aberge/BE_reseau
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Merge branch 'Gwen'

Browse source
This commit is contained in:
Newglear 2022-04-11 09:15:48 +02:00
commit 12632a6626
1 changed files with 162 additions and 136 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

298
src/mictcp.c
View file

@ -3,7 +3,8 @@
#include <mictcp.h>
#include <api/mictcp_core.h>
#define TIMEOUT 10
#define TIMEOUT 100
#define SIZE 1000
/*
* Permet de créer un socket entre l’application et MIC-TCP
@ -13,10 +14,22 @@
mic_tcp_pdu pdu;
int PE,PA = 0;
float lostpdu = 0.0;
float lostrate = 0.0;
float lostrate = 15.0;
float pduemis =0.0;
mic_tcp_pdu ack;
int fenetre[SIZE];
void init (int* tab,int size){
for(int i=0;i<size;i++){
tab[i]=0;
}
}
float rate(int* tab, int size){
int s =0;
for(int i=0; i<size;i++){
s += tab[i];
}
return (float)((s/SIZE)*100);
}
pthread_mutex_t mutex= PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond= PTHREAD_COND_INITIALIZER;
@ -73,33 +86,29 @@ int mic_tcp_connect(int socket, mic_tcp_sock_addr addr)
//Encpsulation SYN
/*
mic_tcp_pdu pdusyn;
mic_tcp_pdu ack;
int sent= -1;
int max = 20;
int count = 0;
int test=0;
//syn.header.dest_port= ;
pdusyn.header.seq_num = PE; // Création du header et setup PA et PE
pdusyn.header.ack_num = PA;
pdusyn.header.syn= 1;
pdusyn.header.ack=0;
pdusyn.header.fin=0;
//int lr = (int)lostrate;
//itoa(lostrate,pdu.payload.data,10); //Encapsulation du payload vide
char jpp[] = "";
memcpy(&(pdu.payload.data),&jpp,sizeof(jpp));
pdusyn.payload.size = 0;
pdusyn.payload.size = 0;
pdu.header.ack = 0;
pdu.header.syn = 0;
printf("Test1\n");
while(pdu.header.syn != 1 && pdu.header.ack !=1){
count = 0;
if(count == max){return(-1);}
if (count != 0)
printf("Paquet message perdu \n");
@ -108,8 +117,8 @@ int mic_tcp_connect(int socket, mic_tcp_sock_addr addr)
printf("Erreur d'envoi du pdu\n");
exit(1);
}
test=(IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
test=(IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
while(count < max && test){
count++;
@ -124,7 +133,15 @@ int mic_tcp_connect(int socket, mic_tcp_sock_addr addr)
if(count == max)
exit(-1);
}
ack.header.ack = 1;
printf("Test2\n");
ack.header.ack = 1;
ack.header.ack_num= PA;
ack.header.seq_num=PE;
ack.header.syn=0;
ack.header.fin=0;
ack.payload.data="";
ack.payload.size=0;
if(IP_send(ack,sock.addr)==-1){
printf("Erreur d'envoi du pdu");
@ -137,87 +154,82 @@ int mic_tcp_connect(int socket, mic_tcp_sock_addr addr)
/*
* Permet de réclamer l’envoi d’une donnée applicative
* Retourne la taille des données envoyées, et -1 en cas d'erreur
* Retourne la taille des données envoyées, et -1 en cas d'erreur
*/
int mic_tcp_send (int mic_sock, char* mesg, int mesg_size)
{
int sent= -1;
int max = 20;
int count = 0;
int test;
printf("[MIC-TCP] Appel de la fonction: "); printf(__FUNCTION__); printf("\n");
pdu.header.syn = 0;
pdu.header.ack = 0;
pdu.header.fin = 0;
pdu.header.seq_num= PE;
pdu.payload.data = mesg;
pdu.payload.size=mesg_size;
int sent= -1;
mic_tcp_pdu mem = pdu;
//printf("%d\n",pdu.header.seq_num);
if((sent=IP_send(pdu,sock.addr))==-1){
printf("Erreur d'envoi du pdu");
exit(1);
}
PE = (PE +1) %2;
pduemis++;
test = (IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
if(sock.state==CONNECTED){
int max = 20;
int count = 0;
int test;
pdu.header.syn = 0;
pdu.header.ack = 0;
pdu.header.fin = 0;
pdu.header.seq_num= PE;
pdu.payload.data = mesg;
pdu.payload.size=mesg_size;
if(pdu.header.ack ==1 ){
if(IP_send(ack,sock.addr)==-1){
mic_tcp_pdu mem = pdu;
printf("%d\n",pdu.header.seq_num);
if((sent=IP_send(pdu,sock.addr))==-1){
printf("Erreur d'envoi du pdu");
exit(1);
}
}
if (test){
lostpdu++;
printf("Lost Pdu : %f\n",lostpdu);
}
printf("Lost rate= %f \n",(lostpdu/pduemis)*100.0);
if((lostpdu/pduemis)*100.0 >= lostrate && test){
while(count < max && test){
count++;
printf("Count: %d \n", count);
if((sent=IP_send(pdu,sock.addr))==-1){
printf("Erreur d'envoi du pdu");
exit(-1);
}
test=(IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
PE = (PE +1) %2;
pduemis++;
test = (IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
if (test){
lostpdu++;
printf("Lost Pdu : %f\n",lostpdu);
}
if(count == max)
exit(-1);
count = 0;
while(pdu.header.ack_num!=PE){
count++;
if(count == max){exit(-1);}
printf("Paquet message perdu \n");
if((sent=IP_send(pdu,sock.addr))==-1){
printf("Erreur d'envoi du pdu");
exit(1);
}
test=(IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
printf("Lost rate= %f \n",(lostpdu/pduemis)*100.0);
if((lostpdu/pduemis)*100.0 >= lostrate && test){
while(count < max && test){
count++;
printf("Count: %d \n", count);
if((sent=IP_send(pdu,sock.addr))==-1){
printf("Erreur d'envoi du pdu");
exit(-1);
}
test=(IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
}
if(count == max)
exit(-1);
count = 0;
while(pdu.header.ack_num!=PE){
count++;
if(count == max){exit(-1);}
if(IP_send(mem,sock.addr)==-1){
printf("Paquet message perdu \n");
if((sent=IP_send(pdu,sock.addr))==-1){
printf("Erreur d'envoi du pdu");
exit(1);
}
test=(IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
}
printf("Count : %d\n",count);
if(count == max)
exit(-1);
}
test=(IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
while(count < max && test){
count++;
if(count == max){exit(-1);}
if(IP_send(mem,sock.addr)==-1){
printf("Erreur d'envoi du pdu");
exit(1);
}
test=(IP_recv(&pdu,&sock.addr,TIMEOUT) ==-1);
}
printf("Count : %d\n",count);
if(count == max)
exit(-1);
}
}
}
return sent;
}
@ -258,78 +270,92 @@ int mic_tcp_close (int socket)
void process_received_PDU(mic_tcp_pdu pdu, mic_tcp_sock_addr addr)
{
printf("[MIC-TCP] Appel de la fonction: "); printf(__FUNCTION__); printf("\n");
printf("Paquet recu \n");
printf("ACK NUM %d\n",pdu.header.seq_num);
mic_tcp_pdu ack;
if(pdu.header.seq_num == PA){
app_buffer_put(pdu.payload);
PA = (PA+1) %2;
}else{
printf("Paquet Ack perdu\n");
}
ack.header.ack=1;
ack.header.ack_num=PA;
ack.payload.data ="";
ack.payload.size=0;
if (sock.state == CONNECTED){
printf("Paquet recu \n");
printf("ACK NUM %d\n",pdu.header.ack);
mic_tcp_pdu ack;
if(pdu.header.seq_num == PA){
app_buffer_put(pdu.payload);
PA = (PA+1) %2;
}else{
printf("Paquet Ack perdu\n");
}
printf("avant send\n");
ack.header.ack=1;
ack.header.ack_num=PA;
ack.payload.data="";
ack.payload.size=0;
if (IP_send(ack,addr)==-1)
{
printf("Erreur d'envoi du pdu");
exit(1);
}
printf("Ack envoyé \n");
}else{
printf("Paquet Ack perdu\n");
}
ack.header.ack=1;
ack.header.ack_num=PA;
ack.payload.data ="";
ack.payload.size=0;
if (IP_send(ack,addr)==-1)
{
printf("Erreur d'envoi du pdu");
exit(1);
}
//printf("Ack envoyé \n");
/*
printf("Je me connecte\n");
int test=0;
int sent= -1;
int max = 20;
int count = 0;
mic_tcp_pdu paqu;
while(paqu.header.syn != 1){
test=(IP_recv(&paqu,&sock.addr,TIMEOUT) ==-1);
if(test){}
//printf("En attente\n");
}
mic_tcp_pdu sack;
sack.header.seq_num = PE; // Création du header et setup PA et PE
sack.header.ack_num = PA;
sack.header.syn= 1;
sack.header.ack=1;
sack.header.fin=0;
sack.payload.data = pdu.payload.data;
sack.payload.size = sizeof(pdu.payload.data);
printf("Ack envoyé \n");
printf("Je me connecte\n");
int test=0;
int sent= -1;
int max = 20;
int count = 0;
mic_tcp_pdu paqu;
while(paqu.header.syn != 1){
test=(IP_recv(&paqu,&sock.addr,TIMEOUT) ==-1);
if(test){}
//printf("En attente\n");
}
mic_tcp_pdu sack;
sack.header.seq_num = PE; // Création du header et setup PA et PE
sack.header.ack_num = PA;
sack.header.syn= 1;
sack.header.ack=1;
sack.header.fin=0;
sack.payload.data = pdu.payload.data;
sack.payload.size = sizeof(pdu.payload.data);
while(paqu.header.ack != 1){
if(count == max){exit(-1);}
while(paqu.header.ack != 1){
if(count == max){exit(-1);}
count++;
if (count == 0)
printf("Paquet message perdu \n");
if((sent=IP_send(sack,sock.addr))==-1){
printf("Erreur d'envoi du pdu");
exit(1);
}
test=(IP_recv(&paqu,&sock.addr,TIMEOUT) ==-1);
while(count < max && test){
count++;
if (count == 0)
printf("Paquet message perdu \n");
if((sent=IP_send(sack,sock.addr))==-1){
if(count == max){exit(-1);}
if(IP_send(sack,sock.addr)==-1){
printf("Erreur d'envoi du pdu");
exit(1);
}
test=(IP_recv(&paqu,&sock.addr,TIMEOUT) ==-1);
while(count < max && test){
count++;
if(count == max){exit(-1);}
if(IP_send(sack,sock.addr)==-1){
printf("Erreur d'envoi du pdu");
exit(1);
}
test=(IP_recv(&paqu,&sock.addr,TIMEOUT) ==-1);
}
printf("Count : %d\n",count);
if(count == max)
exit(-1);
test=(IP_recv(&paqu,&sock.addr,TIMEOUT) ==-1);
}
printf("Connected\n");
pthread_cond_broadcast(&cond);
sock.state = CONNECTED;*/
printf("Count : %d\n",count);
if(count == max)
exit(-1);
}
printf("Connected\n");
pthread_cond_broadcast(&cond);
sock.state = CONNECTED;