virtual int read_pkt(p_pkt_buffer& buf)
{
ASSERT_LTE(buf->len, tx_symbol_size-sizeof(T_zeropad));
T_zeropad zeros = buf->zero_pad_to(tx_symbol_size-sizeof(T_zeropad));
set_packet_zeros(buf, zeros);
#if defined(VERBOSE) || defined(KODO_VERBOSE)
printf("Adding %hu bytes of zeropadding\n", zeros);
#endif
#if defined(VERBOSE) || defined(KODO_VERBOSE)
uint32_t rank_before = encoder->rank();
#endif
encoder->set_symbol(encoder->rank(), {buf->head, (uint32_t)buf->len});
#if defined(VERBOSE) || defined(KODO_VERBOSE)
printf("Adding pkt of %lu bytes to encoder, rank before: %u, rank after: %u\n", buf->len, rank_before, encoder->rank());
#endif
buf->clear();
if (encoder->rank() * tx_redundancy > tx_delivered_pkts)
{
uint32_t amount_of_pkts = (encoder->rank() * tx_redundancy) - tx_delivered_pkts;
if (encoder->rank() == tx_gen_size)
{
amount_of_pkts = std::ceil(encoder->rank() * tx_redundancy) - tx_delivered_pkts;
}
#if defined(VERBOSE) || defined(KODO_VERBOSE)
printf("Sending TX generation, gen=%u, pkts=%u\n", tx_gen, amount_of_pkts);
#endif
tx_delivered_pkts += amount_of_pkts;
for (uint32_t i = 0; i < amount_of_pkts; ++i)
{
size_t len = encoder->encode(buf->head);
buf->data_push(len);
#if defined(VERBOSE) || defined(KODO_VERBOSE)
printf("Size of KODO (encoded) symbol %lu bytes, gen=%u\n", len, tx_gen);
#endif
set_packet_symbol_size(buf, tx_symbol_size);
set_packet_gen_size(buf, tx_gen_size);
set_packet_gen(buf, tx_gen);
super::read_pkt(buf);
buf->clear();
}
if (encoder->rank() == tx_gen_size)
{
tx_new_generation();
}
return tx_symbol_size;
}
return 0;
}
/**
* Test that nextCanonicalDouble() always returns values between 0 and 1.
*/
TEST(RandomTest, NextCanonicalWithinRange) {
PseudoRandom prng(10);
for (int i = 0; i < 100; i++) {
double next = prng.nextCanonicalDouble();
ASSERT_LTE(0.0, next);
ASSERT_LT(next, 1.0);
}
}
void rx_new_generation(uint32_t gen, uint32_t gen_size, uint32_t symbol_size)
{
ASSERT_LTE(gen_size, rx_max_gen_size);
ASSERT_LTE(symbol_size, rx_max_symbol_size);
ASSERT_NEQ(gen_size, 0);
ASSERT_NEQ(symbol_size, 0);
decoder_factory.set_symbols(gen_size);
decoder_factory.set_symbol_size(symbol_size);
decoder = decoder_factory.build();
rx_gen = gen;
rx_gen_size = gen_size;
rx_symbol_size = symbol_size;
rx_delivered_symbols = 0;
#if defined(VERBOSE) || defined(KODO_VERBOSE)
printf("New RX generation, gen=%u, gen_size=%u, symbols_size=%u\n", rx_gen, rx_gen_size, rx_symbol_size);
#endif
}
TEST(KVEngineTestHarness, AllCommittedTimestamp) {
unique_ptr<KVHarnessHelper> helper(KVHarnessHelper::create());
KVEngine* engine = helper->getEngine();
if (!engine->supportsDocLocking())
return;
unique_ptr<RecordStore> rs;
{
MyOperationContext opCtx(engine);
WriteUnitOfWork uow(&opCtx);
CollectionOptions options;
options.capped = true;
options.cappedSize = 10240;
options.cappedMaxDocs = -1;
NamespaceString oplogNss("local.oplog.rs");
ASSERT_OK(engine->createRecordStore(&opCtx, oplogNss.ns(), "ident", options));
rs = engine->getRecordStore(&opCtx, oplogNss.ns(), "ident", options);
ASSERT(rs);
}
{
Timestamp t11(1, 1);
Timestamp t12(1, 2);
Timestamp t21(2, 1);
auto t11Doc = BSON("ts" << t11);
auto t12Doc = BSON("ts" << t12);
auto t21Doc = BSON("ts" << t21);
Timestamp allCommitted = engine->getAllCommittedTimestamp();
MyOperationContext opCtx1(engine);
WriteUnitOfWork uow1(&opCtx1);
ASSERT_EQ(invariant(rs->insertRecord(
&opCtx1, t11Doc.objdata(), t11Doc.objsize(), Timestamp::min())),
RecordId(1, 1));
Timestamp lastAllCommitted = allCommitted;
allCommitted = engine->getAllCommittedTimestamp();
ASSERT_GTE(allCommitted, lastAllCommitted);
ASSERT_LT(allCommitted, t11);
MyOperationContext opCtx2(engine);
WriteUnitOfWork uow2(&opCtx2);
ASSERT_EQ(invariant(rs->insertRecord(
&opCtx2, t21Doc.objdata(), t21Doc.objsize(), Timestamp::min())),
RecordId(2, 1));
uow2.commit();
lastAllCommitted = allCommitted;
allCommitted = engine->getAllCommittedTimestamp();
ASSERT_GTE(allCommitted, lastAllCommitted);
ASSERT_LT(allCommitted, t11);
ASSERT_EQ(invariant(rs->insertRecord(
&opCtx1, t12Doc.objdata(), t12Doc.objsize(), Timestamp::min())),
RecordId(1, 2));
lastAllCommitted = allCommitted;
allCommitted = engine->getAllCommittedTimestamp();
ASSERT_GTE(allCommitted, lastAllCommitted);
ASSERT_LT(allCommitted, t11);
uow1.commit();
lastAllCommitted = allCommitted;
allCommitted = engine->getAllCommittedTimestamp();
ASSERT_GTE(allCommitted, lastAllCommitted);
ASSERT_LTE(allCommitted, t21);
}
}