END_TEST
START_TEST (test_blob)
{
char *str = "this is a string subtly disguised as a blob";
OmlValue v, v2;
OmlValueU vu;
size_t len = strlen(str);
void *test = (void*)str;
size_t bcount;
size_t alloc_diff;
oml_value_init(&v);
oml_value_init(&v2);
omlc_zero(vu);
/* Prepare the OmlValueU to be duplicated in the OmlValue */
omlc_set_blob(vu, test, len);
bcount = xmembytes();
oml_value_set(&v, &vu, OML_BLOB_VALUE);
alloc_diff = xmembytes() - bcount - sizeof(size_t);
bcount = xmembytes();
fail_if(alloc_diff < len,
"OmlValue blob allocated memory not big enough (%d instead of at least %d)",
alloc_diff, len);
oml_value_duplicate(&v2, &v);
fail_if(omlc_get_blob_ptr(*oml_value_get_value(&v2)) == omlc_get_blob_ptr(*oml_value_get_value(&v)),
"Copied OmlValue blob pointer not allocated properly");
fail_if(strncmp(omlc_get_blob_ptr(*oml_value_get_value(&v2)), omlc_get_blob_ptr(*oml_value_get_value(&v)), len),
"Copied OmlValue blob mismatch");
fail_unless(omlc_get_blob_length(*oml_value_get_value(&v2)) == omlc_get_blob_length(*oml_value_get_value(&v)),
"Copied OmlValue blob length not set properly (%d instead of %d)",
omlc_get_blob_length(*oml_value_get_value(&v2)), omlc_get_blob_length(*oml_value_get_value(&v2)));
alloc_diff = xmembytes() - bcount - sizeof(size_t); /* oml_malloc() always allocates at least sizeof(size_t) more for bookkeeping */
bcount = xmembytes();
fail_if(alloc_diff < len,
"Copied OmlValue blob allocated memory not big enough (%d instead of at least %d)",
alloc_diff, len);
fail_unless(omlc_get_blob_size(*oml_value_get_value(&v2)) == oml_malloc_usable_size(omlc_get_blob_ptr(*oml_value_get_value(&v2))),
"Copied OmlValue blob allocated size not set properly (%d instead of %d)",
omlc_get_blob_size(*oml_value_get_value(&v2)), oml_malloc_usable_size(omlc_get_blob_ptr(*oml_value_get_value(&v2))));
oml_value_set_type(&v, OML_UINT64_VALUE);
fail_unless(xmembytes() < bcount,
"OmlValue blob was not freed after oml_value_set_type() (%d allocated, which is not less than %d)",
xmembytes(), bcount);
bcount = xmembytes();
oml_value_reset(&v2);
fail_unless(xmembytes() < bcount,
"OmlValue blob was not freed after oml_value_reset() (%d allocated, which is not less than %d)",
xmembytes(), bcount);
bcount = xmembytes();
oml_value_reset(&v);
omlc_reset_blob(vu);
}
END_TEST
START_TEST (test_string)
{
char *test = "test";
OmlValue v, v2;
OmlValueU vu;
size_t bcount = xmembytes();
size_t alloc_diff;
oml_value_init(&v);
oml_value_init(&v2);
omlc_zero(vu);
/* Prepare the OmlValueU to be duplicated in the OmlValue */
omlc_set_const_string(vu, test);
oml_value_set(&v, &vu, OML_STRING_VALUE);
alloc_diff = xmembytes() - bcount - sizeof(size_t);
bcount = xmembytes();
fail_if(alloc_diff < strlen(test) + 1,
"OmlValue string allocated memory not big enough (%d instead of at least %d)",
alloc_diff, strlen(test) + 1);
oml_value_duplicate(&v2, &v);
fail_if(omlc_get_string_ptr(*oml_value_get_value(&v2)) == omlc_get_string_ptr(*oml_value_get_value(&v)),
"Copied OmlValue string pointer not allocated properly");
fail_if(strcmp(omlc_get_string_ptr(*oml_value_get_value(&v2)), omlc_get_string_ptr(*oml_value_get_value(&v))),
"Copied OmlValue string mismatch ('%s' instead of '%s')",
omlc_get_string_ptr(*oml_value_get_value(&v2)), omlc_get_string_ptr(*oml_value_get_value(&v)));
fail_unless(omlc_get_string_length(*oml_value_get_value(&v2)) == strlen(omlc_get_string_ptr(*oml_value_get_value(&v2))),
"Copied OmlValue string length not set properly (%d instead of %d)",
omlc_get_string_length(*oml_value_get_value(&v2)), strlen(omlc_get_string_ptr(*oml_value_get_value(&v2))) + 1);
alloc_diff = xmembytes() - bcount - sizeof(size_t); /* oml_malloc() always allocates at least sizeof(size_t) more for bookkeeping */
bcount = xmembytes();
fail_if(alloc_diff < strlen(omlc_get_string_ptr(*oml_value_get_value(&v))) + 1,
"Copied OmlValue string allocated memory not big enough (%d instead of at least %d)",
alloc_diff, strlen(omlc_get_string_ptr(*oml_value_get_value(&v))) + 1);
fail_unless(omlc_get_string_size(*oml_value_get_value(&v2)) == oml_malloc_usable_size(omlc_get_string_ptr(*oml_value_get_value(&v2))),
"Copied OmlValue string allocated size not set properly (%d instead of %d)",
omlc_get_string_size(*oml_value_get_value(&v2)), oml_malloc_usable_size(omlc_get_string_ptr(*oml_value_get_value(&v2))));
fail_unless(omlc_get_string_is_const(*oml_value_get_value(&v2)) == 0,
"Copied OmlValue string should not be constant");
oml_value_set_type(&v, OML_UINT64_VALUE);
fail_unless(xmembytes() < bcount,
"OmlValue string was not freed after oml_value_set_type() (%d allocated, which is not less than %d)",
xmembytes(), bcount);
bcount = xmembytes();
oml_value_reset(&v2);
fail_unless(xmembytes() < bcount,
"OmlValue string was not freed after oml_value_reset() (%d allocated, which is not less than %d)",
xmembytes(), bcount);
bcount = xmembytes();
oml_value_reset(&v);
omlc_reset_string(vu);
}
int
text_read_msg_start (struct oml_message *msg, MBuffer *mbuf)
{
int len = mbuf_find (mbuf, '\n'); // Find length of line
OmlValue value;
int bytes = 0;
oml_value_init(&value);
if (len == -1)
return 0; // Haven't got a full line
msg->length = (uint32_t)len + 1;
/* Read the timestamp first */
oml_value_set_type(&value, OML_DOUBLE_VALUE);
bytes = text_read_value (mbuf, &value, len);
if (bytes == -1)
return -1;
else
len -= bytes;
msg->timestamp = omlc_get_double(*oml_value_get_value(&value));
/* Read the stream index */
oml_value_set_type(&value, OML_UINT32_VALUE);
bytes = text_read_value (mbuf, &value, len);
if (bytes == -1)
return -1;
else
len -= bytes;
msg->stream = omlc_get_uint32(*oml_value_get_value(&value));
/* Read the sequence number */
oml_value_set_type(&value, OML_UINT32_VALUE);
bytes = text_read_value (mbuf, &value, len);
if (bytes == -1)
return -1;
else
len -= bytes;
msg->seqno = omlc_get_uint32(*oml_value_get_value(&value));
oml_value_reset(&value);
return msg->length;
}
/** Read the marshalling header information contained in an MBuffer.
*
* \param mbuf MBuffer to read from
* \param header pointer to an OmlBinaryHeader into which the data from the
* mbuf should be unmarshalled
* \return 1 on success, the size of the missing section as a negative number
* if the buffer is too short, or 0 if something failed
*/
int
unmarshal_init(MBuffer* mbuf, OmlBinaryHeader* header)
{
uint8_t header_str[PACKET_HEADER_SIZE + 2];
uint8_t stream_header_str[STREAM_HEADER_SIZE];
int result, n;
OmlValue seqno;
OmlValue timestamp;
oml_value_init(&seqno);
oml_value_init(×tamp);
result = mbuf_begin_read (mbuf);
if (result == -1) {
logerror("Couldn't start unmarshalling packet (mbuf_begin_read())\n");
return 0;
}
result = mbuf_read (mbuf, header_str, 3);
if (result == -1) {
return mbuf_rd_remaining (mbuf) - 3;
}
if (! (header_str[0] == SYNC_BYTE && header_str[1] == SYNC_BYTE)) {
logdebug("Cannot find sync bytes in binary stream, out of sync; first 3 bytes: %#0x %#0x %#0x\n",
header_str[0], header_str[1], header_str[2]);
return 0;
}
header->type = (OmlBinMsgType)header_str[2];
if (header->type == OMB_DATA_P) {
// Read 2 more bytes of the length field
uint16_t nv16 = 0;
result = mbuf_read (mbuf, (uint8_t*)&nv16, sizeof (uint16_t));
if (result == -1) {
n = mbuf_rd_remaining (mbuf) - 2;
mbuf_reset_read (mbuf);
return n;
}
header->length = (int)ntohs (nv16);
} else if (header->type == OMB_LDATA_P) {
// Read 4 more bytes of the length field
uint32_t nv32 = 0;
result = mbuf_read (mbuf, (uint8_t*)&nv32, sizeof (uint32_t));
if (result == -1) {
n = mbuf_rd_remaining (mbuf) - 4;
mbuf_reset_read (mbuf);
return n;
}
header->length = (int)ntohl (nv32);
} else {
logwarn ("Unknown packet type %d\n", (int)header->type);
return 0;
}
int extra = mbuf_rd_remaining (mbuf) - header->length;
if (extra < 0) {
mbuf_reset_read (mbuf);
return extra;
}
result = mbuf_read (mbuf, stream_header_str, LENGTH (stream_header_str));
if (result == -1) {
n = mbuf_rd_remaining (mbuf) - LENGTH (stream_header_str);
mbuf_reset_read (mbuf);
return n;
}
header->values = (int)stream_header_str[0];
header->stream = (int)stream_header_str[1];
if (unmarshal_typed_value (mbuf, "seq-no", OML_INT32_VALUE, &seqno) == -1)
return 0;
if (unmarshal_typed_value (mbuf, "timestamp", OML_DOUBLE_VALUE, ×tamp) == -1)
return 0;
header->seqno = omlc_get_int32(*oml_value_get_value(&seqno));
header->timestamp = omlc_get_double(*oml_value_get_value(×tamp));
oml_value_reset(&seqno);
oml_value_reset(×tamp);
return 1;
}
