actor_ptr default_actor_addressing::read(deserializer* source) {
CPPA_REQUIRE(source != nullptr);
auto cname = source->seek_object();
if (cname == "@0") {
CPPA_LOGMF(CPPA_DEBUG, self, "deserialized nullptr");
source->begin_object("@0");
source->end_object();
return nullptr;
}
else if (cname == "@actor") {
process_information::node_id_type nid;
source->begin_object(cname);
auto aid = source->read<uint32_t>();
auto pid = source->read<uint32_t>();
source->read_raw(process_information::node_id_size, nid.data());
source->end_object();
// local actor?
auto pinf = process_information::get();
if (pid == pinf->process_id() && nid == pinf->node_id()) {
return get_actor_registry()->get(aid);
}
else {
process_information tmp(pid, nid);
return get_or_put(tmp, aid);
}
}
else throw runtime_error("expected type name \"@0\" or \"@actor\"; "
"found: " + cname);
}
error load_actor(strong_actor_ptr& storage, execution_unit* ctx,
actor_id aid, const node_id& nid) {
if (!ctx)
return sec::no_context;
auto& sys = ctx->system();
if (sys.node() == nid) {
storage = sys.registry().get(aid);
CAF_LOG_DEBUG("fetch actor handle from local actor registry: "
<< (storage ? "found" : "not found"));
return none;
}
auto prp = ctx->proxy_registry_ptr();
if (!prp)
return sec::no_proxy_registry;
// deal with (proxies for) remote actors
storage = prp->get_or_put(nid, aid);
return none;
}
actor_ptr default_actor_addressing::read(deserializer* source) {
CPPA_REQUIRE(source != nullptr);
process_information::node_id_type nid;
auto aid = source->read<uint32_t>();
auto pid = source->read<uint32_t>();
source->read_raw(process_information::node_id_size, nid.data());
// local actor?
auto pinf = process_information::get();
if (aid == 0 && pid == 0) {
return nullptr;
}
else if (pid == pinf->process_id() && nid == pinf->node_id()) {
return get_actor_registry()->get(aid);
}
else {
process_information tmp{pid, nid};
return get_or_put(tmp, aid);
}
}
actor_addr actor_namespace::read(deserializer* source) {
CAF_ASSERT(source != nullptr);
node_id::host_id_type hid;
auto aid = source->read<uint32_t>(); // actor id
source->read_raw(node_id::host_id_size, hid.data()); // host id
auto pid = source->read<uint32_t>(); // process id
node_id this_node = detail::singletons::get_node_id();
if (aid == 0 && pid == 0) {
// 0:0 identifies an invalid actor
return invalid_actor_addr;
}
if (pid == this_node.process_id() && hid == this_node.host_id()) {
// identifies this exact process on this host, ergo: local actor
auto a = detail::singletons::get_actor_registry()->get(aid);
// might be invalid
return a ? a->address() : invalid_actor_addr;
}
// identifies a remote actor; create proxy if needed
return get_or_put({pid, hid}, aid)->address();
}
