diff options
-rw-r--r-- | src/journal/catalog.c | 146 | ||||
-rw-r--r-- | src/journal/catalog.h | 2 | ||||
-rw-r--r-- | src/journal/test-catalog.c | 14 |
3 files changed, 116 insertions, 46 deletions
diff --git a/src/journal/catalog.c b/src/journal/catalog.c index fcaa54aa0c..ddec6bd503 100644 --- a/src/journal/catalog.c +++ b/src/journal/catalog.c @@ -94,25 +94,87 @@ const struct hash_ops catalog_hash_ops = { .compare = catalog_compare_func }; +static bool next_header(const char **s) { + const char *e; + + e = strchr(*s, '\n'); + + /* Unexpected end */ + if (!e) + return false; + + /* End of headers */ + if (e == *s) + return false; + + *s = e + 1; + return true; +} + +static const char *skip_header(const char *s) { + while (next_header(&s)) + ; + return s; +} + +static char *combine_entries(const char *one, const char *two) { + const char *b1, *b2; + size_t l1, l2, n; + char *dest, *p; + + /* Find split point of headers to body */ + b1 = skip_header(one); + b2 = skip_header(two); + + l1 = strlen(one); + l2 = strlen(two); + dest = new(char, l1 + l2 + 1); + if (!dest) { + log_oom(); + return NULL; + } + + p = dest; + + /* Headers from @one */ + n = b1 - one; + p = mempcpy(p, one, n); + + /* Headers from @two, these will only be found if not present above */ + n = b2 - two; + p = mempcpy(p, two, n); + + /* Body from @one */ + n = l1 - (b1 - one); + if (n > 0) { + memcpy(p, b1, n); + p += n; + + /* Body from @two */ + } else { + n = l2 - (b2 - two); + memcpy(p, b2, n); + p += n; + } + + assert(p - dest <= (ptrdiff_t)(l1 + l2)); + p[0] = '\0'; + return dest; +} + static int finish_item( Hashmap *h, - struct strbuf *sb, sd_id128_t id, const char *language, - const char *payload) { + char *payload) { - ssize_t offset; _cleanup_free_ CatalogItem *i = NULL; + _cleanup_free_ char *combined = NULL, *prev = NULL; int r; assert(h); - assert(sb); assert(payload); - offset = strbuf_add_string(sb, payload, strlen(payload)); - if (offset < 0) - return log_oom(); - i = new0(CatalogItem, 1); if (!i) return log_oom(); @@ -122,17 +184,27 @@ static int finish_item( assert(strlen(language) > 1 && strlen(language) < 32); strcpy(i->language, language); } - i->offset = htole64((uint64_t) offset); - r = hashmap_put(h, i, i); - if (r == -EEXIST) { - log_warning("Duplicate entry for " SD_ID128_FORMAT_STR ".%s, ignoring.", - SD_ID128_FORMAT_VAL(id), language ? language : "C"); - return 0; - } else if (r < 0) - return r; + prev = hashmap_get(h, i); + + /* Already have such an item, combine them */ + if (prev) { + combined = combine_entries(payload, prev); + if (!combined) + return log_oom(); + r = hashmap_update(h, i, combined); + if (r < 0) + return r; + combined = NULL; + + /* A new item */ + } else { + r = hashmap_put(h, i, payload); + if (r < 0) + return r; + i = NULL; + } - i = NULL; return 0; } @@ -189,7 +261,7 @@ static int catalog_entry_lang(const char* filename, int line, return 0; } -int catalog_import_file(Hashmap *h, struct strbuf *sb, const char *path) { +int catalog_import_file(Hashmap *h, const char *path) { _cleanup_fclose_ FILE *f = NULL; _cleanup_free_ char *payload = NULL; unsigned n = 0; @@ -199,7 +271,6 @@ int catalog_import_file(Hashmap *h, struct strbuf *sb, const char *path) { int r; assert(h); - assert(sb); assert(path); f = fopen(path, "re"); @@ -254,10 +325,11 @@ int catalog_import_file(Hashmap *h, struct strbuf *sb, const char *path) { if (sd_id128_from_string(line + 2 + 1, &jd) >= 0) { if (got_id) { - r = finish_item(h, sb, id, lang ?: deflang, payload); + r = finish_item(h, id, lang ?: deflang, payload); if (r < 0) return r; + payload = NULL; lang = mfree(lang); } @@ -310,9 +382,10 @@ int catalog_import_file(Hashmap *h, struct strbuf *sb, const char *path) { } if (got_id) { - r = finish_item(h, sb, id, lang ?: deflang, payload); + r = finish_item(h, id, lang ?: deflang, payload); if (r < 0) return r; + payload = NULL; } return 0; @@ -389,8 +462,10 @@ int catalog_update(const char* database, const char* root, const char* const* di _cleanup_strv_free_ char **files = NULL; char **f; struct strbuf *sb = NULL; - _cleanup_hashmap_free_free_ Hashmap *h = NULL; + _cleanup_hashmap_free_free_free_ Hashmap *h = NULL; _cleanup_free_ CatalogItem *items = NULL; + ssize_t offset; + char *payload; CatalogItem *i; Iterator j; unsigned n; @@ -413,7 +488,7 @@ int catalog_update(const char* database, const char* root, const char* const* di STRV_FOREACH(f, files) { log_debug("Reading file '%s'", *f); - r = catalog_import_file(h, sb, *f); + r = catalog_import_file(h, *f); if (r < 0) { log_error_errno(r, "Failed to import file '%s': %m", *f); goto finish; @@ -426,8 +501,6 @@ int catalog_update(const char* database, const char* root, const char* const* di } else log_debug("Found %u items in catalog.", hashmap_size(h)); - strbuf_complete(sb); - items = new(CatalogItem, hashmap_size(h)); if (!items) { r = log_oom(); @@ -435,16 +508,25 @@ int catalog_update(const char* database, const char* root, const char* const* di } n = 0; - HASHMAP_FOREACH(i, h, j) { + HASHMAP_FOREACH_KEY(payload, i, h, j) { log_debug("Found " SD_ID128_FORMAT_STR ", language %s", SD_ID128_FORMAT_VAL(i->id), isempty(i->language) ? "C" : i->language); + + offset = strbuf_add_string(sb, payload, strlen(payload)); + if (offset < 0) { + r = log_oom(); + goto finish; + } + i->offset = htole64((uint64_t) offset); items[n++] = *i; } assert(n == hashmap_size(h)); qsort_safe(items, n, sizeof(CatalogItem), catalog_compare_func); + strbuf_complete(sb); + sz = write_catalog(database, sb, items, n); if (sz < 0) r = log_error_errno(sz, "Failed to write %s: %m", database); @@ -587,7 +669,7 @@ finish: static char *find_header(const char *s, const char *header) { for (;;) { - const char *v, *e; + const char *v; v = startswith(s, header); if (v) { @@ -595,16 +677,8 @@ static char *find_header(const char *s, const char *header) { return strndup(v, strcspn(v, NEWLINE)); } - /* End of text */ - e = strchr(s, '\n'); - if (!e) + if (!next_header(&s)) return NULL; - - /* End of header */ - if (e == s) - return NULL; - - s = e + 1; } } diff --git a/src/journal/catalog.h b/src/journal/catalog.h index bcc73c2631..b3856d2de0 100644 --- a/src/journal/catalog.h +++ b/src/journal/catalog.h @@ -28,7 +28,7 @@ #include "hashmap.h" #include "strbuf.h" -int catalog_import_file(Hashmap *h, struct strbuf *sb, const char *path); +int catalog_import_file(Hashmap *h, const char *path); int catalog_update(const char* database, const char* root, const char* const* dirs); int catalog_get(const char* database, sd_id128_t id, char **data); int catalog_list(FILE *f, const char* database, bool oneline); diff --git a/src/journal/test-catalog.c b/src/journal/test-catalog.c index 25980b7744..4f1392c218 100644 --- a/src/journal/test-catalog.c +++ b/src/journal/test-catalog.c @@ -46,8 +46,7 @@ static const char *no_catalog_dirs[] = { NULL }; -static void test_import(Hashmap *h, struct strbuf *sb, - const char* contents, ssize_t size, int code) { +static void test_import(Hashmap *h, const char* contents, ssize_t size, int code) { int r; char name[] = "/tmp/test-catalog.XXXXXX"; _cleanup_close_ int fd; @@ -56,7 +55,7 @@ static void test_import(Hashmap *h, struct strbuf *sb, assert_se(fd >= 0); assert_se(write(fd, contents, size) == size); - r = catalog_import_file(h, sb, name); + r = catalog_import_file(h, name); assert_se(r == code); unlink(name); @@ -64,13 +63,11 @@ static void test_import(Hashmap *h, struct strbuf *sb, static void test_catalog_importing(void) { Hashmap *h; - struct strbuf *sb; assert_se(h = hashmap_new(&catalog_hash_ops)); - assert_se(sb = strbuf_new()); #define BUF "xxx" - test_import(h, sb, BUF, sizeof(BUF), -EINVAL); + test_import(h, BUF, sizeof(BUF), -EINVAL); #undef BUF assert_se(hashmap_isempty(h)); log_debug("----------------------------------------"); @@ -80,7 +77,7 @@ static void test_catalog_importing(void) { "Subject: message\n" \ "\n" \ "payload\n" - test_import(h, sb, BUF, sizeof(BUF), -EINVAL); + test_import(h, BUF, sizeof(BUF), -EINVAL); #undef BUF log_debug("----------------------------------------"); @@ -90,7 +87,7 @@ static void test_catalog_importing(void) { "Subject: message\n" \ "\n" \ "payload\n" - test_import(h, sb, BUF, sizeof(BUF), 0); + test_import(h, BUF, sizeof(BUF), 0); #undef BUF assert_se(hashmap_size(h) == 1); @@ -98,7 +95,6 @@ static void test_catalog_importing(void) { log_debug("----------------------------------------"); hashmap_free_free(h); - strbuf_cleanup(sb); } |