libaio: don't call io_destroy(), let exit_aio() take care of it
[fio.git] / client.c
index 2b661ce6802c0f474bb355d8ba413e41d613ba07..af3407cefe95a55fc211d5deb92bd4687fd922fc 100644 (file)
--- a/client.c
+++ b/client.c
@@ -23,6 +23,7 @@
 #include "server.h"
 #include "flist.h"
 #include "hash.h"
+#include "verify.h"
 
 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd);
 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd);
@@ -61,6 +62,8 @@ static struct json_object *root = NULL;
 static struct json_array *clients_array = NULL;
 static struct json_array *du_array = NULL;
 
+static int error_clients;
+
 #define FIO_CLIENT_HASH_BITS   7
 #define FIO_CLIENT_HASH_SZ     (1 << FIO_CLIENT_HASH_BITS)
 #define FIO_CLIENT_HASH_MASK   (FIO_CLIENT_HASH_SZ - 1)
@@ -88,6 +91,30 @@ static void fio_init fio_client_hash_init(void)
                INIT_FLIST_HEAD(&client_hash[i]);
 }
 
+static int read_data(int fd, void *data, size_t size)
+{
+       ssize_t ret;
+
+       while (size) {
+               ret = read(fd, data, size);
+               if (ret < 0) {
+                       if (errno == EAGAIN || errno == EINTR)
+                               continue;
+                       break;
+               } else if (!ret)
+                       break;
+               else {
+                       data += ret;
+                       size -= ret;
+               }
+       }
+
+       if (size)
+               return EAGAIN;
+
+       return 0;
+}
+
 static void fio_client_json_init(void)
 {
        if (output_format != FIO_OUTPUT_JSON)
@@ -151,6 +178,9 @@ void fio_put_client(struct fio_client *client)
        if (!client->did_stat)
                sum_stat_clients--;
 
+       if (client->error)
+               error_clients++;
+
        free(client);
 }
 
@@ -271,6 +301,9 @@ int fio_client_add_ini_file(void *cookie, const char *ini_file, int remote)
        size_t new_size;
        void *new_files;
 
+       if (!client)
+               return 1;
+
        dprint(FD_NET, "client <%s>: add ini %s\n", client->hostname, ini_file);
 
        new_size = (client->nr_files + 1) * sizeof(struct client_file);
@@ -334,10 +367,27 @@ int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie)
        return 0;
 }
 
+static const char *server_name(struct fio_client *client, char *buf,
+                              size_t bufsize)
+{
+       const char *from;
+
+       if (client->ipv6)
+               from = inet_ntop(AF_INET6, (struct sockaddr *) &client->addr6.sin6_addr, buf, bufsize);
+       else if (client->is_sock)
+               from = "sock";
+       else
+               from = inet_ntop(AF_INET, (struct sockaddr *) &client->addr.sin_addr, buf, bufsize);
+
+       return from;
+}
+
 static void probe_client(struct fio_client *client)
 {
        struct cmd_client_probe_pdu pdu;
+       const char *sname;
        uint64_t tag;
+       char buf[64];
 
        dprint(FD_NET, "client: send probe\n");
 
@@ -347,6 +397,10 @@ static void probe_client(struct fio_client *client)
        pdu.flags = 0;
 #endif
 
+       sname = server_name(client, buf, sizeof(buf));
+       memset(pdu.server, 0, sizeof(pdu.server));
+       strncpy((char *) pdu.server, sname, sizeof(pdu.server) - 1);
+
        fio_net_send_cmd(client->fd, FIO_NET_CMD_PROBE, &pdu, sizeof(pdu), &tag, &client->cmd_list);
 }
 
@@ -651,15 +705,13 @@ static int __fio_client_send_local_ini(struct fio_client *client,
 
        fd = open(filename, O_RDONLY);
        if (fd < 0) {
-               int ret = -errno;
-
+               ret = -errno;
                log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
                return ret;
        }
 
        if (fstat(fd, &sb) < 0) {
-               int ret = -errno;
-
+               ret = -errno;
                log_err("fio: job file stat: %s\n", strerror(errno));
                close(fd);
                return ret;
@@ -671,21 +723,7 @@ static int __fio_client_send_local_ini(struct fio_client *client,
 
        len = sb.st_size;
        p = buf;
-       do {
-               ret = read(fd, p, len);
-               if (ret > 0) {
-                       len -= ret;
-                       if (!len)
-                               break;
-                       p += ret;
-                       continue;
-               } else if (!ret)
-                       break;
-               else if (errno == EAGAIN || errno == EINTR)
-                       continue;
-       } while (1);
-
-       if (len) {
+       if (read_data(fd, p, len)) {
                log_err("fio: failed reading job file %s\n", filename);
                close(fd);
                free(pdu);
@@ -804,6 +842,7 @@ static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
        dst->minf               = le64_to_cpu(src->minf);
        dst->majf               = le64_to_cpu(src->majf);
        dst->clat_percentiles   = le64_to_cpu(src->clat_percentiles);
+       dst->percentile_precision = le64_to_cpu(src->percentile_precision);
 
        for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
                fio_fp64_t *fps = &src->percentile_list[i];
@@ -852,6 +891,10 @@ static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
        dst->latency_target     = le64_to_cpu(src->latency_target);
        dst->latency_window     = le64_to_cpu(src->latency_window);
        dst->latency_percentile.u.f = fio_uint64_to_double(le64_to_cpu(src->latency_percentile.u.i));
+
+       dst->nr_block_infos     = le64_to_cpu(src->nr_block_infos);
+       for (i = 0; i < dst->nr_block_infos; i++)
+               dst->block_infos[i] = le32_to_cpu(src->block_infos[i]);
 }
 
 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
@@ -943,16 +986,16 @@ static void convert_agg(struct disk_util_agg *agg)
        int i;
 
        for (i = 0; i < 2; i++) {
-               agg->ios[i]     = le32_to_cpu(agg->ios[i]);
-               agg->merges[i]  = le32_to_cpu(agg->merges[i]);
+               agg->ios[i]     = le64_to_cpu(agg->ios[i]);
+               agg->merges[i]  = le64_to_cpu(agg->merges[i]);
                agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
-               agg->ticks[i]   = le32_to_cpu(agg->ticks[i]);
+               agg->ticks[i]   = le64_to_cpu(agg->ticks[i]);
        }
 
-       agg->io_ticks           = le32_to_cpu(agg->io_ticks);
-       agg->time_in_queue      = le32_to_cpu(agg->time_in_queue);
+       agg->io_ticks           = le64_to_cpu(agg->io_ticks);
+       agg->time_in_queue      = le64_to_cpu(agg->time_in_queue);
        agg->slavecount         = le32_to_cpu(agg->slavecount);
-       agg->max_util.u.f       = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i));
+       agg->max_util.u.f       = fio_uint64_to_double(le64_to_cpu(agg->max_util.u.i));
 }
 
 static void convert_dus(struct disk_util_stat *dus)
@@ -960,14 +1003,14 @@ static void convert_dus(struct disk_util_stat *dus)
        int i;
 
        for (i = 0; i < 2; i++) {
-               dus->s.ios[i]           = le32_to_cpu(dus->s.ios[i]);
-               dus->s.merges[i]        = le32_to_cpu(dus->s.merges[i]);
+               dus->s.ios[i]           = le64_to_cpu(dus->s.ios[i]);
+               dus->s.merges[i]        = le64_to_cpu(dus->s.merges[i]);
                dus->s.sectors[i]       = le64_to_cpu(dus->s.sectors[i]);
-               dus->s.ticks[i]         = le32_to_cpu(dus->s.ticks[i]);
+               dus->s.ticks[i]         = le64_to_cpu(dus->s.ticks[i]);
        }
 
-       dus->s.io_ticks         = le32_to_cpu(dus->s.io_ticks);
-       dus->s.time_in_queue    = le32_to_cpu(dus->s.time_in_queue);
+       dus->s.io_ticks         = le64_to_cpu(dus->s.io_ticks);
+       dus->s.time_in_queue    = le64_to_cpu(dus->s.time_in_queue);
        dus->s.msec             = le64_to_cpu(dus->s.msec);
 }
 
@@ -1156,7 +1199,7 @@ static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
        client->jobs = le32_to_cpu(pdu->jobs);
        client->nr_stat = le32_to_cpu(pdu->stat_outputs);
 
-       sum_stat_clients++;
+       sum_stat_clients += client->nr_stat;
 }
 
 static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd)
@@ -1302,6 +1345,47 @@ static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd)
        return ret;
 }
 
+static void sendfile_reply(int fd, struct cmd_sendfile_reply *rep,
+                          size_t size, uint64_t tag)
+{
+       rep->error = cpu_to_le32(rep->error);
+       fio_net_send_cmd(fd, FIO_NET_CMD_SENDFILE, rep, size, &tag, NULL);
+}
+
+static int send_file(struct fio_client *client, struct cmd_sendfile *pdu,
+                    uint64_t tag)
+{
+       struct cmd_sendfile_reply *rep;
+       struct stat sb;
+       size_t size;
+       int fd;
+
+       size = sizeof(*rep);
+       rep = malloc(size);
+
+       if (stat((char *)pdu->path, &sb) < 0) {
+fail:
+               rep->error = errno;
+               sendfile_reply(client->fd, rep, size, tag);
+               free(rep);
+               return 1;
+       }
+
+       size += sb.st_size;
+       rep = realloc(rep, size);
+       rep->size = cpu_to_le32((uint32_t) sb.st_size);
+
+       fd = open((char *)pdu->path, O_RDONLY);
+       if (fd == -1 )
+               goto fail;
+
+       rep->error = read_data(fd, &rep->data, sb.st_size);
+       sendfile_reply(client->fd, rep, size, tag);
+       free(rep);
+       close(fd);
+       return 0;
+}
+
 int fio_handle_client(struct fio_client *client)
 {
        struct client_ops *ops = client->ops;
@@ -1321,12 +1405,10 @@ int fio_handle_client(struct fio_client *client)
                if (ops->quit)
                        ops->quit(client, cmd);
                remove_client(client);
-               free(cmd);
                break;
        case FIO_NET_CMD_TEXT:
                convert_text(cmd);
                ops->text(client, cmd);
-               free(cmd);
                break;
        case FIO_NET_CMD_DU: {
                struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
@@ -1335,7 +1417,6 @@ int fio_handle_client(struct fio_client *client)
                convert_agg(&du->agg);
 
                ops->disk_util(client, cmd);
-               free(cmd);
                break;
                }
        case FIO_NET_CMD_TS: {
@@ -1345,7 +1426,6 @@ int fio_handle_client(struct fio_client *client)
                convert_gs(&p->rs, &p->rs);
 
                ops->thread_status(client, cmd);
-               free(cmd);
                break;
                }
        case FIO_NET_CMD_GS: {
@@ -1354,7 +1434,6 @@ int fio_handle_client(struct fio_client *client)
                convert_gs(gs, gs);
 
                ops->group_stats(client, cmd);
-               free(cmd);
                break;
                }
        case FIO_NET_CMD_ETA: {
@@ -1363,26 +1442,22 @@ int fio_handle_client(struct fio_client *client)
                remove_reply_cmd(client, cmd);
                convert_jobs_eta(je);
                handle_eta(client, cmd);
-               free(cmd);
                break;
                }
        case FIO_NET_CMD_PROBE:
                remove_reply_cmd(client, cmd);
                ops->probe(client, cmd);
-               free(cmd);
                break;
        case FIO_NET_CMD_SERVER_START:
                client->state = Client_running;
                if (ops->job_start)
                        ops->job_start(client, cmd);
-               free(cmd);
                break;
        case FIO_NET_CMD_START: {
                struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
 
                pdu->jobs = le32_to_cpu(pdu->jobs);
                ops->start(client, cmd);
-               free(cmd);
                break;
                }
        case FIO_NET_CMD_STOP: {
@@ -1393,7 +1468,6 @@ int fio_handle_client(struct fio_client *client)
                client->error = le32_to_cpu(pdu->error);
                client->signal = le32_to_cpu(pdu->signal);
                ops->stop(client, cmd);
-               free(cmd);
                break;
                }
        case FIO_NET_CMD_ADD_JOB: {
@@ -1404,7 +1478,6 @@ int fio_handle_client(struct fio_client *client)
 
                if (ops->add_job)
                        ops->add_job(client, cmd);
-               free(cmd);
                break;
                }
        case FIO_NET_CMD_IOLOG:
@@ -1414,22 +1487,63 @@ int fio_handle_client(struct fio_client *client)
                        pdu = convert_iolog(cmd);
                        ops->iolog(client, pdu);
                }
-               free(cmd);
                break;
        case FIO_NET_CMD_UPDATE_JOB:
                ops->update_job(client, cmd);
                remove_reply_cmd(client, cmd);
-               free(cmd);
                break;
+       case FIO_NET_CMD_VTRIGGER: {
+               struct all_io_list *pdu = (struct all_io_list *) cmd->payload;
+               char buf[64];
+
+               __verify_save_state(pdu, server_name(client, buf, sizeof(buf)));
+               exec_trigger(trigger_cmd);
+               break;
+               }
+       case FIO_NET_CMD_SENDFILE: {
+               struct cmd_sendfile *pdu = (struct cmd_sendfile *) cmd->payload;
+               send_file(client, pdu, cmd->tag);
+               break;
+               }
        default:
                log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
-               free(cmd);
                break;
        }
 
+       free(cmd);
        return 1;
 }
 
+int fio_clients_send_trigger(const char *cmd)
+{
+       struct flist_head *entry;
+       struct fio_client *client;
+       size_t slen;
+
+       dprint(FD_NET, "client: send vtrigger: %s\n", cmd);
+
+       if (!cmd)
+               slen = 0;
+       else
+               slen = strlen(cmd);
+
+       flist_for_each(entry, &client_list) {
+               struct cmd_vtrigger_pdu *pdu;
+
+               client = flist_entry(entry, struct fio_client, list);
+
+               pdu = malloc(sizeof(*pdu) + slen);
+               pdu->len = cpu_to_le16((uint16_t) slen);
+               if (slen)
+                       memcpy(pdu->cmd, cmd, slen);
+               fio_net_send_cmd(client->fd, FIO_NET_CMD_VTRIGGER, pdu,
+                                       sizeof(*pdu) + slen, NULL, NULL);
+               free(pdu);
+       }
+
+       return 0;
+}
+
 static void request_client_etas(struct client_ops *ops)
 {
        struct fio_client *client;
@@ -1511,6 +1625,7 @@ static int fio_check_clients_timed_out(void)
                else
                        log_err("fio: client %s timed out\n", client->hostname);
 
+               client->error = ETIMEDOUT;
                remove_client(client);
                ret = 1;
        }
@@ -1556,6 +1671,7 @@ int fio_handle_clients(struct client_ops *ops)
 
                do {
                        struct timeval tv;
+                       int timeout;
 
                        fio_gettime(&tv, NULL);
                        if (mtime_since(&eta_tv, &tv) >= 900) {
@@ -1566,7 +1682,11 @@ int fio_handle_clients(struct client_ops *ops)
                                        break;
                        }
 
-                       ret = poll(pfds, nr_clients, ops->eta_msec);
+                       check_trigger_file();
+
+                       timeout = min(100u, ops->eta_msec);
+
+                       ret = poll(pfds, nr_clients, timeout);
                        if (ret < 0) {
                                if (errno == EINTR)
                                        continue;
@@ -1599,5 +1719,5 @@ int fio_handle_clients(struct client_ops *ops)
        fio_client_json_fini();
 
        free(pfds);
-       return retval;
+       return retval || error_clients;
 }