| /* |
| * |
| * Copyright 2014, 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 <grpc/support/alloc.h> |
| #include <grpc/support/string.h> |
| #include <grpc/support/useful.h> |
| |
| #define MAX_APPEND 1024 |
| |
| typedef struct { |
| size_t cap; |
| size_t len; |
| char *buffer; |
| } buf; |
| |
| static void bprintf(buf *b, const char *fmt, ...) { |
| va_list arg; |
| if (b->len + MAX_APPEND > b->cap) { |
| b->cap = GPR_MAX(b->len + MAX_APPEND, b->cap * 3 / 2); |
| b->buffer = gpr_realloc(b->buffer, b->cap); |
| } |
| va_start(arg, fmt); |
| b->len += vsprintf(b->buffer + b->len, fmt, arg); |
| va_end(arg); |
| } |
| |
| static void bputs(buf *b, const char *s) { |
| size_t slen = strlen(s); |
| if (b->len + slen + 1 > b->cap) { |
| b->cap = GPR_MAX(b->len + slen + 1, b->cap * 3 / 2); |
| b->buffer = gpr_realloc(b->buffer, b->cap); |
| } |
| strcat(b->buffer, s); |
| b->len += slen; |
| } |
| |
| static void put_metadata(buf *b, grpc_mdelem *md) { |
| char *txt; |
| |
| txt = gpr_hexdump((char *)GPR_SLICE_START_PTR(md->key->slice), |
| GPR_SLICE_LENGTH(md->key->slice), GPR_HEXDUMP_PLAINTEXT); |
| bputs(b, " key="); |
| bputs(b, txt); |
| gpr_free(txt); |
| |
| txt = gpr_hexdump((char *)GPR_SLICE_START_PTR(md->value->slice), |
| GPR_SLICE_LENGTH(md->value->slice), GPR_HEXDUMP_PLAINTEXT); |
| bputs(b, " value="); |
| bputs(b, txt); |
| gpr_free(txt); |
| } |
| |
| char *grpc_call_op_string(grpc_call_op *op) { |
| buf b = {0, 0, 0}; |
| |
| switch (op->dir) { |
| case GRPC_CALL_DOWN: |
| bprintf(&b, ">"); |
| break; |
| case GRPC_CALL_UP: |
| bprintf(&b, "<"); |
| break; |
| } |
| switch (op->type) { |
| case GRPC_SEND_METADATA: |
| bprintf(&b, "SEND_METADATA"); |
| put_metadata(&b, op->data.metadata); |
| break; |
| case GRPC_SEND_DEADLINE: |
| bprintf(&b, "SEND_DEADLINE %d.%09d", op->data.deadline.tv_sec, |
| op->data.deadline.tv_nsec); |
| break; |
| case GRPC_SEND_START: |
| bprintf(&b, "SEND_START pollset=%p", op->data.start.pollset); |
| break; |
| case GRPC_SEND_MESSAGE: |
| bprintf(&b, "SEND_MESSAGE"); |
| break; |
| case GRPC_SEND_FINISH: |
| bprintf(&b, "SEND_FINISH"); |
| break; |
| case GRPC_REQUEST_DATA: |
| bprintf(&b, "REQUEST_DATA"); |
| break; |
| case GRPC_RECV_METADATA: |
| bprintf(&b, "RECV_METADATA"); |
| put_metadata(&b, op->data.metadata); |
| break; |
| case GRPC_RECV_DEADLINE: |
| bprintf(&b, "RECV_DEADLINE %d.%09d", op->data.deadline.tv_sec, |
| op->data.deadline.tv_nsec); |
| break; |
| case GRPC_RECV_END_OF_INITIAL_METADATA: |
| bprintf(&b, "RECV_END_OF_INITIAL_METADATA"); |
| break; |
| case GRPC_RECV_MESSAGE: |
| bprintf(&b, "RECV_MESSAGE"); |
| break; |
| case GRPC_RECV_HALF_CLOSE: |
| bprintf(&b, "RECV_HALF_CLOSE"); |
| break; |
| case GRPC_RECV_FINISH: |
| bprintf(&b, "RECV_FINISH"); |
| break; |
| case GRPC_CANCEL_OP: |
| bprintf(&b, "CANCEL_OP"); |
| break; |
| } |
| bprintf(&b, " flags=0x%08x", op->flags); |
| |
| return b.buffer; |
| } |
| |
| void grpc_call_log_op(char *file, int line, gpr_log_severity severity, |
| grpc_call_element *elem, grpc_call_op *op) { |
| char *str = grpc_call_op_string(op); |
| gpr_log(file, line, severity, "OP[%s:%p]: %s", elem->filter->name, elem, str); |
| gpr_free(str); |
| } |