135 строки
4.2 KiB
C++
135 строки
4.2 KiB
C++
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/*---------------------------------------------------------------
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* Copyright (c) 1999,2000,2001,2002,2003
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* The Board of Trustees of the University of Illinois
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* All Rights Reserved.
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*---------------------------------------------------------------
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software (Iperf) and associated
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* documentation files (the "Software"), to deal in the Software
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* without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute,
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* sublicense, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and
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* the following disclaimers.
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*
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimers in the documentation and/or other materials
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* provided with the distribution.
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*
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*
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* Neither the names of the University of Illinois, NCSA,
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* nor the names of its contributors may be used to endorse
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* or promote products derived from this Software without
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* specific prior written permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* ________________________________________________________________
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* National Laboratory for Applied Network Research
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* National Center for Supercomputing Applications
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* University of Illinois at Urbana-Champaign
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* http://www.ncsa.uiuc.edu
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* ________________________________________________________________
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*
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* List.cpp
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* by Kevin Gibbs <kgibbs@ncsa.uiuc.edu>
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* -------------------------------------------------------------------
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*/
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#include "List.h"
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#include "Mutex.h"
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#include "SocketAddr.h"
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/*
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* Global List and Mutex variables
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*/
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Iperf_ListEntry *clients = NULL;
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Mutex clients_mutex;
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/*
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* Add Entry add to the List
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*/
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void Iperf_pushback ( Iperf_ListEntry *add, Iperf_ListEntry **root ) {
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add->next = *root;
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*root = add;
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}
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/*
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* Delete Entry del from the List
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*/
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void Iperf_delete ( iperf_sockaddr *del, Iperf_ListEntry **root ) {
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Iperf_ListEntry *temp = Iperf_present( del, *root );
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if ( temp != NULL ) {
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if ( temp == *root ) {
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*root = (*root)->next;
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} else {
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Iperf_ListEntry *itr = *root;
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while ( itr->next != NULL ) {
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if ( itr->next == temp ) {
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itr->next = itr->next->next;
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break;
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}
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itr = itr->next;
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}
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}
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delete temp;
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}
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}
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/*
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* Destroy the List (cleanup function)
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*/
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void Iperf_destroy ( Iperf_ListEntry **root ) {
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Iperf_ListEntry *itr1 = *root, *itr2;
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while ( itr1 != NULL ) {
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itr2 = itr1->next;
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delete itr1;
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itr1 = itr2;
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}
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*root = NULL;
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}
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/*
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* Check if the exact Entry find is present
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*/
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Iperf_ListEntry* Iperf_present ( iperf_sockaddr *find, Iperf_ListEntry *root ) {
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Iperf_ListEntry *itr = root;
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while ( itr != NULL ) {
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if ( SockAddr_are_Equal( (sockaddr*)itr, (sockaddr*)find ) ) {
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return itr;
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}
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itr = itr->next;
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}
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return NULL;
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}
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/*
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* Check if a Entry find is in the List or if any
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* Entry exists that has the same host as the
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* Entry find
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*/
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Iperf_ListEntry* Iperf_hostpresent ( iperf_sockaddr *find, Iperf_ListEntry *root ) {
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Iperf_ListEntry *itr = root;
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while ( itr != NULL ) {
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if ( SockAddr_Hostare_Equal( (sockaddr*)itr, (sockaddr*)find ) ) {
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return itr;
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}
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itr = itr->next;
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}
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return NULL;
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}
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