From 109ffe9a777658936a38d0c146579a67c60a0d17 Mon Sep 17 00:00:00 2001
From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期四, 11 五月 2017 17:48:48 +0800
Subject: [PATCH]
---
VisitFace/RtspNativeCodec/app/libs/live555/include/groupsock/GroupsockHelper.hh | 146 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 146 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/groupsock/GroupsockHelper.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/groupsock/GroupsockHelper.hh
new file mode 100644
index 0000000..8ca4275
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/groupsock/GroupsockHelper.hh
@@ -0,0 +1,146 @@
+/**********
+This library is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
+
+This library is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
+more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+**********/
+// "mTunnel" multicast access service
+// Copyright (c) 1996-2017 Live Networks, Inc. All rights reserved.
+// Helper routines to implement 'group sockets'
+// C++ header
+
+#ifndef _GROUPSOCK_HELPER_HH
+#define _GROUPSOCK_HELPER_HH
+
+#ifndef _NET_ADDRESS_HH
+#include "NetAddress.hh"
+#endif
+
+int setupDatagramSocket(UsageEnvironment& env, Port port);
+int setupStreamSocket(UsageEnvironment& env,
+ Port port, Boolean makeNonBlocking = True);
+
+int readSocket(UsageEnvironment& env,
+ int socket, unsigned char* buffer, unsigned bufferSize,
+ struct sockaddr_in& fromAddress);
+
+Boolean writeSocket(UsageEnvironment& env,
+ int socket, struct in_addr address, portNumBits portNum/*network byte order*/,
+ u_int8_t ttlArg,
+ unsigned char* buffer, unsigned bufferSize);
+
+Boolean writeSocket(UsageEnvironment& env,
+ int socket, struct in_addr address, portNumBits portNum/*network byte order*/,
+ unsigned char* buffer, unsigned bufferSize);
+ // An optimized version of "writeSocket" that omits the "setsockopt()" call to set the TTL.
+
+void ignoreSigPipeOnSocket(int socketNum);
+
+unsigned getSendBufferSize(UsageEnvironment& env, int socket);
+unsigned getReceiveBufferSize(UsageEnvironment& env, int socket);
+unsigned setSendBufferTo(UsageEnvironment& env,
+ int socket, unsigned requestedSize);
+unsigned setReceiveBufferTo(UsageEnvironment& env,
+ int socket, unsigned requestedSize);
+unsigned increaseSendBufferTo(UsageEnvironment& env,
+ int socket, unsigned requestedSize);
+unsigned increaseReceiveBufferTo(UsageEnvironment& env,
+ int socket, unsigned requestedSize);
+
+Boolean makeSocketNonBlocking(int sock);
+Boolean makeSocketBlocking(int sock, unsigned writeTimeoutInMilliseconds = 0);
+ // A "writeTimeoutInMilliseconds" value of 0 means: Don't timeout
+
+Boolean socketJoinGroup(UsageEnvironment& env, int socket,
+ netAddressBits groupAddress);
+Boolean socketLeaveGroup(UsageEnvironment&, int socket,
+ netAddressBits groupAddress);
+
+// source-specific multicast join/leave
+Boolean socketJoinGroupSSM(UsageEnvironment& env, int socket,
+ netAddressBits groupAddress,
+ netAddressBits sourceFilterAddr);
+Boolean socketLeaveGroupSSM(UsageEnvironment&, int socket,
+ netAddressBits groupAddress,
+ netAddressBits sourceFilterAddr);
+
+Boolean getSourcePort(UsageEnvironment& env, int socket, Port& port);
+
+netAddressBits ourIPAddress(UsageEnvironment& env); // in network order
+
+// IP addresses of our sending and receiving interfaces. (By default, these
+// are INADDR_ANY (i.e., 0), specifying the default interface.)
+extern netAddressBits SendingInterfaceAddr;
+extern netAddressBits ReceivingInterfaceAddr;
+
+// Allocates a randomly-chosen IPv4 SSM (multicast) address:
+netAddressBits chooseRandomIPv4SSMAddress(UsageEnvironment& env);
+
+// Returns a simple "hh:mm:ss" string, for use in debugging output (e.g.)
+char const* timestampString();
+
+
+#ifdef HAVE_SOCKADDR_LEN
+#define SET_SOCKADDR_SIN_LEN(var) var.sin_len = sizeof var
+#else
+#define SET_SOCKADDR_SIN_LEN(var)
+#endif
+
+#define MAKE_SOCKADDR_IN(var,adr,prt) /*adr,prt must be in network order*/\
+ struct sockaddr_in var;\
+ var.sin_family = AF_INET;\
+ var.sin_addr.s_addr = (adr);\
+ var.sin_port = (prt);\
+ SET_SOCKADDR_SIN_LEN(var);
+
+
+// By default, we create sockets with the SO_REUSE_* flag set.
+// If, instead, you want to create sockets without the SO_REUSE_* flags,
+// Then enclose the creation code with:
+// {
+// NoReuse dummy;
+// ...
+// }
+class NoReuse {
+public:
+ NoReuse(UsageEnvironment& env);
+ ~NoReuse();
+
+private:
+ UsageEnvironment& fEnv;
+};
+
+
+// Define the "UsageEnvironment"-specific "groupsockPriv" structure:
+
+struct _groupsockPriv { // There should be only one of these allocated
+ HashTable* socketTable;
+ int reuseFlag;
+};
+_groupsockPriv* groupsockPriv(UsageEnvironment& env); // allocates it if necessary
+void reclaimGroupsockPriv(UsageEnvironment& env);
+
+
+#if (defined(__WIN32__) || defined(_WIN32)) && !defined(__MINGW32__)
+// For Windoze, we need to implement our own gettimeofday()
+extern int gettimeofday(struct timeval*, int*);
+#else
+#include <sys/time.h>
+#endif
+
+// The following are implemented in inet.c:
+extern "C" netAddressBits our_inet_addr(char const*);
+extern "C" void our_srandom(int x);
+extern "C" long our_random();
+extern "C" u_int32_t our_random32(); // because "our_random()" returns a 31-bit number
+
+#endif
--
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