CN110166506B - Method for connecting hypertext transfer protocol Http and node equipment - Google Patents
Method for connecting hypertext transfer protocol Http and node equipment Download PDFInfo
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- CN110166506B CN110166506B CN201810145186.8A CN201810145186A CN110166506B CN 110166506 B CN110166506 B CN 110166506B CN 201810145186 A CN201810145186 A CN 201810145186A CN 110166506 B CN110166506 B CN 110166506B
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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
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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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
- H04L67/141—Setup of application sessions
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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
- H04L67/142—Managing session states for stateless protocols; Signalling session states; State transitions; Keeping-state mechanisms
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Abstract
The invention provides a connecting method of a hypertext transfer protocol Http and node equipment, wherein the method is applied to first node equipment, and the method comprises the following steps: when N hypertext transfer protocol Http connections existing between the first node device and a second node device are all in an activated state, selecting a first Http connection which is available in the N Http connections and has the highest priority level as a target Http connection according to priority configuration of each Http connection, and using the first node device to send a session message to the second node device; wherein N is an integer of 2 or more. The method can solve the problems that in the prior art, due to the connection of Http between two node devices, connection establishment delay is caused by reestablishment of Http after no available stream ID exists, and service delay is influenced.
Description
Technical Field
The invention relates to the technical field of wireless, in particular to a method for connecting hypertext transfer protocol Http and node equipment.
Background
HyperText Transfer Protocol (HTTP) 2.0 defines a stream, i.e., an independent, bi-directional sequence of frame exchanges within an HTTP2.0 connection between a client and a server. An HTTP/2 connection may contain multiple open streams simultaneously; the stream can be established, used and shared by the server and the client at one side; the stream may be closed from either side and the frames within this stream are processed sequentially at the receiving end.
The stream ID is identified by an integer and is assigned by the endpoint at the time the stream is initialized. The stream ID is a 31-bit integer, the client-initiated stream must use an odd stream ID, stream 0 for connection control messages, and stream 1 for HTTP/1.1 upgrades, so if only one node device is acting as a client between two node devices, the number of streams that can be used is 2^31/2 ^ 1073741824. Each HTTP request/response consumes one stream, the stream is closed after the interaction is completed, the used stream ID cannot be reused, and when the client has no available stream ID, a new HTTP connection can be established to use the new stream.
Currently, HTTP2.0 does not support exchanging multiple HTTP requests/responses on one stream, after the stream is closed, the stream ID cannot be reused, and the amount of request/response messages between node devices in 5GC is large, assuming that 1000 sessions/second, all available odd-numbered streams of 1 HTTP connection will be used up in 12 days, and then the HTTP connection must be re-established, however, connection establishment delay is caused by connection reestablishment of HTTP, and there is an influence on service delay.
Disclosure of Invention
The invention aims to provide a connecting method of a hypertext transfer protocol Http and node equipment, which are used for solving the problems that in the prior art, when Http is used for connecting two node equipment, connection establishment delay is caused by no available stream ID and service delay is influenced.
The embodiment of the invention provides a method for connecting a hypertext transfer protocol Http, which is applied to first node equipment, wherein the method comprises the following steps:
when N hypertext transfer protocol Http connections existing between the first node device and a second node device are all in an activated state, selecting a first Http connection which is available in the N Http connections and has the highest priority level as a target Http connection according to priority configuration of each Http connection, and using the first node device to send a session message to the second node device;
wherein N is an integer of 2 or more.
Optionally, the connection method further includes:
and the N Http connections are established with a second node device, and the N Http connections are all in an activated state.
Optionally, the connection method further includes:
and after the first Http connection is closed, selecting a second Http connection which is available except the first Http connection and has the highest priority level from the N Http connections as the target Http connection.
Optionally, the connection method further includes:
and after the first Http connection is closed, establishing new Http connections, so that the first node device and the second node device maintain N Http connections, and creating a priority configuration of the new Http connections, so that the established new Http connections have the lowest priority among the N Http connections.
Optionally, the connection method, wherein the step of establishing a new Http connection after the first Http connection is closed includes:
closing a transport layer connection corresponding to the first Http connection after the first Http connection is closed;
and activating the corresponding transport layer connection, so that the activated transport layer connection creates a new Http connection.
Optionally, in the connection method, the priority configuration includes a priority parameter, and the priority levels corresponding to different priority parameters are different;
in the step of selecting the first Http connection with the highest priority among the N Http connections as the target Http connection, the Http connection with the priority parameter corresponding to the highest priority among the N Http connections is selected as the first Http connection.
Optionally, in the connection method, the priority configuration includes a numerical value, and when different priority levels are arranged from high to low, the numerical values of the corresponding priority configuration are arranged from small to large.
Optionally, in the connection method, different Http connections of the N Http connections have different priority configurations.
Optionally, in the connection method, the N Http connections have the same initial priority configuration.
Optionally, in the connection method, in the N Http connections with the initially same priority configuration, the maximum number of streams that each Http connection can send is different.
Optionally, in the connection method, in the N Http connections with the initially same priority configuration, each Http connection corresponds to a different weight, and a number of session messages that can be transmitted on the corresponding Http connection is determined according to the weight.
Optionally, in the connection method, when N Http connections have the same priority configuration, the step of selecting, according to the priority configuration of each Http connection, a first Http connection that is available among the N Http connections and has a highest priority level as a target Http connection includes:
determining one available Http connection in the N Http connections with the highest priority level by adopting a round-robin selection method, and taking the available Http connection as the first Http connection; or determining that one of the N Http connections has the highest priority level based on a keyword selection method, and determining that the one of the N Http connections has the highest priority level as the first Http connection.
Optionally, the connection method, wherein the establishing of the N Http connections with the second node device, and the step of enabling the N Http connections to be all in an active state includes:
configuring a transport layer connection;
the transport layer connection is activated, causing the activated transport layer connection to create N HTTP connections.
Optionally, in the connection method, when the transport layer includes a TCP, an Http connection corresponds to a TCP connection of the transport layer.
The embodiment of the present invention further provides another method for connecting an Http, which is applied to a first node device, where the method includes:
maintaining N Http connections with a second node device, the N Http connections each being active for transmitting messages;
wherein N is an integer of 2 or more.
Preferably, the connection method further includes:
and when one HTTP connection of the N Http connections is closed, establishing a new HTTP connection, and enabling the created new HTTP connection to be in an activated state.
Preferably, in the step of maintaining N Http connections with the second node device, each Http connection of the N Http connections has a priority configuration.
Preferably, the connection method, wherein the priority configuration includes a priority parameter, and the priority levels corresponding to different priority parameters are different.
Preferably, in the connection method, the priority configuration includes a numerical value, and when different priority levels are arranged from high to low, the numerical values of the corresponding priority configuration are arranged from small to large.
Preferably, in the connection method, different Http connections of the N Http connections have different priority configurations.
Preferably, in the connection method, the N Http connections have initially the same priority configuration.
The embodiment of the present invention further provides a connecting device of a hypertext transfer protocol Http, which is applied to a first node device, where the device includes:
a first processing module, configured to, when N hypertext transfer protocol Http connections are all active between the first node device and a second node device, select, according to a priority configuration of each Http connection, a first Http connection that is available among the N Http connections and has a highest priority as a target Http connection, where the first node device sends a session message to the second node device;
wherein N is an integer of 2 or more.
The embodiment of the present invention further provides a connecting device of a hypertext transfer protocol Http, which is applied to a first node device, where the device includes:
the connection module is used for keeping N Http connections with second node equipment, and the N Http connections are all in an activated state and used for transmitting messages;
wherein N is an integer of 2 or more.
The embodiment of the invention also provides node equipment, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; wherein the processor, when executing the program, implements the Http connection method as described in any one of the above.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the program, when executed by a processor, implements the steps in the method for connecting Http and Http as described in any one of the above.
At least one of the above technical solutions of the specific embodiment of the present invention has the following beneficial effects:
according to the connection method in the specific embodiment of the invention, available Http connections for sending session messages are selected between at least two Http connections according to the priority configuration of each Http connection, after the flow of one Http connection is used up, other Http connections can be selected to be used for sending session messages, and no service delay exists for reestablishing a new Http connection, so that the problems that the Http reestablishment connection between two node devices in the prior art brings connection establishment delay and affects service delay are solved.
Drawings
Fig. 1 is a schematic flow chart of a first implementation manner of a connection method according to an embodiment of the invention;
fig. 2 is a schematic flow chart of a second embodiment of the connection method according to the embodiment of the invention;
fig. 3 is a schematic flow chart of a third embodiment of the connection method according to the embodiment of the invention;
fig. 4 is a flowchart illustrating a fourth implementation manner of the connection method according to the embodiment of the present invention.
FIG. 5 is a schematic structural diagram of a connecting device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a node device according to an embodiment of the present invention;
fig. 7 is a schematic flow chart of a fifth embodiment of the connection method according to the embodiment of the invention;
fig. 8 is a second schematic structural diagram of the connecting device according to the embodiment of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The Http connection method according to the embodiment of the present invention establishes at least two Http connections between two node devices, and can select an available Http connection for sending a session message between the at least two Http connections according to priority configuration of each Http connection, so that after a stream of one Http connection is used up, other Http connections can be selected to be used for sending the session message, and no service delay exists for reestablishing a new Http connection, thereby solving the problems that the Http connection between two node devices in the prior art causes a connection establishment delay after no available stream ID exists, and affects the service delay.
As shown in fig. 1, a method for connecting Http according to an embodiment of the present invention is applied to a first node device, and the method includes:
s110, when N Http connections between the first node device and the second node device are all in an active state, selecting, according to a priority configuration of each Http connection, a first Http connection that is available in the N Http connections and has a highest priority as a target Http connection, for the first node device to send a session message to the second node device;
wherein N is an integer of 2 or more.
By adopting the Http connection method of the embodiment of the present invention, the available Http connection for sending the session message can be selected between at least two Http connections according to the priority configuration of the Http connection, so that other Http connections can be selected after the flow of one Http connection is used up, and can be used for sending the session message, and there is no service delay when a new Http connection is reestablished.
Furthermore, by providing that at least two Http connections are both in an activated state for selecting Http connection for session message transmission, the reliability of message transmission can be ensured; by setting priority configuration for each Http connection, there is a basis for selecting Http connections between at least two Http connections, and upper applications of an application layer (Http layer) always select available Http connections with high priority to send messages, so as to avoid confusion and complexity problems when selecting Http connections.
In another implementation manner of the method for connecting Http in the embodiment of the present invention, as shown in fig. 2, before the step of selecting, according to the priority configuration of each Http connection, a first Http connection that is available in the N Http connections and has a highest priority level as a target Http connection in step S110, the method further includes:
s101, the N Http connections are established with second node equipment, and the N Http connections are all in an activated state.
Specifically, the step S101 may include:
configuring a transport layer connection;
the transport layer connection is activated, causing the activated transport layer connection to create N HTTP connections.
Optionally, in step S101, when the transport layer includes a Transmission Control Protocol (TCP), one HTTP connection corresponds to one TCP connection of the transport layer.
Specifically, when the transport layer includes a Transmission Control Protocol (TCP), the step S101 may be:
configuring N Transmission Control Protocols (TCP);
each TCP connection is activated such that each activated TCP connection creates an HTTP connection.
Through the above manner, N TCP connections are configured at the transport layer between the first node device and the second node device, each TCP connection is activated, an application layer (HTTP layer) above the transport layer creates one HTTP connection based on each activated TCP connection, and makes all the created HTTP connections in an available open state, and N HTTP connections in an activated state are all established between the first node device and the second node device. In another implementation manner of the connection method according to the embodiment of the present invention, as shown in fig. 3, after step S110, the method further includes:
and S120, after the first Http connection is closed, selecting a second Http connection which is available except the first Http connection and has the highest priority level from the N Http connections as the target Http connection.
In the above step S120, when the first Http connection is closed, the closed first Http connection becomes unavailable.
Optionally, on the first Http connection, when the stream ID of the stream sent on the first Http connection reaches a preset value, the first Http connection is closed. Of course, it is understood that the closing of the first Http connection is not limited to this case, and there may be situations where it is closed for other special reasons.
When the flow ID of the flow sent over the first Http connection reaches a preset value and then is closed, it can be understood that, over the first Http connection, each Http request/response consumes one flow, and the used flow ID cannot be reused, where the preset value is a value used for determining that the maximum number of flows can be sent over the first Http connection, where, according to the fact that the current flow ID is a 31-bit integer and the flow initiated by the client must be set by using a standard of an odd-numbered flow ID, the preset value may be a maximum value that can be used corresponding to the 31-bit integer, that is, 2^31/2 ^ 1073741824, or any preset value, and the control of the maximum number of flows that can be sent over the corresponding Http connection is implemented by using the value. Optionally, in the N Http connections, the preset value for determining the maximum number of streams that can be sent may be the same or different for each Http connection.
Further, in step S120, after the stream of the first Http connection with the highest priority is used up, the second Http connection with the highest priority and available in addition to the first Http connection is further selected as the target Http connection, so that the upper application of the application layer (Http layer) always selects the available Http connection with the highest priority to transmit the session message.
Through the priority selection principle, the selection of the Http connection between at least two Http connections has a basis, and the problems of confusion and complexity in selecting the Http connection are avoided.
In another embodiment of the connection method, as shown in fig. 4, after step S110, the method further includes:
s130, after the first Http connection is closed, establishing a new Http connection, so that N Http connections are maintained between the first node device and the second node device, and creating a priority configuration of the new Http connection, so that the established new Http connection has a lowest priority among the N Http connections.
Specifically, in step S130, after the first Http connection is closed, the step of establishing a new Http connection includes:
closing the transport layer connection corresponding to the first Http connection after the first Http connection is closed;
the corresponding transport layer connection is activated, causing the activated transport layer connection to create a new Http connection.
Based on the above manner, with the connection method according to the specific embodiment of the present invention, after one Http connection is closed, a new Http connection is created, and during the creation process of the new Http connection, the Http connection with the highest current priority level among the N Http connections may be selected to send the session message, so that the creation process of the Http connection does not affect the time delay for sending the session message. In addition, the created new Http connection has the lowest priority, so that the created new Http connection is arranged among the N Http connections according to a priority configuration, so as to facilitate subsequent ordered selection of Http connections.
Optionally, in an implementation manner of the connection method according to the specific embodiment of the present invention, the priority configuration for enabling the N Http connections to have the priority order may include a priority parameter, where priority levels corresponding to different priority parameters are different. Based on this manner, with reference to fig. 1, in step S110, in the step of selecting the first Http connection with the highest priority level and available from the N Http connections as the target Http connection, the Http connection with the priority parameter corresponding to the highest priority level and available from the N Http connections is selected as the first Http connection.
Based on the setting mode, different priority parameters correspond to different priority levels, and the relation between each priority parameter and the corresponding priority level is determined by performing priority arrangement on the different priority parameters in advance.
Preferably, the priority configuration may be numerical values, and when the different priority levels are arranged from high to low, the numerical values of the corresponding priority configuration are arranged from small to large. For example, the priority levels are 1, 2, and 3 … respectively, and the corresponding priority levels are 1, 2, and 3 … from high to low.
By using the connection method according to the embodiment of the present invention, when the priority corresponding to each Http connection is configured as a numerical value, a new Http connection is established in step S130, so that the specific manner that the established new Http connection has the lowest priority among the N Http connections may be one of the following:
increasing a value N on the basis of the priority configuration of the closed first Http connection to obtain the priority configuration of the established new Http connection; for example, when N is 2 and the priority of the first Http connection is set to 1, the priority of the new Http connection established after the first Http connection is closed may be set to 3;
in the N Http connections, increasing a value 1 on the basis of priority configuration of a third Http connection with a lowest priority level to obtain priority configuration of the established new Http connection; for example, if the priority of the current third Http connection is the lowest and the priority of the third Http connection is set to 5, the priority of the established new Http connection is set to 6.
By adopting the connection method described above in the specific embodiment of the present invention, for example, with reference to the following table one, when two Http connections established by TCP connections in different initial states have different priority configurations, an Http connection with priority configuration of 1 may be selected to transmit a session message first, when a flow ID on the Http connection with priority configuration of 1 is used up and then is closed, the TCP connection 1 is closed, an Http connection with priority configuration of 2 is selected to transmit a session message, and the TCP connection 1 is reestablished, a new Http connection is created, and a priority configuration of the established new Http connection is 3 and has the lowest priority.
Watch 1
The above is merely illustrated when the number of N is 2, it can be understood that, when the number of Http connections N is more than 2, the principle of the connection method for Http connections is the same as that described above, and is not described in detail herein.
In addition, optionally, with reference to table one and fig. 3, in step S130 of the embodiment of the present invention, when a new Http connection is established, a step of creating ID information of the new Http connection is further included, so that different Http connections have different ID information in the N Http connections, so as to distinguish the different Http connections.
Further, in an embodiment of the connection method according to the present invention, among the N Http connections, different Http connections have different priority configurations, that is, different Http connections have different priority levels.
In another embodiment of the connection method of the present invention, the N Http connections all have the same initial priority configuration. That is, in this embodiment, in the initial setting state, the priority configurations of N Http connections are the same, and in the process of sending the session message by using N Http connections, the priority configurations of N Http connections may be kept the same or configured differently.
In another embodiment of the connection method according to the present invention, at least two Http connections of the N Http connections have the same initial priority configuration. That is, in this embodiment, there are cases where at least two Http connections have the same priority level, and there are cases where Http connections are different and the priority levels are different.
In the foregoing embodiment, with the connection method according to the embodiment of the present invention, when the priority configurations of the N Http connections are the same, and the N Http connections with the same priority configuration concurrently operate, with reference to fig. 1 to 4, step S110, according to the priority configuration of each Http connection, selecting a first Http connection that is available in the N Http connections and has the highest priority level as a target Http connection includes: determining one available Http connection in the N Http connections with the highest priority level by adopting a round-robin selection method, and taking the available Http connection as the first Http connection; or determining that one of the N Http connections has the highest priority level based on a keyword selection method, and determining that the one of the N Http connections has the highest priority level as the first Http connection.
In the above manner, when N Http connections concurrently operate, a round-robin selection method or a keyword selection method is used to determine that one of the N Http connections has the highest priority level of an available Http connection, which is the first Http connection, and the principle is that selection is performed based on a load sharing algorithm, and a sent signaling message is shared to a plurality of Http connections, so that the time for the flow exhaustion on the Http connections is prolonged by N times, thereby achieving the effect of reducing flow consumption.
Similarly, based on the above manner, when the flow of one Http connection of the N Http connections is exhausted, the Http connection and the corresponding transport layer connection are closed; further, based on the closed Http connection, the closed transport layer connection is automatically established, creating a new Http connection.
Optionally, to avoid that all available Http connections are simultaneously closed when the priority configurations of the N Http connections are the same, preferably, with the connection method according to the embodiment of the present invention, at least one of the following configurations may be adopted:
in N Http connections with initially same priority configuration, the maximum flow number that each Http connection can send is different;
in the N Http connections with the same initial priority configuration, each Http connection corresponds to a different weight, wherein the number of session messages that can be transmitted over the corresponding Http connection is determined according to the weight.
By adopting the first configuration mode, different maximum flow numbers are set for different HTTP connections, so that concurrent HTTP connections cannot reach respective maximum flow numbers at the same time; with the second configuration, the request/response message amount transmitted on different HTTP connections is distributed by the weight, so that the flow IDs of the concurrent HTTP connections are not consumed at the same time. Thus, both approaches can solve the problem of all available Http connections being closed at the same time.
Watch two
As illustrated in the above table two, when N is equal to 4, in the initial state, 4 HTTP connections are concurrently connected and have the same priority configuration, it may be determined that the highest priority level of one HTTP of the 4 HTTP connections is the first HTTP connection for transmitting the session message based on a load sharing algorithm (round robin or based on keyword selection), when the flow ID on the first HTTP connection is used up, the TCP connection 1 is closed, and it is determined that the highest priority level of another available HTTP is used for transmitting the session message based on the load sharing algorithm, and the TCP connection 1 is re-established to create a new HTTP connection, where the priority configuration of the established new HTTP is the same as the priority configuration of the other HTTP but has different ID information to distinguish different HTTP connections.
The above is only an example when the number N of Http concurrent connections is 4, and it can be understood that when the number N of Http concurrent connections is more than 4 or 2 or 3, the principle of the connection method for Http connection is the same as that described above, and a detailed description thereof is omitted.
The method for connecting Http in the specific embodiment of the present invention can solve the problem that when Http is reestablished after there is no available stream ID in connection between two node devices in the prior art, connection establishment delay is caused and service delay is affected; in addition, by providing that at least two Http connections are both in an activated state for selecting Http connection for session message transmission, the reliability of message transmission can be ensured; by setting priority configuration for each Http connection, there is a basis for selecting Http connections between at least two Http connections, and upper applications of an application layer (Http layer) always select available Http connections with high priority to send messages, so as to avoid confusion and complexity problems when selecting Http connections; further, when at least two Http connections have the same priority configuration, the problem of all available Http connections being closed simultaneously can also be solved.
Another aspect of the specific embodiment of the present invention further provides a connecting apparatus for Http, which is applied to a first node device, and as shown in fig. 5, the apparatus includes:
a first processing module 510, configured to, when N hypertext transfer protocol Http connections between the first node device and a second node device are all in an active state, select, according to a priority configuration of each Http connection, a first Http connection that is available in the N Http connections and has a highest priority as a target Http connection, where the first node device is configured to send a session message to the second node device;
wherein N is an integer of 2 or more.
The connection device according to the embodiment of the present invention may select an available Http connection for sending a session message between at least two Http connections according to the priority configuration of each Http connection, so that after a stream of one Http connection is used up, other Http connections may be selected to be used for sending a session message, and there is no service delay in reestablishing a new Http connection, thereby solving the problem that in the prior art, when there is no available stream ID, the Http reestablishment connection may cause a connection establishment delay and affect the service delay.
Optionally, the connection device further comprises:
a second processing module 520, configured to select, after the first Http connection is closed, a second Http connection that is available except for the first Http connection and has a highest priority level among the N Http connections as the target Http connection.
After the stream of the first Http connection with the highest priority is used up, the second Http connection with the highest priority is further selected as the target Http connection, so that the upper application of the application layer (Http layer) always selects the available Http connection with the highest priority to send the session message.
Through the priority selection principle, the selection of the Http connection between at least two Http connections has a basis, and the problems of confusion and complexity in selecting the Http connection are avoided.
Optionally, the connection device further comprises:
a connection establishing module 530, configured to establish a new Http connection after the first Http connection is closed, so that N Http connections are maintained between the first node device and the second node device, and a priority configuration of the new Http connection is created, so that the established new Http connection has a lowest priority among the N Http connections.
Specifically, the process of the connection establishing module 530 establishing a new Http connection may be:
closing the transport layer connection corresponding to the first Http connection after the first Http connection is closed;
and activating the corresponding transport layer connection, so that the activated transport layer connection creates a new Http connection. Based on the above-mentioned connection establishing module 530, after one of the Http connections is closed, a new Http connection is created, and during the creation process of the new Http connection, the Http connection with the highest priority level among the N Http connections may be selected for sending the session message, so that the creation process of the Http connection does not affect the time delay of sending the session message. In addition, the created new Http connection has the lowest priority, so that the created new Http connection is arranged among the N Http connections according to a priority configuration, so as to facilitate subsequent ordered selection of Http connections.
Optionally, in the connection apparatus according to the specific embodiment of the present invention, the priority configuration includes a priority parameter, and the priority levels corresponding to different priority parameters are different;
when the first Http connection with the highest priority among the N Http connections is selected as the target Http connection by the first processing module 510, the Http connection with the priority parameter corresponding to the highest priority among the N Http connections is selected as the first Http connection.
Optionally, in this embodiment of the present invention, the priority configuration includes a numerical value, and when different priority levels are arranged from high to low, the numerical values of the corresponding priority configuration are arranged from small to large.
For example, the priority levels are 1, 2, and 3 … respectively, and the corresponding priority levels are 1, 2, and 3 … from high to low.
When the priority corresponding to each Http connection is configured as a numerical value, the connection establishing module 530 establishes a new Http connection, so that the specific manner that the established new Http connection has the lowest priority among the N Http connections may be one of the following manners:
increasing a value N on the basis of the priority configuration of the closed first Http connection to obtain the priority configuration of the established new Http connection; for example, when N is 2 and the priority of the first Http connection is set to 1, the priority of the new Http connection established after the first Http connection is closed may be set to 3;
in the N Http connections, increasing a value 1 on the basis of priority configuration of a third Http connection with a lowest priority level to obtain priority configuration of the established new Http connection; for example, if the priority of the current third Http connection is the lowest and the priority of the third Http connection is set to 5, the priority of the established new Http connection is set to 6.
Optionally, the connection establishing module 530 further creates ID information of the new Http connection when the new Http connection is established, so that different Http connections have different ID information in the N Http connections.
In one embodiment of the present invention, among the N Http connections, different Http connections have different priority configurations.
In another embodiment of the present invention, the N Http connections have the same initial priority configuration.
In addition, when the N Http connections have the same initial priority configuration, the maximum number of streams that can be sent by each Http connection is different among the N Http connections having the same initial priority configuration.
In another embodiment of the present invention, when the N Http connections have the same initial priority configuration, each Http connection of the N Http connections having the same priority configuration corresponds to a different weight, wherein the number of session messages that can be transmitted over the corresponding Http connection is determined according to the weight.
Based on the above configuration, when the N Http connections have the same priority configuration, the first processing module 510 selects, according to the priority configuration of each Http connection, a first Http connection that is available among the N Http connections and has the highest priority level as a target Http connection, and determines, by using a round-robin method, that one of the N Http connections that is available has the highest priority level and is the first Http connection; or determining that one of the N Http connections has the highest priority level based on a keyword selection method, and determining that the one of the N Http connections has the highest priority level as the first Http connection.
In the above manner, when N Http connections concurrently operate, a round-robin selection method or a keyword selection method is used to determine that one of the N Http connections has the highest priority level of an available Http connection, which is the first Http connection, and the principle is that selection is performed based on a load sharing algorithm, and a sent signaling message is shared to a plurality of Http connections, so that the time for the flow exhaustion on the Http connections is prolonged by N times, thereby achieving the effect of reducing flow consumption.
In addition, different maximum flow numbers are set for different HTTP connections, so that concurrent HTTP connections cannot reach respective maximum flow numbers at the same time; or, the request/response message amount transmitted on different HTTP connections is distributed by the weight, so that the flow IDs of the concurrent HTTP connections are not consumed at the same time, and both of the two ways can solve the problem that all available HTTP connections are closed at the same time.
Further, with reference to fig. 5, in an embodiment of the present invention, the connecting device further includes:
a configuration module 540, configured to establish N Http connections with a second node device, and enable the N Http connections to be in an activated state.
Specifically, the specific process of the configuration module 540 for establishing N Http connections may include:
configuring a transport layer connection;
the transport layer connection is activated, causing the activated transport layer connection to create an HTTP connection.
In one embodiment of the invention, when the transport layer comprises the transmission control protocol TCP, one HTTP connection corresponds to one TCP connection of said transport layer.
The connection device according to the embodiment of the present invention can solve the problems that in the Http connection between two node devices in the prior art, when there is no available stream ID, the Http connection is reestablished, which may cause a connection establishment delay, and affect a service delay; in addition, by providing that at least two Http connections are both in an activated state for selecting Http connection for session message transmission, the reliability of message transmission can be ensured; by setting priority configuration for each Http connection, there is a basis for selecting Http connections between at least two Http connections, and upper applications of an application layer (Http layer) always select available Http connections with high priority to send messages, so as to avoid confusion and complexity problems when selecting Http connections; further, when at least two Http connections have the same priority configuration, the problem of all available Http connections being closed simultaneously can also be solved.
The embodiment of the present invention further provides a node device, as shown in fig. 6, including a memory 620, a processor 610, and a computer program stored in the memory 620 and executable on the processor; wherein the processor 610, when executing the program, implements the Http connection method as any one of the above.
Further, the node device may also include a transceiver 630 for receiving and transmitting data under the control of the processor 610.
Wherein in fig. 6, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 610, and various circuits, represented by memory 620, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 630 may be a number of elements, including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 610 is responsible for managing the bus architecture and general processing, and the memory 620 may store data used by the processor 610 in performing operations.
Specifically, as shown in fig. 6, when the node device is a first node device, the processor 610 is configured to:
when N hypertext transfer protocol Http connections existing between the first node device and the second node device are all in an activated state, selecting a first Http connection which is available in the N Http connections and has the highest priority level as a target Http connection according to priority configuration of each Http connection, and using the first node device to send a session message to the second node device;
wherein N is an integer of 2 or more. Optionally, the processor 610 is further configured to:
and after the first Http connection is closed, selecting a second Http connection which is available except the first Http connection and has the highest priority level from the N Http connections as the target Http connection.
Optionally, the processor 610 is further configured to:
and after the first Http connection is closed, establishing new Http connections, so that the first node device and the second node device maintain N Http connections, and creating a priority configuration of the new Http connections, so that the established new Http connections have the lowest priority among the N Http connections.
Alternatively, the process of the processor 610 establishing the new Http connection may be:
closing the transport layer connection corresponding to the first Http connection after the first Http connection is closed;
the corresponding transport layer connection is activated, causing the activated transport layer connection to create a new Http connection.
Optionally, the priority configuration includes a priority parameter, and the priority levels corresponding to different priority parameters are different;
when the processor 610 selects the first Http connection with the highest priority among the N Http connections as the target Http connection, the Http connection with the priority parameter corresponding to the highest priority among the N Http connections is selected as the first Http connection.
Optionally, the priority configuration includes a numerical value, and when different priority levels are arranged from high to low, the numerical values of the corresponding priority configurations are arranged from small to large.
Optionally, when the processor 610 establishes a new Http connection, the method further includes:
and creating ID information of a new Http connection, so that different Http connections have different ID information in the N Http connections.
Optionally, different Http connections of the N Http connections have different priority configurations.
Optionally, the N Http connections have initially the same priority configuration.
Optionally, the maximum number of streams that can be sent by each Http connection is different from each other among the N Http connections having the initially same priority configuration.
Optionally, in N Http connections having the same initial priority configuration, each Http connection corresponds to a different weight, where the number of session messages that can be transmitted on the corresponding Http connection is determined according to the weight.
Optionally, when the N Http connections have the same priority configuration, the processor 610 selects, according to the priority configuration of each Http connection, a first Http connection that is available among the N Http connections and has a highest priority level as a target Http connection:
determining one available Http connection in the N Http connections with the highest priority level by adopting a round-robin selection method, and taking the available Http connection as the first Http connection; or determining that one of the N Http connections has the highest priority level based on a keyword selection method, and determining that the one of the N Http connections has the highest priority level as the first Http connection.
Optionally, the processor 610 is further configured to:
and the N Http connections are established with a second node device, and the N Http connections are all in an activated state.
Optionally, the process of establishing N Http connections between the processor 610 and the second node device may include:
configuring a transport layer connection;
the transport layer connections are activated, causing the activated transport layer connections to create N Http connections.
Optionally, when the transport layer comprises the transmission control protocol TCP, one Http connection corresponds to one TCP connection of the transport layer.
Another aspect of the embodiments of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the program, when executed by a processor, implements the steps in the method for connecting Http as described in any one of the above.
Specifically, the specific process of the computer-readable storage medium when executing the connection method of the Http may refer to the detailed description in the connection method described above with reference to fig. 1 to fig. 4, and is not described herein again.
The present invention further provides a method for connecting Http in another embodiment, which is applied to a first node device, and as shown in fig. 7, the method includes:
s710, keeping N Http connections with a second node device, wherein the N Http connections are all in an activated state and are used for transmitting messages; wherein N is an integer of 2 or more.
In the connection method in this embodiment, N Http connections are maintained between the first node device and the second node device, and the N Http connections are activated, so that at least two Http connections can be used to transmit messages, and frequent reestablishment of the Http connections is avoided, thereby reducing the reestablishment frequency of the Http connections, and solving the problem that, in the connection of Http between two node devices in the prior art, connection establishment delay is caused by reestablishment of the Http after there is no available stream ID, and service delay is affected.
Specifically, step S710 includes:
configuring a transport layer connection;
the transport layer connection is activated, causing the activated transport layer connection to create N HTTP connections.
Optionally, when the transport layer includes a Transmission Control Protocol (TCP), one HTTP connection corresponds to one TCP connection of the transport layer.
Optionally, the connection method further includes:
and when one HTTP connection of the N Http connections is closed, establishing a new HTTP connection, and enabling the created new HTTP connection to be in an activated state.
Specifically, after one of the Http connections is closed, the step of establishing a new Http connection includes:
closing the transport layer connection corresponding to one Http connection after the Http connection is closed;
the corresponding transport layer connection is activated, causing the activated transport layer connection to create a new Http connection.
Optionally, in the step S710 of maintaining N Http connections with the second node device, each Http connection in the N Http connections has a priority configuration, and the priority configuration may be used as a selection basis for selecting an available Http connection for session message transmission between at least two Http connections, so that an upper application in an application layer (Http layer) always selects an available Http connection with a high priority to transmit a message, thereby avoiding confusion and complexity in selecting the Http connection.
Optionally, the priority configuration includes a priority parameter, and the priority levels corresponding to different priority parameters are different.
Optionally, the priority configuration includes a numerical value, and when different priority levels are arranged from high to low, the numerical values of the corresponding priority configurations are arranged from small to large.
Optionally, different Http connections of the N Http connections have different priority configurations.
Optionally, the N Http connections have initially the same priority configuration.
Optionally, in the N Http connections with the initially same priority configuration, the maximum number of streams that each Http connection can send is different.
Optionally, in N Http connections having the same initial priority configuration, each Http connection corresponds to a different weight, where the number of session messages that can be transmitted on the corresponding Http connection is determined according to the weight.
Another aspect of the specific embodiment of the present invention further provides a connecting device of a hypertext transfer protocol Http, where the connecting device is applied to a first node device, and as shown in fig. 8, the connecting device includes:
a connection module 810, configured to maintain N Http connections with a second node device, where the N Http connections are all in an active state, and are used to transmit a message;
wherein N is an integer of 2 or more.
In the connection apparatus in this embodiment, N Http connections are maintained between the first node device and the second node device, and the N Http connections are in an active state, so that at least two Http connections can be used to transmit messages, and frequent reestablishment of the Http connections is avoided, thereby reducing the reestablishment frequency of the Http connections, and solving the problem that in the connection of Http between two node devices in the prior art, connection establishment delay is caused by reestablishment of the Http after there is no available stream ID, and service delay is affected.
Optionally, the connection device further comprises:
a new creating module 820, configured to create a new Http connection after one Http connection of the N Http connections is closed, and enable the created new Http connection to be in an activated state.
Optionally, when N Http connections are maintained between the first node device and the second node device through the connection module 810, each Http connection of the N Http connections has a priority configuration.
Optionally, the priority configuration includes a priority parameter, and the priority levels corresponding to different priority parameters are different.
Optionally, the priority configuration includes a numerical value, and when different priority levels are arranged from high to low, the numerical values of the corresponding priority configurations are arranged from small to large.
Optionally, different Http connections of the N Http connections have different priority configurations.
Optionally, the N Http connections have initially the same priority configuration.
The specific embodiment of the present invention further provides a node device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor; wherein the processor, when executing the program, implements the Http connection method as described in any one of the above.
Further, the node device may further include a transceiver for receiving and transmitting data under the control of the processor.
Specifically, when the node device is a first node device, the processor is configured to:
maintaining N Http connections with a second node device, the N Http connections each being active for transmitting messages;
wherein N is an integer of 2 or more.
Optionally, the processor is further configured to:
and when one HTTP connection of the N Http connections is closed, establishing a new HTTP connection, and enabling the created new HTTP connection to be in an activated state.
Optionally, when the processor maintains N Http connections between the first node device and the second node device, each Http connection of the N Http connections has a priority configuration.
Optionally, the priority configuration includes a priority parameter, and the priority levels corresponding to different priority parameters are different.
Optionally, the priority configuration includes a numerical value, and when different priority levels are arranged from high to low, the numerical values of the corresponding priority configurations are arranged from small to large.
Optionally, different Http connections of the N Http connections have different priority configurations.
Optionally, the N Http connections have initially the same priority configuration.
Another aspect of the embodiments of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the program, when executed by a processor, implements the steps in the method for connecting Http as described in any one of the above.
Specifically, the specific process of the computer-readable storage medium when executing the connection method of the Http may refer to the detailed description in the connection method described above with reference to fig. 7, and is not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the transceiving method according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (24)
1. A connecting method of a hypertext transfer protocol (Http) is applied to a first node device, and is characterized by comprising the following steps:
when N hypertext transfer protocol Http connections existing between the first node device and a second node device are all in an activated state, selecting a first Http connection which is available in the N Http connections and has the highest priority level as a target Http connection according to priority configuration of each Http connection, and using the first node device to send a session message to the second node device;
wherein N is an integer of 2 or more.
2. The method of connecting according to claim 1, further comprising:
and the N Http connections are established with a second node device, and the N Http connections are all in an activated state.
3. The method of connecting according to claim 1, further comprising:
and after the first Http connection is closed, selecting a second Http connection which is available except the first Http connection and has the highest priority level from the N Http connections as the target Http connection.
4. The method of connecting according to claim 1, further comprising:
and after the first Http connection is closed, establishing new Http connections, so that the first node device and the second node device maintain N Http connections, and creating a priority configuration of the new Http connections, so that the established new Http connections have the lowest priority among the N Http connections.
5. The connection method according to claim 4, wherein the step of establishing a new Http connection after the first Http connection is closed comprises:
closing a transport layer connection corresponding to the first Http connection after the first Http connection is closed;
and activating the corresponding transport layer connection, so that the activated transport layer connection creates a new Http connection.
6. The connection method according to claim 1, wherein the priority configuration includes a priority parameter, and the priority level corresponding to different priority parameters is different;
in the step of selecting the first Http connection with the highest priority among the N Http connections as the target Http connection, the Http connection with the priority parameter corresponding to the highest priority among the N Http connections is selected as the first Http connection.
7. The method according to claim 1, wherein the priority configuration comprises a value, and when the different priority levels are arranged from high to low, the order of the values of the corresponding priority configuration is from small to large.
8. The method according to claim 1, wherein different Http connections of the N Http connections have different priority configurations.
9. The method of claim 1, wherein the N Http connections have an initial same priority configuration.
10. The connection method according to claim 9, wherein the maximum number of streams that can be transmitted by each Http connection is different among the N Http connections having the same initial priority configuration.
11. The connection method according to claim 9, wherein each of the N Http connections with the initially same priority configuration corresponds to a different weight, and wherein the number of session messages that can be transmitted on the corresponding Http connection is determined according to the weight.
12. The method according to claim 9, wherein when N Http connections have the same priority configuration, the step of selecting a first Http connection with the highest priority level among the N Http connections as the target Http connection according to the priority configuration of each Http connection comprises:
determining one available Http connection in the N Http connections with the highest priority level by adopting a round-robin selection method, and taking the available Http connection as the first Http connection; or determining that one of the N Http connections has the highest priority level based on a keyword selection method, and determining that the one of the N Http connections has the highest priority level as the first Http connection.
13. The method according to claim 2, wherein the N Http connections are established with the second node device, and wherein the step of activating each of the N Http connections comprises:
configuring a transport layer connection;
the transport layer connection is activated, causing the activated transport layer connection to create N HTTP connections.
14. The connection method according to claim 13, wherein when the transport layer includes a transmission control protocol TCP, one Http connection corresponds to one TCP connection of the transport layer.
15. A connecting method of a hypertext transfer protocol (Http) is applied to a first node device, and is characterized by comprising the following steps:
n Http connections are maintained with the second node device, and each Http connection in the N Http connections has a priority configuration; and the N Http connections are all in an activated state, selecting a first Http connection which is available in the N Http connections and has the highest priority level as a target Http connection for transmitting a message;
wherein N is an integer of 2 or more.
16. The connecting method according to claim 15, characterized in that the connecting method further comprises:
and when one HTTP connection of the N Http connections is closed, establishing a new HTTP connection, and enabling the created new HTTP connection to be in an activated state.
17. The method according to claim 15, wherein the priority configuration comprises a priority parameter, and the priority level of different priority parameters is different.
18. The method according to claim 15, wherein the priority configuration comprises a value, and when the different priority levels are arranged from high to low, the order of the values of the corresponding priority configuration is from small to large.
19. The method according to claim 15, wherein different Http connections of the N Http connections have different priority configurations.
20. The method of claim 15, wherein the N Http connections have an initial same priority configuration.
21. A connecting apparatus of hypertext transfer protocol Http, applied to a first node device, the apparatus comprising:
a first processing module, configured to, when N hypertext transfer protocol Http connections are all active between the first node device and a second node device, select, according to a priority configuration of each Http connection, a first Http connection that is available among the N Http connections and has a highest priority as a target Http connection, where the first node device sends a session message to the second node device;
wherein N is an integer of 2 or more.
22. A connecting apparatus of hypertext transfer protocol Http, applied to a first node device, the apparatus comprising:
the connection module is used for keeping N Http connections with the second node equipment, and each Http connection in the N Http connections has priority configuration; and the N Http connections are all in an activated state, selecting a first Http connection which is available in the N Http connections and has the highest priority level as a target Http connection for transmitting a message;
wherein N is an integer of 2 or more.
23. A node apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor; characterized in that the processor, when executing the computer program, implements the method for connecting hypertext transfer protocol Http according to one of claims 1 to 14 or claims 15 to 20.
24. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps in the method for connecting a hypertext transfer protocol Http according to one of claims 1 to 14 or the steps in the method for connecting a hypertext transfer protocol Http according to one of claims 15 to 20.
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| US7028091B1 (en) * | 2000-08-31 | 2006-04-11 | Sun Microsystems, Inc. | Web server in-kernel interface to data transport system and cache manager |
| US7577749B1 (en) * | 2004-12-03 | 2009-08-18 | Ux Ltd. | Emulation of persistent HTTP connections between network devices |
| CN101834777B (en) * | 2009-03-11 | 2015-07-29 | 瞻博网络公司 | The HTTP of dialogue-based high-speed cache accelerates |
| US8964757B2 (en) * | 2009-12-18 | 2015-02-24 | Qualcomm Incorporated | HTTP optimization, multi-homing, mobility and priority |
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| US9635077B2 (en) * | 2014-03-14 | 2017-04-25 | Adobe Systems Incorporated | Low latency live video streaming |
| US20160094608A1 (en) * | 2014-09-30 | 2016-03-31 | Qualcomm Incorporated | Proactive TCP Connection Stall Recovery for HTTP Streaming Content Requests |
| CN105306602A (en) * | 2015-11-30 | 2016-02-03 | 用友优普信息技术有限公司 | Processing method, processing device and server for hypertext transfer protocol request |
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