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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | // SPDX-License-Identifier: GPL-2.0 #include <api/fd/array.h> #include <poll.h> #include "util/debug.h" #include "tests/tests.h" static void fdarray__init_revents(struct fdarray *fda, short revents) { int fd; fda->nr = fda->nr_alloc; for (fd = 0; fd < fda->nr; ++fd) { fda->entries[fd].fd = fda->nr - fd; fda->entries[fd].events = revents; fda->entries[fd].revents = revents; } } static int fdarray__fprintf_prefix(struct fdarray *fda, const char *prefix, FILE *fp) { int printed = 0; if (verbose <= 0) return 0; printed += fprintf(fp, "\n%s: ", prefix); return printed + fdarray__fprintf(fda, fp); } static int test__fdarray__filter(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { int nr_fds, err = TEST_FAIL; struct fdarray *fda = fdarray__new(5, 5); if (fda == NULL) { pr_debug("\nfdarray__new() failed!"); goto out; } fdarray__init_revents(fda, POLLIN); nr_fds = fdarray__filter(fda, POLLHUP, NULL, NULL); if (nr_fds != fda->nr_alloc) { pr_debug("\nfdarray__filter()=%d != %d shouldn't have filtered anything", nr_fds, fda->nr_alloc); goto out_delete; } fdarray__init_revents(fda, POLLHUP); nr_fds = fdarray__filter(fda, POLLHUP, NULL, NULL); if (nr_fds != 0) { pr_debug("\nfdarray__filter()=%d != %d, should have filtered all fds", nr_fds, fda->nr_alloc); goto out_delete; } fdarray__init_revents(fda, POLLHUP); fda->entries[2].revents = POLLIN; pr_debug("\nfiltering all but fda->entries[2]:"); fdarray__fprintf_prefix(fda, "before", stderr); nr_fds = fdarray__filter(fda, POLLHUP, NULL, NULL); fdarray__fprintf_prefix(fda, " after", stderr); if (nr_fds != 1) { pr_debug("\nfdarray__filter()=%d != 1, should have left just one event", nr_fds); goto out_delete; } fdarray__init_revents(fda, POLLHUP); fda->entries[0].revents = POLLIN; fda->entries[3].revents = POLLIN; pr_debug("\nfiltering all but (fda->entries[0], fda->entries[3]):"); fdarray__fprintf_prefix(fda, "before", stderr); nr_fds = fdarray__filter(fda, POLLHUP, NULL, NULL); fdarray__fprintf_prefix(fda, " after", stderr); if (nr_fds != 2) { pr_debug("\nfdarray__filter()=%d != 2, should have left just two events", nr_fds); goto out_delete; } pr_debug("\n"); err = 0; out_delete: fdarray__delete(fda); out: return err; } static int test__fdarray__add(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { int err = TEST_FAIL; struct fdarray *fda = fdarray__new(2, 2); if (fda == NULL) { pr_debug("\nfdarray__new() failed!"); goto out; } #define FDA_CHECK(_idx, _fd, _revents) \ if (fda->entries[_idx].fd != _fd) { \ pr_debug("\n%d: fda->entries[%d](%d) != %d!", \ __LINE__, _idx, fda->entries[1].fd, _fd); \ goto out_delete; \ } \ if (fda->entries[_idx].events != (_revents)) { \ pr_debug("\n%d: fda->entries[%d].revents(%d) != %d!", \ __LINE__, _idx, fda->entries[_idx].fd, _revents); \ goto out_delete; \ } #define FDA_ADD(_idx, _fd, _revents, _nr) \ if (fdarray__add(fda, _fd, _revents, fdarray_flag__default) < 0) { \ pr_debug("\n%d: fdarray__add(fda, %d, %d) failed!", \ __LINE__,_fd, _revents); \ goto out_delete; \ } \ if (fda->nr != _nr) { \ pr_debug("\n%d: fdarray__add(fda, %d, %d)=%d != %d", \ __LINE__,_fd, _revents, fda->nr, _nr); \ goto out_delete; \ } \ FDA_CHECK(_idx, _fd, _revents) FDA_ADD(0, 1, POLLIN, 1); FDA_ADD(1, 2, POLLERR, 2); fdarray__fprintf_prefix(fda, "before growing array", stderr); FDA_ADD(2, 35, POLLHUP, 3); if (fda->entries == NULL) { pr_debug("\nfdarray__add(fda, 35, POLLHUP) should have allocated fda->pollfd!"); goto out_delete; } fdarray__fprintf_prefix(fda, "after 3rd add", stderr); FDA_ADD(3, 88, POLLIN | POLLOUT, 4); fdarray__fprintf_prefix(fda, "after 4th add", stderr); FDA_CHECK(0, 1, POLLIN); FDA_CHECK(1, 2, POLLERR); FDA_CHECK(2, 35, POLLHUP); FDA_CHECK(3, 88, POLLIN | POLLOUT); #undef FDA_ADD #undef FDA_CHECK pr_debug("\n"); err = 0; out_delete: fdarray__delete(fda); out: return err; } DEFINE_SUITE("Filter fds with revents mask in a fdarray", fdarray__filter); DEFINE_SUITE("Add fd to a fdarray, making it autogrow", fdarray__add); |