Changes for page TCP Communication

Last modified by csp on 2025/01/30 12:05
<
From version < 18.1 >
edited by nbw
on 2014/07/18 12:47
To version < 40.2 >
edited by csp
on 2023/07/13 12:23
>
Change comment: Update document after refactoring.

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Parent
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1 +SS14Railway.Railway Project (summer term 2014).Documentation.C Controller.WebHome
Author
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1 -XWiki.nbw
1 +XWiki.csp
Content
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2 2  
3 3  {{toc/}}
4 4  
5 -
6 -
7 -{{status colour="Red" title="Work in progress - Might bE subject to change"/}}
8 -
9 9  Both the controller and the client GUI send their data as JSON Objects.
10 10  In JSON every Object is an unordered set of key/value pairs. The values of these pairs can be a JSON Object, a JSON Array or a primitive value (integer, string, boolean or null).
11 11  For more information or a complete grammar see [[http:~~/~~/www.json.org/>>url:http://www.json.org/||shape="rect"]].
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30 30  * **debug** - true if the controller is set to verbose debug output, false otherwise
31 31  * **cleanup** - true after cleanup mode has been engaged, false before that point
32 32  * **pause** - true while the controller is paused, false otherwise
33 -* **write** - true if receiving client has write access, false otherwise
34 34  * **trainCount** - an integer with the number of active trains on the railway
35 -* **trains** - a JSON Array with the data of all trains, each entry is a JSON Object with these values\\
36 -** **trainNum** - the individual controller number of the train
37 -** --**waiting** - boolean value, true if the train is waiting in a station, false otherwise --
38 -** **{{status colour="Red" title="Removed"/}}waitTime** - (integer) remaining milliseconds until departure (0 if not waiting) 
39 -** **{{status colour="Yellow" title="changed"/}}spdSlow** - the integer PWM value of this train while driving slow
40 -** **spdCaution** - the integer PWM value of this train while driving caution
41 -** **spdNormal** - the integer PWM value of this train while driving normally
42 -** **currentIndex** -an integer describing the current position in the schedule
43 -** (((
44 -**schedule** - a JSON Array of integer values, representing the station tracks, encoded in the following fashion
30 +* (((
31 +**trains** - a JSON Array with the data of all trains, each entry is a JSON Object with these values* **state** - integer value for current train state (0 = travelling, 1 = waiting, 2 = travelling until next station, 3 = forced wait, 4 = no schedule)
32 +* **waitTime** - (integer) remaining milliseconds until departure (0 if not waiting)
33 +* **spdSlow** - the integer PWM value of this train while driving slow
34 +* **spdCaution** - the integer PWM value of this train while driving caution
35 +* **spdNormal** - the integer PWM value of this train while driving normally
36 +* **stationTimes** - a flat array of the form [station1_minTime, station1_maxTime, station2_minTime, station2_maxTime, ...]. The order of the stations is defined by the order in the table below but the KH (reverse) tracks are omitted.
37 +* **currentIndex** - an integer describing the current position in the schedule
38 +* (((
39 +**schedule** - a JSON Array of integer values, representing the station tracks, encoded in the following fashion
40 +)))
41 +* (((
42 +**currentDestination** - the current destination track, encoded in the following fashion
45 45  
46 -{{status colour="Yellow" title="CHANGED"/}}
47 -
48 48  |=(((
49 49  Number
50 50  )))|=(((
... ... @@ -172,41 +172,43 @@
172 172  
173 173  )))
174 174  )))
171 +)))
175 175  * **locks** - a JSON Array containing the current value of the track permissions, ordered by the default encoding (Hoermann API)
176 -* **tickTime** - Time consumption of tick function. 3 element array [min,avg,max].
177 -* **overallTime** -  Time consumption of overall controller loop. 3 element array [min,avg,max].
173 +* **tickTime** - Time consumption of tick function in milliseconds. 3 element double-array [min,avg,max].
174 +* **overallTime** -  Time consumption of overall controller loop in milliseconds. 3 element double-array [min,avg,max].
178 178  
179 179  
180 180  
181 181  {{code title="Sample status" language="js" collapse="true"}}
182 182  {"msgType":"status",
183 - "data":{
184 - "debug":false,
185 - "cleanup":false,
186 - "pause":false,
187 - "trainCount":8,
188 - "trains":[
189 - {"trainNum":0, "waitTime":0, "spdSlow":40, "spdCaution":60, "spdNormal":100, "currentIndex":1, "schedule":[9,13,17,21,25,27,33,35]},
190 - {"trainNum":1, "waitTime":2500, "spdSlow":41, "spdCaution":61, "spdNormal":101, "currentIndex":2, "schedule":[9,13,17,21,25,27,33,35]},
191 - {"trainNum":2, "waitTime":0, "spdSlow":42, "spdCaution":62, "spdNormal":102, "currentIndex":3, "schedule":[9,13,17,21,25,27,33,35]},
192 - {"trainNum":3, "waitTime":0, "spdSlow":43, "spdCaution":63, "spdNormal":103, "currentIndex":4, "schedule":[9,13,17,21,25,27,33,35]},
193 - {"trainNum":4, "waitTime":0, "spdSlow":44, "spdCaution":64, "spdNormal":104, "currentIndex":5, "schedule":[9,13,17,21,25,27,33,35]},
194 - {"trainNum":5, "waitTime":10000, "spdSlow":45, "spdCaution":65, "spdNormal":105, "currentIndex":6, "schedule":[9,13,17,21,25,27,33,35]},
195 - {"trainNum":6, "waitTime":0, "spdSlow":46, "spdCaution":66, "spdNormal":106, "currentIndex":7, "schedule":[9,13,17,21,25,27,33,35]},
196 - {"trainNum":7, "waitTime":0, "spdSlow":47, "spdCaution":67, "spdNormal":107, "currentIndex":8, "schedule":[9,13,17,21,25,27,33,35]},
197 - ],
198 - "locks":[-1, -1, -1, -1, -1, 0, -1, -1, 2, -1, -1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, 5, -1, -1, -1, 3, 3, 7, 7, -1, -1, -1, -1, -1, -1, 6, -1, -1]},
199 - "tickTime":[50, 60, 70],
200 - "overallTime":[70, 80, 90]}
201 -
180 +"data":{
181 + "debug":false,
182 + "cleanup":false,
183 + "pause":false,
184 + "trainCount":8,
185 + "trains":[
186 + {"state":3,"waitTime":0,"spdSlow":40,"spdCaution":60,"spdNormal":100,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":1,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":9},
187 + {"state":1,"waitTime":2500,"spdSlow":41,"spdCaution":61,"spdNormal":101,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":2,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":13},
188 + {"state":0,"waitTime":0,"spdSlow":42,"spdCaution":62,"spdNormal":102,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":3,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":13},
189 + {"state":0,"waitTime":0,"spdSlow":43,"spdCaution":63,"spdNormal":103,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":4,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":13},
190 + {"state":0,"waitTime":0,"spdSlow":44,"spdCaution":64,"spdNormal":104,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":5,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":27},
191 + {"state":1,"waitTime":10000,"spdSlow":45,"spdCaution":65,"spdNormal":105,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":6,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":9},
192 + {"state":2,"waitTime":0,"spdSlow":46,"spdCaution":66,"spdNormal":106,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":7,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":10},
193 + {"state":0,"waitTime":0,"spdSlow":47,"spdCaution":67,"spdNormal":107,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":4,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":21}
194 + ],
195 + "locks":[-1,-1,-1,-1,-1,0,-1,-1,2,-1,-1,1,1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,4,-1,-1,-1,-1,-1,5,-1,-1,-1,3,3,7,7,-1,-1,-1,-1,-1,-1,6,-1,-1],
196 + "tickTime":[50,60,70],
197 + "overallTime":[70,80,90]}}
202 202  [One line to test via netcat]
203 -{"msgType":"status","data":{"debug":false,"cleanup":false,"pause":false,"trainCount":8,"trains":[{"trainNum":0, "waitTime":0, "spdSlow":40, "spdCaution":60, "spdNormal":100, "currentIndex":1, "schedule":[9,13,17,21,25,27,33,35]},{"trainNum":1, "waitTime":2500, "spdSlow":41, "spdCaution":61, "spdNormal":101, "currentIndex":2, "schedule":[9,13,17,21,25,27,33,35]},{"trainNum":2, "waitTime":0, "spdSlow":42, "spdCaution":62, "spdNormal":102, "currentIndex":3, "schedule":[9,13,17,21,25,27,33,35]},{"trainNum":3, "waitTime":0, "spdSlow":43, "spdCaution":63, "spdNormal":103, "currentIndex":4, "schedule":[9,13,17,21,25,27,33,35]},{"trainNum":4, "waitTime":0, "spdSlow":44, "spdCaution":64, "spdNormal":104, "currentIndex":5, "schedule":[9,13,17,21,25,27,33,35]},{"trainNum":5, "waitTime":10000, "spdSlow":45, "spdCaution":65, "spdNormal":105, "currentIndex":6, "schedule":[9,13,17,21,25,27,33,35]},{"trainNum":6, "waitTime":0, "spdSlow":46, "spdCaution":66, "spdNormal":106, "currentIndex":7, "schedule":[9,13,17,21,25,27,33,35]},{"trainNum":7, "waitTime":0, "spdSlow":47, "spdCaution":67, "spdNormal":107, "currentIndex":8, "schedule":[9,13,17,21,25,27,33,35]},],"locks":[-1, -1, -1, -1, -1, 0, -1, -1, 2, -1, -1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, 5, -1, -1, -1, 3, 3, 7, 7, -1, -1, -1, -1, -1, -1, 6, -1, -1]}, "tickTime":[50, 60, 70],"overallTime":[70, 80, 90]}
199 +{"msgType":"status","data":{"debug":false,"cleanup":false,"pause":false,"trainCount":8,"trains":[{"state":3,"waitTime":0,"spdSlow":40,"spdCaution":60,"spdNormal":100,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":1,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":9},{"state":1,"waitTime":2500,"spdSlow":41,"spdCaution":61,"spdNormal":101,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":2,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":13},{"state":0,"waitTime":0,"spdSlow":42,"spdCaution":62,"spdNormal":102,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":3,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":13},{"state":0,"waitTime":0,"spdSlow":43,"spdCaution":63,"spdNormal":103,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":4,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":13},{"state":0,"waitTime":0,"spdSlow":44,"spdCaution":64,"spdNormal":104,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":5,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":27},{"state":1,"waitTime":10000,"spdSlow":45,"spdCaution":65,"spdNormal":105,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":6,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":9},{"state":2,"waitTime":0,"spdSlow":46,"spdCaution":66,"spdNormal":106,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":7,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":10},{"state":0,"waitTime":0,"spdSlow":47,"spdCaution":67,"spdNormal":107,"stationTimes":[5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10,5,10],"currentIndex":4,"schedule":[9,13,17,21,25,27,33,35],"currentDestination":21}],"locks":[-1,-1,-1,-1,-1,0,-1,-1,2,-1,-1,1,1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,4,-1,-1,-1,-1,-1,5,-1,-1,-1,3,3,7,7,-1,-1,-1,-1,-1,-1,6,-1,-1],"tickTime":[50,60,70],"overallTime":[70,80,90]}}
204 204  {{/code}}
205 205  
206 206  == Messages received by controller ==
207 207  
208 -* Every message must contain the key **command**.
209 -* Depending on the command, additional keys might be required.
204 +* Every message must contain the keys **command **and **data**.
205 +* Valid values for **command **are the following uppercase commands.
206 +* Depending on the command, the **data**-object contains the described infos.
207 +** If a command doesn't require any additional information, the data-object may be omitted or empty.
210 210  
211 211  === Valid commands ===
212 212  
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215 215  * //LOGOUT// - Closing the connection, leaving the controller running
216 216  * //PAUSE// - suspend or resume the controller, must supply additional payload
217 217  ** **state** - boolean value, true if controller should be suspended
218 -* //WRITE// - Acquire write access mutex to the controller
219 -* //CLEANUP// (//write//) - Start the cleanup procedure, sending the trains back to their home tacks
220 -* //DEBUG// (//write//) - enable or disable verbose output, must supply additional payload
216 +* //CLEANUP// - Start the cleanup procedure, sending the trains back to their home tacks
217 +* //DEBUG// - enable or disable verbose output, must supply additional payload
221 221  ** **state** - boolean value, true if verbose output should be activated
222 -* //LIGHT (write//) - activate or deactivate the lights on the railway, must supply additional payload\\
219 +* //ECHO// - Prints message as log message on the server (will be broadcasted to all clients)\\
220 +** **message** - string, message text
221 +* //LIGHT// - activate or deactivate the lights on the railway, must supply additional payload\\
223 223  ** **state** - boolean value, true if lights should be lit
224 -* //WAIT// (//write//) - Force a train to wait in the next station, must supply additional payload
223 +* //WAIT// - Force a train to wait in the next station, must supply additional payload
225 225  ** **train** - integer train identification
226 -* //START (write//) - Force a waiting train to immediately abort the waiting timer, must supply additional payload
225 +* //START// - Force a waiting train to immediately abort the waiting timer, must supply additional payload
227 227  ** **train** - integer train identification
228 -* //SCHEDULE// (//write//) - Set the new schedule for a train, needs additional payload
227 +* //SCHEDULE// - Set the new schedule for a train, needs additional payload
229 229  ** **train** - integer train identification
230 230  ** **currentIndex** - current integer position in the schedule array
231 231  ** **tracks** - a JSON Array of integer values, representing the station tracks in encoding above
232 -* //SPEED (write//) - Change the speed settings of a train, needs additional payload
231 +* //SPEED //- Change the speed settings of a train, needs additional payload
233 233  ** **train** - integer train identification
234 234  ** **speeds** - JSON Array with three integer values (% class="confluence-link" %)spdSlow, spdCaution, spdNormal
235 -* //TIME// (//write//) - Change the waiting times for a train
234 +* //TIME// - Change the waiting times for a train
236 236  ** **train** - integer train identification
237 -** **times** -
238 -
239 -{{status colour="Yellow" title="Define a format for this"/}}
236 +**times** - a flat array of the form [station1_minTime, station1_maxTime, station2_minTime, station2_maxTime, ...]. The order of the stations is defined by the order in the table above but the KH (reverse) tracks are omitted.
Confluence.Code.ConfluencePageClass[0]
Id
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1 -9471597
1 +9471477
URL
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1 -https://rtsys.informatik.uni-kiel.de/confluence//wiki/spaces/SS14Railway/pages/9471597/TCP Communication
1 +https://rtsys.informatik.uni-kiel.de/confluence//wiki/spaces/SS14Railway/pages/9471477/TCP Communication

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