int
fqd_remove_peer(const char *host, int port,
const char *user, const char *pass,
fq_rk *exchange, const char *prog) {
fqd_peer_connection *peer, speer;
peer_binding_info *bi = NULL;
int i;
memset(&speer, 0, sizeof(speer));
speer.host = (char *)host;
speer.port = port;
speer.user = (char *)user;
speer.pass = (char *)pass;
pthread_mutex_lock(&lock);
/* Get a peer */
for(peer = list_head.next; peer; peer = peer->next) {
if(!peercmp(peer, &speer)) {
for(i=0; i<peer->n_bindings; i++) {
bi = peer->bindings[i];
if(bi->disabled == false &&
fq_rk_cmp(exchange, &bi->exchange) &&
!strcmp(prog, bi->prog)) {
bi->disabled = true;
break;
}
}
break;
}
}
if(bi && peer->n_bindings == 1) {
/* Special case, we must remove this so no one else can see it */
fqd_peer_connection *prev = &list_head;
for(prev = &list_head; prev->next; prev = prev->next) {
if(!peercmp(prev->next, peer)) {
prev->next = peer->next;
peer->next = NULL;
break;
}
}
}
if(bi) {
/* We found something and it is our job to turn it down */
if(peer->n_bindings == 1) fqd_peer_stop(peer);
else fqd_peer_online_unbind(peer, bi);
}
pthread_mutex_unlock(&lock);
return bi ? 0 : -1;
}
static peer_t *minpeer()
{
peer_t *result = NULL;
for (int i = 0; i < g.npeers; i++) {
if (g.peer_set[i].req &&
(!result || peercmp((g.peer_set + i), result)))
result = g.peer_set + i;
}
return result;
}
int
fqd_add_peer(uint64_t gen,
const char *host, int port,
const char *user, const char *pass,
fq_rk *exchange, const char *prog,
bool perm) {
bool added_peer = false, added_binding = false;
fqd_peer_connection *peer, speer;
peer_binding_info *bi = NULL;
int i;
memset(&speer, 0, sizeof(speer));
speer.host = (char *)host;
speer.port = port;
speer.user = (char *)user;
speer.pass = (char *)pass;
pthread_mutex_lock(&lock);
/* Get a peer */
for(peer = list_head.next; peer; peer = peer->next) {
if(!peercmp(peer, &speer)) break;
}
if(!peer) {
peer = calloc(1, sizeof(*peer));
peer->host = strdup(speer.host);
peer->port = speer.port;
peer->user = strdup(speer.user);
peer->pass = strdup(speer.pass);
peer->next = list_head.next;
list_head.next = peer;
added_peer = true;
}
/* Get a binding */
for(i=0; i<peer->n_bindings; i++) {
bi = peer->bindings[i];
if(!fq_rk_cmp(exchange, &bi->exchange) && !strcmp(prog, bi->prog)) break;
}
if(i == peer->n_bindings) {
bi = calloc(1, sizeof(*bi));
memcpy(&bi->exchange, exchange, sizeof(*exchange));
bi->route_id = FQ_BIND_ILLEGAL;
bi->prog = strdup(prog);
peer->n_bindings++;
peer->bindings = realloc(peer->bindings, peer->n_bindings * sizeof(bi));
peer->bindings[peer->n_bindings - 1] = bi;
added_binding = true;
}
/* This will force a rebind */
if(perm != bi->perm) added_binding = true;
bi->perm = perm;
bi->gen = gen;
if(added_peer) fqd_peer_start(peer);
else if(added_binding) fqd_peer_online_bind(peer, bi);
pthread_mutex_unlock(&lock);
return added_binding ? 0 : -1;
}
