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 "journal-file.h"
  10 #include "journal-internal.h"
  11 #include "log.h"
  12 #include "macro.h"
  13 #include "parse-util.h"
  14 #include "rm-rf.h"
  15 #include "util.h"
  16
  17 #define N_ENTRIES 200
  18
  19 static void verify_contents(sd_journal *j, unsigned skip) {
  20         unsigned i;
  21
  22         assert_se(j);
  23
  24         i = 0;
  25         SD_JOURNAL_FOREACH(j) {
  26                 const void *d;
  27                 char *k, *c;
  28                 size_t l;
  29                 unsigned u = 0;
  30
  31                 assert_se(sd_journal_get_cursor(j, &k) >= 0);
  32                 printf("cursor: %s\n", k);
  33                 free(k);
  34
  35                 assert_se(sd_journal_get_data(j, "MAGIC", &d, &l) >= 0);
  36                 printf("\t%.*s\n", (int) l, (const char*) d);
  37
  38                 assert_se(sd_journal_get_data(j, "NUMBER", &d, &l) >= 0);
  39                 assert_se(k = strndup(d, l));
  40                 printf("\t%s\n", k);
  41
  42                 if (skip > 0) {
  43                         assert_se(safe_atou(k + 7, &u) >= 0);
  44                         assert_se(i == u);
  45                         i += skip;
  46                 }
  47
  48                 free(k);
  49
  50                 assert_se(sd_journal_get_cursor(j, &c) >= 0);
  51                 assert_se(sd_journal_test_cursor(j, c) > 0);
  52                 free(c);
  53         }
  54
  55         if (skip > 0)
  56                 assert_se(i == N_ENTRIES);
  57 }
  58
  59 int main(int argc, char *argv[]) {
  60         JournalFile *one, *two, *three;
  61         char t[] = "/tmp/journal-stream-XXXXXX";
  62         unsigned i;
  63         _cleanup_(sd_journal_closep) sd_journal *j = NULL;
  64         char *z;
  65         const void *data;
  66         size_t l;
  67         dual_timestamp previous_ts = DUAL_TIMESTAMP_NULL;
  68
  69         /* journal_file_open requires a valid machine id */
  70         if (access("/etc/machine-id", F_OK) != 0)
  71                 return EXIT_TEST_SKIP;
  72
  73         log_set_max_level(LOG_DEBUG);
  74
  75         assert_se(mkdtemp(t));
  76         assert_se(chdir(t) >= 0);
  77
  78         assert_se(journal_file_open(-1, "one.journal", O_RDWR|O_CREAT, 0666, true, (uint64_t) -1, false, NULL, NULL, NULL, NULL, &one) == 0);
  79         assert_se(journal_file_open(-1, "two.journal", O_RDWR|O_CREAT, 0666, true, (uint64_t) -1, false, NULL, NULL, NULL, NULL, &two) == 0);
  80         assert_se(journal_file_open(-1, "three.journal", O_RDWR|O_CREAT, 0666, true, (uint64_t) -1, false, NULL, NULL, NULL, NULL, &three) == 0);
  81
  82         for (i = 0; i < N_ENTRIES; i++) {
  83                 char *p, *q;
  84                 dual_timestamp ts;
  85                 struct iovec iovec[2];
  86
  87                 dual_timestamp_get(&ts);
  88
  89                 if (ts.monotonic <= previous_ts.monotonic)
  90                         ts.monotonic = previous_ts.monotonic + 1;
  91
  92                 if (ts.realtime <= previous_ts.realtime)
  93                         ts.realtime = previous_ts.realtime + 1;
  94
  95                 previous_ts = ts;
  96
  97                 assert_se(asprintf(&p, "NUMBER=%u", i) >= 0);
  98                 iovec[0].iov_base = p;
  99                 iovec[0].iov_len = strlen(p);
 100
 101                 assert_se(asprintf(&q, "MAGIC=%s", i % 5 == 0 ? "quux" : "waldo") >= 0);
 102
 103                 iovec[1].iov_base = q;
 104                 iovec[1].iov_len = strlen(q);
 105
 106                 if (i % 10 == 0)
 107                         assert_se(journal_file_append_entry(three, &ts, NULL, iovec, 2, NULL, NULL, NULL) == 0);
 108                 else {
 109                         if (i % 3 == 0)
 110                                 assert_se(journal_file_append_entry(two, &ts, NULL, iovec, 2, NULL, NULL, NULL) == 0);
 111
 112                         assert_se(journal_file_append_entry(one, &ts, NULL, iovec, 2, NULL, NULL, NULL) == 0);
 113                 }
 114
 115                 free(p);
 116                 free(q);
 117         }
 118
 119         (void) journal_file_close(one);
 120         (void) journal_file_close(two);
 121         (void) journal_file_close(three);
 122
 123         assert_se(sd_journal_open_directory(&j, t, 0) >= 0);
 124
 125         assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0);
 126         SD_JOURNAL_FOREACH_BACKWARDS(j) {
 127                 _cleanup_free_ char *c;
 128
 129                 assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0);
 130                 printf("\t%.*s\n", (int) l, (const char*) data);
 131
 132                 assert_se(sd_journal_get_cursor(j, &c) >= 0);
 133                 assert_se(sd_journal_test_cursor(j, c) > 0);
 134         }
 135
 136         SD_JOURNAL_FOREACH(j) {
 137                 _cleanup_free_ char *c;
 138
 139                 assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0);
 140                 printf("\t%.*s\n", (int) l, (const char*) data);
 141
 142                 assert_se(sd_journal_get_cursor(j, &c) >= 0);
 143                 assert_se(sd_journal_test_cursor(j, c) > 0);
 144         }
 145
 146         sd_journal_flush_matches(j);
 147
 148         verify_contents(j, 1);
 149
 150         printf("NEXT TEST\n");
 151         assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0);
 152
 153         assert_se(z = journal_make_match_string(j));
 154         printf("resulting match expression is: %s\n", z);
 155         free(z);
 156
 157         verify_contents(j, 5);
 158
 159         printf("NEXT TEST\n");
 160         sd_journal_flush_matches(j);
 161         assert_se(sd_journal_add_match(j, "MAGIC=waldo", 0) >= 0);
 162         assert_se(sd_journal_add_match(j, "NUMBER=10", 0) >= 0);
 163         assert_se(sd_journal_add_match(j, "NUMBER=11", 0) >= 0);
 164         assert_se(sd_journal_add_match(j, "NUMBER=12", 0) >= 0);
 165
 166         assert_se(z = journal_make_match_string(j));
 167         printf("resulting match expression is: %s\n", z);
 168         free(z);
 169
 170         verify_contents(j, 0);
 171
 172         assert_se(sd_journal_query_unique(j, "NUMBER") >= 0);
 173         SD_JOURNAL_FOREACH_UNIQUE(j, data, l)
 174                 printf("%.*s\n", (int) l, (const char*) data);
 175
 176         assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
 177
 178         return 0;
 179 }