diff options
Diffstat (limited to 'cleaner.go')
| -rw-r--r-- | cleaner.go | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/cleaner.go b/cleaner.go new file mode 100644 index 0000000..012b308 --- /dev/null +++ b/cleaner.go @@ -0,0 +1,151 @@ +package main + +import ( + "database/sql" + _ "github.com/go-sql-driver/mysql" + "time" +) + +const ( + DATABASE_USER = "root" + DATABASE_PASS = "pass" + DATABASE_CONNECTION = "" //e.g. "tcp(localhost:55555) + DATABASE_NAME = "netflow" + PROCESS_BATCH = 3 +) + +type RawData struct { + ipSrc string + ipDst string + time time.Time + port int + packetSize int +} + +func derp() (err error) { + db, err := sql.Open("mysql", DATABASE_USER+":"+DATABASE_PASS+"@/"+DATABASE_NAME) + if err != nil { + return + } + defer db.Close() + + rDat, err := fetchRawData(db) + if err != nil { + return + } + + //Begin transaction + tx, err := db.Begin() + if err != nil { + return + } + + //TODO insertCleanedData + + //remove old data + err = purgeRawData(tx, rDat) + if err != nil { + tx.Rollback() + return + } + + tx.Commit() + return +} + +func insertCleanedData(tx *sql.DB, rDat []RawData) (err error) { + return +} + +func fetchRawData(db *sql.DB) (rDat []RawData, err error) { + prepStmt, err := db.Prepare("SELECT * FROM raw_data LIMIT ? ") + if err != nil { + return + } + + rows, err := prepStmt.Query(PROCESS_BATCH) + if err != nil { + return + } + + for rows.Next() { + var r RawData + err = rows.Scan(&r.ipSrc, &r.ipDst, &r.time, &r.port, &r.packetSize) + if err != nil { + return + } + rDat = append(rDat, r) + } + return +} +func purgeRawData(tx *sql.Tx, rDat []RawData) (err error) { + for _, r := range rDat { + prepStmt, err := tx.Prepare("DELETE FROM raw_data WHERE ip_src = ? AND ip_dst = ? AND time = ? AND port = ? AND packet_size = ?") + if err != nil { + return + } + _, err = prepStmt.Exec(r.ipSrc, r.ipDst, r.time, r.port, r.packetSize) + if err != nil { + return + } + } + return +} + +func insertCleanData(db *sql.DB, ipbSrc, ipbDst, volume string, time time.Time, port, occurences int) error { + prepStmt, err := db.Prepare("INSERT INTO clean_data (ipb_src, ipb_dst, time, port, volume, occurenaces) VALUES ( ? , ? , ? , ? , ? , ? , ?) ON DUPLICATE KEY UPDATE occurences = occurences + ?") + if err != nil { + return err + } + + _, err = prepStmt.Exec(ipbSrc, ipbDst, time, port, volume, occurences, occurences) + if err != nil { + return err + } + + return nil +} + +func insertASNIP(db *sql.DB, asn int, ipBlock string) error { + prepCheck, err := db.Prepare("SELECT asn FROM asnip WHERE ip_block = ?") + if err != nil { + return err + } + defer prepCheck.Close() + + rows, err := prepCheck.Exec(ipBlock) + if err != nil { + return err + } + if rows != nil { + return nil + } + + prepIns, err := db.Prepare("INSERT INTO asnip VALUES ( ? , ? )") + if err != nil { + return err + } + defer prepIns.Close() + + _, err = prepIns.Exec(asn, ipBlock) + if err != nil { + return err + } + + return nil +} + +func removeASNIP(db *sql.DB, asn int, ipBlock string) error { + prepStmt, err := db.Prepare("DELETE FROM anip WHERE asn = ? AND ip_block = ?") + if err != nil { + return err + } + defer prepStmt.Close() + + _, err = prepStmt.Exec(asn, ipBlock) + if err != nil { + return err + } + + return nil +} |
