CN104184729A - Message processing method and device - Google Patents
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- CN104184729A CN104184729A CN201410411942.9A CN201410411942A CN104184729A CN 104184729 A CN104184729 A CN 104184729A CN 201410411942 A CN201410411942 A CN 201410411942A CN 104184729 A CN104184729 A CN 104184729A
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Abstract
The invention provides a message processing method applied to a network device. The method includes the steps of creating a connection pool for each local virtual machine, classifying connection belonging to the same virtual machine to the connection pool created for the virtual machine, and matching the corresponding connection in the corresponding connection pool on the basis of connection control information of a sent or received message and sending and receiving the message through the connection obtained through matching when any local virtual machine sends or receives the message. By means of the message processing method and device, message processing efficiency can be improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of message processing method and device.
Background technology
Refer to Fig. 1, network protocol stack, can be for providing communication service between each node on distributed apparatus as a basic function assembly., corresponding to a cpu system, conventionally on a business board on distributed apparatus, can there is one or more node in wherein said node.
When distributed apparatus supports that after Intel Virtualization Technology, above-mentioned communication process occurs on the virtual machine on node.In Intel Virtualization Technology, the communication between each virtual machine is isolated mutually, and the communication between virtual machine need to be provided the transmission mechanism of connection, reliable, order-preserving by network protocol stack, and the final realization of this mechanism depends on the transport layer of network protocol stack.
Under non-virtualized condition, in transport layer heading, generally include the information such as transmission sequence number, type of message.And under virtualized condition, in transport layer header, except the information such as transmission sequence number, type of message, in heading, also comprise virtual machine ID.
Refer to Fig. 2, for the communication realizing between virtual machine is isolated mutually, all virtual machines are when sending message, the transport layer that all enters protocol stack from oneself user's state, in order to distinguish each message of different virtual machines, each message carries the virtual machine ID of self when the transport layer of protocol stack converges; When receiving message, the message of all virtual machines is all from the physical layer of node.Network layer enters the transport layer of protocol stack, in transport layer unification, these messages is distributed, according to delivering in the application program of different virtual machines on virtual machine ID different in message.
Yet, because physical layer, network layer are connectionless, insecure, and to virtual not perception.After virtual, the linking number that transport layer is safeguarded is multiple relation by the number in virtual machine.After a large amount of virtual machines of system support, when arbitrary virtual machine sends or receives message, all need to travel through whole connections of all virtual machines, the appointment that just can match self connects, and the treatment effeciency of message is low.
Summary of the invention
In view of this, the present invention proposes a kind of message processing method, is applied to the network equipment, has been preconfigured one or more virtual machine on the described network equipment, and described method comprises:
For every of this locality virtual machine creates respectively connection pool;
The connection that is under the jurisdiction of same virtual machine is referred in the connection pool into this virtual machine creating;
When the arbitrary virtual machine in this locality sends or receives message, the connection control information based on sending or receive message is mated corresponding connection in described connection pool, and sends or receive this message by the connection matching.
Preferably, the described connection pool that the connection that is under the jurisdiction of same virtual machine is referred to as this virtual machine creating comprises:
For the message sending creates, connect, and distribute connection control information for this connects;
Obtain the virtual machine ID in described message;
According to the ID of this virtual machine, search the connection pool having created;
The connection creating for described message is added in the connection pool finding.
Preferably, described connection control information comprises: local port number and peer port number;
After in the connection that is under the jurisdiction of same virtual machine is referred to as the connection pool of this virtual machine creating, described method also comprises:
Take in connection pool each local port number connecting and remote port carries out hash calculating as parameter;
The hash value calculating of usining is divided into groups to each connection as search key.
Preferably, the described connection control information based on sending or receive message, in described connection pool, mate corresponding connection and comprise:
According to the ID of this message place virtual machine, search connection pool;
Take local port number in this message and peer port number carries out hash calculating as parameter;
According to the hash value calculating, in the connection pool finding, search and connect grouping;
Each in the connection grouping that traversal finds connects, the connection of coupling appointment.
Preferably, described connection control information also comprises: local host address and opposite end host address;
Each in the connection grouping that described traversal finds connects, and the connection of coupling appointment comprises:
According to the connection of described local host address and the appointment of described opposite end host address coupling.
Preferably, described method also comprises:
When the connection matching is closed, this connection is discharged from corresponding connection pool;
The connection pool of take retransmits losing message as unit;
The connection pool of take is responded ACK message as unit to message source.
The present invention also proposes a kind of message process device, is applied to the network equipment, has been preconfigured one or more virtual machine on the described network equipment, and described device comprises:
Creating unit, is used to local every virtual machine to create respectively connection pool;
Sort out unit, for the connection that is under the jurisdiction of same virtual machine is referred to the connection pool into this virtual machine creating;
Matching unit, when in this locality, arbitrary virtual machine sends or receives message, the connection control information based on sending or receive message is mated corresponding connection in described connection pool, and sends or receive this message by the connection matching.
Preferably, described classification unit is further used for:
For the message sending creates, connect, and distribute connection control information for this connects;
Obtain the virtual machine ID in described message;
According to the ID of this virtual machine, search the connection pool having created;
The connection creating for described message is referred in the connection pool finding.
Preferably, described connection control information comprises: local port number and peer port number;
Described creating unit is further used for:
Take in connection pool each local port number connecting and remote port carries out hash calculating as parameter;
The hash value calculating of usining is divided into groups to each connection as search key.
Preferably, described matching unit is further used for:
According to the ID of this message place virtual machine, search connection pool;
Take local port number in this message and peer port number carries out hash calculating as parameter;
According to the hash value calculating, in the connection pool finding, search and connect grouping;
Each in the connection grouping that traversal finds connects, the connection of coupling appointment.
Preferably, described link information also comprises: local host address and opposite end host address;
Described matching unit is further used for: according to the connection of described local host address and the appointment of described opposite end host address coupling.
Preferably, described matching unit is further used for:
When the connection matching is closed, this connection is discharged from corresponding connection pool;
The connection pool of take retransmits losing message as unit;
The connection pool of take is responded ACK message as unit to message source.
The present invention, by for local virtual machine creates connection pool, is referred to the connection that is under the jurisdiction of same virtual machine in the connection pool into this virtual machine creating; When arbitrary virtual machine sends or receive message, in corresponding address pool, mate the connection of appointment, avoid traveling through whole connections of local all virtual machines, thereby improved the treatment effeciency to message.
Accompanying drawing explanation
Fig. 1 is inter-node communication model in distributed apparatus in prior art;
Fig. 2 is that in prior art, virtual machine is received and dispatched message schematic diagram by protocol stack;
Fig. 3 is the flow chart of a kind of message processing method shown in a kind of illustrative embodiments of the present invention;
Fig. 4 creates the schematic diagram of connection pool under the multi-dummy machine condition shown in a kind of illustrative embodiments of the present invention;
Fig. 5 is the organizational form of a kind of connection pool shown in a kind of illustrative embodiments of the present invention.
Fig. 6 is the flow chart of a kind of virtual machine message process of transmitting shown in a kind of illustrative embodiments of the present invention;
Fig. 7 is the flow chart of a kind of virtual machine message receiving course shown in a kind of illustrative embodiments of the present invention;
Fig. 8 is the block diagram of a kind of message process device shown in a kind of illustrative embodiments of the present invention;
Fig. 9 is a kind of hardware structure diagram that carries the network equipment of described message process device shown in a kind of illustrative embodiments of the present invention.
Embodiment
The present invention, by for local virtual machine creates connection pool, is referred to the connection that is under the jurisdiction of same virtual machine in same connection pool, thereby when arbitrary virtual machine sends or receive message, only in corresponding address pool, mates the connection of appointment.Owing to having avoided traveling through whole connections of local all virtual machines, thereby significantly improved the treatment effeciency to message.
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.
Refer to Fig. 3, the present invention proposes a kind of message processing method, is applied to the network equipment, and on the described network equipment, described method is carried out following steps:
Step 301, create respectively connection pool for local every virtual machine;
Step 302, the connection that is under the jurisdiction of same virtual machine is referred in the connection pool into this virtual machine creating;
Step 303, when the arbitrary virtual machine in this locality sends or receive message, the connection control information based on sending or receive message is mated corresponding connection in described connection pool, and sends or receive this message by the connection matching.
Refer to Fig. 4, in the present embodiment, can create respectively a corresponding connection pool for every of this locality virtual machine.The connection pool that each establishment completes, for converging all connections on the virtual machine that this connection pool is corresponding, can search by corresponding virtual machine ID.
Because each connection pool is for converging all connections on corresponding virtual machine, therefore need to sort out processing to the connection in the virtual machine of every of this locality, the connection that is under the jurisdiction of same virtual machine is referred in corresponding connection pool.When the connection in local each virtual machine is sorted out to processing, can when sending message, realize local each virtual machine.
Particularly, because the communication between virtual machine on different node devices is based on TCP/IP (Transmission Control Protocol/Internet Protocol, transmission control protocol/Internet Interconnection agreement) realize, therefore be positioned at virtual machine on different node devices when transmitting-receiving message mutually, first need to set up TCP and connect.TCP establishment of connection can be that virtual machine directly creates when starting to send message; Also can be to set up before transmitting-receiving message, when virtual machine starts to send message, then for this message, specify and connect from the TCP having set up connects; Wherein, the concrete process of establishing that TCP connects, please refer to prior art, in the present embodiment, no longer describes in detail.
In the present embodiment, when virtual machine starts to send message, whether can first check in this locality as this message creates or specified connection, if for this message creates or specified connection, so direct by creating or the connection of appointment sends this message; If, for this message establishment or appointment connection, do not show that this message may be the literary composition of reporting for the first time, so for this message creates or specify connection, and from system resource, be connection control information corresponding to this connection distribution.
Wherein, described connection control information generally includes the information such as local port number, peer port number, local host address and peer port number that send appointment into this message.When having specified and connected and distributed after connection control information for this message, obtain the virtual machine ID in this message, the address pool that this virtual machine ID of take has created as index traversal, search the connection pool corresponding with this virtual machine, after finding corresponding connection pool, the connection creating for this message is added in the connection pool finding.
Certainly, when specific implementation, when sign off, virtual machine exit or when process exits, conventionally need to close corresponding connection, therefore during the connection generation close event in connection pool, need to connect and in corresponding connection pool, extract this connection, releasing resource at this.
After the classification connecting, the whole connections in corresponding virtual machine now in each connection pool, have been converged in completing every of this locality virtual machine.Yet the number of connection in same virtual machine, depends on the number of services that this virtual machine carries conventionally.When the number of services of carrying when a virtual machine is too much, the number of connection in this virtual machine also can be too much, thereby cause the number of connection converging in each connection pool also too much.
When the number of connection that converges in connection pool is too much, virtual machine, when sending or receiving message coupling and connect, needs the connection of traversal to increase, thereby can reduce the treatment effeciency of message.Therefore, in the present embodiment, can also further divide into groups to the connection in connection pool, to reduce virtual machine when receiving and dispatching message, the quantity that traversal connects.
When the connection in connection pool is divided into groups, can be that parameter is carried out Hash hash calculating according to the local port number in the connection control information of each connection and Peer-Port, using the hash value calculating as key, (being described search key) divides into groups to each connection.
Particularly, refer to Fig. 5, can to every connection in connection pool, calculate according to the method described above hash value respectively, then the identical connection of the hash value calculating is organized in address pool with the form of doubly linked list, be divided into several and connect grouping, each connects the corresponding key value independently of grouping.Certainly, when the connection in address pool is divided into groups, when specific implementation, also can adopt other packet modes, these are only a kind of illustrative embodiments shown in the present embodiment, be not intended to limit the present invention.
Below in conjunction with embodiment, the detailed process of virtual machine sending and receiving message is described in detail.
In the present embodiment, virtual machine is when sending message, and this message enters system kernel state from user's state of virtual machine, enters the transport layer of system from physical layer, network layer.When transport layer is processed the message of receiving, first analytic message head, obtains the virtual machine ID in this message, then take this virtual machine ID as index traversal address pool, searches the address pool corresponding with this virtual machine.After finding corresponding address pool, take the local port number of this message and peer port number carries out hash calculating as parameter again, according to the hash value calculating, be key, in the address pool finding, search corresponding connection grouping, then travel through the connection in this connection grouping, just can match the connection of appointment.
For example, in a kind of preferred mode, during connection in the connection that finds in traversal grouping, can, using the local host address in message and opposite end host address as index value, in dividing into groups, this connections mate the connection of appointment.By local host address and opposite end host address, can in connecting grouping, accurately distinguish and send specified connection for this message.
Refer to Fig. 6, when hit the connection of appointment in address pool after, by this, connect and send this message, this message is put into the retransmission queue that this virtual machine is corresponding simultaneously, for this message is specified retransmission sequence number, and activate retransmission timer, regularly send in order message overstocked in retransmission queue.
Wherein, what deserves to be explained is, under the message default situations that virtual machine sends, all can be placed into retransmission queue, after receiving the confirmation ACK message that this message sink sends, show that this message successfully sends, now need this message to remove from retransmission queue, and upgrade the retransmission sequence number of other message in retransmission queue.
Be equal to, virtual machine is when receiving message, and message enters transport layer by physical layer, network layer; Transport layer is when processing message, and first analytic message head, obtains the virtual machine ID in this message, then take this virtual machine ID as index traversal address pool, searches the address pool corresponding with this virtual machine.After finding corresponding address pool, local port number and the peer port number of this message of take again carries out hash calculating as parameter, according to the hash value calculating, is key, searches corresponding connection grouping in the address pool finding, then travel through the connection in this connection grouping, the connection of coupling appointment.Wherein, during connection in the connection that finds in traversal grouping, still can, using the local host address in message and opposite end host address as index value, in dividing into groups, this connections mate the connection of appointment.
Refer to Fig. 7, when hit the connection of appointment in address pool after, system is carried out the transport layer process such as sequence number inspection to this message, if test serial number mistake abandons this message.If sequence number is correct, further check the whether out of order arrival of this message, if this packet out-ordering arrives, so this message is put into the waiting list of this connection, wait until the message arriving after out of order.If this message is order, arrive, so directly this message is put into the reception buffer zone of socket Socket, wait for that the application program in virtual machine is initiatively called this message, and to the receiving terminal of this message, respond ACK message simultaneously.
In the present embodiment, while not receiving the ACK message of receiving terminal response within the transmission cycle, need to do retransmission process to this message, yet in prior art, a plurality of virtual machines in same node are used same retransmission timer, between virtual machine on protocol stack in a kind of couple state, be easy to cause the too much situation of message that retransmits.Too much when the message retransmitting, can retransmit several times, thereby cause the re-transmission message of certain virtual machine by the long-time situation about sending of postponing.Therefore, the present invention has introduced after connection pool, reduced the coupling on protocol stack between virtual machine, the connection pool of can take carries out retransmission process to message as unit, can effectively reduce the match time of physical link in message retransmission processes, thereby avoid retransmitting message by the long-time situation about sending of postponing.
In the present embodiment, when message is correctly processed at receiving terminal, and successfully put into behind the reception buffer zone of Socket, can carry out message confirmation to the transmitting terminal of message, to described transmitting terminal, respond ACK message, transmitting terminal, after receiving this ACK message, removes retransmission queue corresponding message.Wherein to the transmitting terminal of message, carrying out message confirms to be divided into and sends immediately and two kinds of delayed deliveries, yet in the prior art, situation for delayed acknowledgement, traditional processing remains take node and carries out as unit, therefore retransmit the same with message, can cause equally some virtual machine to be delayed for a long time the situation of carrying out message confirmation, thereby cause virtual machine work, pause.Therefore, in the present embodiment, the connection pool of can take carries out message confirmation to message as unit, transmitting terminal to message is responded ACK message, owing to having introduced, after connection pool, can effectively reduce the match time of physical link in message confirmation process, the situation that therefore can avoid some virtual machine to be delayed for a long time carrying out message confirmation.
Known by above description, the present invention is by creating connection pool for local virtual machine, the connection that is under the jurisdiction of same virtual machine is referred in same connection pool, thereby when arbitrary virtual machine sends or receive message, only in corresponding address pool, mates the connection of appointment.Owing to having avoided traveling through whole connections of local all virtual machines, thereby significantly improved the treatment effeciency to message.Meanwhile, owing to having introduced address pool, the coupling on protocol stack between virtual machine be can effectively reduce, the re-transmission speed of message and the speed that message is confirmed improved.
Refer to Fig. 8, the present invention also proposes a kind of message process device 80, is applied on the network equipment, has been preconfigured one or more virtual machine on the described network equipment; Wherein, refer to Fig. 9, in the related hardware structure of the network equipment as the described message process device 80 of carrying, generally include CPU, internal memory, nonvolatile memory, network interface and internal bus etc.With software, be embodied as example, apparatus of the present invention 80 can be understood as the computer program being carried in internal memory conventionally, the logic device that the software and hardware forming after moving by CPU combines; Described device 80 comprises:
Creating unit 801, is used to local every virtual machine to create respectively connection pool;
Sort out unit 802, for the connection that is under the jurisdiction of same virtual machine is referred to the connection pool into this virtual machine creating;
Matching unit 803, when in this locality, arbitrary virtual machine sends or receives message, the connection control information based on sending or receive message is mated corresponding connection in described connection pool, and sends or receive this message by the connection matching.
In the present embodiment, described classification unit 802 is further used for:
For the message sending creates, connect, and distribute described connection control information for this connects;
Obtain the virtual machine ID in described message;
According to the ID of this virtual machine, search the connection pool having created;
The connection creating for described message is referred in the connection pool finding.
In the present embodiment, described connection control information comprises local port number and peer port number;
Described creating unit 801 is further used for:
Take in connection pool each local port number connecting and remote port carries out hash calculating as parameter;
The hash value calculating of usining is divided into groups to each connection as search key.
In the present embodiment, described matching unit 803 is further used for:
According to the ID of this message place virtual machine, search connection pool;
Take local port number in this message and peer port number carries out hash calculating as parameter;
According to the hash value calculating, in the connection pool finding, search and connect grouping;
Each in the connection grouping that traversal finds connects, the connection of coupling appointment.
In the present embodiment, described link information also comprises local host address and opposite end host address;
Described matching unit 803 is further used for:
According to the connection of described local host address and the appointment of described opposite end host address coupling.
In the present embodiment, described matching unit 803 is further used for:
When the connection matching is closed, this connection is discharged from corresponding connection pool;
The connection pool of take retransmits losing message as unit;
The connection pool of take is responded ACK message as unit to message source.
It will be appreciated by those skilled in the art that the unit in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.A unit can be merged in the unit of above-described embodiment, also can further split into a plurality of subelements.Foregoing invention embodiment numbering, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (12)
1. a message processing method, is applied to the network equipment, has been preconfigured one or more virtual machine on the described network equipment, and other are characterised in that, described method comprises:
For every of this locality virtual machine creates respectively connection pool;
The connection that is under the jurisdiction of same virtual machine is referred in the connection pool into this virtual machine creating;
When the arbitrary virtual machine in this locality sends or receives message, the connection control information based on sending or receive message is mated corresponding connection in described connection pool, and sends or receive this message by the connection matching.
2. the method for claim 1, is characterized in that, the described connection pool that the connection that is under the jurisdiction of same virtual machine is referred to as this virtual machine creating comprises:
For the message sending creates, connect, and distribute connection control information for this connects;
Obtain the virtual machine ID in described message;
According to the ID of this virtual machine, search the connection pool having created;
The connection creating for described message is added in the connection pool finding.
3. the method for claim 1, is characterized in that, described connection control information comprises: local port number and peer port number;
After in the connection that is under the jurisdiction of same virtual machine is referred to as the connection pool of this virtual machine creating, described method also comprises:
Take in connection pool each local port number connecting and remote port carries out Hash hash calculating as parameter;
The hash value calculating of usining is divided into groups to each connection as search key.
4. method as claimed in claim 3, is characterized in that, the described connection control information based on sending or receive message is mated corresponding connection and comprised in described connection pool:
According to the ID of this message place virtual machine, search connection pool;
Take local port number in this message and peer port number carries out hash calculating as parameter;
According to the hash value calculating, in the connection pool finding, search and connect grouping;
Each in the connection grouping that traversal finds connects, the connection of coupling appointment.
5. method as claimed in claim 4, is characterized in that, described connection control information also comprises: local host address and opposite end host address;
Each in the connection grouping that described traversal finds connects, and the connection of coupling appointment comprises:
According to the connection of described local host address and the appointment of described opposite end host address coupling.
6. the method for claim 1, is characterized in that, described method also comprises:
When the connection matching is closed, this connection is discharged from corresponding connection pool;
The connection pool of take retransmits losing message as unit;
The connection pool of take is responded ACK message as unit to message source.
7. a message process device, is applied to the network equipment, has been preconfigured one or more virtual machine on the described network equipment, it is characterized in that, described device comprises:
Creating unit, is used to local every virtual machine to create respectively connection pool;
Sort out unit, for the connection that is under the jurisdiction of same virtual machine is referred to the connection pool into this virtual machine creating;
Matching unit, when in this locality, arbitrary virtual machine sends or receives message, the connection control information based on sending or receive message is mated corresponding connection in described connection pool, and sends or receive this message by the connection matching.
8. device as claimed in claim 7, is characterized in that, described classification unit is further used for:
For the message sending creates, connect, and distribute connection control information for this connects;
Obtain the virtual machine ID in described message;
According to the ID of this virtual machine, search the connection pool having created;
The connection creating for described message is referred in the connection pool finding.
9. device as claimed in claim 7, is characterized in that, described connection control information comprises: local port number and peer port number;
Described creating unit is further used for:
Take in connection pool each local port number connecting and remote port carries out hash calculating as parameter;
The hash value calculating of usining is divided into groups to each connection as search key.
10. device as claimed in claim 9, is characterized in that, described matching unit is further used for:
According to the ID of this message place virtual machine, search connection pool;
Take local port number in this message and peer port number carries out hash calculating as parameter;
According to the hash value calculating, in the connection pool finding, search and connect grouping;
Each in the connection grouping that traversal finds connects, the connection of coupling appointment.
11. devices as claimed in claim 10, is characterized in that, described link information also comprises: local host address and opposite end host address;
Described matching unit is further used for: according to the connection of described local host address and the appointment of described opposite end host address coupling.
12. devices as claimed in claim 7, is characterized in that, described matching unit is further used for:
When the connection matching is closed, this connection is discharged from corresponding connection pool;
The connection pool of take retransmits losing message as unit;
The connection pool of take is responded ACK message as unit to message source.
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| US11616738B2 (en) | 2018-08-20 | 2023-03-28 | Huawei Technologies Co., Ltd. | Packet processing method and related device |
| CN110851371B (en) * | 2018-08-20 | 2023-09-26 | 华为技术有限公司 | Message processing method and related equipment |
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| CN104184729B (en) | 2018-05-08 |
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