8 #define TRANSEXT_PRIVATES 1 51 #include <sys/types.h> 53 #include <sys/types.h> 54 #include <sys/select.h> 55 #include <sys/socket.h> 56 #include <netinet/in.h> 62 #define SSI_VERSION 10 91 { sprintf(name,
"ssiRing%d",nr); nr++; }
108 fprintf(d->
f_write,
"%d %s ",(
int)strlen(s),s);
130 fraction
f=(fraction)n;
138 else if (cf->cfWriteFd!=
NULL)
142 else WerrorS(
"coeff field not implemented");
161 fprintf(d->
f_write,
"-1 %d ",r->N);
163 fprintf(d->
f_write,
"-2 %d ",r->N);
166 fprintf(d->
f_write,
"-3 %d ",r->N);
173 fprintf(d->
f_write,
"%d %s ",(
int)strlen(r->names[i]),r->names[i]);
178 if (r->order!=
NULL)
while (r->order[i]!=0) i++;
182 if (r->order!=
NULL)
while(r->order[i]!=0)
184 fprintf(d->
f_write,
"%d %d %d ",r->order[i],r->block0[i], r->block1[i]);
195 for(ii=r->block0[i];ii<=r->block1[i];ii++)
196 fprintf(d->
f_write,
"%d ",r->wvhdl[i][ii-r->block0[i]]);
204 Werror(
"ring oder not implemented for ssi:%d",r->order[i]);
228 fprintf(d->
f_write,
"0 0 0 0 ");
313 fprintf(d->
f_write,
"%d %d ",D->argc,D->op);
314 if (D->argc >0)
ssiWrite(l, &(D->arg1));
317 if (D->argc >1)
ssiWrite(l, &(D->arg2));
318 if (D->argc >2)
ssiWrite(l, &(D->arg3));
336 fprintf(d->
f_write,
"%d ",Ll+1);
347 for(i=0;i<v->
length();i++)
349 fprintf(d->
f_write,
"%d ",(*v)[i]);
356 for(i=0;i<v->
length();i++)
358 fprintf(d->
f_write,
"%d ",(*v)[i]);
366 for(i=0;i<v->
length();i++)
392 if (cf->cfReadFd!=
NULL)
399 fraction
f=(fraction)
n_Init(1,cf);
410 else WerrorS(
"coeffs not implemented in ssiReadNumber");
419 if (n->s!=3)
Werror(
"invalid sub type in bigint:%d",n->s);
442 {
Werror(
"cannot find cf:%s",cf_name);
return NULL;}
446 names=(
char**)
omAlloc(N*
sizeof(
char*));
455 int *ord=(
int *)
omAlloc0((num_ord+1)*
sizeof(int));
456 int *block0=(
int *)
omAlloc0((num_ord+1)*
sizeof(int));
457 int *block1=(
int *)
omAlloc0((num_ord+1)*
sizeof(int));
458 int **wvhdl=(
int**)
omAlloc0((num_ord+1)*
sizeof(
int*));
459 for(i=0;i<num_ord;i++)
473 wvhdl[
i]=(
int*)
omAlloc((block1[i]-block0[i]+1)*
sizeof(int));
475 for(ii=block0[i];ii<=block1[
i];ii++)
484 Werror(
"ring oder not implemented for ssi:%d",ord[i]);
502 r=
rDefault(ch,N,names,num_ord,ord,block0,block1,wvhdl);
509 r=
rDefault(cf,N,names,num_ord,ord,block0,block1,wvhdl);
517 r=
rDefault(cf,N,names,num_ord,ord,block0,block1,wvhdl);
521 r=
rDefault(cf,N,names,num_ord,ord,block0,block1,wvhdl);
525 Werror(
"ssi: read unknown coeffs type (%d)",ch);
552 for(i=1;i<=
rVar(r);i++)
559 if (ret==
NULL) ret=
p;
614 D->argc=argc;
D->op=op;
619 memcpy(&(
D->arg1),v,
sizeof(*v));
627 memcpy(&(
D->arg2),v,
sizeof(*v));
633 memcpy(&(
D->arg3),v,
sizeof(*v));
675 memcpy(&(L->
m[i]),v,
sizeof(*v));
685 for(
int i=0;
i<nr;
i++)
697 for(
int i=0;
i<r*c;
i++)
709 for(
int i=0;
i<r*c;
i++)
728 b->blackbox_deserialize(&b,&(res->
data),l);
732 Werror(
"blackbox %s not found",name);
743 for(
int i=1;
i<nr_of_attr;
i++)
748 memcpy(res,tmp,
sizeof(
sleftv));
749 memset(tmp,0,
sizeof(
sleftv));
766 if (l->mode[0] !=
'\0' && (strcmp(l->mode,
"r") == 0))
772 else if (strcmp(l->mode,
"w") == 0) mode =
"w";
773 else if (strcmp(l->mode,
"fork") == 0) mode =
"fork";
774 else if (strcmp(l->mode,
"tcp") == 0) mode =
"tcp";
775 else if (strcmp(l->mode,
"connect") == 0) mode =
"connect";
784 if (l->name[0] ==
'\0')
786 if (strcmp(mode,
"fork")==0)
791 n->
next=(
void *)ssiToBeClosed;
799 if (pid == -1 && errno == EAGAIN)
812 sigemptyset(&sigint);
813 sigaddset(&sigint, SIGINT);
814 sigprocmask(SIG_BLOCK, &sigint,
NULL);
833 #ifdef HAVE_SIMPLEIPC 835 #endif // HAVE_SIMPLEIPC 836 si_close(pc[1]); si_close(cp[0]);
875 si_close(pc[0]); si_close(cp[1]);
887 Werror(
"fork failed (%d)",errno);
894 else if (strcmp(mode,
"tcp")==0)
896 int sockfd, newsockfd, portno, clilen;
897 struct sockaddr_in serv_addr, cli_addr;
898 sockfd = socket(AF_INET, SOCK_STREAM, 0);
901 WerrorS(
"ERROR opening socket");
906 memset((
char *) &serv_addr,0,
sizeof(serv_addr));
908 serv_addr.sin_family = AF_INET;
909 serv_addr.sin_addr.s_addr = INADDR_ANY;
913 serv_addr.sin_port = htons(portno);
916 WerrorS(
"ERROR on binding (no free port available?)");
922 while(bind(sockfd, (
struct sockaddr *) &serv_addr,
sizeof(serv_addr)) < 0);
925 newsockfd = si_accept(sockfd, (
struct sockaddr *) &cli_addr, (socklen_t *)&clilen);
933 PrintS(
"client accepted\n");
937 d->
f_write = fdopen(newsockfd,
"w");
944 Werror(
"invalid mode >>%s<< for ssi",mode);
954 if(strcmp(mode,
"tcp")==0)
956 int sockfd, newsockfd, portno, clilen;
957 struct sockaddr_in serv_addr, cli_addr;
958 sockfd = socket(AF_INET, SOCK_STREAM, 0);
961 WerrorS(
"ERROR opening socket");
966 memset((
char *) &serv_addr,0,
sizeof(serv_addr));
968 serv_addr.sin_family = AF_INET;
969 serv_addr.sin_addr.s_addr = INADDR_ANY;
973 serv_addr.sin_port = htons(portno);
976 WerrorS(
"ERROR on binding (no free port available?)");
981 while(bind(sockfd, (
struct sockaddr *) &serv_addr,
sizeof(serv_addr)) < 0);
984 char* cli_host = (
char*)
omAlloc(256);
985 char* path = (
char*)
omAlloc(1024);
986 int r = si_sscanf(l->name,
"%255[^:]:%s",cli_host,path);
989 WerrorS(
"ERROR: no host specified");
998 WarnS(
"program not specified, using /usr/local/bin/Singular");
1000 strcpy(path,
"/usr/local/bin/Singular");
1002 char* ssh_command = (
char*)
omAlloc(256);
1003 char* ser_host = (
char*)
omAlloc(64);
1004 gethostname(ser_host,64);
1005 sprintf(ssh_command,
"ssh %s %s -q --batch --link=ssi --MPhost=%s --MPport=%d &",cli_host,path,ser_host,portno);
1013 clilen =
sizeof(cli_addr);
1014 newsockfd = si_accept(sockfd, (
struct sockaddr *) &cli_addr, (socklen_t *)&clilen);
1026 d->
f_write = fdopen(newsockfd,
"w");
1033 newlink->
next=(
void *)ssiToBeClosed;
1034 ssiToBeClosed=newlink;
1038 else if(strcmp(mode,
"connect")==0)
1040 char* host = (
char*)
omAlloc(256);
1042 struct sockaddr_in serv_addr;
1043 struct hostent *server;
1045 si_sscanf(l->name,
"%255[^:]:%d",host,&portno);
1049 sockfd = socket(AF_INET, SOCK_STREAM, 0);
1050 if (sockfd < 0) {
WerrorS(
"ERROR opening socket");
return TRUE; }
1051 server = gethostbyname(host);
1053 memset((
char *) &serv_addr, 0,
sizeof(serv_addr));
1054 serv_addr.sin_family = AF_INET;
1055 memcpy((
char *)&serv_addr.sin_addr.s_addr,
1056 (
char *)server->h_addr,
1058 serv_addr.sin_port = htons(portno);
1059 if (si_connect(sockfd,(sockaddr*)&serv_addr,
sizeof(serv_addr)) < 0)
1060 {
Werror(
"ERROR connecting(errno=%d)",errno);
return TRUE; }
1064 d->
f_write=fdopen(sockfd,
"w");
1081 char *filename=l->name;
1083 if(filename[0]==
'>')
1085 if (filename[1]==
'>')
1096 outfile=
myfopen(filename,mode);
1099 if (strcmp(l->mode,
"r")==0)
1161 si_waitpid(d->
pid,
NULL,WNOHANG);
1163 && (kill(d->
pid,0)==0))
1167 t.tv_nsec=100000000;
1168 struct timespec rem;
1173 r = nanosleep(&t, &rem);
1176 if (si_waitpid(d->
pid,
NULL,WNOHANG) != 0)
break;
1178 if ((r==0) || (errno != EINTR))
break;
1180 if (kill(d->
pid,0) == 0)
1188 r = nanosleep(&t, &rem);
1191 if (si_waitpid(d->
pid,
NULL,WNOHANG) != 0)
break;
1193 if ((r==0) || (errno != EINTR))
break;
1195 if (kill(d->
pid,0) == 0)
1204 if ((strcmp(l->mode,
"tcp")==0)
1205 || (strcmp(l->mode,
"fork")==0))
1262 res->data=(
char*)d->
r;
1274 if (d->
r==
NULL)
goto no_ring;
1278 if (d->
r==
NULL)
goto no_ring;
1282 if (d->
r==
NULL)
goto no_ring;
1286 if (d->
r==
NULL)
goto no_ring;
1290 if (d->
r==
NULL)
goto no_ring;
1302 int nok=
res->Eval();
1303 if (nok)
WerrorS(
"error in eval");
1310 int nok=
res->Eval();
1311 if (nok)
WerrorS(
"error in name lookup");
1346 Print(
"incompatible versions of ssi: %d/%d vs %d/%d",
1351 Print(
"// opening ssi-%d, MAX_TOK=%d\n",n98_v,n98_m);
1364 default:
Werror(
"not implemented (t:%d)",t);
1373 && (
res->RingDependend()))
1412 void *dd=data->
Data();
1415 if (((*aa)!=
NULL)||(data->
flag!=0))
1479 fprintf(d->
f_write,
"10 %d ",(
int)M->rank);
1516 b->blackbox_serialize(b,dd,l);
1520 Werror(
"not implemented (t:%d, rtyp:%d)",tt, data->
rtyp);
1556 if (d==
NULL)
return "not open";
1557 if (((strcmp(l->mode,
"fork")==0)
1558 ||(strcmp(l->mode,
"tcp")==0)
1559 ||(strcmp(l->mode,
"connect")==0))
1560 && (strcmp(request,
"read") == 0))
1577 case 0:
return "not ready";
1578 case -1:
return "error";
1585 if (c== -1)
return "eof";
1586 else if (isdigit(c))
1590 Werror(
"unknown char in ssiLink(%d)",c);
1596 else if (strcmp(request,
"read") == 0)
1599 else return "not ready";
1601 else if (strcmp(request,
"write") == 0)
1604 else return "not ready";
1606 else return "unknown status request";
1625 fd_set mask, fdmask;
1632 struct timeval *wt_ptr=&wt;
1640 wt.tv_sec = timeout / 1000000;
1641 wt.tv_usec = timeout % 1000000;
1653 for(i=L->
nr; i>=0; i--)
1658 {
WerrorS(
"all elements must be of type link");
return -2;}
1661 {
WerrorS(
"all links must be open");
return -2;}
1662 if (((strcmp(l->m->type,
"ssi")!=0) && (strcmp(l->m->type,
"MPtcp")!=0))
1663 || ((strcmp(l->mode,
"fork")!=0) && (strcmp(l->mode,
"tcp")!=0)
1664 && (strcmp(l->mode,
"launch")!=0) && (strcmp(l->mode,
"connect")!=0)))
1666 WerrorS(
"all links must be of type ssi:fork, ssi:tcp, ssi:connect");
1669 if (strcmp(l->m->type,
"ssi")==0)
1675 FD_SET(d_fd, &fdmask);
1676 if (d_fd > max_fd) max_fd=d_fd;
1683 Werror(
"wrong link type >>%s<<",l->m->type);
1693 for(k = 0; k < max_fd; k++)
1695 if(FD_ISSET(k, &fdmask))
1702 s = si_select(max_fd, &mask,
NULL,
NULL, wt_ptr);
1705 WerrorS(
"error in select call");
1715 while (j<=max_fd) {
if (FD_ISSET(j,&mask))
break; j++; }
1716 for(i=L->
nr; i>=0; i--)
1721 if (strcmp(l->m->type,
"ssi")==0)
1729 Werror(
"wrong link type >>%s<<",l->m->type);
1746 for(k = 0; k < max_fd; k++)
1748 if(FD_ISSET(k, &fdmask))
1762 wt.tv_sec = timeout / 1000000;
1763 wt.tv_usec = (timeout % 1000000);
1768 else if (isdigit(c))
1772 Werror(
"unknown char in ssiLink(%d)",c);
1786 sprintf(buf,
"ssi:connect %s:%s",host,port);
1819 WerrorS(
"ERROR already a reverved port requested");
1826 WerrorS(
"ERROR opening socket");
1839 WerrorS(
"ERROR on binding (no free port available?)");
1855 WerrorS(
"ERROR no reverved port requested");
1858 struct sockaddr_in cli_addr;
1859 int clilen =
sizeof(cli_addr);
1860 int newsockfd = si_accept(
ssiReserved_sockfd, (
struct sockaddr *) &cli_addr, (socklen_t *)&clilen);
1863 Werror(
"ERROR on accept (errno=%d)",errno);
1868 si_link_extension prev =
s;
1869 while (strcmp(s->type,
"ssi") != 0)
1871 if (s->next ==
NULL)
1898 d->
f_write = fdopen(newsockfd,
"w");
1929 kidpid = si_waitpid(-1, &status, WNOHANG);
1933 if (errno == EINTR)
continue;
1937 else if (kidpid==0)
break;
1966 int type_id =
IDTYP(h);
1978 if ((type_id ==
RING_CMD) && (strncmp(
IDID(h),
"ssiRing",7)==0))
1983 memset(&tmp,0,
sizeof(tmp));
1990 if ((strcmp(
IDID(h),
"Top") == 0)
1991 || (strcmp(
IDID(h),
"Standard") == 0))
1996 package p=(package)IDDATA(h);
2003 D->arg1.data=
p->libname;
2005 D->arg2.data=(
char*)
"with";
2016 D->arg1.data=
p->libname;
2028 D->arg1.name=
IDID(h);
2029 D->arg2.rtyp=
IDTYP(h);
2051 && (strncmp(
IDID(h),
"ssiRing",7)!=0))
for idElimination, like a, except pFDeg, pWeigths ignore it
n_coeffType rFieldType(ring r)
int s_readbytes(char *buff, int len, s_buff F)
number ssiReadNumber(const ssiInfo *d)
const CanonicalForm int s
ring ssiReadRing(const ssiInfo *d)
si_link_extension si_link_root
char *(* fe_fgets_stdin)(const char *pr, char *s, int size)
ideal ssiReadIdeal_R(const ssiInfo *d, const ring r)
Class used for (list of) interpreter objects.
void rem(unsigned long *a, unsigned long *q, unsigned long p, int °a, int degq)
coeffs nFindCoeffByName(const char *cf_name)
find an existing coeff by its "CoeffName"
void ssiWriteRing_R(ssiInfo *d, const ring r)
used for all transcendental extensions, i.e., the top-most extension in an extension tower is transce...
void ssiWriteInt(const ssiInfo *d, const int i)
static BOOLEAN ssiDumpIter(si_link l, idhdl h)
BOOLEAN ssiClose(si_link l)
static unsigned long p_SetComp(poly p, unsigned long c, ring r)
#define SI_LINK_R_OPEN_P(l)
BOOLEAN ssiWrite(si_link l, leftv data)
si_link_extension slInitSsiExtension(si_link_extension s)
static FORCE_INLINE number n_ReadFd(s_buff f, const coeffs r)
io via ssi:
static FORCE_INLINE number n_Init(long i, const coeffs r)
a number representing i in the given coeff field/ring r
#define omFreeSize(addr, size)
static BOOLEAN DumpSsiIdhdl(si_link l, idhdl h)
static short rVar(const ring r)
#define rVar(r) (r->N)
char * fe_fgets_dummy(const char *, char *, int)
void ssiWriteIdeal_R(const ssiInfo *d, int typ, const ideal I, const ring r)
void ssiWriteBigInt(const ssiInfo *d, const number n)
leftv(* slRead2Proc)(si_link l, leftv a)
static FORCE_INLINE int n_GetChar(const coeffs r)
Return the characteristic of the coeff. domain.
void ssiReadBlackbox(leftv res, si_link l)
number ssiReadBigInt(const ssiInfo *d)
BOOLEAN ssiSetRing(si_link l, ring r, BOOLEAN send)
void WerrorS(const char *s)
void ssiSetCurrRing(const ring r)
void ssiWriteIntmat(const ssiInfo *d, intvec *v)
void ssiWriteNumber(const ssiInfo *d, const number n)
static number & pGetCoeff(poly p)
return an alias to the leading coefficient of p assumes that p != NULL NOTE: not copy ...
poly ssiReadPoly_R(const ssiInfo *D, const ring r)
static struct sockaddr_in ssiResverd_serv_addr
BOOLEAN slOpen(si_link l, short flag, leftv h)
matrix ssiReadMatrix(const ssiInfo *d)
static int pLength(poly a)
#define SI_LINK_SET_CLOSE_P(l)
static int ssiReserved_sockfd
int slStatusSsiL(lists L, int timeout)
omBin s_si_link_extension_bin
BOOLEAN ssiDump(si_link l)
void ssiWriteProc(const ssiInfo *d, procinfov p)
#define SI_LINK_SET_OPEN_P(l, flag)
void ssiWriteCommand(si_link l, command D)
ring currRing
Widely used global variable which specifies the current polynomial ring for Singular interpreter and ...
idhdl enterid(const char *s, int lev, int t, idhdl *root, BOOLEAN init, BOOLEAN search)
BOOLEAN singular_in_batchmode
void ssiWriteString(const ssiInfo *d, const char *s)
const CanonicalForm CFMap CFMap & N
static long p_GetExp(const poly p, const unsigned long iBitmask, const int VarOffset)
get a single variable exponent : the integer VarOffset encodes:
lists ssiReadList(si_link l)
BOOLEAN ssiOpen(si_link l, short flag, leftv u)
The main handler for Singular numbers which are suitable for Singular polynomials.
FILE * myfopen(const char *path, const char *mode)
BOOLEAN slInit(si_link l, char *istr)
int status int void * buf
void s_ungetc(int c, s_buff F)
static FORCE_INLINE char * nCoeffName(const coeffs cf)
procinfov ssiReadProc(const ssiInfo *d)
ring rDefault(const coeffs cf, int N, char **n, int ord_size, int *ord, int *block0, int *block1, int **wvhdl)
struct for passing initialization parameters to naInitChar
void ssiWriteIdeal(const ssiInfo *d, int typ, const ideal I)
static int si_max(const int a, const int b)
Induced (Schreyer) ordering.
void PrintS(const char *s)
static BOOLEAN rField_is_Q(const ring r)
leftv ssiRead1(si_link l)
void ssiWriteBigintmat(const ssiInfo *d, bigintmat *v)
char name(const Variable &v)
BOOLEAN rEqual(ring r1, ring r2, BOOLEAN qr)
returns TRUE, if r1 equals r2 FALSE, otherwise Equality is determined componentwise, if qr == 1, then qrideal equality is tested, as well
static FORCE_INLINE n_coeffType getCoeffType(const coeffs r)
Returns the type of coeffs domain.
int ssiReservePort(int clients)
void ssiWriteNumber_CF(const ssiInfo *d, const number n, const coeffs cf)
number ssiReadNumber_CF(const ssiInfo *d, const coeffs cf)
void ssiWriteList(si_link l, lists dd)
BOOLEAN ssiGetDump(si_link l)
void rChangeCurrRing(ring r)
void ssiWritePoly(const ssiInfo *d, int typ, poly p)
static BOOLEAN rField_is_Zp(const ring r)
void ssiReadAttrib(leftv res, si_link l)
INLINE_THIS void Init(int l=0)
matrix mpNew(int r, int c)
create a r x c zero-matrix
static void p_Delete(poly *p, const ring r)
ideal idInit(int idsize, int rank)
initialise an ideal / module
static FORCE_INLINE void n_WriteFd(number a, FILE *f, const coeffs r)
io via ssi:
const Variable & v
< [in] a sqrfree bivariate poly
static unsigned long p_SetExp(poly p, const unsigned long e, const unsigned long iBitmask, const int VarOffset)
set a single variable exponent : VarOffset encodes the position in p->exp
int ssiBatch(const char *host, const char *port)
int ssiReadInt(s_buff fich)
#define SI_LINK_SET_RW_OPEN_P(l)
command ssiReadCommand(si_link l)
void ssiWriteIntvec(const ssiInfo *d, intvec *v)
void ssiWritePoly_R(const ssiInfo *d, int typ, poly p, const ring r)
used for all algebraic extensions, i.e., the top-most extension in an extension tower is algebraic ...
char * ssiReadString(const ssiInfo *d)
int blackboxIsCmd(const char *n, int &tok)
used by scanner: returns ROOT_DECL for known types (and the type number in tok)
#define SI_LINK_W_OPEN_P(l)
#define SIPC_MAX_SEMAPHORES
void CleanUp(ring r=currRing)
intvec * ssiReadIntmat(const ssiInfo *d)
static void p_Setm(poly p, const ring r)
bigintmat * ssiReadBigintmat(const ssiInfo *d)
const char * slStatusSsi(si_link l, const char *request)
void ssiWriteRing(ssiInfo *d, const ring r)
poly ssiReadPoly(const ssiInfo *D)
static int ssiReserved_Clients
volatile BOOLEAN ssiToBeClosed_inactive
BOOLEAN slClose(si_link l)
intvec * ssiReadIntvec(const ssiInfo *d)
ideal ssiReadIdeal(const ssiInfo *d)
#define omFreeBin(addr, bin)
int sem_acquired[SIPC_MAX_SEMAPHORES]
s_buff s_open_by_name(const char *n)
char * iiGetLibProcBuffer(procinfo *pi, int part)
static poly p_Init(const ring r, omBin bin)
void Werror(const char *fmt,...)
BOOLEAN ssiPrepClose(si_link l)
#define SI_LINK_OPEN_P(l)
void sig_chld_hdl(int)
additional default signal handler
#define MATELEM(mat, i, j)
blackbox * getBlackboxStuff(const int t)
return the structure to the type given by t
coeffs nInitChar(n_coeffType t, void *parameter)
one-time initialisations for new coeffs in case of an error return NULL