int main(int argc, char *argv[])
{
if (argc < 2)
{
printf("usage: %s filename\n", argv[0]);
exit(0);
}
char buffer[128];
int read;
FILE *file = fopen(argv[1], "wb");
if ( file==NULL ){return 1;}
//initialize networking
//bind to ip 0.0.0.0:PORT
IP ip;
ip.i = 0;
init_networking(ip, PORT);
perror("Initialization");
int connection;
uint64_t timer = current_time();
while(1)
{
Lossless_UDP();
connection = incoming_connection();
if(connection != -1)
{
if(is_connected(connection) == 2)
{
printf("Recieved the connection.\n");
}
break;
}
c_sleep(1);
}
timer = current_time();
while(1)
{
//printconnection(0);
Lossless_UDP();
if(is_connected(connection) >= 2)
{
read = read_packet(connection, buffer);
if(read != 0)
{
// printf("Recieved data.\n");
if(!fwrite(buffer, read, 1, file))
{
printf("file write error\n");
}
}
}
else
{
printf("Connecting Lost after: %llu us\n", (unsigned long long)(current_time() - timer));
fclose(file);
return 1;
}
c_sleep(1);
}
return 0;
}
int main(int argc, char *argv[])
{
if (argc < 4) {
printf("usage: %s ip port filename\n", argv[0]);
exit(0);
}
uint8_t buffer[512];
int read;
FILE *file = fopen(argv[3], "rb");
if (file == NULL)
return 1;
/* initialize networking */
/* bind to ip 0.0.0.0:PORT */
IP ip;
ip.i = 0;
init_networking(ip, PORT);
perror("Initialization");
IP_Port serverip;
serverip.ip.i = inet_addr(argv[1]);
serverip.port = htons(atoi(argv[2]));
printip(serverip);
int connection = new_connection(serverip);
uint64_t timer = current_time();
while (1) {
/* printconnection(connection); */
Lossless_UDP();
if (is_connected(connection) == 3) {
printf("Connecting took: %llu us\n", (unsigned long long)(current_time() - timer));
break;
}
if (is_connected(connection) == 0) {
printf("Connection timeout after: %llu us\n", (unsigned long long)(current_time() - timer));
return 1;
}
c_sleep(1);
}
timer = current_time();
/*read first part of file */
read = fread(buffer, 1, 512, file);
while (1) {
/* printconnection(connection); */
Lossless_UDP();
if (is_connected(connection) == 3) {
if (write_packet(connection, buffer, read)) {
/* printf("Wrote data.\n"); */
read = fread(buffer, 1, 512, file);
}
/* printf("%u\n", sendqueue(connection)); */
if (sendqueue(connection) == 0) {
if (read == 0) {
printf("Sent file successfully in: %llu us\n", (unsigned long long)(current_time() - timer));
break;
}
}
}
else {
printf("Connecting Lost after: %llu us\n", (unsigned long long)(current_time() - timer));
return 0;
}
/* c_sleep(1); */
}
return 0;
}
