[apple/network_cmds.git] / ecnprobe / session.h

/*
 Copyright (c) 2000  
 International Computer Science Institute
 All rights reserved.

 This file may contain software code originally developed for the
 Sting project. The Sting software carries the following copyright:

 Copyright (c) 1998, 1999
 Stefan Savage and the University of Washington.
 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 acknowledgment:
      This product includes software developed by ACIRI, the AT&T
      Center for Internet Research at ICSI (the International Computer
      Science Institute). This product may also include software developed
      by Stefan Savage at the University of Washington.  
 4. The names of ACIRI, ICSI, Stefan Savage and University of Washington
    may not be used to endorse or promote products derived from this software
    without specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY ICSI 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 ICSI 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.
*/

#define MAXREQUESTLEN 1000

#define SESSION_DEBUG_LOW	1
#define	SESSION_DEBUG_MEDIUM	2
#define	SESSION_DEBUG_HIGH	3

struct TcpSession {

  /* target name, as specified by the user */
  char targetName[MAXHOSTNAMELEN];
  
  /* DNS name of hosts */
  char targetHostName[MAXHOSTNAMELEN];	
  char sourceHostName[MAXHOSTNAMELEN];

  /* raw socket we use to send on */
  int socket;		
  
  /* connection endpoint identifiers */
  u_int32_t src;
  u_int16_t sport;
  u_int32_t dst;
  u_int16_t dport;

  /* sender info, from RFC 793 */
  u_int32_t iss;     // initial send sequence
  u_int32_t snd_una; // sequence numbers of unacknowledged data
  u_int32_t snd_nxt; // sequence number to be sent next
  u_int16_t snd_wnd; 
  u_int16_t sndmss;

  /* Receiver info */
  u_int32_t irs;
  u_int32_t rcv_wnd;
  u_int32_t rcv_nxt;
  u_int32_t maxseqseen;
  u_int16_t mss;

  /* timing */
  double rtt;
  u_int8_t ttl;
  double start_time;

  /* data buffer */
  u_int8_t *dataRcvd ;
	
  /* basic results */
  int totSent; 
  int totRcvd;
  int totSeenSent;
  int totDataPktsRcvd; 
  int totOutofSeq; 
  int hsz; 
  
  /* basic control*/
  int epochTime; 
  int debug; 
  int verbose; 
  int initSession; 
  int initCapture; 
  int initFirewall; 
  int firewall_rule_number;
  char *filename;
  int maxpkts; 

  /* New loss-rate parameters */
  float loss_rate;
  float prop_delay;

  /* results are suspect for various reasons */
  int rtt_unreliable;
  int ignore_result;

  /* Drops and reordering startistics */
  int num_reordered;
  int num_unwanted_drops;
  int num_rtos;
  int num_reord_ret;
  int num_dup_transmissions;
  int num_dup_acks;
  int num_pkts_0_dup_acks;
  int num_pkts_1_dup_acks;
  int num_pkts_2_dup_acks;
  int num_pkts_3_dup_acks;
  int num_pkts_4_or_more_dup_acks;
  int num_dupack_ret;

  /* For PMTUD test */
  int mtu;

  /* For ByteCounting test */
  int bytecounting_type;
  int ack_bytes;  /* How many bytes covered per ACK */
  int ack_rate;   /* ACK [every | every other | every third |...] packet */

  /* For WindowScale Option test */
  u_int8_t receiving_shift_count;
  u_int8_t sending_shift_count;

  /* For MidBoxTTL test */
  int curr_ttl;

  int dont_send_reset;
};

//void SendSessionPacket(struct IPPacket *packet, 
void SendSessionPacket(struct IPPacket *packet, 
		       u_int16_t ip_len, /* Total size of IP datagram */
		       u_int8_t tcp_flags,
		       u_int16_t ip_optlen, /* IP options len - New */
		       u_int16_t optlen,    /* TCP options len */
		       u_int8_t iptos);

void SendICMPReply(struct IPPacket *p);

void SendPkt(struct IPPacket *p, u_int16_t ip_len, int ip_optlen, int tcp_optlen);

void SendICMPPkt(struct ICMPUnreachableErrorPacket *p, u_int16_t ip_len);

void StorePacket (struct IPPacket *p); 

int EstablishSession(u_int32_t sourceAddress, \
		     u_int16_t sourcePort, \
		     u_int32_t targetAddress,
		     u_int16_t targetPort, \
		     int ip_optlen,\
		     char *ip_opt,\
		     int mss, 
		     int optlen, 
		     char *opt, \
		     int maxwin, 
		     int maxpkts, 
		     u_int8_t iptos, 
		     u_int8_t tcp_flags);

void rcvData (void (*ackData)(struct IPPacket *p)); 

void SendRequest(char *filename, void (*ackData)(struct IPPacket *p));

int  PrepareRequest(char *data, char *filename) ;
Commit	Line	Data
89c4ed63 A	1	/*
	2	Copyright (c) 2000
	3	International Computer Science Institute
	4	All rights reserved.
	5
	6	This file may contain software code originally developed for the
	7	Sting project. The Sting software carries the following copyright:
	8
	9	Copyright (c) 1998, 1999
	10	Stefan Savage and the University of Washington.
	11	All rights reserved.
	12
	13	Redistribution and use in source and binary forms, with or without
	14	modification, are permitted provided that the following conditions
	15	are met:
	16	1. Redistributions of source code must retain the above copyright
	17	notice, this list of conditions and the following disclaimer.
	18	2. Redistributions in binary form must reproduce the above copyright
	19	notice, this list of conditions and the following disclaimer in the
	20	documentation and/or other materials provided with the distribution.
	21	3. All advertising materials mentioning features or use of this software
	22	must display the following acknowledgment:
	23	This product includes software developed by ACIRI, the AT&T
	24	Center for Internet Research at ICSI (the International Computer
	25	Science Institute). This product may also include software developed
	26	by Stefan Savage at the University of Washington.
	27	4. The names of ACIRI, ICSI, Stefan Savage and University of Washington
	28	may not be used to endorse or promote products derived from this software
	29	without specific prior written permission.
	30
	31	THIS SOFTWARE IS PROVIDED BY ICSI AND CONTRIBUTORS ``AS IS'' AND
	32	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	33	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	34	ARE DISCLAIMED. IN NO EVENT SHALL ICSI OR CONTRIBUTORS BE LIABLE
	35	FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	36	DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	37	OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	38	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	39	LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	40	OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	41	SUCH DAMAGE.
	42	*/
	43
	44	#define MAXREQUESTLEN 1000
	45
	46	#define SESSION_DEBUG_LOW 1
	47	#define SESSION_DEBUG_MEDIUM 2
	48	#define SESSION_DEBUG_HIGH 3
	49
	50	struct TcpSession {
	51
	52	/* target name, as specified by the user */
	53	char targetName[MAXHOSTNAMELEN];
	54
	55	/* DNS name of hosts */
	56	char targetHostName[MAXHOSTNAMELEN];
	57	char sourceHostName[MAXHOSTNAMELEN];
	58
	59	/* raw socket we use to send on */
	60	int socket;
	61
	62	/* connection endpoint identifiers */
	63	u_int32_t src;
	64	u_int16_t sport;
65	u_int32_t dst;
66	u_int16_t dport;
67
68	/* sender info, from RFC 793 */
69	u_int32_t iss; // initial send sequence
70	u_int32_t snd_una; // sequence numbers of unacknowledged data
71	u_int32_t snd_nxt; // sequence number to be sent next
72	u_int16_t snd_wnd;
73	u_int16_t sndmss;
74
75	/* Receiver info */
76	u_int32_t irs;
77	u_int32_t rcv_wnd;
78	u_int32_t rcv_nxt;
79	u_int32_t maxseqseen;
80	u_int16_t mss;
81
82	/* timing */
83	double rtt;
84	u_int8_t ttl;
85	double start_time;
86
87	/* data buffer */
88	u_int8_t *dataRcvd ;
89
90	/* basic results */
91	int totSent;
92	int totRcvd;
93	int totSeenSent;
94	int totDataPktsRcvd;
95	int totOutofSeq;
96	int hsz;
97
98	/* basic control*/
99	int epochTime;
100	int debug;
101	int verbose;
102	int initSession;
103	int initCapture;
104	int initFirewall;
105	int firewall_rule_number;
106	char *filename;
107	int maxpkts;
108
109	/* New loss-rate parameters */
110	float loss_rate;
111	float prop_delay;
112
113	/* results are suspect for various reasons */
114	int rtt_unreliable;
115	int ignore_result;
116
117	/* Drops and reordering startistics */
118	int num_reordered;
119	int num_unwanted_drops;
120	int num_rtos;
121	int num_reord_ret;
122	int num_dup_transmissions;
123	int num_dup_acks;
124	int num_pkts_0_dup_acks;
125	int num_pkts_1_dup_acks;
126	int num_pkts_2_dup_acks;
127	int num_pkts_3_dup_acks;
128	int num_pkts_4_or_more_dup_acks;
129	int num_dupack_ret;
130
131	/* For PMTUD test */
132	int mtu;
133
134	/* For ByteCounting test */
135	int bytecounting_type;
136	int ack_bytes; /* How many bytes covered per ACK */
137	int ack_rate; /* ACK [every \| every other \| every third \|...] packet */
138
139	/* For WindowScale Option test */
140	u_int8_t receiving_shift_count;
141	u_int8_t sending_shift_count;
142
143	/* For MidBoxTTL test */
144	int curr_ttl;
145
755a8d69	146	int dont_send_reset;
89c4ed63 A	147	};
	148
	149	//void SendSessionPacket(struct IPPacket *packet,
	150	void SendSessionPacket(struct IPPacket *packet,
	151	u_int16_t ip_len, /* Total size of IP datagram */
	152	u_int8_t tcp_flags,
	153	u_int16_t ip_optlen, /* IP options len - New */
	154	u_int16_t optlen, /* TCP options len */
	155	u_int8_t iptos);
	156
	157	void SendICMPReply(struct IPPacket *p);
	158
	159	void SendPkt(struct IPPacket *p, u_int16_t ip_len, int ip_optlen, int tcp_optlen);
	160
	161	void SendICMPPkt(struct ICMPUnreachableErrorPacket *p, u_int16_t ip_len);
	162
	163	void StorePacket (struct IPPacket *p);
	164
	165	int EstablishSession(u_int32_t sourceAddress, \
	166	u_int16_t sourcePort, \
	167	u_int32_t targetAddress,
	168	u_int16_t targetPort, \
	169	int ip_optlen,\
	170	char *ip_opt,\
	171	int mss,
	172	int optlen,
	173	char *opt, \
	174	int maxwin,
	175	int maxpkts,
	176	u_int8_t iptos,
	177	u_int8_t tcp_flags);
	178
	179	void rcvData (void (ackData)(struct IPPacket p));
	180
	181	void SendRequest(char filename, void (ackData)(struct IPPacket *p));
	182
	183	int PrepareRequest(char data, char filename) ;