#include <sys/types.h>
#include <unistd.h>
#include <inttypes.h>
+#include <signal.h>
#include <common/common.h>
#include <common/utils.h>
*
* On error, return NULL.
*/
-struct lttng_consumer_channel *consumer_allocate_channel(unsigned long key,
+struct lttng_consumer_channel *consumer_allocate_channel(uint64_t key,
uint64_t session_id,
const char *pathname,
const char *name,
pthread_mutex_lock(&consumer_data.lock);
rcu_read_lock();
- lttng_ht_lookup(consumer_data.channel_ht,
- &channel->key, &iter);
+ lttng_ht_lookup(consumer_data.channel_ht, &channel->key, &iter);
node = lttng_ht_iter_get_node_u64(&iter);
if (node != NULL) {
/* Channel already exist. Ignore the insertion */
stream->endpoint_status == CONSUMER_ENDPOINT_INACTIVE) {
continue;
}
- DBG("Active FD %d", stream->wait_fd);
+ /*
+ * This clobbers way too much the debug output. Uncomment that if you
+ * need it for debugging purposes.
+ *
+ * DBG("Active FD %d", stream->wait_fd);
+ */
(*pollfd)[i].fd = stream->wait_fd;
(*pollfd)[i].events = POLLIN | POLLPRI;
local_stream[i] = stream;
}
ctx->consumer_error_socket = -1;
+ ctx->consumer_metadata_socket = -1;
/* assign the callbacks */
ctx->on_buffer_ready = buffer_ready;
ctx->on_recv_channel = recv_channel;
if (ret) {
PERROR("close");
}
+ ret = close(ctx->consumer_metadata_socket);
+ if (ret) {
+ PERROR("close");
+ }
utils_close_pipe(ctx->consumer_thread_pipe);
utils_close_pipe(ctx->consumer_channel_pipe);
utils_close_pipe(ctx->consumer_data_pipe);
goto end;
}
ret = lttng_ustctl_get_mmap_read_offset(stream, &mmap_offset);
+
break;
default:
ERR("Unknown consumer_data type");
return NULL;
}
+static int set_metadata_socket(struct lttng_consumer_local_data *ctx,
+ struct pollfd *sockpoll, int client_socket)
+{
+ int ret;
+
+ assert(ctx);
+ assert(sockpoll);
+
+ if (lttng_consumer_poll_socket(sockpoll) < 0) {
+ ret = -1;
+ goto error;
+ }
+ DBG("Metadata connection on client_socket");
+
+ /* Blocking call, waiting for transmission */
+ ctx->consumer_metadata_socket = lttcomm_accept_unix_sock(client_socket);
+ if (ctx->consumer_metadata_socket < 0) {
+ WARN("On accept metadata");
+ ret = -1;
+ goto error;
+ }
+ ret = 0;
+
+error:
+ return ret;
+}
+
/*
* This thread listens on the consumerd socket and receives the file
* descriptors from the session daemon.
goto end;
}
+ /*
+ * Setup metadata socket which is the second socket connection on the
+ * command unix socket.
+ */
+ ret = set_metadata_socket(ctx, consumer_sockpoll, client_socket);
+ if (ret < 0) {
+ goto end;
+ }
+
/* This socket is not useful anymore. */
ret = close(client_socket);
if (ret < 0) {