CN111935116B - Method for loading files of intelligent optical network unit - Google Patents
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- CN111935116B CN111935116B CN202010751010.4A CN202010751010A CN111935116B CN 111935116 B CN111935116 B CN 111935116B CN 202010751010 A CN202010751010 A CN 202010751010A CN 111935116 B CN111935116 B CN 111935116B
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/11—File system administration, e.g. details of archiving or snapshots
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
- G06F16/183—Provision of network file services by network file servers, e.g. by using NFS, CIFS
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention provides a method for loading files of an intelligent optical network unit, which comprises the steps of transmitting an addressing message for recording a source address and a target address to an NFS server; receiving an addressing feedback message of the NFS server, and sending a device verification message to the NFS server: if the verification feedback message of the NFS server is not acquired, the optical network unit sends the equipment verification message to the NFS server again according to the addressing feedback message; if the verification feedback message of the NFS server is obtained, the optical network unit mounts a corresponding file path of the NFS server according to the information of the verification feedback message; and the file path mounted by the NFS server is used for storing the system file which correspondingly operates according to the configuration file information. The invention solves the problem that the traditional file system is limited by hardware configuration due to a deployment mode, can perform specified loading of the file system, and avoids the risk of unrecoverable caused by the failure of a single hardware device.
Description
Technical Field
The invention relates to the technical field of network file loading, in particular to a method for loading files of an intelligent optical network unit.
Background
The file system is a method and a data structure used by an operating system to specify files on a storage device (usually a disk, and also a NAND Flash-based solid state disk) or a partition, that is, a method to organize files on the storage device, and a software mechanism in the operating system responsible for managing and storing file information is called a file management system, which is called a file system for short.
The traditional enterprise file system generally adopts a local deployment mode due to the technical limitation of the traditional enterprise file system, and although the deployment mode is convenient and quick in short term, for the development of long-term enterprises, the file system adopting the local deployment mode is easily limited by the hardware configuration of the deployed equipment, namely, the file system is limited by the hardware equipment no matter from the load capacity or the processing capacity of the file system. Meanwhile, since the file system is locally deployed, that is, both the configuration file and the execution file are stored locally, for a single hardware device, once the device itself has a problem, an unrecoverable risk may occur, which affects the actual experience and use of the user.
Disclosure of Invention
In order to solve the defects in the prior art, an object of the present invention is to provide a method for loading a file in an intelligent optical network unit, which enables an optical network unit to use TCP to establish a communication connection to implement remote file system loading to an NFS server by constructing the NFS server and dividing a corresponding file system root directory in the NFS server.
The invention discloses a method for loading files of an intelligent optical network unit, which is applied to the optical network unit and comprises the following steps:
transmitting an addressing message for recording a source address and a target address to an NFS server;
receiving an addressing feedback message of the NFS server, and sending a device verification message to the NFS server:
if the verification feedback message of the NFS server is not acquired, the optical network unit sends the equipment verification message to the NFS server again according to the addressing feedback message;
if the verification feedback message of the NFS server is obtained, the optical network unit mounts a corresponding file path of the NFS server according to the information of the verification feedback message;
and the file path mounted by the NFS server is used for storing the system file which operates correspondingly according to the configuration file information.
As a further optimization of the above scheme, when the optical network unit is started, the transmission working message activates the Uboot program, and the connection communication is performed with the NFS server based on the activated Uboot program.
As a further optimization of the above scheme, after the Uboot program of the optical network unit is activated by the working message, the transmission device configures an interface to the Uboot program, reads and stores the optical network unit device information, writes the destination address information, and sets the optical network unit device information and the destination address information as the environment parameters.
As a further optimization of the above scheme, after the optical network unit obtains the verification feedback packet of the NFS server, the content of the verification feedback packet is written in the environment parameter.
As a further optimization of the above scheme, after the content of the verification feedback message is written in the environment parameter, the work message recording the content of the verification feedback message is transmitted, activated, and written in the Kernel program.
As a further optimization of the above scheme, the Kernel program obtains the environment parameters of the optical network unit, and loads the file mount path of the NFS server based on the configuration information of the environment parameters.
As a further optimization of the above scheme, after the optical network unit sends the device verification message, it is set that no verification feedback message is obtained within T time, and the device verification message is continuously sent; and if the verification feedback message is not acquired within the 2T time, the optical network unit stops sending the equipment verification message.
As a further optimization of the above scheme, the device verification message content includes an SN code, a user name, a password, and an MD5 value of the onu.
As a further optimization of the above solution, the present invention is also applied to an NFS server, including:
receiving an addressing message sent by an optical network unit;
transmitting an addressing feedback message to the optical network unit based on the address information of the optical network unit of the addressing message;
receiving an equipment verification message sent by an optical network unit;
if the stored optical network unit information of the NFS server is matched with the content of the equipment verification message, sending a verification feedback message to the optical network unit;
if the stored optical network unit information of the NFS server is not matched with the content of the equipment verification message, the NFS server does not have response operation;
and the file path mounted by the NFS server is used for storing the system file which correspondingly operates according to the configuration file information.
As a further optimization of the above scheme, after acquiring the mount message after verification sent by the optical network unit, the NFS server mounts the file path, which is stored in the NFS server and is pointed by the mount message, to the optical network unit.
Compared with the prior art, the method for loading the intelligent optical network unit file has the following technical effects that:
1. the invention discloses a method for loading files of an intelligent optical network unit, which comprises the steps of reading environmental parameters of the optical network unit by activating a Kernel program of the optical network unit, obtaining a file path address of an NFS server to be mounted on the optical network unit, mounting a target file address of the NFS server on optical network unit equipment, calling a system file in the mounted target file address to work and operate according to a configuration file stored in the equipment, realizing remote operation of a target system by configuring local files of the optical network unit, avoiding limitation of hardware limitation of local equipment on local file system deployment, and having obvious effect.
2. The method for loading the file of the intelligent optical network unit is convenient for a user to randomly specify the pre-mounted NFS according to the IP address information of the NFS read by the Uboot program, namely based on the method, the matched connection communication between the optical network unit and any NFS server and the managed root file directory thereof can be realized by configuring different IP addresses and correspondingly editing the verification information of the managed root file directory of the NFS server, and the irrecoverable risk of the file system caused by the problem of a single hardware device is avoided.
3. The invention discloses a method for loading files of an intelligent optical network unit, which adopts a mode that an NFS server verifies information of access equipment, compares the information of the access equipment with pre-stored effective equipment information, and feeds back an accessible file system address if matching is successful so that the optical network unit can access a file directory of the NFS server, thereby ensuring that the accessed equipment is effective equipment or safety equipment and preventing the file system from generating risks caused by accessing malignant equipment.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a flowchart of an optical network unit of a method for intelligent optical network unit file loading according to the present invention;
fig. 2 is a flowchart of an NFS server of a method for loading files in an intelligent optical network unit according to the present invention;
fig. 3 is a schematic flowchart of a method for loading files in an intelligent optical network unit according to the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-3, an embodiment of the present invention discloses a method for loading a file of an intelligent optical network unit, which is applied to an optical network unit, and includes:
s100, transmitting an addressing message for recording a source address and a target address to an NFS server;
specifically, the source address and the destination address disclosed by the method for loading the file of the intelligent optical network unit provided by the invention are respectively as follows: a device address pointing to the optical network unit and a file mount address pointing to the NFS server; the optical network unit disclosed by the invention is edge gateway equipment, in particular to communication equipment which comprises a switch, a router and the like and has high-speed network transmission and VLAN configuration;
when the optical network unit is started, a Uboot program arranged in the optical network unit is activated through transmitting a working message, and communication connection with the NFS server is established through the Uboot program.
S200, after receiving an addressing feedback message of the NFS server, the optical network unit sends a device verification message to the NFS server;
specifically, after a Uboot program of the optical network unit is activated by a working message, the transmission device configures an interface to the Uboot program, reads and stores optical network unit device information, writes target address information, and sets the optical network unit device information and the target address information as environmental parameters; more specifically, the content of the device authentication packet includes an environmental parameter of the onu, and the environmental parameter of the onu in the embodiment of the present invention includes an SN code, a user name, a password, an MD5 value, and target address information of the onu;
it should be particularly noted that the environmental parameter of the optical network unit of the present invention is specifically a CMDLINE environmental parameter, the working message is a command for driving the optical network unit to perform information configuration, the optical network unit of the present invention is used to store a configuration file of a file system, and a file path mounted by the NFS server is used to store a system file corresponding to a working operation according to the configuration file information.
More specifically, after the optical network unit is powered on and started, the optical network unit transmits a working message to activate a Uboot program, establishes communication connection with the NFS server through the activated Uboot program, and writes an IP address of the NFS server in CMDLINE environment parameters; after the communication connection between the optical network unit and the NFS server is established through the TCP protocol, the optical network unit acquires an addressing feedback message which is correspondingly sent by the NFS server based on the recording information of the addressing message.
Based on the IP address written in the CMDLINE environmental parameters set by the invention, the data communication between the optical network unit and the NFS server is established, so that the equipment end of the optical network unit can address and feed back the response to the NFS server.
S300, if the verification feedback message of the NFS server is not acquired, the optical network unit sends the equipment verification message to the NFS server again according to the addressing feedback message;
s400, if the verification feedback message of the NFS server is obtained, the optical network unit mounts the file path of the corresponding NFS server according to the information of the verification feedback message;
and the file path mounted by the NFS server is used for storing the system file which operates correspondingly according to the configuration file information.
Specifically, the NFS server configured for centralized storage performs path management and configuration of a file system; in the NFS server, the present invention also prestores and records the information of the optical network unit device capable of supporting accessing the NFS server, including the SN code, the user name, the password, and the MD5 value of the device;
the optical network unit sends a device verification message based on a Uboot program, and transmits and records the content of the optical network unit device information and the pre-mounted file system path information managed by the NFS server to the NFS server; reading the content of the transmitted equipment verification message at the NFS server, matching the content with prestored equipment information of the optical network unit, and if the matching is successful, sending a verification feedback message for recording a file system path to the optical network unit according to the corresponding equipment information of the optical network unit and the source address of the equipment verification message;
the invention discloses a method for loading files of an intelligent optical network unit, which adopts a mode that an NFS server carries out information verification on access equipment, compares the access equipment information with pre-stored effective equipment information, and feeds back an accessible file system address if matching is successful so as to provide the optical network unit for carrying out file directory access of the NFS server, thereby ensuring that the accessed equipment is effective equipment or safety equipment and preventing the file system from generating risks caused by accessing malignant equipment.
Specifically, after the optical network unit is set to send the device verification message, the device verification message is continuously sent without obtaining the verification feedback message within the time T; if the verification feedback message is not acquired within the 2T time, the optical network unit stops sending the equipment verification message; the preferred design T of the present invention is 3s;
more specifically, in the process of sending the device verification message by the optical network unit, the invention also provides a fault-tolerant mechanism, that is, in the effective counting range, if the optical network unit sends the device verification message after a time period T, and if the verification feedback message sent by the NFS server is not obtained, the optical network unit continues to send the device verification message until the NFS server sends the verification feedback message, and the optical network unit correspondingly terminates sending of the device verification message; if the number of times of sending exceeds three times, the equipment verification message sent by the optical network unit is not matched with all the equipment verification messages stored by the NFS server, the optical network equipment is abnormal equipment and cannot pass the information verification of the NFS server, and the NFS server is disconnected with the optical network equipment;
the invention aims at the fault-tolerant mechanism set by the verification message of the optical network unit sending equipment, can effectively ensure that the optical network unit completes the verification process with the NFS server, and avoids the influence on the optical network unit mounting file system caused by the communication fault of the optical network unit and the NFS server due to network abnormity.
Specifically, after acquiring a verification feedback message of the NFS server, the optical network unit writes the content of the verification feedback message into an environment parameter; after the environmental parameters of the optical network unit are written into the contents of the verification feedback message, transmitting and recording a working message of the contents of the verification feedback message to activate a Kernel program, and transmitting the contents of the verification feedback message to the Kernel program;
more specifically, the optical network unit obtains and records a file system path to be accessed by the optical network unit based on a verification feedback message of the NFS server, and writes the file system path into an environmental parameter of the optical network unit; activating a Kernel program arranged on the optical network unit through the working message;
specifically, the Kernel program obtains an environmental parameter of the optical network unit, and loads a file mount path of the NFS server based on configuration information of the environmental parameter.
More specifically, the Kernel program of the optical network unit is activated, the environmental parameters of the optical network unit are read through the Kernel program, the file path address of the NFS server to be mounted on the optical network unit is obtained, that is, the Kernel program mounts the target file address of the NFS server on the optical network unit device according to the environmental parameters and the file path address of the optical network unit, and then calls the system file in the mounted target file address to perform working operation according to the configuration file stored in the device, that is, the remote operation target system is configured through the local file of the optical network unit, so that the hardware limitation of the local device to which the traditional file system is deployed locally is not limited, and the effect is obvious.
The invention discloses a method for loading files of an intelligent optical network unit, which is also applied to an NFS server and comprises the following steps:
receiving an addressing message sent by an optical network unit;
transmitting an addressing feedback message to the optical network unit based on the address information of the optical network unit of the addressing message;
receiving an equipment verification message sent by an optical network unit;
if the optical network unit information stored by the NFS server is searched to be matched with the content of the equipment verification message, sending a verification feedback message to the optical network unit;
if the stored optical network unit information of the NFS server is not matched with the content of the equipment verification message, the NFS server does not influence the operation;
and the file path mounted by the NFS server is used for storing the system file which correspondingly operates according to the configuration file information.
Specifically, the NFS server disclosed by the invention is a device supporting a client to mount a directory shared by NFS servers with network connection communication conditions to a local;
specifically, after acquiring the verified mount message sent by the optical network unit, the NFS server mounts the file path stored in the NFS server and pointed by the mount message to the optical network unit.
Specifically, for example, a local optical network unit mounts a corresponding file on the NFS server based on a file loading requirement of the system;
after the optical network unit is started on power, the Uboot program is started after being activated by a working message, and the equipment configuration interface is transmitted to the Uboot program; setting IP address information of the NFS server, reading and storing optical network unit equipment information, and storing the information to CMDLINE environment parameters;
further, after establishing a TCP connection based on the set IP address of the NFS server, the Uboot program sends the SN code, the user name, the password and the MD5 value of the root file system of the optical network unit for mounting verification;
the NFS server receives the mounting verification information transmitted by the Uboot program, and performs in-device retrieval and matching: based on the received MD5 value, verifying whether a pre-mounted root file system sent by the Uboot program is an effective value, and if the MD5 matching is equal, verifying an SN (serial number) code, a user name and a password of the optical network unit; if the SN code of the verified optical network unit is valid equipment, after the loading is successful through the input user name and password, the corresponding root file system path information is returned to the optical network unit, and if the matching is failed, no response is made;
further, after receiving data returned by the NFS server, the Uboot program writes corresponding root file system path information into the CMDLINE environment parameters and transmits the CMDLINE environment parameters to the Kernel program;
furthermore, after the Kernel program is started, the root file system specified on the external network NFS server is mounted based on the NFS technology according to the CMDLINE environment parameter information.
According to the invention, the file system stored in the NFS server is mounted to the optical network unit, so that the file system of the optical network unit can be converted from the traditional integrated deployment to the quasi-distributed deployment, namely, the configuration file of the traditional file system is separated from the system file, the system file is migrated to the NFS server capable of performing overall management and maintenance, only the light-weight configuration file is locally stored, the memory occupation of the locally stored file system is effectively reduced, and meanwhile, the file system required to be operated is loaded through the highly-configured NFS server; and the upgrade file and the configuration of the corresponding optical network unit are stored in the NFS server, and after the NFS server is mounted to the local by the optical network unit, online upgrade can be performed through the stored upgrade file and the configuration, so that the risk of local upgrade is avoided, and the safety of the necessary configuration file for upgrading the optical network unit is ensured.
As another embodiment of the present invention, the file system pre-loaded to the optical network unit may be transferred or upgraded by backing up or replacing the system file with the file system managed by the NFS server; according to the IP address information of the NFS server read by the Uboot program, the IP address information is loaded to the NFS server of the corresponding IP address, namely based on the invention, a user can conveniently and randomly designate the pre-mounted NFS server, and the matching connection communication between the optical network unit and any NFS server and the root file directory managed by the same can be realized by configuring different IP addresses and correspondingly editing the verification information of the root file directory managed by the NFS server, thereby avoiding the unrecoverable risk of the file system caused by the problem of the single hardware equipment.
The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention according to the present application is not limited to the specific combination of the above-mentioned features, but also covers other embodiments where any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (10)
1. A method for loading files of an intelligent optical network unit is characterized in that: the method is applied to the optical network unit and comprises the following steps:
transmitting an addressing message for recording a source address and a target address to the NFS server;
receiving an addressing feedback message of the NFS server, and sending a device verification message to the NFS server:
if the verification feedback message of the NFS server is not acquired, the optical network unit sends the equipment verification message to the NFS server again according to the addressing feedback message;
if the verification feedback message of the NFS server is obtained, the optical network unit mounts a corresponding file path of the NFS server according to the information of the verification feedback message;
and the file path mounted by the NFS server is used for storing the system file which operates correspondingly according to the configuration file information.
2. The method according to claim 1, wherein the optical network unit transmits the working packet to activate a Uboot program when starting up, and connects and communicates with the NFS server based on the activated Uboot program.
3. The method of claim 2, wherein after the Uboot program of the onu is activated by the working packet, the transmission device configures an interface to the Uboot program, reads and stores the device information of the onu, writes the destination address information, and sets the device information of the onu and the destination address information as environment parameters.
4. The method according to claim 1, wherein the optical network unit writes contents of the verification feedback packet into the environment parameter after acquiring the verification feedback packet of the NFS server.
5. The method according to claim 4, wherein the environment parameter is written in the content of the verification feedback message, and then a working message recording the content of the verification feedback message is transmitted, activated and transmitted to a Kernel program.
6. The method as claimed in claim 5, wherein the Kernel program obtains environment parameters of the onu, and loads the file mount path of the NFS server based on configuration information of the environment parameters.
7. The method according to claim 1, wherein the device verification message is continuously sent without obtaining a verification feedback message within a time T after the optical network unit sends the device verification message; if the verification feedback message is not obtained within the 2T time, the optical network unit stops sending the equipment verification message.
8. The method according to claim 1, wherein the device authentication message content includes an SN code, a username, a password, and an MD5 value of the onu.
9. A method for loading files of an intelligent optical network unit is characterized in that: applied to an NFS server, comprising:
receiving an addressing message sent by an optical network unit;
transmitting an addressing feedback message to the optical network unit based on the address information of the optical network unit of the addressing message;
receiving an equipment verification message sent by an optical network unit;
if the optical network unit information stored by the NFS server is searched to be matched with the content of the equipment verification message, sending a verification feedback message to the optical network unit;
if the stored optical network unit information of the NFS server is not matched with the content of the equipment verification message, the NFS server does not have response operation;
and the file path mounted by the NFS server is used for storing the system file which correspondingly operates according to the configuration file information.
10. The method according to claim 9, wherein the NFS server mounts, after obtaining the mount packet after verification sent by the optical network unit, the file path stored in the NFS server and pointed by the mount packet to the optical network unit.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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