server: add ETA as a specific command

No more text passing for ETA.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/server.c b/server.c
index 7202f10..32add58 100644
--- a/server.c
+++ b/server.c
@@ -543,6 +543,34 @@
 	fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs));
 }
 
+void fio_server_send_status(void)
+{
+	struct jobs_eta je;
+	int i;
+
+	if (!calc_thread_status(&je))
+		return;
+
+	je.nr_running		= cpu_to_le32(je.nr_running);
+	je.nr_ramp		= cpu_to_le32(je.nr_ramp);
+	je.nr_pending		= cpu_to_le32(je.nr_pending);
+	je.files_open		= cpu_to_le32(je.files_open);
+	je.m_rate		= cpu_to_le32(je.m_rate);
+	je.t_rate		= cpu_to_le32(je.t_rate);
+	je.m_iops		= cpu_to_le32(je.m_iops);
+	je.t_iops		= cpu_to_le32(je.t_iops);
+
+	for (i = 0; i < 2; i++) {
+		je.rate[i]	= cpu_to_le32(je.rate[i]);
+		je.iops[i]	= cpu_to_le32(je.iops[i]);
+	}
+
+	je.elapsed_sec		= cpu_to_le32(je.nr_running);
+	je.eta_sec		= cpu_to_le64(je.eta_sec);
+
+	fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, &je, sizeof(je));
+}
+
 int fio_server_log(const char *format, ...)
 {
 	char buffer[1024];