CN111178101A - Recording reading method, recording reading device and storage medium - Google Patents
Recording reading method, recording reading device and storage medium Download PDFInfo
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- CN111178101A CN111178101A CN201911410585.3A CN201911410585A CN111178101A CN 111178101 A CN111178101 A CN 111178101A CN 201911410585 A CN201911410585 A CN 201911410585A CN 111178101 A CN111178101 A CN 111178101A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/04—Methods or arrangements for sensing record carriers, e.g. for reading patterns by mechanical means, e.g. by pins operating electric contacts
- G06K7/042—Methods or arrangements for sensing record carriers, e.g. for reading patterns by mechanical means, e.g. by pins operating electric contacts controlling electric circuits
- G06K7/045—Methods or arrangements for sensing record carriers, e.g. for reading patterns by mechanical means, e.g. by pins operating electric contacts controlling electric circuits whereby the entire datafield of the record carriers is simultaneously sensed
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Abstract
The present disclosure relates to the field of terminal technologies, and in particular, to a method and an apparatus for reading a record, and a storage medium. The method comprises the following steps: the user equipment sends a record reading instruction, wherein the record reading instruction is used for indicating the SIM card to return at least two records; reading at least two of the records returned. The method for reading records in batch, namely the method for reading at least two records in the SIM card through one record reading instruction, accelerates the card reading speed of the user equipment, thereby improving the reading efficiency of the records in the SIM card.
Description
Technical Field
The present disclosure relates to the field of terminal technologies, and in particular, to a method and an apparatus for reading a record, and a storage medium.
Background
Currently, Subscriber Identity Module (SIM) cards of User Equipment (UE) can store 300 to 500 phone number books in common, and SIM cards capable of storing 1000 phone number books in the market have also appeared quietly. The large-capacity telephone directory brings convenience to people and also provides challenges to the card reading speed of user equipment.
In the related art, each time the user equipment reads one record in the SIM card, the user equipment needs to send an instruction and then wait for the SIM card to return the record. How to accelerate the card reading speed and shorten the reading time of the record of the telephone number book in the SIM card does not provide a reasonable and effective technical scheme at present.
Disclosure of Invention
In view of the above, the present disclosure provides a method and an apparatus for reading a record, and a storage medium. The technical scheme is as follows:
according to an aspect of the present disclosure, there is provided a method for reading a record, for use in a user equipment connected to a SIM card, the method including:
sending a record reading instruction, wherein the record reading instruction is used for indicating the SIM card to return at least two records;
reading at least two of the records returned.
In a possible implementation manner, the record reading instruction is further used for instructing the SIM card to read at least two records from a starting recording position, and a total data length of the at least two records is a specified total data length.
In another possible implementation manner, the record reading instruction includes a first indication parameter, a second indication parameter having a preset value, and a third indication parameter;
wherein, the value of the first indication parameter is used for indicating the starting record position to be read; the second indication parameter is used for indicating a current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indication parameter is the specified total data length to be read.
In another possible implementation manner, the method further includes:
sending a selection instruction, wherein the selection instruction is used for indicating a target record file in the SIM card;
receiving a returned file control parameter of the target record file, wherein the file control parameter comprises the data length of a single record in the SIM card;
determining the number of target records read in a single batch according to the specified total data length and the data length of the single record;
the reading of the returned at least two of the records includes:
reading the record of the returned target record number.
In another possible implementation manner, the file control parameter further includes a total number of records included in the SIM card,
the sending record reading instruction comprises the following steps:
when the total number of records is greater than or equal to the target number of records, sending the record reading instruction;
and when the total number of records is less than the target number of records, modifying the specified total data length into the product of the total number of records and the data length of the single record, and sending the record reading instruction.
In another possible implementation manner, after the reading the records of the returned target number of records, the method further includes:
determining the number of unread records in the total number of records, wherein the number of unread records is the number of records which are not read in the SIM card;
when the number of the unread records is greater than or equal to the number of the target records, continuing to execute the step of sending a record reading instruction;
when the number of the unread records is smaller than the target number of the records and is not zero, modifying the specified total data length into the product of the number of the unread records and the data length of the single record, and continuing to execute the step of sending a record reading instruction;
and when the number of the unread recording strips is zero, ending the process.
According to another aspect of the present disclosure, there is provided a method for reading a record, for use in a SIM card connected to a user equipment, the method including:
receiving a record reading instruction, wherein the record reading instruction is used for indicating the SIM card to return at least two records;
and returning the at least two records according to the record reading instruction.
In a possible implementation manner, the record reading instruction is further used for instructing the SIM card to read at least two records from a starting recording position, and a total data length of the at least two records is a specified total data length.
In another possible implementation manner, the record reading instruction includes a first indication parameter, a second indication parameter having a preset value, and a third indication parameter;
wherein, the value of the first indication parameter is used for indicating the starting record position to be read; the second indication parameter is used for indicating a current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indication parameter is the specified total data length to be read.
In another possible implementation manner, the method further includes:
receiving a selection instruction, wherein the selection instruction is used for indicating a target record file in the SIM card;
according to the selection instruction, returning the file control parameters of the target record file, wherein the file control parameters comprise the data length of a single record in the SIM card;
determining the number of target records read in a single batch according to the specified total data length and the data length of the single record;
the returning the at least two records according to the record reading instruction includes:
and returning the records of the target record number according to the record reading instruction.
According to another aspect of the present disclosure, there is provided a recording reading apparatus for use in a user equipment connected to a SIM card, the apparatus including:
the sending module is used for sending a record reading instruction, and the record reading instruction is used for indicating the SIM card to return at least two records;
and the reading module is used for reading the returned at least two records.
In a possible implementation manner, the record reading instruction is further used for instructing the SIM card to read at least two records from a starting recording position, and a total data length of the at least two records is a specified total data length.
In another possible implementation manner, the record reading instruction includes a first indication parameter, a second indication parameter having a preset value, and a third indication parameter;
wherein, the value of the first indication parameter is used for indicating the starting record position to be read; the second indication parameter is used for indicating a current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indication parameter is the specified total data length to be read.
In another possible implementation manner, the apparatus further includes:
the sending module is further configured to send a selection instruction, where the selection instruction is used to indicate a target record file in the SIM card;
a receiving module, configured to receive a returned file control parameter of the target record file, where the file control parameter includes a data length of a single record in the SIM card;
the first determining module is used for determining the number of target records read in a single batch according to the specified total data length and the data length of the single record;
the reading module is further configured to read the records of the returned target record number.
In another possible implementation manner, the file control parameter further includes a total number of records included in the SIM card,
the sending module is further configured to:
when the total number of records is greater than or equal to the target number of records, sending the record reading instruction;
and when the total number of records is less than the target number of records, modifying the specified total data length into the product of the total number of records and the data length of the single record, and sending the record reading instruction.
In another possible implementation manner, the second determining module is configured to determine an unread record number in the total record number, where the unread record number is a number of records that have not been read in the SIM card;
the sending module is further configured to continue to execute the step of sending the record reading instruction when the number of unread records is greater than or equal to the number of target records; when the number of the unread records is smaller than the target number of the records and is not zero, modifying the specified total data length into the product of the number of the unread records and the data length of the single record, and continuing to execute the step of sending a record reading instruction; and when the number of the unread recording strips is zero, ending the process.
According to another aspect of the present disclosure, there is provided a recording reading apparatus for use in a SIM card connected to a user equipment, the apparatus including:
the receiving module is used for receiving a record reading instruction, and the record reading instruction is used for indicating the SIM card to return at least two records;
and the returning module is used for returning the at least two records according to the record reading instruction.
In a possible implementation manner, the record reading instruction is further used for instructing the SIM card to read at least two records from a starting recording position, and a total data length of the at least two records is a specified total data length.
In another possible implementation manner, the record reading instruction includes a first indication parameter, a second indication parameter having a preset value, and a third indication parameter;
wherein, the value of the first indication parameter is used for indicating the starting record position to be read; the second indication parameter is used for indicating a current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indication parameter is the specified total data length to be read.
In another possible implementation manner, the apparatus further includes:
the receiving module is further configured to receive a selection instruction, where the selection instruction is used to indicate a target record file in the SIM card;
the return module is further configured to return a file control parameter of the target record file according to the selection instruction, where the file control parameter includes a data length of a single record in the SIM card;
the determining module is used for determining the number of target records read in a single batch according to the specified total data length and the data length of the single record;
the return module is further configured to return the records of the target number of records according to the record reading instruction.
According to another aspect of the present disclosure, there is provided a user equipment connected with a SIM card, the user equipment including: a processor; a memory for storing processor-executable instructions;
wherein the processor is configured to implement the method performed by the user equipment described above.
According to another aspect of the present disclosure, there is provided a SIM card connected to a user equipment, the SIM card including: a processor; a memory for storing processor-executable instructions;
wherein the processor is configured to implement the above-described method performed by a SIM card.
According to another aspect of the present disclosure, there is provided a non-transitory computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the above-described method.
The method comprises the steps that a record reading instruction is sent by user equipment, and the record reading instruction is used for indicating the SIM card to return at least two records; reading the returned at least two records; the condition that one instruction needs to be sent when one record is read in the related technology is avoided, multiple records can be read through one record reading instruction, namely the records are read in batch, the card reading speed of the user equipment is increased, and the reading efficiency of the records in the SIM card is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
FIG. 1 shows a schematic diagram of a reading system to which embodiments of the present disclosure relate;
FIG. 2 illustrates a flow chart of a method for reading a record provided by an exemplary embodiment of the present disclosure;
fig. 3 shows a flowchart of a method for reading a record provided by another exemplary embodiment of the present disclosure;
fig. 4 shows a flowchart of a method for reading a record provided by another exemplary embodiment of the present disclosure;
fig. 5 shows a flowchart of a method for reading a record provided by another exemplary embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a device for reading a record according to an exemplary embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a device for reading a record according to another exemplary embodiment of the present disclosure;
fig. 8 shows a schematic structural diagram of a user equipment provided in an exemplary embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
First, some terms related to the embodiments of the present disclosure are described.
SIM card: including a Universal Subscriber Identity Module (USIM) card. For convenience of description, the term USIM card or SIM card is referred to below only as a SIM card.
Recording: including file records in the SIM card. It should be noted that the basic files (ElementaryFile, EF) in the SIM card include three types of files, namely, a Transparent file (english: Transparent EF), a Linear fixed-length EF (english: Linear fixed EF), and a Cyclic EF (english: Cyclic EF), and the record in the embodiment of the present disclosure includes the Linear fixed-length EF or the Cyclic EF.
Optionally, the records include file records corresponding to a plurality of telephone directory books in the SIM card. For example, when a file record is recorded as a telephone directory, the record includes information such as a telephone number and a corresponding contact name. This embodiment is not limited thereto.
In the related art, each time the user equipment reads one record in the SIM card, the user equipment needs to send an instruction and then wait for the SIM card to return the record. If 1000 telephone directory file records are available in the SIM card, 1000 instructions need to be sent. By combining the processing speed of the current mobile phone chip and the speed of the SIM card, the reading time of the 1000 telephone directory is longer, and the reading efficiency is lower.
According to the specification, the maximum amount of data transferred between the SIM card and the user equipment is 256 bytes, and most records in the current SIM card are less than 256 bytes in size, so that it is possible to transmit multiple records in one SIM card response data. Therefore, the embodiment of the disclosure provides a method and a device for reading records and a storage medium. The embodiment of the disclosure accelerates the card reading speed of the user equipment by a method of reading records in batch, that is, by a method of reading at least two records in the SIM card by one record reading instruction, thereby improving the reading efficiency of records in the SIM card.
Before explaining the embodiments of the present disclosure, an application scenario of the embodiments of the present disclosure is explained. Referring to fig. 1, a schematic diagram of a reading system according to an embodiment of the disclosure is shown. The reading system comprises a user device 12 and a SIM card 14.
The user equipment 12 is connected to a SIM card 14. The user equipment 12 has a SIM card 14 built therein.
The user equipment 12 is an electronic device having a communication function. For example, the user device 12 is a cellular phone.
Optionally, the user equipment 12 is a multi-card device, that is, at least two SIM cards are built in the user equipment 12. For convenience of description, the user equipment 12 will be described by taking an example of reading a record in one of the SIM cards. The embodiments of the present disclosure do not limit this.
At least two records are stored in the SIM card 14. Optionally, the SIM card 14 stores file records of at least two phone number books.
In the following, several exemplary embodiments are used to describe the method for reading the record provided by the present disclosure.
Referring to fig. 2, a flowchart of a method for reading a record according to an exemplary embodiment of the present disclosure is shown, which is illustrated in the embodiment of using the method in the reading system shown in fig. 1. The method comprises the following steps.
Step 201, the user equipment sends a record reading instruction, where the record reading instruction is used to instruct the SIM card to return at least two records.
And the user equipment sends a record reading instruction to the SIM card, wherein the record reading instruction is used for indicating the SIM card to return at least two records.
Optionally, the SIM card is a SIM card connected to the user equipment, or the SIM card is one of at least two SIM cards connected to the user equipment.
Optionally, the record is a file record of a telephone directory in the SIM card.
In step 202, the SIM card receives a record reading instruction.
Correspondingly, the SIM card receives the record reading instruction sent by the user equipment. Wherein the record reading instruction is used for indicating the SIM card to return at least two records
And step 203, the SIM card returns at least two records according to the record reading instruction.
And the SIM card acquires the at least two stored records according to the record reading instruction and returns the at least two records to the user equipment.
Optionally, the SIM card stores a plurality of records, that is, the SIM card stores a plurality of file records of the telephone directory.
At step 204, the user equipment reads the at least two returned records.
Correspondingly, the user equipment reads at least two records returned by the SIM card.
To sum up, the embodiment of the present disclosure sends a record reading instruction through a user equipment, where the record reading instruction is used to instruct the SIM card to return at least two records; reading the returned at least two records; the method and the device avoid the condition that one instruction needs to be sent when one record is read in the related technology, realize that a plurality of records can be read through one record reading instruction, namely, the records are read in batch, reduce the interaction flow between the user equipment and the SIM card, accelerate the card reading speed of the user equipment and improve the reading efficiency of the records in the SIM card.
Referring to fig. 3, a flowchart of a method for reading a record according to another exemplary embodiment of the present disclosure is shown, which is illustrated in the embodiment of the present disclosure when the method is used in the reading system shown in fig. 1. The method comprises the following steps.
Step 301, the user equipment sends a record reading instruction, where the record reading instruction is used to instruct the SIM card to read at least two records from the initial recording position, and the total data length of the at least two records is a specified total data length.
The record reading instruction carries a specified total data length, and the specified total data length is the total data length of single transmission between the pre-specified user equipment and the SIM card. Illustratively, the total data length is specified to be in a range of 1 to 255, i.e., the maximum data length of a single transmission is 255.
Optionally, the record reading instruction includes a first indication parameter, a second indication parameter having a preset value, and a third indication parameter. The numerical value of the first indicating parameter is used for indicating the initial recording position to be read; the second indication parameter is used for indicating the current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indicative parameter is a specified total data length to be read.
The SIM card comprises a plurality of records, and the records are arranged in sequence. The numerical value of the first indication parameter is used for indicating a starting record position to be read, the starting record position to be read is the starting record to be read, namely the position of the first record in the SIM card, and the starting record position to be read is the position of the starting record to be read in a plurality of records in the SIM card in the reading process.
For example, the first indication parameter is P1, and when the value of P1 is i, it is used to indicate that the start record to be read is the ith record in the SIM card, where i is a positive integer.
The value of the second indicating parameter comprises a plurality of values, and when the value of the second indicating parameter is a preset value, the value is used for indicating that the current record reading mode is a batch reading mode. For example, the second indication parameter is P2, and the preset value is 1.
The interface specification between the user equipment and the SIM card is ETSI TS 102221. In order to inform the SIM card that the user equipment needs to perform batch reading, the definition of the second indication parameter is added in ETSI TS 102221, 11.1.5.2 section. Taking the first indicating parameter as P1 and the second indicating parameter as P2, and specifying the total data length as Le, the definition of P2 can be as shown in table one.
Watch 1
The third indication parameter is a specified total data length to be read. For example, the total data length is specified as Le.
Correspondingly, the SIM card receives a record reading instruction sent by the user equipment, the record reading instruction is used for instructing the SIM card to read at least two records from the initial record position, and the total data length of the at least two records is the specified total data length.
Optionally, the record reading instruction carries a specified total data length.
Optionally, the record reading instruction includes a first indication parameter, a second indication parameter having a preset value, and a third indication parameter. The numerical value of the first indicating parameter is used for indicating the initial recording position to be read; the second indication parameter is used for indicating the current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indicative parameter is a specified total data length to be read.
Step 303, the SIM card returns at least two records with the total data length being the specified total data length according to the record reading instruction.
Optionally, the SIM card obtains a first indication parameter, a second indication parameter with a preset value, and a third indication parameter in the record reading instruction. And the SIM card reads at least two records from the initial recording position indicated by the first indication parameter according to the record reading instruction, and returns the at least two records to the user equipment, wherein the total data length of the at least two records is the specified total data length.
At step 304, the user device reads the at least two records returned.
Correspondingly, the user equipment reads the returned at least two records, and the total data length of the at least two records is the specified total data length.
To sum up, the embodiment of the present disclosure further uses the record reading instruction to further instruct the SIM card to read at least two records from the initial record position, where the total data length of the at least two records is the specified total data length, so as to control the SIM card to return at least two records whose total data length is the specified total data length, thereby further ensuring the rationality and validity of interaction between the user equipment and the SIM card during the record reading process.
Referring to fig. 4, a flowchart of a method for reading a record according to another exemplary embodiment of the present disclosure is shown, which is illustrated in the embodiment of the present disclosure when the method is used in the reading system shown in fig. 1. The method comprises the following steps.
Step 401, the user equipment sends a selection instruction, where the selection instruction is used to indicate a target record file in the SIM card.
The user equipment sends a selection instruction to the SIM card. Correspondingly, the SIM card receives the selection instruction.
The target record file is a record file in the SIM card. For example, the target recording file is a recording of an Elementary File Abbrevated Dialing Numbers (EFADN) file. This embodiment is not limited thereto.
And step 402, the SIM card returns the file control parameters of the target record file according to the selection instruction, wherein the file control parameters comprise the data length of a single record in the SIM card.
Wherein, the File Control Parameters (FCP) are used to instruct the user device to determine the target number of record in a single batch reading.
And the SIM card acquires the file control parameter of the target record file according to the selection instruction and returns the file control parameter of the target record file to the user equipment. Correspondingly, the user equipment receives the file control parameters of the returned target record file. Wherein the file control parameter comprises a data length of a single record in the SIM card.
Optionally, the file control parameter further includes a total number of records included in the SIM card.
In step 403, the user equipment determines the number of target records read in batch at a time according to the specified total data length and the data length of a single record.
Optionally, after receiving the returned file control parameter of the target record file, the user equipment analyzes the file control parameter of the target record file to obtain the data length of a single record and the total number of records in the SIM card. And the user equipment determines the number of target records read in a single batch according to the specified total data length and the data length of the single record.
Wherein, the specified total data length is the total data length of single transmission between the user equipment and the SIM card which are specified in advance. The data length of each record in the SIM card is the same.
Illustratively, the user device calculates a quotient of the specified total data length and the data length of a single record, and determines a maximum integer less than or equal to the quotient as the target number of records for a single batch read. For example, if the total data length is 255 bytes and the data length of a single record in the SIM card is L bytes, the number of target records read in a single batch is k, and k is the maximum integer less than or equal to 255/L.
In step 404, the user equipment sends a record reading instruction, where the record reading instruction includes a first indication parameter, a second indication parameter with a preset value, and a third indication parameter.
Optionally, when the total number of records is greater than or equal to the target number of records, the user equipment sends a record reading instruction to the SIM card.
The recording and reading instruction comprises a first indication parameter, a second indication parameter with a preset value and a third indication parameter. For the related description of the first indication parameter, the second indication parameter and the third indication parameter, reference may be made to the related details in the foregoing embodiments, and details are not repeated here. The first indicating parameter is P1 only; the second indicating parameter is P2, and the preset value is 1; the third indication parameter is Le for explanation.
In a possible implementation manner, when the total number of records is smaller than the target number of records, the user equipment modifies the specified total data length to be the product of the total number of records and the data length of a single record, and sends a record reading instruction. When the total number of records is less than the target number of records, the total number of records is insufficient, the user equipment determines the product of the total number of records and the data length of a single record, modifies the specified total data length into the product, and sends a record reading instruction to the SIM card. At this time, the record read instruction carries the modified specified total data length.
And after the user equipment sends the record reading instruction, updating the value of the first indication parameter. The user equipment updates the value of the first indication parameter, and comprises the following steps: and the user equipment updates the value of the first indication parameter according to the number of the target records.
Illustratively, the user equipment increases the value of the first indication parameter by the target number of records to obtain an updated value of the first indication parameter, which is used as the value of the first indication parameter in the record reading instruction sent next time. For example, the current value of the first indication parameter is 1, the number of the target records is n, and after the user equipment sends the record reading instruction, the value of the first indication parameter is updated to n +1, where n is a positive integer greater than 1.
Step 405, the SIM card returns the records of the target number of records according to the received record reading instruction.
Optionally, the record reading instruction carries a specified total data length, the SIM card obtains the specified total data length in the record reading instruction, and the SIM card determines the number of target records read in batch at a time according to the data length of a single record and the specified total data length, and returns the record of the number of target records to the user equipment.
The recording and reading instruction comprises a first indication parameter, a second indication parameter with a preset value and a third indication parameter. And the SIM card determines the number of target records read in a single batch according to the data length of the single record and the specified total data length indicated by the third indication parameter. And the SIM card reads the record of the stored target record number from the initial record position indicated by the first indication parameter and returns the record of the target record number to the user equipment.
At step 406, the user device reads the returned records for the target number of records.
Correspondingly, the user equipment reads the records of the target record number returned by the SIM card.
Optionally, after the user equipment reads the records of the number of returned target records, the method further includes: determining the number of unread records in the total number of records, wherein the number of unread records is the number of records which are not read in the SIM card; when the number of unread records is greater than or equal to the number of target records, continuing to execute the step of sending a record reading instruction; and when the number of the unread records is less than the target number of the records and is not zero, modifying the specified total data length into the product of the number of the unread records and the data length of a single record, and continuing to execute the step of sending the record reading instruction. When the number of unread record pieces is zero, the process is ended.
Optionally, the user equipment determines whether the number of unread records is greater than or equal to the number of target records, and if the number of unread records is greater than or equal to the number of target records, continues to execute the step of sending the record reading instruction; if the number of unread records is less than the target number of records and is not zero, indicating that the number of records which are not read in the SIM card is insufficient, modifying the specified total data length into the product of the number of unread records and the data length of a single record, and then continuing to execute the step of sending the record reading instruction; this is repeated until the number of unread records is zero, indicating that the user equipment has read all the records in the SIM card.
Optionally, the user equipment modifies the specified total data length to be the product of the number of unread records and the data length of a single record, that is, the user equipment modifies the value of the third indication parameter to be the product of the number of unread records and the data length of a single record.
In one illustrative example, as shown in FIG. 5. In step 501, the user equipment sends a selection instruction to the SIM card to select a target recording file (e.g., recording of an EFADN file). Step 502, the SIM card returns the FCP of the target record file. Step 503, the user equipment parses the FCP of the target record file to obtain the data length L of a single record in the SIM card and the total number of records included in the SIM card, where L is a positive integer. In step 504, the user equipment calculates the number n of target records read in batch in a single time according to the specified total data length 255 and the data length L of a single record in the SIM card, where n is an integer less than or equal to 255/L, and is described below only by taking n equal to 255/L as an example. Step 505, the user equipment sends a record reading instruction to the SIM card, where the record reading instruction includes a first instruction parameter P1, a second instruction parameter P2, and a third instruction parameter Le, and the value of P1 is 1, which indicates that the start record to be read is the 1 st record; the value of the P2 number is 1, which indicates that the current record reading mode is the batch reading mode; le has a value of 255 bytes. In step 506, the SIM card knows that the user equipment needs to read n records in batch according to P1 being 1, P2 being 1, Le being 255 in the record reading instruction, and then returns the first n records, the records are arranged in sequence, the first record of the n records occupies the first L bytes, then the second record, the third record, and so on. And simultaneously, the user equipment points the current record pointer to the (n + 1) th record, namely, the value of P1 is modified to be n + 1. In step 507, the user equipment sends a record reading instruction to the SIM card, where P1 is n +1, P2 is 1, and Le is 255. In step 508, the SIM card knows that the user equipment needs to read n records in batch according to P1 ═ n +1, P2 ═ 1, and Le ═ 255 in the record reading instruction, and then returns to the second batch of n records, and points the current record pointer to the 2n +1 th record. By analogy, the user equipment and the SIM card continuously repeat the reading step described above until step 509 is executed when the number x of unread record pieces in the total number of record pieces is smaller than n and not zero, where x is a positive integer. In step 509, when the number x of unread records is smaller than n and not zero, the ue modifies the value of Le to x × L, and sends a record reading command. Step 510, the SIM card knows that the user equipment needs to read x records that have not been read in the SIM card in batch according to Le ═ x × L in the record reading instruction, then returns to the last batch of x records, where the number of unread records is 0, and the user equipment finishes reading all records in the SIM card, and ends the process.
The following are embodiments of the apparatus of the embodiments of the present disclosure, and for portions of the embodiments of the apparatus not described in detail, reference may be made to technical details disclosed in the above-mentioned method embodiments.
Referring to fig. 6, a schematic structural diagram of a device for reading a record according to an exemplary embodiment of the present disclosure is shown. The means for reading the record can be implemented by software, hardware or a combination of both, as all or part of a user equipment, which is connected to a SIM card. The recording reading apparatus includes: a sending module 610 and a reading module 620.
A sending module 610, configured to send a record reading instruction, where the record reading instruction is used to instruct the SIM card to return at least two records;
and a reading module 620, configured to read the at least two returned records.
In a possible implementation manner, the record reading instruction is further used for instructing the SIM card to read at least two records from the starting recording position, and the total data length of the at least two records is a specified total data length.
In another possible implementation manner, the record reading instruction includes a first indication parameter, a second indication parameter with a preset value, and a third indication parameter;
the numerical value of the first indicating parameter is used for indicating the initial recording position to be read; the second indication parameter is used for indicating the current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indicative parameter is a specified total data length to be read.
In another possible implementation manner, the apparatus further includes:
the sending module 610 is further configured to send a selection instruction, where the selection instruction is used to indicate a target record file in the SIM card;
the receiving module is used for receiving the file control parameters of the returned target record file, and the file control parameters comprise the data length of a single record in the SIM card;
the first determining module is used for determining the number of target records read in batch at a time according to the specified total data length and the data length of a single record;
the reading module 620 is further configured to read the number of returned target records.
In another possible implementation, the file control parameter further includes a total number of records included in the SIM card,
the sending module 610 is further configured to:
when the total number of the records is larger than or equal to the target number of the records, sending a record reading instruction;
and when the total number of records is less than the target number of records, modifying the specified total data length into the product of the total number of records and the data length of a single record, and sending a record reading instruction.
In another possible implementation manner, the second determining module is configured to determine the number of unread records in the total number of records, where the number of unread records is the number of records that have not been read in the SIM card;
the sending module 610 is further configured to continue to execute the step of sending the record reading instruction when the number of unread records is greater than or equal to the number of target records; when the number of the unread records is less than the target number of the records and is not zero, modifying the specified total data length into the product of the number of the unread records and the data length of a single record, and continuing to execute the step of sending a record reading instruction; when the number of unread record pieces is zero, the process is ended.
It should be noted that, when the apparatus provided in the foregoing embodiment implements the functions thereof, only the division of the above functional modules is illustrated, and in practical applications, the above functions may be distributed by different functional modules according to actual needs, that is, the content structure of the device is divided into different functional modules, so as to complete all or part of the functions described above.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Referring to fig. 7, a schematic structural diagram of a device for reading a record according to another exemplary embodiment of the present disclosure is shown. The means for reading the record can be implemented by software, hardware or a combination of both, as all or part of a SIM card connected to the user equipment. The recording reading apparatus includes: a receive module 710 and a return module 720.
A receiving module 710, configured to receive a record reading instruction, where the record reading instruction is used to instruct the SIM card to return at least two records;
and a returning module 720, configured to return at least two records according to the record reading instruction.
In a possible implementation manner, the record reading instruction is further used for instructing the SIM card to read at least two records from the starting recording position, and the total data length of the at least two records is a specified total data length.
In another possible implementation manner, the record reading instruction includes a first indication parameter, a second indication parameter with a preset value, and a third indication parameter;
the numerical value of the first indicating parameter is used for indicating the initial recording position to be read; the second indication parameter is used for indicating the current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indicative parameter is a specified total data length to be read.
In another possible implementation manner, the apparatus further includes:
the receiving module 710 is further configured to receive a selection instruction, where the selection instruction is used to indicate a target record file in the SIM card;
the returning module 720 is further configured to return a file control parameter of the target record file according to the selection instruction, where the file control parameter includes a data length of a single record in the SIM card;
the determining module is used for determining the number of target records read in batch at a time according to the specified total data length and the data length of a single record;
and a returning module 720, further configured to return the records of the target number of records according to the record reading instruction.
It should be noted that, when the apparatus provided in the foregoing embodiment implements the functions thereof, only the division of the above functional modules is illustrated, and in practical applications, the above functions may be distributed by different functional modules according to actual needs, that is, the content structure of the device is divided into different functional modules, so as to complete all or part of the functions described above.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Referring to fig. 8, a schematic structural diagram of a user equipment provided in an exemplary embodiment of the present disclosure is shown, where the user equipment may be the user equipment 12 in the mobile communication system shown in fig. 1. The user equipment includes: a processor 81, a receiver 82, a transmitter 83, a memory 84, and a bus 85. The memory 84 is connected to the processor 81 via a bus 85.
The processor 81 includes one or more processing cores, and the processor 81 executes various functional applications and information processing by executing software programs and modules.
The receiver 82 and the transmitter 83 may be implemented as a communication component, which may be a communication chip, and the communication chip may include a receiving module, a transmitting module, a modulation and demodulation module, and the like, for modulating and/or demodulating information and receiving or transmitting the information through a wireless signal.
The processor 81 is configured to execute the sending module 861 to implement the functions related to the sending step performed by the user equipment in the above-described method embodiments; the processor 81 is configured to execute the reading module 862 to implement the functions related to the reading step performed by the user equipment in the above-described various method embodiments.
Further, the memory 84 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The present disclosure may be systems, methods, and/or computer program products. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied thereon for causing a processor to implement various aspects of the present disclosure.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations of the present disclosure may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, the electronic circuitry that can execute the computer-readable program instructions implements aspects of the present disclosure by utilizing the state information of the computer-readable program instructions to personalize the electronic circuitry, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA).
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (13)
1. A method for reading a record, which is used in a user equipment connected to a subscriber identity module SIM card, the method comprising:
sending a record reading instruction, wherein the record reading instruction is used for indicating the SIM card to return at least two records;
reading at least two of the records returned.
2. The method according to claim 1, wherein the record reading instruction is further used for instructing the SIM card to read at least two records from a starting record position, and the total data length of the at least two records is a specified total data length.
3. The method according to claim 2, wherein the record reading instruction comprises a first indication parameter, a second indication parameter having a preset value, and a third indication parameter;
wherein, the value of the first indication parameter is used for indicating the starting record position to be read; the second indication parameter is used for indicating a current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indication parameter is the specified total data length to be read.
4. The method of claim 2 or 3, further comprising:
sending a selection instruction, wherein the selection instruction is used for indicating a target record file in the SIM card;
receiving a returned file control parameter of the target record file, wherein the file control parameter comprises the data length of a single record in the SIM card;
determining the number of target records read in a single batch according to the specified total data length and the data length of the single record;
the reading of the returned at least two of the records includes:
reading the record of the returned target record number.
5. The method of claim 4, wherein the file control parameters further include a total number of records included in the SIM card,
the sending record reading instruction comprises the following steps:
when the total number of records is greater than or equal to the target number of records, sending the record reading instruction;
and when the total number of records is less than the target number of records, modifying the specified total data length into the product of the total number of records and the data length of the single record, and sending the record reading instruction.
6. The method of claim 5, wherein after said reading said record of said returned number of said target records, further comprising:
determining the number of unread records in the total number of records, wherein the number of unread records is the number of records which are not read in the SIM card;
when the number of the unread records is greater than or equal to the number of the target records, continuing to execute the step of sending a record reading instruction;
when the number of the unread records is smaller than the target number of the records and is not zero, modifying the specified total data length into the product of the number of the unread records and the data length of the single record, and continuing to execute the step of sending a record reading instruction;
and when the number of the unread recording strips is zero, ending the process.
7. A method for reading a record, for use in a SIM card connected to a user equipment, the method comprising:
receiving a record reading instruction, wherein the record reading instruction is used for indicating the SIM card to return at least two records;
and returning the at least two records according to the record reading instruction.
8. The method according to claim 7, wherein the record reading instruction is further used for instructing the SIM card to read at least two records from a starting record position, and the total data length of the at least two records is a specified total data length.
9. The method according to claim 8, wherein the record reading instruction comprises a first indication parameter, a second indication parameter having a preset value, and a third indication parameter;
wherein, the value of the first indication parameter is used for indicating the starting record position to be read; the second indication parameter is used for indicating a current record reading mode, and the preset numerical value is used for indicating that the current record reading mode is a batch reading mode; the value of the third indication parameter is the specified total data length to be read.
10. The method of claim 8 or 9, further comprising:
receiving a selection instruction, wherein the selection instruction is used for indicating a target record file in the SIM card;
according to the selection instruction, returning the file control parameters of the target record file, wherein the file control parameters comprise the data length of a single record in the SIM card;
determining the number of target records read in a single batch according to the specified total data length and the data length of the single record;
the returning the at least two records according to the record reading instruction includes:
and returning the records of the target record number according to the record reading instruction.
11. An apparatus for reading records, for use in a user equipment connected to a SIM card, the apparatus comprising:
the sending module is used for sending a record reading instruction, and the record reading instruction is used for indicating the SIM card to return at least two records;
and the reading module is used for reading the returned at least two records.
12. A record reading apparatus, for use in a SIM card connected to a user equipment, the apparatus comprising:
the receiving module is used for receiving a record reading instruction, and the record reading instruction is used for indicating the SIM card to return at least two records;
and the returning module is used for returning the at least two records according to the record reading instruction.
13. A non-transitory computer readable storage medium having stored thereon computer program instructions, wherein the computer program instructions, when executed by a processor, implement the method of any one of claims 1 to 10.
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