C++ (Cpp) grpc_http2_decode_timeout Examples

Example #1

File: parsing.c Project: andrewpollock/grpc

static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp,
                              grpc_mdelem *md) {
  grpc_chttp2_transport *t = tp;
  grpc_chttp2_stream *s = t->incoming_stream;

  GPR_TIMER_BEGIN("on_initial_header", 0);

  GPR_ASSERT(s != NULL);

  GRPC_CHTTP2_IF_TRACING(gpr_log(
      GPR_INFO, "HTTP:%d:HDR:%s: %s: %s", s->id, t->is_client ? "CLI" : "SVR",
      grpc_mdstr_as_c_string(md->key), grpc_mdstr_as_c_string(md->value)));

  if (md->key == GRPC_MDSTR_GRPC_STATUS && md != GRPC_MDELEM_GRPC_STATUS_0) {
    /* TODO(ctiller): check for a status like " 0" */
    s->seen_error = true;
  }

  if (md->key == GRPC_MDSTR_GRPC_TIMEOUT) {
    gpr_timespec *cached_timeout = grpc_mdelem_get_user_data(md, free_timeout);
    if (!cached_timeout) {
      /* not already parsed: parse it now, and store the result away */
      cached_timeout = gpr_malloc(sizeof(gpr_timespec));
      if (!grpc_http2_decode_timeout(grpc_mdstr_as_c_string(md->value),
                                     cached_timeout)) {
        gpr_log(GPR_ERROR, "Ignoring bad timeout value '%s'",
                grpc_mdstr_as_c_string(md->value));
        *cached_timeout = gpr_inf_future(GPR_TIMESPAN);
      }
      grpc_mdelem_set_user_data(md, free_timeout, cached_timeout);
    }
    grpc_chttp2_incoming_metadata_buffer_set_deadline(
        &s->metadata_buffer[0],
        gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), *cached_timeout));
    GRPC_MDELEM_UNREF(md);
  } else {
    const size_t new_size = s->metadata_buffer[0].size + GRPC_MDELEM_LENGTH(md);
    const size_t metadata_size_limit =
        t->settings[GRPC_ACKED_SETTINGS]
                   [GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE];
    if (new_size > metadata_size_limit) {
      gpr_log(GPR_DEBUG,
              "received initial metadata size exceeds limit (%" PRIuPTR
              " vs. %" PRIuPTR ")",
              new_size, metadata_size_limit);
      grpc_chttp2_cancel_stream(
          exec_ctx, t, s,
          grpc_error_set_int(
              GRPC_ERROR_CREATE("received initial metadata size exceeds limit"),
              GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED));
      grpc_chttp2_parsing_become_skip_parser(exec_ctx, t);
      s->seen_error = true;
      GRPC_MDELEM_UNREF(md);
    } else {
      grpc_chttp2_incoming_metadata_buffer_add(&s->metadata_buffer[0], md);
    }
  }

  GPR_TIMER_END("on_initial_header", 0);
}

Example #2

File: parsing.c Project: endobson/grpc

static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp,
                              grpc_mdelem md) {
  grpc_chttp2_transport *t = (grpc_chttp2_transport *)tp;
  grpc_chttp2_stream *s = t->incoming_stream;

  GPR_TIMER_BEGIN("on_initial_header", 0);

  GPR_ASSERT(s != NULL);

  if (GRPC_TRACER_ON(grpc_http_trace)) {
    char *key = grpc_slice_to_c_string(GRPC_MDKEY(md));
    char *value =
        grpc_dump_slice(GRPC_MDVALUE(md), GPR_DUMP_HEX | GPR_DUMP_ASCII);
    gpr_log(GPR_INFO, "HTTP:%d:HDR:%s: %s: %s", s->id,
            t->is_client ? "CLI" : "SVR", key, value);
    gpr_free(key);
    gpr_free(value);
  }

  if (grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDSTR_GRPC_STATUS) &&
      !grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_0)) {
    /* TODO(ctiller): check for a status like " 0" */
    s->seen_error = true;
  }

  if (grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDSTR_GRPC_TIMEOUT)) {
    gpr_timespec *cached_timeout =
        (gpr_timespec *)grpc_mdelem_get_user_data(md, free_timeout);
    gpr_timespec timeout;
    if (cached_timeout == NULL) {
      /* not already parsed: parse it now, and store the result away */
      cached_timeout = (gpr_timespec *)gpr_malloc(sizeof(gpr_timespec));
      if (!grpc_http2_decode_timeout(GRPC_MDVALUE(md), cached_timeout)) {
        char *val = grpc_slice_to_c_string(GRPC_MDVALUE(md));
        gpr_log(GPR_ERROR, "Ignoring bad timeout value '%s'", val);
        gpr_free(val);
        *cached_timeout = gpr_inf_future(GPR_TIMESPAN);
      }
      timeout = *cached_timeout;
      grpc_mdelem_set_user_data(md, free_timeout, cached_timeout);
    } else {
      timeout = *cached_timeout;
    }
    grpc_chttp2_incoming_metadata_buffer_set_deadline(
        &s->metadata_buffer[0],
        gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), timeout));
    GRPC_MDELEM_UNREF(exec_ctx, md);
  } else {
    const size_t new_size = s->metadata_buffer[0].size + GRPC_MDELEM_LENGTH(md);
    const size_t metadata_size_limit =
        t->settings[GRPC_ACKED_SETTINGS]
                   [GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE];
    if (new_size > metadata_size_limit) {
      gpr_log(GPR_DEBUG,
              "received initial metadata size exceeds limit (%" PRIuPTR
              " vs. %" PRIuPTR ")",
              new_size, metadata_size_limit);
      grpc_chttp2_cancel_stream(
          exec_ctx, t, s,
          grpc_error_set_int(
              GRPC_ERROR_CREATE_FROM_STATIC_STRING(
                  "received initial metadata size exceeds limit"),
              GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED));
      grpc_chttp2_parsing_become_skip_parser(exec_ctx, t);
      s->seen_error = true;
      GRPC_MDELEM_UNREF(exec_ctx, md);
    } else {
      grpc_error *error = grpc_chttp2_incoming_metadata_buffer_add(
          exec_ctx, &s->metadata_buffer[0], md);
      if (error != GRPC_ERROR_NONE) {
        grpc_chttp2_cancel_stream(exec_ctx, t, s, error);
        grpc_chttp2_parsing_become_skip_parser(exec_ctx, t);
        s->seen_error = true;
        GRPC_MDELEM_UNREF(exec_ctx, md);
      }
    }
  }

  GPR_TIMER_END("on_initial_header", 0);
}