void respond_put(t_socket *connection, t_message packet) {
t_message message = receive(connection);
unsigned long size;
memcpy(&size, message.data, sizeof(unsigned long));
if (size > free_disk_space()) {
connection->window_index = message.sequence + 1;
send_message(connection, error_message(3, message.sequence));
return;
}
send_ack(connection, message.sequence);
FILE *fp = fopen(packet.data, "wb");
t_message next;
do {
next = receive(connection);
if (next.type == TYPE_EOF)
break;
if (next.type == TYPE_DATA) {
fwrite(next.data, next.size - 3, 1, fp);
free(next.data);
}
} while (1);
fclose(fp);
}
u64 DiskCachingFileLoaderCache::FreeDiskSpace() {
std::string dir = cacheDir_;
if (dir.empty()) {
dir = GetSysDirectory(DIRECTORY_CACHE);
}
uint64_t result = 0;
if (free_disk_space(dir, result)) {
return result;
}
// We can't know for sure how much is free, so we have to assume none.
return 0;
}
