src/journal/test-journal-stream.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <fcntl.h>
   4 #include <unistd.h>
   5
   6 #include "sd-journal.h"
   7
   8 #include "alloc-util.h"
   9 #include "chattr-util.h"
  10 #include "journal-file.h"
  11 #include "journal-internal.h"
  12 #include "log.h"
  13 #include "macro.h"
  14 #include "parse-util.h"
  15 #include "rm-rf.h"
  16 #include "tests.h"
  17 #include "util.h"
  18
  19 #define N_ENTRIES 200
  20
  21 static void verify_contents(sd_journal *j, unsigned skip) {
  22         unsigned i;
  23
  24         assert_se(j);
  25
  26         i = 0;
  27         SD_JOURNAL_FOREACH(j) {
  28                 const void *d;
  29                 char *k, *c;
  30                 size_t l;
  31                 unsigned u = 0;
  32
  33                 assert_se(sd_journal_get_cursor(j, &k) >= 0);
  34                 printf("cursor: %s\n", k);
  35                 free(k);
  36
  37                 assert_se(sd_journal_get_data(j, "MAGIC", &d, &l) >= 0);
  38                 printf("\t%.*s\n", (int) l, (const char*) d);
  39
  40                 assert_se(sd_journal_get_data(j, "NUMBER", &d, &l) >= 0);
  41                 assert_se(k = strndup(d, l));
  42                 printf("\t%s\n", k);
  43
  44                 if (skip > 0) {
  45                         assert_se(safe_atou(k + 7, &u) >= 0);
  46                         assert_se(i == u);
  47                         i += skip;
  48                 }
  49
  50                 free(k);
  51
  52                 assert_se(sd_journal_get_cursor(j, &c) >= 0);
  53                 assert_se(sd_journal_test_cursor(j, c) > 0);
  54                 free(c);
  55         }
  56
  57         if (skip > 0)
  58                 assert_se(i == N_ENTRIES);
  59 }
  60
  61 int main(int argc, char *argv[]) {
  62         JournalFile *one, *two, *three;
  63         char t[] = "/var/tmp/journal-stream-XXXXXX";
  64         unsigned i;
  65         _cleanup_(sd_journal_closep) sd_journal *j = NULL;
  66         char *z;
  67         const void *data;
  68         size_t l;
  69         dual_timestamp previous_ts = DUAL_TIMESTAMP_NULL;
  70
  71         /* journal_file_open requires a valid machine id */
  72         if (access("/etc/machine-id", F_OK) != 0)
  73                 return log_tests_skipped("/etc/machine-id not found");
  74
  75         test_setup_logging(LOG_DEBUG);
  76
  77         assert_se(mkdtemp(t));
  78         assert_se(chdir(t) >= 0);
  79         (void) chattr_path(t, FS_NOCOW_FL, FS_NOCOW_FL, NULL);
  80
  81         assert_se(journal_file_open(-1, "one.journal", O_RDWR|O_CREAT, 0666, true, (uint64_t) -1, false, NULL, NULL, NULL, NULL, &one) == 0);
  82         assert_se(journal_file_open(-1, "two.journal", O_RDWR|O_CREAT, 0666, true, (uint64_t) -1, false, NULL, NULL, NULL, NULL, &two) == 0);
  83         assert_se(journal_file_open(-1, "three.journal", O_RDWR|O_CREAT, 0666, true, (uint64_t) -1, false, NULL, NULL, NULL, NULL, &three) == 0);
  84
  85         for (i = 0; i < N_ENTRIES; i++) {
  86                 char *p, *q;
  87                 dual_timestamp ts;
  88                 struct iovec iovec[2];
  89
  90                 dual_timestamp_get(&ts);
  91
  92                 if (ts.monotonic <= previous_ts.monotonic)
  93                         ts.monotonic = previous_ts.monotonic + 1;
  94
  95                 if (ts.realtime <= previous_ts.realtime)
  96                         ts.realtime = previous_ts.realtime + 1;
  97
  98                 previous_ts = ts;
  99
 100                 assert_se(asprintf(&p, "NUMBER=%u", i) >= 0);
 101                 iovec[0].iov_base = p;
 102                 iovec[0].iov_len = strlen(p);
 103
 104                 assert_se(asprintf(&q, "MAGIC=%s", i % 5 == 0 ? "quux" : "waldo") >= 0);
 105
 106                 iovec[1].iov_base = q;
 107                 iovec[1].iov_len = strlen(q);
 108
 109                 if (i % 10 == 0)
 110                         assert_se(journal_file_append_entry(three, &ts, NULL, iovec, 2, NULL, NULL, NULL) == 0);
 111                 else {
 112                         if (i % 3 == 0)
 113                                 assert_se(journal_file_append_entry(two, &ts, NULL, iovec, 2, NULL, NULL, NULL) == 0);
 114
 115                         assert_se(journal_file_append_entry(one, &ts, NULL, iovec, 2, NULL, NULL, NULL) == 0);
 116                 }
 117
 118                 free(p);
 119                 free(q);
 120         }
 121
 122         (void) journal_file_close(one);
 123         (void) journal_file_close(two);
 124         (void) journal_file_close(three);
 125
 126         assert_se(sd_journal_open_directory(&j, t, 0) >= 0);
 127
 128         assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0);
 129         SD_JOURNAL_FOREACH_BACKWARDS(j) {
 130                 _cleanup_free_ char *c;
 131
 132                 assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0);
 133                 printf("\t%.*s\n", (int) l, (const char*) data);
 134
 135                 assert_se(sd_journal_get_cursor(j, &c) >= 0);
 136                 assert_se(sd_journal_test_cursor(j, c) > 0);
 137         }
 138
 139         SD_JOURNAL_FOREACH(j) {
 140                 _cleanup_free_ char *c;
 141
 142                 assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0);
 143                 printf("\t%.*s\n", (int) l, (const char*) data);
 144
 145                 assert_se(sd_journal_get_cursor(j, &c) >= 0);
 146                 assert_se(sd_journal_test_cursor(j, c) > 0);
 147         }
 148
 149         sd_journal_flush_matches(j);
 150
 151         verify_contents(j, 1);
 152
 153         printf("NEXT TEST\n");
 154         assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0);
 155
 156         assert_se(z = journal_make_match_string(j));
 157         printf("resulting match expression is: %s\n", z);
 158         free(z);
 159
 160         verify_contents(j, 5);
 161
 162         printf("NEXT TEST\n");
 163         sd_journal_flush_matches(j);
 164         assert_se(sd_journal_add_match(j, "MAGIC=waldo", 0) >= 0);
 165         assert_se(sd_journal_add_match(j, "NUMBER=10", 0) >= 0);
 166         assert_se(sd_journal_add_match(j, "NUMBER=11", 0) >= 0);
 167         assert_se(sd_journal_add_match(j, "NUMBER=12", 0) >= 0);
 168
 169         assert_se(z = journal_make_match_string(j));
 170         printf("resulting match expression is: %s\n", z);
 171         free(z);
 172
 173         verify_contents(j, 0);
 174
 175         assert_se(sd_journal_query_unique(j, "NUMBER") >= 0);
 176         SD_JOURNAL_FOREACH_UNIQUE(j, data, l)
 177                 printf("%.*s\n", (int) l, (const char*) data);
 178
 179         assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
 180
 181         return 0;
 182 }