#include <common/sessiond-comm/relayd.h>
#include <common/uri.h>
#include <common/utils.h>
+#include <common/path.h>
#include <common/align.h>
#include <common/ini-config/ini-config.h>
#include <common/dynamic-buffer.h>
* See config_entry_handler_cb comment in common/config/session-config.h for the
* return value conventions.
*/
-static int config_entry_handler(const struct config_entry *entry, void *unused)
+static int config_entry_handler(const struct config_entry *entry,
+ void *unused __attribute__((unused)))
{
int ret = 0, i;
print_sessions();
}
-static int noop_close(void *data, int *fds)
+static int noop_close(void *data __attribute__((unused)),
+ int *fds __attribute__((unused)))
{
return 0;
}
return ret;
}
-static int close_sock(void *data, int *in_fd)
+static int close_sock(void *data, int *in_fd __attribute__((unused)))
{
struct lttcomm_sock *sock = (lttcomm_sock *) data;
/*
* This thread manages the listening for new connections on the network
*/
-static void *relay_thread_listener(void *data)
+static void *relay_thread_listener(void *data __attribute__((unused)))
{
int i, ret, pollfd, err = -1;
uint32_t revents, nb_fd;
/*
* This thread manages the dispatching of the requests to worker threads
*/
-static void *relay_thread_dispatcher(void *data)
+static void *relay_thread_dispatcher(void *data __attribute__((unused)))
{
int err = -1;
ssize_t ret;
*
* On success, send back the session id or else return a negative value.
*/
-static int relay_create_session(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_create_session(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
/*
* relay_add_stream: allocate a new stream for a session
*/
-static int relay_add_stream(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_add_stream(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
/*
* relay_close_stream: close a specific stream
*/
-static int relay_close_stream(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_close_stream(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
* request.
*/
try_stream_close(stream);
- if (stream->is_metadata) {
- struct relay_viewer_stream *vstream;
-
- vstream = viewer_stream_get_by_id(stream->stream_handle);
- if (vstream) {
- if (stream->no_new_metadata_notified) {
- /*
- * Since all the metadata has been sent to the
- * viewer and that we have a request to close
- * its stream, we can safely teardown the
- * corresponding metadata viewer stream.
- */
- viewer_stream_put(vstream);
- }
- /* Put local reference. */
- viewer_stream_put(vstream);
- }
- }
stream_put(stream);
ret = 0;
* relay_reset_metadata: reset a metadata stream
*/
static
-int relay_reset_metadata(const struct lttcomm_relayd_hdr *recv_hdr,
+int relay_reset_metadata(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
* relay_start: send an acknowledgment to the client to tell if we are
* ready to receive data. We are ready if a session is established.
*/
-static int relay_start(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_start(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
- const struct lttng_buffer_view *payload)
+ const struct lttng_buffer_view *payload __attribute__((unused)))
{
int ret = 0;
ssize_t send_ret;
/*
* relay_send_version: send relayd version number
*/
-static int relay_send_version(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_send_version(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
/*
* Check for data pending for a given stream id from the session daemon.
*/
-static int relay_data_pending(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_data_pending(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
* the control socket has been handled. So, this is why we simply return
* OK here.
*/
-static int relay_quiescent_control(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_quiescent_control(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
*
* Return to the client if there is data in flight or not with a ret_code.
*/
-static int relay_end_data_pending(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_end_data_pending(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
*
* Return 0 on success else a negative value.
*/
-static int relay_recv_index(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_recv_index(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
*
* Return 0 on success else a negative value.
*/
-static int relay_streams_sent(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_streams_sent(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
- const struct lttng_buffer_view *payload)
+ const struct lttng_buffer_view *payload __attribute__((unused)))
{
int ret;
ssize_t send_ret;
* session rotation feature (not the tracefile rotation feature).
*/
static int relay_rotate_session_streams(
- const struct lttcomm_relayd_hdr *recv_hdr,
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
*/
next_trace_chunk = sessiond_trace_chunk_registry_get_chunk(
sessiond_trace_chunk_registry,
- session->sessiond_uuid, session->id,
+ session->sessiond_uuid,
+ conn->session->id_sessiond.is_set ?
+ conn->session->id_sessiond.value :
+ conn->session->id,
rotate_streams.new_chunk_id.value);
if (!next_trace_chunk) {
char uuid_str[LTTNG_UUID_STR_LEN];
/*
* relay_create_trace_chunk: create a new trace chunk
*/
-static int relay_create_trace_chunk(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_create_trace_chunk(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
msg->creation_timestamp = be64toh(msg->creation_timestamp);
msg->override_name_length = be32toh(msg->override_name_length);
+ pthread_mutex_lock(&conn->session->lock);
+ session->ongoing_rotation = true;
if (session->current_trace_chunk &&
!lttng_trace_chunk_get_name_overridden(session->current_trace_chunk)) {
chunk_status = lttng_trace_chunk_rename_path(session->current_trace_chunk,
goto end;
}
}
- session->ongoing_rotation = true;
if (!session->current_trace_chunk) {
if (!session->has_rotated) {
new_path = "";
published_chunk = sessiond_trace_chunk_registry_publish_chunk(
sessiond_trace_chunk_registry,
conn->session->sessiond_uuid,
- conn->session->id,
+ conn->session->id_sessiond.is_set ?
+ conn->session->id_sessiond.value :
+ conn->session->id,
chunk);
if (!published_chunk) {
char uuid_str[LTTNG_UUID_STR_LEN];
goto end;
}
- pthread_mutex_lock(&conn->session->lock);
if (conn->session->pending_closure_trace_chunk) {
/*
* Invalid; this means a second create_trace_chunk command was
ERR("Invalid trace chunk close command received; a trace chunk is already waiting for a trace chunk close command");
reply_code = LTTNG_ERR_INVALID_PROTOCOL;
ret = -1;
- goto end_unlock_session;
+ goto end;
}
conn->session->pending_closure_trace_chunk =
conn->session->current_trace_chunk;
if (!conn->session->pending_closure_trace_chunk) {
session->ongoing_rotation = false;
}
-end_unlock_session:
- pthread_mutex_unlock(&conn->session->lock);
end:
+ pthread_mutex_unlock(&conn->session->lock);
reply.ret_code = htobe32((uint32_t) reply_code);
send_ret = conn->sock->ops->sendmsg(conn->sock,
&reply,
/*
* relay_close_trace_chunk: close a trace chunk
*/
-static int relay_close_trace_chunk(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_close_trace_chunk(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
chunk = sessiond_trace_chunk_registry_get_chunk(
sessiond_trace_chunk_registry,
conn->session->sessiond_uuid,
- conn->session->id,
+ conn->session->id_sessiond.is_set ?
+ conn->session->id_sessiond.value :
+ conn->session->id,
chunk_id);
if (!chunk) {
char uuid_str[LTTNG_UUID_STR_LEN];
/*
* relay_trace_chunk_exists: check if a trace chunk exists
*/
-static int relay_trace_chunk_exists(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_trace_chunk_exists(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
/*
* relay_get_configuration: query whether feature is available
*/
-static int relay_get_configuration(const struct lttcomm_relayd_hdr *recv_hdr,
+static int relay_get_configuration(
+ const struct lttcomm_relayd_hdr *recv_hdr __attribute__((unused)),
struct relay_connection *conn,
const struct lttng_buffer_view *payload)
{
return ret;
}
-#define DBG_CMD(cmd_name, conn) \
- DBG3("Processing \"%s\" command for socket %i", cmd_name, conn->sock->fd);
-
static int relay_process_control_command(struct relay_connection *conn,
const struct lttcomm_relayd_hdr *header,
const struct lttng_buffer_view *payload)
{
int ret = 0;
+ DBG3("Processing \"%s\" command for socket %i",
+ lttcomm_relayd_command_str((lttcomm_relayd_command) header->cmd),
+ conn->sock->fd);
switch (header->cmd) {
case RELAYD_CREATE_SESSION:
- DBG_CMD("RELAYD_CREATE_SESSION", conn);
ret = relay_create_session(header, conn, payload);
break;
case RELAYD_ADD_STREAM:
- DBG_CMD("RELAYD_ADD_STREAM", conn);
ret = relay_add_stream(header, conn, payload);
break;
case RELAYD_START_DATA:
- DBG_CMD("RELAYD_START_DATA", conn);
ret = relay_start(header, conn, payload);
break;
case RELAYD_SEND_METADATA:
- DBG_CMD("RELAYD_SEND_METADATA", conn);
ret = relay_recv_metadata(header, conn, payload);
break;
case RELAYD_VERSION:
- DBG_CMD("RELAYD_VERSION", conn);
ret = relay_send_version(header, conn, payload);
break;
case RELAYD_CLOSE_STREAM:
- DBG_CMD("RELAYD_CLOSE_STREAM", conn);
ret = relay_close_stream(header, conn, payload);
break;
case RELAYD_DATA_PENDING:
- DBG_CMD("RELAYD_DATA_PENDING", conn);
ret = relay_data_pending(header, conn, payload);
break;
case RELAYD_QUIESCENT_CONTROL:
- DBG_CMD("RELAYD_QUIESCENT_CONTROL", conn);
ret = relay_quiescent_control(header, conn, payload);
break;
case RELAYD_BEGIN_DATA_PENDING:
- DBG_CMD("RELAYD_BEGIN_DATA_PENDING", conn);
ret = relay_begin_data_pending(header, conn, payload);
break;
case RELAYD_END_DATA_PENDING:
- DBG_CMD("RELAYD_END_DATA_PENDING", conn);
ret = relay_end_data_pending(header, conn, payload);
break;
case RELAYD_SEND_INDEX:
- DBG_CMD("RELAYD_SEND_INDEX", conn);
ret = relay_recv_index(header, conn, payload);
break;
case RELAYD_STREAMS_SENT:
- DBG_CMD("RELAYD_STREAMS_SENT", conn);
ret = relay_streams_sent(header, conn, payload);
break;
case RELAYD_RESET_METADATA:
- DBG_CMD("RELAYD_RESET_METADATA", conn);
ret = relay_reset_metadata(header, conn, payload);
break;
case RELAYD_ROTATE_STREAMS:
- DBG_CMD("RELAYD_ROTATE_STREAMS", conn);
ret = relay_rotate_session_streams(header, conn, payload);
break;
case RELAYD_CREATE_TRACE_CHUNK:
- DBG_CMD("RELAYD_CREATE_TRACE_CHUNK", conn);
ret = relay_create_trace_chunk(header, conn, payload);
break;
case RELAYD_CLOSE_TRACE_CHUNK:
- DBG_CMD("RELAYD_CLOSE_TRACE_CHUNK", conn);
ret = relay_close_trace_chunk(header, conn, payload);
break;
case RELAYD_TRACE_CHUNK_EXISTS:
- DBG_CMD("RELAYD_TRACE_CHUNK_EXISTS", conn);
ret = relay_trace_chunk_exists(header, conn, payload);
break;
case RELAYD_GET_CONFIGURATION:
- DBG_CMD("RELAYD_GET_CONFIGURATION", conn);
ret = relay_get_configuration(header, conn, payload);
break;
case RELAYD_UPDATE_SYNC_INFO:
reception_buffer->data + state->received,
state->left_to_receive, MSG_DONTWAIT);
if (ret < 0) {
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_LOGICAL_OP
if (errno != EAGAIN && errno != EWOULDBLOCK) {
+ DIAGNOSTIC_POP
PERROR("Unable to receive command payload on sock %d",
conn->sock->fd);
status = RELAY_CONNECTION_STATUS_ERROR;
reception_buffer->data + state->received,
state->left_to_receive, MSG_DONTWAIT);
if (ret < 0) {
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_LOGICAL_OP
if (errno != EAGAIN && errno != EWOULDBLOCK) {
+ DIAGNOSTIC_POP
PERROR("Unable to receive control command header on sock %d",
conn->sock->fd);
status = RELAY_CONNECTION_STATUS_ERROR;
memcpy(&conn->protocol.ctrl.state.receive_payload.header,
&header, sizeof(header));
- DBG("Done receiving control command header: fd = %i, cmd = %" PRIu32 ", cmd_version = %" PRIu32 ", payload size = %" PRIu64 " bytes",
- conn->sock->fd, header.cmd, header.cmd_version,
- header.data_size);
+ DBG("Done receiving control command header: fd = %i, cmd = %s, cmd_version = %" PRIu32 ", payload size = %" PRIu64 " bytes",
+ conn->sock->fd, lttcomm_relayd_command_str((enum lttcomm_relayd_command) header.cmd),
+ header.cmd_version, header.data_size);
if (header.data_size > DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE) {
ERR("Command header indicates a payload (%" PRIu64 " bytes) that exceeds the maximal payload size allowed on a control connection.",
state->header_reception_buffer + state->received,
state->left_to_receive, MSG_DONTWAIT);
if (ret < 0) {
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_LOGICAL_OP
if (errno != EAGAIN && errno != EWOULDBLOCK) {
+ DIAGNOSTIC_POP
PERROR("Unable to receive data header on sock %d", conn->sock->fd);
status = RELAY_CONNECTION_STATUS_ERROR;
}
ret = conn->sock->ops->recvmsg(conn->sock, data_buffer,
recv_size, MSG_DONTWAIT);
if (ret < 0) {
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_LOGICAL_OP
if (errno != EAGAIN && errno != EWOULDBLOCK) {
+ DIAGNOSTIC_POP
PERROR("Socket %d error", conn->sock->fd);
status = RELAY_CONNECTION_STATUS_ERROR;
}
/*
* This thread does the actual work
*/
-static void *relay_thread_worker(void *data)
+static void *relay_thread_worker(void *data __attribute__((unused)))
{
int ret, err = -1, last_seen_data_fd = -1;
uint32_t nb_fd;
"Relayd connection pipe", relay_conn_pipe);
}
-static int stdio_open(void *data, int *fds)
+static int stdio_open(void *data __attribute__((unused)), int *fds)
{
fds[0] = fileno(stdout);
fds[1] = fileno(stderr);
/* Create thread to manage the client socket */
ret = pthread_create(&health_thread, default_pthread_attr(),
- thread_manage_health, (void *) NULL);
+ thread_manage_health_relayd, (void *) NULL);
if (ret) {
errno = ret;
PERROR("pthread_create health");