85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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/*
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File: shared_udp.h
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Contains: udp sockets implementation with shared ports
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*/
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#ifndef __SHARED_UDP_H__
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#define __SHARED_UDP_H__
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#define MAX_SOCKET_NAME 32
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/**********************************************/
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typedef int (*do_routine)(void * refCon, char *buf, int bufSize);
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typedef struct ipList {
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struct ipList *next;
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int ip;
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do_routine what_to_do;
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void *what_to_do_it_with;
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} ipList;
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typedef struct shok {
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struct shok *next;
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int socket;
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int port;
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ipList *ips;
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struct shok *sib; // sibling - rtcp or rtp
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} shok;
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typedef struct trans_pb {
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int *status; // set to 1 when needs to die
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shok *send_from;
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int send_to_ip;
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int send_to_port;
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long long int packetSendCount;
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long long int nextDropPacket;
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long long int droppedPacketCount;
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long long int packetCount;
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char socketName[MAX_SOCKET_NAME];
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} trans_pb;
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/**********************************************/
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ipList *find_ip_in_list(ipList *list, int ip);
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int add_ip_to_list(ipList **list, int ip);
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int remove_ip_from_list(ipList **list, int ip);
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shok *find_available_shok(int fromIP, int toIP, int withSib);
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int add_ips_to_shok(shok *theShok, int fromIP, int toIP, int withSib);
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void set_udp_port_min_and_max(int min, int max);
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int remove_shok(shok *theShok, int withSib);
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void remove_shok_ref(shok *theShok, int fromIP, int toIP, int withSib);
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shok *make_new_shok(int fromIP, int toIP, int withSib);
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int make_udp_port_pair(int fromIP, int toIP, shok **rtpSocket, shok **rtcpSocket);
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int upon_receipt_from(shok *theShok, int fromIP, do_routine doThis, void *withThis);
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int service_shoks();
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int transfer_data(void *refCon, char *buf, int bufSize);
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#endif // __SHARED_UDP_H__
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