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				|  |  | +/*
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				|  |  | + *
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				|  |  | + * Copyright 2015, Google Inc.
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				|  |  | + * All rights reserved.
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				|  |  | + *
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				|  |  | + * Redistribution and use in source and binary forms, with or without
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				|  |  | + * modification, are permitted provided that the following conditions are
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				|  |  | + * met:
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				|  |  | + *
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				|  |  | + *     * Redistributions of source code must retain the above copyright
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				|  |  | + * notice, this list of conditions and the following disclaimer.
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				|  |  | + *     * Redistributions in binary form must reproduce the above
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				|  |  | + * copyright notice, this list of conditions and the following disclaimer
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				|  |  | + * in the documentation and/or other materials provided with the
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				|  |  | + * distribution.
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				|  |  | + *     * Neither the name of Google Inc. nor the names of its
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				|  |  | + * contributors may be used to endorse or promote products derived from
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				|  |  | + * this software without specific prior written permission.
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				|  |  | + *
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				|  |  | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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				|  |  | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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				|  |  | + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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				|  |  | + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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				|  |  | + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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				|  |  | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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				|  |  | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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				|  |  | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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				|  |  | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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				|  |  | + *
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				|  |  | + */
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				|  |  | +
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				|  |  | +#include "src/core/surface/call.h"
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				|  |  | +
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				|  |  | +#include "src/core/support/string.h"
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				|  |  | +#include <grpc/support/alloc.h>
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				|  |  | +
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				|  |  | +int grpc_trace_batch = 0;
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				|  |  | +
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				|  |  | +static void add_metadata(gpr_strvec *b, const grpc_metadata *md, size_t count) {
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				|  |  | +  size_t i;
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				|  |  | +  for(i = 0; i < count; i++) {
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				|  |  | +    gpr_strvec_add(b, gpr_strdup("\nkey="));
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				|  |  | +    gpr_strvec_add(b, gpr_strdup(md[i].key));
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				|  |  | +
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				|  |  | +    gpr_strvec_add(b, gpr_strdup(" value="));
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				|  |  | +    gpr_strvec_add(b, gpr_hexdump(md[i].value, md[i].value_length,
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				|  |  | +                                  GPR_HEXDUMP_PLAINTEXT));
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +char *grpc_op_string(const grpc_op *op) {
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				|  |  | +  char *tmp;
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				|  |  | +  char *out;
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				|  |  | +
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				|  |  | +  gpr_strvec b;
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				|  |  | +  gpr_strvec_init(&b);
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				|  |  | +
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				|  |  | +  switch (op->op) {
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				|  |  | +    case GRPC_OP_SEND_INITIAL_METADATA:
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				|  |  | +      gpr_strvec_add(&b, gpr_strdup("SEND_INITIAL_METADATA"));
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				|  |  | +      add_metadata(&b, op->data.send_initial_metadata.metadata,
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				|  |  | +                   op->data.send_initial_metadata.count);
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				|  |  | +      break;
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				|  |  | +    case GRPC_OP_SEND_MESSAGE:
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				|  |  | +      gpr_asprintf(&tmp, "SEND_MESSAGE ptr=%p", op->data.send_message);
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				|  |  | +      gpr_strvec_add(&b, tmp);
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				|  |  | +      break;
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				|  |  | +    case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
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				|  |  | +      gpr_strvec_add(&b, gpr_strdup("SEND_CLOSE_FROM_CLIENT"));
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				|  |  | +      break;
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				|  |  | +    case GRPC_OP_SEND_STATUS_FROM_SERVER:
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				|  |  | +      gpr_asprintf(&tmp, "SEND_STATUS_FROM_SERVER status=%d details=%s",
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				|  |  | +                   op->data.send_status_from_server.status,
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				|  |  | +                   op->data.send_status_from_server.status_details);
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				|  |  | +      gpr_strvec_add(&b, tmp);
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				|  |  | +      add_metadata(&b, op->data.send_status_from_server.trailing_metadata,
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				|  |  | +                   op->data.send_status_from_server.trailing_metadata_count);
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				|  |  | +      break;
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				|  |  | +    case GRPC_OP_RECV_INITIAL_METADATA:
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				|  |  | +      gpr_asprintf(&tmp, "RECV_INITIAL_METADATA ptr=%p",
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				|  |  | +                   op->data.recv_initial_metadata);
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				|  |  | +      gpr_strvec_add(&b, tmp);
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				|  |  | +      break;
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				|  |  | +    case GRPC_OP_RECV_MESSAGE:
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				|  |  | +      gpr_asprintf(&tmp, "RECV_MESSAGE ptr=%p", op->data.recv_message);
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				|  |  | +      gpr_strvec_add(&b, tmp);
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				|  |  | +      break;
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				|  |  | +    case GRPC_OP_RECV_STATUS_ON_CLIENT:
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				|  |  | +      gpr_asprintf(&tmp,
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				|  |  | +                   "RECV_STATUS_ON_CLIENT metadata=%p status=%p details=%p",
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				|  |  | +                   op->data.recv_status_on_client.trailing_metadata,
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				|  |  | +                   op->data.recv_status_on_client.status,
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				|  |  | +                   op->data.recv_status_on_client.status_details);
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				|  |  | +      gpr_strvec_add(&b, tmp);
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				|  |  | +      break;
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				|  |  | +    case GRPC_OP_RECV_CLOSE_ON_SERVER:
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				|  |  | +      gpr_asprintf(&tmp, "RECV_CLOSE_ON_SERVER cancelled=%p",
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				|  |  | +                   op->data.recv_close_on_server.cancelled);
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				|  |  | +      gpr_strvec_add(&b, tmp);
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				|  |  | +  }
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				|  |  | +  out = gpr_strvec_flatten(&b, NULL);
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				|  |  | +  gpr_strvec_destroy(&b);
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				|  |  | +
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				|  |  | +  return out;
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				|  |  | +}
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				|  |  | +
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				|  |  | +void grpc_call_log_batch(char *file, int line, gpr_log_severity severity,
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				|  |  | +                         grpc_call *call, const grpc_op *ops, size_t nops,
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				|  |  | +                         void *tag) {
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				|  |  | +  char *tmp;
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				|  |  | +  size_t i;
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				|  |  | +  gpr_log(file, line, severity,
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				|  |  | +          "grpc_call_start_batch(%p, %p, %d, 0x%x)", call, ops, nops);
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				|  |  | +  for(i = 0; i < nops; i++) {
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				|  |  | +    tmp = grpc_op_string(&ops[i]);
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				|  |  | +    gpr_log(file, line, severity, "ops[%d]: %s", i, tmp);
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				|  |  | +    gpr_free(tmp);
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				|  |  | +  }
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				|  |  | +}
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