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authorTom Gundersen <teg@jklm.no>2014-01-13 20:14:44 +0100
committerTom Gundersen <teg@jklm.no>2014-01-13 21:06:13 +0100
commit0b54473e9b73d867ed7807507a0fb5adc8137b10 (patch)
tree0786f659f1b389adb5386636c4a1a9d49b7c2fab /src/libsystemd/rtnl-internal.h
parentc813ca40c859ff8abc8bc6aabc3f1e896623eb67 (diff)
libsystemd-rtnl: merge into libsystemd
Diffstat (limited to 'src/libsystemd/rtnl-internal.h')
-rw-r--r--src/libsystemd/rtnl-internal.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/src/libsystemd/rtnl-internal.h b/src/libsystemd/rtnl-internal.h
new file mode 100644
index 0000000000..2e0b7b8f37
--- /dev/null
+++ b/src/libsystemd/rtnl-internal.h
@@ -0,0 +1,99 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Tom Gundersen <teg@jklm.no>
+
+ 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/>.
+***/
+
+#include <linux/netlink.h>
+
+#include "refcnt.h"
+#include "prioq.h"
+#include "list.h"
+
+#include "sd-rtnl.h"
+
+struct reply_callback {
+ sd_rtnl_message_handler_t callback;
+ void *userdata;
+ usec_t timeout;
+ uint64_t serial;
+ unsigned prioq_idx;
+};
+
+struct match_callback {
+ sd_rtnl_message_handler_t callback;
+ uint16_t type;
+ void *userdata;
+
+ LIST_FIELDS(struct match_callback, match_callbacks);
+};
+
+struct sd_rtnl {
+ RefCount n_ref;
+
+ int fd;
+
+ union {
+ struct sockaddr sa;
+ struct sockaddr_nl nl;
+ } sockaddr;
+
+ sd_rtnl_message **rqueue;
+ unsigned rqueue_size;
+
+ sd_rtnl_message **wqueue;
+ unsigned wqueue_size;
+
+ bool processing:1;
+
+ uint32_t serial;
+
+ struct Prioq *reply_callbacks_prioq;
+ Hashmap *reply_callbacks;
+
+ LIST_HEAD(struct match_callback, match_callbacks);
+
+ pid_t original_pid;
+
+ sd_event_source *io_event_source;
+ sd_event_source *time_event_source;
+ sd_event_source *exit_event_source;
+ sd_event *event;
+};
+
+#define RTNL_DEFAULT_TIMEOUT ((usec_t) (10 * USEC_PER_SEC))
+
+#define RTNL_WQUEUE_MAX 1024
+#define RTNL_RQUEUE_MAX 64*1024
+
+int message_new_synthetic_error(int error, uint32_t serial, sd_rtnl_message **ret);
+uint32_t message_get_serial(sd_rtnl_message *m);
+int message_seal(sd_rtnl *nl, sd_rtnl_message *m);
+
+bool message_type_is_link(uint16_t type);
+bool message_type_is_addr(uint16_t type);
+bool message_type_is_route(uint16_t type);
+
+int socket_write_message(sd_rtnl *nl, sd_rtnl_message *m);
+int socket_read_message(sd_rtnl *nl, sd_rtnl_message **ret);
+
+/* Make sure callbacks don't destroy the rtnl connection */
+#define RTNL_DONT_DESTROY(rtnl) \
+ _cleanup_sd_rtnl_unref_ _unused_ sd_rtnl *_dont_destroy_##rtnl = sd_rtnl_ref(rtnl)