/* send control file */
void
sendctrl(int printerfd)
{
char cntrlstrbuf[256];
int strlength, cntrlen;
sprintf(cntrlstrbuf, "H%s\nP%s\n%cdfA%3.3d%s\n", hostname, username, filetype, seqno, hostname);
cntrlen = strlen(cntrlstrbuf);
sprintf(strbuf, "%c%d cfA%3.3d%s\n", '\2', cntrlen, seqno, hostname);
strlength = strlen(strbuf);
if (write(printerfd, strbuf, strlength) != strlength) {
fprintf(stderr, "write(printer) error\n");
exit(1);
}
getack(printerfd, 3);
if (write(printerfd, cntrlstrbuf, cntrlen) != cntrlen) {
fprintf(stderr, "write(printer) error\n");
exit(1);
}
if (write(printerfd, "\0", 1) != 1) {
fprintf(stderr, "write(printer) error\n");
exit(1);
}
getack(printerfd, 4);
}
int main(int argc, char* argv[])
{
process_arg(argc,argv);
tcpudp_fd=open_socket();
assert(tcpudp_fd>0);
if(server)
server_accept(NULL);
tun_fd=tun_alloc(tun_name,IFF_TAP);
assert(tun_fd>0);
get_macaddr();
write_n(tcpudp_fd,tun_mac,6);
getack();
if(pthread_create(&pt_read_from_if,NULL,read_from_if,NULL)!=0){
perror("pthread_create");
exit(-1);
}
if(pthread_create(&pt_read_from_sock,NULL,read_from_sock,NULL)!=0){
perror("pthread_create");
exit(-1);
}
printf("engin started, main() going to sleep\n");
pthread_join(pt_read_from_if,NULL);
pthread_join(pt_read_from_sock,NULL);
return 0;
}
/* send data file */
void
senddata(int inputfd, int printerfd, long size) {
int strlength;
sprintf(strbuf, "%c%ld dfA%3.3d%s\n", '\3', size, seqno, hostname);
strlength = strlen(strbuf);
if (write(printerfd, strbuf, strlength) != strlength) {
fprintf(stderr, "write(printer) error\n");
exit(1);
}
getack(printerfd, 5);
if (!copyfile(inputfd, printerfd, size)) {
fprintf(stderr, "failed to send file to printer\n");
exit(1);
}
if (write(printerfd, "\0", 1) != 1) {
fprintf(stderr, "write(printer) error\n");
exit(1);
}
fprintf(stderr, "%ld bytes sent, status: waiting for end of job\n", size);
getack(printerfd, 6);
}
void
sendjob(int inputfd, int printerfd) {
struct stat statbuf;
int strlength;
if (fstat(inputfd, &statbuf) < 0) {
fprintf(stderr, "fstat(%s) failed\n", inputname);
exit(1);
}
sprintf(strbuf, "%c%s\n", '\2', printername);
strlength = strlen(strbuf);
if (write(printerfd, strbuf, strlength) != strlength) {
fprintf(stderr, "write(printer) error\n");
exit(1);
}
getack(printerfd, 2);
debug("send data\n");
senddata(inputfd, printerfd, statbuf.st_size);
debug("send control info\n");
sendctrl(printerfd);
fprintf(stderr, "%ld bytes sent, status: end of job\n", (long)statbuf.st_size);
}
