X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=client.c;h=a77dc9350e0d1d57ffcc2c7f065204b3f9b5b254;hb=5d7793aa2b1dc1044b1918d829a1bcd4c9a19196;hp=842f225cf05801cdc39858c76ba71fd5cb0d35fd;hpb=3e47bd250cac5fb81a5c0ad578dfbe90c6ddf6de;p=fio.git

diff --git a/client.c b/client.c
index 842f225c..a77dc935 100644
--- a/client.c
+++ b/client.c
@@ -21,33 +21,20 @@
 #include "flist.h"
 #include "hash.h"
 
-static void fio_client_text_op(struct fio_client *client,
-		FILE *f, __u16 pdu_len, const char *buf)
-{
-	const char *name;
-	int fio_unused ret;
-
-	name = client->name ? client->name : client->hostname;
-
-	if (!client->skip_newline)
-		fprintf(f, "<%s> ", name);
-	ret = fwrite(buf, pdu_len, 1, f);
-	fflush(f);
-	client->skip_newline = strchr(buf, '\n') == NULL;
-}
-
 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd);
-static void handle_ts(struct fio_net_cmd *cmd);
-static void handle_gs(struct fio_net_cmd *cmd);
-static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd);
+static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd);
+static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd);
 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd);
+static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd);
+static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd);
 
 struct client_ops fio_client_ops = {
-	.text_op	= fio_client_text_op,
+	.text_op	= handle_text,
 	.disk_util	= handle_du,
 	.thread_status	= handle_ts,
 	.group_stats	= handle_gs,
-	.eta		= handle_eta,
+	.stop		= handle_stop,
+	.eta		= display_thread_status,
 	.probe		= handle_probe,
 };
 
@@ -67,9 +54,10 @@ static FLIST_HEAD(eta_list);
 
 static FLIST_HEAD(arg_list);
 
-static struct thread_stat client_ts;
-static struct group_run_stats client_gs;
-static int sum_stat_clients;
+struct thread_stat client_ts;
+struct group_run_stats client_gs;
+int sum_stat_clients;
+
 static int sum_stat_nr;
 
 #define FIO_CLIENT_HASH_BITS	7
@@ -108,8 +96,10 @@ static struct fio_client *find_client_by_fd(int fd)
 	flist_for_each(entry, &client_hash[bucket]) {
 		client = flist_entry(entry, struct fio_client, hash_list);
 
-		if (client->fd == fd)
+		if (client->fd == fd) {
+			client->refs++;
 			return client;
+		}
 	}
 
 	return NULL;
@@ -117,6 +107,11 @@ static struct fio_client *find_client_by_fd(int fd)
 
 static void remove_client(struct fio_client *client)
 {
+	assert(client->refs);
+
+	if (--client->refs)
+		return;
+
 	dprint(FD_NET, "client: removed <%s>\n", client->hostname);
 	flist_del(&client->list);
 
@@ -124,7 +119,7 @@ static void remove_client(struct fio_client *client)
 
 	if (!flist_empty(&client->eta_list)) {
 		flist_del_init(&client->eta_list);
-		fio_client_dec_jobs_eta(client->eta_in_flight, display_thread_status);
+		fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
 	}
 
 	free(client->hostname);
@@ -138,6 +133,11 @@ static void remove_client(struct fio_client *client)
 	sum_stat_clients--;
 }
 
+static void put_client(struct fio_client *client)
+{
+	remove_client(client);
+}
+
 static void __fio_client_add_cmd_option(struct fio_client *client,
 					const char *opt)
 {
@@ -169,7 +169,53 @@ void fio_client_add_cmd_option(void *cookie, const char *opt)
 	}
 }
 
-int fio_client_add(const char *hostname, void **cookie)
+struct fio_client *fio_client_add_explicit(struct client_ops *ops,
+					   const char *hostname, int type,
+					   int port)
+{
+	struct fio_client *client;
+
+	client = malloc(sizeof(*client));
+	memset(client, 0, sizeof(*client));
+
+	INIT_FLIST_HEAD(&client->list);
+	INIT_FLIST_HEAD(&client->hash_list);
+	INIT_FLIST_HEAD(&client->arg_list);
+	INIT_FLIST_HEAD(&client->eta_list);
+	INIT_FLIST_HEAD(&client->cmd_list);
+
+	client->hostname = strdup(hostname);
+
+	if (type == Fio_client_socket)
+		client->is_sock = 1;
+	else {
+		int ipv6;
+
+		ipv6 = type == Fio_client_ipv6;
+		if (fio_server_parse_host(hostname, &ipv6,
+						&client->addr.sin_addr,
+						&client->addr6.sin6_addr))
+			goto err;
+
+		client->port = port;
+	}
+
+	client->fd = -1;
+	client->ops = ops;
+	client->refs = 1;
+
+	__fio_client_add_cmd_option(client, "fio");
+
+	flist_add(&client->list, &client_list);
+	nr_clients++;
+	dprint(FD_NET, "client: added <%s>\n", client->hostname);
+	return client;
+err:
+	free(client);
+	return NULL;
+}
+
+int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie)
 {
 	struct fio_client *existing = *cookie;
 	struct fio_client *client;
@@ -204,6 +250,8 @@ int fio_client_add(const char *hostname, void **cookie)
 		return -1;
 
 	client->fd = -1;
+	client->ops = ops;
+	client->refs = 1;
 
 	__fio_client_add_cmd_option(client, "fio");
 
@@ -590,13 +638,10 @@ static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
 	dst->groupid	= le32_to_cpu(src->groupid);
 }
 
-static void handle_ts(struct fio_net_cmd *cmd)
+static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
 {
 	struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
 
-	convert_ts(&p->ts, &p->ts);
-	convert_gs(&p->rs, &p->rs);
-
 	show_thread_status(&p->ts, &p->rs);
 
 	if (sum_stat_clients == 1)
@@ -614,14 +659,29 @@ static void handle_ts(struct fio_net_cmd *cmd)
 	}
 }
 
-static void handle_gs(struct fio_net_cmd *cmd)
+static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd)
 {
 	struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
 
-	convert_gs(gs, gs);
 	show_group_stats(gs);
 }
 
+static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd)
+{
+	struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
+	const char *buf = (const char *) pdu->buf;
+	const char *name;
+	int fio_unused ret;
+
+	name = client->name ? client->name : client->hostname;
+
+	if (!client->skip_newline)
+		fprintf(f_out, "<%s> ", name);
+	ret = fwrite(buf, pdu->buf_len, 1, f_out);
+	fflush(f_out);
+	client->skip_newline = strchr(buf, '\n') == NULL;
+}
+
 static void convert_agg(struct disk_util_agg *agg)
 {
 	int i;
@@ -659,9 +719,6 @@ static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
 {
 	struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
 
-	convert_dus(&du->dus);
-	convert_agg(&du->agg);
-
 	if (!client->disk_stats_shown) {
 		client->disk_stats_shown = 1;
 		log_info("\nDisk stats (read/write):\n");
@@ -670,7 +727,7 @@ static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
 	print_disk_util(&du->dus, &du->agg, terse_output);
 }
 
-void fio_client_convert_jobs_eta(struct jobs_eta *je)
+static void convert_jobs_eta(struct jobs_eta *je)
 {
 	int i;
 
@@ -690,6 +747,7 @@ void fio_client_convert_jobs_eta(struct jobs_eta *je)
 
 	je->elapsed_sec		= le64_to_cpu(je->elapsed_sec);
 	je->eta_sec		= le64_to_cpu(je->eta_sec);
+	je->nr_threads		= le32_to_cpu(je->nr_threads);
 }
 
 void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
@@ -714,12 +772,15 @@ void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
 
 	if (je->eta_sec > dst->eta_sec)
 		dst->eta_sec = je->eta_sec;
+
+	dst->nr_threads		+= je->nr_threads;
+	/* we need to handle je->run_str too ... */
 }
 
-void fio_client_dec_jobs_eta(struct client_eta *eta, void (*fn)(struct jobs_eta *))
+void fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn)
 {
 	if (!--eta->pending) {
-		fn(&eta->eta);
+		eta_fn(&eta->eta);
 		free(eta);
 	}
 }
@@ -760,9 +821,8 @@ static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
 	client->eta_in_flight = NULL;
 	flist_del_init(&client->eta_list);
 
-	fio_client_convert_jobs_eta(je);
 	fio_client_sum_jobs_eta(&eta->eta, je);
-	fio_client_dec_jobs_eta(eta, display_thread_status);
+	fio_client_dec_jobs_eta(eta, client->ops->eta);
 }
 
 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
@@ -798,18 +858,31 @@ static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
 }
 
 static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd)
+{
+	if (client->error)
+		log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
+}
+
+static void convert_stop(struct fio_net_cmd *cmd)
 {
 	struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
 
-	client->state = Client_stopped;
-	client->error = le32_to_cpu(pdu->error);
+	pdu->error = le32_to_cpu(pdu->error);
+}
 
-	if (client->error)
-		log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
+static void convert_text(struct fio_net_cmd *cmd)
+{
+	struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
+
+	pdu->level	= le32_to_cpu(pdu->level);
+	pdu->buf_len	= le32_to_cpu(pdu->buf_len);
+	pdu->log_sec	= le64_to_cpu(pdu->log_sec);
+	pdu->log_usec	= le64_to_cpu(pdu->log_usec);
 }
 
-int fio_handle_client(struct fio_client *client, struct client_ops *ops)
+int fio_handle_client(struct fio_client *client)
 {
+	struct client_ops *ops = client->ops;
 	struct fio_net_cmd *cmd;
 
 	dprint(FD_NET, "client: handle %s\n", client->hostname);
@@ -823,38 +896,60 @@ int fio_handle_client(struct fio_client *client, struct client_ops *ops)
 
 	switch (cmd->opcode) {
 	case FIO_NET_CMD_QUIT:
+		if (ops->quit)
+			ops->quit(client);
 		remove_client(client);
 		free(cmd);
 		break;
-	case FIO_NET_CMD_TEXT: {
-		const char *buf = (const char *) cmd->payload;
-		ops->text_op(client, f_out, cmd->pdu_len, buf);
+	case FIO_NET_CMD_TEXT:
+		convert_text(cmd);
+		ops->text_op(client, cmd);
 		free(cmd);
 		break;
-		}
-	case FIO_NET_CMD_DU:
+	case FIO_NET_CMD_DU: {
+		struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
+
+		convert_dus(&du->dus);
+		convert_agg(&du->agg);
+
 		ops->disk_util(client, cmd);
 		free(cmd);
 		break;
-	case FIO_NET_CMD_TS:
-		ops->thread_status(cmd);
+		}
+	case FIO_NET_CMD_TS: {
+		struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
+
+		convert_ts(&p->ts, &p->ts);
+		convert_gs(&p->rs, &p->rs);
+
+		ops->thread_status(client, cmd);
 		free(cmd);
 		break;
-	case FIO_NET_CMD_GS:
-		ops->group_stats(cmd);
+		}
+	case FIO_NET_CMD_GS: {
+		struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
+
+		convert_gs(gs, gs);
+
+		ops->group_stats(client, cmd);
 		free(cmd);
 		break;
-	case FIO_NET_CMD_ETA:
+		}
+	case FIO_NET_CMD_ETA: {
+		struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
+
 		remove_reply_cmd(client, cmd);
-		ops->eta(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_RUN:
+	case FIO_NET_CMD_SERVER_START:
 		client->state = Client_running;
 		free(cmd);
 		break;
@@ -862,8 +957,19 @@ int fio_handle_client(struct fio_client *client, struct client_ops *ops)
 		handle_start(client, cmd);
 		free(cmd);
 		break;
-	case FIO_NET_CMD_STOP:
-		handle_stop(client, cmd);
+	case FIO_NET_CMD_STOP: {
+		struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
+
+		convert_stop(cmd);
+		client->state = Client_stopped;
+		client->error = pdu->error;
+		ops->stop(client, cmd);
+		free(cmd);
+		break;
+		}
+	case FIO_NET_CMD_ADD_JOB:
+		if (ops->add_job)
+			ops->add_job(client, cmd);
 		free(cmd);
 		break;
 	default:
@@ -875,7 +981,7 @@ int fio_handle_client(struct fio_client *client, struct client_ops *ops)
 	return 1;
 }
 
-static void request_client_etas(void)
+static void request_client_etas(struct client_ops *ops)
 {
 	struct fio_client *client;
 	struct flist_head *entry;
@@ -906,7 +1012,7 @@ static void request_client_etas(void)
 	}
 
 	while (skipped--)
-		fio_client_dec_jobs_eta(eta, display_thread_status);
+		fio_client_dec_jobs_eta(eta, ops->eta);
 
 	dprint(FD_NET, "client: requested eta tag %p\n", eta);
 }
@@ -934,7 +1040,7 @@ static int client_check_cmd_timeout(struct fio_client *client,
 	return flist_empty(&client->cmd_list) && ret;
 }
 
-static int fio_client_timed_out(void)
+static int fio_check_clients_timed_out(void)
 {
 	struct fio_client *client;
 	struct flist_head *entry, *tmp;
@@ -952,7 +1058,11 @@ static int fio_client_timed_out(void)
 		if (!client_check_cmd_timeout(client, &tv))
 			continue;
 
-		log_err("fio: client %s timed out\n", client->hostname);
+		if (client->ops->timed_out)
+			client->ops->timed_out(client);
+		else
+			log_err("fio: client %s timed out\n", client->hostname);
+
 		remove_client(client);
 		ret = 1;
 	}
@@ -981,7 +1091,7 @@ int fio_handle_clients(struct client_ops *ops)
 		flist_for_each_safe(entry, tmp, &client_list) {
 			client = flist_entry(entry, struct fio_client, list);
 
-			if (!client->sent_job &&
+			if (!client->sent_job && !client->ops->stay_connected &&
 			    flist_empty(&client->cmd_list)) {
 				remove_client(client);
 				continue;
@@ -1002,10 +1112,10 @@ int fio_handle_clients(struct client_ops *ops)
 
 			gettimeofday(&tv, NULL);
 			if (mtime_since(&eta_tv, &tv) >= 900) {
-				request_client_etas();
+				request_client_etas(ops);
 				memcpy(&eta_tv, &tv, sizeof(tv));
 
-				if (fio_client_timed_out())
+				if (fio_check_clients_timed_out())
 					break;
 			}
 
@@ -1028,13 +1138,14 @@ int fio_handle_clients(struct client_ops *ops)
 				log_err("fio: unknown client fd %d\n", pfds[i].fd);
 				continue;
 			}
-			if (!fio_handle_client(client, ops)) {
+			if (!fio_handle_client(client)) {
 				log_info("client: host=%s disconnected\n",
 						client->hostname);
 				remove_client(client);
 				retval = 1;
 			} else if (client->error)
 				retval = 1;
+			put_client(client);
 		}
 	}