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Very rough first start, not even everything added

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Darren VanBuren 2017-03-07 14:51:44 -08:00
commit af3619d4fa
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StreamingProxy.tproj/shared_udp.h Normal file
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/*
*
* @APPLE_LICENSE_HEADER_START@
*
* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*
*/
/*
File: shared_udp.h
Contains: udp sockets implementation with shared ports
*/
#ifndef __SHARED_UDP_H__
#define __SHARED_UDP_H__
#define MAX_SOCKET_NAME 32
/**********************************************/
typedef int (*do_routine)(void * refCon, char *buf, int bufSize);
typedef struct ipList {
struct ipList *next;
int ip;
do_routine what_to_do;
void *what_to_do_it_with;
} ipList;
typedef struct shok {
struct shok *next;
int socket;
int port;
ipList *ips;
struct shok *sib; // sibling - rtcp or rtp
} shok;
typedef struct trans_pb {
int *status; // set to 1 when needs to die
shok *send_from;
int send_to_ip;
int send_to_port;
long long int packetSendCount;
long long int nextDropPacket;
long long int droppedPacketCount;
long long int packetCount;
char socketName[MAX_SOCKET_NAME];
} trans_pb;
/**********************************************/
ipList *find_ip_in_list(ipList *list, int ip);
int add_ip_to_list(ipList **list, int ip);
int remove_ip_from_list(ipList **list, int ip);
shok *find_available_shok(int fromIP, int toIP, int withSib);
int add_ips_to_shok(shok *theShok, int fromIP, int toIP, int withSib);
void set_udp_port_min_and_max(int min, int max);
int remove_shok(shok *theShok, int withSib);
void remove_shok_ref(shok *theShok, int fromIP, int toIP, int withSib);
shok *make_new_shok(int fromIP, int toIP, int withSib);
int make_udp_port_pair(int fromIP, int toIP, shok **rtpSocket, shok **rtcpSocket);
int upon_receipt_from(shok *theShok, int fromIP, do_routine doThis, void *withThis);
int service_shoks();
int transfer_data(void *refCon, char *buf, int bufSize);
#endif // __SHARED_UDP_H__