CN114827231A - Method and system for realizing multi-window point-to-point communication based on local storage of browser - Google Patents
Method and system for realizing multi-window point-to-point communication based on local storage of browser Download PDFInfo
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- CN114827231A CN114827231A CN202210371031.2A CN202210371031A CN114827231A CN 114827231 A CN114827231 A CN 114827231A CN 202210371031 A CN202210371031 A CN 202210371031A CN 114827231 A CN114827231 A CN 114827231A
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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
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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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]
Abstract
The invention relates to the technical field of communication, in particular to a method and a system for realizing multi-window point-to-point communication based on local storage of a browser, which comprises the following steps: after initialization is completed, the target group and the sender are returned to establish a channel relationship through the waving signal and the handshake signal, and the holding signal is sent; after the sender sends entity data to determine that the channel is alive, a take-off signal is initiated periodically and the last survival time is recorded; and regularly maintaining the channel relation to ensure that the state of the channel is always the latest, tracking the survival channel, removing the inactivated channel and finishing the communication. The invention realizes point-to-point information exchange in a communication system. The invention can not only establish point-to-point channels in the communication system, but also identify the inactivated channels, and clear the inactivated channels to avoid communication blockage. The method utilizes the broadcasting event of local storage change, and the event has the characteristic that a data change party cannot receive the event, can just be used as the basis of communication, and has strong practicability.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a system for realizing multi-window point-to-point communication based on local storage of a browser.
Background
In the prior art, a browser provides a long-term reserved data storage mode, and the storage technology provides capabilities of data storage, reading, change monitoring and the like.
The local storage approach follows the browser's isogeny policy, i.e. in case of isogeny (same protocol, domain, port) multi-window, the local storage is shared. And, it is critical that in the same source multi-window case, the data written by window a, the data change will only be snooped in other non-window a.
Furthermore, in a closed loop system with multi-window operation, point-to-point information exchange between multiple windows is required.
Scene 1: when the window m is subjected to login operation, other windows need to be informed to login the same account; similarly, when the window n logs out, it needs to notify other windows to log out.
Scene 2: the main window A opens two sub-windows b and c, and after the main window A minimizes the sub-window b, the sub-window b needs to be informed to reduce the communication frequency inside the application; and when the main window A recovers the sub-window b, the sub-window b needs to be informed to recover the application internal communication frequency.
Therefore, the method and the system for realizing multi-window point-to-point communication based on the local storage of the browser are provided.
Disclosure of Invention
The invention discloses a method and a system for realizing multi-window point-to-point communication based on local storage of a browser.
The invention is realized by the following technical scheme:
in a first aspect, the present invention provides a method for implementing multi-window peer-to-peer communication based on local storage of a browser, comprising the following steps:
after initialization is completed, the target group and the sender are returned to establish a channel relationship through the waving signal and the handshake signal, and the holding signal is sent;
after the sender sends entity data to determine that the channel is alive, a take-off signal is initiated periodically and the last survival time is recorded;
and regularly maintaining the channel relation to ensure that the state of the channel is always the latest, tracking the survival channel, removing the inactivated channel and completing the communication.
Furthermore, in the method, before the sender and the responder do not establish the peer-to-peer communication channel, a waving signal is sent to the responder target group, after the target group receives the waving signal, a sending handshake signal is returned to the sender, after the sender receives a plurality of handshake signals of the target group, the sender sequentially selects the handshake signals and establishes a channel relationship with the handshake signals, and simultaneously sends a holding signal to the responder with the established channel relationship, after the responder receives the holding signal, the responder establishes a channel relationship with the sender, so that the peer-to-peer communication channel is established, and subsequent data transmission and channel maintenance are performed.
Further, in the method, the sender sends entity data according to the established point-to-point channel, the responder marks the survival of the channel after receiving the data, records the last survival time, and sends back an acknowledgement signal.
Furthermore, in the method, the sender periodically sends a take-off signal, the responder returns a return signal after receiving the take-off signal, and the responder marks the survival of the channel and records the last survival time.
Furthermore, in the method, after receiving the bounce signal, the sender marks the channel as alive, records the last survival time, and marks the channel as inactive if the bounce signal is not received after the timeout duration.
Furthermore, in the method, the deactivated channel is no longer used for the point-to-point communication, and if the point-to-point communication needs to be performed again, the communication process is restarted.
Further, in the method, defining a communication point consisting of C, N two parts is performed; wherein C represents application code, is uniformly distributed by a communication system, consists of non-repeated numbers, letters and short transverse lines, and has a length less than or equal to 64 bits;
n represents an application serial number, is generated by an application, consists of numbers, letters and short transverse lines, is unique in the same application system, and has the length of less than or equal to 64 bits.
Further, in the method, a communication address composed of N, V, Ca, Na, Cb, Nb is defined; wherein, N represents a name space, and the length is less than or equal to 32 bits; v represents a communication protocol version number; ca is AppCode of the sender; na is AppNo of the sender; cb is AppCode of the responder; nb is the return side AppNo, and when the return side AppNo is unknown, the english "+" is used instead.
Further, in the method, the communication address is used for storing the key usage, and the signal and data during communication are used for storing the value usage
The communication address is used as a storage key, English colons are used for separation, signals and data in the communication process are used as storage values, and a JSON format or other resolvable text data formats are used.
In a second aspect, the present invention provides a system for implementing multi-window peer-to-peer communication based on browser local storage, which is characterized by comprising a processor and a memory, wherein the memory stores execution instructions, and when the processor executes the execution instructions stored in the memory, the processor executes the method steps of implementing multi-window peer-to-peer communication based on browser local storage in the first aspect.
The invention has the beneficial effects that:
in a communication system, each communication point needs a certain rule and a unique communication address, so that point-to-point information exchange in the communication system is realized. The invention can not only establish point-to-point channels in the communication system, but also identify the inactivated channels, and clear the inactivated channels to avoid communication blockage. The communication method of the invention skillfully utilizes the broadcasting event of local storage change, and the event has the characteristic that a data change party cannot receive the event, can just be used as the basis of communication, and has strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a method step diagram for implementing multi-window peer-to-peer communication based on browser local storage;
FIG. 2 is a method diagram for peer-to-peer communication according to an embodiment of the present invention;
FIG. 3 is a broadcast phase diagram of an embodiment of the present invention;
FIG. 4 is a diagram of the exchange phase of an embodiment of the present invention;
fig. 5 is a diagram of the heartbeat phase of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present embodiment provides a method for implementing multi-window peer-to-peer communication based on local storage of a browser, including the following steps:
after initialization is completed, the target group and the sender are returned to establish a channel relationship through the waving signal and the handshake signal, and the holding signal is sent;
after the sender sends entity data to determine that the channel is alive, a take-off signal is initiated periodically and the last survival time is recorded;
and regularly maintaining the channel relation to ensure that the state of the channel is always the latest, tracking the survival channel, removing the inactivated channel and completing the communication.
The present embodiment defines a communication point consisting of C, N two parts; wherein C represents application code, is uniformly distributed by a communication system, consists of non-repeated numbers, letters and short transverse lines, and has a length less than or equal to 64 bits;
n represents an application serial number, is generated by an application, consists of numbers, letters and short transverse lines, is unique in the same application system, and has the length of less than or equal to 64 bits.
In this embodiment, a communication address composed of N, V, Ca, Na, Cb, and Nb is defined; wherein, N represents a name space, and the length is less than or equal to 32 bits; v represents a communication protocol version number; ca is AppCode of the sender; na is AppNo of the sender; cb is AppCode of the responder; nb is the rewriter AppNo, and when the rewriter AppNo is unknown, it is replaced with an english "+".
The communication address of the embodiment is used for storing the key use, and the signal and data in the communication process are used for storing the value use
The communication address of the embodiment is used as a storage key, English colons are used for separation, signals and data in the communication process are used as storage values, and a JSON format or other resolvable text data formats are used.
Example 2
In a specific implementation level, referring to fig. 2, the embodiment provides a method for peer-to-peer communication, and a communication process of the embodiment sequentially includes three stages, P1, P2, and P3. P1 is the broadcast phase, P2 is the exchange phase, and P3 is the heartbeat phase.
Referring to fig. 3, a broadcast phase (P1) is a point-to-point channel setup phase defined as a broadcast phase, and consists of three steps B1, B2, and B3 in sequence. B1 is a hand waving step, B2 is a hand shaking step, and B3 is a hand pulling step.
In the waving step (B1), the originator and the responder need to initiate waving signals to the group of the respondents before establishing the peer-to-peer communication channel. The stored data of the originator is: a storage key: NVCaNaCbN; stored value: b is 1.
In the handshake step (B2) of this embodiment, the target group returns a transmission handshake signal to the originator after receiving the hand waving signal. The stored data of the echoing party is: a storage key: NVCbNbCaNa; stored value: and B is 2.
In the hand pulling step (B3), after the sender receives the plurality of handshake signals of the target group, the sender sequentially selects the handshake signals and establishes a channel relationship with the handshake signals, and sends the hand pulling signals. The stored data of the originator is: and a storage key: NVCaNaCbNb; stored value: and B is 3.
In this embodiment, the responder will establish a channel relationship with the sender after receiving the hand-in-hand signal. After 3 steps, the sender and the recipient have established a unique point-to-point channel relationship, and then can use the channel to exchange data with each other.
Referring to fig. 4, the exchange phase (P2) is defined as an exchange phase, and is composed of two steps, i.e., E1 and E2. E1 is the sending step, E2 is the receipt step.
In the sending step (E1), the originator sends the entity data D according to the point-to-point channel established in stage P1. The stored data of the originator is: a storage key: NVCaNaCbNb; stored value: e-1, D.
In the receipt step (E2), after receiving the data, the responder marks the channel alive, records the last time alive, and needs to send a receipt signal. The stored data of the echoing party is: a storage key: NVCbNbCaNa; stored value: and E is 2.
After receiving the acknowledgement signal, the sender marks the survival of the channel and records the last survival time. If no receipt signal is received beyond a timeout period (which may be preset in a communication system), the channel is marked as inactive. The deactivated channel will no longer be available for point-to-point communication and will need to start from the first stage of the communication process if point-to-point communication needs to be resumed.
Referring to fig. 5, the heartbeat phase (P3) is to maintain the channel relationship regularly, keep the state of the channel up to date, and track the surviving channel and remove the inactive channel. This phase is defined as the heartbeat phase, which consists of two sequential steps H1, H2. H1 is a take-off step and H2 is a jump back step.
In the step of take-off (H1), the originator periodically initiates a take-off signal. The stored data of the originator is: a storage key: NVCaNaCbNb; stored value: h is 1.
In the step of the back-off (H2), after receiving the take-off signal, the responder needs to return back the back-off signal, and at the same time, the responder needs to mark the channel as alive and record the last survival time. The memory data returned is: a storage key: NVCbNbCaNa; stored value: h is 2.
After receiving the back-hopping signal, the sender of this embodiment will mark the channel as alive and record the last time of alive. If no hop-back signal is received beyond a time-out period (which may be preset in a communication system), the channel is marked as inactive. The deactivated channels will no longer be available for point-to-point communication and, if a point-to-point communication needs to be resumed, it will need to start from the first stage of the communication process.
Communication address of the present embodiment: in a communication system, each communication point needs to have a regular, unique communication address so that point-to-point information exchange can be performed in the communication system.
The communication process of the embodiment: the 3 stages of the communication process are defined in detail, and the process comprises 7 steps, and not only can establish a point-to-point channel in the communication system, but also can identify an inactivated channel and clear the inactivated channel to avoid communication blockage.
The technical basis of the embodiment is as follows: the communication method skillfully utilizes the broadcasting event of local storage change, and the event has the characteristic that a data change party cannot receive the event and can just be used as the basis of communication.
Example 3
The embodiment provides a system for realizing multi-window point-to-point communication based on a local storage of a browser, which is characterized by comprising a processor and a memory, wherein the memory is stored with execution instructions, and when the processor executes the execution instructions stored in the memory, the processor executes the method steps for realizing multi-window point-to-point communication based on the local storage of the browser.
In summary, in a communication system, each communication point needs to have a certain rule and a unique communication address, so as to realize point-to-point information exchange in the communication system. The invention can not only establish point-to-point channels in the communication system, but also identify the inactivated channels, and clear the inactivated channels to avoid communication blockage. The communication method of the invention skillfully utilizes the broadcasting event of local storage change, and the event has the characteristic that a data change party cannot receive the event, can just be used as the basis of communication, and has strong practicability.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for realizing multi-window point-to-point communication based on local storage of a browser is characterized by comprising the following steps:
after initialization is completed, the target group and the sender are returned to establish a channel relationship through the waving signal and the handshake signal, and the holding signal is sent;
after the sender sends entity data to determine that the channel is alive, a take-off signal is initiated periodically and the last survival time is recorded;
and regularly maintaining the channel relation to ensure that the state of the channel is always the latest, tracking the survival channel, removing the inactivated channel and completing the communication.
2. The method as claimed in claim 1, wherein the sender and the responder initiate a waving signaling to the target group of the response before establishing the peer-to-peer communication channel, the target group returns a sending handshake signal to the sender after receiving the waving signaling, the sender sequentially selects and establishes a channel relationship with the handshake signals after receiving a plurality of handshake signals of the target group, and simultaneously sends a link signal to the responder with the established channel relationship, the responder establishes a channel relationship with the sender after receiving the link signal, and the peer-to-peer communication channel is established and subsequent data transmission and channel maintenance are performed.
3. The method of claim 1, wherein the sender sends entity data according to the established peer-to-peer channel, the responder marks the channel alive after receiving the data, records the last alive time, and sends back an acknowledgement signal.
4. The method of claim 3, wherein the sender periodically initiates a jump-off signal, the responder returns a jump-off signal after receiving the jump-off signal, and the responder marks the channel as alive and records the last survival time.
5. The method of claim 1, wherein the originator marks the channel alive after receiving the bounce signal, records the last time alive, and marks the channel inactive if the bounce signal is not received after the timeout period.
6. The method of claim 5, wherein the deactivated channel is no longer used for peer-to-peer communication, and if the peer-to-peer communication needs to be resumed, the communication process is resumed.
7. The method of claim 1, wherein said method defines C, N two-part communication points; wherein C represents application code, is uniformly distributed by a communication system, consists of non-repeated numbers, letters and short transverse lines, and has a length less than or equal to 64 bits;
n represents an application serial number, is generated by an application, consists of numbers, letters and short transverse lines, is unique in the same application system, and has the length of less than or equal to 64 bits.
8. The method for implementing multi-window peer-to-peer communication based on local storage of browser according to claim 1, wherein in said method, defining communication addresses consisting of N, V, Ca, Na, Cb, Nb; wherein, N represents a name space, and the length is less than or equal to 32 bits; v represents a communication protocol version number; ca is AppCode of the sender; na is AppNo of the sender; cb is AppCode of the responder; nb is the rewriter AppNo, and when the rewriter AppNo is unknown, it is replaced with an english "+".
9. The method of claim 8, wherein the communication address is used for storing key usage, and signals and data during communication are used for storing value usage
The communication address is used as a storage key, English colons are used for separation, signals and data in the communication process are used as storage values, and a JSON format or other resolvable text data formats are used.
10. A system for implementing multi-window peer-to-peer communication based on browser local storage, comprising a processor and a memory storing execution instructions, wherein when the processor executes the execution instructions stored in the memory, the processor executes the method of claim 1.
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