CN103312424B - Control method and system for multiple switches in automatic testing system - Google Patents

Control method and system for multiple switches in automatic testing system Download PDF

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Publication number
CN103312424B
CN103312424B CN201310273166.6A CN201310273166A CN103312424B CN 103312424 B CN103312424 B CN 103312424B CN 201310273166 A CN201310273166 A CN 201310273166A CN 103312424 B CN103312424 B CN 103312424B
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switch
virtual unit
route
information
auto
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CN103312424A (en
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郭素敏
苏春建
郭素芳
魏绍亮
李洪宇
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Abstract

The invention discloses a control method and system for multiple switches in an automatic testing system. The control method comprises the steps of: a, abstracting all the switch demands in the automatic testing system into a switch network virtual device, performing virtual device information allocation on the switch network virtual device and storing the allocated virtual device information; b, providing a control interface for connecting and disconnecting the route, and finishing control on the route in the switch network virtual device by invoking the control interface for connecting and disconnecting the route by the automatic testing system; c, analyzing the route based on a connection rule in the virtual device information and invoking corresponding switch drive to finish connecting and disconnecting operation for specific switches. As the switch network virtual device is utilized to establish the connection rule and the route information of the complex switch system, and the switch network system packaging is utilized to control the complex switch system, a simple route control interface is provided, the development and control difficulty is reduced, and the development period is shortened.

Description

The control method of many switches and control system in Auto-Test System
Technical field
The present invention relates to the control method of many switches in a kind of Auto-Test System, and the control system of many switches in a kind of Auto-Test System.
Background technology
Microwave switch is signal transmission and the maincenter that distributes in microwave Auto-Test System, uses microwave switching matrix can make full use of test resource, reduces the workload of the various instruments of switching, extends instrument useful life, improves testing efficiency.Be accompanied by the appearance of new product, the complexity of measured piece is also in sustainable growth, and this causes the test point quantity that must connect to increase severely.The sharp increase of test point quantity also means the sharp increase of switching system complexity in Auto-Test System, need to manage a plurality of switch modules like this, creates the situation of carrying out settling signal transmission and distributing across the route of a plurality of switch modules in complicated test macro with regard to there will be.
At present main or for the independent control of different switch modules to the control of switching system in test macro, the design of switch route is also to carry out between the passage of switch inside, cannot manage a plurality of switch modules simultaneously, more cannot design and identify the route across switch module, for the management of complicated switching system has improved difficulty.
Shown in Fig. 1 is the traditional control method schematic diagram of switch in Auto-Test System, this traditional approach, Auto-Test System is controlled separately for different switches, the annexation of switch room cannot embody in test macro, can only lean on test macro developer manual record, this has increased the exploitation of Complicated Testing System and has controlled difficulty.
Summary of the invention
Task of the present invention is to solve the defect that the control technology of many switches in prior art Auto-Test System exists, and the control method of many switches in a kind of Auto-Test System is provided, and the control system of many switches in a kind of Auto-Test System.
Its technical solution is:
In Auto-Test System, a control method for many switches, comprises the steps:
A is abstracted into a switching network virtual unit by switch demands all in Auto-Test System, and switch Network dummy equipment is carried out to virtual unit information configuration, and configured virtual unit information is preserved; Above-mentioned virtual unit information comprises the software and hardware information of each switch, routing iinformation between the concatenate rule information of the port information of virtual unit, switch room, virtual unit port; The concatenate rule information of above-mentioned switch room comprises hardwired rule and mutual exclusion rule, be respectively used to describe the physical connection requirement between different switch module ports, and demand is repelled in the connection between virtual unit port;
B provides and connects and the control interface that disconnects route, and Auto-Test System connects and the control interface that disconnects route by calling, and completes the control to route in switch Network dummy equipment;
C resolves route according to the concatenate rule in above-mentioned virtual unit information, and calls corresponding switch drive, completes the connection of concrete switch and opening operation.
Above-mentioned steps a is further comprising the steps of:
A1 creates a switching network virtual unit;
A2 adds switches all in Auto-Test System in switching network virtual unit to, and record comprises the software and hardware information of the driver of switch, program control address, topological structure;
A3 invents the port of all switches the port of switching network virtual unit;
A4 creates the mutual exclusion set between switching network virtual unit port;
A5 creates the hardwired set between switching network virtual unit port;
A6 is used mutual exclusion and hardwired rule, creates the route set between switching network virtual unit port;
A7 preserves virtual unit information.
Above-mentioned steps a6 is further comprising the steps of:
A61 obtains setting up two passages of route, and ch1, ch2 passage, create a storehouse;
A62 judges that ch1 and ch2 passage whether in mutual exclusion configuration, if it is return to the information that can not connect, otherwise carry out a63;
A63 judges whether ch1, ch2 passage belong to same switch module, if not, perform step a64; If so, perform step a65;
A64 from hardwired set, search can with the channel attached hardwired of ch1 on passage, if found, using this passage as new ch1 passage, and the information of the hardwired finding and former ch1 passage is pressed in the storehouse of internal memory, execution step a63; If do not found, carry out a66;
A65 judges that whether ch1, ch2 passage can connect, if cannot connect, perform step a66; If can connect, perform step a67;
A66 judges whether hardwired heap stack element is empty, is not empty by the element ejection of the stack top of hardwired storehouse, and execution step a64 continues to search other hardwired; If the element set of storehouse is empty, return to the information that can not connect;
A67 utilizes two passages of input and the element in storehouse to organize routing iinformation, and routing iinformation is returned.
Above-mentioned steps b is further comprising the steps of:
B1 selects the virtual unit information of storing;
B2 resolves virtual unit information;
B3 obtains the routing iinformation of configuration from virtual unit information;
B4 calls and connects or disconnect routing operations, completes the control to switch Network dummy equipment.
Above-mentioned steps c is further comprising the steps of:
C1 obtains activation bit and the hardware address of each switch module from stored virtual unit information;
The driving that c2 calls each switch carrys out initialisation switch module, and session handle is saved in internal memory;
C3 obtains the routing iinformation that will connect;
C4 carries out segmentation according to the hardwired on routed path to route, and the port in each section of route all belongs to same switch;
C5 each section of route that circulate finds the session handle when preceding switch from internal memory, and the method for attachment of using this handle to call switch, completes the attended operation of this section of route;
C6 closes session handle.
Above-mentioned steps c is further comprising the steps of:
C7 obtains activation bit and the hardware address of each switch module from stored virtual unit information;
The driving that c8 calls each switch carrys out initialisation switch module, and session handle is saved in internal memory;
C9 obtains the routing iinformation that will disconnect;
C10 carries out segmentation according to the hardwired on routed path to route, and the port in each section of route all belongs to same switch;
C11 each section of route that circulate finds the session handle when preceding switch from internal memory, uses this handle to call the disconnect method of switch, completes the opening operation of this section of route;
C12 closes session handle.
A control system for many switches in Auto-Test System, comprising:
Switching network MBM, for all switch demands of Auto-Test System are abstracted into a switching network virtual unit, carries out virtual unit information configuration to switch Network dummy equipment, and configured virtual unit information is preserved; Above-mentioned virtual unit information comprises the software and hardware information of each switch, routing iinformation between the concatenate rule information of the port information of virtual unit, switch room, virtual unit port; The concatenate rule information of above-mentioned switch room comprises hardwired rule and mutual exclusion rule, be respectively used to describe the physical connection requirement between different switch module ports, and demand is repelled in the connection between virtual unit port;
Routing module control, connects and the control interface that disconnects route for providing, and Auto-Test System connects and the control interface that disconnects route by calling, and completes the control to route in switch Network dummy equipment;
Data storage and parsing module and switch control module, for according to the concatenate rule of above-mentioned virtual unit information, route being resolved, and call corresponding switch drive, completes the connection of concrete switch and opening operation.
The present invention has following useful technique effect:
One, the present invention has realized the unified control of complicated switching system in Auto-Test System.The complicated switching system that a plurality of switches (module) are formed is abstracted into " switching network virtual unit ", the connection of passage between different switch modules is designed to " hardwired ", on the basis of the corresponding concatenate rule of design, realize the management of intelligent switching system and across the routed path management function of switch module.
Two, the present invention has improved the development efficiency of Auto-Test System.The present invention can carry out intelligent switch management and routing configuration across switch module, when test macro developer uses method of the present invention to carry out complicated switching system control, no longer need to understand inside annexation and the rule of switching system, execution connection or opening operation that only need be to the route of switching network, reduce like this control difficulty of complicated switching system, improved the development efficiency of Auto-Test System.
Three, maintainability of the present invention is good.Use the present invention that the business function encapsulation of switching system is got up, externally provide unified control interface, i.e. route.If there is change in switching system internal configurations, such as variation has occurred the concatenate rule of having changed between switch module or module, in this case as long as guarantee that the external routing configuration of switching system is constant, only the internal configurations of switching network is made to local modification, and test macro remains unchanged to the control of switching network, just can meet new demand, reduce the maintenance cost of test macro.
Accompanying drawing explanation
Fig. 1 is the theory diagram that traditional Auto-Test System is controlled complicated switching system.
Fig. 2 is the overall flow figure of a kind of execution mode of control method of many switches in Auto-Test System in the present invention.
Fig. 3 creates the flow chart of switching network virtual unit in Fig. 2 mode.
Fig. 4 utilizes concatenate rule to create the flow chart of switching network virtual unit route in Fig. 2 mode.
Fig. 5 is the flow chart of Auto-Test System control switch Network dummy equipment in Fig. 2 mode.
Fig. 6 is used concatenate rule and routing iinformation to complete the flow chart of connection route operation in Fig. 2 mode.
Fig. 7 is used concatenate rule and routing iinformation to complete the flow chart that disconnects routing operations in Fig. 2 mode.
Fig. 8 is the schematic block diagram of a kind of execution mode of control system of many switches in Auto-Test System in the present invention.
Embodiment
With reference to the accompanying drawings technical scheme of the present invention is described in further detail below.
Before describing in detail, the several concepts of paper:
Passage: refer to the tie point on switch module.
Mutual exclusion: be a concatenate rule, can not connect between special modality for guaranteeing.Mutual exclusion is generally used for security purpose.
Hardwired: be the physical connection between switch passage, such as distribution, similar bus, matrix-expand plug etc.
Route: be a signal paths, may be through the port of a plurality of switches.
Switching network virtual unit: represented a switching system, a virtual unit is comprised of configurations such as switch module, passage, hardwired, bus, mutual exclusion and routes.
As shown in Figure 2, in a kind of Auto-Test System, the control method of many switches, comprises the steps:
Step 1: switch demands all in Auto-Test System is abstracted into a switching network virtual unit, switch Network dummy equipment is carried out to virtual unit information configuration, and configured virtual unit information is preserved.Switching network virtual unit is a virtual software object, and its all switch module in system combines and be abstract, has recorded the software and hardware information of these switch modules in switching network virtual unit.Switching network virtual unit has port attribute, and in test macro, the port of all switch modules has formed the port of switching network virtual unit.Above-mentioned virtual unit information comprises the software and hardware information of each switch, routing iinformation between the concatenate rule information of the port information of virtual unit, switch room, virtual unit port; The concatenate rule information of above-mentioned switch room comprises hardwired rule and mutual exclusion rule, be respectively used to describe the physical connection requirement between different switch module ports, and demand is repelled in the connection between virtual unit port.
Step 2: provide and connect and the control interface that disconnects route, Auto-Test System connects and the control interface that disconnects route by calling, and completes the control to route in switch Network dummy equipment.
Step 3: according to the concatenate rule in above-mentioned virtual unit information, route is resolved, and call corresponding switch drive, complete the connection of concrete switch and opening operation.
In conjunction with Fig. 3, above-mentioned steps 1 is further comprising the steps of:
Step 101: create a switching network virtual unit;
Step 102: switches all in Auto-Test System is added in switching network virtual unit, and record comprises the software and hardware information of the driver of switch, program control address, topological structure;
Step 103: the port that the port of all switches is invented to switching network virtual unit;
Step 104: create the mutual exclusion set between switching network virtual unit port;
Step 105: create the hardwired set between switching network virtual unit port;
Step 106: use mutual exclusion and hardwired rule, create the route set between switching network virtual unit port;
Step 107: preserve virtual unit information.
In conjunction with Fig. 4, above-mentioned steps 106 is further comprising the steps of:
61 obtain setting up two passages of route, and ch1, ch2 passage, create a storehouse;
62 judge that ch1 and ch2 passage whether in mutual exclusion configuration, if it is return to the information that can not connect, otherwise carry out 63;
63 judge whether ch1, ch2 passage belong to same switch module, if not, perform step 64; If so, perform step 65;
64 from hardwired set, search can with the channel attached hardwired of ch1 on passage, if found, using this passage as new ch1 passage, and the information of the hardwired finding and former ch1 passage is pressed in the storehouse of internal memory, execution step 63; If do not found, carry out 66;
65 judge that whether ch1, ch2 passage can connect, if cannot connect, perform step 66; If can connect, perform step 67;
66 judge whether hardwired heap stack element is empty, are not empty by the element ejection of the stack top of hardwired storehouse, and execution step a64 continues to search other hardwired; If the element set of storehouse is empty, return to the information that can not connect;
67 utilize two passages of input and the element in storehouse to organize routing iinformation, and routing iinformation is returned.
In conjunction with Fig. 5, above-mentioned steps 2 is further comprising the steps of:
Step 201: the virtual unit information that selection is stored;
Step 202: resolve virtual unit information;
Step 203: the routing iinformation that obtains configuration from virtual unit information;
Step 204: call and connect or disconnect routing operations, complete the control to switch Network dummy equipment.
In conjunction with Fig. 6, above-mentioned steps 3 is further comprising the steps of:
Step 301: the activation bit and the hardware address that obtain each switch module from stored virtual unit information;
Step 302: the driving of calling each switch carrys out initialisation switch module, and session handle is saved in internal memory;
Step 303: obtain the routing iinformation that will connect;
Step 304: according to the hardwired on routed path, route is carried out to segmentation, the port in each section of route all belongs to same switch;
Step 305: each section of route that circulate, from internal memory, find the session handle when preceding switch, the method for attachment of using this handle to call switch, completes the attended operation of this section of route;
Step 306 is closed session handle.
In conjunction with Fig. 7, above-mentioned steps 3 is further comprising the steps of:
Step 401: the activation bit and the hardware address that obtain each switch module from stored virtual unit information;
Step 402: the driving of calling each switch carrys out initialisation switch module, and session handle is saved in internal memory;
Step 403: obtain the routing iinformation that will disconnect;
Step 404: according to the hardwired on routed path, route is carried out to segmentation, the port in each section of route all belongs to same switch;
Step 405: each section of route that circulate, from internal memory, find the session handle when preceding switch, use this handle to call the disconnect method of switch, complete the opening operation of this section of route;
Step 406: close session handle.
As shown in Figure 8, the control system of many switches in a kind of Auto-Test System, comprising:
Switching network MBM, for all switch demands of Auto-Test System are abstracted into a switching network virtual unit, carries out virtual unit information configuration to switch Network dummy equipment, and configured virtual unit information is preserved; Above-mentioned virtual unit information comprises the software and hardware information of each switch, routing iinformation between the concatenate rule information of the port information of virtual unit, switch room, virtual unit port; The concatenate rule information of above-mentioned switch room comprises hardwired rule and mutual exclusion rule, be respectively used to describe the physical connection requirement between different switch module ports, and demand is repelled in the connection between virtual unit port;
Routing module control, connects and the control interface that disconnects route for providing, and Auto-Test System connects and the control interface that disconnects route by calling, and completes the control to route in switch Network dummy equipment;
Data storage and parsing module and switch control module, for according to the concatenate rule of above-mentioned virtual unit information, route being resolved, and call corresponding switch drive, completes the connection of concrete switch and opening operation.
The complicated switching system that the present invention forms a plurality of switch modules is abstracted into " switching network virtual unit ", the connection of passage between different switch modules is designed to " hardwired ", on the basis of the corresponding concatenate rule of design, realize the management of intelligent switching system and across the routed path management function of switch module, when test macro developer uses method of the present invention to carry out complicated switching system control, no longer need to understand inside annexation and the rule of switching system, execution connection or opening operation that only need be to the route of switching network, reduced like this control difficulty of complicated switching system, improved the development efficiency of Auto-Test System.
The present invention can get up the business function encapsulation of switching system, provides unified control interface: route to test macro.If there is change in switching system internal configurations, such as variation has occurred the concatenate rule of having changed between switch module or module, in this case as long as guarantee that the external routing configuration of switching system is constant, only the internal configurations of switching network is made to local modification, and test macro remains unchanged to the control of switching network, just can meet new demand, reduce the maintenance cost of test macro.
The relevant technologies content of not addressing in aforesaid way is taked or is used for reference prior art and can realize.
Those skilled in the art can carry out various remodeling and change to the present invention.Therefore, the present invention has covered various remodeling and the change in the scope that falls into appending claims and equivalent thereof.

Claims (7)

1. a control method for many switches in Auto-Test System, is characterized in that comprising the steps:
A is abstracted into a switching network virtual unit by switch demands all in Auto-Test System, and switch Network dummy equipment is carried out to virtual unit information configuration, and configured virtual unit information is preserved; Above-mentioned virtual unit information comprises the software and hardware information of each switch, routing iinformation between the concatenate rule information of the port information of virtual unit, switch room, virtual unit port; The concatenate rule information of above-mentioned switch room comprises hardwired rule and mutual exclusion rule, be respectively used to describe the physical connection requirement between different switch module ports, and demand is repelled in the connection between virtual unit port;
B provides and connects and the control interface that disconnects route, and Auto-Test System connects and the control interface that disconnects route by calling, and completes the control to route in switch Network dummy equipment;
C resolves route according to the concatenate rule in above-mentioned virtual unit information, and calls corresponding switch drive, completes the connection of concrete switch and opening operation.
2. the control method of many switches in a kind of Auto-Test System according to claim 1, is characterized in that above-mentioned steps a is further comprising the steps of:
A1 creates a switching network virtual unit;
A2 adds switches all in Auto-Test System in switching network virtual unit to, and record comprises the software and hardware information of the driver of switch, program control address, topological structure;
A3 invents the port of all switches the port of switching network virtual unit;
A4 creates the mutual exclusion set between switching network virtual unit port;
A5 creates the hardwired set between switching network virtual unit port;
A6 is used mutual exclusion and hardwired rule, creates the route set between switching network virtual unit port;
A7 preserves virtual unit information.
3. the control method of many switches in a kind of Auto-Test System according to claim 2, is characterized in that above-mentioned steps a6 is further comprising the steps of:
A61 obtains setting up two passages of route, and ch1, ch2 passage, create a storehouse;
A62 judges that ch1 and ch2 passage whether in mutual exclusion configuration, if it is return to the information that can not connect, otherwise carry out a63;
A63 judges whether ch1, ch2 passage belong to same switch module, if not, perform step a64; If so, perform step a65;
A64 from hardwired set, search can with the channel attached hardwired of ch1 on passage, if found, using this passage as new ch1 passage, and the information of the hardwired finding and former ch1 passage is pressed in the storehouse of internal memory, execution step a63; If do not found, carry out a66;
A65 judges that whether ch1, ch2 passage can connect, if cannot connect, perform step a66; If can connect, perform step a67;
A66 judges whether hardwired heap stack element is empty, is not empty by the element ejection of the stack top of hardwired storehouse, and execution step a64 continues to search other hardwired; If the element set of storehouse is empty, return to the information that can not connect;
A67 utilizes two passages of input and the element in storehouse to organize routing iinformation, and routing iinformation is returned.
4. the control method of many switches in a kind of Auto-Test System according to claim 1, is characterized in that above-mentioned steps b is further comprising the steps of:
B1 selects the virtual unit information of storing;
B2 resolves virtual unit information;
B3 obtains the routing iinformation of configuration from virtual unit information;
B4 calls and connects or disconnect routing operations, completes the control to switch Network dummy equipment.
5. the control method of many switches in a kind of Auto-Test System according to claim 1, is characterized in that above-mentioned steps c is further comprising the steps of:
C1 obtains activation bit and the hardware address of each switch module from stored virtual unit information;
The driving that c2 calls each switch carrys out initialisation switch module, and session handle is saved in internal memory;
C3 obtains the routing iinformation that will connect;
C4 carries out segmentation according to the hardwired on routed path to route, and the port in each section of route all belongs to same switch;
C5 each section of route that circulate finds the session handle when preceding switch from internal memory, and the method for attachment of using this handle to call switch, completes the attended operation of this section of route;
C6 closes session handle.
6. the control method of many switches in a kind of Auto-Test System according to claim 5, is characterized in that above-mentioned steps c is further comprising the steps of:
C7 obtains activation bit and the hardware address of each switch module from stored virtual unit information;
The driving that c8 calls each switch carrys out initialisation switch module, and session handle is saved in internal memory;
C9 obtains the routing iinformation that will disconnect;
C10 carries out segmentation according to the hardwired on routed path to route, and the port in each section of route all belongs to same switch;
C11 each section of route that circulate finds the session handle when preceding switch from internal memory, uses this handle to call the disconnect method of switch, completes the opening operation of this section of route;
C12 closes session handle.
7. a control system for many switches in Auto-Test System, is characterized in that comprising:
Switching network MBM, for all switch demands of Auto-Test System are abstracted into a switching network virtual unit, carries out virtual unit information configuration to switch Network dummy equipment, and configured virtual unit information is preserved; Above-mentioned virtual unit information comprises the software and hardware information of each switch, routing iinformation between the concatenate rule information of the port information of virtual unit, switch room, virtual unit port; The concatenate rule information of above-mentioned switch room comprises hardwired rule and mutual exclusion rule, be respectively used to describe the physical connection requirement between different switch module ports, and demand is repelled in the connection between virtual unit port;
Routing module control, connects and the control interface that disconnects route for providing, and Auto-Test System connects and the control interface that disconnects route by calling, and completes the control to route in switch Network dummy equipment;
Data storage and parsing module and switch control module, for according to the concatenate rule of above-mentioned virtual unit information, route being resolved, and call corresponding switch drive, completes the connection of concrete switch and opening operation.
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