2d61e89037
This is based on the patch by sagil@infinidat.com, but heavily modified. Add a function nl_socket_set_fd(), I renamed it from nl_connect_fd(). Now nl_connect() and nl_socket_set_fd() are implemented independently as they share little code. But they have similar functionality: to initialize a libnl socket and set it's file descriptor. A user who wants libnl to setup the socket can continue to use nl_connect(). A user with special requirements should setup the socket entirely. That includes calling socket() (with or without SOCK_CLOEXEC), bind(), setting buffer size. For the same reason I dropped nl_create_fd(). It didn't do much more then calling socket() -- which the user can do directly. https://github.com/thom311/libnl/pull/68 Signed-off-by: Thomas Haller <thaller@redhat.com>
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*
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* netlink/socket.h Netlink Socket
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
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*/
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#ifndef NETLINK_SOCKET_H_
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#define NETLINK_SOCKET_H_
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#include <netlink/types.h>
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#include <netlink/handlers.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern struct nl_sock * nl_socket_alloc(void);
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extern struct nl_sock * nl_socket_alloc_cb(struct nl_cb *);
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extern void nl_socket_free(struct nl_sock *);
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extern uint32_t nl_socket_get_local_port(const struct nl_sock *);
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extern void nl_socket_set_local_port(struct nl_sock *, uint32_t);
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extern int nl_socket_add_memberships(struct nl_sock *, int, ...);
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extern int nl_socket_add_membership(struct nl_sock *, int);
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extern int nl_socket_drop_memberships(struct nl_sock *, int, ...);
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extern int nl_socket_drop_membership(struct nl_sock *,
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int);
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extern void nl_join_groups(struct nl_sock *, int);
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extern uint32_t nl_socket_get_peer_port(const struct nl_sock *);
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extern void nl_socket_set_peer_port(struct nl_sock *,
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uint32_t);
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extern uint32_t nl_socket_get_peer_groups(const struct nl_sock *sk);
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extern void nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups);
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extern struct nl_cb * nl_socket_get_cb(const struct nl_sock *);
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extern void nl_socket_set_cb(struct nl_sock *,
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struct nl_cb *);
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extern int nl_socket_modify_cb(struct nl_sock *, enum nl_cb_type,
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enum nl_cb_kind,
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nl_recvmsg_msg_cb_t, void *);
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extern int nl_socket_modify_err_cb(struct nl_sock *, enum nl_cb_kind,
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nl_recvmsg_err_cb_t, void *);
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extern int nl_socket_set_buffer_size(struct nl_sock *, int, int);
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extern int nl_socket_set_msg_buf_size(struct nl_sock *, size_t);
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extern size_t nl_socket_get_msg_buf_size(struct nl_sock *);
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extern int nl_socket_set_passcred(struct nl_sock *, int);
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extern int nl_socket_recv_pktinfo(struct nl_sock *, int);
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extern void nl_socket_disable_seq_check(struct nl_sock *);
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extern unsigned int nl_socket_use_seq(struct nl_sock *);
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extern void nl_socket_disable_auto_ack(struct nl_sock *);
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extern void nl_socket_enable_auto_ack(struct nl_sock *);
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extern int nl_socket_get_fd(const struct nl_sock *);
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extern int nl_socket_set_fd(struct nl_sock *sk, int protocol, int fd);
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extern int nl_socket_set_nonblocking(const struct nl_sock *);
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extern void nl_socket_enable_msg_peek(struct nl_sock *);
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extern void nl_socket_disable_msg_peek(struct nl_sock *);
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#ifdef __cplusplus
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}
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#endif
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#endif
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