X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.h;h=1337f32ac0e09e29d39cd5612cfc26e0d0d668c1;hp=ab36a685c448de22e4645752d7e4beb69b567aba;hb=f73fabfda365d22e7dd180fb1614e37c446fbd9e;hpb=37278a1e7efe00011260569fa90909601e8c5184

diff --git a/src/bin/lttng-sessiond/consumer.h b/src/bin/lttng-sessiond/consumer.h
index ab36a685c..1337f32ac 100644
--- a/src/bin/lttng-sessiond/consumer.h
+++ b/src/bin/lttng-sessiond/consumer.h
@@ -21,6 +21,7 @@
 #include <semaphore.h>
 
 #include <common/consumer.h>
+#include <common/hashtable/hashtable.h>
 #include <lttng/lttng.h>
 
 #include "health.h"
@@ -30,6 +31,25 @@ enum consumer_dst_type {
 	CONSUMER_DST_NET,
 };
 
+struct consumer_socket {
+	/* File descriptor */
+	int fd;
+	/*
+	 * To use this socket (send/recv), this lock MUST be acquired.
+	 */
+	pthread_mutex_t *lock;
+
+	/*
+	 * Indicates if the socket was registered by a third part
+	 * (REGISTER_CONSUMER) or is the spawn consumer of the session daemon.
+	 * During the destroy phase of a consumer output, we close the socket if
+	 * this flag is set to 1 since we don't need the fd anymore.
+	 */
+	unsigned int registered;
+
+	struct lttng_ht_node_ulong node;
+};
+
 struct consumer_data {
 	enum lttng_consumer_type type;
 
@@ -49,6 +69,9 @@ struct consumer_data {
 
 	/* Health check of the thread */
 	struct health_state health;
+
+	/* communication lock */
+	pthread_mutex_t lock;
 };
 
 /*
@@ -72,33 +95,53 @@ struct consumer_net {
 
 	/* Data path for network streaming. */
 	struct lttng_uri data;
+
+	/* Flag if network sockets were sent to the consumer. */
+	unsigned int relayd_socks_sent;
 };
 
 /*
  * Consumer output object describing where and how to send data.
  */
 struct consumer_output {
-	/* Consumer socket file descriptor */
-	int sock;
 	/* If the consumer is enabled meaning that should be used */
 	unsigned int enabled;
 	enum consumer_dst_type type;
+
 	/*
 	 * The net_seq_index is the index of the network stream on the consumer
-	 * side. It's basically the relayd socket file descriptor value so the
-	 * consumer can identify which streams goes with which socket.
+	 * side. It tells the consumer which streams goes to which relayd with this
+	 * index. The relayd sockets are index with it on the consumer side.
 	 */
 	int net_seq_index;
+
 	/*
 	 * Subdirectory path name used for both local and network consumer.
 	 */
 	char subdir[PATH_MAX];
+
+	/*
+	 * Hashtable of consumer_socket index by the file descriptor value. For
+	 * multiarch consumer support, we can have more than one consumer (ex: 32
+	 * and 64 bit).
+	 */
+	struct lttng_ht *socks;
+
 	union {
 		char trace_path[PATH_MAX];
 		struct consumer_net net;
 	} dst;
 };
 
+struct consumer_socket *consumer_find_socket(int key,
+		struct consumer_output *consumer);
+struct consumer_socket *consumer_allocate_socket(int fd);
+void consumer_add_socket(struct consumer_socket *sock,
+		struct consumer_output *consumer);
+void consumer_del_socket(struct consumer_socket *sock,
+		struct consumer_output *consumer);
+void consumer_destroy_socket(struct consumer_socket *sock);
+
 struct consumer_output *consumer_create_output(enum consumer_dst_type type);
 struct consumer_output *consumer_copy_output(struct consumer_output *obj);
 void consumer_destroy_output(struct consumer_output *obj);
@@ -111,6 +154,13 @@ int consumer_send_channel(int sock, struct lttcomm_consumer_msg *msg);
 int consumer_send_relayd_socket(int consumer_sock,
 		struct lttcomm_sock *sock, struct consumer_output *consumer,
 		enum lttng_stream_type type);
+int consumer_send_destroy_relayd(struct consumer_socket *sock,
+		struct consumer_output *consumer);
+void consumer_output_send_destroy_relayd(struct consumer_output *consumer);
+int consumer_create_socket(struct consumer_data *data,
+		struct consumer_output *output);
+int consumer_set_subdir(struct consumer_output *consumer,
+		const char *session_name);
 
 void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg *msg,
 		enum lttng_consumer_command cmd,