[#189] client: Make PrmInit fields public for client

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

client/client.go

@@ -144,21 +144,23 @@ func (c *Client) Close() error {
 //
 // See also Init.
 type PrmInit struct {
-	disableFrostFSErrorResolution bool
+	DisableFrostFSErrorResolution bool
 
-	key ecdsa.PrivateKey
+	Key ecdsa.PrivateKey
 
-	cbRespInfo func(ResponseMetaInfo) error
+	ResponseInfoCallback func(ResponseMetaInfo) error
 
-	netMagic uint64
+	NetMagic uint64
 }
 
 // SetDefaultPrivateKey sets Client private key to be used for the protocol
 // communication by default.
 //
 // Required for operations without custom key parametrization (see corresponding Prm* docs).
+//
+// Deprecated: Use PrmInit.Key instead.
 func (x *PrmInit) SetDefaultPrivateKey(key ecdsa.PrivateKey) {
-	x.key = key
+	x.Key = key
 }
 
 // Deprecated: method is no-op. Option is default.
@@ -169,14 +171,18 @@ func (x *PrmInit) ResolveFrostFSFailures() {
 // FrostFS protocol only in resulting structure (see corresponding Res* docs).
 // These errors are returned from each protocol operation. By default, statuses
 // are resolved and returned as a Go built-in errors.
+//
+// Deprecated: Use PrmInit.DisableFrostFSErrorResolution instead.
 func (x *PrmInit) DisableFrostFSFailuresResolution() {
-	x.disableFrostFSErrorResolution = true
+	x.DisableFrostFSErrorResolution = true
 }
 
 // SetResponseInfoCallback makes the Client to pass ResponseMetaInfo from each
 // FrostFS server response to f. Nil (default) means ignore response meta info.
+//
+// Deprecated: Use PrmInit.ResponseInfoCallback instead.
 func (x *PrmInit) SetResponseInfoCallback(f func(ResponseMetaInfo) error) {
-	x.cbRespInfo = f
+	x.ResponseInfoCallback = f
 }
 
 // PrmDial groups connection parameters for the Client.