redpitaya.py 文件源码

def installserver(self):
        self.endserver()
        sleep(self.parameters['delay'])
        self.ssh.ask('rw')
        sleep(self.parameters['delay'])
        self.ssh.ask('mkdir ' + self.parameters['serverdirname'])
        sleep(self.parameters['delay'])
        self.ssh.ask("cd " + self.parameters['serverdirname'])
        #try both versions
        for serverfile in ['monitor_server','monitor_server_0.95']:
            sleep(self.parameters['delay'])
            try:
                self.ssh.scp.put(
                    os.path.join(os.path.abspath(os.path.dirname(__file__)), 'monitor_server', serverfile),
                    self.parameters['serverdirname'] + self.parameters['monitor_server_name'])
            except (SCPException, SSHException):
                self.logger.exception("Upload error. Try again after rebooting your RedPitaya..")
            sleep(self.parameters['delay'])
            self.ssh.ask('chmod 755 ./'+self.parameters['monitor_server_name'])
            sleep(self.parameters['delay'])
            self.ssh.ask('ro')
            result = self.ssh.ask("./"+self.parameters['monitor_server_name']+" "+ str(self.parameters['port']))
            sleep(self.parameters['delay'])
            result += self.ssh.ask()
            if not "sh" in result: 
                self.logger.debug("Server application started on port %d",
                              self.parameters['port'])
                return self.parameters['port']
            else: # means we tried the wrong binary version. make sure server is not running and try again with next file
                self.endserver()

        #try once more on a different port
        if self.parameters['port'] == self.parameters['defaultport']:
            self.parameters['port'] = random.randint(self.parameters['defaultport'],50000)
            self.logger.warning("Problems to start the server application. Trying again with a different port number %d",self.parameters['port'])
            return self.installserver()

        self.logger.error("Server application could not be started. Try to recompile monitor_server on your RedPitaya (see manual). ")
        return None