Micro-mainframe link control method and apparatus

Claim 5

A method of controlling a micro device according to claim 2, each of the command sequences in the table further including a command to be executed to extract data from a reception packet, and said method further comprising the steps of receiving a reception packet from the mainframe corresponding to the transmission packet and extracting data from the reception packet in accordance with the command sequence corresponding to the request from the user program.

Claim 6

A method of controlling a micro device according to claim 3, wherein said command to be executed to extract data from a reception packet includes information specifying length by which data is extracted from the reception packet, and said extracting step includes extracting data of the length from the reception packet.

Claim 9

A method of controlling a micro device according to claim 5, each command sequence in the table further including a command to be executed to extract data from a reception packet, said method further comprising the steps of: receiving a reception packet from the mainframe corresponding to the transmission packet; and extracting data from the reception packet in accordance with the command sequence corresponding to the request from the user program.

Claim 10

A micro device to access a file present in a mainframe linked to the micro device, said device comprising: storage means for storing a table in which a plurality of command sequences are stored corresponding respectively to a plurality of kinds of requests, each of the plurality of command sequences including a process for composing and transmitting a transmission packet, each of a plurality of commands included in a command sequence to compose a transmission packet being executed to obtain respective components of a transmission packet; referring means for referring to the table in said storage means in response to a request of file access from a user program executed in the micro device; composition means for composing a transmission packet, said composition means comprising means for interpreting, by a control program executed in the micro device, a command sequence read out from the table corresponding to a kind of request from the user program; and transmitting means for transmitting the transmission packet composed by said composition means to the mainframe in accordance with a command in the command sequence.

Claim 11

A micro device to access a file present in a mainframe linked to the micro device, said device comprising: storage means for storing a table in which a plurality of command sequences are stored corresponding respectively to a plurality of kinds of requests, each of the plurality of command sequences including a process for composing and transmitting a transmission packet, each of a plurality of commands included in a command sequence to compose a transmission packet being executed to obtain respective components of a transmission packet; referring means for referring to the table in said storage means in response to a request of file access from a user program executed in the micro device; composition means for composing a transmission packet, said composition means comprising means for interpreting, by a control program executed in the micro device, a command sequence read out from the table corresponding to a kind of request from the user program; and transmitting means for transmitting the transmission packet composed by said composition means to the mainframe in accordance with a command in the command sequence.

Claim 12

A micro device to access to a file present in a mainframe linked to the micro device, said device comprising: storage means for storing a table in which a plurality of command sequences for use in composing and transmitting transmission packets are stored corresponding respectively to a plurality of kinds of requests, each of a plurality of commands included in a command sequence to compose a transmission packet being executed to obtain respective components of a transmission packet, wherein at least one command in a command sequence to compose a transmission packet is a set command including variables specifying position and length by which a component of the transmission packet is read out; referring means for referring to the table in said storage means in response to a request of file access from a user program executed in the micro device; composition means for composing a transmission packet, said composition means comprising means for interpreting, by a control program executed in the micro device, the command sequence read out from the table corresponding to the kind of request from the user program, and means for reading out data of the length from the position specified by the variables and setting the data as a component according to the set command; and transmitting means for transmitting the transmission packet composed by said composition means to the mainframe in accordance with a command in the command sequence.

Claim 13

A micro device to access to a file present in a mainframe linked to the micro device, said device comprising: storage means for storing a table in which a plurality of command sequences for use in composing and transmitting transmission packets are stored corresponding respectively to a plurality of kinds of requests, each of a plurality of commands included in a command sequence to compose a transmission packet being executed to obtain respective components of a transmission packet, wherein at least one command in a command sequence to compose a transmission packet is a set command including variables specifying position and length by which a component of the transmission packet is read out; referring means for referring to the table in said storage means in response to a request of file access from a user program executed in the micro device; composition means for composing a transmission packet, said composition means comprising means for interpreting, by a control program executed in the micro device, the command sequence read out from the table corresponding to the kind of request from the user program, and means for reading out data of the length from the position specified by the variables and setting the data as a component according to the set command; and transmitting means for transmitting the transmission packet composed by said composition means to the mainframe in accordance with a command in the command sequence.

Claim 14

A micro device according to claim 8, each command sequence in the table stored in said storage means further including a command to be executed to extract data from a reception packet, said device further comprising: receiving means for receiving a reception packet from the mainframe corresponding to the transmission packet transmitted by said transmission means; and extracting means for extracting data from the reception packet received by said receiving means in accordance with the command sequence corresponding to the request from the user program.

Claim 15

A micro device according to claim 9, wherein the command to be executed to extract data from a reception packet includes information specifying length by which data is extracted from the reception packet, and said extracting means comprises means of extracting data of the length from the reception packet.

Claim 16

A micro device according to claim 7, wherein said storage means stores a plurality of the tables each of which corresponds to a plurality of mainframes respectively.

Claim 17

A micro device to access a file present in a mainframe linked to the micro device, said device comprising: storage means for storing information; transferring means for transferring a table to said storage means from the mainframe, said table including a plurality of command sequences for use in composing and transmitting transmission packets corresponding respectively to a plurality of kinds of requests, each of a plurality of commands included in a command sequence to compose a transmission packet being executed to obtain respective components of the transmission packet, wherein at least one command in a command sequence to compose a transmission packet is a set command including variables specifying position and length by which a component of the transmission packet is read out; referring means for referring to the table in said storage means in response to a request of file access from a user program; composition means for composing a transmission packet, said composition means including means for interpreting, by a control program executed in the micro device, the command sequence read out from the table corresponding to the kind of request from the user program, and means for reading out data of the length from the position specified by the variables and setting the data as a component according to the set command; and transmission means for transmitting the transmission packet composed by said composition means to the mainframe in accordance with a command in the command sequence.

Claim 18

A micro device to access a file present in a mainframe linked to the micro device, said device comprising: storage means for storing information; transferring means for transferring a table to said storage means from the mainframe, said table including a plurality of command sequences for use in composing and transmitting transmission packets corresponding respectively to a plurality of kinds of requests, each of a plurality of commands included in a command sequence to compose a transmission packet being executed to obtain respective components of the transmission packet, wherein at least one command in a command sequence to compose a transmission packet is a set command including variables specifying position and length by which a component of the transmission packet is read out; referring means for referring to the table in said storage means in response to a request of file access from a user program; composition means for composing a transmission packet, said composition means including means for interpreting, by a control program executed in the micro device, the command sequence read out from the table corresponding to the kind of request from the user program, and means for reading out data of the length from the position specified by the variables and setting the data as a component according to the set command; and transmission means for transmitting the transmission packet composed by said composition means to the mainframe in accordance with a command in the command sequence.

Claim 19

A micro device according to claim 12, each command sequence in the table stored in said storage means further including a command to be executed to extract data from a reception packet, and said device further comprising: receiving means for receiving a reception packet from the mainframe corresponding to the transmission packet transmitted by said transmission means; and extracting means for extracting data from the reception packet received by said receiving means in accordance with the command sequence corresponding to the request from the user program.