wsn.rar_NS2 WSN_ns2_ns2 wsn tcl_sensor tcl_wsn ns2

/* -*- 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: /usr/src/mash/repository/vint/ns-2/packet.h,v 1.59 1999/03/13 03:52:59 haoboy 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 "list.h" #include "packet-stamp.h" #define RT_PORT 255 /* port that all route msgs are sent to */ #define HDR_CMN(p) ((struct hdr_cmn*)(p)->access(hdr_cmn::offset_)) #define HDR_ARP(p) ((struct hdr_arp*)(p)->access(off_arp_)) #define HDR_MAC(p) ((struct hdr_mac*)(p)->access(hdr_mac::offset_)) #define HDR_MAC802_11(p) ((struct hdr_mac802_11*)(p)->access(hdr_mac::offset_)) #define HDR_LL(p) ((struct hdr_ll*)(p)->access(hdr_ll::offset_)) #define HDR_IP(p) ((struct hdr_ip*)(p)->access(hdr_ip::offset_)) #define HDR_RTP(p) ((struct hdr_rtp*)(p)->access(hdr_rtp::offset_)) #define HDR_TCP(p) ((struct hdr_tcp*)(p)->access(hdr_tcp::offset_)) #define HDR_RCA(p) ((struct hdr_rca*)(p)->access(hdr_rca::offset_)) 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, // RAP packets PT_RAP_DATA, PT_RAP_ACK, #ifdef SPIN // insert new packet types here PT_RCA, #endif 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_RAP_DATA] = "rap_data"; name_[PT_RAP_ACK] = "rap_ack"; #ifdef SPIN name_[PT_RCA] = "rca"; #endif 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 \ ); } private: static char* name_[PT_NTYPE+1]; }; extern p_info packet_info; /* map PT_* to string name */ //extern char* p_info::name_[]; #define OFFSET(type, field) ((int) &((type *)0)->field) //Monarch ext typedef void (*FailureCallback)(Packet *,void *); // class Packet : public Event { private: unsigned char* bits_; // header bits unsigned char* data_; // variable size buffer for 'data' unsigned int datalen_; // length of variable size buffer //void init(); // initialize pkts getting freed. bool fflag_; protected: static Packet* free_; // packet free list public: Packet* next_; // for queues and the free list static int hdrlen_; Packet() : bits_(0), datalen_(0), next_(0) { } unsigned char* const bits() { return (bits_); } Packet* copy() const; static Packet* alloc(); static Packet* alloc(int); inline void allocdata(int); static void free(Packet*); inline unsigned char* access(int off) const { if (off < 0) abort(); return (&bits_[off]); } inline unsigned char* accessdata() const { return data_; } inline int datalen() const { return datalen_; } //Monarch extn // the pkt stamp carries all info about how/where the pkt // was sent needed for a receiver to determine if it correctly // receives the pkt PacketStamp txinfo_; //monarch extns end; #ifdef SPIN static void PrintRcHeader(Packet *p, char *layer); #endif }; /* * static constant associations between interface special (negative) * values and their c-string representations that are used from tcl */ class iface_literal { public: enum iface_constant { UNKN_IFACE= -1, /* iface value for locally originated packets */ ANY_IFACE= -2 /* hashnode with iif == ANY_IFACE_ * matches any pkt iface (imported from TCL); * this value should be different from hdr_cmn::UNKN_IFACE * from packet.h */ }; iface_literal(const iface_constant i, const char * const n) : value_(i), name_(n) {} inline int value() const { return value_; } inline const char * const name() const { return name_; } private: const iface_constant value_; const char * const name_; /* strings used in TCL to access those special values */ }; static const iface_literal UNKN_IFACE(iface_literal::UNKN_IFACE, "?"); static const iface_literal ANY_IFACE(iface_literal::ANY_IFACE, "*"); struct hdr_cmn { packet_t ptype_; // packet type (see above) int size_; // simulated packet size int uid_; // unique id int error_; // error flag double ts_; // timestamp: for q-delay me