blob: ace70d357b97a3e882bacfea811e265779a85b44 [file] [log] [blame]
Jens Axboe132159a2011-09-30 15:01:32 -06001#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>
Jens Axboed05c4a02011-10-05 00:16:11 +020011#include <sys/socket.h>
Jens Axboe87aa8f12011-10-06 21:24:13 +020012#include <sys/un.h>
Jens Axboe132159a2011-09-30 15:01:32 -060013#include <netinet/in.h>
14#include <arpa/inet.h>
15#include <netdb.h>
Jens Axboe9e22ecb2011-10-04 14:50:21 +020016#include <signal.h>
Jens Axboe132159a2011-09-30 15:01:32 -060017
18#include "fio.h"
19#include "server.h"
Jens Axboeb66570d2011-10-01 11:11:35 -060020#include "flist.h"
Jens Axboe3c5f57e2011-10-06 12:37:50 +020021#include "hash.h"
Jens Axboe132159a2011-09-30 15:01:32 -060022
Jens Axboe82c1ed32011-10-10 08:56:18 +020023struct client_eta {
24 struct jobs_eta eta;
25 unsigned int pending;
26};
27
Jens Axboeb66570d2011-10-01 11:11:35 -060028struct fio_client {
29 struct flist_head list;
Jens Axboebebe6392011-10-07 10:00:51 +020030 struct flist_head hash_list;
Jens Axboe3f3a4542011-10-10 21:11:09 +020031 struct flist_head arg_list;
Jens Axboe811826b2011-10-24 09:11:50 +020032 union {
33 struct sockaddr_in addr;
34 struct sockaddr_in6 addr6;
35 struct sockaddr_un addr_un;
36 };
Jens Axboeb66570d2011-10-01 11:11:35 -060037 char *hostname;
Jens Axboebebe6392011-10-07 10:00:51 +020038 int port;
Jens Axboeb66570d2011-10-01 11:11:35 -060039 int fd;
Jens Axboe81179ee2011-10-04 12:42:06 +020040
Jens Axboeb5296dd2011-10-07 16:35:56 +020041 char *name;
42
Jens Axboe81179ee2011-10-04 12:42:06 +020043 int state;
Jens Axboeaf9c9fb2011-10-09 21:54:10 +020044
Jens Axboe17dd1762011-10-04 13:27:34 +020045 int skip_newline;
Jens Axboe87aa8f12011-10-06 21:24:13 +020046 int is_sock;
Jens Axboed09a64a2011-10-13 11:38:56 +020047 int disk_stats_shown;
Jens Axboe11e950b2011-10-16 21:34:14 +020048 unsigned int jobs;
49 int error;
Jens Axboe811826b2011-10-24 09:11:50 +020050 int ipv6;
Jens Axboe82c1ed32011-10-10 08:56:18 +020051
52 struct flist_head eta_list;
53 struct client_eta *eta_in_flight;
Jens Axboe81179ee2011-10-04 12:42:06 +020054
Jens Axboe89c17072011-10-11 10:15:51 +020055 struct flist_head cmd_list;
56
Jens Axboe81179ee2011-10-04 12:42:06 +020057 uint16_t argc;
58 char **argv;
59};
60
Jens Axboeaf9c9fb2011-10-09 21:54:10 +020061static struct timeval eta_tv;
Jens Axboe48fbb462011-10-09 12:19:08 +020062
Jens Axboe81179ee2011-10-04 12:42:06 +020063enum {
Jens Axboe5c2857f2011-10-04 13:14:32 +020064 Client_created = 0,
Jens Axboe81179ee2011-10-04 12:42:06 +020065 Client_connected = 1,
66 Client_started = 2,
Jens Axboe01be0382011-10-15 14:43:41 +020067 Client_running = 3,
68 Client_stopped = 4,
69 Client_exited = 5,
Jens Axboeb66570d2011-10-01 11:11:35 -060070};
71
72static FLIST_HEAD(client_list);
Jens Axboe82c1ed32011-10-10 08:56:18 +020073static FLIST_HEAD(eta_list);
Jens Axboeb66570d2011-10-01 11:11:35 -060074
Jens Axboe3f3a4542011-10-10 21:11:09 +020075static FLIST_HEAD(arg_list);
76
Jens Axboe37f0c1a2011-10-11 14:08:33 +020077static struct thread_stat client_ts;
78static struct group_run_stats client_gs;
79static int sum_stat_clients;
80static int sum_stat_nr;
81
Jens Axboe3c5f57e2011-10-06 12:37:50 +020082#define FIO_CLIENT_HASH_BITS 7
83#define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS)
84#define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1)
Jens Axboebebe6392011-10-07 10:00:51 +020085static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
Jens Axboe3c5f57e2011-10-06 12:37:50 +020086
Jens Axboee951bdc2011-10-05 21:58:45 +020087static int handle_client(struct fio_client *client);
Jens Axboe82c1ed32011-10-10 08:56:18 +020088static void dec_jobs_eta(struct client_eta *eta);
Jens Axboe0b8f30a2011-10-04 10:31:53 +020089
Jens Axboebebe6392011-10-07 10:00:51 +020090static void fio_client_add_hash(struct fio_client *client)
Jens Axboe3c5f57e2011-10-06 12:37:50 +020091{
92 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
93
94 bucket &= FIO_CLIENT_HASH_MASK;
Jens Axboebebe6392011-10-07 10:00:51 +020095 flist_add(&client->hash_list, &client_hash[bucket]);
Jens Axboe3c5f57e2011-10-06 12:37:50 +020096}
97
Jens Axboebebe6392011-10-07 10:00:51 +020098static void fio_client_remove_hash(struct fio_client *client)
Jens Axboe3c5f57e2011-10-06 12:37:50 +020099{
Jens Axboebebe6392011-10-07 10:00:51 +0200100 if (!flist_empty(&client->hash_list))
101 flist_del_init(&client->hash_list);
Jens Axboe3c5f57e2011-10-06 12:37:50 +0200102}
103
104static void fio_init fio_client_hash_init(void)
105{
106 int i;
107
Jens Axboebebe6392011-10-07 10:00:51 +0200108 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
109 INIT_FLIST_HEAD(&client_hash[i]);
Jens Axboe3c5f57e2011-10-06 12:37:50 +0200110}
111
Jens Axboeb66570d2011-10-01 11:11:35 -0600112static struct fio_client *find_client_by_fd(int fd)
113{
Jens Axboe3c5f57e2011-10-06 12:37:50 +0200114 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
Jens Axboeb66570d2011-10-01 11:11:35 -0600115 struct fio_client *client;
116 struct flist_head *entry;
117
Jens Axboebebe6392011-10-07 10:00:51 +0200118 flist_for_each(entry, &client_hash[bucket]) {
119 client = flist_entry(entry, struct fio_client, hash_list);
Jens Axboeb66570d2011-10-01 11:11:35 -0600120
121 if (client->fd == fd)
122 return client;
123 }
124
125 return NULL;
126}
127
Jens Axboeb66570d2011-10-01 11:11:35 -0600128static void remove_client(struct fio_client *client)
129{
Jens Axboe39e8e012011-10-04 13:46:08 +0200130 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
Jens Axboeb66570d2011-10-01 11:11:35 -0600131 flist_del(&client->list);
Jens Axboe3c5f57e2011-10-06 12:37:50 +0200132
Jens Axboebebe6392011-10-07 10:00:51 +0200133 fio_client_remove_hash(client);
Jens Axboe81179ee2011-10-04 12:42:06 +0200134
Jens Axboe82c1ed32011-10-10 08:56:18 +0200135 if (!flist_empty(&client->eta_list)) {
136 flist_del_init(&client->eta_list);
137 dec_jobs_eta(client->eta_in_flight);
138 }
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200139
Jens Axboeb66570d2011-10-01 11:11:35 -0600140 free(client->hostname);
Jens Axboe81179ee2011-10-04 12:42:06 +0200141 if (client->argv)
142 free(client->argv);
Jens Axboeb5296dd2011-10-07 16:35:56 +0200143 if (client->name)
144 free(client->name);
Jens Axboe81179ee2011-10-04 12:42:06 +0200145
Jens Axboeb66570d2011-10-01 11:11:35 -0600146 free(client);
Jens Axboe3c5f57e2011-10-06 12:37:50 +0200147 nr_clients--;
Jens Axboe5fd0acb2011-10-11 14:20:22 +0200148 sum_stat_clients--;
Jens Axboeb66570d2011-10-01 11:11:35 -0600149}
Jens Axboe132159a2011-09-30 15:01:32 -0600150
Jens Axboefa2ea802011-10-08 21:07:29 +0200151static void __fio_client_add_cmd_option(struct fio_client *client,
152 const char *opt)
Jens Axboe81179ee2011-10-04 12:42:06 +0200153{
Jens Axboe39e8e012011-10-04 13:46:08 +0200154 int index;
155
156 index = client->argc++;
Jens Axboe81179ee2011-10-04 12:42:06 +0200157 client->argv = realloc(client->argv, sizeof(char *) * client->argc);
Jens Axboe39e8e012011-10-04 13:46:08 +0200158 client->argv[index] = strdup(opt);
159 dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
Jens Axboe81179ee2011-10-04 12:42:06 +0200160}
161
Jens Axboefa2ea802011-10-08 21:07:29 +0200162void fio_client_add_cmd_option(void *cookie, const char *opt)
Jens Axboe81179ee2011-10-04 12:42:06 +0200163{
Jens Axboebebe6392011-10-07 10:00:51 +0200164 struct fio_client *client = cookie;
Jens Axboe3f3a4542011-10-10 21:11:09 +0200165 struct flist_head *entry;
Jens Axboe81179ee2011-10-04 12:42:06 +0200166
Jens Axboebebe6392011-10-07 10:00:51 +0200167 if (!client || !opt)
Jens Axboefa2ea802011-10-08 21:07:29 +0200168 return;
Jens Axboe81179ee2011-10-04 12:42:06 +0200169
Jens Axboefa2ea802011-10-08 21:07:29 +0200170 __fio_client_add_cmd_option(client, opt);
Jens Axboe3f3a4542011-10-10 21:11:09 +0200171
172 /*
173 * Duplicate arguments to shared client group
174 */
175 flist_for_each(entry, &arg_list) {
176 client = flist_entry(entry, struct fio_client, arg_list);
177
178 __fio_client_add_cmd_option(client, opt);
179 }
Jens Axboe81179ee2011-10-04 12:42:06 +0200180}
181
Jens Axboebebe6392011-10-07 10:00:51 +0200182int fio_client_add(const char *hostname, void **cookie)
Jens Axboe132159a2011-09-30 15:01:32 -0600183{
Jens Axboe3f3a4542011-10-10 21:11:09 +0200184 struct fio_client *existing = *cookie;
Jens Axboeb66570d2011-10-01 11:11:35 -0600185 struct fio_client *client;
Jens Axboe132159a2011-09-30 15:01:32 -0600186
Jens Axboe3f3a4542011-10-10 21:11:09 +0200187 if (existing) {
188 /*
189 * We always add our "exec" name as the option, hence 1
190 * means empty.
191 */
192 if (existing->argc == 1)
193 flist_add_tail(&existing->arg_list, &arg_list);
194 else {
195 while (!flist_empty(&arg_list))
196 flist_del_init(arg_list.next);
197 }
198 }
199
Jens Axboeb66570d2011-10-01 11:11:35 -0600200 client = malloc(sizeof(*client));
Jens Axboea37f69b2011-10-01 12:24:21 -0600201 memset(client, 0, sizeof(*client));
Jens Axboe81179ee2011-10-04 12:42:06 +0200202
Jens Axboe3c5f57e2011-10-06 12:37:50 +0200203 INIT_FLIST_HEAD(&client->list);
Jens Axboebebe6392011-10-07 10:00:51 +0200204 INIT_FLIST_HEAD(&client->hash_list);
Jens Axboe3f3a4542011-10-10 21:11:09 +0200205 INIT_FLIST_HEAD(&client->arg_list);
Jens Axboe82c1ed32011-10-10 08:56:18 +0200206 INIT_FLIST_HEAD(&client->eta_list);
Jens Axboe89c17072011-10-11 10:15:51 +0200207 INIT_FLIST_HEAD(&client->cmd_list);
Jens Axboe3c5f57e2011-10-06 12:37:50 +0200208
Jens Axboebebe6392011-10-07 10:00:51 +0200209 if (fio_server_parse_string(hostname, &client->hostname,
210 &client->is_sock, &client->port,
Jens Axboe811826b2011-10-24 09:11:50 +0200211 &client->addr.sin_addr,
212 &client->addr6.sin6_addr,
213 &client->ipv6))
Jens Axboebebe6392011-10-07 10:00:51 +0200214 return -1;
215
Jens Axboea37f69b2011-10-01 12:24:21 -0600216 client->fd = -1;
Jens Axboe81179ee2011-10-04 12:42:06 +0200217
218 __fio_client_add_cmd_option(client, "fio");
219
Jens Axboea37f69b2011-10-01 12:24:21 -0600220 flist_add(&client->list, &client_list);
221 nr_clients++;
Jens Axboebebe6392011-10-07 10:00:51 +0200222 dprint(FD_NET, "client: added <%s>\n", client->hostname);
223 *cookie = client;
224 return 0;
Jens Axboea37f69b2011-10-01 12:24:21 -0600225}
226
Jens Axboe87aa8f12011-10-06 21:24:13 +0200227static int fio_client_connect_ip(struct fio_client *client)
Jens Axboea37f69b2011-10-01 12:24:21 -0600228{
Jens Axboe811826b2011-10-24 09:11:50 +0200229 struct sockaddr *addr;
230 fio_socklen_t socklen;
231 int fd, domain;
Jens Axboe132159a2011-09-30 15:01:32 -0600232
Jens Axboe811826b2011-10-24 09:11:50 +0200233 if (client->ipv6) {
234 client->addr6.sin6_family = AF_INET6;
235 client->addr6.sin6_port = htons(client->port);
236 domain = AF_INET6;
237 addr = (struct sockaddr *) &client->addr6;
238 socklen = sizeof(client->addr6);
239 } else {
240 client->addr.sin_family = AF_INET;
241 client->addr.sin_port = htons(client->port);
242 domain = AF_INET;
243 addr = (struct sockaddr *) &client->addr;
244 socklen = sizeof(client->addr);
245 }
Jens Axboe132159a2011-09-30 15:01:32 -0600246
Jens Axboe811826b2011-10-24 09:11:50 +0200247 fd = socket(domain, SOCK_STREAM, 0);
Jens Axboe132159a2011-09-30 15:01:32 -0600248 if (fd < 0) {
249 log_err("fio: socket: %s\n", strerror(errno));
Jens Axboe87aa8f12011-10-06 21:24:13 +0200250 return -1;
Jens Axboe132159a2011-09-30 15:01:32 -0600251 }
252
Jens Axboe811826b2011-10-24 09:11:50 +0200253 if (connect(fd, addr, socklen) < 0) {
Jens Axboe132159a2011-09-30 15:01:32 -0600254 log_err("fio: connect: %s\n", strerror(errno));
Jens Axboea7de0a12011-10-07 12:55:14 +0200255 log_err("fio: failed to connect to %s:%u\n", client->hostname,
256 client->port);
Jens Axboeb94cba42011-10-06 21:27:10 +0200257 close(fd);
Jens Axboe87aa8f12011-10-06 21:24:13 +0200258 return -1;
Jens Axboe132159a2011-09-30 15:01:32 -0600259 }
260
Jens Axboe87aa8f12011-10-06 21:24:13 +0200261 return fd;
262}
263
264static int fio_client_connect_sock(struct fio_client *client)
265{
266 struct sockaddr_un *addr = &client->addr_un;
267 fio_socklen_t len;
268 int fd;
269
270 memset(addr, 0, sizeof(*addr));
271 addr->sun_family = AF_UNIX;
272 strcpy(addr->sun_path, client->hostname);
273
274 fd = socket(AF_UNIX, SOCK_STREAM, 0);
275 if (fd < 0) {
276 log_err("fio: socket: %s\n", strerror(errno));
277 return -1;
278 }
279
280 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
281 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
282 log_err("fio: connect; %s\n", strerror(errno));
Jens Axboeb94cba42011-10-06 21:27:10 +0200283 close(fd);
Jens Axboe87aa8f12011-10-06 21:24:13 +0200284 return -1;
285 }
286
287 return fd;
288}
289
290static int fio_client_connect(struct fio_client *client)
291{
292 int fd;
293
294 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
295
Jens Axboe87aa8f12011-10-06 21:24:13 +0200296 if (client->is_sock)
297 fd = fio_client_connect_sock(client);
298 else
299 fd = fio_client_connect_ip(client);
300
Jens Axboe89c17072011-10-11 10:15:51 +0200301 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
302
Jens Axboe87aa8f12011-10-06 21:24:13 +0200303 if (fd < 0)
304 return 1;
305
Jens Axboeb66570d2011-10-01 11:11:35 -0600306 client->fd = fd;
Jens Axboebebe6392011-10-07 10:00:51 +0200307 fio_client_add_hash(client);
Jens Axboe81179ee2011-10-04 12:42:06 +0200308 client->state = Client_connected;
Jens Axboe132159a2011-09-30 15:01:32 -0600309 return 0;
310}
311
Jens Axboecc0df002011-10-03 20:53:32 +0200312void fio_clients_terminate(void)
313{
314 struct flist_head *entry;
315 struct fio_client *client;
316
Jens Axboe60efd142011-10-04 13:30:11 +0200317 dprint(FD_NET, "client: terminate clients\n");
318
Jens Axboecc0df002011-10-03 20:53:32 +0200319 flist_for_each(entry, &client_list) {
320 client = flist_entry(entry, struct fio_client, list);
321
Jens Axboe89c17072011-10-11 10:15:51 +0200322 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL);
Jens Axboecc0df002011-10-03 20:53:32 +0200323 }
324}
325
326static void sig_int(int sig)
327{
Jens Axboebebe6392011-10-07 10:00:51 +0200328 dprint(FD_NET, "client: got signal %d\n", sig);
Jens Axboecc0df002011-10-03 20:53:32 +0200329 fio_clients_terminate();
330}
331
332static void client_signal_handler(void)
333{
334 struct sigaction act;
335
336 memset(&act, 0, sizeof(act));
337 act.sa_handler = sig_int;
338 act.sa_flags = SA_RESTART;
339 sigaction(SIGINT, &act, NULL);
340
341 memset(&act, 0, sizeof(act));
342 act.sa_handler = sig_int;
343 act.sa_flags = SA_RESTART;
344 sigaction(SIGTERM, &act, NULL);
345}
346
Jens Axboe0b8f30a2011-10-04 10:31:53 +0200347static void probe_client(struct fio_client *client)
348{
Jens Axboe60efd142011-10-04 13:30:11 +0200349 dprint(FD_NET, "client: send probe\n");
350
Jens Axboe89c17072011-10-11 10:15:51 +0200351 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list);
Jens Axboe0b8f30a2011-10-04 10:31:53 +0200352}
353
Jens Axboe81179ee2011-10-04 12:42:06 +0200354static int send_client_cmd_line(struct fio_client *client)
355{
Jens Axboefa2ea802011-10-08 21:07:29 +0200356 struct cmd_single_line_pdu *cslp;
357 struct cmd_line_pdu *clp;
358 unsigned long offset;
Jens Axboe7f868312011-10-10 09:55:21 +0200359 unsigned int *lens;
Jens Axboefa2ea802011-10-08 21:07:29 +0200360 void *pdu;
361 size_t mem;
Jens Axboe81179ee2011-10-04 12:42:06 +0200362 int i, ret;
363
Jens Axboe39e8e012011-10-04 13:46:08 +0200364 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
Jens Axboe60efd142011-10-04 13:30:11 +0200365
Jens Axboe7f868312011-10-10 09:55:21 +0200366 lens = malloc(client->argc * sizeof(unsigned int));
367
Jens Axboefa2ea802011-10-08 21:07:29 +0200368 /*
369 * Find out how much mem we need
370 */
Jens Axboe7f868312011-10-10 09:55:21 +0200371 for (i = 0, mem = 0; i < client->argc; i++) {
372 lens[i] = strlen(client->argv[i]) + 1;
373 mem += lens[i];
374 }
Jens Axboe81179ee2011-10-04 12:42:06 +0200375
Jens Axboefa2ea802011-10-08 21:07:29 +0200376 /*
377 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
378 */
379 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
380
381 pdu = malloc(mem);
382 clp = pdu;
383 offset = sizeof(*clp);
384
385 for (i = 0; i < client->argc; i++) {
Jens Axboe7f868312011-10-10 09:55:21 +0200386 uint16_t arg_len = lens[i];
Jens Axboefa2ea802011-10-08 21:07:29 +0200387
388 cslp = pdu + offset;
389 strcpy((char *) cslp->text, client->argv[i]);
390 cslp->len = cpu_to_le16(arg_len);
391 offset += sizeof(*cslp) + arg_len;
392 }
393
Jens Axboe7f868312011-10-10 09:55:21 +0200394 free(lens);
Jens Axboefa2ea802011-10-08 21:07:29 +0200395 clp->lines = cpu_to_le16(client->argc);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200396 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0);
Jens Axboe81179ee2011-10-04 12:42:06 +0200397 free(pdu);
398 return ret;
399}
400
Jens Axboea37f69b2011-10-01 12:24:21 -0600401int fio_clients_connect(void)
402{
403 struct fio_client *client;
404 struct flist_head *entry, *tmp;
405 int ret;
406
Bruce Cran93bcfd22012-02-20 20:18:19 +0100407#ifdef WIN32
408 WSADATA wsd;
409 WSAStartup(MAKEWORD(2,2), &wsd);
410#endif
411
Jens Axboe60efd142011-10-04 13:30:11 +0200412 dprint(FD_NET, "client: connect all\n");
413
Jens Axboecc0df002011-10-03 20:53:32 +0200414 client_signal_handler();
415
Jens Axboea37f69b2011-10-01 12:24:21 -0600416 flist_for_each_safe(entry, tmp, &client_list) {
417 client = flist_entry(entry, struct fio_client, list);
418
419 ret = fio_client_connect(client);
Jens Axboe0b8f30a2011-10-04 10:31:53 +0200420 if (ret) {
Jens Axboea37f69b2011-10-01 12:24:21 -0600421 remove_client(client);
Jens Axboe0b8f30a2011-10-04 10:31:53 +0200422 continue;
423 }
424
425 probe_client(client);
Jens Axboe81179ee2011-10-04 12:42:06 +0200426
427 if (client->argc > 1)
428 send_client_cmd_line(client);
Jens Axboea37f69b2011-10-01 12:24:21 -0600429 }
430
431 return !nr_clients;
432}
433
Jens Axboe132159a2011-09-30 15:01:32 -0600434/*
435 * Send file contents to server backend. We could use sendfile(), but to remain
436 * more portable lets just read/write the darn thing.
437 */
Jens Axboea37f69b2011-10-01 12:24:21 -0600438static int fio_client_send_ini(struct fio_client *client, const char *filename)
Jens Axboe132159a2011-09-30 15:01:32 -0600439{
440 struct stat sb;
441 char *p, *buf;
442 off_t len;
443 int fd, ret;
444
Jens Axboe46c48f12011-10-01 12:50:51 -0600445 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
446
Jens Axboe132159a2011-09-30 15:01:32 -0600447 fd = open(filename, O_RDONLY);
448 if (fd < 0) {
Jens Axboee951bdc2011-10-05 21:58:45 +0200449 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
Jens Axboe132159a2011-09-30 15:01:32 -0600450 return 1;
451 }
452
453 if (fstat(fd, &sb) < 0) {
454 log_err("fio: job file stat: %s\n", strerror(errno));
Jens Axboeb94cba42011-10-06 21:27:10 +0200455 close(fd);
Jens Axboe132159a2011-09-30 15:01:32 -0600456 return 1;
457 }
458
459 buf = malloc(sb.st_size);
460
461 len = sb.st_size;
462 p = buf;
463 do {
464 ret = read(fd, p, len);
465 if (ret > 0) {
466 len -= ret;
467 if (!len)
468 break;
469 p += ret;
470 continue;
471 } else if (!ret)
472 break;
473 else if (errno == EAGAIN || errno == EINTR)
474 continue;
475 } while (1);
476
Jens Axboe0b8f30a2011-10-04 10:31:53 +0200477 if (len) {
478 log_err("fio: failed reading job file %s\n", filename);
Jens Axboeb94cba42011-10-06 21:27:10 +0200479 close(fd);
Jens Axboec524ef72011-10-07 12:23:34 +0200480 free(buf);
Jens Axboe0b8f30a2011-10-04 10:31:53 +0200481 return 1;
482 }
483
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200484 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0);
Jens Axboe132159a2011-09-30 15:01:32 -0600485 free(buf);
Jens Axboeb94cba42011-10-06 21:27:10 +0200486 close(fd);
Jens Axboe132159a2011-09-30 15:01:32 -0600487 return ret;
488}
Jens Axboe37db14f2011-09-30 17:00:42 -0600489
Jens Axboea37f69b2011-10-01 12:24:21 -0600490int fio_clients_send_ini(const char *filename)
491{
492 struct fio_client *client;
493 struct flist_head *entry, *tmp;
494
495 flist_for_each_safe(entry, tmp, &client_list) {
496 client = flist_entry(entry, struct fio_client, list);
497
498 if (fio_client_send_ini(client, filename))
499 remove_client(client);
500 }
501
502 return !nr_clients;
503}
504
Jens Axboea64e88d2011-10-03 14:20:01 +0200505static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
506{
507 dst->max_val = le64_to_cpu(src->max_val);
508 dst->min_val = le64_to_cpu(src->min_val);
509 dst->samples = le64_to_cpu(src->samples);
Jens Axboe802ad4a2011-10-05 09:51:58 +0200510
511 /*
512 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
513 */
514 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
515 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
Jens Axboea64e88d2011-10-03 14:20:01 +0200516}
517
518static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
519{
520 int i, j;
521
522 dst->error = le32_to_cpu(src->error);
523 dst->groupid = le32_to_cpu(src->groupid);
524 dst->pid = le32_to_cpu(src->pid);
525 dst->members = le32_to_cpu(src->members);
526
527 for (i = 0; i < 2; i++) {
528 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
529 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
530 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
531 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
532 }
533
534 dst->usr_time = le64_to_cpu(src->usr_time);
535 dst->sys_time = le64_to_cpu(src->sys_time);
536 dst->ctx = le64_to_cpu(src->ctx);
537 dst->minf = le64_to_cpu(src->minf);
538 dst->majf = le64_to_cpu(src->majf);
539 dst->clat_percentiles = le64_to_cpu(src->clat_percentiles);
Jens Axboe802ad4a2011-10-05 09:51:58 +0200540
541 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
542 fio_fp64_t *fps = &src->percentile_list[i];
543 fio_fp64_t *fpd = &dst->percentile_list[i];
544
545 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
546 }
Jens Axboea64e88d2011-10-03 14:20:01 +0200547
548 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
549 dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]);
550 dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]);
551 dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]);
552 }
553
554 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
555 dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]);
556 dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]);
557 }
558
559 for (i = 0; i < 2; i++)
560 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
561 dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]);
562
563 for (i = 0; i < 3; i++) {
564 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
Jens Axboe93eee042011-10-03 21:08:48 +0200565 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
Jens Axboea64e88d2011-10-03 14:20:01 +0200566 }
567
568 dst->total_submit = le64_to_cpu(src->total_submit);
569 dst->total_complete = le64_to_cpu(src->total_complete);
570
571 for (i = 0; i < 2; i++) {
572 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
573 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
574 }
575
576 dst->total_run_time = le64_to_cpu(src->total_run_time);
577 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
578 dst->total_err_count = le64_to_cpu(src->total_err_count);
Jens Axboeddcc0b62011-10-03 14:45:27 +0200579 dst->first_error = le32_to_cpu(src->first_error);
580 dst->kb_base = le32_to_cpu(src->kb_base);
Jens Axboea64e88d2011-10-03 14:20:01 +0200581}
582
583static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
584{
585 int i;
586
587 for (i = 0; i < 2; i++) {
588 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
589 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
590 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
591 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
592 dst->io_kb[i] = le64_to_cpu(src->io_kb[i]);
593 dst->agg[i] = le64_to_cpu(src->agg[i]);
594 }
595
596 dst->kb_base = le32_to_cpu(src->kb_base);
597 dst->groupid = le32_to_cpu(src->groupid);
598}
599
600static void handle_ts(struct fio_net_cmd *cmd)
601{
602 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
603
604 convert_ts(&p->ts, &p->ts);
605 convert_gs(&p->rs, &p->rs);
606
607 show_thread_status(&p->ts, &p->rs);
Jens Axboe37f0c1a2011-10-11 14:08:33 +0200608
609 if (sum_stat_clients == 1)
610 return;
611
612 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr);
613 sum_group_stats(&client_gs, &p->rs);
614
615 client_ts.members++;
616 client_ts.groupid = p->ts.groupid;
617
618 if (++sum_stat_nr == sum_stat_clients) {
619 strcpy(client_ts.name, "All clients");
620 show_thread_status(&client_ts, &client_gs);
621 }
Jens Axboea64e88d2011-10-03 14:20:01 +0200622}
623
624static void handle_gs(struct fio_net_cmd *cmd)
625{
626 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
627
628 convert_gs(gs, gs);
629 show_group_stats(gs);
630}
631
Jens Axboed09a64a2011-10-13 11:38:56 +0200632static void convert_agg(struct disk_util_agg *agg)
633{
634 int i;
635
636 for (i = 0; i < 2; i++) {
637 agg->ios[i] = le32_to_cpu(agg->ios[i]);
638 agg->merges[i] = le32_to_cpu(agg->merges[i]);
639 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
640 agg->ticks[i] = le32_to_cpu(agg->ticks[i]);
641 }
642
643 agg->io_ticks = le32_to_cpu(agg->io_ticks);
644 agg->time_in_queue = le32_to_cpu(agg->time_in_queue);
645 agg->slavecount = le32_to_cpu(agg->slavecount);
Anton Blanchard823ba542011-11-07 14:16:26 +0100646 agg->max_util.u.f = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i));
Jens Axboed09a64a2011-10-13 11:38:56 +0200647}
648
649static void convert_dus(struct disk_util_stat *dus)
650{
651 int i;
652
653 for (i = 0; i < 2; i++) {
654 dus->ios[i] = le32_to_cpu(dus->ios[i]);
655 dus->merges[i] = le32_to_cpu(dus->merges[i]);
656 dus->sectors[i] = le64_to_cpu(dus->sectors[i]);
657 dus->ticks[i] = le32_to_cpu(dus->ticks[i]);
658 }
659
660 dus->io_ticks = le32_to_cpu(dus->io_ticks);
661 dus->time_in_queue = le32_to_cpu(dus->time_in_queue);
662 dus->msec = le64_to_cpu(dus->msec);
663}
664
665static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
666{
667 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
668
669 convert_dus(&du->dus);
670 convert_agg(&du->agg);
671
672 if (!client->disk_stats_shown) {
673 client->disk_stats_shown = 1;
674 log_info("\nDisk stats (read/write):\n");
675 }
676
Jens Axboef2f788d2011-10-13 14:03:52 +0200677 print_disk_util(&du->dus, &du->agg, terse_output);
Jens Axboed09a64a2011-10-13 11:38:56 +0200678}
679
Jens Axboe48fbb462011-10-09 12:19:08 +0200680static void convert_jobs_eta(struct jobs_eta *je)
Jens Axboecf451d12011-10-03 16:48:30 +0200681{
Jens Axboecf451d12011-10-03 16:48:30 +0200682 int i;
683
684 je->nr_running = le32_to_cpu(je->nr_running);
685 je->nr_ramp = le32_to_cpu(je->nr_ramp);
686 je->nr_pending = le32_to_cpu(je->nr_pending);
687 je->files_open = le32_to_cpu(je->files_open);
688 je->m_rate = le32_to_cpu(je->m_rate);
689 je->t_rate = le32_to_cpu(je->t_rate);
690 je->m_iops = le32_to_cpu(je->m_iops);
691 je->t_iops = le32_to_cpu(je->t_iops);
692
693 for (i = 0; i < 2; i++) {
694 je->rate[i] = le32_to_cpu(je->rate[i]);
695 je->iops[i] = le32_to_cpu(je->iops[i]);
696 }
697
Jens Axboeb51eedb2011-10-09 12:13:39 +0200698 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
Jens Axboecf451d12011-10-03 16:48:30 +0200699 je->eta_sec = le64_to_cpu(je->eta_sec);
Jens Axboe48fbb462011-10-09 12:19:08 +0200700}
Jens Axboecf451d12011-10-03 16:48:30 +0200701
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200702static void sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
Jens Axboe48fbb462011-10-09 12:19:08 +0200703{
Jens Axboe48fbb462011-10-09 12:19:08 +0200704 int i;
705
706 dst->nr_running += je->nr_running;
707 dst->nr_ramp += je->nr_ramp;
708 dst->nr_pending += je->nr_pending;
709 dst->files_open += je->files_open;
710 dst->m_rate += je->m_rate;
711 dst->t_rate += je->t_rate;
712 dst->m_iops += je->m_iops;
713 dst->t_iops += je->t_iops;
714
715 for (i = 0; i < 2; i++) {
716 dst->rate[i] += je->rate[i];
717 dst->iops[i] += je->iops[i];
718 }
719
720 dst->elapsed_sec += je->elapsed_sec;
721
722 if (je->eta_sec > dst->eta_sec)
723 dst->eta_sec = je->eta_sec;
724}
725
Jens Axboe82c1ed32011-10-10 08:56:18 +0200726static void dec_jobs_eta(struct client_eta *eta)
727{
728 if (!--eta->pending) {
729 display_thread_status(&eta->eta);
730 free(eta);
731 }
732}
733
Jens Axboe89c17072011-10-11 10:15:51 +0200734static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
735{
736 struct fio_net_int_cmd *icmd = NULL;
737 struct flist_head *entry;
738
739 flist_for_each(entry, &client->cmd_list) {
740 icmd = flist_entry(entry, struct fio_net_int_cmd, list);
741
Jens Axboedf380932011-10-11 14:25:08 +0200742 if (cmd->tag == (uintptr_t) icmd)
Jens Axboe89c17072011-10-11 10:15:51 +0200743 break;
744
745 icmd = NULL;
746 }
747
748 if (!icmd) {
749 log_err("fio: client: unable to find matching tag\n");
750 return;
751 }
752
753 flist_del(&icmd->list);
754 cmd->tag = icmd->saved_tag;
755 free(icmd);
756}
757
Jens Axboe82c1ed32011-10-10 08:56:18 +0200758static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
Jens Axboe48fbb462011-10-09 12:19:08 +0200759{
760 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
Jens Axboedf380932011-10-11 14:25:08 +0200761 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200762
763 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
Jens Axboe48fbb462011-10-09 12:19:08 +0200764
Jens Axboef77d2672011-10-10 14:36:07 +0200765 assert(client->eta_in_flight == eta);
766
767 client->eta_in_flight = NULL;
Jens Axboe82c1ed32011-10-10 08:56:18 +0200768 flist_del_init(&client->eta_list);
769
Jens Axboe48fbb462011-10-09 12:19:08 +0200770 convert_jobs_eta(je);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200771 sum_jobs_eta(&eta->eta, je);
Jens Axboe82c1ed32011-10-10 08:56:18 +0200772 dec_jobs_eta(eta);
Jens Axboecf451d12011-10-03 16:48:30 +0200773}
774
Jens Axboeb5296dd2011-10-07 16:35:56 +0200775static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
Jens Axboe2e03b4b2011-10-04 09:00:40 +0200776{
777 struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload;
Jens Axboed2333352011-10-11 15:07:23 +0200778 const char *os, *arch;
779 char bit[16];
Jens Axboe2e03b4b2011-10-04 09:00:40 +0200780
Jens Axboecca84642011-10-07 12:47:57 +0200781 os = fio_get_os_string(probe->os);
782 if (!os)
783 os = "unknown";
784
785 arch = fio_get_arch_string(probe->arch);
786 if (!arch)
787 os = "unknown";
788
Jens Axboed2333352011-10-11 15:07:23 +0200789 sprintf(bit, "%d-bit", probe->bpp * 8);
Jens Axboe38fdef22011-10-11 14:30:06 +0200790
791 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%u.%u.%u\n",
792 probe->hostname, probe->bigendian, bit, os, arch,
793 probe->fio_major, probe->fio_minor, probe->fio_patch);
Jens Axboeb5296dd2011-10-07 16:35:56 +0200794
795 if (!client->name)
796 client->name = strdup((char *) probe->hostname);
Jens Axboe2e03b4b2011-10-04 09:00:40 +0200797}
798
Jens Axboe11e950b2011-10-16 21:34:14 +0200799static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
800{
801 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
802
803 client->state = Client_started;
804 client->jobs = le32_to_cpu(pdu->jobs);
805}
806
807static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd)
808{
809 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
810
811 client->state = Client_stopped;
812 client->error = le32_to_cpu(pdu->error);
Jens Axboe498c92c2011-10-17 09:14:42 +0200813
814 if (client->error)
815 log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
Jens Axboe11e950b2011-10-16 21:34:14 +0200816}
817
Jens Axboee951bdc2011-10-05 21:58:45 +0200818static int handle_client(struct fio_client *client)
Jens Axboe37db14f2011-09-30 17:00:42 -0600819{
820 struct fio_net_cmd *cmd;
821
Jens Axboe60efd142011-10-04 13:30:11 +0200822 dprint(FD_NET, "client: handle %s\n", client->hostname);
823
Jens Axboee951bdc2011-10-05 21:58:45 +0200824 cmd = fio_net_recv_cmd(client->fd);
825 if (!cmd)
826 return 0;
Jens Axboec2c94582011-10-05 20:31:30 +0200827
Jens Axboe89c17072011-10-11 10:15:51 +0200828 dprint(FD_NET, "client: got cmd op %s from %s\n",
829 fio_server_op(cmd->opcode), client->hostname);
Jens Axboe46c48f12011-10-01 12:50:51 -0600830
Jens Axboee951bdc2011-10-05 21:58:45 +0200831 switch (cmd->opcode) {
832 case FIO_NET_CMD_QUIT:
833 remove_client(client);
834 free(cmd);
835 break;
836 case FIO_NET_CMD_TEXT: {
837 const char *buf = (const char *) cmd->payload;
Jens Axboeb5296dd2011-10-07 16:35:56 +0200838 const char *name;
Jens Axboee951bdc2011-10-05 21:58:45 +0200839 int fio_unused ret;
Jens Axboe17dd1762011-10-04 13:27:34 +0200840
Jens Axboeb5296dd2011-10-07 16:35:56 +0200841 name = client->name ? client->name : client->hostname;
842
Jens Axboee951bdc2011-10-05 21:58:45 +0200843 if (!client->skip_newline)
Jens Axboeb5296dd2011-10-07 16:35:56 +0200844 fprintf(f_out, "<%s> ", name);
Jens Axboee951bdc2011-10-05 21:58:45 +0200845 ret = fwrite(buf, cmd->pdu_len, 1, f_out);
846 fflush(f_out);
847 client->skip_newline = strchr(buf, '\n') == NULL;
848 free(cmd);
849 break;
Jens Axboe37db14f2011-09-30 17:00:42 -0600850 }
Jens Axboed09a64a2011-10-13 11:38:56 +0200851 case FIO_NET_CMD_DU:
852 handle_du(client, cmd);
853 free(cmd);
854 break;
Jens Axboee951bdc2011-10-05 21:58:45 +0200855 case FIO_NET_CMD_TS:
856 handle_ts(cmd);
857 free(cmd);
858 break;
859 case FIO_NET_CMD_GS:
860 handle_gs(cmd);
861 free(cmd);
862 break;
863 case FIO_NET_CMD_ETA:
Jens Axboe89c17072011-10-11 10:15:51 +0200864 remove_reply_cmd(client, cmd);
Jens Axboe82c1ed32011-10-10 08:56:18 +0200865 handle_eta(client, cmd);
Jens Axboee951bdc2011-10-05 21:58:45 +0200866 free(cmd);
867 break;
868 case FIO_NET_CMD_PROBE:
Jens Axboe89c17072011-10-11 10:15:51 +0200869 remove_reply_cmd(client, cmd);
Jens Axboeb5296dd2011-10-07 16:35:56 +0200870 handle_probe(client, cmd);
Jens Axboee951bdc2011-10-05 21:58:45 +0200871 free(cmd);
872 break;
Jens Axboe01be0382011-10-15 14:43:41 +0200873 case FIO_NET_CMD_RUN:
874 client->state = Client_running;
875 free(cmd);
876 break;
Jens Axboee951bdc2011-10-05 21:58:45 +0200877 case FIO_NET_CMD_START:
Jens Axboe11e950b2011-10-16 21:34:14 +0200878 handle_start(client, cmd);
Jens Axboee951bdc2011-10-05 21:58:45 +0200879 free(cmd);
880 break;
881 case FIO_NET_CMD_STOP:
Jens Axboe11e950b2011-10-16 21:34:14 +0200882 handle_stop(client, cmd);
Jens Axboee951bdc2011-10-05 21:58:45 +0200883 free(cmd);
884 break;
885 default:
Jens Axboe89c17072011-10-11 10:15:51 +0200886 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
Jens Axboee951bdc2011-10-05 21:58:45 +0200887 free(cmd);
888 break;
Jens Axboe37db14f2011-09-30 17:00:42 -0600889 }
890
Jens Axboee951bdc2011-10-05 21:58:45 +0200891 return 1;
Jens Axboe37db14f2011-09-30 17:00:42 -0600892}
Jens Axboeb66570d2011-10-01 11:11:35 -0600893
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200894static void request_client_etas(void)
895{
896 struct fio_client *client;
897 struct flist_head *entry;
898 struct client_eta *eta;
Jens Axboe82c1ed32011-10-10 08:56:18 +0200899 int skipped = 0;
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200900
901 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
902
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200903 eta = malloc(sizeof(*eta));
904 memset(&eta->eta, 0, sizeof(eta->eta));
905 eta->pending = nr_clients;
906
907 flist_for_each(entry, &client_list) {
908 client = flist_entry(entry, struct fio_client, list);
909
Jens Axboe82c1ed32011-10-10 08:56:18 +0200910 if (!flist_empty(&client->eta_list)) {
911 skipped++;
912 continue;
913 }
Jens Axboe01be0382011-10-15 14:43:41 +0200914 if (client->state != Client_running)
915 continue;
Jens Axboe82c1ed32011-10-10 08:56:18 +0200916
Jens Axboef77d2672011-10-10 14:36:07 +0200917 assert(!client->eta_in_flight);
Jens Axboe82c1ed32011-10-10 08:56:18 +0200918 flist_add_tail(&client->eta_list, &eta_list);
Jens Axboef77d2672011-10-10 14:36:07 +0200919 client->eta_in_flight = eta;
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200920 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
Jens Axboedf380932011-10-11 14:25:08 +0200921 (uintptr_t) eta, &client->cmd_list);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200922 }
923
Jens Axboe82c1ed32011-10-10 08:56:18 +0200924 while (skipped--)
925 dec_jobs_eta(eta);
926
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200927 dprint(FD_NET, "client: requested eta tag %p\n", eta);
928}
929
Jens Axboe89c17072011-10-11 10:15:51 +0200930static int client_check_cmd_timeout(struct fio_client *client,
931 struct timeval *now)
932{
933 struct fio_net_int_cmd *cmd;
934 struct flist_head *entry, *tmp;
935 int ret = 0;
936
937 flist_for_each_safe(entry, tmp, &client->cmd_list) {
938 cmd = flist_entry(entry, struct fio_net_int_cmd, list);
939
940 if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT)
941 continue;
942
943 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
944 fio_server_op(cmd->cmd.opcode));
945 flist_del(&cmd->list);
946 free(cmd);
947 ret = 1;
948 }
949
950 return flist_empty(&client->cmd_list) && ret;
951}
952
953static int fio_client_timed_out(void)
954{
955 struct fio_client *client;
956 struct flist_head *entry, *tmp;
957 struct timeval tv;
958 int ret = 0;
959
960 gettimeofday(&tv, NULL);
961
962 flist_for_each_safe(entry, tmp, &client_list) {
963 client = flist_entry(entry, struct fio_client, list);
964
965 if (flist_empty(&client->cmd_list))
966 continue;
967
968 if (!client_check_cmd_timeout(client, &tv))
969 continue;
970
971 log_err("fio: client %s timed out\n", client->hostname);
972 remove_client(client);
973 ret = 1;
974 }
975
976 return ret;
977}
978
Jens Axboeb66570d2011-10-01 11:11:35 -0600979int fio_handle_clients(void)
980{
981 struct fio_client *client;
982 struct flist_head *entry;
983 struct pollfd *pfds;
Jens Axboe498c92c2011-10-17 09:14:42 +0200984 int i, ret = 0, retval = 0;
Jens Axboeb66570d2011-10-01 11:11:35 -0600985
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200986 gettimeofday(&eta_tv, NULL);
987
Jens Axboeb66570d2011-10-01 11:11:35 -0600988 pfds = malloc(nr_clients * sizeof(struct pollfd));
989
Jens Axboe37f0c1a2011-10-11 14:08:33 +0200990 sum_stat_clients = nr_clients;
991 init_thread_stat(&client_ts);
992 init_group_run_stat(&client_gs);
993
Jens Axboeb66570d2011-10-01 11:11:35 -0600994 while (!exit_backend && nr_clients) {
Jens Axboe82a4be12011-10-01 12:40:32 -0600995 i = 0;
996 flist_for_each(entry, &client_list) {
997 client = flist_entry(entry, struct fio_client, list);
998
999 pfds[i].fd = client->fd;
1000 pfds[i].events = POLLIN;
1001 i++;
1002 }
1003
1004 assert(i == nr_clients);
1005
Jens Axboe5c2857f2011-10-04 13:14:32 +02001006 do {
Jens Axboeaf9c9fb2011-10-09 21:54:10 +02001007 struct timeval tv;
1008
1009 gettimeofday(&tv, NULL);
1010 if (mtime_since(&eta_tv, &tv) >= 900) {
1011 request_client_etas();
1012 memcpy(&eta_tv, &tv, sizeof(tv));
Jens Axboe89c17072011-10-11 10:15:51 +02001013
1014 if (fio_client_timed_out())
1015 break;
Jens Axboeaf9c9fb2011-10-09 21:54:10 +02001016 }
1017
Jens Axboe5c2857f2011-10-04 13:14:32 +02001018 ret = poll(pfds, nr_clients, 100);
1019 if (ret < 0) {
1020 if (errno == EINTR)
1021 continue;
1022 log_err("fio: poll clients: %s\n", strerror(errno));
1023 break;
1024 } else if (!ret)
Jens Axboeb66570d2011-10-01 11:11:35 -06001025 continue;
Jens Axboe5c2857f2011-10-04 13:14:32 +02001026 } while (ret <= 0);
Jens Axboeb66570d2011-10-01 11:11:35 -06001027
1028 for (i = 0; i < nr_clients; i++) {
1029 if (!(pfds[i].revents & POLLIN))
1030 continue;
1031
1032 client = find_client_by_fd(pfds[i].fd);
1033 if (!client) {
Jens Axboe3c5f57e2011-10-06 12:37:50 +02001034 log_err("fio: unknown client fd %d\n", pfds[i].fd);
Jens Axboeb66570d2011-10-01 11:11:35 -06001035 continue;
1036 }
Jens Axboee951bdc2011-10-05 21:58:45 +02001037 if (!handle_client(client)) {
Jens Axboe28d3ab02011-10-05 20:45:37 +02001038 log_info("client: host=%s disconnected\n",
1039 client->hostname);
1040 remove_client(client);
Jens Axboe498c92c2011-10-17 09:14:42 +02001041 retval = 1;
Jens Axboe38990762011-10-17 13:31:33 +02001042 } else if (client->error)
Jens Axboe498c92c2011-10-17 09:14:42 +02001043 retval = 1;
Jens Axboeb66570d2011-10-01 11:11:35 -06001044 }
1045 }
1046
1047 free(pfds);
Jens Axboe498c92c2011-10-17 09:14:42 +02001048 return retval;
Jens Axboeb66570d2011-10-01 11:11:35 -06001049}