server: add support for updating job options
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/server.c b/server.c
index 664bb55..6e736bb 100644
--- a/server.c
+++ b/server.c
@@ -395,15 +395,24 @@
return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL);
}
-int fio_net_send_stop(int sk, int error, int signal)
+static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error,
+ int signal)
{
struct cmd_end_pdu epdu;
+ uint64_t tag = 0;
- dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal);
+ if (cmd)
+ tag = cmd->tag;
epdu.error = __cpu_to_le32(error);
epdu.signal = __cpu_to_le32(signal);
- return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), 0);
+ return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), tag);
+}
+
+int fio_net_send_stop(int sk, int error, int signal)
+{
+ dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal);
+ return fio_net_send_ack(sk, NULL, error, signal);
}
static void fio_server_add_fork_item(pid_t pid, struct flist_head *list)
@@ -633,6 +642,27 @@
return 0;
}
+static int handle_update_job_cmd(struct fio_net_cmd *cmd)
+{
+ struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload;
+ struct thread_data *td;
+ uint32_t tnumber;
+
+ tnumber = le32_to_cpu(pdu->thread_number);
+
+ dprint(FD_NET, "server: updating options for job %u\n", tnumber);
+
+ if (tnumber >= thread_number) {
+ fio_net_send_ack(server_fd, cmd, ENODEV, 0);
+ return 0;
+ }
+
+ td = &threads[tnumber];
+ convert_thread_options_to_cpu(&td->o, &pdu->top);
+ fio_net_send_ack(server_fd, cmd, 0, 0);
+ return 0;
+}
+
static int handle_command(struct fio_net_cmd *cmd)
{
int ret;
@@ -662,6 +692,9 @@
case FIO_NET_CMD_RUN:
ret = handle_run_cmd(cmd);
break;
+ case FIO_NET_CMD_UPDATE_JOB:
+ ret = handle_update_job_cmd(cmd);
+ break;
default:
log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode));
ret = 1;