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path: root/vendor/github.com/jackc/pgx/v5/pgproto3/backend_key_data.go
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-rw-r--r--vendor/github.com/jackc/pgx/v5/pgproto3/backend_key_data.go50
1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/pgproto3/backend_key_data.go b/vendor/github.com/jackc/pgx/v5/pgproto3/backend_key_data.go
new file mode 100644
index 0000000..23f5da6
--- /dev/null
+++ b/vendor/github.com/jackc/pgx/v5/pgproto3/backend_key_data.go
@@ -0,0 +1,50 @@
+package pgproto3
+
+import (
+ "encoding/binary"
+ "encoding/json"
+
+ "github.com/jackc/pgx/v5/internal/pgio"
+)
+
+type BackendKeyData struct {
+ ProcessID uint32
+ SecretKey uint32
+}
+
+// Backend identifies this message as sendable by the PostgreSQL backend.
+func (*BackendKeyData) Backend() {}
+
+// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message
+// type identifier and 4 byte message length.
+func (dst *BackendKeyData) Decode(src []byte) error {
+ if len(src) != 8 {
+ return &invalidMessageLenErr{messageType: "BackendKeyData", expectedLen: 8, actualLen: len(src)}
+ }
+
+ dst.ProcessID = binary.BigEndian.Uint32(src[:4])
+ dst.SecretKey = binary.BigEndian.Uint32(src[4:])
+
+ return nil
+}
+
+// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
+func (src *BackendKeyData) Encode(dst []byte) ([]byte, error) {
+ dst, sp := beginMessage(dst, 'K')
+ dst = pgio.AppendUint32(dst, src.ProcessID)
+ dst = pgio.AppendUint32(dst, src.SecretKey)
+ return finishMessage(dst, sp)
+}
+
+// MarshalJSON implements encoding/json.Marshaler.
+func (src BackendKeyData) MarshalJSON() ([]byte, error) {
+ return json.Marshal(struct {
+ Type string
+ ProcessID uint32
+ SecretKey uint32
+ }{
+ Type: "BackendKeyData",
+ ProcessID: src.ProcessID,
+ SecretKey: src.SecretKey,
+ })
+}