| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "src/core/channel/channel_stack.h" |
| |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "src/core/support/string.h" |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| #include <grpc/support/useful.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, |
| gpr_dump_slice(md->key->slice, GPR_DUMP_HEX | GPR_DUMP_ASCII)); |
| |
| gpr_strvec_add(b, gpr_strdup(" value=")); |
| gpr_strvec_add( |
| b, gpr_dump_slice(md->value->slice, 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 != NULL; m = m->next) { |
| if (m != md.list.head) gpr_strvec_add(b, gpr_strdup(", ")); |
| put_metadata(b, m->md); |
| } |
| if (gpr_time_cmp(md.deadline, gpr_inf_future(md.deadline.clock_type)) != 0) { |
| char *tmp; |
| gpr_asprintf(&tmp, " deadline=%lld.%09d", (long long)md.deadline.tv_sec, |
| (int)md.deadline.tv_nsec); |
| gpr_strvec_add(b, tmp); |
| } |
| } |
| |
| char *grpc_transport_stream_op_string(grpc_transport_stream_op *op) { |
| char *tmp; |
| char *out; |
| int first = 1; |
| |
| gpr_strvec b; |
| gpr_strvec_init(&b); |
| |
| if (op->send_initial_metadata != NULL) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = 0; |
| gpr_strvec_add(&b, gpr_strdup("SEND_INITIAL_METADATA{")); |
| put_metadata_list(&b, *op->send_initial_metadata); |
| gpr_strvec_add(&b, gpr_strdup("}")); |
| } |
| |
| if (op->send_message != NULL) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = 0; |
| gpr_asprintf(&tmp, "SEND_MESSAGE:flags=0x%08x:len=%d", |
| op->send_message->flags, op->send_message->length); |
| gpr_strvec_add(&b, tmp); |
| } |
| |
| if (op->send_trailing_metadata != NULL) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = 0; |
| gpr_strvec_add(&b, gpr_strdup("SEND_TRAILING_METADATA{")); |
| put_metadata_list(&b, *op->send_trailing_metadata); |
| gpr_strvec_add(&b, gpr_strdup("}")); |
| } |
| |
| if (op->recv_initial_metadata != NULL) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = 0; |
| gpr_strvec_add(&b, gpr_strdup("RECV_INITIAL_METADATA")); |
| } |
| |
| if (op->recv_message != NULL) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = 0; |
| gpr_strvec_add(&b, gpr_strdup("RECV_MESSAGE")); |
| } |
| |
| if (op->recv_trailing_metadata != NULL) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = 0; |
| gpr_strvec_add(&b, gpr_strdup("RECV_TRAILING_METADATA")); |
| } |
| |
| if (op->cancel_with_status != GRPC_STATUS_OK) { |
| if (!first) gpr_strvec_add(&b, gpr_strdup(" ")); |
| first = 0; |
| gpr_asprintf(&tmp, "CANCEL:%d", op->cancel_with_status); |
| gpr_strvec_add(&b, tmp); |
| } |
| |
| out = gpr_strvec_flatten(&b, NULL); |
| gpr_strvec_destroy(&b); |
| |
| return out; |
| } |
| |
| void grpc_call_log_op(char *file, int line, gpr_log_severity severity, |
| grpc_call_element *elem, grpc_transport_stream_op *op) { |
| char *str = grpc_transport_stream_op_string(op); |
| gpr_log(file, line, severity, "OP[%s:%p]: %s", elem->filter->name, elem, str); |
| gpr_free(str); |
| } |