/*
* Decode the DMP header. If data is null we're expected to use the last
* header we got.
* @param headers the HeaderSet to add to
* @param data a pointer to the data
* @param length length of the data
* @returns true if successful, false otherwise
*/
bool DMPInflator::DecodeHeader(HeaderSet &headers,
const uint8_t *data,
unsigned int length,
unsigned int &bytes_used) {
if (data) {
// the header bit was set, decode it
if (length >= DMPHeader::DMP_HEADER_SIZE) {
DMPHeader header(*data);
m_last_header = header;
m_last_header_valid = true;
headers.SetDMPHeader(header);
bytes_used = DMPHeader::DMP_HEADER_SIZE;
return true;
}
bytes_used = 0;
return false;
}
// use the last header if it exists
bytes_used = 0;
if (!m_last_header_valid) {
OLA_WARN << "Missing DMP Header data";
return false;
}
headers.SetDMPHeader(m_last_header);
return true;
}
/*
* Check that the header set works
*/
void HeaderSetTest::testHeaderSet() {
HeaderSet headers;
RootHeader root_header;
E131Header e131_header("e131", 1, 2, 6001);
E133Header e133_header("foo", 1, 2050);
DMPHeader dmp_header(false, false, NON_RANGE, ONE_BYTES);
// test the root header component
CID cid = CID::Generate();
root_header.SetCid(cid);
headers.SetRootHeader(root_header);
OLA_ASSERT(root_header == headers.GetRootHeader());
// test the E1.31 header component
headers.SetE131Header(e131_header);
OLA_ASSERT(e131_header == headers.GetE131Header());
// test the E1.33 header component
headers.SetE133Header(e133_header);
OLA_ASSERT(e133_header == headers.GetE133Header());
// test the DMP headers component
headers.SetDMPHeader(dmp_header);
OLA_ASSERT(dmp_header == headers.GetDMPHeader());
// test assign
HeaderSet headers2 = headers;
OLA_ASSERT(root_header == headers2.GetRootHeader());
OLA_ASSERT(e131_header == headers2.GetE131Header());
OLA_ASSERT(e133_header == headers2.GetE133Header());
OLA_ASSERT(dmp_header == headers2.GetDMPHeader());
OLA_ASSERT(headers2 == headers);
// test copy
HeaderSet headers3(headers);
OLA_ASSERT(root_header == headers3.GetRootHeader());
OLA_ASSERT(e131_header == headers3.GetE131Header());
OLA_ASSERT(e133_header == headers3.GetE133Header());
OLA_ASSERT(dmp_header == headers3.GetDMPHeader());
OLA_ASSERT(headers3 == headers);
}