freeswitch/libs/sofia-sip/libsofia-sip-ua/su/su.docs
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C

/* -*- C -*- */
/**@MODULEPAGE "su" - OS Services and Utilities
*
* @section su_meta Module Information
*
* The @b su module contains a simple, portable socket/timing/synchronizing
* library developed for Sofia communications software.
*
* @CONTACT Pekka Pessi <Pekka.Pessi@nokia.com>
*
* @STATUS @SofiaSIP Core library
*
* @LICENSE LGPL
*
* @section su_overview Overview
*
* The @b su module provides following interfaces for application programs:
*
* - <sofia-sip/su_types.h> - integral types
* - <sofia-sip/su_alloc.h> - @ref su_alloc memory management
* - <sofia-sip/su.h> - @ref su_socket
* - <sofia-sip/su_localinfo.h> - get list of local IP addresses
* - <sofia-sip/su_wait.h> - @ref su_wait
* - <sofia-sip/su_time.h> - @ref su_time
* - <sofia-sip/su_log.h> - @ref su_log
* - <sofia-sip/su_tag.h> - @ref su_tag
* - <sofia-sip/su_md5.h> - @ref su_md5
* - <sofia-sip/su_uniqueid.h> - @ref su_uniqueid Unique ID and random number generators
*
* The @b su library also contains some collection datatypes:
* - <sofia-sip/htable.h> - @ref su_htable
* - <sofia-sip/rbtree.h> - balanced red-black trees
* - <sofia-sip/su_strlst.h> - @ref su_strlst list of strings
* - <sofia-sip/su_vector.h> - @ref su_vector dynamic arrays of pointers
*
* There are also some convenience macros for unit test programs:
* - sofia-sip/tstdef.h - macros for unit tests
*
* @author Pekka Pessi <Pekka.Pessi@nokia.com>
* @author Jari Selin <Jari.Selin@nokia.com>
*
* @par SU Debug Log
*
* The debugging output from @b su module is controlled by #su_log_global
* log object. The environment variable #SU_DEBUG sets the default log
* level.
*/
/**@maindefgroup su OS Utilities
*
* The "su" module contains OS utilies for Sofia.
*
* The @b su is a simple, portable socket/timing/synchronizing library
* developed for Sofia communications software. Currently, interface to
* it consists of following parts:
*
* - <sofia-sip/su_types.h> - basic integer types
* - <a href=group_su_socket.html>su_socket</a> - socket functions
* - <a href=group_su_wait.html>su_wait</a> - synchronization functions
* - <a href=group_su_time.html>su_time</a> - time functions
* - <a href=group_su_alloc.html>su_alloc</a> - memory management functions
* - <a href=group_su_log.html>su_log</a> - generic logging functions
* - <a href=group_su_tag.html>su_tag</a> - tag list function
* - <a href=group_su_md5.html>su_md5</a> - MD5 hashing
*/
/**@defgroup su_programs Shell Programs
*
* The @b su module provides few shell utilities:
* - @ref localinfo (localinfo.c)
* - @ref addrinfo (addrinfo.c)
*/
/**@defgroup su_socket Socket Functions
*
* @brief The <sofia-sip/su.h> contains the portable socket functions.
*
* The <sofia-sip/su.h> contains following functions, macros, and types:
* - su_init(): initializes sockets
* - su_deinit(): deinitializes sockets
* - su_socket(): creates a socket
* - su_close(): closes a socket
* - su_ioctl(): ioctl to a socket
* - su_setreuseaddr(): set/reset reusing the addresses/ports for a socket
* - su_setblocking(): enables/disables blocking
* - su_is_blocking(): checks if the previous call failed because it
* would have blocked
* - su_errno(): the latest socket error
* - su_perror(): prints the latest socket error message to stderr
* - su_strerror(): returns the given socket error message
* - su_perror2(): prints the given socket error message to stderr
* - su_soerror(): returns the error code associated with the socket
* - su_getmsgsize(): return the number of bytes that can be recv()ed from
* a socket
* - su_getlocalip(): return an IP address belonging to the local host
* - su_send(), su_sendto(): type-compatible send()
* - su_recv(), su_recvfrom(): type-compatible recv()
* - su_vsend(): scatter-gather send
* - su_vrecv(): scatter-gather receive
* - #su_iovec_t: structure holding scatter-gather IO vector
*/
/**@defgroup su_htable Hash tables
*
* Hash tables.
*
* The hash table interface and implementation is defined in
* <sofia-sip/htable.h>. Example code and tests for the implementation is in
* test_htable.c.
*/