hostname;
25 int fd;
26};
27
28static FLIST_HEAD(client_list);
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29
30static struct fio_client *find_client_by_fd(int fd)
31{
32 struct fio_client *client;
33 struct flist_head *entry;
34
35 flist_for_each(entry, &client_list) {
36 client = flist_entry(entry, struct fio_client, list);
37
38 if (client->fd == fd)
39 return client;
40 }
41
42 return NULL;
43}
44
a37f69b7 45#if 0
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46static struct fio_client *find_client_by_name(const char *name)
47{
48 struct fio_client *client;
49 struct flist_head *entry;
50
51 flist_for_each(entry, &client_list) {
52 client = flist_entry(entry, struct fio_client, list);
53
54 if (!strcmp(name, client->hostname))
55 return client;
56 }
57
58 return NULL;
59}
a37f69b7 60#endif
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61
62static void remove_client(struct fio_client *client)
63{
46c48f1f 64 dprint(FD_NET, "removed client <%s>\n", client->hostname);
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65 flist_del(&client->list);
66 nr_clients--;
67 free(client->hostname);
68 free(client);
69}
132159a5 70
a37f69b7 71void fio_client_add(const char *hostname)
132159a5 72{
b66570dc 73 struct fio_client *client;
132159a5 74
46c48f1f 75 dprint(FD_NET, "added client <%s>\n", hostname);
b66570dc 76 client = malloc(sizeof(*client));
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77 memset(client, 0, sizeof(*client));
78 client->hostname = strdup(hostname);
79 client->fd = -1;
80 flist_add(&client->list, &client_list);
81 nr_clients++;
82}
83
84static int fio_client_connect(struct fio_client *client)
85{
86 int fd;
132159a5 87
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88 dprint(FD_NET, "connect to host %s\n", client->hostname);
89
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90 memset(&client->addr, 0, sizeof(client->addr));
91 client->addr.sin_family = AF_INET;
92 client->addr.sin_port = htons(fio_net_port);
93
a37f69b7 94 if (inet_aton(client->hostname, &client->addr.sin_addr) != 1) {
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95 struct hostent *hent;
96
a37f69b7 97 hent = gethostbyname(client->hostname);
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98 if (!hent) {
99 log_err("fio: gethostbyname: %s\n", strerror(errno));
100 return 1;
101 }
102
b66570dc 103 memcpy(&client->addr.sin_addr, hent->h_addr, 4);
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104 }
105
106 fd = socket(AF_INET, SOCK_STREAM, 0);
107 if (fd < 0) {
108 log_err("fio: socket: %s\n", strerror(errno));
109 return 1;
110 }
111
b66570dc 112 if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) {
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113 log_err("fio: connect: %s\n", strerror(errno));
114 return 1;
115 }
116
b66570dc 117 client->fd = fd;
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118 return 0;
119}
120
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121void fio_clients_terminate(void)
122{
123 struct flist_head *entry;
124 struct fio_client *client;
125
126 flist_for_each(entry, &client_list) {
127 client = flist_entry(entry, struct fio_client, list);
128
129 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0);
130 }
131}
132
133static void sig_int(int sig)
134{
135 fio_clients_terminate();
136}
137
138static void client_signal_handler(void)
139{
140 struct sigaction act;
141
142 memset(&act, 0, sizeof(act));
143 act.sa_handler = sig_int;
144 act.sa_flags = SA_RESTART;
145 sigaction(SIGINT, &act, NULL);
146
147 memset(&act, 0, sizeof(act));
148 act.sa_handler = sig_int;
149 act.sa_flags = SA_RESTART;
150 sigaction(SIGTERM, &act, NULL);
151}
152
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153int fio_clients_connect(void)
154{
155 struct fio_client *client;
156 struct flist_head *entry, *tmp;
157 int ret;
158
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159 client_signal_handler();
160
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161 flist_for_each_safe(entry, tmp, &client_list) {
162 client = flist_entry(entry, struct fio_client, list);
163
164 ret = fio_client_connect(client);
165 if (ret)
166 remove_client(client);
167 }
168
169 return !nr_clients;
170}
171
b66570dc 172static int send_file_buf(struct fio_client *client, char *buf, off_t size)
132159a5 173{
b66570dc 174 return fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, size);
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175}
176
177/*
178 * Send file contents to server backend. We could use sendfile(), but to remain
179 * more portable lets just read/write the darn thing.
180 */
a37f69b7 181static int fio_client_send_ini(struct fio_client *client, const char *filename)
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182{
183 struct stat sb;
184 char *p, *buf;
185 off_t len;
186 int fd, ret;
187
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188 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
189
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190 fd = open(filename, O_RDONLY);
191 if (fd < 0) {
192 log_err("fio: job file open: %s\n", strerror(errno));
193 return 1;
194 }
195
196 if (fstat(fd, &sb) < 0) {
197 log_err("fio: job file stat: %s\n", strerror(errno));
198 return 1;
199 }
200
201 buf = malloc(sb.st_size);
202
203 len = sb.st_size;
204 p = buf;
205 do {
206 ret = read(fd, p, len);
207 if (ret > 0) {
208 len -= ret;
209 if (!len)
210 break;
211 p += ret;
212 continue;
213 } else if (!ret)
214 break;
215 else if (errno == EAGAIN || errno == EINTR)
216 continue;
217 } while (1);
218
b66570dc 219 ret = send_file_buf(client, buf, sb.st_size);
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220 free(buf);
221 return ret;
222}
37db14fe 223
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224int fio_clients_send_ini(const char *filename)
225{
226 struct fio_client *client;
227 struct flist_head *entry, *tmp;
228
229 flist_for_each_safe(entry, tmp, &client_list) {
230 client = flist_entry(entry, struct fio_client, list);
231
232 if (fio_client_send_ini(client, filename))
233 remove_client(client);
234 }
235
236 return !nr_clients;
237}
238
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239static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
240{
241 dst->max_val = le64_to_cpu(src->max_val);
242 dst->min_val = le64_to_cpu(src->min_val);
243 dst->samples = le64_to_cpu(src->samples);
244 /* FIXME */
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245 dst->mean = __le64_to_cpu(src->mean);
246 dst->S = __le64_to_cpu(src->S);
a64e88da
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247}
248
249static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
250{
251 int i, j;
252
253 dst->error = le32_to_cpu(src->error);
254 dst->groupid = le32_to_cpu(src->groupid);
255 dst->pid = le32_to_cpu(src->pid);
256 dst->members = le32_to_cpu(src->members);
257
258 for (i = 0; i < 2; i++) {
259 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
260 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
261 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
262 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
263 }
264
265 dst->usr_time = le64_to_cpu(src->usr_time);
266 dst->sys_time = le64_to_cpu(src->sys_time);
267 dst->ctx = le64_to_cpu(src->ctx);
268 dst->minf = le64_to_cpu(src->minf);
269 dst->majf = le64_to_cpu(src->majf);
270 dst->clat_percentiles = le64_to_cpu(src->clat_percentiles);
271 dst->percentile_list = NULL;
272
273 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
274 dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]);
275 dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]);
276 dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]);
277 }
278
279 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
280 dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]);
281 dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]);
282 }
283
284 for (i = 0; i < 2; i++)
285 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
286 dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]);
287
288 for (i = 0; i < 3; i++) {
289 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
93eee04a 290 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
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291 }
292
293 dst->total_submit = le64_to_cpu(src->total_submit);
294 dst->total_complete = le64_to_cpu(src->total_complete);
295
296 for (i = 0; i < 2; i++) {
297 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
298 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
299 }
300
301 dst->total_run_time = le64_to_cpu(src->total_run_time);
302 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
303 dst->total_err_count = le64_to_cpu(src->total_err_count);
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304 dst->first_error = le32_to_cpu(src->first_error);
305 dst->kb_base = le32_to_cpu(src->kb_base);
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306}
307
308static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
309{
310 int i;
311
312 for (i = 0; i < 2; i++) {
313 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
314 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
315 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
316 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
317 dst->io_kb[i] = le64_to_cpu(src->io_kb[i]);
318 dst->agg[i] = le64_to_cpu(src->agg[i]);
319 }
320
321 dst->kb_base = le32_to_cpu(src->kb_base);
322 dst->groupid = le32_to_cpu(src->groupid);
323}
324
325static void handle_ts(struct fio_net_cmd *cmd)
326{
327 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
328
329 convert_ts(&p->ts, &p->ts);
330 convert_gs(&p->rs, &p->rs);
331
332 show_thread_status(&p->ts, &p->rs);
333}
334
335static void handle_gs(struct fio_net_cmd *cmd)
336{
337 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
338
339 convert_gs(gs, gs);
340 show_group_stats(gs);
341}
342
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343static void handle_eta(struct fio_net_cmd *cmd)
344{
345 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
346 int i;
347
348 je->nr_running = le32_to_cpu(je->nr_running);
349 je->nr_ramp = le32_to_cpu(je->nr_ramp);
350 je->nr_pending = le32_to_cpu(je->nr_pending);
351 je->files_open = le32_to_cpu(je->files_open);
352 je->m_rate = le32_to_cpu(je->m_rate);
353 je->t_rate = le32_to_cpu(je->t_rate);
354 je->m_iops = le32_to_cpu(je->m_iops);
355 je->t_iops = le32_to_cpu(je->t_iops);
356
357 for (i = 0; i < 2; i++) {
358 je->rate[i] = le32_to_cpu(je->rate[i]);
359 je->iops[i] = le32_to_cpu(je->iops[i]);
360 }
361
362 je->elapsed_sec = le32_to_cpu(je->nr_running);
363 je->eta_sec = le64_to_cpu(je->eta_sec);
364
365 display_thread_status(je);
366}
367
b66570dc 368static int handle_client(struct fio_client *client)
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369{
370 struct fio_net_cmd *cmd;
a450e492 371 int done = 0;
37db14fe 372
a64e88da 373 while ((cmd = fio_net_recv_cmd(client->fd)) != NULL) {
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374 dprint(FD_NET, "%s: got cmd op %d\n", client->hostname,
375 cmd->opcode);
376
a64e88da
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377 switch (cmd->opcode) {
378 case FIO_NET_CMD_ACK:
37db14fe 379 free(cmd);
a64e88da
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380 break;
381 case FIO_NET_CMD_QUIT:
b66570dc 382 remove_client(client);
437377e1 383 free(cmd);
a450e492 384 done = 1;
437377e1 385 break;
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386 case FIO_NET_CMD_TEXT:
387 fwrite(cmd->payload, cmd->pdu_len, 1, stdout);
388 fflush(stdout);
37db14fe 389 free(cmd);
a64e88da
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390 break;
391 case FIO_NET_CMD_TS:
392 handle_ts(cmd);
393 free(cmd);
394 break;
395 case FIO_NET_CMD_GS:
396 handle_gs(cmd);
397 free(cmd);
398 break;
cf451d1e
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399 case FIO_NET_CMD_ETA:
400 handle_eta(cmd);
401 free(cmd);
402 break;
a64e88da
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403 default:
404 log_err("fio: unknown client op: %d\n", cmd->opcode);
405 free(cmd);
406 break;
37db14fe 407 }
a450e492
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408
409 if (done)
410 break;
37db14fe
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411 }
412
413 return 0;
414}
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415
416int fio_handle_clients(void)
417{
418 struct fio_client *client;
419 struct flist_head *entry;
420 struct pollfd *pfds;
82a4be1b 421 int i, ret = 0;
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422
423 pfds = malloc(nr_clients * sizeof(struct pollfd));
424
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425 while (!exit_backend && nr_clients) {
426 i = 0;
427 flist_for_each(entry, &client_list) {
428 client = flist_entry(entry, struct fio_client, list);
b66570dc 429
82a4be1b
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430 pfds[i].fd = client->fd;
431 pfds[i].events = POLLIN;
432 i++;
433 }
434
435 assert(i == nr_clients);
b66570dc 436
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437 ret = poll(pfds, nr_clients, 100);
438 if (ret < 0) {
439 if (errno == EINTR)
440 continue;
441 log_err("fio: poll clients: %s\n", strerror(errno));
442 break;
443 } else if (!ret)
444 continue;
445
446 for (i = 0; i < nr_clients; i++) {
447 if (!(pfds[i].revents & POLLIN))
448 continue;
449
450 client = find_client_by_fd(pfds[i].fd);
451 if (!client) {
452 log_err("fio: unknown client\n");
453 continue;
454 }
455 handle_client(client);
456 }
457 }
458
459 free(pfds);
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460 return 0;
461}