static void mkNextRequest(struct ReachabilityCollector_pvt* rcp)
{
struct PeerInfo* pi = NULL;
for (int i = 0; i < rcp->piList->length; i++) {
pi = ArrayList_OfPeerInfo_get(rcp->piList, i);
if (!pi->querying) { continue; }
}
if (!pi || !pi->querying) { return; }
rcp->msgOnWire = MsgCore_createQuery(rcp->msgCore, TIMEOUT_MILLISECONDS, rcp->alloc);
rcp->msgOnWire->userData = rcp;
rcp->msgOnWire->cb = onReply;
rcp->msgOnWire->target = Address_clone(&pi->addr, rcp->msgOnWire->alloc);
Dict* d = rcp->msgOnWire->msg = Dict_new(rcp->msgOnWire->alloc);
Dict_putStringCC(d, "q", "gp", rcp->msgOnWire->alloc);
uint64_t label_be = Endian_hostToBigEndian64(pi->pathToCheck);
Dict_putStringC(d, "tar",
String_newBinary((uint8_t*) &label_be, 8, rcp->msgOnWire->alloc), rcp->msgOnWire->alloc);
BoilerplateResponder_addBoilerplate(rcp->br, d, &pi->addr, rcp->msgOnWire->alloc);
}
static void mkNextRequest(struct ReachabilityCollector_pvt* rcp)
{
struct PeerInfo_pvt* pi = NULL;
for (int i = 0; i < rcp->piList->length; i++) {
pi = ArrayList_OfPeerInfo_pvt_get(rcp->piList, i);
if (pi->pub.querying && !pi->waitForResponse) { break; }
}
if (!pi || !pi->pub.querying) {
Log_debug(rcp->log, "All [%u] peers have been queried", rcp->piList->length);
return;
}
if (pi->waitForResponse) {
Log_debug(rcp->log, "Peer is waiting for response.");
return;
}
struct MsgCore_Promise* query =
MsgCore_createQuery(rcp->msgCore, TIMEOUT_MILLISECONDS, rcp->alloc);
struct Query* q = Allocator_calloc(query->alloc, sizeof(struct Query), 1);
q->rcp = rcp;
q->addr = Address_toString(&pi->pub.addr, query->alloc);
query->userData = q;
query->cb = onReply;
Assert_true(AddressCalc_validAddress(pi->pub.addr.ip6.bytes));
query->target = Address_clone(&pi->pub.addr, query->alloc);
Dict* d = query->msg = Dict_new(query->alloc);
Dict_putStringCC(d, "q", "gp", query->alloc);
uint64_t label_be = Endian_hostToBigEndian64(pi->pathToCheck);
uint8_t nearbyLabelBytes[8];
Bits_memcpy(nearbyLabelBytes, &label_be, 8);
AddrTools_printPath(q->targetPath, pi->pathToCheck);
Log_debug(rcp->log, "Getting peers for peer [%s] tar [%s]", q->addr->bytes, q->targetPath);
Dict_putStringC(d, "tar",
String_newBinary(nearbyLabelBytes, 8, query->alloc), query->alloc);
BoilerplateResponder_addBoilerplate(rcp->br, d, &pi->pub.addr, query->alloc);
pi->waitForResponse = true;
}
static void pingCycle(void* vsn)
{
struct SupernodeHunter_pvt* snp = Identity_check((struct SupernodeHunter_pvt*) vsn);
if (snp->pub.snodeIsReachable) { return; }
if (!snp->authorizedSnodes->length) { return; }
if (!snp->peers->length) { return; }
Log_debug(snp->log, "\n\nping cycle\n\n");
// We're not handling replies...
struct MsgCore_Promise* qp = MsgCore_createQuery(snp->msgCore, 0, snp->alloc);
struct Query* q = Allocator_calloc(qp->alloc, sizeof(struct Query), 1);
Identity_set(q);
q->snp = snp;
q->sendTime = Time_currentTimeMilliseconds(snp->base);
Dict* msg = qp->msg = Dict_new(qp->alloc);
qp->cb = onReply;
qp->userData = q;
bool isGetPeers = snp->nodeListIndex & 1;
int idx = snp->nodeListIndex++ >> 1;
for (;;) {
if (idx < snp->peers->length) {
qp->target = AddrSet_get(snp->peers, idx);
break;
}
idx -= snp->peers->length;
if (idx < snp->nodes->length) {
qp->target = AddrSet_get(snp->nodes, idx);
break;
}
snp->snodeAddrIdx++;
idx -= snp->nodes->length;
}
struct Address* snode =
AddrSet_get(snp->authorizedSnodes, snp->snodeAddrIdx % snp->authorizedSnodes->length);
if (Address_isSameIp(snode, qp->target)) {
// Supernode is a peer...
AddrSet_add(snp->snodeCandidates, qp->target);
}
if (snp->snodeCandidates->length) {
qp->target = AddrSet_get(snp->snodeCandidates, snp->snodeCandidates->length - 1);
Log_debug(snp->log, "Sending getRoute to snode %s",
Address_toString(qp->target, qp->alloc)->bytes);
Dict_putStringCC(msg, "sq", "gr", qp->alloc);
Dict_putStringC(msg, "src", snp->selfAddrStr, qp->alloc);
String* target = String_newBinary(qp->target->ip6.bytes, 16, qp->alloc);
Dict_putStringC(msg, "tar", target, qp->alloc);
q->isGetRoute = true;
return;
}
if (isGetPeers) {
Log_debug(snp->log, "Sending getPeers to %s",
Address_toString(qp->target, qp->alloc)->bytes);
Dict_putStringCC(msg, "q", "gp", qp->alloc);
Dict_putStringC(msg, "tar", String_newBinary("\0\0\0\0\0\0\0\1", 8, qp->alloc), qp->alloc);
} else {
q->searchTar = Address_clone(snode, qp->alloc);
Log_debug(snp->log, "Sending findNode to %s",
Address_toString(qp->target, qp->alloc)->bytes);
Dict_putStringCC(msg, "q", "fn", qp->alloc);
Dict_putStringC(msg, "tar", String_newBinary(snode->ip6.bytes, 16, qp->alloc), qp->alloc);
}
}
