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Diffstat (limited to 'network_cmds/ecnprobe/session.h')
| -rw-r--r-- | network_cmds/ecnprobe/session.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/network_cmds/ecnprobe/session.h b/network_cmds/ecnprobe/session.h new file mode 100644 index 0000000..bff3296 --- /dev/null +++ b/network_cmds/ecnprobe/session.h @@ -0,0 +1,183 @@ +/* + 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) ; |