| 4 |
|
|
| 5 |
|
/* |
| 6 |
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* Header for holodeck display drivers. |
| 7 |
– |
* Include after "rholo.h". |
| 7 |
|
*/ |
| 8 |
|
|
| 9 |
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/* display requests */ |
| 10 |
< |
#define DR_BUNDLE 1 /* bundle request */ |
| 10 |
> |
#define DR_NOOP 0 /* to release from vain DR_ATTEN */ |
| 11 |
> |
#define DR_BUNDLE 1 /* lone bundle request */ |
| 12 |
|
#define DR_ATTEN 2 /* request for attention */ |
| 13 |
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#define DR_SHUTDOWN 3 /* shutdown request */ |
| 14 |
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#define DR_NEWSET 4 /* new bundle set */ |
| 15 |
|
#define DR_ADDSET 5 /* add to current set */ |
| 16 |
< |
#define DR_DELSET 6 /* delete from current set */ |
| 16 |
> |
#define DR_ADJSET 6 /* adjust set quantities */ |
| 17 |
> |
#define DR_DELSET 7 /* delete from current set */ |
| 18 |
|
|
| 19 |
|
/* server responses */ |
| 20 |
< |
#define DS_BUNDLE 1 /* computed bundle */ |
| 21 |
< |
#define DS_ACKNOW 2 /* acknowledge request for attention */ |
| 22 |
< |
#define DS_SHUTDOWN 3 /* end process and close connection */ |
| 23 |
< |
#define DS_ADDHOLO 4 /* register new holodeck */ |
| 24 |
< |
#define DS_STARTIMM 5 /* begin immediate bundle set */ |
| 25 |
< |
#define DS_ENDIMM 6 /* end immediate bundle set */ |
| 20 |
> |
#define DS_BUNDLE 8 /* computed bundle */ |
| 21 |
> |
#define DS_ACKNOW 9 /* acknowledge request for attention */ |
| 22 |
> |
#define DS_SHUTDOWN 10 /* end process and close connection */ |
| 23 |
> |
#define DS_ADDHOLO 11 /* register new holodeck */ |
| 24 |
> |
#define DS_STARTIMM 12 /* begin immediate bundle set */ |
| 25 |
> |
#define DS_ENDIMM 13 /* end immediate bundle set */ |
| 26 |
|
|
| 27 |
|
/* |
| 28 |
|
* Normally, the server channel has priority, with the display process |
| 34 |
|
* Priority returns to normal after the following request. |
| 35 |
|
*/ |
| 36 |
|
|
| 37 |
+ |
#ifndef BIGREQSIZ |
| 38 |
+ |
#define BIGREQSIZ 512 /* big request size (bytes) */ |
| 39 |
+ |
#endif |
| 40 |
+ |
|
| 41 |
|
typedef struct { |
| 42 |
|
int2 type; /* message type */ |
| 43 |
|
int4 nbytes; /* number of additional bytes */ |
| 44 |
|
} MSGHEAD; /* message head */ |
| 45 |
|
|
| 46 |
< |
/* display request message bodies */ |
| 46 |
> |
/* |
| 47 |
> |
* The display process is started with three arguments. The first argument |
| 48 |
> |
* is the short name of the holodeck file, appropriate for window naming, etc. |
| 49 |
> |
* The second and third arguments are the file descriptor numbers assigned to |
| 50 |
> |
* the server's standard output and input, respectively. The stdin and stdout |
| 51 |
> |
* of the display process are used for normal communication with the server, |
| 52 |
> |
* and are connected to pipes going each way. It is entirely appropriate |
| 53 |
> |
* for the display process to borrow the server's stdin and stdout for reading |
| 54 |
> |
* and writing user commands from the following list. If the standard input |
| 55 |
> |
* is not available for reading, then a descriptor of -1 will be passed. |
| 56 |
> |
* The standard output will always be available for writing, though it |
| 57 |
> |
* may go to /dev/null. |
| 58 |
> |
*/ |
| 59 |
|
|
| 60 |
< |
/* DR_BUNDLE */ |
| 61 |
< |
#define BUNDLE_REQ PACKHEAD |
| 62 |
< |
/* DR_ATTEN */ |
| 63 |
< |
/* no body */ |
| 64 |
< |
/* DR_SHUTDOWN */ |
| 65 |
< |
/* no body */ |
| 66 |
< |
/* DR_NEWSET */ |
| 50 |
< |
/* body is nbytes/sizeof(BUNDLE_REQ) BUNDLE_REQ bodies */ |
| 51 |
< |
/* DR_ADDSET */ |
| 52 |
< |
/* body is nbytes/sizeof(PACKHEAD) BUNDLE_REQ bodies */ |
| 53 |
< |
/* DR_DELSET */ |
| 54 |
< |
/* body is nbytes/sizeof(PACKHEAD) BUNDLE_REQ bodies */ |
| 60 |
> |
/* user commands */ |
| 61 |
> |
#define DC_SETVIEW 0 /* set the view */ |
| 62 |
> |
#define DC_GETVIEW 1 /* print the current view */ |
| 63 |
> |
#define DC_LASTVIEW 2 /* restore previous view */ |
| 64 |
> |
#define DC_PAUSE 3 /* pause the current calculation */ |
| 65 |
> |
#define DC_RESUME 4 /* resume the calculation */ |
| 66 |
> |
#define DC_QUIT 5 /* quit the program */ |
| 67 |
|
|
| 68 |
< |
/* server response message bodies */ |
| 68 |
> |
#define DC_NCMDS 6 /* number of commands */ |
| 69 |
|
|
| 70 |
< |
/* DS_BUNDLE */ |
| 59 |
< |
#define BUNDLE_RES PACKHEAD /* followed by nr RAYVAL structs */ |
| 60 |
< |
/* DS_ACKNOW */ |
| 61 |
< |
/* no body */ |
| 62 |
< |
/* DS_SHUTDOWN */ |
| 63 |
< |
/* no body */ |
| 64 |
< |
/* DS_ADDHOLO */ |
| 65 |
< |
#define HOLO_RES HDGRID |
| 66 |
< |
/* DS_STARTIMM */ |
| 67 |
< |
/* no body */ |
| 68 |
< |
/* DS_ENDIMM */ |
| 69 |
< |
/* no body */ |
| 70 |
> |
#define DC_INIT {"VIEW=","where","last","pause","resume","quit"} |
