aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--src/db.cpp110
-rw-r--r--src/db.h18
-rw-r--r--src/net.cpp100
-rw-r--r--src/net.h11
4 files changed, 111 insertions, 128 deletions
diff --git a/src/db.cpp b/src/db.cpp
index a286d9f726..1f2ee1c554 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -479,113 +479,3 @@ void CDBEnv::Flush(bool fShutdown)
}
}
-
-
-
-
-
-
-
-
-
-
-//
-// CAddrDB
-//
-
-CAddrDB::CAddrDB()
-{
- pathAddr = GetDataDir() / "peers.dat";
-}
-
-bool CAddrDB::Write(const CAddrMan& addr)
-{
- // Generate random temporary filename
- unsigned short randv = 0;
- RAND_bytes((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 = CAutoFile(file, SER_DISK, CLIENT_VERSION);
- if (!fileout)
- return error("CAddrman::Write() : open failed");
-
- // Write and commit header, data
- try {
- fileout << ssPeers;
- }
- catch (std::exception &e) {
- return error("CAddrman::Write() : I/O error");
- }
- FileCommit(fileout);
- fileout.fclose();
-
- // replace existing peers.dat, if any, with new peers.dat.XXXX
- if (!RenameOver(pathTmp, pathAddr))
- return error("CAddrman::Write() : Rename-into-place failed");
-
- return true;
-}
-
-bool CAddrDB::Read(CAddrMan& addr)
-{
- // open input file, and associate with CAutoFile
- FILE *file = fopen(pathAddr.string().c_str(), "rb");
- CAutoFile filein = CAutoFile(file, SER_DISK, CLIENT_VERSION);
- if (!filein)
- return error("CAddrman::Read() : open failed");
-
- // use file size to size memory buffer
- int fileSize = GetFilesize(filein);
- int dataSize = fileSize - sizeof(uint256);
- //Don't try to resize to a negative number if file is small
- if ( dataSize < 0 ) dataSize = 0;
- 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 (std::exception &e) {
- return error("CAddrman::Read() 2 : I/O error or stream data corrupted");
- }
- 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("CAddrman::Read() : checksum mismatch; data corrupted");
-
- 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("CAddrman::Read() : invalid network magic number");
-
- // de-serialize address data into one CAddrMan object
- ssPeers >> addr;
- }
- catch (std::exception &e) {
- return error("CAddrman::Read() : I/O error or stream data corrupted");
- }
-
- return true;
-}
-
diff --git a/src/db.h b/src/db.h
index e041a59300..66d7f31917 100644
--- a/src/db.h
+++ b/src/db.h
@@ -305,22 +305,4 @@ public:
bool static Rewrite(const std::string& strFile, const char* pszSkip = NULL);
};
-
-
-
-
-
-
-
-/** Access to the (IP) address database (peers.dat) */
-class CAddrDB
-{
-private:
- boost::filesystem::path pathAddr;
-public:
- CAddrDB();
- bool Write(const CAddrMan& addr);
- bool Read(CAddrMan& addr);
-};
-
#endif // BITCOIN_DB_H
diff --git a/src/net.cpp b/src/net.cpp
index fcef9feea0..afffbdf1da 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1942,3 +1942,103 @@ void CNode::Fuzz(int nChance)
// (more changes exponentially less likely):
Fuzz(2);
}
+
+//
+// CAddrDB
+//
+
+CAddrDB::CAddrDB()
+{
+ pathAddr = GetDataDir() / "peers.dat";
+}
+
+bool CAddrDB::Write(const CAddrMan& addr)
+{
+ // Generate random temporary filename
+ unsigned short randv = 0;
+ RAND_bytes((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 = CAutoFile(file, SER_DISK, CLIENT_VERSION);
+ if (!fileout)
+ return error("CAddrman::Write() : open failed");
+
+ // Write and commit header, data
+ try {
+ fileout << ssPeers;
+ }
+ catch (std::exception &e) {
+ return error("CAddrman::Write() : I/O error");
+ }
+ FileCommit(fileout);
+ fileout.fclose();
+
+ // replace existing peers.dat, if any, with new peers.dat.XXXX
+ if (!RenameOver(pathTmp, pathAddr))
+ return error("CAddrman::Write() : Rename-into-place failed");
+
+ return true;
+}
+
+bool CAddrDB::Read(CAddrMan& addr)
+{
+ // open input file, and associate with CAutoFile
+ FILE *file = fopen(pathAddr.string().c_str(), "rb");
+ CAutoFile filein = CAutoFile(file, SER_DISK, CLIENT_VERSION);
+ if (!filein)
+ return error("CAddrman::Read() : open failed");
+
+ // use file size to size memory buffer
+ int fileSize = GetFilesize(filein);
+ int dataSize = fileSize - sizeof(uint256);
+ //Don't try to resize to a negative number if file is small
+ if ( dataSize < 0 ) dataSize = 0;
+ 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 (std::exception &e) {
+ return error("CAddrman::Read() 2 : I/O error or stream data corrupted");
+ }
+ 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("CAddrman::Read() : checksum mismatch; data corrupted");
+
+ 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("CAddrman::Read() : invalid network magic number");
+
+ // de-serialize address data into one CAddrMan object
+ ssPeers >> addr;
+ }
+ catch (std::exception &e) {
+ return error("CAddrman::Read() : I/O error or stream data corrupted");
+ }
+
+ return true;
+}
diff --git a/src/net.h b/src/net.h
index effce35dc4..28359ea12b 100644
--- a/src/net.h
+++ b/src/net.h
@@ -690,4 +690,15 @@ class CTransaction;
void RelayTransaction(const CTransaction& tx, const uint256& hash);
void RelayTransaction(const CTransaction& tx, const uint256& hash, const CDataStream& ss);
+/** Access to the (IP) address database (peers.dat) */
+class CAddrDB
+{
+private:
+ boost::filesystem::path pathAddr;
+public:
+ CAddrDB();
+ bool Write(const CAddrMan& addr);
+ bool Read(CAddrMan& addr);
+};
+
#endif
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-18 21:11:16 +0000