Merge branch 'master' of https://github.com/bingoohuang/seaweedfs

1 files changed, 84 insertions, 0 deletions

diff --git a/weed/filer/mysql/mysql_store.go b/weed/filer/mysql/mysql_store.go
new file mode 100644
index 000000000..fbaa4d5f9
--- /dev/null
+++ b/weed/filer/mysql/mysql_store.go
@@ -0,0 +1,84 @@
+package mysql
+
+import (
+	"database/sql"
+	"fmt"
+	"time"
+
+	"github.com/chrislusf/seaweedfs/weed/filer"
+
+	"github.com/chrislusf/seaweedfs/weed/filer/abstract_sql"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	_ "github.com/go-sql-driver/mysql"
+)
+
+const (
+	CONNECTION_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?charset=utf8"
+)
+
+func init() {
+	filer.Stores = append(filer.Stores, &MysqlStore{})
+}
+
+type MysqlStore struct {
+	abstract_sql.AbstractSqlStore
+}
+
+func (store *MysqlStore) GetName() string {
+	return "mysql"
+}
+
+func (store *MysqlStore) Initialize(configuration util.Configuration, prefix string) (err error) {
+	return store.initialize(
+		configuration.GetString(prefix+"upsertQuery"),
+		configuration.GetBool(prefix+"enableUpsert"),
+		configuration.GetString(prefix+"username"),
+		configuration.GetString(prefix+"password"),
+		configuration.GetString(prefix+"hostname"),
+		configuration.GetInt(prefix+"port"),
+		configuration.GetString(prefix+"database"),
+		configuration.GetInt(prefix+"connection_max_idle"),
+		configuration.GetInt(prefix+"connection_max_open"),
+		configuration.GetInt(prefix+"connection_max_lifetime_seconds"),
+		configuration.GetBool(prefix+"interpolateParams"),
+	)
+}
+
+func (store *MysqlStore) initialize(upsertQuery string, enableUpsert bool, user, password, hostname string, port int, database string, maxIdle, maxOpen,
+	maxLifetimeSeconds int, interpolateParams bool) (err error) {
+
+	store.SupportBucketTable = false
+	if !enableUpsert {
+		upsertQuery = ""
+	}
+	store.SqlGenerator = &SqlGenMysql{
+		CreateTableSqlTemplate: "",
+		DropTableSqlTemplate:   "drop table `%s`",
+		UpsertQueryTemplate:    upsertQuery,
+	}
+
+	sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, password, hostname, port, database)
+	adaptedSqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, "<ADAPTED>", hostname, port, database)
+	if interpolateParams {
+		sqlUrl += "&interpolateParams=true"
+		adaptedSqlUrl += "&interpolateParams=true"
+	}
+
+	var dbErr error
+	store.DB, dbErr = sql.Open("mysql", sqlUrl)
+	if dbErr != nil {
+		store.DB.Close()
+		store.DB = nil
+		return fmt.Errorf("can not connect to %s error:%v", adaptedSqlUrl, err)
+	}
+
+	store.DB.SetMaxIdleConns(maxIdle)
+	store.DB.SetMaxOpenConns(maxOpen)
+	store.DB.SetConnMaxLifetime(time.Duration(maxLifetimeSeconds) * time.Second)
+
+	if err = store.DB.Ping(); err != nil {
+		return fmt.Errorf("connect to %s error:%v", sqlUrl, err)
+	}
+
+	return nil
+}