Method readFile

src/main/java/io/file/transfer/TransferTask.java:234–250

(byte b[])

    }

    int readFile(byte b[]) {
        try {
            int len = is.read(b);
            if (len < 0) {
                len = 0;
            }
            filePos += len;
            state = PROGRESS;
            return len;
        } catch (IOException ex) {
            state = ERROR;
            errMsg = "Read error";
            showEvent = true;
            //todo: terminate transfer
            return 0;
        }
    }

    boolean isAcceptWaiting() {
        return state == IN_ASK;