Collaboration diagram for Network Routines:

Modules
	IP Protocol Definitions for use when creating sockets

Macros
#define	SWITCH_SO_LINGER 1

#define	SWITCH_SO_KEEPALIVE 2

#define	SWITCH_SO_DEBUG 4

#define	SWITCH_SO_NONBLOCK 8

#define	SWITCH_SO_REUSEADDR 16

#define	SWITCH_SO_SNDBUF 64

#define	SWITCH_SO_RCVBUF 128

#define	SWITCH_SO_DISCONNECTED 256

#define	SWITCH_SO_TCP_NODELAY 512

#define	SWITCH_SO_TCP_KEEPIDLE 520

#define	SWITCH_SO_TCP_KEEPINTVL 530

#define	SWITCH_INET AF_INET

#define	SWITCH_INET6 0

#define	SWITCH_UNSPEC 0

Typedefs
typedef struct apr_socket_t	switch_socket_t

typedef struct apr_sockaddr_t	switch_sockaddr_t

Enumerations
enum	switch_shutdown_how_e { SWITCH_SHUTDOWN_READ, SWITCH_SHUTDOWN_WRITE, SWITCH_SHUTDOWN_READWRITE }

Functions
switch_status_t	switch_socket_create (switch_socket_t *new_sock, int family, int type, int protocol, switch_memory_pool_t pool)

switch_status_t	switch_socket_shutdown (switch_socket_t *sock, switch_shutdown_how_e how)

switch_status_t	switch_socket_close (switch_socket_t *sock)

switch_status_t	switch_socket_bind (switch_socket_t sock, switch_sockaddr_t sa)

switch_status_t	switch_socket_listen (switch_socket_t *sock, int32_t backlog)

switch_status_t	switch_socket_accept (switch_socket_t *new_sock, switch_socket_t sock, switch_memory_pool_t *pool)

switch_status_t	switch_socket_connect (switch_socket_t sock, switch_sockaddr_t sa)

int	switch_socket_fd_get (switch_socket_t *sock)

uint16_t	switch_sockaddr_get_port (switch_sockaddr_t *sa)

const char *	switch_get_addr (char buf, switch_size_t len, switch_sockaddr_t in)

switch_status_t	switch_getnameinfo (char *hostname, switch_sockaddr_t sa, int32_t flags)

int32_t	switch_sockaddr_get_family (switch_sockaddr_t *sa)

switch_status_t	switch_sockaddr_ip_get (char *addr, switch_sockaddr_t sa)

int	switch_sockaddr_equal (const switch_sockaddr_t sa1, const switch_sockaddr_t sa2)

switch_status_t	switch_sockaddr_info_get (switch_sockaddr_t *sa, const char hostname, int32_t family, switch_port_t port, int32_t flags, switch_memory_pool_t *pool)

switch_status_t	switch_sockaddr_create (switch_sockaddr_t *sa, switch_memory_pool_t pool)

switch_status_t	switch_socket_send (switch_socket_t sock, const char buf, switch_size_t *len)

switch_status_t	switch_socket_sendto (switch_socket_t sock, switch_sockaddr_t where, int32_t flags, const char buf, switch_size_t len)

switch_status_t	switch_socket_send_nonblock (switch_socket_t sock, const char buf, switch_size_t *len)

switch_status_t	switch_socket_recvfrom (switch_sockaddr_t from, switch_socket_t sock, int32_t flags, char buf, size_t len)

switch_status_t	switch_socket_atmark (switch_socket_t sock, int atmark)

switch_status_t	switch_socket_recv (switch_socket_t sock, char buf, switch_size_t *len)

switch_status_t	switch_socket_opt_set (switch_socket_t *sock, int32_t opt, int32_t on)

switch_status_t	switch_socket_timeout_set (switch_socket_t *sock, switch_interval_time_t t)

switch_status_t	switch_mcast_join (switch_socket_t sock, switch_sockaddr_t join, switch_sockaddr_t iface, switch_sockaddr_t source)

switch_status_t	switch_mcast_hops (switch_socket_t *sock, uint8_t ttl)

switch_status_t	switch_mcast_loopback (switch_socket_t *sock, uint8_t opt)

switch_status_t	switch_mcast_interface (switch_socket_t sock, switch_sockaddr_t iface)

Detailed Description

Macro Definition Documentation

#define SWITCH_INET AF_INET

Not all platforms have these defined, so we'll define them here The default values come from FreeBSD 4.1.1

Definition at line 1009 of file switch_apr.h.

#define SWITCH_INET6 0

Definition at line 1013 of file switch_apr.h.

#define SWITCH_SO_DEBUG 4

Definition at line 993 of file switch_apr.h.

#define SWITCH_SO_DISCONNECTED 256

Definition at line 998 of file switch_apr.h.

#define SWITCH_SO_KEEPALIVE 2

Definition at line 992 of file switch_apr.h.

#define SWITCH_SO_LINGER 1

Definition at line 991 of file switch_apr.h.

#define SWITCH_SO_NONBLOCK 8

Definition at line 994 of file switch_apr.h.

Referenced by do_flush(), init_nat_monitor(), switch_rtp_clear_flag(), switch_rtp_set_flag(), switch_rtp_set_flags(), switch_rtp_set_local_address(), switch_rtp_udptl_mode(), and switch_stun_lookup().

#define SWITCH_SO_RCVBUF 128

Definition at line 997 of file switch_apr.h.

Referenced by switch_rtp_set_local_address().

#define SWITCH_SO_REUSEADDR 16

Definition at line 995 of file switch_apr.h.

Referenced by enable_local_rtcp_socket(), init_nat_monitor(), and switch_rtp_set_local_address().

#define SWITCH_SO_SNDBUF 64

Definition at line 996 of file switch_apr.h.

Referenced by switch_rtp_set_local_address().

#define SWITCH_SO_TCP_KEEPIDLE 520

Definition at line 1000 of file switch_apr.h.

Referenced by switch_socket_opt_set().

#define SWITCH_SO_TCP_KEEPINTVL 530

Definition at line 1001 of file switch_apr.h.

Referenced by switch_socket_opt_set().

#define SWITCH_SO_TCP_NODELAY 512

Definition at line 999 of file switch_apr.h.

#define SWITCH_UNSPEC 0

Let the system decide which address family to use

Definition at line 1022 of file switch_apr.h.

Referenced by enable_local_rtcp_socket(), enable_remote_rtcp_socket(), handle_ice(), init_nat_monitor(), switch_ivr_activate_unicast(), switch_rtp_activate_ice(), switch_rtp_activate_rtcp(), switch_rtp_set_local_address(), switch_rtp_set_remote_address(), switch_stun_host_lookup(), switch_stun_lookup(), and test_port().

Typedef Documentation

typedef struct apr_sockaddr_t switch_sockaddr_t

Freeswitch's socket address type, used to ensure protocol independence

Definition at line 1029 of file switch_apr.h.

typedef struct apr_socket_t switch_socket_t

A structure to represent sockets

Definition at line 1026 of file switch_apr.h.

Enumeration Type Documentation

enum switch_shutdown_how_e

Enumerator
SWITCH_SHUTDOWN_READ	no longer allow read request
SWITCH_SHUTDOWN_WRITE	no longer allow write requests
SWITCH_SHUTDOWN_READWRITE	no longer allow read or write requests

Definition at line 1031 of file switch_apr.h.

1274 {

Function Documentation

const char* switch_get_addr	(	char *	buf,
		switch_size_t	len,
		switch_sockaddr_t *	in
	)

Definition at line 894 of file switch_apr.c.

References buf, get_addr(), get_addr6(), memset(), and SWITCH_BLANK_STRING.

Referenced by check_rtcp_and_ice(), enable_local_rtcp_socket(), enable_remote_rtcp_socket(), handle_ice(), handle_nack(), read_rtp_packet(), rtp_common_read(), rtp_common_write(), switch_print_host(), switch_rtp_activate_ice(), and switch_stun_host_lookup().

 {
         if (!in) {
                 return SWITCH_BLANK_STRING;
         }
 
         memset(buf, 0, len);
 
         if (in->family == AF_INET) {
                 get_addr(buf, len, (struct sockaddr *) &in->sa, in->salen);
                 return buf;
         }
 
         get_addr6(buf, len, (struct sockaddr_in6 *) &in->sa, in->salen);
         return buf;
 }

switch_status_t switch_getnameinfo	(	char **	hostname,
		switch_sockaddr_t *	sa,
		int32_t	flags
	)

Definition at line 926 of file switch_apr.c.

 {
         return apr_getnameinfo(hostname, sa, flags);
 }

switch_status_t switch_mcast_hops	(	switch_socket_t *	sock,
		uint8_t	ttl
	)

Set the Multicast Time to Live (ttl) for a multicast transmission.

Parameters

sock	The socket to set the multicast ttl
ttl	Time to live to Assign. 0-255, default=1

Remarks: If the TTL is 0, packets will only be seen by sockets on the local machine, and only when multicast loopback is enabled.

Definition at line 876 of file switch_apr.c.

Referenced by switch_rtp_set_local_address().

 {
         return apr_mcast_hops(sock, ttl);
 }

switch_status_t switch_mcast_interface	(	switch_socket_t *	sock,
		switch_sockaddr_t *	iface
	)

Definition at line 886 of file switch_apr.c.

Referenced by switch_rtp_set_local_address().

 {
         return apr_mcast_interface(sock, iface);
 }

switch_status_t switch_mcast_join	(	switch_socket_t *	sock,
		switch_sockaddr_t *	join,
		switch_sockaddr_t *	iface,
		switch_sockaddr_t *	source
	)

Join a Multicast Group

Parameters

sock	The socket to join a multicast group
join	The address of the multicast group to join
iface	Address of the interface to use. If NULL is passed, the default multicast interface will be used. (OS Dependent)
source	Source Address to accept transmissions from (non-NULL implies Source-Specific Multicast)

Definition at line 871 of file switch_apr.c.

Referenced by init_nat_monitor(), and switch_rtp_set_local_address().

 {
         return apr_mcast_join(sock, join, iface, source);
 }

switch_status_t switch_mcast_loopback	(	switch_socket_t *	sock,
		uint8_t	opt
	)

Definition at line 881 of file switch_apr.c.

 {
         return apr_mcast_loopback(sock, opt);
 }

switch_status_t switch_sockaddr_create	(	switch_sockaddr_t **	sa,
		switch_memory_pool_t *	pool
	)

Definition at line 795 of file switch_apr.c.

References memset(), pool, switch_assert, and SWITCH_STATUS_SUCCESS.

Referenced by switch_rtp_create().

 {
         switch_sockaddr_t *new_sa;
         unsigned short family = APR_INET;
 
         new_sa = apr_pcalloc(pool, sizeof(apr_sockaddr_t));
         switch_assert(new_sa);
         new_sa->pool = pool;
         memset(new_sa, 0, sizeof(*new_sa));
 
         new_sa->family = family;
         new_sa->sa.sin.sin_family = family;
 
         new_sa->salen = sizeof(struct sockaddr_in);
         new_sa->addr_str_len = 16;
         new_sa->ipaddr_ptr = &(new_sa->sa.sin.sin_addr);
         new_sa->ipaddr_len = sizeof(struct in_addr);
 
         *sa = new_sa;
         return SWITCH_STATUS_SUCCESS;
 }

int switch_sockaddr_equal	(	const switch_sockaddr_t *	sa1,
		const switch_sockaddr_t *	sa2
	)

Definition at line 866 of file switch_apr.c.

 {
         return apr_sockaddr_equal(sa1, sa2);
 }

int32_t switch_sockaddr_get_family ( switch_sockaddr_t * sa )

Definition at line 921 of file switch_apr.c.

Referenced by enable_local_rtcp_socket(), enable_remote_rtcp_socket(), switch_rtp_set_local_address(), and switch_rtp_set_remote_address().

 {
         return sa->family;
 }

uint16_t switch_sockaddr_get_port ( switch_sockaddr_t * sa )

Definition at line 916 of file switch_apr.c.

Referenced by check_rtcp_and_ice(), enable_local_rtcp_socket(), handle_ice(), handle_nack(), read_rtp_packet(), rtp_common_read(), rtp_common_write(), switch_print_host(), and switch_rtp_activate_ice().

 {
         return sa->port;
 }

switch_status_t switch_sockaddr_info_get	(	switch_sockaddr_t **	sa,
		const char *	hostname,
		int32_t	family,
		switch_port_t	port,
		int32_t	flags,
		switch_memory_pool_t *	pool
	)

Create apr_sockaddr_t from hostname, address family, and port.

Parameters

sa	The new apr_sockaddr_t.
hostname	The hostname or numeric address string to resolve/parse, or NULL to build an address that corresponds to 0.0.0.0 or ::
family	The address family to use, or SWITCH_UNSPEC if the system should decide.
port	The port number.
flags	Special processing flags: APR_IPV4_ADDR_OK first query for IPv4 addresses; only look for IPv6 addresses if the first query failed; only valid if family is APR_UNSPEC and hostname isn't NULL; mutually exclusive with APR_IPV6_ADDR_OK APR_IPV6_ADDR_OK first query for IPv6 addresses; only look for IPv4 addresses if the first query failed; only valid if family is APR_UNSPEC and hostname isn't NULL and APR_HAVE_IPV6; mutually exclusive with APR_IPV4_ADDR_OK
pool	The pool for the apr_sockaddr_t and associated storage.

Definition at line 817 of file switch_apr.c.

Referenced by enable_local_rtcp_socket(), enable_remote_rtcp_socket(), handle_ice(), init_nat_monitor(), switch_ivr_activate_unicast(), switch_rtp_activate_ice(), switch_rtp_activate_rtcp(), switch_rtp_set_local_address(), switch_rtp_set_remote_address(), switch_stun_host_lookup(), switch_stun_lookup(), and test_port().

 {
         return apr_sockaddr_info_get(sa, hostname, family, port, flags, pool);
 }

switch_status_t switch_sockaddr_ip_get	(	char **	addr,
		switch_sockaddr_t *	sa
	)

Definition at line 861 of file switch_apr.c.

 {
         return apr_sockaddr_ip_get(addr, sa);
 }

switch_status_t switch_socket_accept	(	switch_socket_t **	new_sock,
		switch_socket_t *	sock,
		switch_memory_pool_t *	pool
	)

Accept a new connection request

Parameters

new_sock	A copy of the socket that is connected to the socket that made the connection request. This is the socket which should be used for all future communication.
sock	The socket we are listening on.
pool	The pool for the new socket.

Definition at line 729 of file switch_apr.c.

 {
         return apr_socket_accept(new_sock, sock, pool);
 }

switch_status_t switch_socket_atmark	(	switch_socket_t *	sock,
		int *	atmark
	)

Definition at line 931 of file switch_apr.c.

 {
         return apr_socket_atmark(sock, atmark);
 }

switch_status_t switch_socket_bind	(	switch_socket_t *	sock,
		switch_sockaddr_t *	sa
	)

Bind the socket to its associated port

Parameters

sock	The socket to bind
sa	The socket address to bind to

Remarks: This may be where we will find out if there is any other process using the selected port.

Definition at line 719 of file switch_apr.c.

Referenced by enable_local_rtcp_socket(), init_nat_monitor(), switch_ivr_activate_unicast(), switch_rtp_set_local_address(), switch_stun_lookup(), and test_port().

 {
         return apr_socket_bind(sock, sa);
 }

switch_status_t switch_socket_close ( switch_socket_t * sock )

Close a socket.

Parameters

sock	The socket to close

Definition at line 714 of file switch_apr.c.

Referenced by enable_local_rtcp_socket(), enable_remote_rtcp_socket(), init_nat_monitor(), switch_ivr_deactivate_unicast(), switch_rtp_destroy(), switch_rtp_set_local_address(), switch_rtp_set_remote_address(), switch_rtp_udptl_mode(), switch_stun_lookup(), and test_port().

 {
         return apr_socket_close(sock);
 }

switch_status_t switch_socket_connect	(	switch_socket_t *	sock,
		switch_sockaddr_t *	sa
	)

Issue a connection request to a socket either on the same machine or a different one.

Parameters

sock	The socket we wish to use for our side of the connection
sa	The address of the machine we wish to connect to.

Definition at line 734 of file switch_apr.c.

 {
         return apr_socket_connect(sock, sa);
 }

switch_status_t switch_socket_create	(	switch_socket_t **	new_sock,
		int	family,
		int	type,
		int	protocol,
		switch_memory_pool_t *	pool
	)

Create a socket.

Parameters

new_sock	The new socket that has been set up.
family	The address family of the socket (e.g., SWITCH_INET).
type	The type of the socket (e.g., SOCK_STREAM).
protocol	The protocol of the socket (e.g., SWITCH_PROTO_TCP).
pool	The pool to use

Definition at line 704 of file switch_apr.c.

Referenced by enable_local_rtcp_socket(), enable_remote_rtcp_socket(), init_nat_monitor(), switch_ivr_activate_unicast(), switch_rtp_set_local_address(), switch_rtp_set_remote_address(), switch_stun_lookup(), and test_port().

 {
         return apr_socket_create(new_sock, family, type, protocol, pool);
 }

int switch_socket_fd_get ( switch_socket_t * sock )

Get socket fd for the switch socket passed

Parameters

sock	The socket we wish to have fd

Definition at line 911 of file switch_apr.c.

 {
         return apr_socket_fd_get(sock);
 }

switch_status_t switch_socket_listen	(	switch_socket_t *	sock,
		int32_t	backlog
	)

Listen to a bound socket for connections.

Parameters

sock	The socket to listen on
backlog	The number of outstanding connections allowed in the sockets listen queue. If this value is less than zero, the listen queue size is set to zero.

Definition at line 724 of file switch_apr.c.

 {
         return apr_socket_listen(sock, backlog);
 }

switch_status_t switch_socket_opt_set	(	switch_socket_t *	sock,
		int32_t	opt,
		int32_t	on
	)

Setup socket options for the specified socket

Parameters

sock The socket to set up.

opt

The option we would like to configure. One of:

           APR_SO_DEBUG      --  turn on debugging information 
           APR_SO_KEEPALIVE  --  keep connections active
           APR_SO_LINGER     --  lingers on close if data is present
           APR_SO_NONBLOCK   --  Turns blocking on/off for socket
                                 When this option is enabled, use
                                 the APR_STATUS_IS_EAGAIN() macro to
                                 see if a send or receive function
                                 could not transfer data without
                                 blocking.
           APR_SO_REUSEADDR  --  The rules used in validating addresses
                                 supplied to bind should allow reuse
                                 of local addresses.
           APR_SO_SNDBUF     --  Set the SendBufferSize
           APR_SO_RCVBUF     --  Set the ReceiveBufferSize

on Value for the option.

Definition at line 823 of file switch_apr.c.

References SWITCH_SO_TCP_KEEPIDLE, SWITCH_SO_TCP_KEEPINTVL, SWITCH_STATUS_FALSE, SWITCH_STATUS_NOTIMPL, and SWITCH_STATUS_SUCCESS.

Referenced by do_flush(), enable_local_rtcp_socket(), init_nat_monitor(), switch_rtp_clear_flag(), switch_rtp_set_flag(), switch_rtp_set_flags(), switch_rtp_set_local_address(), switch_rtp_udptl_mode(), and switch_stun_lookup().

 {
         if (opt == SWITCH_SO_TCP_KEEPIDLE) {
                 int r = -10;
                 
 #if defined(TCP_KEEPIDLE)
                 r = setsockopt(jsock->client_socket, SOL_TCP, TCP_KEEPIDLE, (void *)&on, sizeof(on));
 #endif
                 if (r == -10) {
                         return SWITCH_STATUS_NOTIMPL;
                 }
 
         
                 return r ? SWITCH_STATUS_FALSE : SWITCH_STATUS_SUCCESS;
         }
 
         if (opt == SWITCH_SO_TCP_KEEPINTVL) {
                 int r = -10;
 
 #if defined(TCP_KEEPINTVL)
                 r = setsockopt(jsock->client_socket, SOL_TCP, TCP_KEEPINTVL, (void *)&on, sizeof(on));
 #endif
 
                 if (r == -10) {
                         return SWITCH_STATUS_NOTIMPL;
                 }
 
                 return r ? SWITCH_STATUS_FALSE : SWITCH_STATUS_SUCCESS;
         }
 
         return apr_socket_opt_set(sock, opt, on);
 }

switch_status_t switch_socket_recv	(	switch_socket_t *	sock,
		char *	buf,
		switch_size_t *	len
	)

Read data from a network.

Parameters

sock	The socket to read the data from.
buf	The buffer to store the data in.
len	On entry, the number of bytes to receive; on exit, the number of bytes received.

Remarks

This functions acts like a blocking read by default.  To change 
this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
socket option.
The number of bytes actually received is stored in argument 3.

It is possible for both bytes to be received and an APR_EOF or other error to be returned.

APR_EINTR is never returned.

Definition at line 782 of file switch_apr.c.

References SWITCH_STATUS_BREAK.

Referenced by unicast_thread_run().

 {
         int r;
 
         r = apr_socket_recv(sock, buf, len);
 
         if (r == 35 || r == 730035) {
                 r = SWITCH_STATUS_BREAK;
         }
 
         return (switch_status_t)r;
 }

switch_status_t switch_socket_recvfrom	(	switch_sockaddr_t *	from,
		switch_socket_t *	sock,
		int32_t	flags,
		char *	buf,
		size_t *	len
	)

Parameters

from	The apr_sockaddr_t to fill in the recipient info
sock	The socket to use
flags	The flags to use
buf	The buffer to use
len	The length of the available buffer

Definition at line 936 of file switch_apr.c.

References SWITCH_STATUS_BREAK, and SWITCH_STATUS_GENERR.

Referenced by do_flush(), read_rtcp_packet(), read_rtp_packet(), switch_nat_multicast_runtime(), switch_rtp_set_local_address(), and switch_stun_lookup().

 {
         int r = SWITCH_STATUS_GENERR;
 
         if (from && sock && (r = apr_socket_recvfrom(from, sock, flags, buf, len)) == APR_SUCCESS) {
                 from->port = ntohs(from->sa.sin.sin_port);
                 /* from->ipaddr_ptr = &(from->sa.sin.sin_addr);
                  * from->ipaddr_ptr = inet_ntoa(from->sa.sin.sin_addr);
                  */
         }
 
         if (r == 35 || r == 730035) {
                 r = SWITCH_STATUS_BREAK;
         }
 
         return (switch_status_t)r;
 }

switch_status_t switch_socket_send	(	switch_socket_t *	sock,
		const char *	buf,
		switch_size_t *	len
	)

Send data over a network.

Parameters

sock	The socket to send the data over.
buf	The buffer which contains the data to be sent.
len	On entry, the number of bytes to send; on exit, the number of bytes sent.

Remarks

This functions acts like a blocking write by default.  To change 
this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
socket option.

It is possible for both bytes to be sent and an error to be returned.

APR_EINTR is never returned.

Definition at line 739 of file switch_apr.c.

References SWITCH_STATUS_BREAK, SWITCH_STATUS_FALSE, SWITCH_STATUS_SUCCESS, and switch_yield.

 {
         int status = SWITCH_STATUS_SUCCESS;
         switch_size_t req = *len, wrote = 0, need = *len;
         int to_count = 0;
 
         while ((wrote < req && status == SWITCH_STATUS_SUCCESS) || (need == 0 && status == SWITCH_STATUS_BREAK) || status == 730035 || status == 35) {
                 need = req - wrote;
                 status = apr_socket_send(sock, buf + wrote, &need);
                 if (status == SWITCH_STATUS_BREAK || status == 730035 || status == 35) {
                         if (++to_count > 60000) {
                                 status = SWITCH_STATUS_FALSE;
                                 break;
                         }
                         switch_yield(10000);
                 } else {
                         to_count = 0;
                 }
                 wrote += need;
         }
 
         *len = wrote;
         return (switch_status_t)status;
 }

switch_status_t switch_socket_send_nonblock	(	switch_socket_t *	sock,
		const char *	buf,
		switch_size_t *	len
	)

Definition at line 764 of file switch_apr.c.

References SWITCH_STATUS_GENERR.

 {
         if (!sock || !buf || !len) {
                 return SWITCH_STATUS_GENERR;
         }
         
         return apr_socket_send(sock, buf, len);
 }

switch_status_t switch_socket_sendto	(	switch_socket_t *	sock,
		switch_sockaddr_t *	where,
		int32_t	flags,
		const char *	buf,
		switch_size_t *	len
	)

Parameters

sock	The socket to send from
where	The apr_sockaddr_t describing where to send the data
flags	The flags to use
buf	The data to send
len	The length of the data to send

Definition at line 773 of file switch_apr.c.

References SWITCH_STATUS_GENERR.

Referenced by check_rtcp_and_ice(), do_dtls(), handle_ice(), ice_out(), ping_socket(), rtp_common_read(), rtp_common_write(), switch_ivr_park(), switch_rtp_set_local_address(), switch_rtp_write_frame(), switch_rtp_write_raw(), and switch_stun_lookup().

 {
         if (!where || !buf || !len || !*len) {
                 return SWITCH_STATUS_GENERR;
         }
         return apr_socket_sendto(sock, where, flags, buf, len);
 }

switch_status_t switch_socket_shutdown	(	switch_socket_t *	sock,
		switch_shutdown_how_e	how
	)

Shutdown either reading, writing, or both sides of a socket.

Parameters

sock	The socket to close
how	How to shutdown the socket. One of: SWITCH_SHUTDOWN_READ no longer allow read requests SWITCH_SHUTDOWN_WRITE no longer allow write requests SWITCH_SHUTDOWN_READWRITE no longer allow read or write requests

See also: switch_shutdown_how_e

Remarks: This does not actually close the socket descriptor, it just controls which calls are still valid on the socket.

Definition at line 709 of file switch_apr.c.

Referenced by switch_ivr_deactivate_unicast(), switch_rtp_kill_socket(), switch_rtp_udptl_mode(), and switch_stun_lookup().

 {
         return apr_socket_shutdown(sock, (apr_shutdown_how_e) how);
 }

switch_status_t switch_socket_timeout_set	(	switch_socket_t *	sock,
		switch_interval_time_t	t
	)

Setup socket timeout for the specified socket

Parameters

sock	The socket to set up.
t	Value for the timeout. t > 0 – read and write calls return APR_TIMEUP if specified time elapsess with no data read or written t == 0 – read and write calls never block t < 0 – read and write calls block

Definition at line 856 of file switch_apr.c.

 {
         return apr_socket_timeout_set(sock, t);
 }

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