Git-Mirrors/monero
1
0
Fork 0
mirror of https://github.com/monero-project/monero.git synced 2024-12-28 20:36:13 -05:00
Code Issues Packages Projects Releases Wiki Activity

Update db_bdb.cpp

Browse Source
This commit is contained in:
NoodleDoodleNoodleDoodleNoodleDoodleNoo 2015-05-01 21:15:34 -07:00 committed by NoodleDoodleNoodleDoodleNoodleDoodleNoo
parent 4b7ad2b0a7
commit dbbc457836
1 changed files with 68 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

132
src/blockchain_db/berkeleydb/db_bdb.cpp
View File

@ -1425,31 +1425,31 @@ void BlockchainBDB::get_output_tx_and_index(const uint64_t& amount,
max = index; max = index;
} }
// ??? might be a bug, don't always treat as uint64_t // ??? might be a bug, don't always treat as uint64_t
#define DBT_VALUE(dbt) v.get_size() == sizeof(uint64_t) ? \ #define DBT_VALUE(dbt) v.get_size() == sizeof(uint64_t) ? \
*((uint64_t *)v.get_data()) : *((uint32_t *)v.get_data()) \ *((uint64_t *)v.get_data()) : *((uint32_t *)v.get_data()) \
// get returned keypairs count // get returned keypairs count
#define DB_COUNT_RECORDS(dbt, cnt) \ #define DB_COUNT_RECORDS(dbt, cnt) \
do { \ do { \
uint32_t *_p = (uint32_t *) ((uint8_t *)(dbt)->data + \ uint32_t *_p = (uint32_t *) ((uint8_t *)(dbt)->data + \
(dbt)->ulen - sizeof(uint32_t)); \ (dbt)->ulen - sizeof(uint32_t)); \
cnt = 0; \ cnt = 0; \
while(*_p != (uint32_t) -1) { \ while(*_p != (uint32_t) -1) { \
_p -= 2; \ _p -= 2; \
++cnt; \ ++cnt; \
} \ } \
} while(0); \ } while(0); \
Dbt_copy<uint64_t> k(amount); Dbt_copy<uint64_t> k(amount);
Dbt_copy<uint64_t> v; Dbt_copy<uint64_t> v;
uint64_t buflen = 0; uint64_t buflen = 0;
uint64_t t_dbmul = 0; uint64_t t_dbmul = 0;
uint64_t t_dbscan = 0; uint64_t t_dbscan = 0;
TIME_MEASURE_START(db2); TIME_MEASURE_START(db2);
if(max <= 1) if(max <= 1)
{ {
for (const uint64_t& index : offsets) for (const uint64_t& index : offsets)
{ {
TIME_MEASURE_START(t_seek); TIME_MEASURE_START(t_seek);
@ -1481,28 +1481,28 @@ void BlockchainBDB::get_output_tx_and_index(const uint64_t& amount,
} }
else else
{ {
// setup a 256KB minimum buffer size // setup a 256KB minimum buffer size
uint32_t pagesize = 256 * 1024; uint32_t pagesize = 256 * 1024;
// Retrieve only a suitable portion of the kvp data, up to somewhere near // Retrieve only a suitable portion of the kvp data, up to somewhere near
// the maximum offset value being retrieved // the maximum offset value being retrieved
buflen = (max + 1) * 4 * sizeof(uint64_t); buflen = (max + 1) * 4 * sizeof(uint64_t);
buflen = ((buflen / pagesize) + ((buflen % pagesize) > 0 ? 1 : 0)) * pagesize; buflen = ((buflen / pagesize) + ((buflen % pagesize) > 0 ? 1 : 0)) * pagesize;
bool singlebuff = buflen <= BUFFER_LENGTH; bool singlebuff = buflen <= BUFFER_LENGTH;
buflen = buflen < BUFFER_LENGTH ? buflen : BUFFER_LENGTH; buflen = buflen < BUFFER_LENGTH ? buflen : BUFFER_LENGTH;
Dbt data; Dbt data;
data.set_data(m_buffer); data.set_data(m_buffer);
data.set_ulen(buflen); data.set_ulen(buflen);
data.set_size(buflen); data.set_size(buflen);
data.set_flags(DB_DBT_USERMEM); data.set_flags(DB_DBT_USERMEM);
uint32_t curcount = 0; uint32_t curcount = 0;
uint32_t blockstart = 0; uint32_t blockstart = 0;
for (const uint64_t& index : offsets) for (const uint64_t& index : offsets)
{ {
// fixme! for whatever reason, the first call to DB_MULTIPLE | DB_SET does not // fixme! for whatever reason, the first call to DB_MULTIPLE | DB_SET does not
// retrieve the first value. // retrieve the first value.
if(index <= 1) if(index <= 1)
{ {
auto result = cur->get(&k, &v, DB_SET); auto result = cur->get(&k, &v, DB_SET);
@ -1521,40 +1521,40 @@ void BlockchainBDB::get_output_tx_and_index(const uint64_t& amount,
} }
else else
{ {
while(index >= curcount) while(index >= curcount)
{ {
TIME_MEASURE_START(t_db1); TIME_MEASURE_START(t_db1);
try try
{ {
cur->get(&k, &data, DB_MULTIPLE | (curcount == 0 ? DB_SET : DB_NEXT_DUP)); cur->get(&k, &data, DB_MULTIPLE | (curcount == 0 ? DB_SET : DB_NEXT_DUP));
blockstart = curcount; blockstart = curcount;
// skip counting if using single buffer, it actually adds some overhead on some systems. // skip counting if using single buffer, it actually adds some overhead on some systems.
if(!singlebuff) if(!singlebuff)
{ {
int count = 0; int count = 0;
DB_COUNT_RECORDS((DBT *) &data, count); DB_COUNT_RECORDS((DBT *) &data, count);
curcount += count; curcount += count;
} }
} }
catch (const std::exception &e) catch (const std::exception &e)
{ {
LOG_PRINT_L0("DB_EXCEPTION: " << e.what()); LOG_PRINT_L0("DB_EXCEPTION: " << e.what());
} }
TIME_MEASURE_FINISH(t_db1); TIME_MEASURE_FINISH(t_db1);
t_dbmul += t_db1; t_dbmul += t_db1;
if(singlebuff) if(singlebuff)
break; break;
} }
LOG_PRINT_L1("Records returned: " << curcount << " Index: " << index); LOG_PRINT_L1("Records returned: " << curcount << " Index: " << index);
TIME_MEASURE_START(t_db2); TIME_MEASURE_START(t_db2);
DBT *pdata = (DBT *) &data; DBT *pdata = (DBT *) &data;
uint8_t *value; uint8_t *value;
uint64_t dlen = 0; uint64_t dlen = 0;
void *pbase = ((uint8_t *)(pdata->data)) + pdata->ulen - sizeof(uint32_t); void *pbase = ((uint8_t *)(pdata->data)) + pdata->ulen - sizeof(uint32_t);
uint32_t *p = (uint32_t *) pbase; uint32_t *p = (uint32_t *) pbase;
if (*p == (uint32_t) -1) if (*p == (uint32_t) -1)
{ {
@ -1574,9 +1574,9 @@ void BlockchainBDB::get_output_tx_and_index(const uint64_t& amount,
v = dlen == sizeof(uint64_t) ? *((uint64_t *) value) v = dlen == sizeof(uint64_t) ? *((uint64_t *) value)
: *((uint32_t *) value); : *((uint32_t *) value);
} }
TIME_MEASURE_FINISH(t_db2); TIME_MEASURE_FINISH(t_db2);
t_dbscan += t_db2; t_dbscan += t_db2;
} }
uint64_t glob_index = DBT_VALUE(v); uint64_t glob_index = DBT_VALUE(v);