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Feature/add who am i and you are services (#1024)

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* Added Who-Am-I-Request encoding, decoding, unit tests, and command line application bacwhoami.

* Added You-Are-Request encoding, decoding, unit tests, and command line application bacyouare.

* Added Who-Am-I with Who-Is and You-Are handling into the example server application when run as device 4194303.
This commit is contained in:
Steve Karg
2025-06-23 10:49:59 -05:00
committed by GitHub
parent 9e626e599b
commit 5072fb5913
34 changed files with 2411 additions and 80 deletions
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src/bacnet/bacapp.c
+106 -70
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@@ -2184,6 +2184,106 @@ static int bacapp_snprintf_double(char *str, size_t str_len, double value)
}
#endif
/**
* @brief Print an octet string value to a string for EPICS
* @param str - destination string, or NULL for length only
* @param str_len - length of the destination string, or 0 for length only
* @param value - octet string value to print
* @return number of characters written
*/
int bacapp_snprintf_octet_string(
char *str, size_t str_len, const BACNET_OCTET_STRING *value)
{
int ret_val = 0;
int len = 0;
int slen = 0;
int i = 0;
len = octetstring_length(value);
if (len > 0) {
const uint8_t *octet_str;
octet_str = octetstring_value((BACNET_OCTET_STRING *)value);
for (i = 0; i < len; i++) {
slen = bacapp_snprintf(str, str_len, "%02X", *octet_str);
ret_val += bacapp_snprintf_shift(slen, &str, &str_len);
octet_str++;
}
}
return ret_val;
}
/**
* @brief Print a character string value to a string for EPICS
* @param str - destination string, or NULL for length only
* @param str_len - length of the destination string, or 0 for length only
* @param value - character string value to print
* @return number of characters written
*/
int bacapp_snprintf_character_string(
char *str, size_t str_len, const BACNET_CHARACTER_STRING *value)
{
int ret_val = 0;
int len = 0;
int slen = 0;
int i = 0;
const char *char_str;
#if (__STDC_VERSION__ >= 199901L) && defined(__STDC_ISO_10646__)
/* Wide character (decoded from multi-byte character). */
wchar_t wc;
/* Wide character length in bytes. */
int wclen;
#endif
len = characterstring_length(value);
char_str = characterstring_value(value);
slen = bacapp_snprintf(str, str_len, "\"");
ret_val += bacapp_snprintf_shift(slen, &str, &str_len);
#if (__STDC_VERSION__ >= 199901L) && defined(__STDC_ISO_10646__)
if (characterstring_encoding(value) == CHARACTER_UTF8) {
while (len > 0) {
wclen = mbtowc(&wc, char_str, MB_CUR_MAX);
if (wclen == -1) {
/* Encoding error, reset state: */
mbtowc(NULL, NULL, MB_CUR_MAX);
/* After handling an invalid byte,
retry with the next one. */
wclen = 1;
wc = L'?';
} else {
if (!iswprint(wc)) {
wc = L'.';
}
}
/* For portability, cast wchar_t to wint_t */
slen = bacapp_snprintf(str, str_len, "%lc", (wint_t)wc);
ret_val += bacapp_snprintf_shift(slen, &str, &str_len);
if (len > wclen) {
len -= wclen;
char_str += wclen;
} else {
len = 0;
}
}
} else
#endif
{
for (i = 0; i < len; i++) {
if (isprint(*((const unsigned char *)char_str))) {
slen = bacapp_snprintf(str, str_len, "%c", *char_str);
} else {
slen = bacapp_snprintf(str, str_len, "%c", '.');
}
ret_val += bacapp_snprintf_shift(slen, &str, &str_len);
char_str++;
}
}
slen = bacapp_snprintf(str, str_len, "\"");
ret_val += slen;
return ret_val;
}
#if defined(BACAPP_BIT_STRING)
/**
* @brief Print a bit string value to a string for EPICS
@@ -3601,20 +3701,12 @@ static int bacapp_snprintf_action_command(
int bacapp_snprintf_value(
char *str, size_t str_len, const BACNET_OBJECT_PROPERTY_VALUE *object_value)
{
size_t len = 0, i = 0;
const BACNET_APPLICATION_DATA_VALUE *value;
BACNET_PROPERTY_ID property = PROP_ALL;
BACNET_OBJECT_TYPE object_type = MAX_BACNET_OBJECT_TYPE;
int ret_val = 0;
#if defined(BACAPP_BDT_ENTRY) || defined(BACAPP_FDT_ENTRY)
int slen = 0;
#if defined(BACAPP_CHARACTER_STRING)
const char *char_str;
#if (__STDC_VERSION__ >= 199901L) && defined(__STDC_ISO_10646__)
/* Wide character (decoded from multi-byte character). */
wchar_t wc;
/* Wide character length in bytes. */
int wclen;
#endif
#endif
if (object_value && object_value->value) {
@@ -3658,69 +3750,14 @@ int bacapp_snprintf_value(
#endif
#if defined(BACAPP_OCTET_STRING)
case BACNET_APPLICATION_TAG_OCTET_STRING:
len = octetstring_length(&value->type.Octet_String);
if (len > 0) {
const uint8_t *octet_str;
octet_str = octetstring_value(
(BACNET_OCTET_STRING *)&value->type.Octet_String);
for (i = 0; i < len; i++) {
slen =
bacapp_snprintf(str, str_len, "%02X", *octet_str);
ret_val += bacapp_snprintf_shift(slen, &str, &str_len);
octet_str++;
}
}
ret_val = bacapp_snprintf_octet_string(
str, str_len, &value->type.Octet_String);
break;
#endif
#if defined(BACAPP_CHARACTER_STRING)
case BACNET_APPLICATION_TAG_CHARACTER_STRING:
len = characterstring_length(&value->type.Character_String);
char_str = characterstring_value(&value->type.Character_String);
slen = bacapp_snprintf(str, str_len, "\"");
ret_val += bacapp_snprintf_shift(slen, &str, &str_len);
#if (__STDC_VERSION__ >= 199901L) && defined(__STDC_ISO_10646__)
if (characterstring_encoding(&value->type.Character_String) ==
CHARACTER_UTF8) {
while (len > 0) {
wclen = mbtowc(&wc, char_str, MB_CUR_MAX);
if (wclen == -1) {
/* Encoding error, reset state: */
mbtowc(NULL, NULL, MB_CUR_MAX);
/* After handling an invalid byte,
retry with the next one. */
wclen = 1;
wc = L'?';
} else {
if (!iswprint(wc)) {
wc = L'.';
}
}
/* For portability, cast wchar_t to wint_t */
slen = bacapp_snprintf(str, str_len, "%lc", (wint_t)wc);
ret_val += bacapp_snprintf_shift(slen, &str, &str_len);
if (len > wclen) {
len -= wclen;
char_str += wclen;
} else {
len = 0;
}
}
} else
#endif
{
for (i = 0; i < len; i++) {
if (isprint(*((const unsigned char *)char_str))) {
slen =
bacapp_snprintf(str, str_len, "%c", *char_str);
} else {
slen = bacapp_snprintf(str, str_len, "%c", '.');
}
ret_val += bacapp_snprintf_shift(slen, &str, &str_len);
char_str++;
}
}
slen = bacapp_snprintf(str, str_len, "\"");
ret_val += slen;
ret_val = bacapp_snprintf_character_string(
str, str_len, &value->type.Character_String);
break;
#endif
#if defined(BACAPP_BIT_STRING)
@@ -3754,9 +3791,8 @@ int bacapp_snprintf_value(
#endif
#if defined(BACAPP_TIMESTAMP)
case BACNET_APPLICATION_TAG_TIMESTAMP:
slen = bacapp_timestamp_to_ascii(
ret_val = bacapp_timestamp_to_ascii(
str, str_len, &value->type.Time_Stamp);
ret_val += slen;
break;
#endif
#if defined(BACAPP_DATETIME)