gclib  437
Communications API for Galil controllers and PLCs
gclibo.c
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1 
7 #include "gclibo.h"
8 
9 #ifndef _CRT_SECURE_NO_WARNINGS
10 #define _CRT_SECURE_NO_WARNINGS //use traditional C calls like strncpy()
11 #endif
12 
13 #include <stdlib.h> //atoi, atof
14 #include <string.h> //strcpy
15 #include <stdio.h> //fopen
16 #include <math.h> //log()
17 
18 
19 
20 void GCALL GSleep(unsigned int timeout_ms)
21 {
22  GUtility(0, G_UTIL_SLEEP, &timeout_ms, 0);
23 }
24 
26 {
27  int str_len;
28  GReturn rc;
29  if ((rc = GUtility(0, G_UTIL_VERSION, ver, &ver_len)) != G_NO_ERROR)
30  return rc;
31 
32 #ifdef G_USE_GCAPS
33  str_len = strlen(ver) + 1;
34  ver_len -= str_len;
35  if (ver_len > 0
36  && GUtility(0, G_UTIL_GCAPS_VERSION, ver + str_len, &ver_len) == G_NO_ERROR)
37  {
38  ver[str_len - 1] = ' '; //add a delimiter
39  }
40 #endif
41 
42  return rc;
43 }
44 
46 {
47  return GUtility(g, G_UTIL_INFO, info, &info_len);
48 }
49 
50 GReturn GCALL GAddresses(GCStringOut addresses, GSize addresses_len)
51 {
52 #ifdef G_USE_GCAPS
53  GReturn rc;
54  if (G_NO_ERROR == (rc = GUtility(0, G_UTIL_GCAPS_ADDRESSES, addresses, &addresses_len)))
55  return rc;
56 #endif
57 
58  return GUtility(0, G_UTIL_ADDRESSES, addresses, &addresses_len);
59 }
60 
61 GReturn GCALL GTimeout(GCon g, short timeout_ms)
62 {
63  return GUtility(g, G_UTIL_TIMEOUT_OVERRIDE, &timeout_ms, 0);
64 }
65 
67 {
68  /*
69  * On Linux and Apple, the IP address is pinged prior to assigning.
70  * On Windows, pinging first can make the arp table stale, and the
71  * IP address unreachable for several seconds. We skip ping so that
72  * we can immediately connect.
73  */
74 
75  GReturn rc;
76  int reply = 0; //ping reply is nonzero
77 
78 #ifdef G_USE_GCAPS
79 
80 #if defined(__linux__) || defined(__APPLE__)
81  GUtility(0, G_UTIL_GCAPS_PING, (void*)ip, &reply); //ping to see if IP address is already taken
82  if (reply)
84 #endif
85 
86  if (G_NO_ERROR == (rc = GUtility(0, G_UTIL_GCAPS_ASSIGN, (void*)ip, (void*)mac)))
87  return rc;
88 #endif
89 
90 #if defined(__linux__) || defined(__APPLE__)
91  GUtility(0, G_UTIL_PING, (void*)ip, &reply); //ping to see if IP address is already taken
92  if (reply)
94 #endif
95 
96  return GUtility(0, G_UTIL_ASSIGN, (void*)ip, (void*)mac);
97 }
98 
99 GReturn GCALL GIpRequests(GCStringOut requests, GSize requests_len)
100 {
101 #ifdef G_USE_GCAPS
102  GReturn rc;
103  if (G_NO_ERROR == (rc = GUtility(0, G_UTIL_GCAPS_IPREQUEST, requests, &requests_len)))
104  return rc;
105 #endif
106 
107  return GUtility(0, G_UTIL_IPREQUEST, requests, &requests_len);
108 }
109 
111 {
112  char buf[G_SMALL_BUFFER]; //response usually brief, e.g. :
113  return GCommand(g, command, buf, G_SMALL_BUFFER, 0);
114 }
115 
116 GReturn GCALL GCmdT(GCon g, GCStringIn command, GCStringOut trimmed_response, GSize response_len, GCStringOut* front)
117 {
118  GSize read;
119  GReturn rc;
120  int i;
121  char c;
122  if ((rc = GCommand(g, command, trimmed_response, response_len, &read)) != G_NO_ERROR)
123  return rc;
124  //if here, the data is already null-terminated, just trim.
125  for (i = read - 1; i >= 0; i--) //read does NOT include null terminator.
126  {
127  c = trimmed_response[i];
128  if ((c == ':') || (c == '\n') || (c == '\r'))
129  trimmed_response[i] = 0; //trim it
130  else
131  break; //we hit non-trimmable data, bail out.
132  }
133 
134  if (front) //null to skip "trim" on front.
135  {
136  *front = trimmed_response;
137  i = 0;
138  do
139  {
140  c = trimmed_response[i++];
141  if (c == ' ')
142  (*front)++;
143  else
144  break;
145  } while (1); //exit will be any non-space, including null terminator
146  }
147 
148  return G_NO_ERROR;
149 }
150 
151 GReturn GCALL GCmdI(GCon g, GCStringIn command, int* value)
152 {
153  char buf[G_SMALL_BUFFER]; //response should be ~19 chars
154  GSize read;
155  GReturn rc;
156  if ((rc = GCommand(g, command, buf, G_SMALL_BUFFER, &read)) != G_NO_ERROR)
157  return rc;
158  *value = atoi(buf);
159  return G_NO_ERROR;
160 }
161 
162 GReturn GCALL GCmdD(GCon g, GCStringIn command, double* value)
163 {
164  char buf[G_SMALL_BUFFER]; //response should be ~19 chars
165  GSize read;
166  GReturn rc;
167  if ((rc = GCommand(g, command, buf, G_SMALL_BUFFER, &read)) != G_NO_ERROR)
168  return rc;
169  *value = atof(buf);
170  return G_NO_ERROR;
171 }
172 
174 {
175  char pred[] = "_BGm=0"; //predicate for polling the axis' motion status, m is a place holder replaced below.
176  GReturn rc;
177  GSize i = 0; //C, not C++
178  GSize len = strlen(axes);
179 
180  for (i = 0; i < len; i++) //iterate through all chars in axes
181  {
182  pred[3] = axes[i]; //set the axis
183  rc = GWaitForBool(g, pred, -1); //poll forever. Change this if a premature exit is desired.
184  if (rc != G_NO_ERROR)
185  return rc;
186  }//axes
187 
188  return G_NO_ERROR;
189 }
190 
191 GReturn GCALL GWaitForBool(GCon g, GCStringIn predicate, int trials)
192 {
193  char cmd[G_LINE_BUFFER];
194  char buf[G_LINE_BUFFER];
195  int rc;
196  strcpy(cmd, "MG (");
197  strcat(cmd, predicate);
198  strcat(cmd, ")"); //enclose in parenthesis
199 
200  for (; trials != 0; --trials) //negative value will poll "forever"
201  {
202  rc = GCommand(g, cmd, buf, G_SMALL_BUFFER, 0); //check the predicate
203  if (rc != G_NO_ERROR)
204  return rc;
205 
206  if (atoi(buf)) //nonzero is true, bad atoi returns 0
207  return G_NO_ERROR;
208  else
210  }
211  //if we're here, the trials ran out
212  return G_GCLIB_POLLING_FAILED;
213 }
214 
215 GReturn GCALL GRecordRate(GCon g, double period_ms)
216 {
217  char buf[G_SMALL_BUFFER];
218  double dt;
219  double period_arg;
220 
221  if (period_ms == 0) //turn off
222  return GCmd(g, "DR 0");
223 
224  if (GCmdD(g, "TM?", &dt) == G_NO_ERROR)
225  {
226  dt /= 1024.0; //ms per controller sample
227  if (!dt) dt = 1; //don't want to divide by zero below
228  }
229  else
230  {
231  dt = 0.9765625; //RIO doesn't have TM
232  }
233 
234  period_arg = period_ms / dt; //data record specified in samples between records
235 
236  if (GCmdT(g, "\x12\x16", buf, sizeof(buf), 0) == G_NO_ERROR) //Revision string, ^R^V
237  {
238  if (strstr(buf, "DMC18")) //PCI controller
239  period_arg = log(period_arg) / log(2.0); //PCI DR arg is 2^n.
240  else if ((strstr(buf, "DMC40") != NULL) //4000
241  || (strstr(buf, "DMC500") != NULL) //50000
242  || (strstr(buf, "RIO") != NULL)) // RIO
243  {
244  if (period_arg < 2) period_arg = 2; //lowest non-zero DR
245  }
246  else if ((strstr(buf, "DMC41") != NULL) || (strstr(buf, "DMC21") != NULL)) //4103, 2103
247  {
248  if (period_arg < 8) period_arg = 8; //lowest non-zero DR
249  }
250  else if ((strstr(buf, "DMC3") != NULL)) //30010, 31010
251  {
252  if (period_arg < 4) period_arg = 4; //lowest non-zero DR
253  }
254  }
255 
256  sprintf(buf, "DR %d", (int)period_arg);
257  return GCmd(g, buf);
258 }
259 
261 {
262  FILE *file;
263  long file_size;
264  char* program_buffer;
265  GReturn rc = G_NO_ERROR;
266 
267  if (!(file = fopen(file_path, "rb"))) //open file for reading, binary mode
268  return G_BAD_FILE;
269 
270  fseek(file, 0, SEEK_END); //find end of file
271  file_size = ftell(file); //add one to null terminate below
272  rewind(file);
273 
274  if (file_size) //don't malloc 0.
275  {
276 
277  if (!(program_buffer = malloc(file_size + 1))) //allocate memory for the data, +1 for null termination below
278  {
279  fclose(file);
280  return G_BAD_FULL_MEMORY;
281  }
282 
283  if (file_size != fread(program_buffer, 1, file_size, file))
284  {
285  fclose(file);
286  free(program_buffer); //free memory
287  return G_BAD_FILE;
288  }
289  program_buffer[file_size] = 0; //null terminate, malloc was one byte larger for this
290  }
291  else
292  {
293  program_buffer = ""; //nullstring
294  }
295 
296  fclose(file); //done with file, close it
297 
298  rc = GProgramDownload(g, program_buffer, preprocessor); //call the gclib downloader
299  if (file_size) free(program_buffer); //free memory
300  return rc;
301 }
302 
304 {
305  FILE *file;
306  GReturn rc = G_NO_ERROR;
307  char* program_buffer;
308  long file_size;
309 
310  if (!(file = fopen(file_path, "wb"))) //open file for writing, binary mode
311  return G_BAD_FILE;
312 
313  if (!(program_buffer = malloc(MAXPROG))) //allocate memory for the data
314  {
315  fclose(file);
316  return G_BAD_FULL_MEMORY;
317  }
318 
319  if ((rc = GProgramUpload(g, program_buffer, MAXPROG)) == G_NO_ERROR)
320  {
321  file_size = strlen(program_buffer);
322  if (file_size != fwrite(program_buffer, 1, file_size, file))
323  rc = G_BAD_FILE;
324  }
325 
326  fclose(file);
327  free(program_buffer);
328  return rc;
329 }
330 
331 
332 void GCALL GError(GReturn rc, GCStringOut error, GSize error_len)
333 {
334  char* error_message;
335 
336  switch (rc)
337  {
338  case G_NO_ERROR:
339  error_message = G_NO_ERROR_S;
340  break;
341 
342  case G_GCLIB_ERROR:
343  error_message = G_GCLIB_ERROR_S;
344  break;
345 
347  error_message = G_GCLIB_UTILITY_ERROR_S;
348  break;
349 
351  error_message = G_GCLIB_UTILITY_IP_TAKEN_S;
352  break;
353 
355  error_message = G_GCLIB_NON_BLOCKING_READ_EMPTY_S;
356  break;
357 
358  case G_TIMEOUT:
359  error_message = G_TIMEOUT_S;
360  break;
361 
362  case G_OPEN_ERROR:
363  error_message = G_OPEN_ERROR_S;
364  break;
365 
366  case G_READ_ERROR:
367  error_message = G_READ_ERROR_S;
368  break;
369 
370  case G_WRITE_ERROR:
371  error_message = G_WRITE_ERROR_S;
372  break;
373 
375  error_message = G_COMMAND_CALLED_WITH_ILLEGAL_COMMAND_S;
376  break;
377 
378  case G_DATA_RECORD_ERROR:
379  error_message = G_DATA_RECORD_ERROR_S;
380  break;
381 
383  error_message = G_UNSUPPORTED_FUNCTION_S;
384  break;
385 
386  case G_BAD_ADDRESS:
387  error_message = G_BAD_ADDRESS_S;
388  break;
389 
390  case G_BAD_FIRMWARE_LOAD:
391  error_message = G_BAD_FIRMWARE_LOAD_S;
392  break;
393 
395  error_message = G_FIRMWARE_LOAD_NOT_SUPPORTED_S;
396  break;
397 
399  error_message = G_ARRAY_NOT_DIMENSIONED_S;
400  break;
401 
403  error_message = G_CONNECTION_NOT_ESTABLISHED_S;
404  break;
405 
407  error_message = G_ILLEGAL_DATA_IN_PROGRAM_S;
408  break;
409 
411  error_message = G_UNABLE_TO_COMPRESS_PROGRAM_TO_FIT_S;
412  break;
413 
415  error_message = G_INVALID_PREPROCESSOR_OPTIONS_S;
416  break;
417 
419  error_message = G_BAD_RESPONSE_QUESTION_MARK_S;
420  break;
421 
422  case G_BAD_VALUE_RANGE:
423  error_message = G_BAD_VALUE_RANGE_S;
424  break;
425 
426  case G_BAD_FULL_MEMORY:
427  error_message = G_BAD_FULL_MEMORY_S;
428  break;
429 
430  case G_BAD_LOST_DATA:
431  error_message = G_BAD_LOST_DATA_S;
432  break;
433 
434  case G_BAD_FILE:
435  error_message = G_BAD_FILE_S;
436  break;
437 
438  case G_GCAPS_OPEN_ERROR:
439  error_message = G_GCAPS_OPEN_ERROR_S;
440  break;
441 
443  error_message = G_GCAPS_SUBSCRIPTION_ERROR_S;
444  break;
445 
446  default:
447  error_message = "internal error";
448  break;
449  }
450 
451  strncpy(error, error_message, error_len);
452  error[error_len - 1] = 0; //ensure null termination
453 }
void GCALL GSleep(unsigned int timeout_ms)
Uses GUtility() and G_UTIL_SLEEP to provide a blocking sleep call which can be useful for timing-base...
Definition: gclibo.c:20
#define G_CONNECTION_NOT_ESTABLISHED
Function was called with no connection.
Definition: gclib_errors.h:57
#define G_SMALL_BUFFER
Most reads from Galil are small. This value will easily hold most, e.g. TH, TZ, etc.
Definition: gclib.h:66
GReturn GCALL GInfo(GCon g, GCStringOut info, GSize info_len)
Uses GUtility() and G_UTIL_INFO to provide a useful connection string.
Definition: gclibo.c:45
unsigned int GSize
Size of buffers, etc.
Definition: gclib.h:72
#define G_UTIL_IPREQUEST
GUtility(), get a list of hardware requesting IPs.
Definition: gclib.h:50
#define G_UTIL_GCAPS_IPREQUEST
GUtility(), get a list of hardware requesting IPs from the gcaps server.
Definition: gclib.h:60
#define G_UTIL_PING
GUtility(), uses ICMP ping to determine if an IP address is reachable and assigned.
Definition: gclib.h:53
#define G_UNABLE_TO_COMPRESS_PROGRAM_TO_FIT
Program preprocessor could not compress the program within the user&#39;s constraints.
Definition: gclib_errors.h:63
GReturn GCALL GCmdT(GCon g, GCStringIn command, GCStringOut trimmed_response, GSize response_len, GCStringOut *front)
Wrapper around GCommand that trims the response.
Definition: gclibo.c:116
#define MAXPROG
Maximum size for a program.
Definition: gclibo.h:34
#define G_COMMAND_CALLED_WITH_ILLEGAL_COMMAND
GCommand() was called with an illegal command, e.g. ED, DL or QD.
Definition: gclib_errors.h:42
#define G_DATA_RECORD_ERROR
Data record error, e.g. DR attempted on serial connection.
Definition: gclib_errors.h:45
#define G_OPEN_ERROR
Device could not be opened. E.G. Serial port or PCI device already open.
Definition: gclib_errors.h:30
#define G_ILLEGAL_DATA_IN_PROGRAM
Data to download not valid, e.g. \ in data.
Definition: gclib_errors.h:60
GReturn GCALL GProgramUploadFile(GCon g, GCStringIn file_path)
Program upload to file.
Definition: gclibo.c:303
#define G_BAD_RESPONSE_QUESTION_MARK
Operation received a ?, indicating controller has a TC error.
Definition: gclib_errors.h:66
GCLIB_DLL_EXPORTED GReturn GCALL GUtility(GCon g, GOption request, GMemory memory1, GMemory memory2)
Provides read/write access to driver settings and convenience features based on the request variable...
#define G_ARRAY_NOT_DIMENSIONED
Array operation was called on an array that was not in the controller&#39;s array table, see LA command.
Definition: gclib_errors.h:54
#define G_TIMEOUT
Operation timed out. Timeout is set by the –timeout option in GOpen() and can be overriden by GSetti...
Definition: gclib_errors.h:27
#define G_GCAPS_SUBSCRIPTION_ERROR
GMessage(), GRecord(), GInterrupt() called on a connection without –subscribe switch.
Definition: gclib_errors.h:90
#define POLLINGINTERVAL
Interval, in milliseconds, for polling commands, e.g. GWaitForBool().
Definition: gclibo.h:36
GReturn GCALL GCmdI(GCon g, GCStringIn command, int *value)
Wrapper around GCommand that provides the return value of a command parsed into an int...
Definition: gclibo.c:151
#define G_GCLIB_UTILITY_ERROR
An invalid request value was specified to GUtility.
Definition: gclib_errors.h:15
GReturn GCALL GMotionComplete(GCon g, GCStringIn axes)
Blocking call that returns once all axes specified have completed their motion.
Definition: gclibo.c:173
#define G_UTIL_SLEEP
GUtility(), specify an interval to sleep.
Definition: gclib.h:48
#define G_GCAPS_OPEN_ERROR
gcaps connection couldn&#39;t open. Server is not running or is not reachable.
Definition: gclib_errors.h:87
#define G_UNSUPPORTED_FUNCTION
Function cannot be called on this bus. E.G. GInterrupt() on serial.
Definition: gclib_errors.h:48
GReturn GCALL GCmd(GCon g, GCStringIn command)
Wrapper around GCommand for use when the return value is not desired.
Definition: gclibo.c:110
#define G_GCLIB_ERROR
General library error. Indicates internal API caught an unexpected error. Contact Galil support if th...
Definition: gclib_errors.h:12
#define G_UTIL_ADDRESSES
GUtility(), get a list of available connections.
Definition: gclib.h:49
GReturn GCALL GVersion(GCStringOut ver, GSize ver_len)
Uses GUtility(), G_UTIL_VERSION and G_UTIL_GCAPS_VERSION to provide the library and gcaps version num...
Definition: gclibo.c:25
#define G_UTIL_INFO
GUtility(), get a connection info string.
Definition: gclib.h:47
#define G_LINE_BUFFER
For writes, via command interpreter, to the Galil.
Definition: gclib.h:68
void * GCon
Connection handle. Unique for each connection in process. Assigned a non-zero value in GOpen()...
Definition: gclib.h:71
#define G_UTIL_TIMEOUT_OVERRIDE
GUtility(), read/write access to timeout override.
Definition: gclib.h:44
GReturn GCALL GWaitForBool(GCon g, GCStringIn predicate, int trials)
Blocking call that returns when the controller evaluates the predicate as true.
Definition: gclibo.c:191
#define G_UTIL_GCAPS_VERSION
GUtility(), get the version of the gcaps server.
Definition: gclib.h:57
void GCALL GError(GReturn rc, GCStringOut error, GSize error_len)
Provides a human-readable description string for return codes.
Definition: gclibo.c:332
GCLIB_DLL_EXPORTED GReturn GCALL GProgramDownload(GCon g, GCStringIn program, GCStringIn preprocessor)
Downloads a program to the controller&#39;s program buffer.
#define G_READ_ERROR
Device read failed. E.G. Socket was closed by remote host. See G_UTIL_GCAPS_KEEPALIVE.
Definition: gclib_errors.h:33
GCLIB_DLL_EXPORTED GReturn GCALL GCommand(GCon g, GCStringIn command, GBufOut buffer, GSize buffer_len, GSize *bytes_returned)
Performs a command-and-response transaction on the connection.
#define G_BAD_FIRMWARE_LOAD
Bad firmware upgrade.
Definition: gclib_errors.h:84
GCLIB_DLL_EXPORTED GReturn GCALL GProgramUpload(GCon g, GBufOut buffer, GSize buffer_len)
Uploads a program from the controller&#39;s program buffer.
GReturn GCALL GTimeout(GCon g, short timeout_ms)
Uses GUtility() and G_UTIL_TIMEOUT_OVERRIDE to set the library timeout.
Definition: gclibo.c:61
int GReturn
Every function returns a value of type GReturn. See gclib_errors.h for possible values.
Definition: gclib.h:70
#define G_GCLIB_UTILITY_IP_TAKEN
The IP cannot be assigned because ping returned a reply.
Definition: gclib_errors.h:18
GReturn GCALL GIpRequests(GCStringOut requests, GSize requests_len)
Uses GUtility(), G_UTIL_GCAPS_IPREQUEST or G_UTIL_IPREQUEST to provide a list of all Galil controller...
Definition: gclibo.c:99
#define G_GCLIB_POLLING_FAILED
GWaitForBool out of polling trials.
Definition: gclib_errors.h:24
#define G_INVALID_PREPROCESSOR_OPTIONS
GProgramDownload was called with a bad preprocessor directive.
Definition: gclib_errors.h:39
#define G_BAD_LOST_DATA
Lost data, e.g. GCommand() response buffer was too small for the controller&#39;s response.
Definition: gclib_errors.h:75
#define G_UTIL_VERSION
GUtility(), get a library version string.
Definition: gclib.h:46
#define G_BAD_FULL_MEMORY
Not enough memory for an operation, e.g. all connections allowed for a process already taken...
Definition: gclib_errors.h:72
#define G_BAD_VALUE_RANGE
Bad value or range, e.g. GCon g variable passed to function was bad.
Definition: gclib_errors.h:69
#define G_WRITE_ERROR
Device write failed. E.G. Socket was closed by remote host. See G_UTIL_GCAPS_KEEPALIVE.
Definition: gclib_errors.h:36
const char * GCStringIn
C-string input to the library. Implies null-termination.
Definition: gclib.h:75
#define G_UTIL_GCAPS_PING
GUtility(), uses ICMP ping to determine if an IP address is reachable and assigned. Ping sent from the gcaps server.
Definition: gclib.h:62
#define G_NO_ERROR
Return value if function succeeded.
Definition: gclib_errors.h:9
#define G_GCLIB_NON_BLOCKING_READ_EMPTY
GMessage, GInterrupt, and GRecord can be called with a zero timeout. If there wasn&#39;t data waiting in ...
Definition: gclib_errors.h:21
GReturn GCALL GAssign(GCStringIn ip, GCStringIn mac)
Uses GUtility(), G_UTIL_GCAPS_ASSIGN or G_UTIL_ASSIGN to assign an IP address over the Ethernet to a ...
Definition: gclibo.c:66
#define G_FIRMWARE_LOAD_NOT_SUPPORTED
Firmware is not supported on this bus, e.g. Ethernet for the DMC-21x3 series.
Definition: gclib_errors.h:51
char * GCStringOut
C-string output from the library. Implies null-termination.
Definition: gclib.h:74
GReturn GCALL GAddresses(GCStringOut addresses, GSize addresses_len)
Uses GUtility(), G_UTIL_GCAPS_ADDRESSES or G_UTIL_ADDRESSES to provide a listing of all available con...
Definition: gclibo.c:50
GReturn GCALL GCmdD(GCon g, GCStringIn command, double *value)
Wrapper around GCommand that provides the return value of a command parsed into a double...
Definition: gclibo.c:162
#define GCALL
Specify calling convention for Windows.
Definition: gclib.h:24
#define G_UTIL_GCAPS_ADDRESSES
GUtility(), get a list of available connections from the gcaps server.
Definition: gclib.h:59
#define G_BAD_ADDRESS
Bad address.
Definition: gclib_errors.h:81
GReturn GCALL GProgramDownloadFile(GCon g, GCStringIn file_path, GCStringIn preprocessor)
Program download from file.
Definition: gclibo.c:260
GReturn GCALL GRecordRate(GCon g, double period_ms)
Sets the asynchronous data record to a user-specified period via DR.
Definition: gclibo.c:215
#define G_BAD_FILE
Bad file path, bad file contents, or bad write.
Definition: gclib_errors.h:78
#define G_UTIL_ASSIGN
GUtility(), assign IP addresses via Boot-P reply.
Definition: gclib.h:51
#define G_UTIL_GCAPS_ASSIGN
GUtility(), assign IP addresses via Boot-P reply from the gcaps server.
Definition: gclib.h:61