Merge pull request #8817 from yuwata/cleanup-nsflags

[thirdparty/systemd.git] / src / core / socket.h

diff --git a/src/core/socket.h b/src/core/socket.h
index ca3f815a477ffbe7da40496546165bd9047f7aa6..8a9559d5c6da0c7f89a92338a134491e96a3c3d3 100644 (file)
--- a/src/core/socket.h
+++ b/src/core/socket.h
@@ -1,31 +1,19 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
 typedef struct Socket Socket;
+typedef struct SocketPeer SocketPeer;
 
 #include "mount.h"
 #include "service.h"
 #include "socket-util.h"
+#include "unit.h"
 
 typedef enum SocketExecCommand {
         SOCKET_EXEC_START_PRE,
@@ -43,8 +31,8 @@ typedef enum SocketType {
         SOCKET_SPECIAL,
         SOCKET_MQUEUE,
         SOCKET_USB_FUNCTION,
-        _SOCKET_FIFO_MAX,
-        _SOCKET_FIFO_INVALID = -1
+        _SOCKET_TYPE_MAX,
+        _SOCKET_TYPE_INVALID = -1
 } SocketType;
 
 typedef enum SocketResult {
@@ -54,6 +42,8 @@ typedef enum SocketResult {
         SOCKET_FAILURE_EXIT_CODE,
         SOCKET_FAILURE_SIGNAL,
         SOCKET_FAILURE_CORE_DUMP,
+        SOCKET_FAILURE_START_LIMIT_HIT,
+        SOCKET_FAILURE_TRIGGER_LIMIT_HIT,
         SOCKET_FAILURE_SERVICE_START_LIMIT_HIT,
         _SOCKET_RESULT_MAX,
         _SOCKET_RESULT_INVALID = -1
@@ -65,7 +55,7 @@ typedef struct SocketPort {
         SocketType type;
         int fd;
         int *auxiliary_fds;
-        int n_auxiliary_fds;
+        size_t n_auxiliary_fds;
 
         SocketAddress address;
         char *path;
@@ -79,9 +69,12 @@ struct Socket {
 
         LIST_HEAD(SocketPort, ports);
 
+        Set *peers_by_address;
+
         unsigned n_accepted;
         unsigned n_connections;
         unsigned max_connections;
+        unsigned max_connections_per_source;
 
         unsigned backlog;
         unsigned keep_alive_cnt;
@@ -94,11 +87,13 @@ struct Socket {
         ExecContext exec_context;
         KillContext kill_context;
         CGroupContext cgroup_context;
+
         ExecRuntime *exec_runtime;
+        DynamicCreds dynamic_creds;
 
         /* For Accept=no sockets refers to the one service we'll
-        activate. For Accept=yes sockets is either NULL, or filled
-        when the next service we spawn. */
+         * activate. For Accept=yes sockets is either NULL, or filled
+         * to refer to the next service we spawn. */
         UnitRef service;
 
         SocketState state, deserialized_state;
@@ -155,11 +150,17 @@ struct Socket {
 
         char *user, *group;
 
-        bool reset_cpu_usage:1;
-
         char *fdname;
+
+        RateLimit trigger_limit;
 };
 
+SocketPeer *socket_peer_ref(SocketPeer *p);
+SocketPeer *socket_peer_unref(SocketPeer *p);
+int socket_acquire_peer(Socket *s, int fd, SocketPeer **p);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(SocketPeer*, socket_peer_unref);
+
 /* Called from the service code when collecting fds */
 int socket_collect_fds(Socket *s, int **fds);
 
@@ -181,3 +182,6 @@ const char* socket_result_to_string(SocketResult i) _const_;
 SocketResult socket_result_from_string(const char *s) _pure_;
 
 const char* socket_port_type_to_string(SocketPort *p) _pure_;
+SocketType socket_port_type_from_string(const char *p) _pure_;
+
+DEFINE_CAST(SOCKET, Socket);