| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include "src/core/lib/channel/channel_stack.h" |
| |
| #include <inttypes.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| #include "src/core/lib/gpr/string.h" |
| #include "src/core/lib/slice/slice_string_helpers.h" |
| #include "src/core/lib/transport/connectivity_state.h" |
| |
| /* These routines are here to facilitate debugging - they produce string |
| representations of various transport data structures */ |
| |
| static void put_metadata(gpr_strvec* b, grpc_mdelem md) { |
| gpr_strvec_add(b, gpr_strdup("key=")); |
| gpr_strvec_add( |
| b, grpc_dump_slice(GRPC_MDKEY(md), GPR_DUMP_HEX | GPR_DUMP_ASCII)); |
| |
| gpr_strvec_add(b, gpr_strdup(" value=")); |
| gpr_strvec_add( |
| b, grpc_dump_slice(GRPC_MDVALUE(md), GPR_DUMP_HEX | GPR_DUMP_ASCII)); |
| } |
| |
| static void put_metadata_list(gpr_strvec* b, grpc_metadata_batch md) { |
| grpc_linked_mdelem* m; |
| for (m = md.list.head; m != nullptr; m = m->next) { |
| if (m != md.list.head) gpr_strvec_add(b, gpr_strdup(", ")); |
| put_metadata(b, m->md); |
| } |
| if (md.deadline != GRPC_MILLIS_INF_FUTURE) { |
| char* tmp; |
| gpr_asprintf(&tmp, " deadline=%" PRId64, md.deadline); |
| gpr_strvec_add(b, tmp); |
| } |
| } |
| |
| char* grpc_transport_stream_op_batch_string( |
| grpc_transport_stream_op_batch* op) { |
| char* tmp; |
| char* out; |
| |
| gpr_strvec b; |
| gpr_strvec_init(&b); |
| |
| if (op->send_initial_metadata) { |
| gpr_strvec_add(&b, gpr_strdup(" ")); |
| gpr_strvec_add(&b, gpr_strdup("SEND_INITIAL_METADATA{")); |
| put_metadata_list( |
| &b, *op->payload->send_initial_metadata.send_initial_metadata); |
| gpr_strvec_add(&b, gpr_strdup("}")); |
| } |
| |
| if (op->send_message) { |
| gpr_strvec_add(&b, gpr_strdup(" ")); |
| if (op->payload->send_message.send_message != nullptr) { |
| gpr_asprintf(&tmp, "SEND_MESSAGE:flags=0x%08x:len=%d", |
| op->payload->send_message.send_message->flags(), |
| op->payload->send_message.send_message->length()); |
| } else { |
| // This can happen when we check a batch after the transport has |
| // processed and cleared the send_message op. |
| tmp = |
| gpr_strdup("SEND_MESSAGE(flag and length unknown, already orphaned)"); |
| } |
| gpr_strvec_add(&b, tmp); |
| } |
| |
| if (op->send_trailing_metadata) { |
| gpr_strvec_add(&b, gpr_strdup(" ")); |
| gpr_strvec_add(&b, gpr_strdup("SEND_TRAILING_METADATA{")); |
| put_metadata_list( |
| &b, *op->payload->send_trailing_metadata.send_trailing_metadata); |
| gpr_strvec_add(&b, gpr_strdup("}")); |
| } |
| |
| if (op->recv_initial_metadata) { |
| gpr_strvec_add(&b, gpr_strdup(" ")); |
| gpr_strvec_add(&b, gpr_strdup("RECV_INITIAL_METADATA")); |
| } |
| |
| if (op->recv_message) { |
| gpr_strvec_add(&b, gpr_strdup(" ")); |
| gpr_strvec_add(&b, gpr_strdup("RECV_MESSAGE")); |
| } |
| |
| if (op->recv_trailing_metadata) { |
| gpr_strvec_add(&b, gpr_strdup(" ")); |
| gpr_strvec_add(&b, gpr_strdup("RECV_TRAILING_METADATA")); |
| } |
| |
| if (op->cancel_stream) { |
| gpr_strvec_add(&b, gpr_strdup(" ")); |
| const char* msg = |
| grpc_error_string(op->payload->cancel_stream.cancel_error); |
| gpr_asprintf(&tmp, "CANCEL:%s", msg); |
| |
| gpr_strvec_add(&b, tmp); |
| } |
| |
| out = gpr_strvec_flatten(&b, nullptr); |
| gpr_strvec_destroy(&b); |
| |
| return out; |
| } |
| |
| char* grpc_transport_op_string(grpc_transport_op* op) { |
| char* tmp; |
| char* out; |
| bool first = true; |
| |
| gpr_strvec b; |
| gpr_strvec_init(&b); |
| |
| if (op->on_connectivity_state_change != nullptr) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = false; |
| if (op->connectivity_state != nullptr) { |
| gpr_asprintf(&tmp, "ON_CONNECTIVITY_STATE_CHANGE:p=%p:from=%s", |
| op->on_connectivity_state_change, |
| grpc_connectivity_state_name(*op->connectivity_state)); |
| gpr_strvec_add(&b, tmp); |
| } else { |
| gpr_asprintf(&tmp, "ON_CONNECTIVITY_STATE_CHANGE:p=%p:unsubscribe", |
| op->on_connectivity_state_change); |
| gpr_strvec_add(&b, tmp); |
| } |
| } |
| |
| if (op->disconnect_with_error != GRPC_ERROR_NONE) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = false; |
| const char* err = grpc_error_string(op->disconnect_with_error); |
| gpr_asprintf(&tmp, "DISCONNECT:%s", err); |
| gpr_strvec_add(&b, tmp); |
| } |
| |
| if (op->goaway_error) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = false; |
| const char* msg = grpc_error_string(op->goaway_error); |
| gpr_asprintf(&tmp, "SEND_GOAWAY:%s", msg); |
| |
| gpr_strvec_add(&b, tmp); |
| } |
| |
| if (op->set_accept_stream) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = false; |
| gpr_asprintf(&tmp, "SET_ACCEPT_STREAM:%p(%p,...)", op->set_accept_stream_fn, |
| op->set_accept_stream_user_data); |
| gpr_strvec_add(&b, tmp); |
| } |
| |
| if (op->bind_pollset != nullptr) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = false; |
| gpr_strvec_add(&b, gpr_strdup("BIND_POLLSET")); |
| } |
| |
| if (op->bind_pollset_set != nullptr) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = false; |
| gpr_strvec_add(&b, gpr_strdup("BIND_POLLSET_SET")); |
| } |
| |
| if (op->send_ping.on_initiate != nullptr || op->send_ping.on_ack != nullptr) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| // first = false; |
| gpr_strvec_add(&b, gpr_strdup("SEND_PING")); |
| } |
| |
| out = gpr_strvec_flatten(&b, nullptr); |
| gpr_strvec_destroy(&b); |
| |
| return out; |
| } |
| |
| void grpc_call_log_op(const char* file, int line, gpr_log_severity severity, |
| grpc_call_element* elem, |
| grpc_transport_stream_op_batch* op) { |
| char* str = grpc_transport_stream_op_batch_string(op); |
| gpr_log(file, line, severity, "OP[%s:%p]: %s", elem->filter->name, elem, str); |
| gpr_free(str); |
| } |