diff options
Diffstat (limited to 'src/core/lib')
| -rw-r--r-- | src/core/lib/channel/channelz_registry.cc | 38 | ||||
| -rw-r--r-- | src/core/lib/iomgr/socket_utils_common_posix.cc | 5 | ||||
| -rw-r--r-- | src/core/lib/surface/completion_queue.cc | 7 |
3 files changed, 39 insertions, 11 deletions
diff --git a/src/core/lib/channel/channelz_registry.cc b/src/core/lib/channel/channelz_registry.cc index 67e56ed791..e90a9e1f7f 100644 --- a/src/core/lib/channel/channelz_registry.cc +++ b/src/core/lib/channel/channelz_registry.cc @@ -38,6 +38,8 @@ namespace { // singleton instance of the registry. ChannelzRegistry* g_channelz_registry = nullptr; +const int kPaginationLimit = 100; + } // anonymous namespace void ChannelzRegistry::Init() { g_channelz_registry = New<ChannelzRegistry>(); } @@ -124,6 +126,7 @@ BaseNode* ChannelzRegistry::InternalGet(intptr_t uuid) { } char* ChannelzRegistry::InternalGetTopChannels(intptr_t start_channel_id) { + MutexLock lock(&mu_); grpc_json* top_level_json = grpc_json_create(GRPC_JSON_OBJECT); grpc_json* json = top_level_json; grpc_json* json_iterator = nullptr; @@ -133,10 +136,18 @@ char* ChannelzRegistry::InternalGetTopChannels(intptr_t start_channel_id) { // start_channel_id=0, which signifies "give me everything." Hence this // funky looking line below. size_t start_idx = start_channel_id == 0 ? 0 : start_channel_id - 1; + bool reached_pagination_limit = false; for (size_t i = start_idx; i < entities_.size(); ++i) { if (entities_[i] != nullptr && entities_[i]->type() == grpc_core::channelz::BaseNode::EntityType::kTopLevelChannel) { + // check if we are over pagination limit to determine if we need to set + // the "end" element. If we don't go through this block, we know that + // when the loop terminates, we have <= to kPaginationLimit. + if (top_level_channels.size() == kPaginationLimit) { + reached_pagination_limit = true; + break; + } top_level_channels.push_back(entities_[i]); } } @@ -150,17 +161,17 @@ char* ChannelzRegistry::InternalGetTopChannels(intptr_t start_channel_id) { grpc_json_link_child(array_parent, channel_json, json_iterator); } } - // For now we do not have any pagination rules. In the future we could - // pick a constant for max_channels_sent for a GetTopChannels request. - // Tracking: https://github.com/grpc/grpc/issues/16019. - json_iterator = grpc_json_create_child(nullptr, json, "end", nullptr, - GRPC_JSON_TRUE, false); + if (!reached_pagination_limit) { + grpc_json_create_child(nullptr, json, "end", nullptr, GRPC_JSON_TRUE, + false); + } char* json_str = grpc_json_dump_to_string(top_level_json, 0); grpc_json_destroy(top_level_json); return json_str; } char* ChannelzRegistry::InternalGetServers(intptr_t start_server_id) { + MutexLock lock(&mu_); grpc_json* top_level_json = grpc_json_create(GRPC_JSON_OBJECT); grpc_json* json = top_level_json; grpc_json* json_iterator = nullptr; @@ -169,10 +180,18 @@ char* ChannelzRegistry::InternalGetServers(intptr_t start_server_id) { // reserved). However, we want to support requests coming in with // start_server_id=0, which signifies "give me everything." size_t start_idx = start_server_id == 0 ? 0 : start_server_id - 1; + bool reached_pagination_limit = false; for (size_t i = start_idx; i < entities_.size(); ++i) { if (entities_[i] != nullptr && entities_[i]->type() == grpc_core::channelz::BaseNode::EntityType::kServer) { + // check if we are over pagination limit to determine if we need to set + // the "end" element. If we don't go through this block, we know that + // when the loop terminates, we have <= to kPaginationLimit. + if (servers.size() == kPaginationLimit) { + reached_pagination_limit = true; + break; + } servers.push_back(entities_[i]); } } @@ -186,11 +205,10 @@ char* ChannelzRegistry::InternalGetServers(intptr_t start_server_id) { grpc_json_link_child(array_parent, server_json, json_iterator); } } - // For now we do not have any pagination rules. In the future we could - // pick a constant for max_channels_sent for a GetServers request. - // Tracking: https://github.com/grpc/grpc/issues/16019. - json_iterator = grpc_json_create_child(nullptr, json, "end", nullptr, - GRPC_JSON_TRUE, false); + if (!reached_pagination_limit) { + grpc_json_create_child(nullptr, json, "end", nullptr, GRPC_JSON_TRUE, + false); + } char* json_str = grpc_json_dump_to_string(top_level_json, 0); grpc_json_destroy(top_level_json); return json_str; diff --git a/src/core/lib/iomgr/socket_utils_common_posix.cc b/src/core/lib/iomgr/socket_utils_common_posix.cc index 50674b0845..bdfc1d70c3 100644 --- a/src/core/lib/iomgr/socket_utils_common_posix.cc +++ b/src/core/lib/iomgr/socket_utils_common_posix.cc @@ -307,7 +307,10 @@ grpc_error* grpc_set_socket_tcp_user_timeout( } } #else - gpr_log(GPR_INFO, "TCP_USER_TIMEOUT not supported for this platform"); + extern grpc_core::TraceFlag grpc_tcp_trace; + if (grpc_tcp_trace.enabled()) { + gpr_log(GPR_INFO, "TCP_USER_TIMEOUT not supported for this platform"); + } #endif /* GRPC_HAVE_TCP_USER_TIMEOUT */ return GRPC_ERROR_NONE; } diff --git a/src/core/lib/surface/completion_queue.cc b/src/core/lib/surface/completion_queue.cc index 5dc9991f70..b81ae73b4d 100644 --- a/src/core/lib/surface/completion_queue.cc +++ b/src/core/lib/surface/completion_queue.cc @@ -79,6 +79,7 @@ typedef struct non_polling_worker { typedef struct { gpr_mu mu; + bool kicked_without_poller; non_polling_worker* root; grpc_closure* shutdown; } non_polling_poller; @@ -103,6 +104,10 @@ static grpc_error* non_polling_poller_work(grpc_pollset* pollset, grpc_millis deadline) { non_polling_poller* npp = reinterpret_cast<non_polling_poller*>(pollset); if (npp->shutdown) return GRPC_ERROR_NONE; + if (npp->kicked_without_poller) { + npp->kicked_without_poller = false; + return GRPC_ERROR_NONE; + } non_polling_worker w; gpr_cv_init(&w.cv); if (worker != nullptr) *worker = reinterpret_cast<grpc_pollset_worker*>(&w); @@ -148,6 +153,8 @@ static grpc_error* non_polling_poller_kick( w->kicked = true; gpr_cv_signal(&w->cv); } + } else { + p->kicked_without_poller = true; } return GRPC_ERROR_NONE; } |