CN114827231B - Method and system for realizing multi-window point-to-point communication based on browser local storage - Google Patents
Method and system for realizing multi-window point-to-point communication based on browser local storage Download PDFInfo
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- CN114827231B CN114827231B CN202210371031.2A CN202210371031A CN114827231B CN 114827231 B CN114827231 B CN 114827231B CN 202210371031 A CN202210371031 A CN 202210371031A CN 114827231 B CN114827231 B CN 114827231B
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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 browser local storage, which comprises the following steps: after the initialization is completed, the feedback target group and the sender establish a channel relation through the hand waving indication signal and the handshake signal and send a hand pulling signal; after the sender sends entity data to determine that the channel survives, periodically initiating a jump signal and recording the final survival time; and (3) periodically maintaining a channel relation, enabling the state of the channel to be always up to date, tracking a survival channel, removing an inactivated channel, and completing communication. The invention realizes the point-to-point information exchange in the communication system. The invention not only can establish the point-to-point channel in the communication system, but also can identify the inactivated channel and clear the inactivated channel to avoid communication blockage. The broadcast event of local storage change is utilized, the event has the characteristic that a data change party cannot receive the event, the event can be just used as a communication basis, and the method 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 browser local storage.
Background
In the prior art, a browser provides a long-term reserved data storage mode, and the storage technology provides the capabilities of data storage, reading, monitoring changes and the like.
The local storage means follows the browser's homology policy, i.e. in case of homologous (same protocol, domain, port) multi-window, the local storage is shared. Also, it is critical that in the case of a homologous multi-window, window a writes data, which changes will only be heard in other non-window a.
In a closed-loop system running in multiple windows, point-to-point information exchange is needed between the multiple windows.
Scene 1: after the window m carries out login operation, other windows are required to be informed of logging in the same account; similarly, when window n has logged off and logged off, it is necessary to notify the other windows that logging off is also performed.
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 after the main window a recovers the sub-window b, the sub-window b needs to be informed to recover the application internal communication frequency.
Thus, a method and system for implementing multi-window point-to-point communication based on browser local storage is provided herein.
Disclosure of Invention
The invention discloses a method and a system for realizing multi-window point-to-point communication based on browser local storage.
The invention is realized by the following technical scheme:
in a first aspect, the present invention provides a method for implementing multi-window point-to-point communication based on browser local storage, including the steps of:
after the initialization is completed, the feedback target group and the sender establish a channel relation through the hand waving indication signal and the handshake signal, and the sender sends the hand pulling signal;
after the sender sends entity data to determine that the channel survives, periodically initiating a jump signal and recording the final survival time;
and (3) periodically maintaining a channel relation, enabling the state of the channel to be always up to date, tracking a survival channel, removing an inactivated channel, and completing communication.
In the method, before a point-to-point communication channel is not established, a sender and a sender send back a hand waving indication signal to a sender, the sender sends back a hand waving indication signal to a sender after receiving the hand waving indication signal, the sender sequentially selects the hand waving signals and establishes a channel relation with the hand waving signal after receiving a plurality of hand waving signals of the sender, and simultaneously sends a hand pulling signal to the sender with the established channel relation, and the sender establishes the channel relation with the sender after receiving the hand pulling signal, so that the point-to-point communication channel is established, and subsequent data transmission and channel maintenance are carried out.
Further, in the method, the sender will send entity data according to the established point-to-point channel, the sender marks the channel to survive after receiving the data, records the last survival time, and sends a receipt signal.
Further, in the method, the sender periodically initiates a jump signal, the receiver returns the jump signal after receiving the jump signal, and the receiver marks the survival of the channel and records the final survival time.
Still further, in the method, the sender marks the channel alive after receiving the rebound signal, records the last alive time, and marks the channel inactive if the rebound signal is not received beyond the timeout period.
Still further, in the method, the deactivated channel will not be used for point-to-point communication, and if a need arises to resume point-to-point communication, the communication process is restarted.
Further, in the method, a communication point formed by two parts C, M is defined; wherein C represents application codes, which are uniformly distributed by a communication system and consist of non-repeated numbers, letters and short transverse lines, and the length is less than or equal to 64 bits;
m represents an application serial number, is generated by an application and 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, defining a communication address consisting of N, V, ca, na, cb, nb is performed; 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 an AppCode of the sender; na is the AppNo of the sender; cb is AppCode of the feedback party; nb is the answer-back party's AppNo, and when the answer-back party's AppNo is unknown, english "×" is used instead.
Further, in the method, the communication address is used for storing key usage, and the signals and data in the communication process are used for storing value usage
The communication address is used as a storage key, is separated by using an English colon, and signals and data in the communication process are used as storage values, and are in a JSON format or other resolvable text data formats.
In a second aspect, the present invention is a system for implementing multi-window peer-to-peer communication based on a browser local storage, which is characterized by comprising a processor and a memory storing execution instructions, when the processor executes the execution instructions stored in the memory, the processor executes the steps of the method for implementing multi-window peer-to-peer communication based on the browser local storage in the first aspect.
The beneficial effects of the invention are as follows:
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 not only can establish the point-to-point channel in the communication system, but also can identify the inactivated channel and clear the inactivated channel to avoid communication blockage. The communication method ingeniously utilizes the broadcasting event of local storage change, and the event has the characteristic that the data change party cannot receive the event, can be just used as a communication basis, and has strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of method steps for implementing multi-window point-to-point communication based on browser local storage;
FIG. 2 is a schematic diagram of a method of peer-to-peer communication provided by 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 phases of an embodiment of the present invention;
fig. 5 is a diagram of a heartbeat phase of an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the present embodiment provides a method for implementing multi-window point-to-point communication based on browser local storage, which includes the following steps:
after the initialization is completed, the feedback target group and the sender establish a channel relation through the hand waving indication signal and the handshake signal, and the sender sends the hand pulling signal;
after the sender sends entity data to determine that the channel survives, periodically initiating a jump signal and recording the final survival time;
and (3) periodically maintaining a channel relation, enabling the state of the channel to be always up to date, tracking a survival channel, removing an inactivated channel, and completing communication.
The embodiment defines a communication point consisting of C, M parts; wherein C represents application codes, which are uniformly distributed by a communication system and consist of non-repeated numbers, letters and short transverse lines, and the length is less than or equal to 64 bits;
m represents an application serial number, is generated by an application and 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.
The present embodiment defines a communication address composed 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 an AppCode of the sender; na is the AppNo of the sender; cb is AppCode of the feedback party; nb is the answer-back party's AppNo, and when the answer-back party's AppNo is unknown, english "×" is used instead.
The communication address of the embodiment is used for storing key use, and signals and data in the communication process are used for storing value use
The communication address of the embodiment is used as a storage key, and is separated by using English colon, and 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, referring to fig. 2, the present embodiment provides a peer-to-peer communication method, where the communication process in this embodiment is sequentially composed of three phases P1, P2, and P3. P1 is the broadcast phase, P2 is the exchange phase, and P3 is the heartbeat phase.
Referring to fig. 3, the broadcast phase (P1) is defined as a broadcast phase for the establishment of a point-to-point channel, and is composed of three steps B1, B2, and B3 in sequence. B1 is a waving step, B2 is a handshaking step, and B3 is a pulling step.
In the waving step (B1) of this embodiment, before the sender and the sender reply the target group by sending a reply to initiate waving signals, before the peer-to-peer communication channel is not established. The sender's stored data is: storage key: NVCaNaCbN; storing the value: b=1.
In the handshake step (B2) of this embodiment, after receiving the hand waving signal, the reply target group returns the sending handshake signal to the sender. The stored data of the feedback party are: storage key: NVCbNbCaNa; storing the value: b=2.
In the hand-pulling step (B3), after receiving a plurality of handshake signals of the reply 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 sender's stored data is: storage key: NVCaNaCbNb; storing the value: b=3.
In this embodiment, the sender establishes a channel relationship with the sender after receiving the hand-in signal. After 3 steps at this time, the sender and the sender 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 a phase of entity data exchange, and is composed of two steps E1 and E2 in sequence. E1 is the sending step and E2 is the receipt step.
In the transmitting step (E1) of this embodiment, the sender transmits the entity data D according to the point-to-point channel established in the P1 phase. The sender's stored data is: storage key: NVCaNaCbNb; storing the value: e=1, d.
In the receipt step (E2), the sender marks the channel alive after receiving the data, records the last alive time, and needs to send a receipt signal. The stored data of the feedback party are: storage key: NVCbNbCaNa; storing the value: e=2.
In this embodiment, after receiving the receipt signal, the sender marks the channel alive and records the last alive time. If the receipt signal has not been received beyond a timeout period (a timeout period 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 if a re-point communication is required, it is necessary to start from the first phase of the communication process.
Referring to fig. 5, the heartbeat phase (P3) is to maintain the channel relationship periodically, keep the channel state up to date, track the surviving channels, and remove the inactive channels. This phase is defined as the heartbeat phase, which consists of two sequential steps H1, H2. H1 is the jump step and H2 is the rebound step.
In the take-off step (H1) of this embodiment, the sender will initiate the take-off signal periodically. The sender's stored data is: storage key: NVCaNaCbNb; storing the value: h=1.
In the step (H2) of the present embodiment, after receiving the bounce signal, the sender needs to return the bounce signal, and at the same time, the sender needs to mark the survival time of the channel, and records the last survival time. The stored data of the reply is: storage key: NVCbNbCaNa; storing the value: h=2.
In this embodiment, after receiving the rebound signal, the sender marks the survival of the channel and records the last survival time. If the rebound signal is not received beyond a timeout period (a timeout period 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 if a re-point communication is required, it is necessary to start from the first phase of the communication process.
The present embodiment communication address: in a communication system, each communication point needs to have a certain rule and a unique communication address, so that point-to-point information exchange can be performed in the communication system.
The communication process of the embodiment comprises the following steps: the 3 phases of the communication procedure are defined in detail in 7 steps, which enables not only to establish point-to-point channels in the communication system, but also to identify inactive channels, which are cleaned up against communication congestion.
The technical basis of the embodiment is as follows: the communication method ingeniously 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 be just used as the basis of communication.
Example 3
The embodiment provides a system for realizing multi-window point-to-point communication based on a browser local storage, which is characterized by 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 steps of the method for realizing multi-window point-to-point communication based on the browser local storage.
In summary, the present invention requires a certain rule and a unique communication address for each communication point in a communication system, so as to implement point-to-point information exchange in the communication system. The invention not only can establish the point-to-point channel in the communication system, but also can identify the inactivated channel and clear the inactivated channel to avoid communication blockage. The communication method ingeniously utilizes the broadcasting event of local storage change, and the event has the characteristic that the data change party cannot receive the event, can be just used as a communication basis, and has strong practicability.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A method for implementing multi-window point-to-point communication based on browser local storage, comprising the steps of:
after the initialization is completed, the feedback target group and the sender establish a channel relation through the hand waving indication signal and the handshake signal, and the sender sends the hand pulling signal;
after the sender sends entity data to determine that the channel survives, periodically initiating a jump signal and recording the final survival time;
periodically maintaining the channel relation to ensure that the state of the channel is always up to date, tracking the survival channel, removing the inactivation channel and completing the communication;
the method further comprises the steps of: defining a communication point consisting of C, M parts; wherein, C represents application codes and are uniformly distributed by a communication system; m represents an application serial number, which is generated by the application itself;
defining a communication address 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 an AppCode of the sender; na is the AppNo of the sender; cb is AppCode of the feedback party; nb is the answer side's app no, and when the answer side's app no is unknown, english "×" is used instead;
the communication address is used for storing key use, and signals and data in the communication process are used for storing value use; the communication address is used as a storage key, english colon is used for separation, signals and data in the communication process are used as storage values, and JSON format or other resolvable text data formats are used;
before a point-to-point communication channel is not established, a sender and a sender send back a message target group to initiate a waving signal, the message target group receives the waving signal and returns a sending handshake signal to the sender, the sender sequentially selects the handshake signals and establishes a channel relation with the handshake signals after receiving a plurality of handshake signals of the message target group, and simultaneously sends a hand-pulling signal to the sender with the established channel relation, the sender establishes the channel relation with the sender after receiving the hand-pulling signal, and the point-to-point communication channel is established up to the point, and carries out subsequent data transmission and channel maintenance;
the sender sends entity data according to the established point-to-point channel, the sender marks the survival of the channel after receiving the data, records the last survival time and sends a receipt signal;
the sender periodically initiates a jump signal, the sender returns the jump signal after receiving the jump signal, and the sender marks the survival of the channel and records the final survival time;
after receiving the rebound signal, the sender marks the survival of the channel, records the last survival time, and marks the deactivation of the channel if the rebound signal is not received after the timeout period.
2. A method for implementing multi-window peer-to-peer communication based on a browser local storage according to claim 1, wherein the deactivated channels are no longer used for peer-to-peer communication and the communication process is restarted if peer-to-peer communication is required.
3. The method for realizing multi-window point-to-point communication based on the browser local storage according to claim 1, wherein in the method, the C consists of non-repeated numbers, letters and short transverse lines, and the length is less than or equal to 64 bits;
the M consists of a number, a letter and a short transverse line, is unique in the same application system, and has the length of less than or equal to 64 bits.
4. A system for implementing multi-window point-to-point communication based on browser local storage, comprising a processor and a memory storing execution instructions that, when executed by the processor, perform the method of claim 1.
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