nbillard/tsock_Abderrahman_Nathan
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tsock_v2.c

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nbillard 2023-02-07 14:47:57 +01:00
parent 116d155d0a
commit 952727251a
1 changed files with 55 additions and 30 deletions
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85
tsock_test_Nathan.c
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@ -62,16 +62,6 @@ void sendudp(int sock, char* message, int msg_len, void* addr, unsigned int addr
}
void recvtcp(int sock) {
char buffer[TCP_BUFFER_LEN];
size_t nb_octed_read = read(sock, buffer, TCP_BUFFER_LEN - 1);
if (nb_octed_read < 0) {
perror("Could not read octed-stream: ");
exit(1);
} else {
buffer[nb_octed_read] = '\0';
printf("message recieved: %s\n", buffer);
}
}
void afficher_message(char* message, int lg) {
@ -173,18 +163,11 @@ int main (int argc, char **argv)
}
}
/* protocole = 0 (udp) 1(tcp) */
if (!protocole) /* if (tcp activated) */ {
printf("TCP not implemented\n");
return 0;
if (protocole) /* udp */ {
sock = socket(AF_INET, SOCK_DGRAM, 0);
} else {
printf("using udp\n");
sock = socket(AF_INET, SOCK_STREAM, 0);
}
/* if (protocole) /\* udp *\/ { */
sock = socket(AF_INET, SOCK_DGRAM, 0);
/* } else { */
/* sock = socket(AF_INET, SOCK_STREAM, 0); */
/* } */
if (sock < 0) {
perror("Error creating socket:");
exit(1);
@ -209,7 +192,6 @@ int main (int argc, char **argv)
memset(&addr_distant, 0, sizeof(addr_local));
addr_distant.sin_family = AF_INET;
addr_distant.sin_port = DEFAULTPORT;
printf("%s\n", hostname);
hp = gethostbyname(hostname);
if (hp == NULL) {
printf("hosname not found\n");
@ -220,14 +202,37 @@ int main (int argc, char **argv)
memcpy(&addr_distant.sin_addr.s_addr, hp->h_addr, hp->h_length);
} else /* tcp activated */{
if (source) {
memset(&addr_distant, 0, sizeof(addr_local));
addr_distant.sin_family = AF_INET;
addr_distant.sin_port = DEFAULTPORT;
hp = gethostbyname(hostname);
if (hp == NULL) {
printf("hosname not found\n");
/* herror("Error: "); */
exit(1);
}
printf("hostname found\n");
if (listen(sock, NB_CLIENTS) < 0) {
perror("Server could not listen: ");
exit(1);
}
if (accept(sock, (struct sockaddr*) &addr_distant, &addr_distant_len) < 0) {
perror("Server could not accept connection: ");
exit(1);
memcpy(&addr_distant.sin_addr.s_addr, hp->h_addr, hp->h_length);
if (connect(sock,(struct sockaddr*)&addr_distant, sizeof(addr_distant)) == -1) {
printf("echec de la connexion\n");
exit(1);
}
} else {
if (listen(sock, NB_CLIENTS) < 0) {
perror("Server could not listen: ");
exit(1);
} else {
printf("listening\n");
}
if (accept(sock, (struct sockaddr*) &addr_distant, &addr_distant_len) < 0) {
perror("Server could not accept connection: ");
exit(1);
} else {
printf("accepting request\n");
}
}
}
@ -236,9 +241,29 @@ int main (int argc, char **argv)
message = malloc((MSG_LENGTH + 1) * sizeof(char));
if (protocole) /* tcp activated */ {
if (source) {
;
printf("nb de tampons a envoyer : %d\n", nb_message);
for(int i=0;i<nb_message;i++) {
construire_message(message, (char)((i%26)+97), MSG_LENGTH);
printf("sending message: \n");
afficher_message(message, MSG_LENGTH);
send(sock, message, MSG_LENGTH, 0);
}
if (close(sock)==-1) {
perror("echec de destruction du socket: \n");
}
} else /*puit */ {
recvtcp(sock);
char buffer[TCP_BUFFER_LEN];
size_t nb_octed_read = read(sock, buffer, TCP_BUFFER_LEN - 1);
if (nb_octed_read < 0) {
perror("Could not read octed-stream: ");
exit(1);
} else {
buffer[nb_octed_read] = '\0';
printf("message recieved: %s\n", buffer);
}
}
} else /* udp activated */ {
if (source) {