Rename C++ header files to .hpp

[lttng-tools.git] / src / bin / lttng-relayd / connection.h

diff --git a/src/bin/lttng-relayd/connection.h b/src/bin/lttng-relayd/connection.h
deleted file mode 100644 (file)
index 98ca915..0000000
--- a/src/bin/lttng-relayd/connection.h
+++ /dev/null
@@ -1,144 +0,0 @@
-#ifndef _CONNECTION_H
-#define _CONNECTION_H
-
-/*
- * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
- * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
- * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#include <limits.h>
-#include <inttypes.h>
-#include <pthread.h>
-#include <urcu.h>
-#include <urcu/wfcqueue.h>
-#include <urcu/list.h>
-
-#include <common/hashtable/hashtable.h>
-#include <common/sessiond-comm/sessiond-comm.h>
-#include <common/sessiond-comm/relayd.h>
-#include <common/dynamic-buffer.h>
-
-#include "session.h"
-
-enum connection_type {
-       RELAY_CONNECTION_UNKNOWN    = 0,
-       RELAY_DATA                  = 1,
-       RELAY_CONTROL               = 2,
-       RELAY_VIEWER_COMMAND        = 3,
-       RELAY_VIEWER_NOTIFICATION   = 4,
-};
-
-enum data_connection_state {
-       DATA_CONNECTION_STATE_RECEIVE_HEADER = 0,
-       DATA_CONNECTION_STATE_RECEIVE_PAYLOAD = 1,
-};
-
-enum ctrl_connection_state {
-       CTRL_CONNECTION_STATE_RECEIVE_HEADER = 0,
-       CTRL_CONNECTION_STATE_RECEIVE_PAYLOAD = 1,
-};
-
-struct data_connection_state_receive_header {
-       uint64_t received, left_to_receive;
-       char header_reception_buffer[sizeof(struct lttcomm_relayd_data_hdr)];
-};
-
-struct data_connection_state_receive_payload {
-       uint64_t received, left_to_receive;
-       struct lttcomm_relayd_data_hdr header;
-       bool rotate_index;
-};
-
-struct ctrl_connection_state_receive_header {
-       uint64_t received, left_to_receive;
-};
-
-struct ctrl_connection_state_receive_payload {
-       uint64_t received, left_to_receive;
-       struct lttcomm_relayd_hdr header;
-};
-
-/*
- * Internal structure to map a socket with the corresponding session.
- * A hashtable indexed on the socket FD is used for the lookups.
- *
- * Connections are assumed to be accessed from a single thread. Live
- * connections between the relay and a live client are only accessed
- * from the live worker thread.
- *
- * The connections between the consumerd/sessiond and the relayd are only
- * handled by the "main" worker thread (as in, the worker thread in main.c).
- *
- * This is why there are no back references to connections from the
- * sessions and session list.
- */
-struct relay_connection {
-       struct lttcomm_sock *sock;
-       struct cds_wfcq_node qnode;
-
-       enum connection_type type;
-       /*
-        * session is only ever set for RELAY_CONTROL connection type.
-        */
-       struct relay_session *session;
-       /*
-        * viewer_session is only ever set for RELAY_VIEWER_COMMAND
-        * connection type.
-        */
-       struct relay_viewer_session *viewer_session;
-
-       /*
-        * Protocol version to use for this connection. Only valid for
-        * RELAY_CONTROL connection type.
-        */
-       uint32_t major;
-       uint32_t minor;
-
-       struct urcu_ref ref;
-
-       bool version_check_done;
-
-       /*
-        * Node member of connection within global socket hash table.
-        */
-       struct lttng_ht_node_ulong sock_n;
-       bool in_socket_ht;
-       struct lttng_ht *socket_ht;     /* HACK: Contained within this hash table. */
-       struct rcu_head rcu_node;       /* For call_rcu teardown. */
-
-       union {
-               struct {
-                       enum data_connection_state state_id;
-                       union {
-                               struct data_connection_state_receive_header receive_header;
-                               struct data_connection_state_receive_payload receive_payload;
-                       } state;
-               } data;
-               struct {
-                       enum ctrl_connection_state state_id;
-                       union {
-                               struct ctrl_connection_state_receive_header receive_header;
-                               struct ctrl_connection_state_receive_payload receive_payload;
-                       } state;
-                       struct lttng_dynamic_buffer reception_buffer;
-               } ctrl;
-       } protocol;
-};
-
-struct relay_connection *connection_create(struct lttcomm_sock *sock,
-               enum connection_type type);
-struct relay_connection *connection_get_by_sock(struct lttng_ht *relay_connections_ht,
-               int sock);
-int connection_reset_protocol_state(struct relay_connection *connection);
-bool connection_get(struct relay_connection *connection);
-void connection_put(struct relay_connection *connection);
-void connection_ht_add(struct lttng_ht *relay_connections_ht,
-               struct relay_connection *conn);
-int connection_set_session(struct relay_connection *conn,
-               struct relay_session *session);
-
-#endif /* _CONNECTION_H */