XX-4277 / Fix file transfer crashes

fileTransfer/manager.go

@@ -209,6 +209,12 @@ func NewManager(params Params, user FtE2e) (FileTransfer, error) {
 		m.addFingerprints(rt)
 	}
 
+	jww.INFO.Printf(
+		"[FT] Created new file transfer manager with parameters: %+v"+
+			"\nAdding %d unsent parts to be sent."+
+			"\nQueueing %d incomplete received transfers.",
+		params, len(unsentParts), len(incompleteTransfers))
+
 	return m, nil
 }
 
@@ -319,6 +325,7 @@ func (m *manager) Send(recipient *id.ID, fileName, fileType string,
 	if err != nil {
 		return nil, errors.Errorf(errMarshalInfo, err)
 	}
+
 	err = sendNew(transferInfo)
 	if err != nil {
 		return nil, errors.Errorf(errSendNewMsg, err)
@@ -334,6 +341,10 @@ func (m *manager) Send(recipient *id.ID, fileName, fileType string,
 		return nil, errors.Errorf(errAddSentTransfer, err)
 	}
 
+	jww.DEBUG.Printf("[FT] Created new sent file transfer %s for %q "+
+		"(type %s, size %d bytes, %d parts, retry %f)",
+		st.TransferID(), fileName, fileType, fileSize, numParts, retry)
+
 	// Add all parts to the send queue
 	for _, p := range st.GetUnsentParts() {
 		m.batchQueue <- p