#include <common/compat/endian.h>
#include <common/defaults.h>
#include <common/futex.h>
-#include <common/index/index.h>
#include <common/sessiond-comm/sessiond-comm.h>
#include <common/sessiond-comm/inet.h>
#include <common/sessiond-comm/relayd.h>
#include "ctf-trace.h"
#include "connection.h"
#include "viewer-session.h"
+#include "index-file.h"
#define SESSION_BUF_DEFAULT_COUNT 16
return 0;
}
+static
+int create_sock(void *data, int *out_fd)
+{
+ int ret;
+ struct lttcomm_sock *sock = data;
+
+ ret = lttcomm_create_sock(sock);
+ if (ret < 0) {
+ goto end;
+ }
+
+ *out_fd = sock->fd;
+end:
+ return ret;
+}
+
+static
+int close_sock(void *data, int *in_fd)
+{
+ struct lttcomm_sock *sock = data;
+
+ return sock->ops->close(sock);
+}
+
+static int accept_sock(void *data, int *out_fd)
+{
+ int ret = 0;
+ /* Socks is an array of in_sock, out_sock. */
+ struct lttcomm_sock **socks = data;
+ struct lttcomm_sock *in_sock = socks[0];
+
+ socks[1] = in_sock->ops->accept(in_sock);
+ if (!socks[1]) {
+ ret = -1;
+ goto end;
+ }
+ *out_fd = socks[1]->fd;
+end:
+ return ret;
+}
+
+static
+struct lttcomm_sock *accept_live_sock(struct lttcomm_sock *listening_sock,
+ const char *name)
+{
+ int out_fd, ret;
+ struct lttcomm_sock *socks[2] = { listening_sock, NULL };
+ struct lttcomm_sock *new_sock = NULL;
+
+ ret = fd_tracker_open_unsuspendable_fd(
+ the_fd_tracker, &out_fd,
+ (const char **) &name,
+ 1, accept_sock, &socks);
+ if (ret) {
+ goto end;
+ }
+ new_sock = socks[1];
+ DBG("%s accepted, socket %d", name, new_sock->fd);
+end:
+ return new_sock;
+}
+
/*
* Create and init socket from uri.
*/
static
-struct lttcomm_sock *init_socket(struct lttng_uri *uri)
+struct lttcomm_sock *init_socket(struct lttng_uri *uri, const char *name)
{
- int ret;
+ int ret, sock_fd;
struct lttcomm_sock *sock = NULL;
+ char uri_str[PATH_MAX];
+ char *formated_name = NULL;
sock = lttcomm_alloc_sock_from_uri(uri);
if (sock == NULL) {
goto error;
}
- ret = lttcomm_create_sock(sock);
- if (ret < 0) {
- goto error;
+ /*
+ * Don't fail to create the socket if the name can't be built as it is
+ * only used for debugging purposes.
+ */
+ ret = uri_to_str_url(uri, uri_str, sizeof(uri_str));
+ uri_str[sizeof(uri_str) - 1] = '\0';
+ if (ret >= 0) {
+ ret = asprintf(&formated_name, "%s socket @ %s", name,
+ uri_str);
+ if (ret < 0) {
+ formated_name = NULL;
+ }
}
- DBG("Listening on sock %d for live", sock->fd);
+
+ ret = fd_tracker_open_unsuspendable_fd(the_fd_tracker, &sock_fd,
+ (const char **) (formated_name ? &formated_name : NULL),
+ 1, create_sock, sock);
+ free(formated_name);
+ DBG("Listening on %s socket %d", name, sock->fd);
ret = sock->ops->bind(sock);
if (ret < 0) {
health_code_update();
- live_control_sock = init_socket(live_uri);
+ live_control_sock = init_socket(live_uri, "Live listener");
if (!live_control_sock) {
goto error_sock_control;
}
struct relay_connection *new_conn;
struct lttcomm_sock *newsock;
- newsock = live_control_sock->ops->accept(live_control_sock);
+ newsock = accept_live_sock(live_control_sock,
+ "Live socket to client");
if (!newsock) {
PERROR("accepting control sock");
goto error;
(void) fd_tracker_util_poll_clean(the_fd_tracker, &events);
error_create_poll:
if (live_control_sock->fd >= 0) {
- ret = live_control_sock->ops->close(live_control_sock);
+ ret = fd_tracker_close_unsuspendable_fd(the_fd_tracker,
+ &live_control_sock->fd, 1, close_sock,
+ live_control_sock);
if (ret) {
PERROR("close");
}
ret = -ENOENT;
goto end;
}
- vstream->index_file = lttng_index_file_open(vstream->path_name,
+ vstream->index_file = relay_index_file_open(vstream->path_name,
vstream->channel_name,
vstream->stream->tracefile_count,
vstream->current_tracefile_id);
if (ret < 0) {
goto error_put;
}
- ret = open(fullpath, O_RDONLY);
- if (ret < 0) {
- PERROR("Relay opening trace file");
- goto error_put;
- }
- vstream->stream_fd = stream_fd_create(ret);
+
+ vstream->stream_fd = stream_fd_open(fullpath);
if (!vstream->stream_fd) {
if (close(ret)) {
PERROR("close");
viewer_index.flags |= LTTNG_VIEWER_FLAG_NEW_STREAM;
}
- ret = lttng_index_file_read(vstream->index_file, &packet_index);
+ ret = relay_index_file_read(vstream->index_file, &packet_index);
if (ret) {
- ERR("Relay error reading index file %d",
- vstream->index_file->fd);
+ ERR("Relay error reading index file");
viewer_index.status = htobe32(LTTNG_VIEWER_INDEX_ERR);
goto send_reply;
} else {
static
int viewer_get_packet(struct relay_connection *conn)
{
- int ret;
+ int ret, stream_fd;
off_t lseek_ret;
char *reply = NULL;
struct lttng_viewer_get_packet get_packet_info;
}
pthread_mutex_lock(&vstream->stream->lock);
- lseek_ret = lseek(vstream->stream_fd->fd, be64toh(get_packet_info.offset),
- SEEK_SET);
+ stream_fd = stream_fd_get_fd(vstream->stream_fd);
+ if (stream_fd < 0) {
+ ERR("Failed to get viewer stream file descriptor");
+ goto error_put_fd;
+ }
+ lseek_ret = lseek(stream_fd, be64toh(get_packet_info.offset), SEEK_SET);
if (lseek_ret < 0) {
- PERROR("lseek fd %d to offset %" PRIu64, vstream->stream_fd->fd,
+ PERROR("lseek fd %d to offset %" PRIu64, stream_fd,
(uint64_t) be64toh(get_packet_info.offset));
- goto error;
+ goto error_put_fd;
}
- read_len = lttng_read(vstream->stream_fd->fd,
+ read_len = lttng_read(stream_fd,
reply + sizeof(reply_header),
packet_data_len);
if (read_len < packet_data_len) {
PERROR("Relay reading trace file, fd: %d, offset: %" PRIu64,
- vstream->stream_fd->fd,
+ stream_fd,
(uint64_t) be64toh(get_packet_info.offset));
- goto error;
+ goto error_put_fd;
}
reply_header.status = htobe32(LTTNG_VIEWER_GET_PACKET_OK);
reply_header.len = htobe32(packet_data_len);
goto send_reply;
+error_put_fd:
+ stream_fd_put_fd(vstream->stream_fd);
error:
reply_header.status = htobe32(LTTNG_VIEWER_GET_PACKET_ERR);
static
int viewer_get_metadata(struct relay_connection *conn)
{
- int ret = 0;
+ int ret = 0, stream_fd = -1;
ssize_t read_len;
uint64_t len = 0;
char *data = NULL;
if (ret < 0) {
goto error;
}
- ret = open(fullpath, O_RDONLY);
- if (ret < 0) {
- PERROR("Relay opening metadata file");
- goto error;
- }
- vstream->stream_fd = stream_fd_create(ret);
+ vstream->stream_fd = stream_fd_open(fullpath);
if (!vstream->stream_fd) {
- if (close(ret)) {
- PERROR("close");
- }
+ PERROR("Failed to open viewer stream file at %s", fullpath);
goto error;
}
}
goto error;
}
- read_len = lttng_read(vstream->stream_fd->fd, data, len);
+ stream_fd = stream_fd_get_fd(vstream->stream_fd);
+ if (stream_fd < 0) {
+ goto error_put_fd;
+ }
+ read_len = lttng_read(stream_fd, data, len);
if (read_len < len) {
PERROR("Relay reading metadata file");
- goto error;
+ goto error_put_fd;
}
vstream->metadata_sent += read_len;
if (vstream->metadata_sent == vstream->stream->metadata_received
reply.status = htobe32(LTTNG_VIEWER_METADATA_OK);
goto send_reply;
-
+error_put_fd:
+ (void) stream_fd_put_fd(vstream->stream_fd);
error:
reply.status = htobe32(LTTNG_VIEWER_METADATA_ERR);
(void) lttng_poll_del(events, pollfd);
- ret = close(pollfd);
+ ret = fd_tracker_close_unsuspendable_fd(the_fd_tracker, &pollfd, 1,
+ fd_tracker_util_close_fd, NULL);
if (ret < 0) {
ERR("Closing pollfd %d", pollfd);
}
projects / lttng-tools.git / blobdiff