4 Copyright (C) Amitay Isaacs 2015
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef __CTDB_SYSTEM_H__
21 #define __CTDB_SYSTEM_H__
23 /* From system_common.c */
25 uint32_t uint16_checksum(uint16_t *data, size_t n);
26 bool ctdb_sys_have_ip(ctdb_sock_addr *_addr);
27 char *ctdb_sys_find_ifname(ctdb_sock_addr *addr);
29 /* From system_<os>.c */
31 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
32 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
33 const ctdb_sock_addr *src,
34 uint32_t seq, uint32_t ack, int rst);
35 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
36 int ctdb_sys_close_capture_socket(void *private_data);
37 int ctdb_sys_read_tcp_packet(int s, void *private_data,
38 ctdb_sock_addr *src, ctdb_sock_addr *dst,
39 uint32_t *ack_seq, uint32_t *seq);
40 bool ctdb_sys_check_iface_exists(const char *iface);
41 int ctdb_get_peer_pid(const int fd, pid_t *peer_pid);
43 /* From system_util.c */
45 bool set_scheduler(void);
46 void reset_scheduler(void);
47 void set_nonblocking(int fd);
48 void set_close_on_exec(int fd);
50 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
51 bool parse_ip(const char *addr, const char *ifaces, unsigned port,
52 ctdb_sock_addr *saddr);
53 bool parse_ip_mask(const char *str, const char *ifaces, ctdb_sock_addr *addr,
55 bool parse_ip_port(const char *addr, ctdb_sock_addr *saddr);
57 void lockdown_memory(bool valgrinding);
59 int mkdir_p(const char *dir, int mode);
60 void mkdir_p_or_die(const char *dir, int mode);
62 ssize_t sys_read(int fd, void *buf, size_t count);
63 ssize_t sys_write(int fd, const void *buf, size_t count);
65 #endif /* __CTDB_SYSTEM_H__ */