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Data Structures | Macros | Typedefs | Functions | Variables
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_linksi_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 charslStatus (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 charslString (si_link l)
 
int slStatusSsiL (lists L, int timeout, BOOLEAN *ignore=NULL)
 
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

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 127 of file silink.cc.

128{
130 (l->ref)--;
131 if (l->ref == 0)
132 {
133 if (SI_LINK_OPEN_P(l))
134 {
135 if (l->m->Close != NULL) l->m->Close(l);
136 }
137 if ((l->data != NULL) && (l->m->Kill != NULL)) l->m->Kill(l);
138 omFree((ADDRESS)l->name);
139 omFree((ADDRESS)l->mode);
140 memset((void *) l, 0, sizeof(ip_link));
141 }
144}
int l
Definition cfEzgcd.cc:100
VAR volatile BOOLEAN do_shutdown
Definition cntrlc.cc:74
VAR volatile int defer_shutdown
Definition cntrlc.cc:75
void m2_end(int i)
Definition misc_ip.cc:1100
#define omFree(addr)
#define NULL
Definition omList.c:12

◆ slClose()

BOOLEAN slClose ( si_link  l)

Definition at line 242 of file silink.cc.

243{
244
245 if(! SI_LINK_OPEN_P(l))
246 return FALSE;
247
249 BOOLEAN res = TRUE;
250 if (l->m->Close != NULL)
251 {
252 res = l->m->Close(l);
253 if (res)
254 Werror("close: Error for link of type: %s, mode: %s, name: %s",
255 l->m->type, l->mode, l->name);
256 }
260 return res;
261}
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 346 of file silink.cc.

347{
348 BOOLEAN res;
349
350 if(! SI_LINK_W_OPEN_P(l)) // open w ?
351 {
352 if (slOpen(l, SI_LINK_WRITE,NULL)) return TRUE;
353 }
354
356 { // now open w
357 if (l->m->Dump != NULL)
358 res = l->m->Dump(l);
359 else
360 res = TRUE;
361
362 if (res)
363 Werror("dump: Error for link of type %s, mode: %s, name: %s",
364 l->m->type, l->mode, l->name);
365 if (!SI_LINK_R_OPEN_P(l)) slClose(l); // do not close r/w links
366 return res;
367 }
368 else
369 {
370 Werror("dump: Error to open link of type %s, mode: %s, name: %s for writing",
371 l->m->type, l->mode, l->name);
372 return TRUE;
373 }
374}

◆ slGetDump()

BOOLEAN slGetDump ( si_link  l)

Definition at line 376 of file silink.cc.

377{
378 BOOLEAN res;
379
380 if(! SI_LINK_R_OPEN_P(l)) // open r ?
381 {
382 if (slOpen(l, SI_LINK_READ,NULL)) return TRUE;
383 }
384
386 { // now open r
387 if (l->m->GetDump != NULL)
388 res = l->m->GetDump(l);
389 else
390 res = TRUE;
391
392 if (res)
393 Werror("getdump: Error for link of type %s, mode: %s, name: %s",
394 l->m->type, l->mode, l->name);
395 //res|=slClose(l);
396 return res;
397 }
398 else
399 {
400 Werror("dump: Error open link of type %s, mode: %s, name: %s for reading",
401 l->m->type, l->mode, l->name);
402 return TRUE;
403 }
404}

◆ slInit()

BOOLEAN slInit ( si_link  l,
char str 
)

Definition at line 48 of file silink.cc.

49{
50 char *type = NULL, *mode = NULL, *name = NULL;
51 int i = 0, j;
52
53 // set mode and type
54 if (istr != NULL)
55 {
56 // find the first colon char in istr
57 i = 0;
58 while (istr[i] != ':' && istr[i] != '\0') i++;
59 if (istr[i] == ':')
60 {
61 // if found, set type
62 if (i > 0)
63 {
64 istr[i] = '\0';
65 type = omStrDup(istr);
66 istr[i] = ':';
67 }
68 // and check for mode
69 j = ++i;
70 while (istr[j] != ' ' && istr[j] != '\0') j++;
71 if (j > i)
72 {
73 mode = omStrDup(&(istr[i]));
74 mode[j - i] = '\0';
75 }
76 // and for the name
77 while (istr[j] == ' '&& istr[j] != '\0') j++;
78 if (istr[j] != '\0') name = omStrDup(&(istr[j]));
79 }
80 else // no colon find -- string is entire name
81 {
82 j=0;
83 while (istr[j] == ' '&& istr[j] != '\0') j++;
84 if (istr[j] != '\0') name = omStrDup(&(istr[j]));
85 }
86 }
87
88 // set the link extension
89 if (type != NULL)
90 {
92 si_link_extension prev = s;
93
94 while (strcmp(s->type, type) != 0)
95 {
96 if (s->next == NULL)
97 {
98 prev = s;
99 s = NULL;
100 break;
101 }
102 else
103 {
104 s = s->next;
105 }
106 }
107
108 if (s != NULL)
109 l->m = s;
110 else
111 {
112 l->m = slTypeInit(prev, type);
113 }
114 omFree(type);
115 }
116 else
117 l->m = si_link_root;
118
119 if (l->m == NULL) return TRUE;
120
121 l->name = (name != NULL ? name : omStrDup(""));
122 l->mode = (mode != NULL ? mode : omStrDup(""));
123 l->ref = 1;
124 return FALSE;
125}
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:189
#define omStrDup(s)

◆ slKill()

void slKill ( si_link  l)

Definition at line 146 of file silink.cc.

147{
149 slCleanUp(l);
150 if ((l!=NULL) &&(l->ref == 0))
154}
#define omFreeBin(addr, bin)

◆ slOpen()

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

Definition at line 194 of file silink.cc.

195{
196 BOOLEAN res = TRUE;
197 if (l!=NULL)
198 {
199
200 if (l->m == NULL) slInit(l, ((char*)""));
201
202 if (FE_OPT_NO_SHELL_FLAG) {WerrorS("no links allowed");return TRUE;}
203
204 const char *c="_";;
205 if (h!=NULL) c=h->Name();
206
207 if (SI_LINK_OPEN_P(l))
208 {
209 Warn("open: link of type: %s, mode: %s, name: %s is already open",
210 l->m->type, l->mode, l->name);
211 return FALSE;
212 }
213 else if (l->m->Open != NULL)
214 {
215 res = l->m->Open(l, flag, h);
216 if (res)
217 Werror("open: Error for link %s of type: %s, mode: %s, name: %s",
218 c, l->m->type, l->mode, l->name);
219 }
220 if (l->m->SetRing==NULL) l->m->SetRing=slSetRingDummy;
221 }
222 return res;
223}
#define Warn
Definition emacs.cc:77
void WerrorS(const char *s)
Definition feFopen.cc:24
STATIC_VAR Poly * h
Definition janet.cc:971

◆ slPrepClose()

BOOLEAN slPrepClose ( si_link  l)

Definition at line 225 of file silink.cc.

226{
227
228 if(! SI_LINK_OPEN_P(l))
229 return FALSE;
230
231 BOOLEAN res = TRUE;
232 if (l->m->PrepClose != NULL)
233 {
234 res = l->m->PrepClose(l);
235 if (res)
236 Werror("close: Error for link of type: %s, mode: %s, name: %s",
237 l->m->type, l->mode, l->name);
238 }
239 return res;
240}

◆ slRead()

leftv slRead ( si_link  l,
leftv  a = NULL 
)

Definition at line 263 of file silink.cc.

264{
265 leftv v = NULL;
266 if( ! SI_LINK_R_OPEN_P(l)) // open r ?
267 {
268#ifdef HAVE_DBM
269#ifdef USE_GDBM
270 if (! SI_LINK_CLOSE_P(l))
271 {
272 if (slClose(l)) return NULL;
273 }
274#endif
275#endif
276 if (slOpen(l, SI_LINK_READ,NULL)) return NULL;
277 }
278
279 if (SI_LINK_R_OPEN_P(l))
280 { // open r
281 if (a==NULL)
282 {
283 if (l->m->Read != NULL) v = l->m->Read(l);
284 }
285 else
286 {
287 if (l->m->Read2 != NULL) v = l->m->Read2(l,a);
288 }
289 }
290 else
291 {
292 Werror("read: Error to open link of type %s, mode: %s, name: %s for reading",
293 l->m->type, l->mode, l->name);
294 return NULL;
295 }
296
297 // here comes the eval:
298 if (v != NULL)
299 {
300 if (v->Eval() && !errorreported)
301 WerrorS("eval: failed");
302 }
303 else
304 Werror("read: Error for link of type %s, mode: %s, name: %s",
305 l->m->type, l->mode, l->name);
306 return v;
307}
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 631 of file asciiLink.cc.

632{
637 si_link_root->Kill=NULL;
644 si_link_root->type="ASCII";
645 s = si_link_root;
646 s->next = NULL;
647}
#define omAlloc0Bin(bin)

◆ slStatus()

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

Definition at line 156 of file silink.cc.

157{
158 if (l == NULL) return "empty link";
159 else if (l->m == NULL) return "unknown link type";
160 else if (strcmp(request, "type") == 0) return l->m->type;
161 else if (strcmp(request, "mode") == 0) return l->mode;
162 else if (strcmp(request, "name") == 0) return l->name;
163 else if (strcmp(request, "exists") ==0)
164 {
165 struct stat buf;
166 if (si_lstat(l->name,&buf)==0) return "yes";
167 else return "no";
168 }
169 else if (strcmp(request, "open") == 0)
170 {
171 if (SI_LINK_OPEN_P(l)) return "yes";
172 else return "no";
173 }
174 else if (strcmp(request, "openread") == 0)
175 {
176 if (SI_LINK_R_OPEN_P(l)) return "yes";
177 else return "no";
178 }
179 else if (strcmp(request, "openwrite") == 0)
180 {
181 if (SI_LINK_W_OPEN_P(l)) return "yes";
182 else return "no";
183 }
184 else if (l->m->Status == NULL) return "unknown status request";
185 else return l->m->Status(l, request);
186}
int status int void * buf
Definition si_signals.h:69

◆ slStatusSsiL()

int slStatusSsiL ( lists  L,
int  timeout,
BOOLEAN ignore = NULL 
)

Definition at line 1957 of file ssiLink.cc.

1958{
1959// input: L: a list with links of type
1960// ssi-connect, ssi-fork, ssi-tcp, MPtcp-fork or MPtcp-launch.
1961// Note: Not every entry in L must be set.
1962// timeout: timeout for select in milli-seconds
1963// or -1 for infinity
1964// or 0 for polling
1965// returns: ERROR (via Werror): L has wrong elements or link not open
1966// -2: error in L
1967// -1: the read state of all links is eof
1968// 0: timeout (or polling): none ready,
1969// i>0: (at least) L[i] is ready
1970#if defined(HAVE_POLL) && !defined(__APPLE__)
1971 si_link l;
1972 ssiInfo *d=NULL;
1973 int d_fd;
1974 int s;
1975 int nfd=L->nr+1;
1976 pollfd *pfd=(pollfd*)omAlloc0(nfd*sizeof(pollfd));
1977 for(int i=L->nr; i>=0; i--)
1978 {
1979 pfd[i].fd=-1;
1980 if (L->m[i].Typ()!=DEF_CMD)
1981 {
1982 if (L->m[i].Typ()!=LINK_CMD)
1983 { WerrorS("all elements must be of type link"); return -2;}
1984 l=(si_link)L->m[i].Data();
1985 if(SI_LINK_OPEN_P(l)==0)
1986 { WerrorS("all links must be open"); return -2;}
1987 if (((strcmp(l->m->type,"ssi")!=0) && (strcmp(l->m->type,"MPtcp")!=0))
1988 || ((strcmp(l->mode,"fork")!=0) && (strcmp(l->mode,"tcp")!=0)
1989 && (strcmp(l->mode,"launch")!=0) && (strcmp(l->mode,"connect")!=0)))
1990 {
1991 WerrorS("all links must be of type ssi:fork, ssi:tcp, ssi:connect");
1992 return -2;
1993 }
1994 if (strcmp(l->m->type,"ssi")==0)
1995 {
1996 d=(ssiInfo*)l->data;
1997 d_fd=d->fd_read;
1998 if (!s_isready(d->f_read))
1999 {
2000 pfd[i].fd=d_fd;
2001 pfd[i].events=POLLIN;
2002 }
2003 else
2004 {
2005 return i+1;
2006 }
2007 }
2008 else
2009 {
2010 Werror("wrong link type >>%s<<",l->m->type);
2011 return -2;
2012 }
2013 }
2014 else if (ignore!=NULL)
2015 {
2016 ignore[i]=TRUE; // not a link
2017 }
2018 }
2020 if (s==-1)
2021 {
2022 Werror("error in poll call (errno:%d)",errno);
2023 return -2; /*error*/
2024 }
2025 if(s==0)
2026 {
2027 return 0; /*timeout*/
2028 }
2029 for(int i=L->nr; i>=0; i--)
2030 {
2031 if ((L->m[i].rtyp==LINK_CMD)
2032 && ((ignore==NULL)||(ignore[i]==FALSE)))
2033 {
2034 // the link type is ssi, that's already tested
2035 l=(si_link)L->m[i].Data();
2036 d=(ssiInfo*)l->data;
2037 d_fd=d->fd_read;
2038 if (pfd[i].fd==d_fd)
2039 {
2040 if (pfd[i].revents &POLLIN)
2041 {
2042 omFree(pfd);
2043 return i+1;
2044 }
2045 }
2046 }
2047 }
2048 // no ready
2049 return 0;
2050#else
2051 si_link l;
2052 ssiInfo *d=NULL;
2053 int d_fd;
2054 fd_set fdmask;
2055 FD_ZERO(&fdmask);
2056 int max_fd=0; /* 1 + max fd in fd_set */
2057
2058 /* timeout */
2059 struct timeval wt;
2060 struct timeval *wt_ptr=&wt;
2061 int startingtime = getRTimer()/TIMER_RESOLUTION; // in seconds
2062 if (timeout== -1)
2063 {
2064 wt_ptr=NULL;
2065 }
2066 else
2067 {
2068 wt.tv_sec = timeout / 1000;
2069 wt.tv_usec = (timeout % 1000)*1000;
2070 }
2071
2072 /* auxiliary variables */
2073 int i;
2074 int j;
2075 int k;
2076 int s;
2077 char fdmaskempty;
2078
2079 /* check the links and fill in fdmask */
2080 /* check ssi links for ungetc_buf */
2081 for(i=L->nr; i>=0; i--)
2082 {
2083 if (L->m[i].Typ()!=DEF_CMD)
2084 {
2085 if (L->m[i].Typ()!=LINK_CMD)
2086 { WerrorS("all elements must be of type link"); return -2;}
2087 l=(si_link)L->m[i].Data();
2088 if(SI_LINK_OPEN_P(l)==0)
2089 { WerrorS("all links must be open"); return -2;}
2090 if (((strcmp(l->m->type,"ssi")!=0) && (strcmp(l->m->type,"MPtcp")!=0))
2091 || ((strcmp(l->mode,"fork")!=0) && (strcmp(l->mode,"tcp")!=0)
2092 && (strcmp(l->mode,"launch")!=0) && (strcmp(l->mode,"connect")!=0)))
2093 {
2094 WerrorS("all links must be of type ssi:fork, ssi:tcp, ssi:connect");
2095 return -2;
2096 }
2097 if (strcmp(l->m->type,"ssi")==0)
2098 {
2099 d=(ssiInfo*)l->data;
2100 d_fd=d->fd_read;
2101 if (!s_isready(d->f_read))
2102 {
2103 if ((ignore==NULL) || (ignore[i]==FALSE))
2104 {
2105 FD_SET(d_fd, &fdmask);
2106 if (d_fd > max_fd) max_fd=d_fd;
2107 }
2108 }
2109 else
2110 return i+1;
2111 }
2112 else
2113 {
2114 Werror("wrong link type >>%s<<",l->m->type);
2115 return -2;
2116 }
2117 }
2118 }
2119 max_fd++;
2120 if (FD_SETSIZE<=max_fd)
2121 {
2122 Werror("file descriptor number too high (%d)",max_fd);
2123 return -2;
2124 }
2125
2126 /* check with select: chars waiting: no -> not ready */
2128 if (s==-1)
2129 {
2130 Werror("error in select call (errno:%d)",errno);
2131 return -2; /*error*/
2132 }
2133 if (s==0)
2134 {
2135 return 0; /*poll: not ready */
2136 }
2137 else /* s>0, at least one ready (the number of fd which are ready is s)*/
2138 {
2139 j=0;
2140 while (j<=max_fd) { if (FD_ISSET(j,&fdmask)) break; j++; }
2141 for(i=L->nr; i>=0; i--)
2142 {
2143 if (L->m[i].rtyp==LINK_CMD)
2144 {
2145 l=(si_link)L->m[i].Data();
2146 if (strcmp(l->m->type,"ssi")==0)
2147 {
2148 d=(ssiInfo*)l->data;
2149 d_fd=d->fd_read;
2150 if(j==d_fd) return i+1;
2151 }
2152 }
2153 }
2154 }
2155 return 0;
2156#endif
2157}
int k
Definition cfEzgcd.cc:99
int Typ()
Definition subexpr.cc:1048
int rtyp
Definition subexpr.h:91
void * Data()
Definition subexpr.cc:1192
sleftv * m
Definition lists.h:46
int nr
Definition lists.h:44
#define TIMER_RESOLUTION
Definition mod2.h:35
#define omAlloc0(size)
int s_isready(s_buff F)
Definition s_buff.cc:85
s_buff f_read
Definition s_buff.h:22
int fd_read
Definition s_buff.h:26
int status int fd
Definition si_signals.h:69
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 309 of file silink.cc.

310{
311 BOOLEAN res;
312
313 if(! SI_LINK_W_OPEN_P(l)) // open w ?
314 {
315#ifdef HAVE_DBM
316#ifdef USE_GDBM
317 if (! SI_LINK_CLOSE_P(l))
318 {
319 if (slClose(l)) return TRUE;
320 }
321#endif
322#endif
323 if (slOpen(l, SI_LINK_WRITE,NULL)) return TRUE;
324 }
325
326 if (SI_LINK_W_OPEN_P(l))
327 { // now open w
328 if (l->m->Write != NULL)
329 res = l->m->Write(l,v);
330 else
331 res = TRUE;
332
333 if (res)
334 Werror("write: Error for link of type %s, mode: %s, name: %s",
335 l->m->type, l->mode, l->name);
336 return res;
337 }
338 else
339 {
340 Werror("write: Error to open link of type %s, mode: %s, name: %s for writing",
341 l->m->type, l->mode, l->name);
342 return TRUE;
343 }
344}

◆ ssiBatch()

int ssiBatch ( const char host,
const char port 
)

Definition at line 2159 of file ssiLink.cc.

2161{
2163 char *buf=(char*)omAlloc(256);
2164 snprintf(buf,256,"ssi:connect %s:%s",host,port);
2165 slInit(l, buf);
2166 omFreeSize(buf,256);
2167 if (slOpen(l,SI_LINK_OPEN,NULL)) return 1;
2169
2170 idhdl id = enterid("link_ll", 0, LINK_CMD, &IDROOT, FALSE);
2171 IDLINK(id) = l;
2172
2173 loop
2174 {
2175 leftv h=ssiRead1(l); /*contains an exit.... */
2176 if (feErrors != NULL && *feErrors != '\0')
2177 {
2178 // handle errors:
2179 PrintS(feErrors); /* currently quite simple */
2180 *feErrors = '\0';
2181 }
2182 ssiWrite(l,h);
2183 h->CleanUp();
2185 }
2186 /* never reached*/
2187 exit(0);
2188}
Definition idrec.h:35
idhdl enterid(const char *s, int lev, int t, idhdl *root, BOOLEAN init, BOOLEAN search)
Definition ipid.cc:281
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)
#define omAlloc(size)
void PrintS(const char *s)
Definition reporter.cc:284
VAR char * feErrors
Definition reporter.cc:47
#define loop
Definition structs.h:75

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.