Dekker1/TCP-setup-uppaal
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Changed TCP segment to TCP packet

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This commit is contained in:
Ben Brücker 2014-02-02 14:51:23 +01:00
parent 0d1cd6f24b
commit 48de01053f
1 changed files with 8 additions and 8 deletions
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16
Model/model.xml
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@ -18,9 +18,9 @@ typedef struct {
bool ack;
SEQ seqNr;
SEQ ackNr;
} TCP_segment;
} TCP_packet;
void initialize(TCP_segment& p)
void initialize(TCP_packet& p)
{
p.seqNr := 0;
p.ackNr := 0;
@ -28,9 +28,9 @@ void initialize(TCP_segment& p)
p.ack := false;
}
meta TCP_segment to_network;
meta TCP_segment from_network;</declaration><template><name>Network</name><parameter>const int network</parameter><declaration>int target; // the target for the current network packet
meta TCP_segment transfer;
meta TCP_packet to_network;
meta TCP_packet from_network;</declaration><template><name>Network</name><parameter>const int network</parameter><declaration>int target; // the target for the current network packet
meta TCP_packet transfer;
clock c;
int packets_lost := 0; // Max packets a network can lose.
@ -46,15 +46,15 @@ void receive_packet(){
void send_packet(){
from_network := transfer;
}
</declaration><location id="id0" x="-5312" y="-1536"><committed/></location><location id="id1" x="-5152" y="-1664"><name x="-5160" y="-1696">PacketLost</name><committed/></location><location id="id2" x="-5312" y="-1664"><name x="-5360" y="-1696">PacketInTransit</name></location><location id="id3" x="-5312" y="-1408"><name x="-5360" y="-1384">ReadyToReceive</name></location><init ref="id3"/><transition><source ref="id0"/><target ref="id2"/><label kind="assignment" x="-5296" y="-1560">initialize(from_network)</label><nail x="-5280" y="-1592"/></transition><transition><source ref="id0"/><target ref="id3"/><label kind="synchronisation" x="-5304" y="-1488">Packet[target]!</label></transition><transition><source ref="id2"/><target ref="id0"/><label kind="guard" x="-5384" y="-1624">c &lt;= TTL</label><label kind="assignment" x="-5416" y="-1608">send_packet()</label></transition><transition><source ref="id2"/><target ref="id1"/><label kind="guard" x="-5296" y="-1664">packets_lost &gt; 0</label><label kind="assignment" x="-5288" y="-1648">packets_lost--</label></transition><transition><source ref="id1"/><target ref="id3"/><nail x="-5152" y="-1408"/></transition><transition><source ref="id3"/><target ref="id2"/><label kind="synchronisation" x="-5432" y="-1560">Packet[network]?</label><label kind="assignment" x="-5432" y="-1544">set_target(),
</declaration><location id="id0" x="-5312" y="-1536"><committed/></location><location id="id1" x="-5152" y="-1664"><name x="-5208" y="-1696">PacketLost</name><committed/></location><location id="id2" x="-5312" y="-1664"><name x="-5360" y="-1696">PacketInTransit</name></location><location id="id3" x="-5312" y="-1408"><name x="-5360" y="-1384">ReadyToReceive</name></location><init ref="id3"/><transition><source ref="id0"/><target ref="id2"/><label kind="assignment" x="-5296" y="-1560">initialize(from_network)</label><nail x="-5280" y="-1592"/></transition><transition><source ref="id0"/><target ref="id3"/><label kind="synchronisation" x="-5304" y="-1488">Packet[target]!</label></transition><transition><source ref="id2"/><target ref="id0"/><label kind="guard" x="-5384" y="-1624">c &lt;= TTL</label><label kind="assignment" x="-5416" y="-1608">send_packet()</label></transition><transition><source ref="id2"/><target ref="id1"/><label kind="guard" x="-5296" y="-1664">packets_lost &gt; 0</label><label kind="assignment" x="-5288" y="-1648">packets_lost--</label></transition><transition><source ref="id1"/><target ref="id3"/><nail x="-5152" y="-1408"/></transition><transition><source ref="id3"/><target ref="id2"/><label kind="synchronisation" x="-5432" y="-1560">Packet[network]?</label><label kind="assignment" x="-5432" y="-1544">set_target(),
receive_packet(),
c:=0</label><nail x="-5440" y="-1408"/><nail x="-5440" y="-1664"/></transition></template><template><name>Host</name><parameter>const int local, const int remote, const int network</parameter><declaration>clock c;
SEQ snd_nxt = 0;
SEQ snd_ack = 0;
SEQ rcv_nxt = 0;
const int seg_len = 0;
TCP_segment retrans;
TCP_segment received;
TCP_packet retrans;
TCP_packet received;
bool receive_packet(){
if (from_network.syn) {