GPSR_KeLiu

/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */ /* * Copyright (c) 1997 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the Computer Systems * Engineering Group at Lawrence Berkeley Laboratory. * 4. Neither the name of the University nor of the Laboratory may be used * to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#) $Header: /home/cvs/repository/kliu/ns2/gpsr/packet.h,v 1.1 2005/11/27 07:12:03 kliu Exp $ (LBL) */ #ifndef ns_packet_h #define ns_packet_h #include <string.h> #include <assert.h> #include "config.h" #include "scheduler.h" #include "object.h" #include "lib/bsd-list.h" #include "packet-stamp.h" #include "ns-process.h" // Used by wireless routing code to attach routing agent #define RT_PORT 255 /* port that all route msgs are sent to */ #define HDR_CMN(p) (hdr_cmn::access(p)) #define HDR_ARP(p) (hdr_arp::access(p)) #define HDR_MAC(p) (hdr_mac::access(p)) #define HDR_MAC802_11(p) ((hdr_mac802_11 *)hdr_mac::access(p)) #define HDR_MAC_TDMA(p) ((hdr_mac_tdma *)hdr_mac::access(p)) #define HDR_SMAC(p) ((hdr_smac *)hdr_mac::access(p)) #define HDR_LL(p) (hdr_ll::access(p)) #define HDR_IP(p) (hdr_ip::access(p)) #define HDR_RTP(p) (hdr_rtp::access(p)) #define HDR_TCP(p) (hdr_tcp::access(p)) #define HDR_SCTP(p) (hdr_sctp::access(p)) #define HDR_SR(p) (hdr_sr::access(p)) #define HDR_TFRC(p) (hdr_tfrc::access(p)) #define HDR_TORA(p) (hdr_tora::access(p)) #define HDR_IMEP(p) (hdr_imep::access(p)) #define HDR_CDIFF(p) (hdr_cdiff::access(p)) /* chalermak's diffusion*/ //#define HDR_DIFF(p) (hdr_diff::access(p)) /* SCADD's diffusion ported into ns */ #define HDR_LMS(p) (hdr_lms::access(p)) /* --------------------------------------------------------------------*/ enum packet_t { PT_TCP, PT_UDP, PT_CBR, PT_AUDIO, PT_VIDEO, PT_ACK, PT_START, PT_STOP, PT_PRUNE, PT_GRAFT, PT_GRAFTACK, PT_JOIN, PT_ASSERT, PT_MESSAGE, PT_RTCP, PT_RTP, PT_RTPROTO_DV, PT_CtrMcast_Encap, PT_CtrMcast_Decap, PT_SRM, /* simple signalling messages */ PT_REQUEST, PT_ACCEPT, PT_CONFIRM, PT_TEARDOWN, PT_LIVE, // packet from live network PT_REJECT, PT_TELNET, // not needed: telnet use TCP PT_FTP, PT_PARETO, PT_EXP, PT_INVAL, PT_HTTP, /* new encapsulator */ PT_ENCAPSULATED, PT_MFTP, /* CMU/Monarch's extnsions */ PT_ARP, PT_MAC, PT_TORA, PT_DSR, PT_AODV, PT_IMEP, // RAP packets PT_RAP_DATA, PT_RAP_ACK, PT_TFRC, PT_TFRC_ACK, PT_PING, // Diffusion packets - Chalermek PT_DIFF, // LinkState routing update packets PT_RTPROTO_LS, // MPLS LDP header PT_LDP, // GAF packet PT_GAF, // ReadAudio traffic PT_REALAUDIO, // Pushback Messages PT_PUSHBACK, #ifdef HAVE_STL // Pragmatic General Multicast PT_PGM, #endif //STL // LMS packets PT_LMS, PT_LMS_SETUP, PT_SCTP, PT_SCTP_APP1, // SMAC packet PT_SMAC, // GPSR packet PT_GPSR, // insert new packet types here PT_NTYPE // This MUST be the LAST one }; class p_info { public: p_info() { name_[PT_TCP]= "tcp"; name_[PT_UDP]= "udp"; name_[PT_CBR]= "cbr"; name_[PT_AUDIO]= "audio"; name_[PT_VIDEO]= "video"; name_[PT_ACK]= "ack"; name_[PT_START]= "start"; name_[PT_STOP]= "stop"; name_[PT_PRUNE]= "prune"; name_[PT_GRAFT]= "graft"; name_[PT_GRAFTACK]= "graftAck"; name_[PT_JOIN]= "join"; name_[PT_ASSERT]= "assert"; name_[PT_MESSAGE]= "message"; name_[PT_RTCP]= "rtcp"; name_[PT_RTP]= "rtp"; name_[PT_RTPROTO_DV]= "rtProtoDV"; name_[PT_CtrMcast_Encap]= "CtrMcast_Encap"; name_[PT_CtrMcast_Decap]= "CtrMcast_Decap"; name_[PT_SRM]= "SRM"; name_[PT_REQUEST]= "sa_req"; name_[PT_ACCEPT]= "sa_accept"; name_[PT_CONFIRM]= "sa_conf"; name_[PT_TEARDOWN]= "sa_teardown"; name_[PT_LIVE]= "live"; name_[PT_REJECT]= "sa_reject"; name_[PT_TELNET]= "telnet"; name_[PT_FTP]= "ftp"; name_[PT_PARETO]= "pareto"; name_[PT_EXP]= "exp"; name_[PT_INVAL]= "httpInval"; name_[PT_HTTP]= "http"; name_[PT_ENCAPSULATED]= "encap"; name_[PT_MFTP]= "mftp"; name_[PT_ARP]= "ARP"; name_[PT_MAC]= "MAC"; name_[PT_TORA]= "TORA"; name_[PT_DSR]= "DSR"; name_[PT_AODV]= "AODV"; name_[PT_IMEP]= "IMEP"; name_[PT_RAP_DATA] = "rap_data"; name_[PT_RAP_ACK] = "rap_ack"; name_[PT_TFRC]= "tcpFriend"; name_[PT_TFRC_ACK]= "tcpFriendCtl"; name_[PT_PING]="ping"; /* For diffusion : Chalermek */ name_[PT_DIFF] = "diffusion"; // Link state routing updates name_[PT_RTPROTO_LS] = "rtProtoLS"; // MPLS LDP packets name_[PT_LDP] = "LDP"; // for GAF name_[PT_GAF] = "gaf"; // RealAudio packets name_[PT_REALAUDIO] = "ra"; //pushback name_[PT_PUSHBACK] = "pushback"; #ifdef HAVE_STL // for PGM name_[PT_PGM] = "PGM"; #endif //STL // LMS entries name_[PT_LMS]="LMS"; name_[PT_LMS_SETUP]="LMS_SETUP"; name_[PT_SCTP]= "sctp"; name_[PT_SCTP_APP1] = "sctp_app1"; // smac name_[PT_SMAC]="smac"; // GPSR name_[PT_GPSR]="gpsr"; name_[PT_NTYPE]= "undefined"; } const char* name(packet_t p) const { if ( p <= PT_NTYPE ) return name_[p]; return 0; } static bool data_packet(packet_t type) { return ( (type) == PT_TCP || \ (type) == PT_TELNET || \ (type) == PT_CBR || \ (type) == PT_AUDIO || \ (type) == PT_VIDEO || \ (type) == PT_ACK || \ (type) == PT_SCTP || \ (type) == PT_SCTP_APP1 \ ); } private: static char* name_[PT_NTYPE+1]; }; extern p_info packet_info; /* map PT_* to string name */ //extern char* p_info::name_[]; #define DATA_PACKET(type) ( (type) == PT_TCP || \ (type) == PT_TELNET || \ (type) == PT_CBR || \ (type) == PT_AUDIO || \ (type) == PT_VIDEO || \ (type) == PT_ACK || \ (type) == PT_SCTP || \ (type) == PT_SCTP_APP1 \ ) #define OFFSET(type, field) ((int) &((type *)0)->field) class PacketData : public AppData { public: PacketData(int sz) : AppData(PACKET_DATA) { datalen_ = sz; if (datalen_ > 0) data_ = new unsigned char[datalen_]; else data_ = NULL; } PacketData(PacketData& d) : AppData(d) { datalen_ = d.datalen_; if (datalen_ > 0) { data_ = new unsigned char[datalen_]; memcpy(data_, d.data_, datalen_); } else data_ = NULL; } virtual ~Packe