client/server: add support for passing disk_util structures
[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>
d05c4a03 11#include <sys/socket.h>
87aa8f19 12#include <sys/un.h>
132159a5
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13#include <netinet/in.h>
14#include <arpa/inet.h>
15#include <netdb.h>
9e22ecb0 16#include <signal.h>
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17
18#include "fio.h"
19#include "server.h"
b66570dc 20#include "flist.h"
3c5f57e3 21#include "hash.h"
132159a5 22
82c1ed38
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23struct client_eta {
24 struct jobs_eta eta;
25 unsigned int pending;
26};
27
b66570dc
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28struct fio_client {
29 struct flist_head list;
bebe6398 30 struct flist_head hash_list;
3f3a4542 31 struct flist_head arg_list;
b66570dc 32 struct sockaddr_in addr;
87aa8f19 33 struct sockaddr_un addr_un;
b66570dc 34 char *hostname;
bebe6398 35 int port;
b66570dc 36 int fd;
81179eec 37
b5296ddb
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38 char *name;
39
81179eec 40 int state;
af9c9fb3 41
17dd1764 42 int skip_newline;
87aa8f19 43 int is_sock;
d09a64a0 44 int disk_stats_shown;
82c1ed38
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45
46 struct flist_head eta_list;
47 struct client_eta *eta_in_flight;
81179eec 48
89c1707c
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49 struct flist_head cmd_list;
50
81179eec
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51 uint16_t argc;
52 char **argv;
53};
54
af9c9fb3 55static struct timeval eta_tv;
48fbb46e 56
81179eec 57enum {
5c2857f9 58 Client_created = 0,
81179eec
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59 Client_connected = 1,
60 Client_started = 2,
61 Client_stopped = 3,
5c2857f9 62 Client_exited = 4,
b66570dc
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63};
64
65static FLIST_HEAD(client_list);
82c1ed38 66static FLIST_HEAD(eta_list);
b66570dc 67
3f3a4542
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68static FLIST_HEAD(arg_list);
69
37f0c1ae
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70static struct thread_stat client_ts;
71static struct group_run_stats client_gs;
72static int sum_stat_clients;
73static int sum_stat_nr;
74
3c5f57e3
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75#define FIO_CLIENT_HASH_BITS 7
76#define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS)
77#define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1)
bebe6398 78static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
3c5f57e3 79
e951bdc4 80static int handle_client(struct fio_client *client);
82c1ed38 81static void dec_jobs_eta(struct client_eta *eta);
0b8f30a5 82
bebe6398 83static void fio_client_add_hash(struct fio_client *client)
3c5f57e3
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84{
85 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
86
87 bucket &= FIO_CLIENT_HASH_MASK;
bebe6398 88 flist_add(&client->hash_list, &client_hash[bucket]);
3c5f57e3
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89}
90
bebe6398 91static void fio_client_remove_hash(struct fio_client *client)
3c5f57e3 92{
bebe6398
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93 if (!flist_empty(&client->hash_list))
94 flist_del_init(&client->hash_list);
3c5f57e3
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95}
96
97static void fio_init fio_client_hash_init(void)
98{
99 int i;
100
bebe6398
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101 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
102 INIT_FLIST_HEAD(&client_hash[i]);
3c5f57e3
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103}
104
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105static struct fio_client *find_client_by_fd(int fd)
106{
3c5f57e3 107 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
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108 struct fio_client *client;
109 struct flist_head *entry;
110
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111 flist_for_each(entry, &client_hash[bucket]) {
112 client = flist_entry(entry, struct fio_client, hash_list);
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113
114 if (client->fd == fd)
115 return client;
116 }
117
118 return NULL;
119}
120
b66570dc
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121static void remove_client(struct fio_client *client)
122{
39e8e016 123 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
b66570dc 124 flist_del(&client->list);
3c5f57e3 125
bebe6398 126 fio_client_remove_hash(client);
81179eec 127
82c1ed38
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128 if (!flist_empty(&client->eta_list)) {
129 flist_del_init(&client->eta_list);
130 dec_jobs_eta(client->eta_in_flight);
131 }
af9c9fb3 132
b66570dc 133 free(client->hostname);
81179eec
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134 if (client->argv)
135 free(client->argv);
b5296ddb
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136 if (client->name)
137 free(client->name);
81179eec 138
b66570dc 139 free(client);
3c5f57e3 140 nr_clients--;
5fd0acbd 141 sum_stat_clients--;
b66570dc 142}
132159a5 143
fa2ea806
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144static void __fio_client_add_cmd_option(struct fio_client *client,
145 const char *opt)
81179eec 146{
39e8e016
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147 int index;
148
149 index = client->argc++;
81179eec 150 client->argv = realloc(client->argv, sizeof(char *) * client->argc);
39e8e016
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151 client->argv[index] = strdup(opt);
152 dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
81179eec
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153}
154
fa2ea806 155void fio_client_add_cmd_option(void *cookie, const char *opt)
81179eec 156{
bebe6398 157 struct fio_client *client = cookie;
3f3a4542 158 struct flist_head *entry;
81179eec 159
bebe6398 160 if (!client || !opt)
fa2ea806 161 return;
81179eec 162
fa2ea806 163 __fio_client_add_cmd_option(client, opt);
3f3a4542
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164
165 /*
166 * Duplicate arguments to shared client group
167 */
168 flist_for_each(entry, &arg_list) {
169 client = flist_entry(entry, struct fio_client, arg_list);
170
171 __fio_client_add_cmd_option(client, opt);
172 }
81179eec
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173}
174
bebe6398 175int fio_client_add(const char *hostname, void **cookie)
132159a5 176{
3f3a4542 177 struct fio_client *existing = *cookie;
b66570dc 178 struct fio_client *client;
132159a5 179
3f3a4542
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180 if (existing) {
181 /*
182 * We always add our "exec" name as the option, hence 1
183 * means empty.
184 */
185 if (existing->argc == 1)
186 flist_add_tail(&existing->arg_list, &arg_list);
187 else {
188 while (!flist_empty(&arg_list))
189 flist_del_init(arg_list.next);
190 }
191 }
192
b66570dc 193 client = malloc(sizeof(*client));
a37f69b7 194 memset(client, 0, sizeof(*client));
81179eec 195
3c5f57e3 196 INIT_FLIST_HEAD(&client->list);
bebe6398 197 INIT_FLIST_HEAD(&client->hash_list);
3f3a4542 198 INIT_FLIST_HEAD(&client->arg_list);
82c1ed38 199 INIT_FLIST_HEAD(&client->eta_list);
89c1707c 200 INIT_FLIST_HEAD(&client->cmd_list);
3c5f57e3 201
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202 if (fio_server_parse_string(hostname, &client->hostname,
203 &client->is_sock, &client->port,
204 &client->addr.sin_addr))
205 return -1;
87aa8f19 206
bebe6398 207 client->fd = -1;
3c5f57e3 208
81179eec
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209 __fio_client_add_cmd_option(client, "fio");
210
a37f69b7
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211 flist_add(&client->list, &client_list);
212 nr_clients++;
bebe6398
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213 dprint(FD_NET, "client: added <%s>\n", client->hostname);
214 *cookie = client;
215 return 0;
a37f69b7
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216}
217
87aa8f19 218static int fio_client_connect_ip(struct fio_client *client)
a37f69b7
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219{
220 int fd;
132159a5 221
b66570dc 222 client->addr.sin_family = AF_INET;
bebe6398 223 client->addr.sin_port = htons(client->port);
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224
225 fd = socket(AF_INET, SOCK_STREAM, 0);
226 if (fd < 0) {
227 log_err("fio: socket: %s\n", strerror(errno));
87aa8f19 228 return -1;
132159a5
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229 }
230
b66570dc 231 if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) {
132159a5 232 log_err("fio: connect: %s\n", strerror(errno));
a7de0a11
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233 log_err("fio: failed to connect to %s:%u\n", client->hostname,
234 client->port);
b94cba47 235 close(fd);
87aa8f19
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236 return -1;
237 }
238
239 return fd;
240}
241
242static int fio_client_connect_sock(struct fio_client *client)
243{
244 struct sockaddr_un *addr = &client->addr_un;
245 fio_socklen_t len;
246 int fd;
247
248 memset(addr, 0, sizeof(*addr));
249 addr->sun_family = AF_UNIX;
250 strcpy(addr->sun_path, client->hostname);
251
252 fd = socket(AF_UNIX, SOCK_STREAM, 0);
253 if (fd < 0) {
254 log_err("fio: socket: %s\n", strerror(errno));
255 return -1;
256 }
257
258 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
259 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
260 log_err("fio: connect; %s\n", strerror(errno));
b94cba47 261 close(fd);
87aa8f19 262 return -1;
132159a5
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263 }
264
87aa8f19
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265 return fd;
266}
267
268static int fio_client_connect(struct fio_client *client)
269{
270 int fd;
271
272 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
273
87aa8f19
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274 if (client->is_sock)
275 fd = fio_client_connect_sock(client);
276 else
277 fd = fio_client_connect_ip(client);
278
89c1707c
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279 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
280
87aa8f19
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281 if (fd < 0)
282 return 1;
283
b66570dc 284 client->fd = fd;
bebe6398 285 fio_client_add_hash(client);
81179eec 286 client->state = Client_connected;
132159a5
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287 return 0;
288}
289
cc0df00a
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290void fio_clients_terminate(void)
291{
292 struct flist_head *entry;
293 struct fio_client *client;
294
60efd14e
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295 dprint(FD_NET, "client: terminate clients\n");
296
cc0df00a
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297 flist_for_each(entry, &client_list) {
298 client = flist_entry(entry, struct fio_client, list);
299
89c1707c 300 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL);
cc0df00a
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301 }
302}
303
304static void sig_int(int sig)
305{
bebe6398 306 dprint(FD_NET, "client: got signal %d\n", sig);
cc0df00a
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307 fio_clients_terminate();
308}
309
310static void client_signal_handler(void)
311{
312 struct sigaction act;
313
314 memset(&act, 0, sizeof(act));
315 act.sa_handler = sig_int;
316 act.sa_flags = SA_RESTART;
317 sigaction(SIGINT, &act, NULL);
318
319 memset(&act, 0, sizeof(act));
320 act.sa_handler = sig_int;
321 act.sa_flags = SA_RESTART;
322 sigaction(SIGTERM, &act, NULL);
323}
324
0b8f30a5
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325static void probe_client(struct fio_client *client)
326{
60efd14e
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327 dprint(FD_NET, "client: send probe\n");
328
89c1707c 329 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list);
0b8f30a5
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330}
331
81179eec
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332static int send_client_cmd_line(struct fio_client *client)
333{
fa2ea806
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334 struct cmd_single_line_pdu *cslp;
335 struct cmd_line_pdu *clp;
336 unsigned long offset;
7f868316 337 unsigned int *lens;
fa2ea806
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338 void *pdu;
339 size_t mem;
81179eec
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340 int i, ret;
341
39e8e016 342 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
60efd14e 343
7f868316
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344 lens = malloc(client->argc * sizeof(unsigned int));
345
fa2ea806
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346 /*
347 * Find out how much mem we need
348 */
7f868316
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349 for (i = 0, mem = 0; i < client->argc; i++) {
350 lens[i] = strlen(client->argv[i]) + 1;
351 mem += lens[i];
352 }
fa2ea806
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353
354 /*
355 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
356 */
357 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
358
359 pdu = malloc(mem);
360 clp = pdu;
361 offset = sizeof(*clp);
362
363 for (i = 0; i < client->argc; i++) {
7f868316 364 uint16_t arg_len = lens[i];
fa2ea806
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365
366 cslp = pdu + offset;
367 strcpy((char *) cslp->text, client->argv[i]);
368 cslp->len = cpu_to_le16(arg_len);
369 offset += sizeof(*cslp) + arg_len;
370 }
81179eec 371
7f868316 372 free(lens);
fa2ea806 373 clp->lines = cpu_to_le16(client->argc);
af9c9fb3 374 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0);
81179eec
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375 free(pdu);
376 return ret;
377}
378
a37f69b7
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379int fio_clients_connect(void)
380{
381 struct fio_client *client;
382 struct flist_head *entry, *tmp;
383 int ret;
384
60efd14e
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385 dprint(FD_NET, "client: connect all\n");
386
cc0df00a
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387 client_signal_handler();
388
a37f69b7
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389 flist_for_each_safe(entry, tmp, &client_list) {
390 client = flist_entry(entry, struct fio_client, list);
391
392 ret = fio_client_connect(client);
0b8f30a5 393 if (ret) {
a37f69b7 394 remove_client(client);
0b8f30a5
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395 continue;
396 }
397
398 probe_client(client);
81179eec
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399
400 if (client->argc > 1)
401 send_client_cmd_line(client);
a37f69b7
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402 }
403
404 return !nr_clients;
405}
406
132159a5
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407/*
408 * Send file contents to server backend. We could use sendfile(), but to remain
409 * more portable lets just read/write the darn thing.
410 */
a37f69b7 411static int fio_client_send_ini(struct fio_client *client, const char *filename)
132159a5
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412{
413 struct stat sb;
414 char *p, *buf;
415 off_t len;
416 int fd, ret;
417
46c48f1f
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418 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
419
132159a5
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420 fd = open(filename, O_RDONLY);
421 if (fd < 0) {
e951bdc4 422 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
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423 return 1;
424 }
425
426 if (fstat(fd, &sb) < 0) {
427 log_err("fio: job file stat: %s\n", strerror(errno));
b94cba47 428 close(fd);
132159a5
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429 return 1;
430 }
431
432 buf = malloc(sb.st_size);
433
434 len = sb.st_size;
435 p = buf;
436 do {
437 ret = read(fd, p, len);
438 if (ret > 0) {
439 len -= ret;
440 if (!len)
441 break;
442 p += ret;
443 continue;
444 } else if (!ret)
445 break;
446 else if (errno == EAGAIN || errno == EINTR)
447 continue;
448 } while (1);
449
0b8f30a5
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450 if (len) {
451 log_err("fio: failed reading job file %s\n", filename);
b94cba47 452 close(fd);
c524ef72 453 free(buf);
0b8f30a5
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454 return 1;
455 }
456
af9c9fb3 457 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0);
132159a5 458 free(buf);
b94cba47 459 close(fd);
132159a5
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460 return ret;
461}
37db14fe 462
a37f69b7
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463int fio_clients_send_ini(const char *filename)
464{
465 struct fio_client *client;
466 struct flist_head *entry, *tmp;
467
468 flist_for_each_safe(entry, tmp, &client_list) {
469 client = flist_entry(entry, struct fio_client, list);
470
471 if (fio_client_send_ini(client, filename))
472 remove_client(client);
473 }
474
475 return !nr_clients;
476}
477
a64e88da
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478static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
479{
480 dst->max_val = le64_to_cpu(src->max_val);
481 dst->min_val = le64_to_cpu(src->min_val);
482 dst->samples = le64_to_cpu(src->samples);
802ad4a8
JA
483
484 /*
485 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
486 */
487 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
488 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
a64e88da
JA
489}
490
491static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
492{
493 int i, j;
494
495 dst->error = le32_to_cpu(src->error);
496 dst->groupid = le32_to_cpu(src->groupid);
497 dst->pid = le32_to_cpu(src->pid);
498 dst->members = le32_to_cpu(src->members);
499
500 for (i = 0; i < 2; i++) {
501 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
502 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
503 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
504 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
505 }
506
507 dst->usr_time = le64_to_cpu(src->usr_time);
508 dst->sys_time = le64_to_cpu(src->sys_time);
509 dst->ctx = le64_to_cpu(src->ctx);
510 dst->minf = le64_to_cpu(src->minf);
511 dst->majf = le64_to_cpu(src->majf);
512 dst->clat_percentiles = le64_to_cpu(src->clat_percentiles);
802ad4a8
JA
513
514 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
515 fio_fp64_t *fps = &src->percentile_list[i];
516 fio_fp64_t *fpd = &dst->percentile_list[i];
517
518 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
519 }
a64e88da
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520
521 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
522 dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]);
523 dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]);
524 dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]);
525 }
526
527 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
528 dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]);
529 dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]);
530 }
531
532 for (i = 0; i < 2; i++)
533 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
534 dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]);
535
536 for (i = 0; i < 3; i++) {
537 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
93eee04a 538 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
a64e88da
JA
539 }
540
541 dst->total_submit = le64_to_cpu(src->total_submit);
542 dst->total_complete = le64_to_cpu(src->total_complete);
543
544 for (i = 0; i < 2; i++) {
545 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
546 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
547 }
548
549 dst->total_run_time = le64_to_cpu(src->total_run_time);
550 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
551 dst->total_err_count = le64_to_cpu(src->total_err_count);
ddcc0b69
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552 dst->first_error = le32_to_cpu(src->first_error);
553 dst->kb_base = le32_to_cpu(src->kb_base);
a64e88da
JA
554}
555
556static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
557{
558 int i;
559
560 for (i = 0; i < 2; i++) {
561 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
562 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
563 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
564 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
565 dst->io_kb[i] = le64_to_cpu(src->io_kb[i]);
566 dst->agg[i] = le64_to_cpu(src->agg[i]);
567 }
568
569 dst->kb_base = le32_to_cpu(src->kb_base);
570 dst->groupid = le32_to_cpu(src->groupid);
571}
572
573static void handle_ts(struct fio_net_cmd *cmd)
574{
575 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
576
577 convert_ts(&p->ts, &p->ts);
578 convert_gs(&p->rs, &p->rs);
579
580 show_thread_status(&p->ts, &p->rs);
37f0c1ae
JA
581
582 if (sum_stat_clients == 1)
583 return;
584
585 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr);
586 sum_group_stats(&client_gs, &p->rs);
587
588 client_ts.members++;
589 client_ts.groupid = p->ts.groupid;
590
591 if (++sum_stat_nr == sum_stat_clients) {
592 strcpy(client_ts.name, "All clients");
593 show_thread_status(&client_ts, &client_gs);
594 }
a64e88da
JA
595}
596
597static void handle_gs(struct fio_net_cmd *cmd)
598{
599 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
600
601 convert_gs(gs, gs);
602 show_group_stats(gs);
603}
604
d09a64a0
JA
605static void convert_agg(struct disk_util_agg *agg)
606{
607 int i;
608
609 for (i = 0; i < 2; i++) {
610 agg->ios[i] = le32_to_cpu(agg->ios[i]);
611 agg->merges[i] = le32_to_cpu(agg->merges[i]);
612 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
613 agg->ticks[i] = le32_to_cpu(agg->ticks[i]);
614 }
615
616 agg->io_ticks = le32_to_cpu(agg->io_ticks);
617 agg->time_in_queue = le32_to_cpu(agg->time_in_queue);
618 agg->slavecount = le32_to_cpu(agg->slavecount);
619 agg->max_util.u.f = __le64_to_cpu(fio_uint64_to_double(agg->max_util.u.i));
620}
621
622static void convert_dus(struct disk_util_stat *dus)
623{
624 int i;
625
626 for (i = 0; i < 2; i++) {
627 dus->ios[i] = le32_to_cpu(dus->ios[i]);
628 dus->merges[i] = le32_to_cpu(dus->merges[i]);
629 dus->sectors[i] = le64_to_cpu(dus->sectors[i]);
630 dus->ticks[i] = le32_to_cpu(dus->ticks[i]);
631 }
632
633 dus->io_ticks = le32_to_cpu(dus->io_ticks);
634 dus->time_in_queue = le32_to_cpu(dus->time_in_queue);
635 dus->msec = le64_to_cpu(dus->msec);
636}
637
638static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
639{
640 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
641
642 convert_dus(&du->dus);
643 convert_agg(&du->agg);
644
645 if (!client->disk_stats_shown) {
646 client->disk_stats_shown = 1;
647 log_info("\nDisk stats (read/write):\n");
648 }
649
650 print_disk_util(&du->dus, &du->agg);
651}
652
48fbb46e 653static void convert_jobs_eta(struct jobs_eta *je)
cf451d1e 654{
cf451d1e
JA
655 int i;
656
657 je->nr_running = le32_to_cpu(je->nr_running);
658 je->nr_ramp = le32_to_cpu(je->nr_ramp);
659 je->nr_pending = le32_to_cpu(je->nr_pending);
660 je->files_open = le32_to_cpu(je->files_open);
661 je->m_rate = le32_to_cpu(je->m_rate);
662 je->t_rate = le32_to_cpu(je->t_rate);
663 je->m_iops = le32_to_cpu(je->m_iops);
664 je->t_iops = le32_to_cpu(je->t_iops);
665
666 for (i = 0; i < 2; i++) {
667 je->rate[i] = le32_to_cpu(je->rate[i]);
668 je->iops[i] = le32_to_cpu(je->iops[i]);
669 }
670
b51eedb7 671 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
cf451d1e 672 je->eta_sec = le64_to_cpu(je->eta_sec);
48fbb46e
JA
673}
674
af9c9fb3 675static void sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
48fbb46e 676{
48fbb46e
JA
677 int i;
678
679 dst->nr_running += je->nr_running;
680 dst->nr_ramp += je->nr_ramp;
681 dst->nr_pending += je->nr_pending;
682 dst->files_open += je->files_open;
683 dst->m_rate += je->m_rate;
684 dst->t_rate += je->t_rate;
685 dst->m_iops += je->m_iops;
686 dst->t_iops += je->t_iops;
687
688 for (i = 0; i < 2; i++) {
689 dst->rate[i] += je->rate[i];
690 dst->iops[i] += je->iops[i];
691 }
692
693 dst->elapsed_sec += je->elapsed_sec;
694
695 if (je->eta_sec > dst->eta_sec)
696 dst->eta_sec = je->eta_sec;
697}
698
82c1ed38
JA
699static void dec_jobs_eta(struct client_eta *eta)
700{
701 if (!--eta->pending) {
702 display_thread_status(&eta->eta);
703 free(eta);
704 }
705}
706
89c1707c
JA
707static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
708{
709 struct fio_net_int_cmd *icmd = NULL;
710 struct flist_head *entry;
711
712 flist_for_each(entry, &client->cmd_list) {
713 icmd = flist_entry(entry, struct fio_net_int_cmd, list);
714
df380934 715 if (cmd->tag == (uintptr_t) icmd)
89c1707c
JA
716 break;
717
718 icmd = NULL;
719 }
720
721 if (!icmd) {
722 log_err("fio: client: unable to find matching tag\n");
723 return;
724 }
725
726 flist_del(&icmd->list);
727 cmd->tag = icmd->saved_tag;
728 free(icmd);
729}
730
82c1ed38 731static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
48fbb46e
JA
732{
733 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
df380934 734 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
af9c9fb3
JA
735
736 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
cf451d1e 737
f77d2676
JA
738 assert(client->eta_in_flight == eta);
739
740 client->eta_in_flight = NULL;
82c1ed38
JA
741 flist_del_init(&client->eta_list);
742
48fbb46e 743 convert_jobs_eta(je);
af9c9fb3 744 sum_jobs_eta(&eta->eta, je);
82c1ed38 745 dec_jobs_eta(eta);
cf451d1e
JA
746}
747
b5296ddb 748static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
2e03b4b2
JA
749{
750 struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload;
d2333358
JA
751 const char *os, *arch;
752 char bit[16];
2e03b4b2 753
cca84643
JA
754 os = fio_get_os_string(probe->os);
755 if (!os)
756 os = "unknown";
757
758 arch = fio_get_arch_string(probe->arch);
759 if (!arch)
760 os = "unknown";
761
d2333358 762 sprintf(bit, "%d-bit", probe->bpp * 8);
38fdef22
JA
763
764 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%u.%u.%u\n",
765 probe->hostname, probe->bigendian, bit, os, arch,
766 probe->fio_major, probe->fio_minor, probe->fio_patch);
b5296ddb
JA
767
768 if (!client->name)
769 client->name = strdup((char *) probe->hostname);
2e03b4b2
JA
770}
771
e951bdc4 772static int handle_client(struct fio_client *client)
37db14fe
JA
773{
774 struct fio_net_cmd *cmd;
775
60efd14e
JA
776 dprint(FD_NET, "client: handle %s\n", client->hostname);
777
e951bdc4
JA
778 cmd = fio_net_recv_cmd(client->fd);
779 if (!cmd)
780 return 0;
c2c94585 781
89c1707c
JA
782 dprint(FD_NET, "client: got cmd op %s from %s\n",
783 fio_server_op(cmd->opcode), client->hostname);
46c48f1f 784
e951bdc4
JA
785 switch (cmd->opcode) {
786 case FIO_NET_CMD_QUIT:
787 remove_client(client);
788 free(cmd);
789 break;
790 case FIO_NET_CMD_TEXT: {
791 const char *buf = (const char *) cmd->payload;
b5296ddb 792 const char *name;
e951bdc4
JA
793 int fio_unused ret;
794
b5296ddb
JA
795 name = client->name ? client->name : client->hostname;
796
e951bdc4 797 if (!client->skip_newline)
b5296ddb 798 fprintf(f_out, "<%s> ", name);
e951bdc4
JA
799 ret = fwrite(buf, cmd->pdu_len, 1, f_out);
800 fflush(f_out);
801 client->skip_newline = strchr(buf, '\n') == NULL;
802 free(cmd);
803 break;
37db14fe 804 }
d09a64a0
JA
805 case FIO_NET_CMD_DU:
806 handle_du(client, cmd);
807 free(cmd);
808 break;
e951bdc4
JA
809 case FIO_NET_CMD_TS:
810 handle_ts(cmd);
811 free(cmd);
812 break;
813 case FIO_NET_CMD_GS:
814 handle_gs(cmd);
815 free(cmd);
816 break;
817 case FIO_NET_CMD_ETA:
89c1707c 818 remove_reply_cmd(client, cmd);
82c1ed38 819 handle_eta(client, cmd);
e951bdc4
JA
820 free(cmd);
821 break;
822 case FIO_NET_CMD_PROBE:
89c1707c 823 remove_reply_cmd(client, cmd);
b5296ddb 824 handle_probe(client, cmd);
e951bdc4
JA
825 free(cmd);
826 break;
827 case FIO_NET_CMD_START:
828 client->state = Client_started;
829 free(cmd);
830 break;
831 case FIO_NET_CMD_STOP:
832 client->state = Client_stopped;
833 free(cmd);
834 break;
835 default:
89c1707c 836 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
e951bdc4
JA
837 free(cmd);
838 break;
37db14fe
JA
839 }
840
e951bdc4 841 return 1;
37db14fe 842}
b66570dc 843
af9c9fb3
JA
844static void request_client_etas(void)
845{
846 struct fio_client *client;
847 struct flist_head *entry;
848 struct client_eta *eta;
82c1ed38 849 int skipped = 0;
af9c9fb3
JA
850
851 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
852
af9c9fb3
JA
853 eta = malloc(sizeof(*eta));
854 memset(&eta->eta, 0, sizeof(eta->eta));
855 eta->pending = nr_clients;
856
857 flist_for_each(entry, &client_list) {
858 client = flist_entry(entry, struct fio_client, list);
859
82c1ed38
JA
860 if (!flist_empty(&client->eta_list)) {
861 skipped++;
862 continue;
863 }
864
f77d2676 865 assert(!client->eta_in_flight);
82c1ed38 866 flist_add_tail(&client->eta_list, &eta_list);
f77d2676 867 client->eta_in_flight = eta;
af9c9fb3 868 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
df380934 869 (uintptr_t) eta, &client->cmd_list);
af9c9fb3
JA
870 }
871
82c1ed38
JA
872 while (skipped--)
873 dec_jobs_eta(eta);
874
af9c9fb3
JA
875 dprint(FD_NET, "client: requested eta tag %p\n", eta);
876}
877
89c1707c
JA
878static int client_check_cmd_timeout(struct fio_client *client,
879 struct timeval *now)
880{
881 struct fio_net_int_cmd *cmd;
882 struct flist_head *entry, *tmp;
883 int ret = 0;
884
885 flist_for_each_safe(entry, tmp, &client->cmd_list) {
886 cmd = flist_entry(entry, struct fio_net_int_cmd, list);
887
888 if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT)
889 continue;
890
891 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
892 fio_server_op(cmd->cmd.opcode));
893 flist_del(&cmd->list);
894 free(cmd);
895 ret = 1;
896 }
897
898 return flist_empty(&client->cmd_list) && ret;
899}
900
901static int fio_client_timed_out(void)
902{
903 struct fio_client *client;
904 struct flist_head *entry, *tmp;
905 struct timeval tv;
906 int ret = 0;
907
908 gettimeofday(&tv, NULL);
909
910 flist_for_each_safe(entry, tmp, &client_list) {
911 client = flist_entry(entry, struct fio_client, list);
912
913 if (flist_empty(&client->cmd_list))
914 continue;
915
916 if (!client_check_cmd_timeout(client, &tv))
917 continue;
918
919 log_err("fio: client %s timed out\n", client->hostname);
920 remove_client(client);
921 ret = 1;
922 }
923
924 return ret;
925}
926
b66570dc
JA
927int fio_handle_clients(void)
928{
929 struct fio_client *client;
930 struct flist_head *entry;
931 struct pollfd *pfds;
82a4be1b 932 int i, ret = 0;
b66570dc 933
af9c9fb3
JA
934 gettimeofday(&eta_tv, NULL);
935
b66570dc
JA
936 pfds = malloc(nr_clients * sizeof(struct pollfd));
937
37f0c1ae
JA
938 sum_stat_clients = nr_clients;
939 init_thread_stat(&client_ts);
940 init_group_run_stat(&client_gs);
941
82a4be1b
JA
942 while (!exit_backend && nr_clients) {
943 i = 0;
944 flist_for_each(entry, &client_list) {
945 client = flist_entry(entry, struct fio_client, list);
b66570dc 946
82a4be1b
JA
947 pfds[i].fd = client->fd;
948 pfds[i].events = POLLIN;
949 i++;
950 }
951
952 assert(i == nr_clients);
b66570dc 953
5c2857f9 954 do {
af9c9fb3
JA
955 struct timeval tv;
956
957 gettimeofday(&tv, NULL);
958 if (mtime_since(&eta_tv, &tv) >= 900) {
959 request_client_etas();
960 memcpy(&eta_tv, &tv, sizeof(tv));
89c1707c
JA
961
962 if (fio_client_timed_out())
963 break;
af9c9fb3
JA
964 }
965
5c2857f9
JA
966 ret = poll(pfds, nr_clients, 100);
967 if (ret < 0) {
968 if (errno == EINTR)
969 continue;
970 log_err("fio: poll clients: %s\n", strerror(errno));
971 break;
972 } else if (!ret)
b66570dc 973 continue;
5c2857f9 974 } while (ret <= 0);
b66570dc
JA
975
976 for (i = 0; i < nr_clients; i++) {
977 if (!(pfds[i].revents & POLLIN))
978 continue;
979
980 client = find_client_by_fd(pfds[i].fd);
981 if (!client) {
3c5f57e3 982 log_err("fio: unknown client fd %d\n", pfds[i].fd);
b66570dc
JA
983 continue;
984 }
e951bdc4 985 if (!handle_client(client)) {
28d3ab07
JA
986 log_info("client: host=%s disconnected\n",
987 client->hostname);
988 remove_client(client);
989 }
b66570dc
JA
990 }
991 }
992
993 free(pfds);
b66570dc
JA
994 return 0;
995}