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Diffstat (limited to '')
-rw-r--r-- | libnetdata/uuid/Makefile.am | 8 | ||||
-rw-r--r-- | libnetdata/uuid/README.md | 13 | ||||
-rw-r--r-- | libnetdata/uuid/uuid.c | 179 | ||||
-rw-r--r-- | libnetdata/uuid/uuid.h | 29 |
4 files changed, 0 insertions, 229 deletions
diff --git a/libnetdata/uuid/Makefile.am b/libnetdata/uuid/Makefile.am deleted file mode 100644 index 161784b8f..000000000 --- a/libnetdata/uuid/Makefile.am +++ /dev/null @@ -1,8 +0,0 @@ -# SPDX-License-Identifier: GPL-3.0-or-later - -AUTOMAKE_OPTIONS = subdir-objects -MAINTAINERCLEANFILES = $(srcdir)/Makefile.in - -dist_noinst_DATA = \ - README.md \ - $(NULL) diff --git a/libnetdata/uuid/README.md b/libnetdata/uuid/README.md deleted file mode 100644 index fbadfd63a..000000000 --- a/libnetdata/uuid/README.md +++ /dev/null @@ -1,13 +0,0 @@ -<!-- -title: "UUID" -custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/uuid/README.md -sidebar_label: "UUID" -learn_topic_type: "Tasks" -learn_rel_path: "Developers/libnetdata" ---> - -# UUID - -Netdata uses libuuid for managing UUIDs. - -In this folder are a few custom helpers.
\ No newline at end of file diff --git a/libnetdata/uuid/uuid.c b/libnetdata/uuid/uuid.c deleted file mode 100644 index 55b66db9b..000000000 --- a/libnetdata/uuid/uuid.c +++ /dev/null @@ -1,179 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "../libnetdata.h" - -void uuid_unparse_lower_compact(const uuid_t uuid, char *out) { - static const char *hex_chars = "0123456789abcdef"; - for (int i = 0; i < 16; i++) { - out[i * 2] = hex_chars[(uuid[i] >> 4) & 0x0F]; - out[i * 2 + 1] = hex_chars[uuid[i] & 0x0F]; - } - out[32] = '\0'; // Null-terminate the string -} - -inline int uuid_parse_compact(const char *in, uuid_t uuid) { - if (strlen(in) != 32) - return -1; // Invalid input length - - for (int i = 0; i < 16; i++) { - int high = hex_char_to_int(in[i * 2]); - int low = hex_char_to_int(in[i * 2 + 1]); - - if (high < 0 || low < 0) - return -1; // Invalid hexadecimal character - - uuid[i] = (high << 4) | low; - } - - return 0; // Success -} - -int uuid_parse_flexi(const char *in, uuid_t uu) { - if(!in || !*in) - return -1; - - size_t hexCharCount = 0; - size_t hyphenCount = 0; - const char *s = in; - int byteIndex = 0; - uuid_t uuid; // work on a temporary place, to not corrupt the previous value of uu if we fail - - while (*s && byteIndex < 16) { - if (*s == '-') { - s++; - hyphenCount++; - - if (unlikely(hyphenCount > 4)) - // Too many hyphens - return -2; - } - - if (likely(isxdigit(*s))) { - int high = hex_char_to_int(*s++); - hexCharCount++; - - if (likely(isxdigit(*s))) { - int low = hex_char_to_int(*s++); - hexCharCount++; - - uuid[byteIndex++] = (high << 4) | low; - } - else - // Not a valid UUID (expected a pair of hex digits) - return -3; - } - else - // Not a valid UUID - return -4; - } - - if (unlikely(byteIndex < 16)) - // Not enough data to form a UUID - return -5; - - if (unlikely(hexCharCount != 32)) - // wrong number of hex digits - return -6; - - if(unlikely(hyphenCount != 0 && hyphenCount != 4)) - // wrong number of hyphens - return -7; - - // copy the final value - memcpy(uu, uuid, sizeof(uuid_t)); - - return 0; -} - - -// ---------------------------------------------------------------------------- -// unit test - -static inline void remove_hyphens(const char *uuid_with_hyphens, char *uuid_without_hyphens) { - while (*uuid_with_hyphens) { - if (*uuid_with_hyphens != '-') { - *uuid_without_hyphens++ = *uuid_with_hyphens; - } - uuid_with_hyphens++; - } - *uuid_without_hyphens = '\0'; -} - -int uuid_unittest(void) { - const int num_tests = 100000; - int failed_tests = 0; - - int i; - for (i = 0; i < num_tests; i++) { - uuid_t original_uuid, parsed_uuid; - char uuid_str_with_hyphens[UUID_STR_LEN], uuid_str_without_hyphens[UUID_COMPACT_STR_LEN]; - - // Generate a random UUID - switch(i % 2) { - case 0: - uuid_generate(original_uuid); - break; - - case 1: - uuid_generate_random(original_uuid); - break; - } - - // Unparse it with hyphens - bool lower = false; - switch(i % 3) { - case 0: - uuid_unparse_lower(original_uuid, uuid_str_with_hyphens); - lower = true; - break; - - case 1: - uuid_unparse(original_uuid, uuid_str_with_hyphens); - break; - - case 2: - uuid_unparse_upper(original_uuid, uuid_str_with_hyphens); - break; - } - - // Remove the hyphens - remove_hyphens(uuid_str_with_hyphens, uuid_str_without_hyphens); - - if(lower) { - char test[UUID_COMPACT_STR_LEN]; - uuid_unparse_lower_compact(original_uuid, test); - if(strcmp(test, uuid_str_without_hyphens) != 0) { - printf("uuid_unparse_lower_compact() failed, expected '%s', got '%s'\n", - uuid_str_without_hyphens, test); - failed_tests++; - } - } - - // Parse the UUID string with hyphens - int parse_result = uuid_parse_flexi(uuid_str_with_hyphens, parsed_uuid); - if (parse_result != 0) { - printf("uuid_parse_flexi() returned -1 (parsing error) for UUID with hyphens: %s\n", uuid_str_with_hyphens); - failed_tests++; - } else if (uuid_compare(original_uuid, parsed_uuid) != 0) { - printf("uuid_parse_flexi() parsed value mismatch for UUID with hyphens: %s\n", uuid_str_with_hyphens); - failed_tests++; - } - - // Parse the UUID string without hyphens - parse_result = uuid_parse_flexi(uuid_str_without_hyphens, parsed_uuid); - if (parse_result != 0) { - printf("uuid_parse_flexi() returned -1 (parsing error) for UUID without hyphens: %s\n", uuid_str_without_hyphens); - failed_tests++; - } - else if(uuid_compare(original_uuid, parsed_uuid) != 0) { - printf("uuid_parse_flexi() parsed value mismatch for UUID without hyphens: %s\n", uuid_str_without_hyphens); - failed_tests++; - } - - if(failed_tests) - break; - } - - printf("UUID: failed %d out of %d tests.\n", failed_tests, i); - return failed_tests; -} diff --git a/libnetdata/uuid/uuid.h b/libnetdata/uuid/uuid.h deleted file mode 100644 index 567646846..000000000 --- a/libnetdata/uuid/uuid.h +++ /dev/null @@ -1,29 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#ifndef NETDATA_UUID_H -#define NETDATA_UUID_H - -UUID_DEFINE(streaming_from_child_msgid, 0xed,0x4c,0xdb, 0x8f, 0x1b, 0xeb, 0x4a, 0xd3, 0xb5, 0x7c, 0xb3, 0xca, 0xe2, 0xd1, 0x62, 0xfa); -UUID_DEFINE(streaming_to_parent_msgid, 0x6e, 0x2e, 0x38, 0x39, 0x06, 0x76, 0x48, 0x96, 0x8b, 0x64, 0x60, 0x45, 0xdb, 0xf2, 0x8d, 0x66); -UUID_DEFINE(health_alert_transition_msgid, 0x9c, 0xe0, 0xcb, 0x58, 0xab, 0x8b, 0x44, 0xdf, 0x82, 0xc4, 0xbf, 0x1a, 0xd9, 0xee, 0x22, 0xde); - -// this is also defined in alarm-notify.sh.in -UUID_DEFINE(health_alert_notification_msgid, 0x6d, 0xb0, 0x01, 0x8e, 0x83, 0xe3, 0x43, 0x20, 0xae, 0x2a, 0x65, 0x9d, 0x78, 0x01, 0x9f, 0xb7); - -#define UUID_COMPACT_STR_LEN 33 -void uuid_unparse_lower_compact(const uuid_t uuid, char *out); -int uuid_parse_compact(const char *in, uuid_t uuid); -int uuid_parse_flexi(const char *in, uuid_t uuid); - -static inline int uuid_memcmp(const uuid_t *uu1, const uuid_t *uu2) { - return memcmp(uu1, uu2, sizeof(uuid_t)); -} - -static inline int hex_char_to_int(char c) { - if (c >= '0' && c <= '9') return c - '0'; - if (c >= 'a' && c <= 'f') return c - 'a' + 10; - if (c >= 'A' && c <= 'F') return c - 'A' + 10; - return -1; // Invalid hexadecimal character -} - -#endif //NETDATA_UUID_H |