mirror of
https://github.com/bitcoin/bitcoin.git
synced 2025-11-11 22:50:59 +01:00
net: move CBanDB and CAddrDB out of net.h/cpp
This will eventually solve a circular dependency
This commit is contained in:
Cory Fields
209
src/net.cpp
209
src/net.cpp
@@ -2356,114 +2356,6 @@ void CNode::Fuzz(int nChance)
|
||||
Fuzz(2);
|
||||
}
|
||||
|
||||
//
|
||||
// CAddrDB
|
||||
//
|
||||
|
||||
CAddrDB::CAddrDB()
|
||||
{
|
||||
pathAddr = GetDataDir() / "peers.dat";
|
||||
}
|
||||
|
||||
bool CAddrDB::Write(const CAddrMan& addr)
|
||||
{
|
||||
// Generate random temporary filename
|
||||
unsigned short randv = 0;
|
||||
GetRandBytes((unsigned char*)&randv, sizeof(randv));
|
||||
std::string tmpfn = strprintf("peers.dat.%04x", randv);
|
||||
|
||||
// serialize addresses, checksum data up to that point, then append csum
|
||||
CDataStream ssPeers(SER_DISK, CLIENT_VERSION);
|
||||
ssPeers << FLATDATA(Params().MessageStart());
|
||||
ssPeers << addr;
|
||||
uint256 hash = Hash(ssPeers.begin(), ssPeers.end());
|
||||
ssPeers << hash;
|
||||
|
||||
// open temp output file, and associate with CAutoFile
|
||||
boost::filesystem::path pathTmp = GetDataDir() / tmpfn;
|
||||
FILE *file = fopen(pathTmp.string().c_str(), "wb");
|
||||
CAutoFile fileout(file, SER_DISK, CLIENT_VERSION);
|
||||
if (fileout.IsNull())
|
||||
return error("%s: Failed to open file %s", __func__, pathTmp.string());
|
||||
|
||||
// Write and commit header, data
|
||||
try {
|
||||
fileout << ssPeers;
|
||||
}
|
||||
catch (const std::exception& e) {
|
||||
return error("%s: Serialize or I/O error - %s", __func__, e.what());
|
||||
}
|
||||
FileCommit(fileout.Get());
|
||||
fileout.fclose();
|
||||
|
||||
// replace existing peers.dat, if any, with new peers.dat.XXXX
|
||||
if (!RenameOver(pathTmp, pathAddr))
|
||||
return error("%s: Rename-into-place failed", __func__);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool CAddrDB::Read(CAddrMan& addr)
|
||||
{
|
||||
// open input file, and associate with CAutoFile
|
||||
FILE *file = fopen(pathAddr.string().c_str(), "rb");
|
||||
CAutoFile filein(file, SER_DISK, CLIENT_VERSION);
|
||||
if (filein.IsNull())
|
||||
return error("%s: Failed to open file %s", __func__, pathAddr.string());
|
||||
|
||||
// use file size to size memory buffer
|
||||
uint64_t fileSize = boost::filesystem::file_size(pathAddr);
|
||||
uint64_t dataSize = 0;
|
||||
// Don't try to resize to a negative number if file is small
|
||||
if (fileSize >= sizeof(uint256))
|
||||
dataSize = fileSize - sizeof(uint256);
|
||||
std::vector<unsigned char> vchData;
|
||||
vchData.resize(dataSize);
|
||||
uint256 hashIn;
|
||||
|
||||
// read data and checksum from file
|
||||
try {
|
||||
filein.read((char *)&vchData[0], dataSize);
|
||||
filein >> hashIn;
|
||||
}
|
||||
catch (const std::exception& e) {
|
||||
return error("%s: Deserialize or I/O error - %s", __func__, e.what());
|
||||
}
|
||||
filein.fclose();
|
||||
|
||||
CDataStream ssPeers(vchData, SER_DISK, CLIENT_VERSION);
|
||||
|
||||
// verify stored checksum matches input data
|
||||
uint256 hashTmp = Hash(ssPeers.begin(), ssPeers.end());
|
||||
if (hashIn != hashTmp)
|
||||
return error("%s: Checksum mismatch, data corrupted", __func__);
|
||||
|
||||
return Read(addr, ssPeers);
|
||||
}
|
||||
|
||||
bool CAddrDB::Read(CAddrMan& addr, CDataStream& ssPeers)
|
||||
{
|
||||
unsigned char pchMsgTmp[4];
|
||||
try {
|
||||
// de-serialize file header (network specific magic number) and ..
|
||||
ssPeers >> FLATDATA(pchMsgTmp);
|
||||
|
||||
// ... verify the network matches ours
|
||||
if (memcmp(pchMsgTmp, Params().MessageStart(), sizeof(pchMsgTmp)))
|
||||
return error("%s: Invalid network magic number", __func__);
|
||||
|
||||
// de-serialize address data into one CAddrMan object
|
||||
ssPeers >> addr;
|
||||
}
|
||||
catch (const std::exception& e) {
|
||||
// de-serialization has failed, ensure addrman is left in a clean state
|
||||
addr.Clear();
|
||||
return error("%s: Deserialize or I/O error - %s", __func__, e.what());
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
unsigned int ReceiveFloodSize() { return 1000*GetArg("-maxreceivebuffer", DEFAULT_MAXRECEIVEBUFFER); }
|
||||
unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", DEFAULT_MAXSENDBUFFER); }
|
||||
|
||||
@@ -2649,107 +2541,6 @@ void CNode::EndMessage(const char* pszCommand) UNLOCK_FUNCTION(cs_vSend)
|
||||
LEAVE_CRITICAL_SECTION(cs_vSend);
|
||||
}
|
||||
|
||||
//
|
||||
// CBanDB
|
||||
//
|
||||
|
||||
CBanDB::CBanDB()
|
||||
{
|
||||
pathBanlist = GetDataDir() / "banlist.dat";
|
||||
}
|
||||
|
||||
bool CBanDB::Write(const banmap_t& banSet)
|
||||
{
|
||||
// Generate random temporary filename
|
||||
unsigned short randv = 0;
|
||||
GetRandBytes((unsigned char*)&randv, sizeof(randv));
|
||||
std::string tmpfn = strprintf("banlist.dat.%04x", randv);
|
||||
|
||||
// serialize banlist, checksum data up to that point, then append csum
|
||||
CDataStream ssBanlist(SER_DISK, CLIENT_VERSION);
|
||||
ssBanlist << FLATDATA(Params().MessageStart());
|
||||
ssBanlist << banSet;
|
||||
uint256 hash = Hash(ssBanlist.begin(), ssBanlist.end());
|
||||
ssBanlist << hash;
|
||||
|
||||
// open temp output file, and associate with CAutoFile
|
||||
boost::filesystem::path pathTmp = GetDataDir() / tmpfn;
|
||||
FILE *file = fopen(pathTmp.string().c_str(), "wb");
|
||||
CAutoFile fileout(file, SER_DISK, CLIENT_VERSION);
|
||||
if (fileout.IsNull())
|
||||
return error("%s: Failed to open file %s", __func__, pathTmp.string());
|
||||
|
||||
// Write and commit header, data
|
||||
try {
|
||||
fileout << ssBanlist;
|
||||
}
|
||||
catch (const std::exception& e) {
|
||||
return error("%s: Serialize or I/O error - %s", __func__, e.what());
|
||||
}
|
||||
FileCommit(fileout.Get());
|
||||
fileout.fclose();
|
||||
|
||||
// replace existing banlist.dat, if any, with new banlist.dat.XXXX
|
||||
if (!RenameOver(pathTmp, pathBanlist))
|
||||
return error("%s: Rename-into-place failed", __func__);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool CBanDB::Read(banmap_t& banSet)
|
||||
{
|
||||
// open input file, and associate with CAutoFile
|
||||
FILE *file = fopen(pathBanlist.string().c_str(), "rb");
|
||||
CAutoFile filein(file, SER_DISK, CLIENT_VERSION);
|
||||
if (filein.IsNull())
|
||||
return error("%s: Failed to open file %s", __func__, pathBanlist.string());
|
||||
|
||||
// use file size to size memory buffer
|
||||
uint64_t fileSize = boost::filesystem::file_size(pathBanlist);
|
||||
uint64_t dataSize = 0;
|
||||
// Don't try to resize to a negative number if file is small
|
||||
if (fileSize >= sizeof(uint256))
|
||||
dataSize = fileSize - sizeof(uint256);
|
||||
std::vector<unsigned char> vchData;
|
||||
vchData.resize(dataSize);
|
||||
uint256 hashIn;
|
||||
|
||||
// read data and checksum from file
|
||||
try {
|
||||
filein.read((char *)&vchData[0], dataSize);
|
||||
filein >> hashIn;
|
||||
}
|
||||
catch (const std::exception& e) {
|
||||
return error("%s: Deserialize or I/O error - %s", __func__, e.what());
|
||||
}
|
||||
filein.fclose();
|
||||
|
||||
CDataStream ssBanlist(vchData, SER_DISK, CLIENT_VERSION);
|
||||
|
||||
// verify stored checksum matches input data
|
||||
uint256 hashTmp = Hash(ssBanlist.begin(), ssBanlist.end());
|
||||
if (hashIn != hashTmp)
|
||||
return error("%s: Checksum mismatch, data corrupted", __func__);
|
||||
|
||||
unsigned char pchMsgTmp[4];
|
||||
try {
|
||||
// de-serialize file header (network specific magic number) and ..
|
||||
ssBanlist >> FLATDATA(pchMsgTmp);
|
||||
|
||||
// ... verify the network matches ours
|
||||
if (memcmp(pchMsgTmp, Params().MessageStart(), sizeof(pchMsgTmp)))
|
||||
return error("%s: Invalid network magic number", __func__);
|
||||
|
||||
// de-serialize address data into one CAddrMan object
|
||||
ssBanlist >> banSet;
|
||||
}
|
||||
catch (const std::exception& e) {
|
||||
return error("%s: Deserialize or I/O error - %s", __func__, e.what());
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
int64_t PoissonNextSend(int64_t nNow, int average_interval_seconds) {
|
||||
return nNow + (int64_t)(log1p(GetRand(1ULL << 48) * -0.0000000000000035527136788 /* -1/2^48 */) * average_interval_seconds * -1000000.0 + 0.5);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user