int main() {
int fd;
if(( fd = open(FILE_NAME, O_WRONLY | O_CREAT | O_TRUNC)) == -1 )
{
perror("Failed to open input file");
return 1;
}
close(fd);
int i=1;
int childpid;
printf("%s\n", "enes" );
for(i=1; i < 259; i++)
{
if ((childpid = fork()) == 0 && (i < 255) )
{
char des[LAN_IP_SIZE];
snprintf(des, LAN_IP_SIZE, "%s%d",LAN_IP,i);
const char *destination = des;
discover(destination, PORT0);
break;
}
else if(childpid == -1)
{
perror("FORK NOT OPERATED");
exit(1);
}
if((childpid == 0) && (i == 255) )
listenRequest();
else if((childpid == 0) && (i == 256))
listenResponce();
else if((childpid == 0) && (i == 257))
listenMessage();
else if((childpid == 0) && (i == 258))
responceMessage();
}
while(childpid = wait(NULL) )
if ((childpid == -1) && (errno != EINTR))
break;
return 0;
}
void clientReciveMails(Message* msg, int id){
sendData(msg->referer, fillMessageData("mail", "continue", ""), sizeof(Message));
mail* info = (mail*)listenMessage(msg->referer, sizeof(mail));
if(info != NULL){
pthread_mutex_lock(&mut);
if(findUserByUsername(info->to) != NULL){
pushMail(info);
sendData(msg->referer, fillMessageData("mail", "success", "Mail Sent Correctly\n"), sizeof(Message));
pthread_cond_signal(&newMail);
}else{
sendData(msg->referer, fillMessageData("mail", "error", "Wrong Username\n"), sizeof(Message));
}
pthread_mutex_unlock(&mut);
}
}
void recieveEmails(int num){
int i, error;
mail* msg;
for(i=0; i<num; i++){
msg = listenMessage(0, sizeof(mail));
if(msg != NULL){
printf("%d: From: %s, Subject: %s Time: %s", i+1, msg->from, msg->header, ctime(&(msg->senttime)));
printf("Message:%s\n", msg->body);
if(msg->attachments[0] != '0'){
printf("Attachment: %s\n", msg->attachments);
}
}
}
free(msg);
}
static void *
clientConn(void* info){
Message* msg;
int pid = ((Message*)info)->referer;
int id = getClientNum();
addClientNode(pid, id);
sendData(pid, fillMessageData("client", "success", ""), sizeof(Message));
while(1){
printf("Waiting for new Message\n");
Message* data = (Message*)listenMessage(pid, sizeof(Message));
if(data != NULL){
if(strcmp(data->resource, "mail") == 0){
if(strcmp(data->method, "send") == 0){
clientReciveMails(data, id);
}else if(strcmp(data->method, "receive") == 0){
clientSendEmails(data, id);
}
}else if(strcmp(data->resource, "client") == 0){
if(strcmp(data->method, "close") == 0){
printf("%d\n", pid);
closeConnection(pid);
break;
}
}else{
pushWait(id,data);
while((msg = grabMessage(pid)) != NULL){
sendData(pid, msg, sizeof(Message));
}
}
}
}
printf("Salio \n");
return NULL;
}
void getResponce(int pid){
Message* msg = listenMessage(pid, sizeof(Message));
if(msg != NULL){
dispatchEvent(msg);
}
}
