CN106656549B - A kind of control method of underwater sound communication network - Google Patents
A kind of control method of underwater sound communication network Download PDFInfo
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- CN106656549B CN106656549B CN201610854333.XA CN201610854333A CN106656549B CN 106656549 B CN106656549 B CN 106656549B CN 201610854333 A CN201610854333 A CN 201610854333A CN 106656549 B CN106656549 B CN 106656549B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
- H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
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Abstract
The present invention relates to underwater sound communication network technical fields, and in particular to a kind of control method of underwater sound communication network.The present invention includes: the multiplex layer creation socket of main controlled node；In underwater sound communication network, for forward node, the physical layer of forward node is by receiving main controlled node information；In underwater sound communication network, for destination node, the physical layer of destination node is by receiving forward node information, control information is transferred to multiplex layer by data link layer, network layer, application layer, multiplex layer realizes the data transmission between multiplex layer and application layer by creation RFIFO pipeline and WFIFO pipeline and fifo channel, and the information received is analyzed and does corresponding processing.The present invention, by the control and configuration to a host node, indirectly controlling and configuring to other subsurface communication network nodes is realized using host node using multiplex layer technology, and each communication node will be controlled and be configured so as to avoid being directed to.
Description
Technical field
The present invention relates to underwater sound communication network technical fields, and in particular to a kind of control method of underwater sound communication network.
Background technique
In recent years, with the quickening of countries in the world ocean development paces, country, which starts to increase, carries out underwater acoustic communication net
The dynamics of research.And with underwater sound modem performance and in terms of raising, moveable network knot
The extensive use of structure under practical circumstances, either industry or academia, all have underwater sound communication network and greatly grind
Study carefully enthusiasm and demand.Underwater sound communication network (UWN) carries the important mission of detection, data communication.As the mankind visit ocean
Rope, exploitation deepen continuously, and either military domain or civil field all have great need to subsurface communication network technology
It asks.
In development process in the past few years, the performance that many kinds of measures removes assessment underwater sound communication network is proposed.But imitative
True aspect because in actual environment underwater acoustic channel complexity, accurate channel model cannot be provided, cause assessment effect and
Actual deviation is larger.During actual tests, in order to preferably go the performance of test underwater sound communication network, need repeatedly
Agreement, the parameter of test protocol and some other parameter of control and configuration test.When needs control and configure some agreements
When with parameter, goes to configure if not can be carried out long-range control, must take much time and do Underwater Acoustic Network with energy
The work of control and this setup test of configuration of each node in network, rather than most important test and test result is divided
Analyse work.It and is exactly by each communication node being controlled and being configured completion test job in existing underwater sound communication network
, this method is usually after arranging entire communication network, each node to be salvaged and thrown in emulation experiment
It discharges pairs of each communication node to be controlled and configured, to realize test job.
Summary of the invention
It solves in existing underwater sound communication network to be by each communication node the purpose of the present invention is to provide a kind of
Controlled and configured the control method for completing the underwater sound communication network of test.
The object of the present invention is achieved like this:
(1) multiplex layer of main controlled node creates socket, realizes the multiplex layer and PC machine of main controlled node in communication network
Letter between information transmission and multiplex layer and application layer by creating WFIFO, RFIFO, fifo channel realization main controlled node
Breath transmission；It analyzes simultaneously, handle and transmit from PC machine to the information of application layer；Then information is controlled from answering in control link
Forward node and destination node in communication network are transmitted to layer, network layer, data link layer, physical layer；
(2) in underwater sound communication network, for forward node, the physical layer of forward node is by receiving main controlled node letter
Control information is transferred to multiplex layer by data link layer, network layer, application layer by breath, and multiplex layer passes through creation RFIFO pipeline
And WFIFO pipeline and fifo channel realize the data transmission between multiplex layer and application layer, the multiplex layer of forward node will connect
The information received is analyzed and does corresponding processing, and application layer, the network layer, data link in control link are then passed through
Layer, physical layer are transmitted to destination node in underwater sound communication network；
(3) in underwater sound communication network, for destination node, the physical layer of destination node is by receiving forward node letter
Control information is transferred to multiplex layer by data link layer, network layer, application layer by breath, and multiplex layer passes through creation RFIFO pipeline
And WFIFO pipeline and fifo channel realize the data transmission between multiplex layer and application layer, and the information received is analyzed
And do corresponding processing；And the communication between the PC machine of destination node connection is realized by way of serial communication.
The step (1) includes:
(1.1), for main controlled node in communication network, the multiplex layer creation socket of main controlled node is as multiplex layer and PC
The mode of machine communication realizes that the information of multiplex layer and PC machine is transmitted；It is returned after socket sockfd creation socket success
Filec descriptor operates socket by socket sockfd；
(1.2), for PC machine by transmitting downwards to socket sockfd write information, and by information, PC machine first sends control life
It enables, is correspondingly processed after the control command that multiplex layer receives PC machine transmission, done to execute the Tcl script of data transmission below
Good preparation；PC machine is ordered by the data that the information that socket sockfd is transmitted includes transmission, the time for sending data, control
It enables, the time of log-on data link；Control command includes sta, stp, Tcl script, kill order；
(1.3) one is created for controlling the fifo channel realized in link and communicated between multiplex layer and application layer；Multiplexing
Layer and application layer realize the communication between multiplex layer and application layer by being written and read to fifo channel, and application layer passes through net again
Network layers, data-link layer transfer to physical layer send out control command by physical layer, in this way by controlling link for master control
The control information of node is sent to forward node and destination node in network；
(1.4) after main controlled node multiplex layer obtains the information of PC machine transmitted by reading socket sockfd,
The time of log-on data link in information and control command are transmitted to the function of processing control command, handle the letter of control command
Number can execute corresponding operation according to the time of log-on data link and control command；
(1.5), when the function discovery control command of the processing control command of main controlled node multiplex layer is sta order, processing
The function of control command creates two threads first, and WFIFO pipeline and RFIFO pipeline, Quality Initiative is respectively created in the two threads
Realize multiplexing in road between multiplex layer and application layer using the communication mode in WFIFO pipeline and this process of RFIFO pipeline
Communication between layer and application layer；Application layer is transmitted to for information is controlled by fifo channel again, then passes through entire Quality Initiative
Road sends control information to forward node and destination node in network；
(1.6) when the function discovery control command of the processing control command of main controlled node multiplex layer is Tcl script command, place
The function of reason control command is first responsible for one subprocess of creation, and the time of the log-on data link according to transmitting, data-link
The Tcl script name on road, the Tcl shell script of data link is executed in the time of defined log-on data link, and data link exists
Log-on data Link Time just will start；Then control command is sent to application by fifo channel by control command by multiplex layer
Layer, by entirely controlling the forward node and destination node that link is sent control information in network；When opening to defined
The time of dynamic data link, it will the Tcl script of automatic log-on data link, the two threads one is used to open data link
The data transmitted after dynamic from PC machine pass to another thread of application layer by RFIFO pipeline and will be answered by WFIFO pipeline
It is transmitted to multiplex layer with the information of layer, it is existing between the two mutual by RFIFO and WFIFO pipeline between application layer and multiplex layer
Communication；
(1.7) when the function discovery control command of the processing control command of main controlled node multiplex layer is kill, multiplex layer is first
First cancel two threads for carrying out transmission data for data link that sta order is created, then will be controlled by fifo channel
Information is transmitted to application layer, then sends control information to forward node and purpose section in network by entirely controlling link
Point；
(1.8) the function discovery control command of the processing control command of main controlled node multiplex layer is when being stp, and PC machine is by information
Multiplex layer is passed to by socket, the function of the processing control command in multiplex layer will stop creating in sta order immediately
Two threads, and cancel data link, and tell Tcl script stp order, allow Tcl script that can stop entire data-link
Road, then application layer is transmitted to for information is controlled by fifo channel, network is sent control information to by entirely controlling link
In forward node and destination node.
The step (2) includes:
(2.1) forward node multiplex layer creation for realizing the WFIFO pipeline communicated between multiplex layer and application layer,
RFIFO pipeline and fifo channel；Application layer by WFIFO pipeline and RFIFO pipeline and fifo channel be written and read come
Realize the communication between multiplex layer and application layer；
It (2.2), will after multiplex layer is by the information that application layer transmitting comes up from control link in reading fifo channel
The time of start by set date data link in information and control command are transmitted to the function of processing control command, handle control command
Function can execute corresponding operation according to the time of log-on data link and control command；
(2.3) when the function of the processing control command in multiplex layer discovery control command is sta order, processing control life
The function of order creates two threads first, and WFIFO pipeline and RFIFO pipeline is respectively created in the two threads, in data link,
Realized between multiplex layer and application layer using the communication mode in WFIFO pipeline and this process of RFIFO pipeline multiplex layer and
Communication between application layer；Application layer is transmitted to for information is controlled by fifo channel again, it then will by entirely control link
Control information is sent to forward node and destination node in network；
(2.4) when the function of the processing control command in multiplex layer discovery control command is Tcl script command, processing control
The function of system order is first responsible for one subprocess of creation, and the time of the log-on data link according to transmitting, data link
Tcl script name, the Tcl shell script of data link is executed in the time of defined log-on data link, and data link is starting
The time of data link just will start；Then control command is sent to application layer by fifo channel by control command by multiplex layer,
Then forward node and destination node in network are sent control information to by entirely controlling link；When opening to defined
The time of dynamic data link, it will the Tcl script of automatic log-on data link, multiplex layer transmit data by RFIFO pipeline
The information of application layer is transmitted to by multiplex layer by WFIFO pipeline to another thread of application layer, between application layer and multiplex layer
It is in communication with each other by the way that RFIFO pipeline and WFIFO pipeline are now between the two；
(2.5) when the function of the processing control command in multiplex layer discovery control command is kill, multiplex layer takes first
Two threads that transmission data are carried out for data link that the sta order that disappears is created, then information will be controlled by fifo channel
It is transmitted to application layer, so mutually sends control information to forward node and destination node in network by entirely controlling link；
(2.6) processing when the function of the processing control command in multiplex layer discovery control command is stp, in multiplex layer
The function of control command will stop create in sta order two threads immediately, and cancel data link, and stp is ordered
Tcl script is told in order, allows Tcl script that can stop entire data link, then be transmitted to control information by fifo channel and answer
With layer, forward node and destination node in network then are sent control information to by entirely controlling link.
The step (3) includes:
(3.1) destination node multiplex layer creation for realizing the WFIFO pipeline communicated between multiplex layer and application layer,
RFIFO pipeline and fifo channel；Multiplex layer and application layer by WFIFO pipeline and RFIFO pipeline and fifo channel into
Row is read and write to realize the communication between multiplex layer and application layer, and control command is transmitted to destination node by control link in this way
Multiplex layer, then by way of serial communication by control command be transferred to connection mesh node PC machine on；
(3.2) when multiplex layer by read fifo channel in from control link in application layer upload pass come control command
Afterwards, the time of the log-on data link in control command and control command are transmitted to the function of processing control command, processing control
The function of order can execute corresponding operation according to the time of log-on data link and control command；
(3.3) when the function of the processing control command in multiplex layer discovery control command is sta order, processing control life
The function of order creates two threads first, the two threads are respectively created WFIFO pipeline and RFIFO pipeline, answer in data link
It multiplex layer and is answered with being realized between layer and application layer using the communication mode in WFIFO pipeline and this process of RFIFO pipeline
With the communication between layer；
(3.4) when the function of the processing control command in multiplex layer discovery control command is Tcl script command, processing control
The function of system order is first responsible for one subprocess of creation, and time of the log-on data link according to transmitting, Tcl script name,
Tcl shell script is executed in the time of regulation log-on data link, data link just will start in the time of log-on data link；
When the time for arriving defined log-on data link, it will automatic log-on data link Tcl script, created two of sta order
Thread one data for being used to transmit after starting data link from PC machine pass to application layer by RFIFO pipeline；Separately
The information of application layer is transmitted to multiplex layer by WFIFO pipeline by one thread, is managed between application layer and multiplex layer by RFIFO
Communication mode in road and this process of WFIFO pipeline realizes between the two be in communication with each other；
(3.5) when the function of the processing control command in multiplex layer discovery control command is kill, multiplex layer takes first
Two threads that transmission data are carried out for data link that the sta order that disappears is created, then information will be controlled by fifo channel
It is transmitted to application layer, the PC machine of destination node and connection destination node is sent control information to by entirely controlling link
On；
(3.6) processing when the function of the processing control command in multiplex layer discovery control command is stp, in multiplex layer
The function of control command will stop create in sta order two threads immediately, and cancel data link, and stp is ordered
Tcl script is told in order, allows Tcl script that can stop entire data link；
(3.7) when application layer by fifo channel by control information be transmitted to multiplex layer, pass through RFIFO pipeline and WFIFO
Pipeline realizes the transmission of data between multiplex layer and application layer, and multiplex layer leads to the data received and control command by serial ports
The mode of letter passes to PC machine.
The step (3.7) includes:
The serial ports that (3.7.1) opens test plank obtains the filec descriptor uart of operation serial ports；
(3.7.2) obtains the characteristic of serial ports；
(3.7.3) configures the characteristic of serial ports accordingly；
(3.7.4) is by the buffer empty of serial ports sended and received；
(3.7.5) makes the serial ports characteristic of configuration come into force；
(3.7.6) multiplex layer is realized logical between the PC machine of destination node connection by being written and read to serial ports
Letter.
The beneficial effects of the present invention are:
The present invention, by control and configuration to a host node, is realized using host node to it using multiplex layer technology
His subsurface communication network node indirectly controlling and configuring.Host node is in terms of routing using single-hop or the method for multi-hop come real
Other underwater sound communication network nodes are now notified to carry out the switching of test protocol；In terms of the behavior of equipment, do not have under water each
The node of a communication is reconfigured after salvaging to progress waterborne, so as to avoid for each communication node will carry out control and
Configuration.Using the method for multiplex layer this control and configuration underwater sound communication network, greatly improves and be used for during the experiment
The efficiency of setup test not only improves the efficiency of experiment test improving 34% or more especially in doing outfield experiments, and
The complexity for doing the cost and logistic work tested is also reduced, while being avoided during testing preparation to laboratory apparatus
Damage.
Detailed description of the invention
Fig. 1 is the logical construction schematic diagram of main controlled node；
Fig. 2 is the logical construction schematic diagram of forward node；
Fig. 3 is the logical construction schematic diagram of purpose node.
Specific embodiment
The control method of underwater sound communication network, the present invention relates to underwater sound communication network technical fields, and in particular to Yi Zhongshui
The long-range control method of sound communication network.In order to solve it is by carrying out to each communication node in existing underwater sound communication network
The problem of test is completed in control and configuration.The present invention is controlled and is matched to node each in underwater sound communication network by multiplex layer
It sets；The multiplex layer of main controlled node and PC machine information are transmitted in communication network, and multiplex layer carries out the information transmitted from PC machine
Letter between corresponding processing, then multiplex layer and application layer by creating WFIFO, RFIFO, fifo channel realization main controlled node
Breath transmission, then sends information；The multiplex layer of forward node handles main controlled node transmission information, then by information
It forwards；The multiplex layer of destination node handles the information received, and is led to by serial communication mode and PC machine
Letter.The present invention is suitable for the long-range control of underwater sound communication network.
Application layer, network layer, data link layer, physical layer constitute a basic communication network in Fig. 1, and tcl language is
These layers are linked into an integrated entity and constitutes tcl script and works；
The control method of underwater sound communication network, comprising the following steps:
The multiplex layer creation socket of step 1, main controlled node, realizes the multiplex layer and PC machine of main controlled node in communication network
Information transmission and by creation WFIFO, RFIFO, fifo channel realize main controlled node multiplex layer and application layer between
Information transmission；It analyzes simultaneously, handle and transmit from PC machine to the information of application layer；Then control information is from control link
Application layer, network layer, data link layer, physical layer are transmitted to forward node and destination node in communication network；
Step 2, in underwater sound communication network, for forward node, the physical layer of forward node is by receiving main controlled node
Control information is transferred to multiplex layer by data link layer, network layer, application layer by information, and multiplex layer passes through creation RFIFO pipe
Road and WFIFO pipeline and fifo channel realize the data transmission between multiplex layer and application layer, and the multiplex layer of forward node will
The information received is analyzed and does corresponding processing, and application layer, the network layer, data link in control link are then passed through
Layer, physical layer are transmitted to destination node in underwater sound communication network；
Step 3, in underwater sound communication network, for destination node, the physical layer of destination node is by receiving forward node
Control information is transferred to multiplex layer by data link layer, network layer, application layer by information, and multiplex layer passes through creation RFIFO pipe
Road and WFIFO pipeline and fifo channel realize the data transmission between multiplex layer and application layer, and the information received is divided
It analyses and does corresponding processing；And the communication between the PC machine of destination node connection is realized by way of serial communication.
Embodiment one:
The control method of underwater sound communication network, comprising the following steps:
The multiplex layer creation socket of step 1, main controlled node, realizes the multiplex layer and PC machine of main controlled node in communication network
Information transmission and by creation WFIFO, RFIFO, fifo channel realize main controlled node multiplex layer and application layer between
Information transmission；It analyzes simultaneously, handle and transmit from PC machine to the information of application layer；Then control information is from control link
Application layer, network layer, data link layer, physical layer are transmitted to forward node and destination node in communication network；
Step 2, in underwater sound communication network, for forward node, the physical layer of forward node is by receiving main controlled node
Control information is transferred to multiplex layer by data link layer, network layer, application layer by information, and multiplex layer passes through creation RFIFO pipe
Road and WFIFO pipeline and fifo channel realize the data transmission between multiplex layer and application layer, and the multiplex layer of forward node will
The information received is analyzed and does corresponding processing, and application layer, the network layer, data link in control link are then passed through
Layer, physical layer are transmitted to destination node in underwater sound communication network；
Step 3, in underwater sound communication network, for destination node, the physical layer of destination node is by receiving forward node
Control information is transferred to multiplex layer by data link layer, network layer, application layer by information, and multiplex layer passes through creation RFIFO pipe
Road and WFIFO pipeline and fifo channel realize the data transmission between multiplex layer and application layer, and the information received is divided
It analyses and does corresponding processing；And the communication between the PC machine of destination node connection is realized by way of serial communication.
Embodiment two: embodiment is described with reference to Fig. 1,
The specific implementation process of present embodiment step 1 is as follows:
Step 1.1, for main controlled node in communication network, the multiplex layer creation socket of main controlled node as multiplex layer and
The mode of PC machine communication realizes that the information of multiplex layer and PC machine is transmitted；Socket sockfd is returned after creation socket is successful
Filec descriptor, pass through socket sockfd operate socket；Socket can be thus operated as operation file；
After successfully creating socket sockfd, realized using this communication mode of socket logical between PC machine
Letter；PC machine and multiplex layer can be realized and communication between the two by being written and read to socket；
By transmitting downwards to socket sockfd write information, and by information, PC machine first sends control for step 1.2, PC machine
Order is correspondingly processed after the control command that multiplex layer receives PC machine transmission, for the Tcl script for executing data transmission below
It is ready work；PC machine passes through the data that the information that socket sockfd is transmitted includes transmission, the time for sending data, control
It orders, the time of log-on data link；Control command includes sta, stp, Tcl script, kill order；
Step 1.3 creates one for controlling the fifo channel realized in link and communicated between multiplex layer and application layer；It is multiple
The communication between multiplex layer and application layer is realized by being written and read to fifo channel with layer and application layer, and application layer passes through again
Network layer, data-link layer transfer to physical layer send out control command by physical layer, will be led by controlling link in this way
The control information of control node is sent to forward node and destination node in network；
Step 1.4, when main controlled node multiplex layer by read socket sockfd obtain the information of PC machine transmitted
Afterwards, the time of the log-on data link in information and control command are transmitted to the function of processing control command, handle control command
Function can execute corresponding operation according to the time of log-on data link and control command, i.e., execution step 1.5, step 1.6,
The operation of step 1.7 or step 1.8；
When step 1.5, the function discovery control command of the processing control command of main controlled node multiplex layer are sta orders, place
The function of reason control command creates two threads first, and WFIFO pipeline and RFIFO pipeline is respectively created in the two threads, control
It is realized between multiplex layer and application layer using the communication mode in WFIFO pipeline and this process of RFIFO pipeline in link multiple
With the communication between layer and application layer；Application layer is transmitted to for information is controlled by fifo channel again, then by entirely controlling
Link sends control information to forward node and destination node in network；
Step 1.6, the function discovery control command of the processing control command of main controlled node multiplex layer are Tcl script commands
When, the function for handling control command is first responsible for one subprocess of creation, and the time of the log-on data link according to transmitting, number
According to the Tcl script name of link, the Tcl shell script of data link, data-link are executed in the time of defined log-on data link
Road just will start in log-on data Link Time；Then control command is sent to by fifo channel and is answered by multiplex layer by control command
With layer, by entirely controlling the forward node and destination node that link is sent control information in network；When arriving defined
The time of log-on data link, it will the Tcl script of automatic log-on data link, the two threads one is used to data link
The data transmitted after starting from PC machine pass to another thread of application layer by RFIFO pipeline will by WFIFO pipeline
The information of application layer is transmitted to multiplex layer, passes through the existing phase between the two of RFIFO and WFIFO pipeline between application layer and multiplex layer
Mutual communication；
When step 1.7, the function discovery control command of the processing control command of main controlled node multiplex layer are kill, multiplex layer
Cancel two threads for carrying out transmission data for data link that sta order is created first, then will be controlled by fifo channel
Information processed is transmitted to application layer, then sends control information to forward node and purpose in network by entirely controlling link
Node；
When step 1.8, the function discovery control command of the processing control command of main controlled node multiplex layer are stp, PC machine will
Information passes to multiplex layer by socket, and the function of the processing control command in multiplex layer will stop immediately in sta order
Two threads of creation, and cancel data link, and tell Tcl script stp order, Tcl script can be stopped entirely
Data link, then application layer is transmitted to for information is controlled by fifo channel, information transmission will be controlled by entirely controlling link
Forward node and destination node into network.
Other steps and parameter are same as the specific embodiment one.
Embodiment three: embodiment is described with reference to Fig. 2,
The multiplex layer creation of step 2.1, forward node is for realizing the WFIFO pipe communicated between multiplex layer and application layer
Road, RFIFO pipeline and fifo channel；Application layer is by being written and read WFIFO pipeline and RFIFO pipeline and fifo channel
To realize the communication between multiplex layer and application layer；
Step 2.2, when multiplex layer by read fifo channel in from control link in application layer transmit come up information after,
The time of start by set date data link in information and control command are transmitted to the function of processing control command, handle control command
Function can execute corresponding operation according to the time of log-on data link and control command, i.e., execution step 2.3, step 2.4,
The operation of step 2.5 or step 2.6；
Step 2.3, when the processing control command in multiplex layer function discovery control command be sta order when, processing control
The function of system order creates two threads first, and WFIFO pipeline and RFIFO pipeline is respectively created in the two threads, in data-link
Lu Zhong realizes multiplexing using the communication mode in WFIFO pipeline and this process of RFIFO pipeline between multiplex layer and application layer
Communication between layer and application layer；Application layer is transmitted to for information is controlled by fifo channel again, then passes through entire Quality Initiative
Road sends control information to forward node and destination node in network；
Step 2.4, when the processing control command in multiplex layer function discovery control command be Tcl script command when, place
The function of reason control command is first responsible for one subprocess of creation, and the time of the log-on data link according to transmitting, data-link
The Tcl script name on road, the Tcl shell script of data link is executed in the time of defined log-on data link, and data link exists
The time of log-on data link just will start；Then control command is sent to application by fifo channel by control command by multiplex layer
Then layer sends control information to forward node and destination node in network by entirely controlling link；When arrive defined
Log-on data link time, it will data are passed through RFIFO pipeline by the Tcl script of automatic log-on data link, multiplex layer
It passes to another thread of application layer and the information of application layer is transmitted to by multiplex layer, application layer and multiplex layer by WFIFO pipeline
Between between the two be in communication with each other by the way that RFIFO pipeline and WFIFO pipeline are existing；
Step 2.5, when the processing control command in multiplex layer function discovery control command be kill when, multiplex layer is first
Cancel two threads for carrying out transmission data for data link that sta order is created, then is believed control by fifo channel
Breath is transmitted to application layer, so mutually sends control information to forward node and purpose section in network by entirely controlling link
Point；
Step 2.6, when the function of the processing control command in multiplex layer discovery control command is stp, in multiplex layer
The function of processing control command will stop create in sta order two threads immediately, and cancel data link, and handle
Tcl script is told in stp order, allows Tcl script that can stop entire data link, then will control information transmitting by fifo channel
To application layer, forward node and destination node in network then are sent control information to by entirely controlling link.
Other steps and parameter are identical with embodiment two.
Example IV: embodiment is described with reference to Fig. 3,
The specific implementation process of present embodiment step 3 is as follows:
The multiplex layer creation of step 3.1, destination node is for realizing the WFIFO pipe communicated between multiplex layer and application layer
Road, RFIFO pipeline and fifo channel；Multiplex layer and application layer pass through to WFIFO pipeline and RFIFO pipeline and fifo channel
It is written and read to realize the communication between multiplex layer and application layer, control command is transmitted to by purpose section by control link in this way
The multiplex layer of point, then control command is transferred in the PC machine of connection mesh node by way of serial communication；
Step 3.2, when multiplex layer by read fifo channel in from control link in application layer upload pass come control
After order, the time of the log-on data link in control command and control command are transmitted to the function of processing control command, processing
The function of control command can execute corresponding operation according to the time of log-on data link and control command, i.e., execution step 3.3,
The operation of step 3.4, step 3.5 or step 3.6；
Step 3.3, when the processing control command in multiplex layer function discovery control command be sta order when, processing control
The function of system order creates two threads first, and WFIFO pipeline and RFIFO pipeline, data link is respectively created in the two threads
Multiplex layer is realized using the communication mode in WFIFO pipeline and this process of RFIFO pipeline between middle multiplex layer and application layer
Communication between application layer；
Step 3.4, when the processing control command in multiplex layer function discovery control command be Tcl script command when, place
The function of reason control command is first responsible for one subprocess of creation, and the time of the log-on data link according to transmitting, Tcl script
Name executes Tcl shell script in the time of regulation log-on data link, and data link will be opened in the time of log-on data link
It is dynamic；When the time for arriving defined log-on data link, it will automatic log-on data link Tcl script, sta order created two
A thread one data for being used to transmit after starting data link from PC machine pass to application layer by RFIFO pipeline；
The information of application layer is transmitted to multiplex layer by WFIFO pipeline by another thread, passes through RFIFO between application layer and multiplex layer
Communication mode in pipeline and this process of WFIFO pipeline realizes between the two be in communication with each other；
Step 3.5, when the processing control command in multiplex layer function discovery control command be kill when, multiplex layer is first
Cancel two threads for carrying out transmission data for data link that sta order is created, then is believed control by fifo channel
Breath is transmitted to application layer, and the PC machine of destination node and connection destination node is sent control information to by entirely controlling link
On；
Step 3.6, when the function of the processing control command in multiplex layer discovery control command is stp, in multiplex layer
The function of processing control command will stop create in sta order two threads immediately, and cancel data link, and handle
Tcl script is told in stp order, allows Tcl script that can stop entire data link；
Step 3.7 is transmitted to multiplex layer for information is controlled by fifo channel when application layer, by RFIFO pipeline and
WFIFO pipeline realizes the transmission of data between multiplex layer and application layer, and multiplex layer passes through the data received and control command
The mode of serial communication passes to PC machine.
Other steps and parameter are the same as the specific implementation mode 3.
Embodiment five:
The specific implementation process of step 3.7 described in present embodiment is as follows:
Step 3.7.1, the serial ports for opening test plank obtains the filec descriptor uart of operation serial ports；
Step 3.7.2, the characteristic of serial ports is obtained；
Step 3.7.3, (baud rate, even-odd check etc.) as needed, is configured accordingly to the characteristic of serial ports；
Step 3.7.4, by the buffer empty of serial ports sended and received；
Step 3.7.5, the serial ports characteristic of configuration is made to come into force；
Step 3.7.6, after configuration take-effective, serial ports can be operated as operation file；Multiplex layer by serial ports into
Row read-write, and then realize the communication between the PC machine of destination node connection.
Other steps and parameter are identical as specific embodiment four.
Claims (5)
1. a kind of control method of underwater sound communication network, which comprises the following steps:
(1) multiplex layer of main controlled node creates socket, realizes the multiplex layer of main controlled node and the information of PC machine in communication network
Information between transmission and multiplex layer and application layer by creating WFIFO, RFIFO, fifo channel realization main controlled node passes
It is defeated；It analyzes simultaneously, handle and transmit from PC machine to the information of application layer；Then information is controlled from the application in control link
Layer, network layer, data link layer, physical layer are transmitted to forward node and destination node in communication network；
(2) in underwater sound communication network, for forward node, the physical layer of forward node, will by receiving main controlled node information
Control information is transferred to multiplex layer by data link layer, network layer, application layer, multiplex layer by creation RFIFO pipeline with
WFIFO pipeline and fifo channel realize the data transmission between multiplex layer and application layer, and the multiplex layer of forward node will receive
To information analyzed and do corresponding processing, then by application layer in control link, network layer, data link layer,
Physical layer is transmitted to destination node in underwater sound communication network；
(3) in underwater sound communication network, for destination node, the physical layer of destination node, will by receiving forward node information
Control information is transferred to multiplex layer by data link layer, network layer, application layer, multiplex layer by creation RFIFO pipeline with
WFIFO pipeline and fifo channel realize the data transmission between multiplex layer and application layer, and the information received is analyzed simultaneously
Do corresponding processing；And the communication between the PC machine of destination node connection is realized by way of serial communication.
2. a kind of control method of underwater sound communication network according to claim 1, which is characterized in that the step (1)
Include:
(1.1), for main controlled node in communication network, the multiplex layer creation socket of main controlled node is logical as multiplex layer and PC machine
The mode of letter realizes that the information of multiplex layer and PC machine is transmitted；Socket sockfd is to create the file returned after socket success
Descriptor operates socket by socket sockfd；
(1.2), for PC machine by transmitting downwards to socket sockfd write information, and by information, PC machine first sends control command, when
Multiplex layer is correspondingly processed after receiving the control command that PC machine is sent, and carries out standard to execute the Tcl script of data transmission below
Standby work；PC machine by the data that the information that socket sockfd is transmitted includes transmission, send time of data, control command,
The time of log-on data link；Control command includes sta, stp, Tcl script, kill order；
(1.3) one is created for controlling the fifo channel realized in link and communicated between multiplex layer and application layer；Multiplex layer and
Application layer realizes the communication between multiplex layer and application layer by being written and read to fifo channel, and application layer passes through network again
Layer, data-link layer transfer to physical layer, send out control command by physical layer, in this way by controlling link for master control section
The control information of point is sent to forward node and destination node in network；
(1.4) after main controlled node multiplex layer obtains the information of PC machine transmitted by reading socket sockfd, will believe
The time of log-on data link in breath and control command are transmitted to the function of processing control command, handle the function meeting of control command
Corresponding operation is executed according to the time of log-on data link and control command；
(1.5), when the function discovery control command of the processing control command of main controlled node multiplex layer is sta order, processing control
The function of order creates two threads first, and WFIFO pipeline and RFIFO pipeline is respectively created in the two threads, controls in link
Realized between multiplex layer and application layer using the communication mode in WFIFO pipeline and this process of RFIFO pipeline multiplex layer and
Communication between application layer；Application layer is transmitted to for information is controlled by fifo channel again, it then will by entirely control link
Control information is sent to forward node and destination node in network；
(1.6) when the function discovery control command of the processing control command of main controlled node multiplex layer is Tcl script command, processing control
The function of system order is first responsible for one subprocess of creation, and the time of the log-on data link according to transmitting, data link
Tcl script name, the Tcl shell script of data link is executed in the time of defined log-on data link, and data link is starting
DL time just will start；Then control command is sent to application layer by fifo channel by control command by multiplex layer, is led to
Cross forward node and destination node that entire control link is sent control information in network；When the log-on data for arriving defined
The time of link, it will the Tcl script of automatic log-on data link, the two threads one be used to start data link after from
The data that PC machine is transmitted pass to another thread of application layer by RFIFO pipeline and pass through WFIFO pipeline for application layer
Information is transmitted to multiplex layer, is in communication with each other between application layer and multiplex layer by the way that RFIFO and WFIFO pipeline is now between the two；
(1.7) when the function discovery control command of the processing control command of main controlled node multiplex layer is kill, multiplex layer takes first
Two threads that transmission data are carried out for data link that the sta order that disappears is created, then information will be controlled by fifo channel
It is transmitted to application layer, then sends control information to forward node and destination node in network by entirely controlling link；
(1.8) when the function discovery control command of the processing control command of main controlled node multiplex layer is stp, PC machine passes through information
Socket passes to multiplex layer, and the function of the processing control command in multiplex layer will stop create in sta order two immediately
A thread, and cancel data link, and tell Tcl script stp order, allow Tcl script that can stop entire data link, then
It is transmitted to application layer by information is controlled by fifo channel, is turned by entirely controlling link and sending control information in network
Send out node and destination node.
3. a kind of control method of underwater sound communication network according to claim 2, which is characterized in that the step (2)
Include:
(2.1) multiplex layer of forward node creates for realizing WFIFO pipeline, the RFIFO communicated between multiplex layer and application layer
Pipeline and fifo channel；Application layer is realized multiple by being written and read to WFIFO pipeline and RFIFO pipeline and fifo channel
With the communication between layer and application layer；
(2.2) after multiplex layer is by the information that application layer transmitting comes up from control link in reading fifo channel, by information
In start by set date data link time and control command be transmitted to processing control command function, handle the function of control command
Corresponding operation can be executed according to the time of log-on data link and control command；
(2.3) when the function of the processing control command in multiplex layer discovery control command is sta order, control command is handled
Function creates two threads first, and WFIFO pipeline and RFIFO pipeline is respectively created in the two threads, in data link, multiplexing
Multiplex layer and application are realized using the communication mode in WFIFO pipeline and this process of RFIFO pipeline between layer and application layer
Communication between layer；Application layer is transmitted to for information is controlled by fifo channel again, then will be controlled by entirely control link
Information is sent to forward node and destination node in network；
(2.4) when the function of the processing control command in multiplex layer discovery control command is Tcl script command, processing control life
The function of order is first responsible for one subprocess of creation, and the time of the log-on data link according to transmitting, the Tcl foot of data link
Real name executes the Tcl shell script of data link in the time of defined log-on data link, and data link is in log-on data chain
The time on road just will start；Then control command is sent to application layer by fifo channel by control command by multiplex layer, is then led to
Cross forward node and destination node that entire control link is sent control information in network；When the log-on data for arriving defined
The time of link, it will data are passed to application by RFIFO pipeline by the Tcl script of automatic log-on data link, multiplex layer
The information of application layer is transmitted to multiplex layer by WFIFO pipeline by another thread of layer, is passed through between application layer and multiplex layer
RFIFO pipeline and WFIFO pipeline show between the two be in communication with each other；
(2.5) when the function of the processing control command in multiplex layer discovery control command is kill, multiplex layer cancels sta first
Two threads for carrying out transmission data for data link created are ordered, then are transmitted to by fifo channel by information is controlled
Application layer so mutually sends control information to forward node and destination node in network by entirely controlling link；
(2.6) the processing control when the function of the processing control command in multiplex layer discovery control command is stp, in multiplex layer
The function of order will stop create in sta order two threads immediately, and cancel data link, and stp order is told
Tcl script allows Tcl script that can stop entire data link, then is transmitted to application layer for information is controlled by fifo channel, so
Forward node and destination node in network are sent control information to by entirely controlling link afterwards.
4. a kind of control method of underwater sound communication network according to claim 3, which is characterized in that the step (3)
Include:
(3.1) multiplex layer of destination node creates for realizing WFIFO pipeline, the RFIFO communicated between multiplex layer and application layer
Pipeline and fifo channel；Multiplex layer and application layer are by being written and read WFIFO pipeline and RFIFO pipeline and fifo channel
It realizes the communication between multiplex layer and application layer, control command is transmitted to by control link the multiplexing of destination node in this way
Layer, then control command is transferred in the PC machine of connection mesh node by way of serial communication；
(3.2) when multiplex layer by read fifo channel in from control link in application layer upload pass come control command after,
The time of log-on data link in control command and control command are transmitted to the function of processing control command, handle control command
Function can execute corresponding operation according to the time of log-on data link and control command；
(3.3) when the function of the processing control command in multiplex layer discovery control command is sta order, control command is handled
Function creates two threads first, and WFIFO pipeline and RFIFO pipeline, multiplex layer in data link is respectively created in the two threads
Multiplex layer and application layer are realized using the communication mode in WFIFO pipeline and this process of RFIFO pipeline between application layer
Between communication；
(3.4) when the function of the processing control command in multiplex layer discovery control command is Tcl script command, processing control life
The function of order is first responsible for one subprocess of creation, and the time of the log-on data link according to transmitting, Tcl script name are being advised
The time for determining log-on data link executes Tcl shell script, and data link just will start in the time of log-on data link；When arriving
The time of defined log-on data link, it will automatic log-on data link Tcl script, two threads that sta order is created
One data for being used to transmit after starting data link from PC machine passes to application layer by RFIFO pipeline；Another
The information of application layer is transmitted to multiplex layer by WFIFO pipeline by thread, between application layer and multiplex layer by RFIFO pipeline and
Communication mode in this process of WFIFO pipeline realizes between the two be in communication with each other；
(3.5) when the function of the processing control command in multiplex layer discovery control command is kill, multiplex layer cancels sta first
Two threads for carrying out transmission data for data link created are ordered, then are transmitted to by fifo channel by information is controlled
Application layer is sent control information in the PC machine of destination node and connection destination node by entirely controlling link；
(3.6) the processing control when the function of the processing control command in multiplex layer discovery control command is stp, in multiplex layer
The function of order will stop create in sta order two threads immediately, and cancel data link, and stp order is told
Tcl script allows Tcl script that can stop entire data link；
(3.7) when application layer by fifo channel by control information be transmitted to multiplex layer, pass through RFIFO pipeline and WFIFO pipeline
Realize the transmission of data between multiplex layer and application layer, the data received and control command are passed through serial communication by multiplex layer
Mode passes to PC machine.
5. a kind of control method of underwater sound communication network according to claim 4, which is characterized in that the step
(3.7) include:
The serial ports that (3.7.1) opens test plank obtains the filec descriptor uart of operation serial ports；
(3.7.2) obtains the characteristic of serial ports；
(3.7.3) configures the characteristic of serial ports accordingly；
(3.7.4) is by the buffer empty of serial ports sended and received；
(3.7.5) makes the serial ports characteristic of configuration come into force；
(3.7.6) multiplex layer realizes the communication between the PC machine of destination node connection by being written and read to serial ports.
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