CN101355466A - Method and apparatus for transmitting continuous check information message - Google Patents
Method and apparatus for transmitting continuous check information message Download PDFInfo
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- CN101355466A CN101355466A CNA2008102139742A CN200810213974A CN101355466A CN 101355466 A CN101355466 A CN 101355466A CN A2008102139742 A CNA2008102139742 A CN A2008102139742A CN 200810213974 A CN200810213974 A CN 200810213974A CN 101355466 A CN101355466 A CN 101355466A
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Abstract
The invention discloses a transmission method and a transmission device for the continuity check of messages, which are applied to a communication system comprising a line card and a main control board. The method comprises the following steps: the main control board is provided with a protocol processing card, wherein the protocol processing card is used to process the continuity check of the messages; and a switching chip of the main control board sends the messages to the protocol processing card under the condition of receiving the messages from the line card. The transmission method and the transmission device for the continuity check of the messages improve the receiving and sending efficiency of the messages.
Description
Technical field
The present invention relates to the communications field, in particular to the transmission method and the device of a kind of continuity check message (Continuity Check Message abbreviates CCM as) message.
Background technology
At present, along with the application of ethernet technology in Operation Network constantly increases, its autgmentability, reliability, fail safe and manageability are had higher requirement.In order to realize transmitting the identical service level of net with the conventional telecommunications level, Carrier Ethernet will be transmitted the new selection of net as future, wherein, the operation of Ethernet, management, safeguard (Operations, Administration, and Maintenance, abbreviate OAM as) be one of emphasis of research, main literature about Ethernet OAM has: Institute of Electrical and Electronics Engineers (Institute of Electrical and Electronics Engineers, abbreviate IEEE as) 802.3ah OAM, IEEE 802.1ag Connectivity Fault Management (Connectivity FaultManagement, abbreviate CFM as) and International Telecommunications Union's (InternationalTelecommunication Union abbreviates ITU as)-T Y.1731 based on the OAM(Operation Administration Maintenance) of Ethernet and mechanism (OAM Functions and Mechanisms for EthernetBased Networks).
Before IEEE 802.1ag CFM (following will the abbreviate Ethernet CFM as) standard mesh is the draft of IEEE, the instrument that Ethernet CFM provides monitoring and fault to get rid of for end-to-end Ethernet, make telecom operators can check end-to-end connection, the isolation network problem, and discern the client who influenced by network problem.Ethernet CFM has defined following notion:
(1) maintenance field (Maintenance Domain abbreviates MD as), its failure of connectivity can be managed by the part of network or network.
(2) safeguard associating terminal point (Maintenance Association End Point, abbreviate MEP as), the Connectivity Fault Management relevant (Continuity Fault Management with the territory Service Access Point of a specific service entities, abbreviate CFM as) entity, it can produce and receive CFM protocol Data Unit (Protocol Data Unit abbreviates PDU as) and follow the trail of any response; MEP is a terminal point of safeguarding associating (Maintenance Association abbreviates MA as), is the terminal point to the maintenance entity of the separation of each other MEP in same MA.
(3) MA is one group of MEP of the integrality of checking an independent Service Instance having of setting up of identical maintenance associating ID (abbreviating MAID as) and maintenance field tier definition; MA also can be considered to a management entity of the whole mesh that the MEP by a configuration set forms.
(4) maintenance field grade (MD Level, abbreviate MDL as), each MD has a MDL), it is the key parameter of realizing the nested use of CFM, VLAN ID (VLAN Identification abbreviates VID as) in MDL and VLAN (Virtual Local Area Network the abbreviates VLAN as) label (tag) be used for together identifying a CFM frame the VID association be which maintenance field, and identify this CFM frame and which belongs to safeguard associating, the scope of MD grade is 0-7.
The OAM fault management message that has defined at present comprises CCM; loopback message (Loopback Message; abbreviate LBM as); link trace message (Link TraceMessage; abbreviate LTM as) etc.; wherein; the message of Millisecond has only CCM; Ethernet continuity check function is a kind of active OAM(Operation Administration Maintenance); can be used for detecting and be in the arbitrary of a MA the Loss of continuity between the MEP; can be used for detecting two incorrect links between the MA; also can be used for detecting situation and the other defect situation that links to each other with wrong MEP a MA appearance, CCM can be applied to fault management; performance monitoring or switch protection.
Fig. 1 is the system architecture diagram of handling according to the CCM message of correlation technique, as shown in Figure 1, the structure of CCM and transmitting-receiving at present relies on the protocol process module of specifying on the ply-yarn drill to realize, configuration has central processing unit (Central Processing Unit, abbreviate CPU as) ply-yarn drill 1, and configuration has network processing unit (Network Processing Unit, abbreviate NPU as) ply-yarn drill 2, wherein, ply-yarn drill 2 is responsible for safeguarding the MEP list item of complete machine frame, the CCM list item of similar number just, be referred to as the protocol processes ply-yarn drill, after other ply-yarn drill port received the CCM message, to master control borad, master control borad just can send to this protocol processes ply-yarn drill to twice transparent transmission of ply-yarn drill and handle by ply-yarn drill; The CCM message that needs to send also will send to corresponding ply-yarn drill port by master control borad by ply-yarn drill 2.
By said process as can be seen, there are the following problems in the transmission of present CCM message:
(1) transmission of CCM message and RX path all will have the two-stage transparent transmission, one-level is to receive ply-yarn drill to master control borad, another level is that master control borad arrives protocol processes ply-yarn drill (except the message that the port of protocol processes ply-yarn drill receives or sends), because the CCM message is a rapid message, speed is Millisecond, and the frequent transparent transmission of a large amount of messages can cause the communication between plates of equipment and data traffic to increase, if under the busy situation of equipment, be easy to cause message in time not send or to receive, thereby cause the network concussion.
(2) protocol processes ply-yarn drill itself need take a groove position, if there is outer outbound port in this ply-yarn drill, the data traffic of then being somebody's turn to do outer outbound port also can influence the transmitting-receiving of CCM message.
(3) NPU also will carry out the processing of a lot of significant data bags usually; for example; strategy route, multi protocol label exchange (Multiprotocol Label Switching; abbreviate MPLS as) or the like; but because the bandwidth of the port of NPU can be taken by a large amount of CCM messages, NPU need use regularly transceive data bag of timer; need to use micro engine to come analytic message or the like, so NPU processing CCM will take its resource in a large number.
Summary of the invention
Data traffic increases that thereby the CCM message that causes can not in time be received and dispatched or network concussion, special protocol are handled ply-yarn drill and taken a groove position and CCM message and handle and take a large amount of NPU problem of resource and propose the present invention between the plate that causes at a large amount of transparent transmissions of present CCM message, for this reason, the present invention aims to provide a kind of transmission method and device of CCM message, to solve one of the problems referred to above at least.
A kind of transmission method of continuous check information message is provided according to an aspect of the present invention.
According to the transmission method of continuous check information message of the present invention, be applied to comprise the communication system of ply-yarn drill and master control borad, said method comprises: the protocol processes card is set on master control borad, and wherein, the protocol processes card is used to handle continuous check information message; Under situation about receiving from the message of ply-yarn drill, the exchange chip of master control borad sends to the protocol processes card with message.
Preferably, be provided with on master control borad after the protocol processes card, said method also comprises: the central processing unit of master control borad is set up information table on the protocol processes card, and wherein, information table comprises the list item that is used to identify the continuity check information.
Preferably, the exchange chip of master control borad will send to the protocol processes card from the message of ply-yarn drill after, said method also comprised: the protocol processes card judges whether message is continuous check information message; In judged result is under the situation that is, if message is the transparent transmission message, then sends message from the port that receives message, if message is local message, then judges the list item that whether has in the information table with the message coupling; Judging that message is not under the situation of continuous check information message, with packet loss.
Preferably, judge that at the protocol processes card message is that continuous check information message and message are that said method also comprises under the situation of local message: the protocol processes card is judged the list item that whether exists in the information table with the message coupling; In judged result is under the situation that is, check whether message is error message, if message is an error message, then the protocol processes card reports interruption to central processing unit, if message is not an error message, then the count pick up device that presets in the list item is changed to default initial value and count pick up is thought highly of newly and pick up counting; In judged result is not exist in the information table under the situation of the list item that mates with message, and message reporting is handled to central processing unit.
Preferably, the central processing unit of master control borad was set up information table on the protocol processes card after, said method also comprised: the protocol processes card carries out poll every the scheduled time to information table to be handled; If the poll result is the interruption predetermined value for the count pick up device that presets in the list item of information table, and does not receive the continuous check information message of list item correspondence, then the protocol processes card reports interruption to central processing unit.
Preferably, after the protocol processes card was set on master control borad, said method also comprised: the protocol processes card judges whether to exist the transparent transmission message; In judged result is under the situation that is, the transparent transmission message is sent to exchange chip, and exchange chip receives the transparent transmission message, and continuous check information message is sent to ply-yarn drill; In judged result is under the situation not, the protocol processes card carries out poll every the scheduled time to information table to be handled, if the poll result is the state of the list item of information table is effectively, then the protocol processes card is set up continuous check information message according to list item, continuity check message is sent to exchange chip, exchange chip receives continuous check information message, and continuous check information message is sent to ply-yarn drill.
A kind of transmitting device of continuous check information message is provided according to a further aspect in the invention.
Transmitting device according to continuous check information message of the present invention, be applied to comprise the communication system of ply-yarn drill and master control borad, said apparatus comprises: first is provided with module, is used for being provided with on master control borad the protocol processes card, wherein, the protocol processes card is used to handle continuous check information message; First receiver module is used to receive the message from ply-yarn drill; First sending module is used for message is sent to the protocol processes card.
Preferably, said apparatus also comprises: first sets up module, is used for setting up information table on the protocol processes card, and wherein, information table comprises the list item that is used to identify the continuity check information.
Preferably, said apparatus also comprises: first judge module is used to judge whether message is continuous check information message; Second judge module is used to judge the type of message; The 3rd judge module is used for information table and whether has the list item that mates with message; The 4th judge module is used to judge whether message is error message; Discard module is used for packet loss; Second is provided with module, is used to be provided with the count pick up device that presets of list item; First reporting module is used for reporting interruption to central processing unit; Second reporting module is used for message reporting is handled to central processing unit.
Preferably, said apparatus also comprises: the poll module is used for every the scheduled time information table being carried out poll and handles; Second sets up module, is used for setting up continuous check information message according to list item; The 5th judge module is used to judge whether to exist the transparent transmission message; Second sending module is used for continuous check information message is sent to exchange chip; Second receiver module is used to receive the continuous check information message from second sending module; The 3rd sending module is used for the continuous check information message that second receiver module receives is sent to ply-yarn drill, and the 4th sending module is used to send the transparent transmission message.
By the present invention, employing is provided with a protocol processes card on master control borad, be responsible for the method for the transmitting-receiving of CCM message by the protocol processes card, solved between the plate that a large amount of transparent transmissions of present CCM message cause data traffic and increased that thereby the CCM message that causes can not in time be received and dispatched or the problem of network concussion, improved the transmitting-receiving efficient of CCM message, avoid taking a groove position because special protocol handles ply-yarn drill more, and solved the processing of CCM message and taken a large amount of NPU problem of resource, reduced the consumption of resource.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the system architecture diagram of handling according to the CCM message of correlation technique;
Fig. 2 is the system architecture diagram that is used to implement the CCM message processing method of the embodiment of the invention;
Fig. 3 is the flow chart according to the transmission method of the CCM message of the embodiment of the invention;
Fig. 4 is the flow chart according to the transmission CCM message of the embodiment of the invention;
Fig. 5 is the flow chart according to the reception CCM message of the embodiment of the invention;
Fig. 6 is the structured flowchart according to the transmitting device of the CCM message of the embodiment of the invention;
Fig. 7 is the concrete structure block diagram according to the transmitting device of the CCM message of the embodiment of the invention.
Embodiment
Functional overview
Fig. 2 is the system architecture diagram that is used to implement the CCM message processing method of the embodiment of the invention.As shown in Figure 2, by a protocol processes card is set on the master control borad, the protocol processes card is communicated by letter with exchange chip with master control borad CPU; Realize the processing of CCM message by being arranged on protocol processes card on the master control borad, can reduce the transparent transmission of a message, and not need special ply-yarn drill groove position to handle the CCM message, also do not need NPU to participate in message simultaneously and handle.Wherein, the protocol processes card main devices that is arranged on the master control borad is a slice field programmable gate array (Field Programmable Gate Array abbreviates FPGA as) (that is a protocol process module), be responsible for the transmitting-receiving of CCM message by it, FPGA communicates by bus and master control borad CPU, and CPU is responsible for setting up the CCM session, after this, CPU will be configured in the list item of the CCM information table in the FPGA, the transmitting-receiving of CCM message will be responsible for by FPGA, and CPU will can not participate in, and alleviate the burden of CPU.If session status changes, then FPGA will report and interrupt giving CPU, and CPU will inquire about the list item at this session place and handle.FPGA also communicates by letter with the exchange chip of master control borad by another bus, is responsible for the transmitting-receiving of CCM message.
To describe the present invention with reference to the accompanying drawings in detail based on above-mentioned CCM message handling system below.
Method embodiment
According to embodiments of the invention, a kind of transmission method of CCM message is provided, be applied to comprise the communication system of ply-yarn drill and master control borad.Fig. 3 is the flow chart according to the transmission method of the CCM message of the embodiment of the invention, and as shown in Figure 3, this method comprises:
Step S302 is provided with the protocol processes card on master control borad, wherein, the protocol processes card is used to handle continuous check information message (system configuration after being provided with as shown in Figure 2);
Step S304, under situation about receiving from the message of ply-yarn drill, the exchange chip of master control borad sends to the protocol processes card with message.
By this processing, employing is provided with a protocol processes card on master control borad, be responsible for the transmitting-receiving of CCM message by the protocol processes card, the CCM message is handled carried out on master control borad, need not to be transparent to again ply-yarn drill, avoid occurring the transmitting-receiving that data traffic increases influences the CCM message; And need not take a ply-yarn drill groove position, can reduce the resource consumption of network processing unit.
Describe the transmission of CCM message respectively and receive processing below in conjunction with Fig. 4 and Fig. 5.
Fig. 4 is according to the flow chart of the transmission CCM message of the embodiment of the invention, as shown in Figure 4, comprises the steps:
Step S402, the CPU of master control borad sets up MEP;
Step S404, CPU sets up information table on the protocol processes card, and wherein, information table comprises the list item that is used to identify CCM information,, CCM information is write FPGA that is, and the list item of the CCM information table of initialization FPGA, wherein, 1000 list items of the maximum support of FPGA; After this, the transmitting-receiving of CCM message will (that is, FPGA) be responsible for, CPU will can not participate in, can offloading the CPU by protocol process module;
Step S406, the protocol processes card judges whether to exist the transparent transmission message,, judges whether the message that receives needs transparent transmission, is under the situation that is in judged result, proceeds to step S412 that is, is under the situation not in judged result, proceeds to step S408;
Step S408, protocol processes card carry out poll every the scheduled time to information table to be handled; Particularly, FPGA begins all list items of poll once every 1ms from the base address;
Step S410 judges whether the state of this list item is effective, is under the situation that is in judged result, proceeds to step S412, is under the situation not in judged result, is back to step S406;
Step S412 starts the flow process of giving out a contract for a project, particularly, for transparent transmission message from step S406, send by former port,, will send according to the CCM message of this list item structure for operation from step S410, the protocol processes card is set up the CCM message according to list item, the CCM message is sent to exchange chip, and exchange chip receives the CCM message, and the CCM message is sent to ply-yarn drill, after this, be back to step S406 and carry out circular treatment.
Fig. 5 is according to the flow chart of the reception CCM message of the embodiment of the invention, as shown in Figure 5, comprises the steps:
Step S502, the CPU of master control borad sets up MEP;
Step S504, CPU sets up information table on the protocol processes card, and wherein, information table comprises the list item that is used for CCM information,, CCM information will be write FPGA that is, and the list item of the CCM information table of initialization FPGA, wherein, 1000 list items of the maximum support of FPGA;
Step S506 judges whether to receive packet, is under the situation that is in judged result, proceeds to step S508, is under the situation not in judged result, proceeds to step S524;
Step S508, protocol processes card judge whether message is the CCM message, is under the situation that is in judged result, proceeds to step S512, are under the situation not in judged result, proceed to step S510;
Step S510 is with packet loss;
Step S512, there is the transparent transmission message in the judgement of protocol processes card, is under the situation that is in judged result, proceeds to step S514, is under the situation not in judged result, proceeds to step S516;
Step S514, the notice transmission flow sends the transparent transmission message from the port (that is, former port) that receives message,, the transparent transmission message is sent to exchange chip that is, and exchange chip receives the transparent transmission message, and the transparent transmission message is sent to ply-yarn drill;
Step S516, at this moment, above-mentioned message is local message, judges the list item that whether exists in the information table with the message coupling; That is, (for example: the hash algorithm) tabling look-up, judge whether to hit certain list item, is under the situation that is in judged result, proceeds to step S520, is under the situation not in judged result, proceeds to step S518 by certain algorithm according to self-defining keyword;
Step S518 handles message reporting to CPU;
Step S520, judge whether message is wrong, promptly, check whether message is error message, and wherein, list item has defined the error id field can characterize type of error, if in detection time, certain list item does not receive the CCM message, then reports this connection error, for the message that hits list item, Ethernet CFM has defined 5 kinds of type of errors, except not receiving detection time message reports an error, also has the MDL mistake, MA ID mistake, MEP ID mistake etc., more than several mistakes in a single day be detected, then need to report and interrupt to give CPU, be responsible for carrying out fault processing by CPU; In judged result is under the situation that is, proceeds to step S526, is under the situation not in judged result, proceeds to step S522;
Step S522 is changed to the count pick up device that presets (Rx Timer) of list item default initial value and makes Rx Timer restart timing; That is, represent that this MEP receives the message that the opposite end sends this moment, Rx Timer should be changed to initial value;
After step S504, the protocol processes card carries out poll every the scheduled time to information table to be handled; Particularly, FPGA every all list item of 1ms poll once, every poll is once, the Rx Timer of each list item is subtracted 1, and the value of Rx Timer is consulted in advance by the both sides that set up MEP, for example, Rx Timer=10 represents that be 10ms detection time, and the minimum detection time of this embodiment support is 1ms;
Step S524, judge whether Rx Timer=0, that is, judging whether the poll result is that the Rx Timer that presets in the list item of information table interrupts predetermined value, is under the situation that is in judged result, promptly, when Rx Timer reduces to 0, and when not receiving the CCM message of list item correspondence, proceed to step S526, in judged result is under the situation not, is back to step S506;
Step S526 represents that this MEP interrupts (down), and the protocol processes card reports interruption to CPU.
Device embodiment
According to embodiments of the invention, provide a kind of transmitting device of CCM message.Fig. 6 is the structured flowchart according to the transmitting device of the CCM message of the embodiment of the invention, as shown in Figure 6, this device is applied to comprise the communication system of ply-yarn drill and master control borad, this device comprises: first is provided with module 62, first receiver module 64, first sending module 66, below said structure is described in detail.
First is provided with module 62, is used for being provided with on master control borad the protocol processes card, and wherein, the protocol processes card is used to handle the CCM message.
First sending module 66 is connected to first receiver module 64, is used for message is sent to the protocol processes card.
By this embodiment, employing is provided with a protocol processes card on master control borad, be responsible for the method for the transmitting-receiving of CCM message by the protocol processes card, the CCM protocol processes is carried out on master control borad, need not to be transparent to again ply-yarn drill, avoiding occurring the data traffic increase influences the transmitting-receiving of CCM message, and need not take a ply-yarn drill groove position, can also reduce the resource consumption of NPU in addition.
Fig. 7 is the concrete structure block diagram according to the transmitting device of the CCM message of the embodiment of the invention, as shown in Figure 7, said apparatus also comprises: first sets up module 702, first judge module 704, second judge module 706, the 3rd judge module 708, the 4th judge module 710, discard module 712, second is provided with module 714, first reporting module 716, poll module 718, second reporting module 720, second sets up module 722, second sending module 724, second receiver module 726, the 3rd sending module 728, the 5th judge module 730, the 4th sending module 732 is described in detail said structure below.
First sets up module 702, is connected to first module 62 is set, and is used for setting up information table on the protocol processes card, and wherein, information table comprises the list item that is used to identify CCM information.
First judge module 704 is connected to first sending module 66, is used to judge whether the message that first sending module 66 sends is the CCM message.
The 3rd judge module 708 is connected to second judge module 706, and the judged result that is used for second judge module 706 is that type of message is under the local message situation of (that is, not belonging to the transparent transmission message), judges the list item that whether exists in the information table with the message coupling.
The 4th judge module 710 is connected to the 3rd judge module 708, and the judged result that is used for the 3rd judge module 708 is under the situation that is, judges whether message is error message.
Discard module 712 is connected to first judge module 704, and the judged result that is used at first judge module 704 is under the situation not, with packet loss;
Second is provided with module 714, is connected to the 4th judge module 710, is used to be provided with the Rx Timer that presets of list item, particularly, is under the situation that is in the judged result of the 4th judge module 710, and Rx Timer is set to interrupt predetermined value.
Poll module 718 is connected to first and sets up module 702, is used for every the scheduled time information table being carried out poll and handles.
Second reporting module 720 is connected to the 3rd judge module 708 and poll module 714, is used for reporting interruption according to the judged result of the 3rd judge module 708 and the poll result of poll module 718 to CPU;
Second sets up module 722, is connected to poll module 718, is used for setting up the CCM message according to the poll result and the list item of poll module 718.
Second sending module 724 is connected to second and sets up module 722, is used for the second CCM message of setting up module 722 foundation is sent to exchange chip.
Second receiver module 726 is connected to second sending module 724, is used to receive the CCM message from second sending module 724.
The 3rd sending module 728 is connected to second receiver module 726, is used for the CCM message of second receiver module reception 726 is sent to ply-yarn drill.
The 5th judge module 730 is connected to first and sets up module 702, is used to judge whether to exist the transparent transmission message.
The 4th sending module 732 is connected to second judge module 706 and the 5th judge module 730, is used for sending the transparent transmission message according to the judged result of second judge module 706 and the 5th judge module 730.
By the present invention, employing is provided with a protocol processes card on master control borad, be responsible for the method for the transmitting-receiving of CCM message by the protocol processes card, solved between the plate that a large amount of transparent transmissions of present CCM message cause data traffic and increased that thereby the CCM message that causes can not in time be received and dispatched or the problem of network concussion, improved the transmitting-receiving efficient of CCM message, avoid taking a groove position because special protocol handles ply-yarn drill more, and solved the processing of CCM message and taken a large amount of network processing unit problem of resource, reduced the consumption of resource.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the transmission method of a continuous check information message is applied to comprise the communication system of ply-yarn drill and master control borad it is characterized in that described method comprises:
The protocol processes card is set on described master control borad, and wherein, described protocol processes card is used to handle continuous check information message;
Under situation about receiving from the message of described ply-yarn drill, the exchange chip of described master control borad sends to described protocol processes card with described message.
2. method according to claim 1 is characterized in that, is provided with on described master control borad after the protocol processes card, and described method also comprises:
The central processing unit of described master control borad is set up information table on described protocol processes card, wherein, described information table comprises the list item that is used to identify the continuity check information.
3. method according to claim 2 is characterized in that, the exchange chip of described master control borad will send to described protocol processes card from the described message of described ply-yarn drill after, described method also comprised:
Described protocol processes card judges whether described message is continuous check information message;
In judged result is under the situation that is, if described message is the transparent transmission message, then sends described message from the port that receives described message, if described message is local message, then judges the list item that whether has in the described information table with described message coupling;
Judging that described message is not under the situation of continuous check information message, with described packet loss.
4. method according to claim 3 is characterized in that, judges that at described protocol processes card described message is that continuous check information message and described message are under the situation of local message, and described method also comprises:
Described protocol processes card is judged the list item that whether exists in the described information table with described message coupling;
In judged result is under the situation that is, check whether described message is error message, if described message is an error message, then described protocol processes card reports interruption to described central processing unit, if described message is not an error message, then the count pick up device that presets in the described list item is changed to default initial value and described count pick up is thought highly of newly and pick up counting;
In judged result is not exist in the described information table under the situation of the list item that mates with described message, handles to described central processing unit described message reporting.
5. method according to claim 2 is characterized in that, the central processing unit of described master control borad was set up information table on described protocol processes card after, described method also comprised:
Described protocol processes card carries out poll every the scheduled time to described information table to be handled;
If the poll result is the interruption predetermined value for the count pick up device that presets in the list item of described information table, and does not receive the continuous check information message of described list item correspondence, then described protocol processes card reports interruption to described central processing unit.
6. method according to claim 2 is characterized in that, described the protocol processes card is set on master control borad after, described method also comprises:
Described protocol processes card judges whether to exist the transparent transmission message;
In judged result is under the situation that is, described transparent transmission message is sent to described exchange chip, and described exchange chip receives described transparent transmission message, and described continuous check information message is sent to described ply-yarn drill;
In judged result is under the situation not, described protocol processes card carries out poll every the scheduled time to described information table to be handled, if the poll result is the state of the list item of described information table is effectively, then described protocol processes card is set up continuous check information message according to described list item, described continuity check message is sent to described exchange chip, described exchange chip receives described continuous check information message, and described continuous check information message is sent to described ply-yarn drill.
7. the transmitting device of a continuous check information message is applied to comprise the communication system of ply-yarn drill and master control borad it is characterized in that described device comprises:
First is provided with module, is used for being provided with on described master control borad the protocol processes card, and wherein, described protocol processes card is used to handle continuous check information message;
First receiver module is used to receive the message from described ply-yarn drill;
First sending module is used for described message is sent to described protocol processes card.
8. device according to claim 7 is characterized in that, also comprises:
First sets up module, is used for setting up information table on described protocol processes card, and wherein, described information table comprises the list item that is used to identify the continuity check information.
9. device according to claim 8 is characterized in that, also comprises:
First judge module is used to judge whether described message is continuous check information message;
Second judge module is used to judge the type of described message;
The 3rd judge module is used for described information table and whether has the list item that mates with described message;
The 4th judge module is used to judge whether described message is error message;
Discard module is used for described packet loss;
Second is provided with module, is used to be provided with the count pick up device that presets of described list item;
First reporting module is used for reporting interruption to described central processing unit;
Second reporting module is used for handling to described central processing unit described message reporting.
10. device according to claim 8 is characterized in that, also comprises:
The poll module is used for every the scheduled time described information table being carried out poll and handles;
Second sets up module, is used for setting up continuous check information message according to described list item;
The 5th judge module is used to judge whether to exist the transparent transmission message;
Second sending module is used for described continuous check information message is sent to described exchange chip;
Second receiver module is used to receive the described continuous check information message from described second sending module;
The 3rd sending module is used for the described continuous check information message that described second receiver module receives is sent to described ply-yarn drill;
The 4th sending module is used to send described transparent transmission message.
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