#include "src/core/lib/channel/channelz.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <atomic>
+
+#include "absl/strings/escaping.h"
+#include "absl/strings/strip.h"
+
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include "src/core/lib/address_utils/sockaddr_utils.h"
#include "src/core/lib/channel/channelz_registry.h"
#include "src/core/lib/channel/status_util.h"
#include "src/core/lib/gpr/string.h"
#include "src/core/lib/gpr/useful.h"
-#include "src/core/lib/gprpp/atomic.h"
#include "src/core/lib/gprpp/host_port.h"
#include "src/core/lib/gprpp/memory.h"
#include "src/core/lib/iomgr/error.h"
#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/resolve_address.h"
#include "src/core/lib/slice/b64.h"
#include "src/core/lib/slice/slice_internal.h"
#include "src/core/lib/surface/channel.h"
namespace channelz {
//
-// channel arg code
-//
-
-namespace {
-
-void* parent_uuid_copy(void* p) { return p; }
-void parent_uuid_destroy(void* /*p*/) {}
-int parent_uuid_cmp(void* p1, void* p2) { return GPR_ICMP(p1, p2); }
-const grpc_arg_pointer_vtable parent_uuid_vtable = {
- parent_uuid_copy, parent_uuid_destroy, parent_uuid_cmp};
-
-} // namespace
-
-grpc_arg MakeParentUuidArg(intptr_t parent_uuid) {
- // We would ideally like to store the uuid in an integer argument.
- // Unfortunately, that won't work, because intptr_t (the type used for
- // uuids) doesn't fit in an int (the type used for integer args).
- // So instead, we use a hack to store it as a pointer, because
- // intptr_t should be the same size as void*.
- static_assert(sizeof(intptr_t) <= sizeof(void*),
- "can't fit intptr_t inside of void*");
- return grpc_channel_arg_pointer_create(
- const_cast<char*>(GRPC_ARG_CHANNELZ_PARENT_UUID),
- reinterpret_cast<void*>(parent_uuid), &parent_uuid_vtable);
-}
-
-intptr_t GetParentUuidFromArgs(const grpc_channel_args& args) {
- const grpc_arg* arg =
- grpc_channel_args_find(&args, GRPC_ARG_CHANNELZ_PARENT_UUID);
- if (arg == nullptr || arg->type != GRPC_ARG_POINTER) return 0;
- return reinterpret_cast<intptr_t>(arg->value.pointer.p);
-}
-
-//
// BaseNode
//
void CallCountingHelper::RecordCallStarted() {
AtomicCounterData& data =
per_cpu_counter_data_storage_[ExecCtx::Get()->starting_cpu()];
- data.calls_started.FetchAdd(1, MemoryOrder::RELAXED);
- data.last_call_started_cycle.Store(gpr_get_cycle_counter(),
- MemoryOrder::RELAXED);
+ data.calls_started.fetch_add(1, std::memory_order_relaxed);
+ data.last_call_started_cycle.store(gpr_get_cycle_counter(),
+ std::memory_order_relaxed);
}
void CallCountingHelper::RecordCallFailed() {
per_cpu_counter_data_storage_[ExecCtx::Get()->starting_cpu()]
- .calls_failed.FetchAdd(1, MemoryOrder::RELAXED);
+ .calls_failed.fetch_add(1, std::memory_order_relaxed);
}
void CallCountingHelper::RecordCallSucceeded() {
per_cpu_counter_data_storage_[ExecCtx::Get()->starting_cpu()]
- .calls_succeeded.FetchAdd(1, MemoryOrder::RELAXED);
+ .calls_succeeded.fetch_add(1, std::memory_order_relaxed);
}
void CallCountingHelper::CollectData(CounterData* out) {
for (size_t core = 0; core < num_cores_; ++core) {
AtomicCounterData& data = per_cpu_counter_data_storage_[core];
- out->calls_started += data.calls_started.Load(MemoryOrder::RELAXED);
+ out->calls_started += data.calls_started.load(std::memory_order_relaxed);
out->calls_succeeded +=
- per_cpu_counter_data_storage_[core].calls_succeeded.Load(
- MemoryOrder::RELAXED);
- out->calls_failed += per_cpu_counter_data_storage_[core].calls_failed.Load(
- MemoryOrder::RELAXED);
+ per_cpu_counter_data_storage_[core].calls_succeeded.load(
+ std::memory_order_relaxed);
+ out->calls_failed += per_cpu_counter_data_storage_[core].calls_failed.load(
+ std::memory_order_relaxed);
const gpr_cycle_counter last_call =
- per_cpu_counter_data_storage_[core].last_call_started_cycle.Load(
- MemoryOrder::RELAXED);
+ per_cpu_counter_data_storage_[core].last_call_started_cycle.load(
+ std::memory_order_relaxed);
if (last_call > out->last_call_started_cycle) {
out->last_call_started_cycle = last_call;
}
}
}
-void CallCountingHelper::PopulateCallCounts(Json::Object* object) {
+void CallCountingHelper::PopulateCallCounts(Json::Object* json) {
CounterData data;
CollectData(&data);
if (data.calls_started != 0) {
- (*object)["callsStarted"] = std::to_string(data.calls_started);
+ (*json)["callsStarted"] = std::to_string(data.calls_started);
gpr_timespec ts = gpr_convert_clock_type(
gpr_cycle_counter_to_time(data.last_call_started_cycle),
GPR_CLOCK_REALTIME);
- (*object)["lastCallStartedTimestamp"] = gpr_format_timespec(ts);
+ (*json)["lastCallStartedTimestamp"] = gpr_format_timespec(ts);
}
if (data.calls_succeeded != 0) {
- (*object)["callsSucceeded"] = std::to_string(data.calls_succeeded);
+ (*json)["callsSucceeded"] = std::to_string(data.calls_succeeded);
}
if (data.calls_failed) {
- (*object)["callsFailed"] = std::to_string(data.calls_failed);
+ (*json)["callsFailed"] = std::to_string(data.calls_failed);
}
}
//
ChannelNode::ChannelNode(std::string target, size_t channel_tracer_max_nodes,
- intptr_t parent_uuid)
- : BaseNode(parent_uuid == 0 ? EntityType::kTopLevelChannel
- : EntityType::kInternalChannel,
+ bool is_internal_channel)
+ : BaseNode(is_internal_channel ? EntityType::kInternalChannel
+ : EntityType::kTopLevelChannel,
target),
target_(std::move(target)),
- trace_(channel_tracer_max_nodes),
- parent_uuid_(parent_uuid) {}
+ trace_(channel_tracer_max_nodes) {}
const char* ChannelNode::GetChannelConnectivityStateChangeString(
grpc_connectivity_state state) {
};
// Connectivity state.
// If low-order bit is on, then the field is set.
- int state_field = connectivity_state_.Load(MemoryOrder::RELAXED);
+ int state_field = connectivity_state_.load(std::memory_order_relaxed);
if ((state_field & 1) != 0) {
grpc_connectivity_state state =
static_cast<grpc_connectivity_state>(state_field >> 1);
MutexLock lock(&child_mu_);
if (!child_subchannels_.empty()) {
Json::Array array;
- for (const auto& p : child_subchannels_) {
+ for (intptr_t subchannel_uuid : child_subchannels_) {
array.emplace_back(Json::Object{
- {"subchannelId", std::to_string(p.first)},
+ {"subchannelId", std::to_string(subchannel_uuid)},
});
}
(*json)["subchannelRef"] = std::move(array);
}
if (!child_channels_.empty()) {
Json::Array array;
- for (const auto& p : child_channels_) {
+ for (intptr_t channel_uuid : child_channels_) {
array.emplace_back(Json::Object{
- {"channelId", std::to_string(p.first)},
+ {"channelId", std::to_string(channel_uuid)},
});
}
(*json)["channelRef"] = std::move(array);
void ChannelNode::SetConnectivityState(grpc_connectivity_state state) {
// Store with low-order bit set to indicate that the field is set.
int state_field = (state << 1) + 1;
- connectivity_state_.Store(state_field, MemoryOrder::RELAXED);
+ connectivity_state_.store(state_field, std::memory_order_relaxed);
}
void ChannelNode::AddChildChannel(intptr_t child_uuid) {
MutexLock lock(&child_mu_);
- child_channels_.insert(std::make_pair(child_uuid, true));
+ child_channels_.insert(child_uuid);
}
void ChannelNode::RemoveChildChannel(intptr_t child_uuid) {
void ChannelNode::AddChildSubchannel(intptr_t child_uuid) {
MutexLock lock(&child_mu_);
- child_subchannels_.insert(std::make_pair(child_uuid, true));
+ child_subchannels_.insert(child_uuid);
}
void ChannelNode::RemoveChildSubchannel(intptr_t child_uuid) {
// ServerNode
//
-ServerNode::ServerNode(grpc_server* /*server*/, size_t channel_tracer_max_nodes)
+ServerNode::ServerNode(size_t channel_tracer_max_nodes)
: BaseNode(EntityType::kServer, ""), trace_(channel_tracer_max_nodes) {}
ServerNode::~ServerNode() {}
std::string ServerNode::RenderServerSockets(intptr_t start_socket_id,
intptr_t max_results) {
+ GPR_ASSERT(start_socket_id >= 0);
+ GPR_ASSERT(max_results >= 0);
// If user does not set max_results, we choose 500.
size_t pagination_limit = max_results == 0 ? 500 : max_results;
Json::Object object;
{
MutexLock lock(&child_mu_);
size_t sockets_rendered = 0;
- if (!child_sockets_.empty()) {
- // Create list of socket refs.
- Json::Array array;
- const size_t limit = GPR_MIN(child_sockets_.size(), pagination_limit);
- for (auto it = child_sockets_.lower_bound(start_socket_id);
- it != child_sockets_.end() && sockets_rendered < limit;
- ++it, ++sockets_rendered) {
- array.emplace_back(Json::Object{
- {"socketId", std::to_string(it->first)},
- {"name", it->second->name()},
- });
- }
- object["socketRef"] = std::move(array);
+ // Create list of socket refs.
+ Json::Array array;
+ auto it = child_sockets_.lower_bound(start_socket_id);
+ for (; it != child_sockets_.end() && sockets_rendered < pagination_limit;
+ ++it, ++sockets_rendered) {
+ array.emplace_back(Json::Object{
+ {"socketId", std::to_string(it->first)},
+ {"name", it->second->name()},
+ });
}
- if (sockets_rendered == child_sockets_.size()) object["end"] = true;
+ object["socketRef"] = std::move(array);
+ if (it == child_sockets_.end()) object["end"] = true;
}
Json json = std::move(object);
return json.Dump();
}
//
+// SocketNode::Security::Tls
+//
+
+Json SocketNode::Security::Tls::RenderJson() {
+ Json::Object data;
+ if (type == NameType::kStandardName) {
+ data["standard_name"] = name;
+ } else if (type == NameType::kOtherName) {
+ data["other_name"] = name;
+ }
+ if (!local_certificate.empty()) {
+ data["local_certificate"] = absl::Base64Escape(local_certificate);
+ }
+ if (!remote_certificate.empty()) {
+ data["remote_certificate"] = absl::Base64Escape(remote_certificate);
+ }
+ return data;
+}
+
+//
+// SocketNode::Security
+//
+
+Json SocketNode::Security::RenderJson() {
+ Json::Object data;
+ switch (type) {
+ case ModelType::kUnset:
+ break;
+ case ModelType::kTls:
+ if (tls) {
+ data["tls"] = tls->RenderJson();
+ }
+ break;
+ case ModelType::kOther:
+ if (other) {
+ data["other"] = *other;
+ }
+ break;
+ }
+ return data;
+}
+
+namespace {
+
+void* SecurityArgCopy(void* p) {
+ SocketNode::Security* xds_certificate_provider =
+ static_cast<SocketNode::Security*>(p);
+ return xds_certificate_provider->Ref().release();
+}
+
+void SecurityArgDestroy(void* p) {
+ SocketNode::Security* xds_certificate_provider =
+ static_cast<SocketNode::Security*>(p);
+ xds_certificate_provider->Unref();
+}
+
+int SecurityArgCmp(void* p, void* q) { return GPR_ICMP(p, q); }
+
+const grpc_arg_pointer_vtable kChannelArgVtable = {
+ SecurityArgCopy, SecurityArgDestroy, SecurityArgCmp};
+
+} // namespace
+
+grpc_arg SocketNode::Security::MakeChannelArg() const {
+ return grpc_channel_arg_pointer_create(
+ const_cast<char*>(GRPC_ARG_CHANNELZ_SECURITY),
+ const_cast<SocketNode::Security*>(this), &kChannelArgVtable);
+}
+
+RefCountedPtr<SocketNode::Security> SocketNode::Security::GetFromChannelArgs(
+ const grpc_channel_args* args) {
+ Security* security = grpc_channel_args_find_pointer<Security>(
+ args, GRPC_ARG_CHANNELZ_SECURITY);
+ return security != nullptr ? security->Ref() : nullptr;
+}
+
+//
// SocketNode
//
const char* addr_str) {
if (addr_str == nullptr) return;
Json::Object data;
- grpc_uri* uri = grpc_uri_parse(addr_str, true);
- if ((uri != nullptr) && ((strcmp(uri->scheme, "ipv4") == 0) ||
- (strcmp(uri->scheme, "ipv6") == 0))) {
- const char* host_port = uri->path;
- if (*host_port == '/') ++host_port;
+ absl::StatusOr<URI> uri = URI::Parse(addr_str);
+ if (uri.ok() && (uri->scheme() == "ipv4" || uri->scheme() == "ipv6")) {
std::string host;
std::string port;
- GPR_ASSERT(SplitHostPort(host_port, &host, &port));
+ GPR_ASSERT(
+ SplitHostPort(absl::StripPrefix(uri->path(), "/"), &host, &port));
int port_num = -1;
if (!port.empty()) {
port_num = atoi(port.data());
}
- char* b64_host = grpc_base64_encode(host.data(), host.size(), false, false);
- data["tcpip_address"] = Json::Object{
- {"port", port_num},
- {"ip_address", b64_host},
- };
- gpr_free(b64_host);
- } else if (uri != nullptr && strcmp(uri->scheme, "unix") == 0) {
+ grpc_resolved_address resolved_host;
+ grpc_error_handle error =
+ grpc_string_to_sockaddr(&resolved_host, host.c_str(), port_num);
+ if (error == GRPC_ERROR_NONE) {
+ std::string packed_host = grpc_sockaddr_get_packed_host(&resolved_host);
+ std::string b64_host = absl::Base64Escape(packed_host);
+ data["tcpip_address"] = Json::Object{
+ {"port", port_num},
+ {"ip_address", b64_host},
+ };
+ (*json)[name] = std::move(data);
+ return;
+ }
+ GRPC_ERROR_UNREF(error);
+ }
+ if (uri.ok() && uri->scheme() == "unix") {
data["uds_address"] = Json::Object{
- {"filename", uri->path},
+ {"filename", uri->path()},
};
} else {
data["other_address"] = Json::Object{
{"name", addr_str},
};
}
- grpc_uri_destroy(uri);
(*json)[name] = std::move(data);
}
} // namespace
-SocketNode::SocketNode(std::string local, std::string remote, std::string name)
+SocketNode::SocketNode(std::string local, std::string remote, std::string name,
+ RefCountedPtr<Security> security)
: BaseNode(EntityType::kSocket, std::move(name)),
local_(std::move(local)),
- remote_(std::move(remote)) {}
+ remote_(std::move(remote)),
+ security_(std::move(security)) {}
void SocketNode::RecordStreamStartedFromLocal() {
- streams_started_.FetchAdd(1, MemoryOrder::RELAXED);
- last_local_stream_created_cycle_.Store(gpr_get_cycle_counter(),
- MemoryOrder::RELAXED);
+ streams_started_.fetch_add(1, std::memory_order_relaxed);
+ last_local_stream_created_cycle_.store(gpr_get_cycle_counter(),
+ std::memory_order_relaxed);
}
void SocketNode::RecordStreamStartedFromRemote() {
- streams_started_.FetchAdd(1, MemoryOrder::RELAXED);
- last_remote_stream_created_cycle_.Store(gpr_get_cycle_counter(),
- MemoryOrder::RELAXED);
+ streams_started_.fetch_add(1, std::memory_order_relaxed);
+ last_remote_stream_created_cycle_.store(gpr_get_cycle_counter(),
+ std::memory_order_relaxed);
}
void SocketNode::RecordMessagesSent(uint32_t num_sent) {
- messages_sent_.FetchAdd(num_sent, MemoryOrder::RELAXED);
- last_message_sent_cycle_.Store(gpr_get_cycle_counter(), MemoryOrder::RELAXED);
+ messages_sent_.fetch_add(num_sent, std::memory_order_relaxed);
+ last_message_sent_cycle_.store(gpr_get_cycle_counter(),
+ std::memory_order_relaxed);
}
void SocketNode::RecordMessageReceived() {
- messages_received_.FetchAdd(1, MemoryOrder::RELAXED);
- last_message_received_cycle_.Store(gpr_get_cycle_counter(),
- MemoryOrder::RELAXED);
+ messages_received_.fetch_add(1, std::memory_order_relaxed);
+ last_message_received_cycle_.store(gpr_get_cycle_counter(),
+ std::memory_order_relaxed);
}
Json SocketNode::RenderJson() {
// Create and fill the data child.
Json::Object data;
gpr_timespec ts;
- int64_t streams_started = streams_started_.Load(MemoryOrder::RELAXED);
+ int64_t streams_started = streams_started_.load(std::memory_order_relaxed);
if (streams_started != 0) {
data["streamsStarted"] = std::to_string(streams_started);
gpr_cycle_counter last_local_stream_created_cycle =
- last_local_stream_created_cycle_.Load(MemoryOrder::RELAXED);
+ last_local_stream_created_cycle_.load(std::memory_order_relaxed);
if (last_local_stream_created_cycle != 0) {
ts = gpr_convert_clock_type(
gpr_cycle_counter_to_time(last_local_stream_created_cycle),
data["lastLocalStreamCreatedTimestamp"] = gpr_format_timespec(ts);
}
gpr_cycle_counter last_remote_stream_created_cycle =
- last_remote_stream_created_cycle_.Load(MemoryOrder::RELAXED);
+ last_remote_stream_created_cycle_.load(std::memory_order_relaxed);
if (last_remote_stream_created_cycle != 0) {
ts = gpr_convert_clock_type(
gpr_cycle_counter_to_time(last_remote_stream_created_cycle),
data["lastRemoteStreamCreatedTimestamp"] = gpr_format_timespec(ts);
}
}
- int64_t streams_succeeded = streams_succeeded_.Load(MemoryOrder::RELAXED);
+ int64_t streams_succeeded =
+ streams_succeeded_.load(std::memory_order_relaxed);
if (streams_succeeded != 0) {
data["streamsSucceeded"] = std::to_string(streams_succeeded);
}
- int64_t streams_failed = streams_failed_.Load(MemoryOrder::RELAXED);
+ int64_t streams_failed = streams_failed_.load(std::memory_order_relaxed);
if (streams_failed != 0) {
data["streamsFailed"] = std::to_string(streams_failed);
}
- int64_t messages_sent = messages_sent_.Load(MemoryOrder::RELAXED);
+ int64_t messages_sent = messages_sent_.load(std::memory_order_relaxed);
if (messages_sent != 0) {
data["messagesSent"] = std::to_string(messages_sent);
ts = gpr_convert_clock_type(
gpr_cycle_counter_to_time(
- last_message_sent_cycle_.Load(MemoryOrder::RELAXED)),
+ last_message_sent_cycle_.load(std::memory_order_relaxed)),
GPR_CLOCK_REALTIME);
data["lastMessageSentTimestamp"] = gpr_format_timespec(ts);
}
- int64_t messages_received = messages_received_.Load(MemoryOrder::RELAXED);
+ int64_t messages_received =
+ messages_received_.load(std::memory_order_relaxed);
if (messages_received != 0) {
data["messagesReceived"] = std::to_string(messages_received);
ts = gpr_convert_clock_type(
gpr_cycle_counter_to_time(
- last_message_received_cycle_.Load(MemoryOrder::RELAXED)),
+ last_message_received_cycle_.load(std::memory_order_relaxed)),
GPR_CLOCK_REALTIME);
data["lastMessageReceivedTimestamp"] = gpr_format_timespec(ts);
}
- int64_t keepalives_sent = keepalives_sent_.Load(MemoryOrder::RELAXED);
+ int64_t keepalives_sent = keepalives_sent_.load(std::memory_order_relaxed);
if (keepalives_sent != 0) {
data["keepAlivesSent"] = std::to_string(keepalives_sent);
}
}},
{"data", std::move(data)},
};
+ if (security_ != nullptr &&
+ security_->type != SocketNode::Security::ModelType::kUnset) {
+ object["security"] = security_->RenderJson();
+ }
PopulateSocketAddressJson(&object, "remote", remote_.c_str());
PopulateSocketAddressJson(&object, "local", local_.c_str());
return object;