diff options
Diffstat (limited to 'vendor/github.com/go-redis/redis/internal/errors.go')
-rw-r--r-- | vendor/github.com/go-redis/redis/internal/errors.go | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/vendor/github.com/go-redis/redis/internal/errors.go b/vendor/github.com/go-redis/redis/internal/errors.go new file mode 100644 index 000000000..c93e00818 --- /dev/null +++ b/vendor/github.com/go-redis/redis/internal/errors.go @@ -0,0 +1,75 @@ +package internal + +import ( + "io" + "net" + "strings" +) + +const Nil = RedisError("redis: nil") + +type RedisError string + +func (e RedisError) Error() string { return string(e) } + +func IsRetryableError(err error) bool { + return IsNetworkError(err) || err.Error() == "ERR max number of clients reached" +} + +func IsInternalError(err error) bool { + _, ok := err.(RedisError) + return ok +} + +func IsNetworkError(err error) bool { + if err == io.EOF { + return true + } + _, ok := err.(net.Error) + return ok +} + +func IsBadConn(err error, allowTimeout bool) bool { + if err == nil { + return false + } + if IsInternalError(err) { + return false + } + if allowTimeout { + if netErr, ok := err.(net.Error); ok && netErr.Timeout() { + return false + } + } + return true +} + +func IsMovedError(err error) (moved bool, ask bool, addr string) { + if !IsInternalError(err) { + return + } + + s := err.Error() + if strings.HasPrefix(s, "MOVED ") { + moved = true + } else if strings.HasPrefix(s, "ASK ") { + ask = true + } else { + return + } + + ind := strings.LastIndex(s, " ") + if ind == -1 { + return false, false, "" + } + addr = s[ind+1:] + return +} + +func IsLoadingError(err error) bool { + return strings.HasPrefix(err.Error(), "LOADING") +} + +func IsExecAbortError(err error) bool { + return strings.HasPrefix(err.Error(), "EXECABORT") +} |