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silink.h File Reference
#include "singularconfig.h"
#include "omalloc/omalloc.h"
#include "kernel/structs.h"
#include "Singular/links/sing_dbm.h"
#include "Singular/lists.h"
#include "Singular/attrib.h"

Go to the source code of this file.

Data Structures

Macros

#define SI_LINK_CLOSE   0
 
#define SI_LINK_OPEN   1
 
#define SI_LINK_READ   2
 
#define SI_LINK_WRITE   4
 
#define SI_LINK_CLOSE_P(l)   (!(l)->flags)
 
#define SI_LINK_OPEN_P(l)   ((l)->flags & SI_LINK_OPEN)
 
#define SI_LINK_W_OPEN_P(l)   ((l)->flags & SI_LINK_WRITE)
 
#define SI_LINK_R_OPEN_P(l)   ((l)->flags & SI_LINK_READ)
 
#define SI_LINK_RW_OPEN_P(l)   (SI_LINK_W_OPEN_P(l) && SI_LINK_R_OPEN_P(l))
 
#define SI_LINK_SET_CLOSE_P(l)   ((l)->flags = SI_LINK_CLOSE)
 
#define SI_LINK_SET_OPEN_P(l, flag)   ((l)->flags |= SI_LINK_OPEN |flag)
 
#define SI_LINK_SET_W_OPEN_P(l)   ((l)->flags |= (SI_LINK_OPEN | SI_LINK_WRITE))
 
#define SI_LINK_SET_R_OPEN_P(l)   ((l)->flags |= (SI_LINK_OPEN | SI_LINK_READ))
 
#define SI_LINK_SET_RW_OPEN_P(l)   ((l)->flags |= (SI_LINK_OPEN | SI_LINK_READ | SI_LINK_WRITE))
 

Typedefs

typedef ip_link * si_link
 
typedef BOOLEAN(* slOpenProc) (si_link l, short flag, leftv h)
 
typedef BOOLEAN(* slWriteProc) (si_link l, leftv lv)
 
typedef BOOLEAN(* slCloseProc) (si_link l)
 
typedef BOOLEAN(* slPrepCloseProc) (si_link l)
 
typedef BOOLEAN(* slKillProc) (si_link l)
 
typedef leftv(* slReadProc) (si_link l)
 
typedef leftv(* slRead2Proc) (si_link l, leftv a)
 
typedef BOOLEAN(* slDumpProc) (si_link l)
 
typedef BOOLEAN(* slGetDumpProc) (si_link l)
 
typedef const char *(* slStatusProc) (si_link l, const char *request)
 
typedef BOOLEAN(* slSetRingProc) (si_link l, ring r, BOOLEAN send)
 
typedef link_structlink_list
 

Functions

BOOLEAN slOpen (si_link l, short flag, leftv h)
 
BOOLEAN slClose (si_link l)
 
BOOLEAN slPrepClose (si_link l)
 
leftv slRead (si_link l, leftv a=NULL)
 
BOOLEAN slWrite (si_link l, leftv v)
 
BOOLEAN slDump (si_link l)
 
BOOLEAN slGetDump (si_link l)
 
const char * slStatus (si_link l, const char *request)
 
BOOLEAN slInit (si_link l, char *str)
 
void slKill (si_link l)
 
void slCleanUp (si_link l)
 
void slStandardInit ()
 
static si_link slCopy (si_link l)
 
static char * slString (si_link l)
 
int slStatusSsiL (lists L, int timeout)
 
int ssiBatch (const char *host, const char *port)
 

Variables

EXTERN_VAR omBin s_si_link_extension_bin
 
EXTERN_VAR omBin sip_link_bin
 
EXTERN_VAR omBin ip_link_bin
 
EXTERN_VAR link_list ssiToBeClosed
 
EXTERN_VAR volatile BOOLEAN ssiToBeClosed_inactive
 

Data Structure Documentation

◆ s_si_link_extension

struct s_si_link_extension

Definition at line 36 of file silink.h.

Data Fields
slCloseProc Close
slDumpProc Dump
slGetDumpProc GetDump
slKillProc Kill
si_link_extension next
slOpenProc Open
slPrepCloseProc PrepClose
slReadProc Read
slRead2Proc Read2
slSetRingProc SetRing
slStatusProc Status
const char * type
slWriteProc Write

◆ sip_link

struct sip_link

Definition at line 53 of file silink.h.

Data Fields
void * data
BITSET flags
si_link_extension m
char * mode
char * name
short ref

◆ link_struct

struct link_struct

Definition at line 121 of file silink.h.

Data Fields
si_link l
void * next
leftv u

Macro Definition Documentation

◆ SI_LINK_CLOSE

#define SI_LINK_CLOSE   0

Definition at line 64 of file silink.h.

◆ SI_LINK_CLOSE_P

#define SI_LINK_CLOSE_P (   l)    (!(l)->flags)

Definition at line 70 of file silink.h.

◆ SI_LINK_OPEN

#define SI_LINK_OPEN   1

Definition at line 65 of file silink.h.

◆ SI_LINK_OPEN_P

#define SI_LINK_OPEN_P (   l)    ((l)->flags & SI_LINK_OPEN)

Definition at line 71 of file silink.h.

◆ SI_LINK_R_OPEN_P

#define SI_LINK_R_OPEN_P (   l)    ((l)->flags & SI_LINK_READ)

Definition at line 73 of file silink.h.

◆ SI_LINK_READ

#define SI_LINK_READ   2

Definition at line 66 of file silink.h.

◆ SI_LINK_RW_OPEN_P

#define SI_LINK_RW_OPEN_P (   l)    (SI_LINK_W_OPEN_P(l) && SI_LINK_R_OPEN_P(l))

Definition at line 74 of file silink.h.

◆ SI_LINK_SET_CLOSE_P

#define SI_LINK_SET_CLOSE_P (   l)    ((l)->flags = SI_LINK_CLOSE)

Definition at line 76 of file silink.h.

◆ SI_LINK_SET_OPEN_P

#define SI_LINK_SET_OPEN_P (   l,
  flag 
)    ((l)->flags |= SI_LINK_OPEN |flag)

Definition at line 77 of file silink.h.

◆ SI_LINK_SET_R_OPEN_P

#define SI_LINK_SET_R_OPEN_P (   l)    ((l)->flags |= (SI_LINK_OPEN | SI_LINK_READ))

Definition at line 79 of file silink.h.

◆ SI_LINK_SET_RW_OPEN_P

#define SI_LINK_SET_RW_OPEN_P (   l)    ((l)->flags |= (SI_LINK_OPEN | SI_LINK_READ | SI_LINK_WRITE))

Definition at line 80 of file silink.h.

◆ SI_LINK_SET_W_OPEN_P

#define SI_LINK_SET_W_OPEN_P (   l)    ((l)->flags |= (SI_LINK_OPEN | SI_LINK_WRITE))

Definition at line 78 of file silink.h.

◆ SI_LINK_W_OPEN_P

#define SI_LINK_W_OPEN_P (   l)    ((l)->flags & SI_LINK_WRITE)

Definition at line 72 of file silink.h.

◆ SI_LINK_WRITE

#define SI_LINK_WRITE   4

Definition at line 67 of file silink.h.

Typedef Documentation

◆ link_list

Definition at line 128 of file silink.h.

◆ si_link

typedef ip_link* si_link

Definition at line 20 of file silink.h.

◆ slCloseProc

typedef BOOLEAN(* slCloseProc) (si_link l)

Definition at line 26 of file silink.h.

◆ slDumpProc

typedef BOOLEAN(* slDumpProc) (si_link l)

Definition at line 31 of file silink.h.

◆ slGetDumpProc

typedef BOOLEAN(* slGetDumpProc) (si_link l)

Definition at line 32 of file silink.h.

◆ slKillProc

typedef BOOLEAN(* slKillProc) (si_link l)

Definition at line 28 of file silink.h.

◆ slOpenProc

typedef BOOLEAN(* slOpenProc) (si_link l, short flag, leftv h)

Definition at line 24 of file silink.h.

◆ slPrepCloseProc

typedef BOOLEAN(* slPrepCloseProc) (si_link l)

Definition at line 27 of file silink.h.

◆ slRead2Proc

typedef leftv(* slRead2Proc) (si_link l, leftv a)

Definition at line 30 of file silink.h.

◆ slReadProc

typedef leftv(* slReadProc) (si_link l)

Definition at line 29 of file silink.h.

◆ slSetRingProc

typedef BOOLEAN(* slSetRingProc) (si_link l, ring r, BOOLEAN send)

Definition at line 34 of file silink.h.

◆ slStatusProc

typedef const char*(* slStatusProc) (si_link l, const char *request)

Definition at line 33 of file silink.h.

◆ slWriteProc

typedef BOOLEAN(* slWriteProc) (si_link l, leftv lv)

Definition at line 25 of file silink.h.

Function Documentation

◆ slCleanUp()

void slCleanUp ( si_link  l)

Definition at line 126 of file silink.cc.

127 {
128  defer_shutdown++;
129  (l->ref)--;
130  if (l->ref == 0)
131  {
132  if (SI_LINK_OPEN_P(l))
133  {
134  if (l->m->Close != NULL) l->m->Close(l);
135  }
136  if ((l->data != NULL) && (l->m->Kill != NULL)) l->m->Kill(l);
137  omFree((ADDRESS)l->name);
138  omFree((ADDRESS)l->mode);
139  memset((void *) l, 0, sizeof(ip_link));
140  }
141  defer_shutdown--;
142  if (!defer_shutdown && do_shutdown) m2_end(1);
143 }
void * ADDRESS
Definition: auxiliary.h:119
int l
Definition: cfEzgcd.cc:100
VAR volatile BOOLEAN do_shutdown
Definition: cntrlc.cc:82
VAR volatile int defer_shutdown
Definition: cntrlc.cc:83
void m2_end(int i)
Definition: misc_ip.cc:1096
#define omFree(addr)
Definition: omAllocDecl.h:261
#define NULL
Definition: omList.c:12

◆ slClose()

BOOLEAN slClose ( si_link  l)

Definition at line 241 of file silink.cc.

242 {
243 
244  if(! SI_LINK_OPEN_P(l))
245  return FALSE;
246 
247  defer_shutdown++;
248  BOOLEAN res = TRUE;
249  if (l->m->Close != NULL)
250  {
251  res = l->m->Close(l);
252  if (res)
253  Werror("close: Error for link of type: %s, mode: %s, name: %s",
254  l->m->type, l->mode, l->name);
255  }
256  defer_shutdown--;
257  if (!defer_shutdown && do_shutdown) m2_end(1);
259  return res;
260 }
int BOOLEAN
Definition: auxiliary.h:87
#define TRUE
Definition: auxiliary.h:100
#define FALSE
Definition: auxiliary.h:96
CanonicalForm res
Definition: facAbsFact.cc:60
void Werror(const char *fmt,...)
Definition: reporter.cc:189

◆ slCopy()

static si_link slCopy ( si_link  l)
inlinestatic

Definition at line 94 of file silink.h.

95 {
96  l->ref++;
97  return l;
98 }

◆ slDump()

BOOLEAN slDump ( si_link  l)

Definition at line 345 of file silink.cc.

346 {
347  BOOLEAN res;
348 
349  if(! SI_LINK_W_OPEN_P(l)) // open w ?
350  {
351  if (slOpen(l, SI_LINK_WRITE,NULL)) return TRUE;
352  }
353 
354  if(SI_LINK_W_OPEN_P(l))
355  { // now open w
356  if (l->m->Dump != NULL)
357  res = l->m->Dump(l);
358  else
359  res = TRUE;
360 
361  if (res)
362  Werror("dump: Error for link of type %s, mode: %s, name: %s",
363  l->m->type, l->mode, l->name);
364  if (!SI_LINK_R_OPEN_P(l)) slClose(l); // do not close r/w links
365  return res;
366  }
367  else
368  {
369  Werror("dump: Error to open link of type %s, mode: %s, name: %s for writing",
370  l->m->type, l->mode, l->name);
371  return TRUE;
372  }
373 }

◆ slGetDump()

BOOLEAN slGetDump ( si_link  l)

Definition at line 375 of file silink.cc.

376 {
377  BOOLEAN res;
378 
379  if(! SI_LINK_R_OPEN_P(l)) // open r ?
380  {
381  if (slOpen(l, SI_LINK_READ,NULL)) return TRUE;
382  }
383 
384  if(SI_LINK_R_OPEN_P(l))
385  { // now open r
386  if (l->m->GetDump != NULL)
387  res = l->m->GetDump(l);
388  else
389  res = TRUE;
390 
391  if (res)
392  Werror("getdump: Error for link of type %s, mode: %s, name: %s",
393  l->m->type, l->mode, l->name);
394  //res|=slClose(l);
395  return res;
396  }
397  else
398  {
399  Werror("dump: Error open link of type %s, mode: %s, name: %s for reading",
400  l->m->type, l->mode, l->name);
401  return TRUE;
402  }
403 }

◆ slInit()

BOOLEAN slInit ( si_link  l,
char *  str 
)

Definition at line 47 of file silink.cc.

48 {
49  char *type = NULL, *mode = NULL, *name = NULL;
50  int i = 0, j;
51 
52  // set mode and type
53  if (istr != NULL)
54  {
55  // find the first colon char in istr
56  i = 0;
57  while (istr[i] != ':' && istr[i] != '\0') i++;
58  if (istr[i] == ':')
59  {
60  // if found, set type
61  if (i > 0)
62  {
63  istr[i] = '\0';
64  type = omStrDup(istr);
65  istr[i] = ':';
66  }
67  // and check for mode
68  j = ++i;
69  while (istr[j] != ' ' && istr[j] != '\0') j++;
70  if (j > i)
71  {
72  mode = omStrDup(&(istr[i]));
73  mode[j - i] = '\0';
74  }
75  // and for the name
76  while (istr[j] == ' '&& istr[j] != '\0') j++;
77  if (istr[j] != '\0') name = omStrDup(&(istr[j]));
78  }
79  else // no colon find -- string is entire name
80  {
81  j=0;
82  while (istr[j] == ' '&& istr[j] != '\0') j++;
83  if (istr[j] != '\0') name = omStrDup(&(istr[j]));
84  }
85  }
86 
87  // set the link extension
88  if (type != NULL)
89  {
90  si_link_extension s = si_link_root;
91  si_link_extension prev = s;
92 
93  while (strcmp(s->type, type) != 0)
94  {
95  if (s->next == NULL)
96  {
97  prev = s;
98  s = NULL;
99  break;
100  }
101  else
102  {
103  s = s->next;
104  }
105  }
106 
107  if (s != NULL)
108  l->m = s;
109  else
110  {
111  l->m = slTypeInit(prev, type);
112  }
113  omFree(type);
114  }
115  else
116  l->m = si_link_root;
117 
118  if (l->m == NULL) return TRUE;
119 
120  l->name = (name != NULL ? name : omStrDup(""));
121  l->mode = (mode != NULL ? mode : omStrDup(""));
122  l->ref = 1;
123  return FALSE;
124 }
int i
Definition: cfEzgcd.cc:132
const CanonicalForm int s
Definition: facAbsFact.cc:51
int j
Definition: facHensel.cc:110
char name(const Variable &v)
Definition: factory.h:196
#define omStrDup(s)
Definition: omAllocDecl.h:263

◆ slKill()

void slKill ( si_link  l)

Definition at line 145 of file silink.cc.

146 {
147  defer_shutdown++;
148  slCleanUp(l);
149  if ((l!=NULL) &&(l->ref == 0))
151  defer_shutdown--;
152  if (!defer_shutdown && do_shutdown) m2_end(1);
153 }
#define omFreeBin(addr, bin)
Definition: omAllocDecl.h:259

◆ slOpen()

BOOLEAN slOpen ( si_link  l,
short  flag,
leftv  h 
)

Definition at line 193 of file silink.cc.

194 {
195  BOOLEAN res = TRUE;
196  if (l!=NULL)
197  {
198 
199  if (l->m == NULL) slInit(l, ((char*)""));
200 
201  if (feOptValue(FE_OPT_NO_SHELL)) {WerrorS("no links allowed");return TRUE;}
202 
203  const char *c="_";;
204  if (h!=NULL) c=h->Name();
205 
206  if (SI_LINK_OPEN_P(l))
207  {
208  Warn("open: link of type: %s, mode: %s, name: %s is already open",
209  l->m->type, l->mode, l->name);
210  return FALSE;
211  }
212  else if (l->m->Open != NULL)
213  {
214  res = l->m->Open(l, flag, h);
215  if (res)
216  Werror("open: Error for link %s of type: %s, mode: %s, name: %s",
217  c, l->m->type, l->mode, l->name);
218  }
219  if (l->m->SetRing==NULL) l->m->SetRing=slSetRingDummy;
220  }
221  return res;
222 }
#define Warn
Definition: emacs.cc:77
void WerrorS(const char *s)
Definition: feFopen.cc:24
static void * feOptValue(feOptIndex opt)
Definition: feOpt.h:40
STATIC_VAR Poly * h
Definition: janet.cc:971

◆ slPrepClose()

BOOLEAN slPrepClose ( si_link  l)

Definition at line 224 of file silink.cc.

225 {
226 
227  if(! SI_LINK_OPEN_P(l))
228  return FALSE;
229 
230  BOOLEAN res = TRUE;
231  if (l->m->PrepClose != NULL)
232  {
233  res = l->m->PrepClose(l);
234  if (res)
235  Werror("close: Error for link of type: %s, mode: %s, name: %s",
236  l->m->type, l->mode, l->name);
237  }
238  return res;
239 }

◆ slRead()

leftv slRead ( si_link  l,
leftv  a = NULL 
)

Definition at line 262 of file silink.cc.

263 {
264  leftv v = NULL;
265  if( ! SI_LINK_R_OPEN_P(l)) // open r ?
266  {
267 #ifdef HAVE_DBM
268 #ifdef USE_GDBM
269  if (! SI_LINK_CLOSE_P(l))
270  {
271  if (slClose(l)) return NULL;
272  }
273 #endif
274 #endif
275  if (slOpen(l, SI_LINK_READ,NULL)) return NULL;
276  }
277 
278  if (SI_LINK_R_OPEN_P(l))
279  { // open r
280  if (a==NULL)
281  {
282  if (l->m->Read != NULL) v = l->m->Read(l);
283  }
284  else
285  {
286  if (l->m->Read2 != NULL) v = l->m->Read2(l,a);
287  }
288  }
289  else
290  {
291  Werror("read: Error to open link of type %s, mode: %s, name: %s for reading",
292  l->m->type, l->mode, l->name);
293  return NULL;
294  }
295 
296  // here comes the eval:
297  if (v != NULL)
298  {
299  if (v->Eval() && !errorreported)
300  WerrorS("eval: failed");
301  }
302  else
303  Werror("read: Error for link of type %s, mode: %s, name: %s",
304  l->m->type, l->mode, l->name);
305  return v;
306 }
Class used for (list of) interpreter objects.
Definition: subexpr.h:83
const Variable & v
< [in] a sqrfree bivariate poly
Definition: facBivar.h:39
VAR short errorreported
Definition: feFopen.cc:23

◆ slStandardInit()

void slStandardInit ( )

Definition at line 616 of file asciiLink.cc.

617 {
618  si_link_extension s;
621  si_link_root->Close=slCloseAscii;
622  si_link_root->Kill=NULL;
624  si_link_root->Read2=slReadAscii2;
625  si_link_root->Write=slWriteAscii;
627  si_link_root->GetDump=slGetDumpAscii;
628  si_link_root->Status=slStatusAscii;
629  si_link_root->type="ASCII";
630  s = si_link_root;
631  s->next = NULL;
632 }
#define omAlloc0Bin(bin)
Definition: omAllocDecl.h:206

◆ slStatus()

const char* slStatus ( si_link  l,
const char *  request 
)

Definition at line 155 of file silink.cc.

156 {
157  if (l == NULL) return "empty link";
158  else if (l->m == NULL) return "unknown link type";
159  else if (strcmp(request, "type") == 0) return l->m->type;
160  else if (strcmp(request, "mode") == 0) return l->mode;
161  else if (strcmp(request, "name") == 0) return l->name;
162  else if (strcmp(request, "exists") ==0)
163  {
164  struct stat buf;
165  if (si_lstat(l->name,&buf)==0) return "yes";
166  else return "no";
167  }
168  else if (strcmp(request, "open") == 0)
169  {
170  if (SI_LINK_OPEN_P(l)) return "yes";
171  else return "no";
172  }
173  else if (strcmp(request, "openread") == 0)
174  {
175  if (SI_LINK_R_OPEN_P(l)) return "yes";
176  else return "no";
177  }
178  else if (strcmp(request, "openwrite") == 0)
179  {
180  if (SI_LINK_W_OPEN_P(l)) return "yes";
181  else return "no";
182  }
183  else if (l->m->Status == NULL) return "unknown status request";
184  else return l->m->Status(l, request);
185 }
int status int void * buf
Definition: si_signals.h:59

◆ slStatusSsiL()

int slStatusSsiL ( lists  L,
int  timeout 
)

Definition at line 1826 of file ssiLink.cc.

1827 {
1828 // input: L: a list with links of type
1829 // ssi-connect, ssi-fork, ssi-tcp, MPtcp-fork or MPtcp-launch.
1830 // Note: Not every entry in L must be set.
1831 // timeout: timeout for select in micro-seconds
1832 // or -1 for infinity
1833 // or 0 for polling
1834 // returns: ERROR (via Werror): L has wrong elements or link not open
1835 // -2: select returns an error
1836 // -1: the read state of all links is eof
1837 // 0: timeout (or polling): none ready,
1838 // i>0: (at least) L[i] is ready
1839  si_link l;
1840  ssiInfo *d;
1841  int d_fd;
1842  fd_set mask, fdmask;
1843  FD_ZERO(&fdmask);
1844  FD_ZERO(&mask);
1845  int max_fd=0; /* 1 + max fd in fd_set */
1846 
1847  /* timeout */
1848  struct timeval wt;
1849  struct timeval *wt_ptr=&wt;
1850  int startingtime = getRTimer()/TIMER_RESOLUTION; // in seconds
1851  if (timeout== -1)
1852  {
1853  wt_ptr=NULL;
1854  }
1855  else
1856  {
1857  wt.tv_sec = timeout / 1000000;
1858  wt.tv_usec = timeout % 1000000;
1859  }
1860 
1861  /* auxiliary variables */
1862  int i;
1863  int j;
1864  int k;
1865  int s;
1866  char fdmaskempty;
1867 
1868  /* check the links and fill in fdmask */
1869  /* check ssi links for ungetc_buf */
1870  for(i=L->nr; i>=0; i--)
1871  {
1872  if (L->m[i].Typ()!=DEF_CMD)
1873  {
1874  if (L->m[i].Typ()!=LINK_CMD)
1875  { WerrorS("all elements must be of type link"); return -2;}
1876  l=(si_link)L->m[i].Data();
1877  if(SI_LINK_OPEN_P(l)==0)
1878  { WerrorS("all links must be open"); return -2;}
1879  if (((strcmp(l->m->type,"ssi")!=0) && (strcmp(l->m->type,"MPtcp")!=0))
1880  || ((strcmp(l->mode,"fork")!=0) && (strcmp(l->mode,"tcp")!=0)
1881  && (strcmp(l->mode,"launch")!=0) && (strcmp(l->mode,"connect")!=0)))
1882  {
1883  WerrorS("all links must be of type ssi:fork, ssi:tcp, ssi:connect");
1884  return -2;
1885  }
1886  if (strcmp(l->m->type,"ssi")==0)
1887  {
1888  d=(ssiInfo*)l->data;
1889  d_fd=d->fd_read;
1890  if (!s_isready(d->f_read))
1891  {
1892  FD_SET(d_fd, &fdmask);
1893  if (d_fd > max_fd) max_fd=d_fd;
1894  }
1895  else
1896  return i+1;
1897  }
1898  else
1899  {
1900  Werror("wrong link type >>%s<<",l->m->type);
1901  return -2;
1902  }
1903  }
1904  }
1905  max_fd++;
1906 
1907 do_select:
1908  /* copy fdmask to mask */
1909  FD_ZERO(&mask);
1910  for(k = 0; k < max_fd; k++)
1911  {
1912  if(FD_ISSET(k, &fdmask))
1913  {
1914  FD_SET(k, &mask);
1915  }
1916  }
1917 
1918  /* check with select: chars waiting: no -> not ready */
1919  s = si_select(max_fd, &mask, NULL, NULL, wt_ptr);
1920  if (s==-1)
1921  {
1922  WerrorS("error in select call");
1923  return -2; /*error*/
1924  }
1925  if (s==0)
1926  {
1927  return 0; /*poll: not ready */
1928  }
1929  else /* s>0, at least one ready (the number of fd which are ready is s)*/
1930  {
1931  j=0;
1932  while (j<=max_fd) { if (FD_ISSET(j,&mask)) break; j++; }
1933  for(i=L->nr; i>=0; i--)
1934  {
1935  if (L->m[i].rtyp==LINK_CMD)
1936  {
1937  l=(si_link)L->m[i].Data();
1938  if (strcmp(l->m->type,"ssi")==0)
1939  {
1940  d=(ssiInfo*)l->data;
1941  d_fd=d->fd_read;
1942  if(j==d_fd) break;
1943  }
1944  else
1945  {
1946  Werror("wrong link type >>%s<<",l->m->type);
1947  return -2;
1948  }
1949  }
1950  }
1951  // only ssi links:
1952  loop
1953  {
1954  /* yes: read 1 char*/
1955  /* if \n, check again with select else ungetc(c), ready*/
1956  /* setting: d: current ssiInfo, j current fd, i current entry in L*/
1957  int c=s_getc(d->f_read);
1958  //Print("try c=%d\n",c);
1959  if (c== -1) /* eof */
1960  {
1961  FD_CLR(j,&fdmask);
1962  fdmaskempty = 1;
1963  for(k = 0; k < max_fd; k++)
1964  {
1965  if(FD_ISSET(k, &fdmask))
1966  {
1967  fdmaskempty = 0;
1968  break;
1969  }
1970  }
1971  if(fdmaskempty)
1972  {
1973  return -1;
1974  }
1975  if(timeout != -1)
1976  {
1977  timeout = si_max(0,
1978  timeout - 1000000*(getRTimer()/TIMER_RESOLUTION - startingtime));
1979  wt.tv_sec = timeout / 1000000;
1980  wt.tv_usec = (timeout % 1000000);
1981  }
1982  goto do_select;
1983  }
1984 
1985  else if (isdigit(c))
1986  { s_ungetc(c,d->f_read); return i+1; }
1987  else if (c>' ')
1988  {
1989  Werror("unknown char in ssiLink(%d)",c);
1990  return -2;
1991  }
1992  /* else: next char */
1993  goto do_select;
1994  }
1995  }
1996 }
static int si_max(const int a, const int b)
Definition: auxiliary.h:124
int k
Definition: cfEzgcd.cc:99
int Typ()
Definition: subexpr.cc:1011
int rtyp
Definition: subexpr.h:91
void * Data()
Definition: subexpr.cc:1154
sleftv * m
Definition: lists.h:46
int nr
Definition: lists.h:44
if(yy_init)
Definition: libparse.cc:1420
#define TIMER_RESOLUTION
Definition: mod2.h:34
int s_getc(s_buff F)
Definition: s_buff.cc:58
int s_isready(s_buff F)
Definition: s_buff.cc:85
void s_ungetc(int c, s_buff F)
Definition: s_buff.cc:99
s_buff f_read
Definition: s_buff.h:22
int fd_read
Definition: s_buff.h:26
Definition: s_buff.h:21
#define loop
Definition: structs.h:80
int getRTimer()
Definition: timer.cc:170
@ DEF_CMD
Definition: tok.h:58
@ LINK_CMD
Definition: tok.h:117

◆ slString()

static char* slString ( si_link  l)
inlinestatic

Definition at line 101 of file silink.h.

102 {
103  if (l->name != NULL)
104  {
105  return omStrDup(l->name);
106  }
107  else
108  {
109  return omStrDup("");
110  }
111 }

◆ slWrite()

BOOLEAN slWrite ( si_link  l,
leftv  v 
)

Definition at line 308 of file silink.cc.

309 {
310  BOOLEAN res;
311 
312  if(! SI_LINK_W_OPEN_P(l)) // open w ?
313  {
314 #ifdef HAVE_DBM
315 #ifdef USE_GDBM
316  if (! SI_LINK_CLOSE_P(l))
317  {
318  if (slClose(l)) return TRUE;
319  }
320 #endif
321 #endif
322  if (slOpen(l, SI_LINK_WRITE,NULL)) return TRUE;
323  }
324 
325  if (SI_LINK_W_OPEN_P(l))
326  { // now open w
327  if (l->m->Write != NULL)
328  res = l->m->Write(l,v);
329  else
330  res = TRUE;
331 
332  if (res)
333  Werror("write: Error for link of type %s, mode: %s, name: %s",
334  l->m->type, l->mode, l->name);
335  return res;
336  }
337  else
338  {
339  Werror("write: Error to open link of type %s, mode: %s, name: %s for writing",
340  l->m->type, l->mode, l->name);
341  return TRUE;
342  }
343 }

◆ ssiBatch()

int ssiBatch ( const char *  host,
const char *  port 
)

Definition at line 1998 of file ssiLink.cc.

2000 {
2002  char *buf=(char*)omAlloc(256);
2003  sprintf(buf,"ssi:connect %s:%s",host,port);
2004  slInit(l, buf);
2005  omFreeSize(buf,256);
2006  if (slOpen(l,SI_LINK_OPEN,NULL)) return 1;
2008 
2009  idhdl id = enterid("link_ll", 0, LINK_CMD, &IDROOT, FALSE);
2010  IDLINK(id) = l;
2011 
2012  loop
2013  {
2014  leftv h=ssiRead1(l); /*contains an exit.... */
2015  if (feErrors != NULL && *feErrors != '\0')
2016  {
2017  // handle errors:
2018  PrintS(feErrors); /* currently quite simple */
2019  *feErrors = '\0';
2020  }
2021  ssiWrite(l,h);
2022  h->CleanUp();
2024  }
2025  /* never reached*/
2026  exit(0);
2027 }
Definition: idrec.h:35
idhdl enterid(const char *s, int lev, int t, idhdl *root, BOOLEAN init, BOOLEAN search)
Definition: ipid.cc:278
EXTERN_VAR omBin sleftv_bin
Definition: ipid.h:145
#define IDLINK(a)
Definition: ipid.h:138
#define IDROOT
Definition: ipid.h:19
#define omFreeSize(addr, size)
Definition: omAllocDecl.h:260
#define omAlloc(size)
Definition: omAllocDecl.h:210
void PrintS(const char *s)
Definition: reporter.cc:284
VAR char * feErrors
Definition: reporter.cc:47

Variable Documentation

◆ ip_link_bin

EXTERN_VAR omBin ip_link_bin

Definition at line 115 of file silink.h.

◆ s_si_link_extension_bin

EXTERN_VAR omBin s_si_link_extension_bin

Definition at line 113 of file silink.h.

◆ sip_link_bin

EXTERN_VAR omBin sip_link_bin

Definition at line 114 of file silink.h.

◆ ssiToBeClosed

EXTERN_VAR link_list ssiToBeClosed

Definition at line 130 of file silink.h.

◆ ssiToBeClosed_inactive

EXTERN_VAR volatile BOOLEAN ssiToBeClosed_inactive

Definition at line 131 of file silink.h.