CN105025183A - Method achieving dialing connection and information processing storage through dynamic switching of wireless network card - Google Patents
Method achieving dialing connection and information processing storage through dynamic switching of wireless network card Download PDFInfo
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- CN105025183A CN105025183A CN201510398102.8A CN201510398102A CN105025183A CN 105025183 A CN105025183 A CN 105025183A CN 201510398102 A CN201510398102 A CN 201510398102A CN 105025183 A CN105025183 A CN 105025183A
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- 238000004891 communication Methods 0.000 claims abstract description 81
- 238000013507 mapping Methods 0.000 claims description 26
- 238000003780 insertion Methods 0.000 claims description 7
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Abstract
The invention discloses a method achieving dialing connection and information processing storage through dynamic switching of a wireless network card. All the communication channels generated by a wireless network card are found by utilization of a serial number of the wireless network card, dialing is carried out by utilization of all the communication channels in order until dialing is successful or dialing of all the communication channels is carried out but not successful. Thus a user inputs a simple command containing a serial number of a wireless network card, and switching of a plurality of wireless network cards can be achieved. The method is convenient and fast, saves time and has high switching effects.
Description
Technical field
The invention belongs to the communications field, more specifically relate to the method that switching at runtime wireless network card realizes dial-up connection and information processing storage thereof.
Background technology
Wireless network card, such as wireless 3G network interface card, its shape is similar with phonecard, can support online, not support to make a phone call.Linux (the class Unix operating system of a set of free use and Free propagation) kernel-driven USB-3G network card equipment (comprises USB socket and 3G network interface card, namely 3G network interface card inserts in USB socket the equipment realizing communicating with operating system or the connection for the treatment of facility that (SuSE) Linux OS is housed), (external equipment used in all linux systems in this catalogue, will be contained in/dev catalogue after USB-3G network card equipment is driven, the port of these external equipments of access can be regarded as, dev is the english abbreviation of device) under generate ttyUSB equipment (USB turn serial ports, that USB-3G network interface card is for accepting the character device of extraneous communication, reception and transmit port can be regarded as, or can communication channel be regarded as), a USB-3G network interface card can generate multiple ttyUSB equipment, but only have a ttyUSB equipment can with outbound communication, so need to carry out the exploratory dialing that circulates, and detection dialing result, the connection communication with outer net could be realized.
When inserting multiple USB-3G network interface card, under User space, multiple USB-3G network interface card switching uses very complicated, if especially user is to these uncomprehending words, may consume the very long volume time, the switching that even can not realize multiple USB-3G network interface card uses.
Summary of the invention
The technical problem to be solved in the present invention is how under (SuSE) Linux OS environment, reduces multiple wireless network card and switches the complexity used, improve the efficiency that multiple wireless network card switches.
In order to solve the problems of the technologies described above, the invention provides a kind of method that switching at runtime wireless network card realizes dial-up connection, said method comprising the steps of:
Message processing after configuration linux kernel supports wireless network card to drive and wireless network card dials;
Often insert a wireless network card then to be preserved by the facility information of the wireless network card of current insertion, wherein said facility information comprises the mapping relations and the numbering of current wireless network interface card and the mapping relations of the multiple communication channel of its generation that USB socket corresponding to current wireless network interface card is numbered, USB socket is numbered and current wireless network interface card is numbered; Serial number is carried out to the multiple described communication channel generated described in wireless network card;
Perform wireless network card under User space to switch, the instruction of the USB socket numbering that the wireless network card that what user issued comprise will be switched to is corresponding, the numbering that the mapping relations utilizing USB socket numbering and wireless network card to number find wireless network card is numbered according to described USB socket, according to the numbering instruction of wireless network card, extract the numbering of the communication channel of the wireless network card generation that will be switched to, dial according to the numbering order from small to large of communication channel, often perform one-stage dialing and detect whether dial-up success, if success, returns, unsuccessful, proceed dialing, continue circulation, until the maximum of the numbering of communication channel,
If an existing wireless network card establishes connection, when carrying out the connection of other wireless network cards, first disconnect the connection of having set up, and then the instruction of USB socket numbering corresponding to the wireless network card that will be switched to comprising of issuing
The invention also discloses the information processing storage means that a kind of switching at runtime wireless network card realizes dial-up connection, said method comprising the steps of:
S1, the wireless network card for the treatment of facility is inserted for each, generate the unique numbering corresponding with it;
S2, the wireless network card for the treatment of facility is inserted for each, obtains the numbering of the USB socket corresponding with it, and set up the mapping relations one by one that it numbers the numbering of the described USB socket corresponding with it, and store; Wherein, each inserts the wireless network card for the treatment of facility all by a USB socket insertion treatment facility;
Multiple communication channels that S3, the wireless network card inserting treatment facility for each generate, are numbered;
S4, the wireless network card for the treatment of facility is inserted for each, set up the mapping relations of the numbering of its numbering described multiple communication channel corresponding with it, and store.
Preferably, described method is further comprising the steps of:
S5, the wireless network card for the treatment of facility is inserted for each, obtain its type, set up the mapping relations one by one of its type and its numbering, and store.
Switching at runtime wireless network card realizes a method for dial-up connection, said method comprising the steps of:
S1, detection are connected to the number of wireless network card on treatment facility, and obtain the numbering of each described wireless network card;
S2, obtain the numbering of wireless network card that will switch to, and judge that whether the numbering of the wireless network card that will switch to is one in the numbering obtained in described step S1, if carry out step S3;
S3, numbering according to the wireless network card that will switch to, find the multiple communication channels generated by the wireless network card that will switch to; Wherein each described wireless network card all generates multiple described communication channel;
S4, described multiple communication channel is utilized to dial successively, until dial-up success or described multiple communication channel all dial.
Preferably, after described step S3, further comprising the steps of before described step S4:
Judge the wireless network card whether having dial-up success to establish a communications link in the described wireless network card be connected with described treatment facility, if have, first the connection of wireless network card that establishes a communications link of dial-up success described in disconnecting, then perform described step S4, otherwise the direct described step S4 of execution.
Preferably, after described step S2, further comprising the steps of before described step S3:
Obtain the network interface card type that will switch to;
According to the numbering of the wireless network card that will switch to, find the type of the wireless network card that will switch to, judge that whether the type of the wireless network card that will switch to is identical with the described network interface card type that will switch to, if then perform described step S3.
Preferably, described step S4 comprises the following steps:
S41, extract the numbering of described multiple communication channel;
S42, for the numbering obtained in described step S41, according to order from big to small, corresponding communication channel is utilized to dial successively, until dial-up success or described multiple communication channel all dial.
Preferably, in described step S1, first the number of described USB socket and the numbering of described USB socket are detected, wherein, the corresponding described wireless network card of USB socket described in each; Determine the number of described wireless network card afterwards according to described USB socket number, determine the numbering of described wireless network card according to the numbering of described USB socket
The invention provides the method that switching at runtime wireless network card realizes dial-up connection and information processing storage thereof, all communication channels that the present invention utilizes the numbering of wireless network card to find it to generate, utilize all communication channels to carry out dialling until dial-up success or all communication channels have all carried out dialling but not success successively.As long as this method user inputs the switching that the simple order comprising the numbering of wireless network card just can realize between multiple wireless network card, convenient and swift, consuming time less, to switch effect high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart that switching at runtime wireless network card of the present invention realizes the information processing storage means of dial-up connection;
Fig. 2 is the flow chart that switching at runtime wireless network card of the present invention realizes the method for dial-up connection.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
The invention discloses a kind of method that switching at runtime wireless network card realizes dial-up connection, said method comprising the steps of:
Message processing after configuration linux kernel supports wireless network card to drive and wireless network card dials;
Often insert a wireless network card then to be preserved by the facility information of the wireless network card of current insertion, wherein said facility information comprises the mapping relations and the numbering of current wireless network interface card and the mapping relations of the multiple communication channel of its generation that USB socket corresponding to current wireless network interface card is numbered, USB socket is numbered and current wireless network interface card is numbered; Serial number is carried out to the multiple described communication channel generated described in wireless network card;
Perform wireless network card under User space to switch, the instruction of the USB socket numbering that the wireless network card that what user issued comprise will be switched to is corresponding, the numbering that the mapping relations utilizing USB socket numbering and wireless network card to number find wireless network card is numbered according to described USB socket, according to the numbering instruction of wireless network card, extract the numbering of the communication channel of the wireless network card generation that will be switched to, dial according to the numbering order from small to large of communication channel, often perform one-stage dialing and detect whether dial-up success, if success, returns, unsuccessful, proceed dialing, continue circulation, until the maximum of the numbering of communication channel,
If an existing wireless network card establishes connection, when carrying out the connection of other wireless network cards, first disconnect the connection of having set up, and then the instruction of USB socket numbering corresponding to the wireless network card that will be switched to comprising of issuing.
Fig. 1 is the flow chart that switching at runtime wireless network card of the present invention realizes the information processing storage means of dial-up connection, comprises the following steps:
S1, for each insert treatment facility (treatment facility of (SuSE) Linux OS is housed) wireless network card, generate the unique numbering corresponding with it;
S2, the wireless network card for the treatment of facility is inserted for each, obtains the numbering of the USB socket corresponding with it, and set up the mapping relations one by one that it numbers the numbering of the described USB socket corresponding with it; Wherein, each inserts the wireless network card for the treatment of facility all by a USB socket insertion treatment facility;
Multiple communication channels that S3, the wireless network card inserting treatment facility for each generate, are numbered;
S4, the wireless network card for the treatment of facility is inserted for each, set up the mapping relations of the numbering of its numbering described multiple communication channel corresponding with it, and store.These mapping relations are the mapping relations of one-to-many.
Said method wireless network card inserts treatment facility by USB socket, and wireless network card of the present invention refers to but is not limited to wireless 3G network interface card, i.e. USB-3G network interface card.The number of the different communication channel (ttyUSB equipment) that it generates of type of 3G network interface card is just different.
Further, said method is further comprising the steps of:
S5, the wireless network card for the treatment of facility is inserted for each, obtain its type, set up the mapping relations one by one of its type and its numbering, and store.
Utilize said method to establish USB socket and number the mapping relations of numbering with wireless network card, the numbering of wireless network card and the type of wireless network card and its generate the mapping relations of multiple communication channel, utilize USB socket to number the numbering that can find wireless network card, utilize the numbering of wireless network card can find the corresponding type of wireless network card and multiple communication channels of correspondence.
The invention also discloses a kind of method that switching at runtime wireless network card realizes dial-up connection, specifically comprise the following steps:
S1, detection are connected to the number of wireless network card on treatment facility, and obtain the numbering of each described wireless network card; The wireless network card number utilizing USB socket numbering and number to find in this step and the numbering of wireless network card;
S2, obtain the numbering of wireless network card that will switch to, and judge that whether the numbering of the wireless network card that will switch to is one in the numbering obtained in described step S1, if carry out step S3;
In this step, the numbering of the wireless network card that switch to is inputted by user; If the numbering of user's input is mistake or is not the wireless network card be connected with treatment facility, then return information and terminate this dial-up connection operation;
S3, numbering according to the wireless network card that will switch to, find the multiple communication channels generated by the wireless network card that will switch to; Wherein each described wireless network card all generates multiple described communication channel;
This step utilizes wireless network card to number and obtains with the mapping relations of the communication channel of its generation;
S4, described multiple communication channel is utilized to dial successively, until dial-up success or described multiple communication channel all dial.In this step, because for the USB socket of different model, the communication channel that connected wireless network card can carry out communicating can be different, and the wireless network card be connected with a USB socket has at one time and a communication channel can only be had to communicate, therefore need to utilize each communication channel to dial successively, until dial-up success or described multiple communication channel have all carried out dialling but not having dial-up success, generally all can dial-up success, except when 3G network covers bad, dial-up connection may be failed, connect unsuccessful.
Further, after described step S3, further comprising the steps of before described step S4:
Judge the wireless network card whether having dial-up success to establish a communications link in the described wireless network card be connected with described treatment facility, if have, first the connection of wireless network card that establishes a communications link of dial-up success described in disconnecting, then perform described step S4, otherwise the direct described step S4 of execution.In this step, if a wireless network card successfully establishes connection, then can by the flag bit set of correspondence (equaling 1 as being set to), otherwise flag bit resets (equaling 0 as being set to), therefore judge whether dial-up success time, only need inquire about flag bit.
Further, after described step S2, further comprising the steps of before described step S3:
Obtain the network interface card type that will switch to, this signal is inputted by user;
According to the numbering of the wireless network card that will switch to, find the type of the wireless network card that will switch to, judge that whether the type of the wireless network card that will switch to is identical with the described network interface card type that will switch to, if then perform described step S3.
Further, described step S4 comprises the following steps:
S41, extract the numbering of described multiple communication channel; The mapping relations that this step utilizes wireless network card to number the numbering of the described multiple communication channel corresponding with it obtain;
S42, for the numbering obtained in described step S41, according to order from big to small, corresponding communication channel is utilized to dial successively, until dial-up success or described multiple communication channel all dial.
The communication channel generated for the wireless network khaki of a given type is fixing, therefore can determine the sum of the communication channel that all wireless network cards generate according to the type of wireless network card and quantity, and described signal of communication number can unified organizational system.As No. 1 wireless network card communication channel be numbered 0-2, the communication channel of No. 2 wireless network cards be numbered 3-5, the communication channel of No. 3 wireless network cards be numbered 6-8.When now information stores, can the initial value of a store communication channel and stop value for a wireless network card, when utilizing communication channel to carry out exploratory dialing, a for can be set up and circulate and carry out realization operation.
Be described for USB-3G network interface card:
Configuration linux kernel supports PPP (the i.e. point-to-point protocol Point to Point Protocol after USB-3G trawl performance and the dialing of USB-3G network interface card, a kind of agreement) Message processing, above-mentioned point-to-point protocol is used for processing the communication information after dial-up success.By make menuconfig command configuration kernel setup option, choose the respective option under USB Support and PPP Support;
The executable file of Program Generating USB-3G network interface card dialing needs use of increasing income is compiled according to the hardware structure (x86, mips, arm) of current use;
The type of User space detection 3G network interface card number and each correspondence, plays special thread and carries out poll perception.
Often insert a 3G network interface card then to perform " lsusb > 3G_table " by the 3G network card equipment information of current insertion, (USB socket is numbered in order, the mapping relations that 3G network interface card type and USB socket numbering are numbered with 3G network interface card, the numbering of 3G network interface card and the type of 3G network interface card and its generate the mapping relations of multiple communication channel) spanned file preserves, the facility information of the 3G network interface card preserved also records numbering initial value and the stop value of the ttyUSB that current 3G network interface card generates, and mark is numbered to this 3G, such as: the ttyUSB device number of from left to right specifying USB port corresponding is as follows:
When order issues usb-3g connect 1, according to issuing No. 1 3G network interface card of specifying and needing to connect, then take out ttyUSB numbering initial value and stop value that No. 1 3G network interface card generates, then carry out a for and circulate, terminate to maximum from being minimal to, perform Dial Up script, often perform and once go to detect this ttyUSB whether dial-up success afterwards, if success, return, unsuccessful, the ttyUSB index value in Dial Up script is added 1, continue circulation, until stop value; If No. 1 3G network interface card establishes connection, now want to switch to No. 2 3G network interface cards, first automatically issue one and disconnect a upper order connected, and then issue usb-3g connect 2, according to the numbering issuing the 3G network interface card of specifying, then the ttyUSB numbering initial value that taking-up No. 2 3G network interface cards are corresponding and stop value, perform for circulation, perform from the initial value of No. 2 3G network interface cards, and whether detection dialing is successful, if success just exits dialing, the unsuccessful next one that then continues circulates, until stop value.Identical therewith with the changing method of other 3G network interface cards.
All communication channels that the present invention utilizes the numbering of wireless network card to find it to generate, utilize all communication channels to carry out dialling until dial-up success or all communication channels have all carried out dialling but not success successively.As long as this method user inputs the switching that the simple order comprising the numbering of wireless network card just can realize between multiple wireless network card, convenient and swift, consuming time less, to switch effect high.
Above execution mode is only for illustration of the present invention, but not limitation of the present invention.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, various combination, amendment or equivalent replacement are carried out to technical scheme of the present invention, do not depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (8)
1. switching at runtime wireless network card realizes a method for dial-up connection, it is characterized in that, said method comprising the steps of:
Message processing after configuration linux kernel supports wireless network card to drive and wireless network card dials;
Often insert a wireless network card then to be preserved by the facility information of the wireless network card of current insertion, wherein said facility information comprises the mapping relations and the numbering of current wireless network interface card and the mapping relations of the multiple communication channel of its generation that USB socket corresponding to current wireless network interface card is numbered, USB socket is numbered and current wireless network interface card is numbered; Serial number is carried out to the multiple described communication channel generated described in wireless network card;
Perform wireless network card under User space to switch, the instruction of the USB socket numbering that the wireless network card that what user issued comprise will be switched to is corresponding, the numbering that the mapping relations utilizing USB socket numbering and wireless network card to number find wireless network card is numbered according to described USB socket, according to the numbering instruction of wireless network card, extract the numbering of the communication channel of the wireless network card generation that will be switched to, dial according to the numbering order from small to large of communication channel, often perform one-stage dialing and detect whether dial-up success, if success, returns, unsuccessful, proceed dialing, continue circulation, until the maximum of the numbering of communication channel,
If an existing wireless network card establishes connection, when carrying out the connection of other wireless network cards, first disconnect the connection of having set up, and then the instruction of USB socket numbering corresponding to the wireless network card that will be switched to comprising of issuing.
2. switching at runtime wireless network card realizes an information processing storage means for dial-up connection, it is characterized in that, said method comprising the steps of:
S1, the wireless network card for the treatment of facility is inserted for each, generate the unique numbering corresponding with it;
S2, the wireless network card for the treatment of facility is inserted for each, obtains the numbering of the USB socket corresponding with it, and set up the mapping relations one by one that it numbers the numbering of the described USB socket corresponding with it, and store; Wherein, each inserts the wireless network card for the treatment of facility all by a USB socket insertion treatment facility;
Multiple communication channels that S3, the wireless network card inserting treatment facility for each generate, are numbered;
S4, the wireless network card for the treatment of facility is inserted for each, set up the mapping relations of the numbering of its numbering described multiple communication channel corresponding with it, and store.
3. method according to claim 2, is characterized in that, described method is further comprising the steps of:
S5, the wireless network card for the treatment of facility is inserted for each, obtain its type, set up the mapping relations one by one of its type and its numbering, and store.
4. switching at runtime wireless network card realizes a method for dial-up connection, it is characterized in that, said method comprising the steps of:
S1, detection are connected to the number of wireless network card on treatment facility, and obtain the numbering of each described wireless network card;
S2, obtain the numbering of wireless network card that will switch to, and judge that whether the numbering of the wireless network card that will switch to is one in the numbering obtained in described step S1, if carry out step S3;
S3, numbering according to the wireless network card that will switch to, find the multiple communication channels generated by the wireless network card that will switch to; Wherein each described wireless network card all generates multiple described communication channel;
S4, described multiple communication channel is utilized to dial successively, until dial-up success or described multiple communication channel all dial.
5. method according to claim 4, is characterized in that, after described step S3, further comprising the steps of before described step S4:
Judge the wireless network card whether having dial-up success to establish a communications link in the described wireless network card be connected with described treatment facility, if have, first the connection of wireless network card that establishes a communications link of dial-up success described in disconnecting, then perform described step S4, otherwise the direct described step S4 of execution.
6. method according to claim 4, is characterized in that, after described step S2, further comprising the steps of before described step S3:
Obtain the network interface card type that will switch to;
According to the numbering of the wireless network card that will switch to, find the type of the wireless network card that will switch to, judge that whether the type of the described wireless network card that will switch to is identical with the described network interface card type that will switch to, if then perform described step S3.
7. method according to claim 4, is characterized in that, described step S4 comprises the following steps:
S41, extract the numbering of described multiple communication channel;
S42, for the numbering obtained in described step S41, according to order from big to small, corresponding communication channel is utilized to dial successively, until dial-up success or described multiple communication channel all dial.
8. method according to claim 4, is characterized in that, in described step S1, first detects the number of described USB socket and the numbering of described USB socket, wherein, and the corresponding described wireless network card of USB socket described in each; Determine the number of described wireless network card afterwards according to described USB socket number, determine the numbering of described wireless network card according to the numbering of described USB socket.
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| CN105025183B (en) | 2018-04-13 |
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