UST support: add UST control commands

[lttng-tools.git] / ltt-sessiond / ust-ctl.c

diff --git a/ltt-sessiond/ust-ctl.c b/ltt-sessiond/ust-ctl.c
deleted file mode 100644 (file)
index 7f70b89..0000000
--- a/ltt-sessiond/ust-ctl.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- */
-
-#define _GNU_SOURCE
-#include <config.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <ust/lttng-ust-comm.h>
-#include <lttngerr.h>
-
-#include "ust-comm.h"
-#include "ust-ctl.h"
-
-/*
- * Send registration done packet to the application.
- */
-int ustctl_register_done(int sock)
-{
-       struct lttcomm_ust_msg command;
-       struct lttcomm_ust_reply *reply;
-
-       DBG("Sending register done command to %d", sock);
-
-       command.cmd = LTTNG_UST_REGISTER_DONE;
-       command.handle = LTTNG_UST_ROOT_HANDLE;
-
-       reply = ustcomm_send_command(sock, &command);
-       if (reply == NULL) {
-               goto error;
-       }
-
-       if (reply->ret_code != USTCOMM_OK) {
-               DBG("Return code: %s", ustcomm_get_readable_code(reply->ret_code));
-               goto error;
-       }
-
-       return 0;
-
-error:
-       return -1;
-}
-
-/*
- * Create an UST session on the tracer.
- */
-int ustctl_create_session(int sock, struct ltt_ust_session *session)
-{
-       struct lttcomm_ust_msg command;
-       struct lttcomm_ust_reply *reply = NULL;
-
-       command.cmd = LTTNG_UST_SESSION;
-       command.handle = LTTNG_UST_ROOT_HANDLE;
-
-       reply = ustcomm_send_command(sock, &command);
-       if (reply == NULL) {
-               goto error;
-       }
-
-       if (reply->ret_code != USTCOMM_OK) {
-               DBG("Return code: %s", ustcomm_get_readable_code(reply->ret_code));
-               goto error;
-       }
-
-       /* Save session handle */
-       session->handle = reply->ret_val;
-       free(reply);
-
-       DBG2("ustctl create session command successful");
-       return 0;
-
-error:
-       free(reply);
-       return -1;
-}
-
-/*
- * Create UST channel to the tracer.
- */
-int ustctl_create_channel(int sock, struct ltt_ust_session *session,
-               struct lttng_channel *channel)
-{
-       struct lttcomm_ust_msg command;
-       struct lttcomm_ust_reply *reply = NULL;
-       struct ltt_ust_channel *uchan;
-
-       uchan = trace_ust_create_channel(channel, session->path);
-       if (uchan == NULL) {
-               goto error;
-       }
-
-       memset(&command, 0, sizeof(command));
-
-       command.cmd = LTTNG_UST_CHANNEL;
-       command.handle = session->handle;
-
-       /* Copy channel attributes to command */
-       memcpy(&command.u.channel, &uchan->attr, sizeof(command.u.channel));
-
-       reply = ustcomm_send_command(sock, &command);
-       if (reply == NULL) {
-               goto error;
-       }
-
-       if (reply->ret_code != USTCOMM_OK) {
-               DBG("Return code (%d): %s", reply->ret_code,
-                               ustcomm_get_readable_code(reply->ret_code));
-               goto error;
-       }
-
-       uchan->handle = reply->ret_val;
-
-       /* Add channel to session */
-       cds_list_add(&uchan->list, &session->channels.head);
-       session->channels.count++;
-
-       free(reply);
-
-       return 0;
-
-error:
-       free(reply);
-       return -1;
-}
-
-/*
- * Enable UST channel.
- */
-int ustctl_enable_channel(int sock, struct ltt_ust_session *session,
-               struct ltt_ust_channel *chan)
-{
-       struct lttcomm_ust_msg command;
-       struct lttcomm_ust_reply *reply = NULL;
-
-       memset(&command, 0, sizeof(command));
-
-       command.cmd = LTTNG_UST_ENABLE;
-       command.handle = chan->handle;
-
-       reply = ustcomm_send_command(sock, &command);
-       if (reply == NULL) {
-               goto error;
-       }
-
-       if (reply->ret_code != USTCOMM_OK) {
-               DBG("Return code (%d): %s", reply->ret_code,
-                               ustcomm_get_readable_code(reply->ret_code));
-               goto error;
-       } else if (reply->handle != chan->handle) {
-               ERR("Receive wrong handle from UST reply on enable channel");
-               goto error;
-       }
-
-       chan->enabled = 1;
-       free(reply);
-
-       DBG2("ustctl enable channel successful for sock %d", sock);
-       return 0;
-
-error:
-       free(reply);
-       return -1;
-}
-
-/*
- * Disable UST channel.
- */
-int ustctl_disable_channel(int sock, struct ltt_ust_session *session,
-               struct ltt_ust_channel *chan)
-{
-       struct lttcomm_ust_msg command;
-       struct lttcomm_ust_reply *reply = NULL;
-
-       memset(&command, 0, sizeof(command));
-
-       command.cmd = LTTNG_UST_DISABLE;
-       command.handle = chan->handle;
-
-       reply = ustcomm_send_command(sock, &command);
-       if (reply == NULL) {
-               goto error;
-       }
-
-       if (reply->ret_code != USTCOMM_OK) {
-               DBG("Return code (%d): %s", reply->ret_code,
-                               ustcomm_get_readable_code(reply->ret_code));
-               goto error;
-       } else if (reply->handle != chan->handle) {
-               ERR("Receive wrong handle from UST reply on enable channel");
-               goto error;
-       }
-
-       chan->enabled = 1;
-       free(reply);
-
-       DBG2("ustctl disable channel successful for sock %d", sock);
-       return 0;
-
-error:
-       free(reply);
-       return -1;
-}