// if there aren't enough replicas of this chunk,
// pick new hosts and start downloads
//
void CHUNK::assign() {
if (!present_on_server) return;
while ((int)(hosts.size()) < p.replication) {
#if 0
if (parent->dfile->unused_hosts.size() == 0) {
die("no more hosts!\n");
}
set<HOST*>::iterator i = parent->dfile->unused_hosts.begin();
HOST* h = *i;
parent->dfile->unused_hosts.erase(i);
#else
HOST* h = new HOST;
sim.insert(h);
#endif
CHUNK_ON_HOST *c = new CHUNK_ON_HOST();
sprintf(c->name, "chunk %s on host %d", name, h->id);
#ifdef EVENT_DEBUG
printf("%s: assigning chunk %s to host %d\n", now_str(), name, h->id);
#endif
c->host = h;
c->chunk = this;
h->chunks.insert(c);
hosts.insert(c);
c->start_download();
}
}
// if there aren't enough replicas of this chunk,
// pick new hosts and start downloads
//
int CHUNK::assign() {
if (!present_on_server) return 0;
VDA_FILE_AUX* fp = parent->dfile;
while ((int)(hosts.size()) < fp->policy.replication) {
#if 0
if (parent->dfile->unused_hosts.size() == 0) {
die("no more hosts!\n");
}
set<SIM_HOST*>::iterator i = fp->unused_hosts.begin();
SIM_HOST* h = *i;
fp->unused_hosts.erase(i);
#else
SIM_HOST* h = new SIM_HOST;
sim.insert(h);
#endif
CHUNK_ON_HOST *c = new CHUNK_ON_HOST();
sprintf(c->physical_file_name, "chunk %s on host %d", name, h->id);
#ifdef EVENT_DEBUG
printf("%s: assigning chunk %s to host %d\n", now_str(), name, h->id);
#endif
c->host = h;
c->chunk = this;
h->chunks.insert(c);
hosts.insert(c);
c->start_download();
}
return 0;
}