test_relay.c 3.4 KB

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  1. /* Copyright (c) 2014-2015, The Tor Project, Inc. */
  2. /* See LICENSE for licensing information */
  3. #include "or.h"
  4. #define CIRCUITBUILD_PRIVATE
  5. #include "circuitbuild.h"
  6. #define RELAY_PRIVATE
  7. #include "relay.h"
  8. /* For init/free stuff */
  9. #include "scheduler.h"
  10. /* Test suite stuff */
  11. #include "test.h"
  12. #include "fakechans.h"
  13. static or_circuit_t * new_fake_orcirc(channel_t *nchan, channel_t *pchan);
  14. static void test_relay_append_cell_to_circuit_queue(void *arg);
  15. static or_circuit_t *
  16. new_fake_orcirc(channel_t *nchan, channel_t *pchan)
  17. {
  18. or_circuit_t *orcirc = NULL;
  19. circuit_t *circ = NULL;
  20. orcirc = tor_malloc_zero(sizeof(*orcirc));
  21. circ = &(orcirc->base_);
  22. circ->magic = OR_CIRCUIT_MAGIC;
  23. circ->n_chan = nchan;
  24. circ->n_circ_id = get_unique_circ_id_by_chan(nchan);
  25. circ->n_mux = NULL; /* ?? */
  26. cell_queue_init(&(circ->n_chan_cells));
  27. circ->n_hop = NULL;
  28. circ->streams_blocked_on_n_chan = 0;
  29. circ->streams_blocked_on_p_chan = 0;
  30. circ->n_delete_pending = 0;
  31. circ->p_delete_pending = 0;
  32. circ->received_destroy = 0;
  33. circ->state = CIRCUIT_STATE_OPEN;
  34. circ->purpose = CIRCUIT_PURPOSE_OR;
  35. circ->package_window = CIRCWINDOW_START_MAX;
  36. circ->deliver_window = CIRCWINDOW_START_MAX;
  37. circ->n_chan_create_cell = NULL;
  38. orcirc->p_chan = pchan;
  39. orcirc->p_circ_id = get_unique_circ_id_by_chan(pchan);
  40. cell_queue_init(&(orcirc->p_chan_cells));
  41. return orcirc;
  42. }
  43. static void
  44. test_relay_append_cell_to_circuit_queue(void *arg)
  45. {
  46. channel_t *nchan = NULL, *pchan = NULL;
  47. or_circuit_t *orcirc = NULL;
  48. cell_t *cell = NULL;
  49. int old_count, new_count;
  50. (void)arg;
  51. /* Make fake channels to be nchan and pchan for the circuit */
  52. nchan = new_fake_channel();
  53. tt_assert(nchan);
  54. pchan = new_fake_channel();
  55. tt_assert(pchan);
  56. /* We'll need chans with working cmuxes */
  57. nchan->cmux = circuitmux_alloc();
  58. pchan->cmux = circuitmux_alloc();
  59. /* Make a fake orcirc */
  60. orcirc = new_fake_orcirc(nchan, pchan);
  61. tt_assert(orcirc);
  62. /* Make a cell */
  63. cell = tor_malloc_zero(sizeof(cell_t));
  64. make_fake_cell(cell);
  65. MOCK(scheduler_channel_has_waiting_cells,
  66. scheduler_channel_has_waiting_cells_mock);
  67. /* Append it */
  68. old_count = get_mock_scheduler_has_waiting_cells_count();
  69. append_cell_to_circuit_queue(TO_CIRCUIT(orcirc), nchan, cell,
  70. CELL_DIRECTION_OUT, 0);
  71. new_count = get_mock_scheduler_has_waiting_cells_count();
  72. tt_int_op(new_count, ==, old_count + 1);
  73. /* Now try the reverse direction */
  74. old_count = get_mock_scheduler_has_waiting_cells_count();
  75. append_cell_to_circuit_queue(TO_CIRCUIT(orcirc), pchan, cell,
  76. CELL_DIRECTION_IN, 0);
  77. new_count = get_mock_scheduler_has_waiting_cells_count();
  78. tt_int_op(new_count, ==, old_count + 1);
  79. UNMOCK(scheduler_channel_has_waiting_cells);
  80. /* Get rid of the fake channels */
  81. MOCK(scheduler_release_channel, scheduler_release_channel_mock);
  82. channel_mark_for_close(nchan);
  83. channel_mark_for_close(pchan);
  84. UNMOCK(scheduler_release_channel);
  85. /* Shut down channels */
  86. channel_free_all();
  87. done:
  88. tor_free(cell);
  89. cell_queue_clear(&orcirc->base_.n_chan_cells);
  90. cell_queue_clear(&orcirc->p_chan_cells);
  91. tor_free(orcirc);
  92. free_fake_channel(nchan);
  93. free_fake_channel(pchan);
  94. return;
  95. }
  96. struct testcase_t relay_tests[] = {
  97. { "append_cell_to_circuit_queue", test_relay_append_cell_to_circuit_queue,
  98. TT_FORK, NULL, NULL },
  99. END_OF_TESTCASES
  100. };