Esempio n. 1
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void grpc_credentials_md_store_add_cstrings(grpc_credentials_md_store *store,
                                            const char *key,
                                            const char *value) {
  if (store == NULL) return;
  store_ensure_capacity(store);
  store->entries[store->num_entries].key = gpr_slice_from_copied_string(key);
  store->entries[store->num_entries].value =
      gpr_slice_from_copied_string(value);
  store->num_entries++;
}
Esempio n. 2
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static void test_add_to_empty_md_store(void) {
    grpc_credentials_md_store *store = grpc_credentials_md_store_create(0);
    const char *key_str = "hello";
    const char *value_str = "there blah blah blah blah blah blah blah";
    gpr_slice key = gpr_slice_from_copied_string(key_str);
    gpr_slice value = gpr_slice_from_copied_string(value_str);
    grpc_credentials_md_store_add(store, key, value);
    GPR_ASSERT(store->num_entries == 1);
    GPR_ASSERT(gpr_slice_cmp(key, store->entries[0].key) == 0);
    GPR_ASSERT(gpr_slice_cmp(value, store->entries[0].value) == 0);
    gpr_slice_unref(key);
    gpr_slice_unref(value);
    grpc_credentials_md_store_unref(store);
}
static void test_leftover(grpc_endpoint_test_config config, size_t slice_size) {
  grpc_endpoint_test_fixture f = config.create_fixture(slice_size);
  gpr_slice_buffer incoming;
  gpr_slice s =
      gpr_slice_from_copied_string("hello world 12345678900987654321");
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  int n = 0;
  grpc_closure done_closure;
  gpr_log(GPR_INFO, "Start test left over");

  gpr_slice_buffer_init(&incoming);
  grpc_closure_init(&done_closure, inc_call_ctr, &n);
  grpc_endpoint_read(&exec_ctx, f.client_ep, &incoming, &done_closure);
  grpc_exec_ctx_finish(&exec_ctx);
  GPR_ASSERT(n == 1);
  GPR_ASSERT(incoming.count == 1);
  GPR_ASSERT(0 == gpr_slice_cmp(s, incoming.slices[0]));

  grpc_endpoint_shutdown(&exec_ctx, f.client_ep);
  grpc_endpoint_shutdown(&exec_ctx, f.server_ep);
  grpc_endpoint_destroy(&exec_ctx, f.client_ep);
  grpc_endpoint_destroy(&exec_ctx, f.server_ep);
  grpc_exec_ctx_finish(&exec_ctx);
  gpr_slice_unref(s);
  gpr_slice_buffer_destroy(&incoming);

  clean_up();
}
Esempio n. 4
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static void test_send_messages_at_the_same_time() {
  grpc_op *op;
  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
  grpc_byte_buffer *request_payload =
      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
  prepare_test(1);
  op = g_state.ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_SEND_MESSAGE;
  op->data.send_message = request_payload;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_SEND_MESSAGE;
  op->data.send_message = tag(2);
  op->flags = 0;
  op->reserved = NULL;
  op++;
  GPR_ASSERT(GRPC_CALL_ERROR_TOO_MANY_OPERATIONS ==
             grpc_call_start_batch(g_state.call, g_state.ops,
                                   (size_t)(op - g_state.ops), tag(1), NULL));
  grpc_byte_buffer_destroy(request_payload);
  cleanup_test();
}
Esempio n. 5
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static void test_fails(grpc_slice_split_mode split_mode, char *response) {
  grpc_httpcli_parser parser;
  gpr_slice input_slice = gpr_slice_from_copied_string(response);
  size_t num_slices;
  size_t i;
  gpr_slice *slices;
  int done = 0;

  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
  gpr_slice_unref(input_slice);

  grpc_httpcli_parser_init(&parser);

  for (i = 0; i < num_slices; i++) {
    if (!done && !grpc_httpcli_parser_parse(&parser, slices[i])) {
      done = 1;
    }
    gpr_slice_unref(slices[i]);
  }
  if (!done && !grpc_httpcli_parser_eof(&parser)) {
    done = 1;
  }
  GPR_ASSERT(done);

  grpc_httpcli_parser_destroy(&parser);
  gpr_free(slices);
}
Esempio n. 6
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static grpc_mdelem *client_recv_filter(void *user_data, grpc_mdelem *md) {
  client_recv_filter_args *a = user_data;
  if (md == GRPC_MDELEM_STATUS_200) {
    return NULL;
  } else if (md->key == GRPC_MDSTR_STATUS) {
    char *message_string;
    gpr_asprintf(&message_string, "Received http2 header with status: %s",
                 grpc_mdstr_as_c_string(md->value));
    gpr_slice message = gpr_slice_from_copied_string(message_string);
    gpr_free(message_string);
    grpc_call_element_send_cancel_with_message(a->exec_ctx, a->elem,
                                               GRPC_STATUS_CANCELLED, &message);
    return NULL;
  } else if (md == GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC) {
    return NULL;
  } else if (md->key == GRPC_MDSTR_CONTENT_TYPE) {
    const char *value_str = grpc_mdstr_as_c_string(md->value);
    if (strncmp(value_str, EXPECTED_CONTENT_TYPE,
                EXPECTED_CONTENT_TYPE_LENGTH) == 0 &&
        (value_str[EXPECTED_CONTENT_TYPE_LENGTH] == '+' ||
         value_str[EXPECTED_CONTENT_TYPE_LENGTH] == ';')) {
      /* Although the C implementation doesn't (currently) generate them,
         any custom +-suffix is explicitly valid. */
      /* TODO(klempner): We should consider preallocating common values such
         as +proto or +json, or at least stashing them if we see them. */
      /* TODO(klempner): Should we be surfacing this to application code? */
    } else {
      /* TODO(klempner): We're currently allowing this, but we shouldn't
         see it without a proxy so log for now. */
      gpr_log(GPR_INFO, "Unexpected content-type '%s'", value_str);
    }
    return NULL;
  }
  return md;
}
Esempio n. 7
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static void send_farewells(void *c, int success) {
  grpc_child_channel *channel = c;
  grpc_channel_element *lbelem = LINK_BACK_ELEM_FROM_CHANNEL(channel);
  lb_channel_data *chand = lbelem->channel_data;
  int send_goaway;
  grpc_channel_op op;

  gpr_mu_lock(&chand->mu);
  send_goaway = !chand->sent_goaway;
  chand->sent_goaway = 1;
  gpr_mu_unlock(&chand->mu);

  if (send_goaway) {
    op.type = GRPC_CHANNEL_GOAWAY;
    op.dir = GRPC_CALL_DOWN;
    op.data.goaway.status = GRPC_STATUS_OK;
    op.data.goaway.message = gpr_slice_from_copied_string("Client disconnect");
    grpc_channel_next_op(lbelem, &op);
  }

  op.type = GRPC_CHANNEL_DISCONNECT;
  op.dir = GRPC_CALL_DOWN;
  grpc_channel_next_op(lbelem, &op);

  gpr_mu_lock(&chand->mu);
  chand->sending_farewell = 0;
  chand->sent_farewell = 1;
  maybe_destroy_channel(channel);
  gpr_mu_unlock(&chand->mu);
}
static void bubble_up_error(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
                            grpc_status_code status, const char *error_msg) {
  call_data *calld = elem->call_data;
  gpr_log(GPR_ERROR, "Client side authentication failure: %s", error_msg);
  gpr_slice error_slice = gpr_slice_from_copied_string(error_msg);
  grpc_transport_stream_op_add_close(&calld->op, status, &error_slice);
  grpc_call_next_op(exec_ctx, elem, &calld->op);
}
static grpc_endpoint_test_fixture
secure_endpoint_create_fixture_tcp_socketpair_leftover(size_t slice_size) {
  gpr_slice s =
      gpr_slice_from_copied_string("hello world 12345678900987654321");
  grpc_endpoint_test_fixture f;

  f = secure_endpoint_create_fixture_tcp_socketpair(slice_size, &s, 1);
  return f;
}
Esempio n. 10
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/* Constructor for channel_data */
static void init_channel_elem(grpc_channel_element *elem,
                              const grpc_channel_args *args, grpc_mdctx *mdctx,
                              int is_first, int is_last) {
  size_t i;
  size_t gettable_capacity = 0;

  /* grab pointers to our data from the channel element */
  channel_data *channeld = elem->channel_data;

  /* The first and the last filters tend to be implemented differently to
     handle the case that there's no 'next' filter to call on the up or down
     path */
  GPR_ASSERT(!is_first);
  GPR_ASSERT(!is_last);

  /* initialize members */
  channeld->te_trailers = grpc_mdelem_from_strings(mdctx, "te", "trailers");
  channeld->status_ok = grpc_mdelem_from_strings(mdctx, ":status", "200");
  channeld->status_not_found =
      grpc_mdelem_from_strings(mdctx, ":status", "404");
  channeld->method_post = grpc_mdelem_from_strings(mdctx, ":method", "POST");
  channeld->http_scheme = grpc_mdelem_from_strings(mdctx, ":scheme", "http");
  channeld->https_scheme = grpc_mdelem_from_strings(mdctx, ":scheme", "https");
  channeld->grpc_scheme = grpc_mdelem_from_strings(mdctx, ":scheme", "grpc");
  channeld->path_key = grpc_mdstr_from_string(mdctx, ":path");
  channeld->authority_key = grpc_mdstr_from_string(mdctx, ":authority");
  channeld->host_key = grpc_mdstr_from_string(mdctx, "host");
  channeld->content_type =
      grpc_mdelem_from_strings(mdctx, "content-type", "application/grpc");

  channeld->mdctx = mdctx;

  /* initialize http download support */
  channeld->gettable_count = 0;
  channeld->gettables = NULL;
  for (i = 0; i < args->num_args; i++) {
    if (0 == strcmp(args->args[i].key, GRPC_ARG_SERVE_OVER_HTTP)) {
      gettable *g;
      gpr_slice slice;
      grpc_http_server_page *p = args->args[i].value.pointer.p;
      if (channeld->gettable_count == gettable_capacity) {
        gettable_capacity =
            GPR_MAX(gettable_capacity * 3 / 2, gettable_capacity + 1);
        channeld->gettables = gpr_realloc(channeld->gettables,
                                          gettable_capacity * sizeof(gettable));
      }
      g = &channeld->gettables[channeld->gettable_count++];
      g->path = grpc_mdelem_from_strings(mdctx, ":path", p->path);
      g->content_type =
          grpc_mdelem_from_strings(mdctx, "content-type", p->content_type);
      slice = gpr_slice_from_copied_string(p->content);
      g->content = grpc_byte_buffer_create(&slice, 1);
      gpr_slice_unref(slice);
    }
  }
}
Esempio n. 11
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static void test_dump_slice(void) {
  static const char *text = "HELLO WORLD!";
  static const char *long_text =
      "It was a bright cold day in April, and the clocks were striking "
      "thirteen. Winston Smith, his chin nuzzled into his breast in an effort "
      "to escape the vile wind, slipped quickly through the glass doors of "
      "Victory Mansions, though not quickly enough to prevent a swirl of "
      "gritty dust from entering along with him.";

  LOG_TEST_NAME("test_dump_slice");

  expect_slice_dump(gpr_slice_from_copied_string(text), GPR_DUMP_ASCII, text);
  expect_slice_dump(gpr_slice_from_copied_string(long_text), GPR_DUMP_ASCII,
                    long_text);
  expect_slice_dump(gpr_slice_from_copied_buffer("\x01", 1), GPR_DUMP_HEX,
                    "01");
  expect_slice_dump(gpr_slice_from_copied_buffer("\x01", 1),
                    GPR_DUMP_HEX | GPR_DUMP_ASCII, "01 '.'");
}
Esempio n. 12
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static void plugin_md_request_metadata_ready(void *request,
                                             const grpc_metadata *md,
                                             size_t num_md,
                                             grpc_status_code status,
                                             const char *error_details) {
  /* called from application code */
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  grpc_metadata_plugin_request *r = (grpc_metadata_plugin_request *)request;
  if (status != GRPC_STATUS_OK) {
    if (error_details != NULL) {
      gpr_log(GPR_ERROR, "Getting metadata from plugin failed with error: %s",
              error_details);
    }
    r->cb(&exec_ctx, r->user_data, NULL, 0, GRPC_CREDENTIALS_ERROR,
          error_details);
  } else {
    size_t i;
    bool seen_illegal_header = false;
    grpc_credentials_md *md_array = NULL;
    for (i = 0; i < num_md; i++) {
      if (!grpc_header_key_is_legal(md[i].key, strlen(md[i].key))) {
        gpr_log(GPR_ERROR, "Plugin added invalid metadata key: %s", md[i].key);
        seen_illegal_header = true;
        break;
      } else if (!grpc_is_binary_header(md[i].key, strlen(md[i].key)) &&
                 !grpc_header_nonbin_value_is_legal(md[i].value,
                                                    md[i].value_length)) {
        gpr_log(GPR_ERROR, "Plugin added invalid metadata value.");
        seen_illegal_header = true;
        break;
      }
    }
    if (seen_illegal_header) {
      r->cb(&exec_ctx, r->user_data, NULL, 0, GRPC_CREDENTIALS_ERROR,
            "Illegal metadata");
    } else if (num_md > 0) {
      md_array = gpr_malloc(num_md * sizeof(grpc_credentials_md));
      for (i = 0; i < num_md; i++) {
        md_array[i].key = gpr_slice_from_copied_string(md[i].key);
        md_array[i].value =
            gpr_slice_from_copied_buffer(md[i].value, md[i].value_length);
      }
      r->cb(&exec_ctx, r->user_data, md_array, num_md, GRPC_CREDENTIALS_OK,
            NULL);
      for (i = 0; i < num_md; i++) {
        gpr_slice_unref(md_array[i].key);
        gpr_slice_unref(md_array[i].value);
      }
      gpr_free(md_array);
    }
  }
  gpr_free(r);
  grpc_exec_ctx_finish(&exec_ctx);
}
Esempio n. 13
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static void test_bad_audience_claims_failure(void) {
  grpc_jwt_claims *claims;
  gpr_slice s = gpr_slice_from_copied_string(claims_without_time_constraint);
  grpc_json *json = grpc_json_parse_string_with_len(
      (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
  GPR_ASSERT(json != NULL);
  claims = grpc_jwt_claims_from_json(json, s);
  GPR_ASSERT(claims != NULL);
  GPR_ASSERT(grpc_jwt_claims_check(claims, "https://bar.com") ==
             GRPC_JWT_VERIFIER_BAD_AUDIENCE);
  grpc_jwt_claims_destroy(claims);
}
static void reset_addr_and_set_magic_string(struct sockaddr **addr,
                                            size_t *addr_len,
                                            gpr_slice *connect_string) {
  struct sockaddr_in target;
  *connect_string = gpr_slice_from_copied_string(magic_connect_string);
  gpr_free(*addr);
  target.sin_family = AF_INET;
  target.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
  target.sin_port = htons((uint16_t)server_port);
  *addr_len = sizeof(target);
  *addr = (struct sockaddr *)gpr_malloc(sizeof(target));
  memcpy(*addr, &target, sizeof(target));
}
Esempio n. 15
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int byte_buffer_eq_string(grpc_byte_buffer *bb, const char *str) {
  grpc_byte_buffer_reader reader;
  grpc_byte_buffer *rbb;
  int res;

  grpc_byte_buffer_reader_init(&reader, bb);
  rbb = grpc_raw_byte_buffer_from_reader(&reader);
  res = byte_buffer_eq_slice(rbb, gpr_slice_from_copied_string(str));
  grpc_byte_buffer_reader_destroy(&reader);
  grpc_byte_buffer_destroy(rbb);

  return res;
}
Esempio n. 16
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/* Creates and returns a gpr_slice containing random alphanumeric characters. */
static gpr_slice generate_random_slice() {
  size_t i;
  static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890";
  char *output;
  const size_t output_size = 1024 * 1024;
  output = gpr_malloc(output_size);
  for (i = 0; i < output_size - 1; ++i) {
    output[i] = chars[rand() % (int)(sizeof(chars) - 1)];
  }
  output[output_size - 1] = '\0';
  gpr_slice out = gpr_slice_from_copied_string(output);
  gpr_free(output);
  return out;
}
Esempio n. 17
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static void maybe_start_some_streams(
    grpc_chttp2_transport_global *transport_global) {
  grpc_chttp2_stream_global *stream_global;
  /* start streams where we have free grpc_chttp2_stream ids and free
   * concurrency */
  while (transport_global->next_stream_id <= MAX_CLIENT_STREAM_ID &&
         transport_global->concurrent_stream_count <
             transport_global
                 ->settings[GRPC_PEER_SETTINGS]
                           [GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS] &&
         grpc_chttp2_list_pop_waiting_for_concurrency(transport_global,
                                                      &stream_global)) {
    GRPC_CHTTP2_IF_TRACING(gpr_log(
        GPR_DEBUG, "HTTP:%s: Allocating new grpc_chttp2_stream %p to id %d",
        transport_global->is_client ? "CLI" : "SVR", stream_global,
        transport_global->next_stream_id));

    GPR_ASSERT(stream_global->id == 0);
    stream_global->id = transport_global->next_stream_id;
    transport_global->next_stream_id += 2;

    if (transport_global->next_stream_id >= MAX_CLIENT_STREAM_ID) {
      grpc_chttp2_add_incoming_goaway(
          transport_global, GRPC_CHTTP2_NO_ERROR,
          gpr_slice_from_copied_string("Exceeded sequence number limit"));
    }

    stream_global->outgoing_window =
        transport_global->settings[GRPC_PEER_SETTINGS]
                                  [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE];
    stream_global->incoming_window =
        transport_global->settings[GRPC_SENT_SETTINGS]
                                  [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE];
    grpc_chttp2_stream_map_add(
        &TRANSPORT_FROM_GLOBAL(transport_global)->new_stream_map,
        stream_global->id, STREAM_FROM_GLOBAL(stream_global));
    stream_global->in_stream_map = 1;
    transport_global->concurrent_stream_count++;
    grpc_chttp2_list_add_incoming_window_updated(transport_global,
                                                 stream_global);
    grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
  }
  /* cancel out streams that will never be started */
  while (transport_global->next_stream_id >= MAX_CLIENT_STREAM_ID &&
         grpc_chttp2_list_pop_waiting_for_concurrency(transport_global,
                                                      &stream_global)) {
    cancel_from_api(transport_global, stream_global, GRPC_STATUS_UNAVAILABLE);
  }
}
Esempio n. 18
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static void test_succeeds(grpc_slice_split_mode split_mode, char *response,
                          int expect_status, char *expect_body, ...) {
  grpc_httpcli_parser parser;
  gpr_slice input_slice = gpr_slice_from_copied_string(response);
  size_t num_slices;
  size_t i;
  gpr_slice *slices;
  va_list args;

  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
  gpr_slice_unref(input_slice);

  grpc_httpcli_parser_init(&parser);

  for (i = 0; i < num_slices; i++) {
    GPR_ASSERT(grpc_httpcli_parser_parse(&parser, slices[i]));
    gpr_slice_unref(slices[i]);
  }
  GPR_ASSERT(grpc_httpcli_parser_eof(&parser));

  GPR_ASSERT(expect_status == parser.r.status);
  if (expect_body != NULL) {
    GPR_ASSERT(strlen(expect_body) == parser.r.body_length);
    GPR_ASSERT(0 == memcmp(expect_body, parser.r.body, parser.r.body_length));
  } else {
    GPR_ASSERT(parser.r.body_length == 0);
  }

  va_start(args, expect_body);
  i = 0;
  for (;;) {
    char *expect_key;
    char *expect_value;
    expect_key = va_arg(args, char *);
    if (!expect_key) break;
    GPR_ASSERT(i < parser.r.hdr_count);
    expect_value = va_arg(args, char *);
    GPR_ASSERT(expect_value);
    GPR_ASSERT(0 == strcmp(expect_key, parser.r.hdrs[i].key));
    GPR_ASSERT(0 == strcmp(expect_value, parser.r.hdrs[i].value));
    i++;
  }
  va_end(args);
  GPR_ASSERT(i == parser.r.hdr_count);

  grpc_httpcli_parser_destroy(&parser);
  gpr_free(slices);
}
Esempio n. 19
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static void test_claims_success(void) {
  grpc_jwt_claims *claims;
  gpr_slice s = gpr_slice_from_copied_string(claims_without_time_constraint);
  grpc_json *json = grpc_json_parse_string_with_len(
      (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
  GPR_ASSERT(json != NULL);
  claims = grpc_jwt_claims_from_json(json, s);
  GPR_ASSERT(claims != NULL);
  GPR_ASSERT(grpc_jwt_claims_json(claims) == json);
  GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), "https://foo.com") == 0);
  GPR_ASSERT(strcmp(grpc_jwt_claims_issuer(claims), "blah.foo.com") == 0);
  GPR_ASSERT(strcmp(grpc_jwt_claims_subject(claims), "*****@*****.**") == 0);
  GPR_ASSERT(strcmp(grpc_jwt_claims_id(claims), "jwtuniqueid") == 0);
  GPR_ASSERT(grpc_jwt_claims_check(claims, "https://foo.com") ==
             GRPC_JWT_VERIFIER_OK);
  grpc_jwt_claims_destroy(claims);
}
Esempio n. 20
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void grpc_channel_destroy(grpc_channel *channel) {
  grpc_channel_op op;
  grpc_channel_element *elem;

  elem = grpc_channel_stack_element(CHANNEL_STACK_FROM_CHANNEL(channel), 0);

  op.type = GRPC_CHANNEL_GOAWAY;
  op.dir = GRPC_CALL_DOWN;
  op.data.goaway.status = GRPC_STATUS_OK;
  op.data.goaway.message = gpr_slice_from_copied_string("Client disconnect");
  elem->filter->channel_op(elem, NULL, &op);

  op.type = GRPC_CHANNEL_DISCONNECT;
  op.dir = GRPC_CALL_DOWN;
  elem->filter->channel_op(elem, NULL, &op);

  grpc_channel_internal_unref(channel);
}
Esempio n. 21
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/* called from application code */
static void on_md_processing_done(
    void *user_data, const grpc_metadata *consumed_md, size_t num_consumed_md,
    const grpc_metadata *response_md, size_t num_response_md,
    grpc_status_code status, const char *error_details) {
  grpc_call_element *elem = user_data;
  call_data *calld = elem->call_data;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  /* TODO(jboeuf): Implement support for response_md. */
  if (response_md != NULL && num_response_md > 0) {
    gpr_log(GPR_INFO,
            "response_md in auth metadata processing not supported for now. "
            "Ignoring...");
  }

  if (status == GRPC_STATUS_OK) {
    calld->consumed_md = consumed_md;
    calld->num_consumed_md = num_consumed_md;
    grpc_metadata_batch_filter(calld->recv_initial_metadata, remove_consumed_md,
                               elem);
    grpc_metadata_array_destroy(&calld->md);
    calld->on_done_recv->cb(&exec_ctx, calld->on_done_recv->cb_arg, 1);
  } else {
    gpr_slice message;
    grpc_transport_stream_op close_op;
    memset(&close_op, 0, sizeof(close_op));
    grpc_metadata_array_destroy(&calld->md);
    error_details = error_details != NULL
                        ? error_details
                        : "Authentication metadata processing failed.";
    message = gpr_slice_from_copied_string(error_details);
    calld->transport_op.send_initial_metadata = NULL;
    if (calld->transport_op.send_message != NULL) {
      grpc_byte_stream_destroy(calld->transport_op.send_message);
      calld->transport_op.send_message = NULL;
    }
    calld->transport_op.send_trailing_metadata = NULL;
    grpc_transport_stream_op_add_close(&close_op, status, &message);
    grpc_call_next_op(&exec_ctx, elem, &close_op);
    calld->on_done_recv->cb(&exec_ctx, calld->on_done_recv->cb_arg, 0);
  }

  grpc_exec_ctx_finish(&exec_ctx);
}
Esempio n. 22
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static void send_shutdown(grpc_exec_ctx *exec_ctx, grpc_channel *channel,
                          int send_goaway, grpc_error *send_disconnect) {
  grpc_transport_op op;
  struct shutdown_cleanup_args *sc;
  grpc_channel_element *elem;

  memset(&op, 0, sizeof(op));
  op.send_goaway = send_goaway;
  sc = gpr_malloc(sizeof(*sc));
  sc->slice = gpr_slice_from_copied_string("Server shutdown");
  op.goaway_message = &sc->slice;
  op.goaway_status = GRPC_STATUS_OK;
  op.disconnect_with_error = send_disconnect;
  grpc_closure_init(&sc->closure, shutdown_cleanup, sc);
  op.on_consumed = &sc->closure;

  elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0);
  elem->filter->start_transport_op(exec_ctx, elem, &op);
}
Esempio n. 23
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static void test_read_none_compressed_slice(void) {
  gpr_slice slice;
  grpc_byte_buffer *buffer;
  grpc_byte_buffer_reader reader;
  gpr_slice first_slice, second_slice;
  int first_code, second_code;

  LOG_TEST("test_read_none_compressed_slice");
  slice = gpr_slice_from_copied_string("test");
  buffer = grpc_raw_byte_buffer_create(&slice, 1);
  gpr_slice_unref(slice);
  grpc_byte_buffer_reader_init(&reader, buffer);
  first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
  GPR_ASSERT(first_code != 0);
  GPR_ASSERT(memcmp(GPR_SLICE_START_PTR(first_slice), "test", 4) == 0);
  gpr_slice_unref(first_slice);
  second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
  GPR_ASSERT(second_code == 0);
  grpc_byte_buffer_destroy(buffer);
}
Esempio n. 24
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static void on_md_processing_done(void *user_data,
                                  const grpc_metadata *consumed_md,
                                  size_t num_consumed_md, int success) {
  grpc_call_element *elem = user_data;
  call_data *calld = elem->call_data;

  if (success) {
    calld->consumed_md = consumed_md;
    calld->num_consumed_md = num_consumed_md;
    grpc_metadata_batch_filter(&calld->md_op->data.metadata, remove_consumed_md,
                               elem);
    calld->on_done_recv->cb(calld->on_done_recv->cb_arg, success);
  } else {
    gpr_slice message = gpr_slice_from_copied_string(
        "Authentication metadata processing failed.");
    grpc_sopb_reset(calld->recv_ops);
    grpc_transport_stream_op_add_close(&calld->transport_op,
                                       GRPC_STATUS_UNAUTHENTICATED, &message);
    grpc_call_next_op(elem, &calld->transport_op);
  }
}
Esempio n. 25
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// Callback to connect to the backend server specified by the HTTP
// CONNECT request.
static void on_server_connect_done(grpc_exec_ctx* exec_ctx, void* arg,
                                   grpc_error* error) {
  proxy_connection* conn = arg;
  if (error != GRPC_ERROR_NONE) {
    // TODO(roth): Technically, in this case, we should handle the error
    // by returning an HTTP response to the client indicating that the
    // connection failed.  However, for the purposes of this test code,
    // it's fine to pretend this is a client-side error, which will
    // cause the client connection to be dropped.
    proxy_connection_failed(exec_ctx, conn, true /* is_client */,
                            "HTTP proxy server connect", error);
    return;
  }
  // We've established a connection, so send back a 200 response code to
  // the client.
  // The write callback inherits our reference to conn.
  gpr_slice slice =
      gpr_slice_from_copied_string("HTTP/1.0 200 connected\r\n\r\n");
  gpr_slice_buffer_add(&conn->client_write_buffer, slice);
  grpc_endpoint_write(exec_ctx, conn->client_endpoint,
                      &conn->client_write_buffer,
                      &conn->on_write_response_done);
}
Esempio n. 26
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static void plugin_md_request_metadata_ready(void *request,
                                             const grpc_metadata *md,
                                             size_t num_md,
                                             grpc_status_code status,
                                             const char *error_details) {
  /* called from application code */
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  grpc_metadata_plugin_request *r = (grpc_metadata_plugin_request *)request;
  if (status != GRPC_STATUS_OK) {
    if (error_details != NULL) {
      gpr_log(GPR_ERROR, "Getting metadata from plugin failed with error: %s",
              error_details);
    }
    r->cb(&exec_ctx, r->user_data, NULL, 0, GRPC_CREDENTIALS_ERROR);
  } else {
    size_t i;
    grpc_credentials_md *md_array = NULL;
    if (num_md > 0) {
      md_array = gpr_malloc(num_md * sizeof(grpc_credentials_md));
      for (i = 0; i < num_md; i++) {
        md_array[i].key = gpr_slice_from_copied_string(md[i].key);
        md_array[i].value =
            gpr_slice_from_copied_buffer(md[i].value, md[i].value_length);
      }
    }
    r->cb(&exec_ctx, r->user_data, md_array, num_md, GRPC_CREDENTIALS_OK);
    if (md_array != NULL) {
      for (i = 0; i < num_md; i++) {
        gpr_slice_unref(md_array[i].key);
        gpr_slice_unref(md_array[i].value);
      }
      gpr_free(md_array);
    }
  }
  gpr_free(r);
  grpc_exec_ctx_finish(&exec_ctx);
}
Esempio n. 27
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// Start transport stream op.
static void start_transport_stream_op(grpc_exec_ctx* exec_ctx,
                                      grpc_call_element* elem,
                                      grpc_transport_stream_op* op) {
  call_data* calld = elem->call_data;
  // Check max send message size.
  if (op->send_message != NULL && calld->max_send_size >= 0 &&
      op->send_message->length > (size_t)calld->max_send_size) {
    char* message_string;
    gpr_asprintf(&message_string, "Sent message larger than max (%u vs. %d)",
                 op->send_message->length, calld->max_send_size);
    gpr_slice message = gpr_slice_from_copied_string(message_string);
    gpr_free(message_string);
    grpc_call_element_send_close_with_message(
        exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT, &message);
  }
  // Inject callback for receiving a message.
  if (op->recv_message_ready != NULL) {
    calld->next_recv_message_ready = op->recv_message_ready;
    calld->recv_message = op->recv_message;
    op->recv_message_ready = &calld->recv_message_ready;
  }
  // Chain to the next filter.
  grpc_call_next_op(exec_ctx, elem, op);
}
Esempio n. 28
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static void finish_shutdown_channel(void *p, int success) {
  shutdown_channel_args *sca = p;
  grpc_channel_op op;

  if (sca->send_goaway) {
    op.type = GRPC_CHANNEL_GOAWAY;
    op.dir = GRPC_CALL_DOWN;
    op.data.goaway.status = GRPC_STATUS_OK;
    op.data.goaway.message = gpr_slice_from_copied_string("Server shutdown");
    channel_op(grpc_channel_stack_element(
                   grpc_channel_get_channel_stack(sca->chand->channel), 0),
               NULL, &op);
  }
  if (sca->send_disconnect) {
    op.type = GRPC_CHANNEL_DISCONNECT;
    op.dir = GRPC_CALL_DOWN;
    channel_op(grpc_channel_stack_element(
                   grpc_channel_get_channel_stack(sca->chand->channel), 0),
               NULL, &op);
  }
  GRPC_CHANNEL_INTERNAL_UNREF(sca->chand->channel, "shutdown");

  gpr_free(sca);
}
Esempio n. 29
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static void test_expired_claims_failure(void) {
  grpc_jwt_claims *claims;
  gpr_slice s = gpr_slice_from_copied_string(expired_claims);
  grpc_json *json = grpc_json_parse_string_with_len(
      (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
  gpr_timespec exp_iat = {100, 0, GPR_CLOCK_REALTIME};
  gpr_timespec exp_exp = {120, 0, GPR_CLOCK_REALTIME};
  gpr_timespec exp_nbf = {60, 0, GPR_CLOCK_REALTIME};
  GPR_ASSERT(json != NULL);
  claims = grpc_jwt_claims_from_json(json, s);
  GPR_ASSERT(claims != NULL);
  GPR_ASSERT(grpc_jwt_claims_json(claims) == json);
  GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), "https://foo.com") == 0);
  GPR_ASSERT(strcmp(grpc_jwt_claims_issuer(claims), "blah.foo.com") == 0);
  GPR_ASSERT(strcmp(grpc_jwt_claims_subject(claims), "*****@*****.**") == 0);
  GPR_ASSERT(strcmp(grpc_jwt_claims_id(claims), "jwtuniqueid") == 0);
  GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_issued_at(claims), exp_iat) == 0);
  GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_expires_at(claims), exp_exp) == 0);
  GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_not_before(claims), exp_nbf) == 0);

  GPR_ASSERT(grpc_jwt_claims_check(claims, "https://foo.com") ==
             GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE);
  grpc_jwt_claims_destroy(claims);
}
Esempio n. 30
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static void init_transport(grpc_chttp2_transport *t,
                           grpc_transport_setup_callback setup, void *arg,
                           const grpc_channel_args *channel_args,
                           grpc_endpoint *ep, gpr_slice *slices, size_t nslices,
                           grpc_mdctx *mdctx, int is_client) {
  size_t i;
  int j;
  grpc_transport_setup_result sr;

  GPR_ASSERT(strlen(GRPC_CHTTP2_CLIENT_CONNECT_STRING) ==
             GRPC_CHTTP2_CLIENT_CONNECT_STRLEN);

  memset(t, 0, sizeof(*t));

  t->base.vtable = &vtable;
  t->ep = ep;
  /* one ref is for destroy, the other for when ep becomes NULL */
  gpr_ref_init(&t->refs, 2);
  gpr_mu_init(&t->mu);
  grpc_mdctx_ref(mdctx);
  t->metadata_context = mdctx;
  t->endpoint_reading = 1;
  t->global.error_state = GRPC_CHTTP2_ERROR_STATE_NONE;
  t->global.next_stream_id = is_client ? 1 : 2;
  t->global.is_client = is_client;
  t->global.outgoing_window = DEFAULT_WINDOW;
  t->global.incoming_window = DEFAULT_WINDOW;
  t->global.connection_window_target = DEFAULT_CONNECTION_WINDOW_TARGET;
  t->global.ping_counter = 1;
  t->global.pings.next = t->global.pings.prev = &t->global.pings;
  t->parsing.is_client = is_client;
  t->parsing.str_grpc_timeout =
      grpc_mdstr_from_string(t->metadata_context, "grpc-timeout");
  t->parsing.deframe_state =
      is_client ? GRPC_DTS_FH_0 : GRPC_DTS_CLIENT_PREFIX_0;
  t->writing.is_client = is_client;

  gpr_slice_buffer_init(&t->global.qbuf);

  gpr_slice_buffer_init(&t->writing.outbuf);
  grpc_chttp2_hpack_compressor_init(&t->writing.hpack_compressor, mdctx);
  grpc_iomgr_closure_init(&t->writing_action, writing_action, t);
  grpc_iomgr_closure_init(&t->reading_action, reading_action, t);

  gpr_slice_buffer_init(&t->parsing.qbuf);
  grpc_chttp2_goaway_parser_init(&t->parsing.goaway_parser);
  grpc_chttp2_hpack_parser_init(&t->parsing.hpack_parser, t->metadata_context);

  grpc_iomgr_closure_init(&t->channel_callback.notify_closed, notify_closed, t);
  if (is_client) {
    gpr_slice_buffer_add(
        &t->global.qbuf,
        gpr_slice_from_copied_string(GRPC_CHTTP2_CLIENT_CONNECT_STRING));
  }
  /* 8 is a random stab in the dark as to a good initial size: it's small enough
     that it shouldn't waste memory for infrequently used connections, yet
     large enough that the exponential growth should happen nicely when it's
     needed.
     TODO(ctiller): tune this */
  grpc_chttp2_stream_map_init(&t->parsing_stream_map, 8);
  grpc_chttp2_stream_map_init(&t->new_stream_map, 8);

  /* copy in initial settings to all setting sets */
  for (i = 0; i < GRPC_CHTTP2_NUM_SETTINGS; i++) {
    t->parsing.settings[i] = grpc_chttp2_settings_parameters[i].default_value;
    for (j = 0; j < GRPC_NUM_SETTING_SETS; j++) {
      t->global.settings[j][i] =
          grpc_chttp2_settings_parameters[i].default_value;
    }
  }
  t->global.dirtied_local_settings = 1;
  /* Hack: it's common for implementations to assume 65536 bytes initial send
     window -- this should by rights be 0 */
  t->global.force_send_settings = 1 << GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE;
  t->global.sent_local_settings = 0;

  /* configure http2 the way we like it */
  if (is_client) {
    push_setting(t, GRPC_CHTTP2_SETTINGS_ENABLE_PUSH, 0);
    push_setting(t, GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 0);
  }
  push_setting(t, GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, DEFAULT_WINDOW);

  if (channel_args) {
    for (i = 0; i < channel_args->num_args; i++) {
      if (0 ==
          strcmp(channel_args->args[i].key, GRPC_ARG_MAX_CONCURRENT_STREAMS)) {
        if (is_client) {
          gpr_log(GPR_ERROR, "%s: is ignored on the client",
                  GRPC_ARG_MAX_CONCURRENT_STREAMS);
        } else if (channel_args->args[i].type != GRPC_ARG_INTEGER) {
          gpr_log(GPR_ERROR, "%s: must be an integer",
                  GRPC_ARG_MAX_CONCURRENT_STREAMS);
        } else {
          push_setting(t, GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS,
                       channel_args->args[i].value.integer);
        }
      } else if (0 == strcmp(channel_args->args[i].key,
                             GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER)) {
        if (channel_args->args[i].type != GRPC_ARG_INTEGER) {
          gpr_log(GPR_ERROR, "%s: must be an integer",
                  GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER);
        } else if ((t->global.next_stream_id & 1) !=
                   (channel_args->args[i].value.integer & 1)) {
          gpr_log(GPR_ERROR, "%s: low bit must be %d on %s",
                  GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER,
                  t->global.next_stream_id & 1,
                  is_client ? "client" : "server");
        } else {
          t->global.next_stream_id = channel_args->args[i].value.integer;
        }
      }
    }
  }

  gpr_mu_lock(&t->mu);
  t->channel_callback.executing = 1;
  REF_TRANSPORT(t, "init"); /* matches unref at end of this function */
  gpr_mu_unlock(&t->mu);

  sr = setup(arg, &t->base, t->metadata_context);

  lock(t);
  t->channel_callback.cb = sr.callbacks;
  t->channel_callback.cb_user_data = sr.user_data;
  t->channel_callback.executing = 0;
  unlock(t);

  REF_TRANSPORT(t, "recv_data"); /* matches unref inside recv_data */
  recv_data(t, slices, nslices, GRPC_ENDPOINT_CB_OK);

  UNREF_TRANSPORT(t, "init");
}