ss7_asp_peer.c File Reference

#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <inttypes.h>
#include <netdb.h>
#include <netinet/in.h>
#include <netinet/sctp.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/socket.h>
#include <osmocom/core/sockaddr_str.h>
#include <osmocom/sigtran/osmo_ss7.h>
#include "ss7_asp_peer.h"
#include "ss7_internal.h"

Functions
void	ss7_asp_peer_init (struct osmo_ss7_asp_peer *peer)
int	ss7_asp_peer_snprintf (char *buf, size_t buf_len, struct osmo_ss7_asp_peer *peer)
int	ss7_asp_peer_set_hosts2 (struct osmo_ss7_asp_peer *peer, void *talloc_ctx, const char *const *hosts, size_t host_cnt, int idx_primary)
	Set (copy) addresses for a given ASP peer. More...
int	ss7_asp_peer_set_hosts (struct osmo_ss7_asp_peer *peer, void *talloc_ctx, const char *const *hosts, size_t host_cnt)
	Set (copy) addresses for a given ASP peer. More...
static bool	host_is_ip_anyaddr (const char *host, bool is_v6)
int	ss7_asp_peer_add_host2 (struct osmo_ss7_asp_peer *peer, void *talloc_ctx, const char *host, bool is_primary_addr)
	Append (copy) address to a given ASP peer. More...
int	ss7_asp_peer_del_host (struct osmo_ss7_asp_peer *peer, const char *host)
	Remove address from a given ASP peer. More...
int	ss7_asp_peer_add_host (struct osmo_ss7_asp_peer *peer, void *talloc_ctx, const char *host)
	Append (copy) address to a given ASP peer. More...
bool	ss7_asp_peer_match_host (const struct osmo_ss7_asp_peer *peer, const char *host, bool host_is_v6)
int	ss7_asp_peer_find_host (const struct osmo_ss7_asp_peer *peer, const char *host)
	Find the exact IP address match and return its index in the array. More...

Function Documentation

host_is_ip_anyaddr()

static bool host_is_ip_anyaddr ( const char *  host, bool  is_v6  )

inlinestatic

Referenced by ss7_asp_peer_add_host2(), and ss7_asp_peer_match_host().

ss7_asp_peer_add_host()

int ss7_asp_peer_add_host	(	struct osmo_ss7_asp_peer *	peer,
		void *	talloc_ctx,
		const char *	host
	)

Append (copy) address to a given ASP peer.

Previous addresses are kept.

Parameters

[in]	peer	Application Server Process peer the address is appended to.
[in]	talloc_ctx	talloc context used to allocate new address.
[in]	host	string containing an IP address.

Returns

0 on success; negative otherwise

References ss7_asp_peer_add_host2().

Referenced by osmo_sccp_simple_server_add_clnt(), ss7_asp_set_default_peer_hosts(), and ss7_xua_server_add_local_host().

ss7_asp_peer_add_host2()

int ss7_asp_peer_add_host2	(	struct osmo_ss7_asp_peer *	peer,
		void *	talloc_ctx,
		const char *	host,
		bool	is_primary_addr
	)

Append (copy) address to a given ASP peer.

Previous addresses are kept.

Parameters

[in]	peer	Application Server Process peer the address is appended to.
[in]	talloc_ctx	talloc context used to allocate new address.
[in]	host	string containing an IP address.
[in]	is_primary_addr	whether this IP address is to be added as SCTP Primary Address

Returns

0 on success; negative otherwise

References osmo_ss7_asp_peer::host, osmo_ss7_asp_peer::host_cnt, host_is_ip_anyaddr(), and osmo_ss7_asp_peer::idx_primary.

Referenced by DEFUN_ATTR(), and ss7_asp_peer_add_host().

ss7_asp_peer_del_host()

int ss7_asp_peer_del_host	(	struct osmo_ss7_asp_peer *	peer,
		const char *	host
	)

Remove address from a given ASP peer.

Parameters

[in]	peer	Application Server Process peer the address is removed from.
[in]	host	string containing an IP address.

Returns

0 on success; negative otherwise

References osmo_ss7_asp_peer::host, osmo_ss7_asp_peer::host_cnt, osmo_ss7_asp_peer::idx_primary, and NULL.

Referenced by DEFUN_ATTR(), and ss7_xua_server_del_local_host().

ss7_asp_peer_find_host()

int ss7_asp_peer_find_host	(	const struct osmo_ss7_asp_peer *	peer,
		const char *	host
	)

Find the exact IP address match and return its index in the array.

Parameters

[in]	peer	Application Server Process peer where the address is looked up.
[in]	host	string containing an IP address.

Returns

>=0 on success containing the index of the host; negative otherwise

References osmo_ss7_asp_peer::host, and osmo_ss7_asp_peer::host_cnt.

Referenced by DEFUN_ATTR().

ss7_asp_peer_init()

void ss7_asp_peer_init

(

struct osmo_ss7_asp_peer *

peer

)

References osmo_ss7_asp_peer::idx_primary.

Referenced by ss7_asp_alloc().

ss7_asp_peer_match_host()

bool ss7_asp_peer_match_host	(	const struct osmo_ss7_asp_peer *	peer,
		const char *	host,
		bool	host_is_v6
	)

References osmo_ss7_asp_peer::host, osmo_ss7_asp_peer::host_cnt, and host_is_ip_anyaddr().

Referenced by ss7_asp_find_by_socket_addr().

ss7_asp_peer_set_hosts()

int ss7_asp_peer_set_hosts	(	struct osmo_ss7_asp_peer *	peer,
		void *	talloc_ctx,
		const char *const *	hosts,
		size_t	host_cnt
	)

Set (copy) addresses for a given ASP peer.

Previous addresses are freed.

Parameters

[in]	peer	Application Server Process peer whose addresses are to be set.
[in]	talloc_ctx	talloc context used to allocate new addresses.
[in]	hosts	Array of strings containing IP addresses.
[in]	host_cnt	Number of strings in hosts

Returns

0 on success; negative otherwise

References ss7_asp_peer_set_hosts2().

Referenced by osmo_sccp_simple_client_on_ss7_id(), osmo_sccp_simple_server_add_clnt(), ss7_xua_server_set_local_hosts(), and xua_accept_cb().

ss7_asp_peer_set_hosts2()

int ss7_asp_peer_set_hosts2	(	struct osmo_ss7_asp_peer *	peer,
		void *	talloc_ctx,
		const char *const *	hosts,
		size_t	host_cnt,
		int	idx_primary
	)

Set (copy) addresses for a given ASP peer.

Previous addresses are freed.

Parameters

[in]	peer	Application Server Process peer whose addresses are to be set.
[in]	talloc_ctx	talloc context used to allocate new addresses.
[in]	hosts	Array of strings containing IP addresses.
[in]	host_cnt	Number of strings in hosts
[in]	idx_primary	Index in "hosts" array marking the SCTP Primary Address, -1 if no explicit Primary Address set

Returns

0 on success; negative otherwise

References osmo_ss7_asp_peer::host, osmo_ss7_asp_peer::host_cnt, osmo_ss7_asp_peer::idx_primary, and NULL.

Referenced by ss7_asp_peer_set_hosts().

ss7_asp_peer_snprintf()

int ss7_asp_peer_snprintf	(	char *	buf,
		size_t	buf_len,
		struct osmo_ss7_asp_peer *	peer
	)

References osmo_ss7_asp_peer::host, osmo_ss7_asp_peer::host_cnt, osmo_ss7_asp_peer::idx_primary, len, and osmo_ss7_asp_peer::port.

Referenced by osmo_ss7_asp_restart(), show_one_asp(), ss7_xua_server_bind(), and vty_dump_xua_server().