[8ed989] | 1 | /**************************************** |
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| 2 | * Computer Algebra System SINGULAR * |
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| 3 | ****************************************/ |
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| 4 | /*************************************************************** |
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| 5 | * File: ssiLink.h |
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| 6 | * Purpose: declaration of sl_link routines for ssi |
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| 7 | * Version: $Id$ |
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| 8 | ***************************************************************/ |
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[8f650f3] | 9 | #include <stdio.h> |
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| 10 | #include <fcntl.h> |
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| 11 | #include <errno.h> |
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| 12 | #include <unistd.h> |
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[8ed989] | 13 | #include <sys/types.h> |
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| 14 | #include <signal.h> |
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[76912c] | 15 | #include <sys/types.h> /* for portability */ |
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[8ed989] | 16 | #include <sys/select.h> |
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[76912c] | 17 | #include <sys/socket.h> |
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| 18 | #include <netinet/in.h> |
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[6c2364] | 19 | #include <ctype.h> /*for isdigit*/ |
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[0f4cea] | 20 | #include <netdb.h> |
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[a796fb] | 21 | #include <sys/wait.h> |
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| 22 | |
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[8ed989] | 23 | |
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| 24 | |
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[f2df0c3] | 25 | #include <kernel/mod2.h> |
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| 26 | // #include "mod2.h" |
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[8ed989] | 27 | |
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[f2df0c3] | 28 | #include <Singular/tok.h> |
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| 29 | #include <Singular/ipid.h> |
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[b1dfaf] | 30 | #include <omalloc/omalloc.h> |
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[0fb34ba] | 31 | #include <polys/monomials/ring.h> |
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| 32 | #include <polys/matpol.h> |
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[8ed989] | 33 | #include <kernel/ideals.h> |
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[0fb34ba] | 34 | #include <polys/polys.h> |
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[8ed989] | 35 | #include <kernel/longrat.h> |
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| 36 | #include <kernel/ideals.h> |
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[0fb34ba] | 37 | #include <misc/intvec.h> |
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| 38 | #include <misc/options.h> |
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[b14855] | 39 | #include <kernel/timer.h> |
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[f2df0c3] | 40 | #include <Singular/subexpr.h> |
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| 41 | #include <Singular/silink.h> |
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[98918e] | 42 | #include <Singular/cntrlc.h> |
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[f2df0c3] | 43 | #include <Singular/lists.h> |
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[a088a12] | 44 | #include <Singular/blackbox.h> |
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[f2df0c3] | 45 | #include <Singular/ssiLink.h> |
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[8ed989] | 46 | |
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[19bece] | 47 | #ifdef HAVE_MPSR |
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| 48 | #include <Singular/mpsr.h> |
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| 49 | #endif |
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| 50 | |
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[1bf1c0] | 51 | //#if (_POSIX_C_SOURCE >= 200112L) || (_XOPEN_SOURCE >= 600) |
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| 52 | //#define HAVE_PSELECT |
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| 53 | //#endif |
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[a88046d] | 54 | |
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[a088a12] | 55 | #define SSI_VERSION 2 |
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[a88046d] | 56 | |
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[8ed989] | 57 | typedef struct |
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| 58 | { |
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| 59 | FILE *f_read; |
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| 60 | FILE *f_write; |
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| 61 | ring r; |
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| 62 | pid_t pid; /* only valid for fork/tcp mode*/ |
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| 63 | int fd_read,fd_write; /* only valid for fork/tcp mode*/ |
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| 64 | char level; |
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[c45b2a5] | 65 | char ungetc_buf; /* status sets to !=0, if ungetc was used, ssiRead* set to 0*/ |
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[05ed3d] | 66 | char send_quit_at_exit; |
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[c45b2a5] | 67 | |
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[8ed989] | 68 | } ssiInfo; |
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| 69 | |
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[f47847f] | 70 | |
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| 71 | link_list ssiToBeClosed=NULL; |
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[a796fb] | 72 | sigset_t ssi_sigmask; |
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| 73 | sigset_t ssi_oldmask; |
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| 74 | #define SSI_BLOCK_CHLD sigprocmask(SIG_SETMASK, &ssi_sigmask, &ssi_oldmask) |
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| 75 | #define SSI_UNBLOCK_CHLD sigprocmask(SIG_SETMASK, &ssi_oldmask, NULL) |
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[f47847f] | 76 | |
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[8ed989] | 77 | // the helper functions: |
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| 78 | void ssiSetCurrRing(const ring r) |
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| 79 | { |
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| 80 | if (!rEqual(r,currRing,1)) |
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| 81 | { |
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| 82 | char name[20]; |
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| 83 | int nr=0; |
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| 84 | do |
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| 85 | { sprintf(name,"ssiRing%d",nr); nr++; } |
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| 86 | while(IDROOT->get(name, 0)!=NULL); |
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| 87 | idhdl h=enterid(omStrDup(name),0,RING_CMD,&IDROOT,FALSE); |
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| 88 | IDRING(h)=r; |
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| 89 | r->ref++; |
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| 90 | rSetHdl(h); |
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| 91 | } |
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| 92 | } |
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| 93 | // the implementation of the functions: |
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| 94 | void ssiWriteInt(ssiInfo *d,const int i) |
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| 95 | { |
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[a796fb] | 96 | SSI_BLOCK_CHLD; |
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[8f650f3] | 97 | fprintf(d->f_write,"%d ",i); |
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[a796fb] | 98 | SSI_UNBLOCK_CHLD; |
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[8f650f3] | 99 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"int: %d ",i); |
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[8ed989] | 100 | } |
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| 101 | |
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| 102 | void ssiWriteString(ssiInfo *d,const char *s) |
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| 103 | { |
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[a796fb] | 104 | SSI_BLOCK_CHLD; |
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[8f650f3] | 105 | fprintf(d->f_write,"%d %s ",strlen(s),s); |
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[a796fb] | 106 | SSI_UNBLOCK_CHLD; |
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[8f650f3] | 107 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"stringi: %d \"%s\" ",strlen(s),s); |
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[8ed989] | 108 | } |
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| 109 | |
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| 110 | |
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| 111 | void ssiWriteBigInt(const ssiInfo *d, const number n) |
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| 112 | { |
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| 113 | // syntax is as follows: |
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| 114 | // case 2 Q: 3 4 <int> |
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| 115 | // or 3 3 <mpz_t nominator> |
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[a796fb] | 116 | SSI_BLOCK_CHLD; |
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[8ed989] | 117 | if(SR_HDL(n) & SR_INT) |
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| 118 | { |
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| 119 | fprintf(d->f_write,"4 %ld ",SR_TO_INT(n)); |
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[8f650f3] | 120 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"bigint: short \"%ld\" ",SR_TO_INT(n)); |
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[8ed989] | 121 | } |
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| 122 | else if (n->s==3) |
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| 123 | { |
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[a5d5fc] | 124 | fputs("3 ",d->f_write); |
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[9f8f6a] | 125 | mpz_out_str(d->f_write,10,n->z); |
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[a5d5fc] | 126 | fputc(' ',d->f_write); |
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[9f8f6a] | 127 | //gmp_fprintf(d->f_write,"3 %Zd ",n->z); |
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[8f650f3] | 128 | //if (d->f_debug!=NULL) gmp_fprintf(d->f_debug,"bigint: gmp \"%Zd\" ",n->z); |
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[8ed989] | 129 | } |
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[a5d5fc] | 130 | else WerrorS("illiegal bigint"); |
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[a796fb] | 131 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 132 | } |
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| 133 | |
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| 134 | void ssiWriteNumber(const ssiInfo *d, const number n) |
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| 135 | { |
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| 136 | // syntax is as follows: |
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| 137 | // case 1 Z/p: 3 <int> |
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| 138 | // case 2 Q: 3 4 <int> |
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| 139 | // or 3 0 <mpz_t nominator> <mpz_t denominator> |
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| 140 | // or 3 1 dto. |
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| 141 | // or 3 3 <mpz_t nominator> |
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[d8bea6a] | 142 | // or 3 5 <mpz_t raw nom.> <mpz_t raw denom.> |
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| 143 | // or 3 6 <mpz_t raw nom.> <mpz_t raw denom.> |
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| 144 | // or 3 7 <mpz_t raw nom.> |
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[a796fb] | 145 | SSI_BLOCK_CHLD; |
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[8ed989] | 146 | if(rField_is_Zp(d->r)) |
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| 147 | { |
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| 148 | fprintf(d->f_write,"%d ",(int)(long)n); |
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[8f650f3] | 149 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"number: \"%ld\" ",(int)(long)n); |
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[8ed989] | 150 | } |
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| 151 | else if (rField_is_Q(d->r)) |
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| 152 | { |
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| 153 | if(SR_HDL(n) & SR_INT) |
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| 154 | { |
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| 155 | fprintf(d->f_write,"4 %ld ",SR_TO_INT(n)); |
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[8f650f3] | 156 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"number: short \"%ld\" ",SR_TO_INT(n)); |
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[8ed989] | 157 | } |
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| 158 | else if (n->s<2) |
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| 159 | { |
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[d8bea6a] | 160 | //gmp_fprintf(d->f_write,"%d %Zd %Zd ",n->s,n->z,n->n); |
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| 161 | fprintf(d->f_write,"%d ",n->s+5); |
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| 162 | mpz_out_str (d->f_write,32, n->z); |
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[a5d5fc] | 163 | fputc(' ',d->f_write); |
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[d8bea6a] | 164 | mpz_out_str (d->f_write,32, n->n); |
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[a5d5fc] | 165 | fputc(' ',d->f_write); |
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[d8bea6a] | 166 | |
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[8f650f3] | 167 | //if (d->f_debug!=NULL) gmp_fprintf(d->f_debug,"number: s=%d gmp/gmp \"%Zd %Zd\" ",n->s,n->z,n->n); |
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[8ed989] | 168 | } |
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| 169 | else /*n->s==3*/ |
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| 170 | { |
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[d8bea6a] | 171 | //gmp_fprintf(d->f_write,"3 %Zd ",n->z); |
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[a5d5fc] | 172 | fputs("8 ",d->f_write); |
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[d8bea6a] | 173 | mpz_out_str (d->f_write,32, n->z); |
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[a5d5fc] | 174 | fputc(' ',d->f_write); |
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[b65d1d] | 175 | |
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[8f650f3] | 176 | //if (d->f_debug!=NULL) gmp_fprintf(d->f_debug,"number: gmp \"%Zd\" ",n->z); |
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[8ed989] | 177 | } |
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| 178 | } |
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| 179 | else WerrorS("coeff field not implemented"); |
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[a796fb] | 180 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 181 | } |
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| 182 | |
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| 183 | void ssiWriteRing(ssiInfo *d,const ring r) |
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| 184 | { |
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[a796fb] | 185 | /* 5 <ch> <N> <l1> <v1> ...<lN> <vN> <number of orderings> <ord1> <block0_1> <block1_1> .... */ |
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[8ed989] | 186 | if (d->r!=NULL) rKill(d->r); |
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| 187 | d->r=r; |
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| 188 | d->r->ref++; |
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[a796fb] | 189 | SSI_BLOCK_CHLD; |
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[8ed989] | 190 | fprintf(d->f_write,"%d %d ",r->ch,r->N); |
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| 191 | |
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| 192 | int i; |
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| 193 | for(i=0;i<r->N;i++) |
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| 194 | { |
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| 195 | fprintf(d->f_write,"%d %s ",strlen(r->names[i]),r->names[i]); |
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| 196 | } |
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| 197 | /* number of orderings:*/ |
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| 198 | i=0; |
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| 199 | while (r->order[i]!=0) i++; |
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| 200 | fprintf(d->f_write,"%d ",i); |
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| 201 | /* each ordering block: */ |
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| 202 | i=0; |
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| 203 | while(r->order[i]!=0) |
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| 204 | { |
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| 205 | fprintf(d->f_write,"%d %d %d ",r->order[i],r->block0[i], r->block1[i]); |
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| 206 | i++; |
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| 207 | } |
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[a796fb] | 208 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 209 | } |
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| 210 | |
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| 211 | void ssiWritePoly(ssiInfo *d, int typ, poly p) |
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| 212 | { |
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[a796fb] | 213 | SSI_BLOCK_CHLD; |
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[8ed989] | 214 | fprintf(d->f_write,"%d ",pLength(p));//number of terms |
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[a796fb] | 215 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 216 | int i; |
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| 217 | |
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| 218 | while(p!=NULL) |
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| 219 | { |
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| 220 | ssiWriteNumber(d,pGetCoeff(p)); |
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| 221 | //nWrite(fich,pGetCoeff(p)); |
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[a796fb] | 222 | SSI_BLOCK_CHLD; |
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[8ed989] | 223 | fprintf(d->f_write,"%ld ",p_GetComp(p,d->r));//component |
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| 224 | |
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| 225 | for(int j=1;j<=rVar(d->r);j++) |
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| 226 | { |
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| 227 | fprintf(d->f_write,"%ld ",p_GetExp(p,j,d->r ));//x^j |
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| 228 | } |
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| 229 | pIter(p); |
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[a796fb] | 230 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 231 | } |
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| 232 | } |
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| 233 | |
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| 234 | void ssiWriteIdeal(ssiInfo *d, int typ,ideal I) |
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| 235 | { |
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| 236 | // syntax: 7 # of elements <poly 1> <poly2>..... |
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| 237 | // syntax: 8 <rows> <cols> <poly 1> <poly2>..... |
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| 238 | matrix M=(matrix)I; |
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[a796fb] | 239 | SSI_BLOCK_CHLD; |
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[8ed989] | 240 | if (typ==MATRIX_CMD) |
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| 241 | fprintf(d->f_write,"%d %d ", MATROWS(M),MATCOLS(M)); |
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| 242 | else |
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| 243 | fprintf(d->f_write,"%d ",IDELEMS(I)); |
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[a796fb] | 244 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 245 | |
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| 246 | int i; |
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| 247 | int tt; |
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| 248 | if (typ==MODUL_CMD) tt=VECTOR_CMD; |
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| 249 | else tt=POLY_CMD; |
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| 250 | |
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| 251 | for(i=0;i<IDELEMS(I);i++) |
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| 252 | { |
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| 253 | ssiWritePoly(d,tt,I->m[i]); |
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| 254 | } |
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| 255 | } |
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| 256 | void ssiWriteCommand(si_link l, command D) |
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| 257 | { |
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| 258 | ssiInfo *d=(ssiInfo*)l->data; |
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| 259 | // syntax: <num ops> <operation> <op1> <op2> .... |
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[a796fb] | 260 | SSI_BLOCK_CHLD; |
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[8ed989] | 261 | fprintf(d->f_write,"%d %d ",D->argc,D->op); |
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[a796fb] | 262 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 263 | if (D->argc >0) ssiWrite(l, &(D->arg1)); |
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[8f650f3] | 264 | if (D->argc < 4) |
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| 265 | { |
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| 266 | if (D->argc >1) ssiWrite(l, &(D->arg2)); |
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| 267 | if (D->argc >2) ssiWrite(l, &(D->arg3)); |
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| 268 | } |
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[8ed989] | 269 | } |
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| 270 | |
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| 271 | void ssiWriteProc(ssiInfo *d,procinfov p) |
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| 272 | { |
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| 273 | ssiWriteString(d,p->data.s.body); |
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| 274 | } |
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| 275 | |
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| 276 | void ssiWriteList(si_link l,lists dd) |
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| 277 | { |
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| 278 | ssiInfo *d=(ssiInfo*)l->data; |
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[a796fb] | 279 | SSI_BLOCK_CHLD; |
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[8ed989] | 280 | fprintf(d->f_write,"%d ",dd->nr+1); |
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[a796fb] | 281 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 282 | int i; |
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| 283 | for(i=0;i<=dd->nr;i++) |
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| 284 | { |
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| 285 | ssiWrite(l,&(dd->m[i])); |
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| 286 | } |
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| 287 | } |
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[4d22d3] | 288 | void ssiWriteIntvec(ssiInfo *d,intvec * v) |
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| 289 | { |
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[a796fb] | 290 | SSI_BLOCK_CHLD; |
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[4d22d3] | 291 | fprintf(d->f_write,"%d ",v->length()); |
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| 292 | int i; |
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| 293 | for(i=0;i<v->length();i++) |
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| 294 | { |
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| 295 | fprintf(d->f_write,"%d ",(*v)[i]); |
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| 296 | } |
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[a796fb] | 297 | SSI_UNBLOCK_CHLD; |
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[4d22d3] | 298 | } |
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[8ed989] | 299 | |
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| 300 | char *ssiReadString(ssiInfo *d) |
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| 301 | { |
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| 302 | char *buf; |
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| 303 | int l; |
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[a796fb] | 304 | SSI_BLOCK_CHLD; |
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[8ed989] | 305 | fscanf(d->f_read,"%d ",&l); |
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[a796fb] | 306 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 307 | buf=(char*)omAlloc(l+1); |
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[a796fb] | 308 | SSI_BLOCK_CHLD; |
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[8ed989] | 309 | fread(buf,1,l,d->f_read); |
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[a796fb] | 310 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 311 | buf[l]='\0'; |
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| 312 | return buf; |
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| 313 | } |
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| 314 | |
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| 315 | int ssiReadInt(FILE *fich) |
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| 316 | { |
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| 317 | int d; |
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[a796fb] | 318 | SSI_BLOCK_CHLD; |
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[8ed989] | 319 | fscanf(fich,"%d",&d); |
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[a796fb] | 320 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 321 | return d; |
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| 322 | } |
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| 323 | |
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| 324 | number ssiReadBigInt(ssiInfo *d) |
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| 325 | { |
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[a796fb] | 326 | int sub_type=-1; |
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| 327 | SSI_BLOCK_CHLD; |
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| 328 | fscanf(d->f_read,"%d",&sub_type); |
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| 329 | SSI_UNBLOCK_CHLD; |
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| 330 | switch(sub_type) |
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| 331 | { |
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[8ed989] | 332 | case 3: |
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| 333 | {// read int or mpz_t or mpz_t, mpz_t |
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| 334 | number n=nlRInit(0); |
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[a796fb] | 335 | SSI_BLOCK_CHLD; |
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[9f8f6a] | 336 | mpz_inp_str(n->z,d->f_read,0); |
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[a796fb] | 337 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 338 | n->s=sub_type; |
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| 339 | return n; |
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| 340 | } |
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[a796fb] | 341 | case 4: |
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| 342 | { |
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| 343 | int dd; |
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| 344 | SSI_BLOCK_CHLD; |
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| 345 | fscanf(d->f_read,"%d",&dd); |
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| 346 | SSI_UNBLOCK_CHLD; |
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| 347 | return INT_TO_SR(dd); |
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| 348 | } |
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| 349 | default: |
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| 350 | Werror("error in reading bigint: invalid subtype %d",sub_type); |
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| 351 | return NULL; |
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[8ed989] | 352 | } |
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| 353 | } |
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| 354 | |
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| 355 | number ssiReadNumber(ssiInfo *d) |
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| 356 | { |
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| 357 | if (rField_is_Q(d->r)) |
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| 358 | { |
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| 359 | int sub_type=-1; |
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[a796fb] | 360 | SSI_BLOCK_CHLD; |
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[8ed989] | 361 | fscanf(d->f_read,"%d",&sub_type); |
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[a796fb] | 362 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 363 | switch(sub_type) |
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| 364 | { |
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| 365 | case 0: |
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| 366 | case 1: |
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[d8bea6a] | 367 | {// read mpz_t, mpz_t |
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[a796fb] | 368 | number n=nlRInit(0); |
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| 369 | mpz_init(n->n); |
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| 370 | SSI_BLOCK_CHLD; |
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| 371 | gmp_fscanf(d->f_read,"%Zd %Zd",n->z,n->n); |
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| 372 | SSI_UNBLOCK_CHLD; |
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| 373 | n->s=sub_type; |
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| 374 | return n; |
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[8ed989] | 375 | } |
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| 376 | |
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| 377 | case 3: |
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[d8bea6a] | 378 | {// read mpz_t |
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[8ed989] | 379 | number n=nlRInit(0); |
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[a796fb] | 380 | SSI_BLOCK_CHLD; |
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[8ed989] | 381 | gmp_fscanf(d->f_read,"%Zd",n->z); |
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[a796fb] | 382 | SSI_UNBLOCK_CHLD; |
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[d8bea6a] | 383 | n->s=3; /*sub_type*/ |
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[8ed989] | 384 | return n; |
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| 385 | } |
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[a796fb] | 386 | case 4: |
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| 387 | { |
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| 388 | int dd; |
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| 389 | SSI_BLOCK_CHLD; |
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| 390 | fscanf(d->f_read,"%d",&dd); |
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| 391 | SSI_UNBLOCK_CHLD; |
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| 392 | return INT_TO_SR(dd); |
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| 393 | } |
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[d8bea6a] | 394 | case 5: |
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| 395 | case 6: |
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| 396 | {// read raw mpz_t, mpz_t |
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[a796fb] | 397 | number n=nlRInit(0); |
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| 398 | mpz_init(n->n); |
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| 399 | SSI_BLOCK_CHLD; |
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| 400 | mpz_inp_str (n->z, d->f_read, 32); |
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| 401 | mpz_inp_str (n->n, d->f_read, 32); |
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| 402 | SSI_UNBLOCK_CHLD; |
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| 403 | n->s=sub_type-5; |
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| 404 | return n; |
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[d8bea6a] | 405 | } |
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| 406 | case 8: |
---|
| 407 | {// read raw mpz_t |
---|
[a796fb] | 408 | number n=nlRInit(0); |
---|
| 409 | SSI_BLOCK_CHLD; |
---|
| 410 | mpz_inp_str (n->z, d->f_read, 32); |
---|
| 411 | SSI_UNBLOCK_CHLD; |
---|
| 412 | n->s=sub_type=3; /*subtype-5*/ |
---|
| 413 | return n; |
---|
[d8bea6a] | 414 | } |
---|
| 415 | |
---|
[8ed989] | 416 | default: Werror("error in reading number: invalid subtype %d",sub_type); |
---|
| 417 | return NULL; |
---|
| 418 | } |
---|
| 419 | } |
---|
| 420 | else if (rField_is_Zp(d->r)) |
---|
| 421 | { |
---|
| 422 | // read int |
---|
| 423 | int dd; |
---|
[a796fb] | 424 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 425 | fscanf(d->f_read,"%d",&dd); |
---|
[a796fb] | 426 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 427 | return (number)dd; |
---|
| 428 | } |
---|
| 429 | else Werror("coeffs not implemented"); |
---|
[57dfde6] | 430 | return NULL; |
---|
[8ed989] | 431 | } |
---|
| 432 | |
---|
| 433 | ring ssiReadRing(ssiInfo *d) |
---|
| 434 | { |
---|
[a796fb] | 435 | /* syntax is <ch> <N> <l1> <v1> ...<lN> <vN> <number of orderings> <ord1> <block0_1> <block1_1> .... */ |
---|
[8ed989] | 436 | int ch, N,i,l; |
---|
| 437 | char **names; |
---|
[a796fb] | 438 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 439 | fscanf(d->f_read,"%d %d ",&ch,&N); |
---|
[a796fb] | 440 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 441 | names=(char**)omAlloc(N*sizeof(char*)); |
---|
| 442 | for(i=0;i<N;i++) |
---|
| 443 | { |
---|
| 444 | names[i]=ssiReadString(d); |
---|
| 445 | } |
---|
| 446 | // read the orderings: |
---|
| 447 | int num_ord; // number of orderings |
---|
[a796fb] | 448 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 449 | fscanf(d->f_read,"%d",&num_ord); |
---|
[a796fb] | 450 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 451 | int *ord=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
---|
| 452 | int *block0=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
---|
| 453 | int *block1=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
---|
[a796fb] | 454 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 455 | for(i=0;i<num_ord;i++) |
---|
| 456 | { |
---|
| 457 | fscanf(d->f_read,"%d %d %d",&ord[i],&block0[i],&block1[i]); |
---|
| 458 | } |
---|
[a796fb] | 459 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 460 | return rDefault(ch,N,names,num_ord,ord,block0,block1); |
---|
| 461 | } |
---|
| 462 | |
---|
| 463 | poly ssiReadPoly(ssiInfo *D) |
---|
| 464 | { |
---|
| 465 | // < # of terms> < term1> < ..... |
---|
| 466 | int n,i,l; |
---|
| 467 | n=ssiReadInt(D->f_read); |
---|
| 468 | //Print("poly: terms:%d\n",n); |
---|
| 469 | poly p; |
---|
| 470 | int j; |
---|
| 471 | j=0; |
---|
| 472 | poly ret=NULL; |
---|
[23206f4] | 473 | poly prev=NULL; |
---|
[8ed989] | 474 | for(l=0;l<n;l++) // read n terms |
---|
| 475 | { |
---|
| 476 | // coef,comp.exp1,..exp N |
---|
| 477 | p=p_Init(D->r); |
---|
| 478 | pGetCoeff(p)=ssiReadNumber(D); |
---|
| 479 | int d; |
---|
[a796fb] | 480 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 481 | fscanf(D->f_read,"%d",&d); |
---|
[a796fb] | 482 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 483 | p_SetComp(p,d,D->r); |
---|
| 484 | for(i=1;i<=rVar(D->r);i++) |
---|
| 485 | { |
---|
[a796fb] | 486 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 487 | fscanf(D->f_read,"%d",&d); |
---|
[a796fb] | 488 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 489 | p_SetExp(p,i,d,D->r); |
---|
| 490 | } |
---|
| 491 | p_Setm(p,D->r); |
---|
| 492 | p_Test(p,D->r); |
---|
[23206f4] | 493 | if (ret==NULL) ret=p; |
---|
| 494 | else pNext(prev)=p; |
---|
| 495 | prev=p; |
---|
[8ed989] | 496 | } |
---|
| 497 | return ret; |
---|
| 498 | } |
---|
| 499 | |
---|
| 500 | ideal ssiReadIdeal(ssiInfo *d) |
---|
| 501 | { |
---|
| 502 | int n,i; |
---|
| 503 | ideal I; |
---|
[a796fb] | 504 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 505 | fscanf(d->f_read,"%d",&n); |
---|
[a796fb] | 506 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 507 | I=idInit(n,1); |
---|
| 508 | for(i=0;i<IDELEMS(I);i++) // read n terms |
---|
| 509 | { |
---|
| 510 | I->m [i]=ssiReadPoly(d); |
---|
| 511 | } |
---|
| 512 | return I; |
---|
| 513 | } |
---|
| 514 | |
---|
| 515 | matrix ssiReadMatrix(ssiInfo *d) |
---|
| 516 | { |
---|
| 517 | int n,m,i,j; |
---|
[a796fb] | 518 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 519 | fscanf(d->f_read,"%d %d",&m,&n); |
---|
[a796fb] | 520 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 521 | matrix M=mpNew(m,n); |
---|
| 522 | poly p; |
---|
| 523 | for(int i=1;i<=MATROWS(M);i++) |
---|
| 524 | for(int j=1;j<=MATCOLS(M);j++) |
---|
| 525 | { |
---|
| 526 | p=ssiReadPoly(d); |
---|
| 527 | MATELEM(M,i,j)=p; |
---|
| 528 | } |
---|
| 529 | return M; |
---|
| 530 | } |
---|
| 531 | |
---|
| 532 | command ssiReadCommand(si_link l) |
---|
| 533 | { |
---|
| 534 | ssiInfo *d=(ssiInfo*)l->data; |
---|
| 535 | // syntax: <num ops> <operation> <op1> <op2> .... |
---|
| 536 | command D=(command)omAlloc0(sizeof(*D)); |
---|
| 537 | int argc,op; |
---|
[a796fb] | 538 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 539 | fscanf(d->f_read,"%d %d",&argc,&op); |
---|
[a796fb] | 540 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 541 | D->argc=argc; D->op=op; |
---|
| 542 | leftv v; |
---|
| 543 | if (argc >0) |
---|
| 544 | { |
---|
| 545 | v=ssiRead1(l); |
---|
| 546 | memcpy(&(D->arg1),v,sizeof(*v)); |
---|
| 547 | omFreeBin(v,sleftv_bin); |
---|
| 548 | } |
---|
[8f650f3] | 549 | if (argc <4) |
---|
[8ed989] | 550 | { |
---|
[8f650f3] | 551 | if (D->argc >1) |
---|
| 552 | { |
---|
| 553 | v=ssiRead1(l); |
---|
| 554 | memcpy(&(D->arg2),v,sizeof(*v)); |
---|
| 555 | omFreeBin(v,sleftv_bin); |
---|
| 556 | } |
---|
| 557 | if (D->argc >2) |
---|
| 558 | { |
---|
| 559 | v=ssiRead1(l); |
---|
| 560 | memcpy(&(D->arg3),v,sizeof(*v)); |
---|
| 561 | omFreeBin(v,sleftv_bin); |
---|
| 562 | } |
---|
[8ed989] | 563 | } |
---|
[8f650f3] | 564 | else |
---|
[8ed989] | 565 | { |
---|
[8f650f3] | 566 | leftv prev=&(D->arg1); |
---|
| 567 | argc--; |
---|
| 568 | while(argc >0) |
---|
| 569 | { |
---|
| 570 | v=ssiRead1(l); |
---|
| 571 | prev->next=v; |
---|
| 572 | prev=v; |
---|
| 573 | argc--; |
---|
| 574 | } |
---|
[8ed989] | 575 | } |
---|
| 576 | return D; |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | procinfov ssiReadProc(ssiInfo *d) |
---|
| 580 | { |
---|
| 581 | char *s=ssiReadString(d); |
---|
| 582 | procinfov p=(procinfov)omAlloc0Bin(procinfo_bin); |
---|
| 583 | p->language=LANG_SINGULAR; |
---|
| 584 | p->libname=omStrDup(""); |
---|
| 585 | p->procname=omStrDup(""); |
---|
| 586 | p->data.s.body=s; |
---|
| 587 | return p; |
---|
| 588 | } |
---|
| 589 | lists ssiReadList(si_link l) |
---|
| 590 | { |
---|
| 591 | ssiInfo *d=(ssiInfo*)l->data; |
---|
| 592 | int nr; |
---|
[a796fb] | 593 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 594 | fscanf(d->f_read,"%d",&nr); |
---|
[a796fb] | 595 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 596 | lists L=(lists)omAlloc(sizeof(*L)); |
---|
| 597 | L->Init(nr); |
---|
| 598 | |
---|
| 599 | int i; |
---|
| 600 | leftv v; |
---|
| 601 | for(i=0;i<nr;i++) |
---|
| 602 | { |
---|
| 603 | v=ssiRead1(l); |
---|
| 604 | memcpy(&(L->m[i]),v,sizeof(*v)); |
---|
| 605 | omFreeBin(v,sleftv_bin); |
---|
| 606 | } |
---|
| 607 | return L; |
---|
| 608 | } |
---|
[4d22d3] | 609 | intvec* ssiReadIntvec(ssiInfo *d) |
---|
| 610 | { |
---|
| 611 | int nr; |
---|
[a796fb] | 612 | SSI_BLOCK_CHLD; |
---|
[4d22d3] | 613 | fscanf(d->f_read,"%d",&nr); |
---|
[a796fb] | 614 | SSI_UNBLOCK_CHLD; |
---|
[4d22d3] | 615 | intvec *v=new intvec(nr); |
---|
[a796fb] | 616 | SSI_BLOCK_CHLD; |
---|
[4d22d3] | 617 | for(int i=0;i<nr;i++) |
---|
| 618 | { |
---|
| 619 | fscanf(d->f_read,"%d",&((*v)[i])); |
---|
| 620 | } |
---|
[a796fb] | 621 | SSI_UNBLOCK_CHLD; |
---|
[4d22d3] | 622 | return v; |
---|
| 623 | } |
---|
[8ed989] | 624 | |
---|
[a088a12] | 625 | void ssiReadBlackbox(leftv res, si_link l) |
---|
| 626 | { |
---|
| 627 | ssiInfo *d=(ssiInfo*)l->data; |
---|
| 628 | int throwaway; |
---|
| 629 | SSI_BLOCK_CHLD; |
---|
| 630 | fscanf(d->f_read,"%d ",&throwaway); |
---|
| 631 | SSI_UNBLOCK_CHLD; |
---|
| 632 | char *name=ssiReadString(d); |
---|
| 633 | int tok; |
---|
| 634 | blackboxIsCmd(name,tok); |
---|
| 635 | if (tok>MAX_TOK) |
---|
| 636 | { |
---|
| 637 | blackbox *b=getBlackboxStuff(tok); |
---|
| 638 | res->rtyp=tok; |
---|
| 639 | b->blackbox_deserialize(&b,&(res->data),l); |
---|
| 640 | } |
---|
| 641 | else |
---|
| 642 | { |
---|
| 643 | Werror("blackbox %s not found",name); |
---|
| 644 | } |
---|
| 645 | } |
---|
| 646 | |
---|
[8ed989] | 647 | //**************************************************************************/ |
---|
[a796fb] | 648 | |
---|
[b5f276e] | 649 | BOOLEAN ssiOpen(si_link l, short flag, leftv u) |
---|
[8ed989] | 650 | { |
---|
[47a616d] | 651 | if (l!=NULL) |
---|
[8ed989] | 652 | { |
---|
[47a616d] | 653 | const char *mode; |
---|
| 654 | ssiInfo *d=(ssiInfo*)omAlloc0(sizeof(ssiInfo)); |
---|
| 655 | sigprocmask(SIG_SETMASK, NULL, &ssi_sigmask); |
---|
| 656 | sigaddset(&ssi_sigmask, SIGCHLD); |
---|
| 657 | if (flag & SI_LINK_OPEN) |
---|
| 658 | { |
---|
| 659 | if (l->mode[0] != '\0' && (strcmp(l->mode, "r") == 0)) |
---|
| 660 | flag = SI_LINK_READ; |
---|
| 661 | else flag = SI_LINK_WRITE; |
---|
| 662 | } |
---|
[8ed989] | 663 | |
---|
[47a616d] | 664 | if (flag == SI_LINK_READ) mode = "r"; |
---|
| 665 | else if (strcmp(l->mode, "w") == 0) mode = "w"; |
---|
| 666 | else if (strcmp(l->mode, "fork") == 0) mode = "fork"; |
---|
| 667 | else if (strcmp(l->mode, "tcp") == 0) mode = "tcp"; |
---|
| 668 | else if (strcmp(l->mode, "connect") == 0) mode = "connect"; |
---|
| 669 | else mode = "a"; |
---|
[8ed989] | 670 | |
---|
| 671 | |
---|
[47a616d] | 672 | SI_LINK_SET_OPEN_P(l, flag); |
---|
| 673 | l->data=d; |
---|
| 674 | omFree(l->mode); |
---|
| 675 | l->mode = omStrDup(mode); |
---|
[3f4696] | 676 | |
---|
[47a616d] | 677 | if (l->name[0] == '\0') |
---|
[8ed989] | 678 | { |
---|
[47a616d] | 679 | if (strcmp(mode,"fork")==0) |
---|
[8ed989] | 680 | { |
---|
[47a616d] | 681 | link_list n=(link_list)omAlloc(sizeof(link_struct)); |
---|
| 682 | n->u=u; |
---|
| 683 | n->l=l; |
---|
| 684 | n->next=(void *)ssiToBeClosed; |
---|
| 685 | ssiToBeClosed=n; |
---|
| 686 | |
---|
| 687 | int pc[2]; |
---|
| 688 | int cp[2]; |
---|
| 689 | pipe(pc); |
---|
| 690 | pipe(cp); |
---|
| 691 | pid_t pid=fork(); |
---|
| 692 | if (pid==0) /*fork: child*/ |
---|
[f47847f] | 693 | { |
---|
[47a616d] | 694 | link_list hh=(link_list)ssiToBeClosed->next; |
---|
| 695 | /* we know: l is the first entry in ssiToBeClosed-list */ |
---|
| 696 | while(hh!=NULL) |
---|
| 697 | { |
---|
| 698 | ssiInfo *dd=(ssiInfo*)hh->l->data; |
---|
| 699 | fclose(dd->f_read); |
---|
| 700 | fclose(dd->f_write); |
---|
| 701 | if (dd->r!=NULL) rKill(dd->r); |
---|
| 702 | omFreeSize((ADDRESS)dd,(sizeof *dd)); |
---|
| 703 | hh->l->data=NULL; |
---|
| 704 | SI_LINK_SET_CLOSE_P(hh->l); |
---|
| 705 | link_list nn=(link_list)hh->next; |
---|
| 706 | omFree(hh); |
---|
| 707 | hh=nn; |
---|
| 708 | } |
---|
| 709 | ssiToBeClosed->next=NULL; |
---|
| 710 | close(pc[1]); close(cp[0]); |
---|
| 711 | d->f_read=fdopen(pc[0],"r"); |
---|
| 712 | d->fd_read=pc[0]; |
---|
| 713 | d->f_write=fdopen(cp[1],"w"); |
---|
| 714 | d->fd_write=cp[1]; |
---|
| 715 | l->data=d; |
---|
| 716 | omFree(l->mode); |
---|
| 717 | l->mode = omStrDup(mode); |
---|
| 718 | singular_in_batchmode=TRUE; |
---|
| 719 | SI_LINK_SET_RW_OPEN_P(l); |
---|
| 720 | //myynest=0; |
---|
| 721 | fe_fgets_stdin=fe_fgets_dummy; |
---|
| 722 | if ((u!=NULL)&&(u->rtyp==IDHDL)) |
---|
| 723 | { |
---|
| 724 | idhdl h=(idhdl)u->data; |
---|
| 725 | h->lev=0; |
---|
| 726 | } |
---|
| 727 | loop |
---|
| 728 | { |
---|
| 729 | leftv h=ssiRead1(l); /*contains an exit.... */ |
---|
| 730 | if (feErrors != NULL && *feErrors != '\0') |
---|
| 731 | { |
---|
| 732 | // handle errors: |
---|
| 733 | PrintS(feErrors); /* currently quite simple */ |
---|
| 734 | *feErrors = '\0'; |
---|
| 735 | } |
---|
| 736 | ssiWrite(l,h); |
---|
| 737 | h->CleanUp(); |
---|
| 738 | omFreeBin(h, sleftv_bin); |
---|
| 739 | } |
---|
| 740 | /* never reached*/ |
---|
[f47847f] | 741 | } |
---|
[47a616d] | 742 | else if (pid>0) /*fork: parent*/ |
---|
[f47847f] | 743 | { |
---|
[47a616d] | 744 | d->pid=pid; |
---|
| 745 | close(pc[0]); close(cp[1]); |
---|
| 746 | d->f_read=fdopen(cp[0],"r"); |
---|
| 747 | d->fd_read=cp[0]; |
---|
| 748 | d->f_write=fdopen(pc[1],"w"); |
---|
| 749 | d->fd_write=pc[1]; |
---|
| 750 | SI_LINK_SET_RW_OPEN_P(l); |
---|
| 751 | d->send_quit_at_exit=1; |
---|
[f47847f] | 752 | } |
---|
[47a616d] | 753 | else |
---|
[8ed989] | 754 | { |
---|
[47a616d] | 755 | Werror("fork failed (%d)",errno); |
---|
| 756 | l->data=NULL; |
---|
| 757 | omFree(d); |
---|
| 758 | return TRUE; |
---|
[8ed989] | 759 | } |
---|
| 760 | } |
---|
[47a616d] | 761 | // --------------------------------------------------------------------- |
---|
| 762 | else if (strcmp(mode,"tcp")==0) |
---|
[8ed989] | 763 | { |
---|
[47a616d] | 764 | int sockfd, newsockfd, portno, clilen; |
---|
| 765 | struct sockaddr_in serv_addr, cli_addr; |
---|
| 766 | int n; |
---|
| 767 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
| 768 | if(sockfd < 0) |
---|
| 769 | { |
---|
| 770 | WerrorS("ERROR opening socket"); |
---|
| 771 | l->data=NULL; |
---|
| 772 | omFree(d); |
---|
| 773 | return TRUE; |
---|
| 774 | } |
---|
| 775 | memset((char *) &serv_addr,0, sizeof(serv_addr)); |
---|
| 776 | portno = 1025; |
---|
| 777 | serv_addr.sin_family = AF_INET; |
---|
| 778 | serv_addr.sin_addr.s_addr = INADDR_ANY; |
---|
| 779 | do |
---|
| 780 | { |
---|
| 781 | portno++; |
---|
| 782 | serv_addr.sin_port = htons(portno); |
---|
| 783 | if(portno > 50000) |
---|
| 784 | { |
---|
| 785 | WerrorS("ERROR on binding (no free port available?)"); |
---|
| 786 | l->data=NULL; |
---|
| 787 | omFree(d); |
---|
| 788 | return TRUE; |
---|
| 789 | } |
---|
| 790 | } |
---|
| 791 | while(bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0); |
---|
| 792 | Print("waiting on port %d\n", portno);mflush(); |
---|
| 793 | listen(sockfd,5); |
---|
| 794 | newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, (socklen_t *)&clilen); |
---|
| 795 | if(newsockfd < 0) |
---|
| 796 | { |
---|
| 797 | WerrorS("ERROR on accept"); |
---|
| 798 | l->data=NULL; |
---|
| 799 | omFree(d); |
---|
| 800 | return TRUE; |
---|
| 801 | } |
---|
| 802 | PrintS("client accepted\n"); |
---|
| 803 | d->fd_read = newsockfd; |
---|
| 804 | d->fd_write = newsockfd; |
---|
| 805 | d->f_read = fdopen(newsockfd, "r"); |
---|
| 806 | d->f_write = fdopen(newsockfd, "w"); |
---|
[76912c] | 807 | SI_LINK_SET_RW_OPEN_P(l); |
---|
[47a616d] | 808 | close(sockfd); |
---|
[8ed989] | 809 | } |
---|
[47a616d] | 810 | // no ssi-Link on stdin or stdout |
---|
[8ed989] | 811 | else |
---|
| 812 | { |
---|
[47a616d] | 813 | Werror("invalid mode >>%s<< for ssi",mode); |
---|
[3f4696] | 814 | l->data=NULL; |
---|
| 815 | omFree(d); |
---|
| 816 | return TRUE; |
---|
[8ed989] | 817 | } |
---|
| 818 | } |
---|
[47a616d] | 819 | // ========================================================================= |
---|
| 820 | else /*l->name=NULL*/ |
---|
[0f4cea] | 821 | { |
---|
[47a616d] | 822 | // tcp mode |
---|
| 823 | if(strcmp(mode,"tcp")==0) |
---|
[0f4cea] | 824 | { |
---|
[47a616d] | 825 | int sockfd, newsockfd, portno, clilen; |
---|
| 826 | struct sockaddr_in serv_addr, cli_addr; |
---|
| 827 | int n; |
---|
| 828 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
| 829 | if(sockfd < 0) |
---|
[0f4cea] | 830 | { |
---|
[47a616d] | 831 | WerrorS("ERROR opening socket"); |
---|
[3f4696] | 832 | l->data=NULL; |
---|
| 833 | omFree(d); |
---|
[0f4cea] | 834 | return TRUE; |
---|
| 835 | } |
---|
[47a616d] | 836 | memset((char *) &serv_addr,0, sizeof(serv_addr)); |
---|
| 837 | portno = 1025; |
---|
| 838 | serv_addr.sin_family = AF_INET; |
---|
| 839 | serv_addr.sin_addr.s_addr = INADDR_ANY; |
---|
| 840 | do |
---|
[76912c] | 841 | { |
---|
[47a616d] | 842 | portno++; |
---|
| 843 | serv_addr.sin_port = htons(portno); |
---|
| 844 | if(portno > 50000) |
---|
| 845 | { |
---|
| 846 | WerrorS("ERROR on binding (no free port available?)"); |
---|
| 847 | l->data=NULL; |
---|
| 848 | return TRUE; |
---|
| 849 | } |
---|
| 850 | } |
---|
| 851 | while(bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0); |
---|
| 852 | //Print("waiting on port %d\n", portno);mflush(); |
---|
| 853 | listen(sockfd,5); |
---|
| 854 | char* cli_host = (char*)omAlloc(256); |
---|
| 855 | char* path = (char*)omAlloc(1024); |
---|
| 856 | int r = sscanf(l->name,"%255[^:]:%s",cli_host,path); |
---|
| 857 | if(r == 0) |
---|
| 858 | { |
---|
| 859 | WerrorS("ERROR: no host specified"); |
---|
[3f4696] | 860 | l->data=NULL; |
---|
[47a616d] | 861 | omFree(d); |
---|
| 862 | omFree(path); |
---|
| 863 | omFree(cli_host); |
---|
[76912c] | 864 | return TRUE; |
---|
| 865 | } |
---|
[47a616d] | 866 | else if(r == 1) |
---|
| 867 | { |
---|
| 868 | WarnS("program not specified, using /usr/local/bin/Singular"); |
---|
| 869 | strcpy(path,"/usr/local/bin/Singular"); |
---|
| 870 | } |
---|
| 871 | char* ssh_command = (char*)omAlloc(256); |
---|
| 872 | char* ser_host = (char*)omAlloc(64); |
---|
| 873 | gethostname(ser_host,64); |
---|
| 874 | sprintf(ssh_command,"ssh %s %s -q --batch --link=ssi --MPhost=%s --MPport=%d &",cli_host,path,ser_host,portno); |
---|
| 875 | //Print("client on %s started:%s\n",cli_host,path); |
---|
[a1c9770] | 876 | omFree(path); |
---|
| 877 | omFree(cli_host); |
---|
[47a616d] | 878 | if (TEST_OPT_PROT) { Print("running >>%s<<\n",ssh_command); } |
---|
| 879 | system(ssh_command); |
---|
| 880 | omFree(ssh_command); |
---|
| 881 | omFree(ser_host); |
---|
| 882 | clilen = sizeof(cli_addr); |
---|
| 883 | newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, (socklen_t *)&clilen); |
---|
| 884 | if(newsockfd < 0) |
---|
| 885 | { |
---|
| 886 | WerrorS("ERROR on accept"); |
---|
| 887 | l->data=NULL; |
---|
| 888 | omFree(d); |
---|
| 889 | return TRUE; |
---|
| 890 | } |
---|
| 891 | //PrintS("client accepted\n"); |
---|
| 892 | d->fd_read = newsockfd; |
---|
| 893 | d->fd_write = newsockfd; |
---|
| 894 | d->f_read = fdopen(newsockfd, "r"); |
---|
| 895 | d->f_write = fdopen(newsockfd, "w"); |
---|
[0f4cea] | 896 | SI_LINK_SET_RW_OPEN_P(l); |
---|
[47a616d] | 897 | d->send_quit_at_exit=1; |
---|
| 898 | close(sockfd); |
---|
| 899 | fprintf(d->f_write,"98 %d %d %u %u\n",SSI_VERSION,MAX_TOK,test,verbose); |
---|
[3f4696] | 900 | } |
---|
[47a616d] | 901 | // ---------------------------------------------------------------------- |
---|
| 902 | else if(strcmp(mode,"connect")==0) |
---|
[76912c] | 903 | { |
---|
[47a616d] | 904 | char* host = (char*)omAlloc(256); |
---|
| 905 | int sockfd, portno, n; |
---|
| 906 | struct sockaddr_in serv_addr; |
---|
| 907 | struct hostent *server; |
---|
| 908 | |
---|
| 909 | sscanf(l->name,"%255[^:]:%d",host,&portno); |
---|
| 910 | //Print("connect to host %s, port %d\n",host,portno);mflush(); |
---|
| 911 | if (portno!=0) |
---|
[76912c] | 912 | { |
---|
[47a616d] | 913 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
| 914 | if (sockfd < 0) { WerrorS("ERROR opening socket"); return TRUE; } |
---|
| 915 | server = gethostbyname(host); |
---|
| 916 | if (server == NULL) { WerrorS("ERROR, no such host"); return TRUE; } |
---|
| 917 | memset((char *) &serv_addr, 0, sizeof(serv_addr)); |
---|
| 918 | serv_addr.sin_family = AF_INET; |
---|
| 919 | memcpy((char *)&serv_addr.sin_addr.s_addr, |
---|
| 920 | (char *)server->h_addr, |
---|
| 921 | server->h_length); |
---|
| 922 | serv_addr.sin_port = htons(portno); |
---|
| 923 | if (connect(sockfd,(sockaddr*)&serv_addr,sizeof(serv_addr)) < 0) |
---|
| 924 | { Werror("ERROR connecting(errno=%d)",errno); return TRUE; } |
---|
| 925 | //PrintS("connected\n");mflush(); |
---|
| 926 | d->f_read=fdopen(sockfd,"r"); |
---|
| 927 | d->fd_read=sockfd; |
---|
| 928 | d->f_write=fdopen(sockfd,"w"); |
---|
| 929 | d->fd_write=sockfd; |
---|
| 930 | SI_LINK_SET_RW_OPEN_P(l); |
---|
| 931 | d->send_quit_at_exit=1; |
---|
| 932 | omFree(host); |
---|
[76912c] | 933 | } |
---|
| 934 | else |
---|
| 935 | { |
---|
[47a616d] | 936 | l->data=NULL; |
---|
| 937 | omFree(d); |
---|
| 938 | return TRUE; |
---|
[76912c] | 939 | } |
---|
| 940 | } |
---|
[47a616d] | 941 | // ====================================================================== |
---|
| 942 | else |
---|
[76912c] | 943 | { |
---|
[47a616d] | 944 | // normal link to a file |
---|
| 945 | FILE *outfile; |
---|
| 946 | char *filename=l->name; |
---|
| 947 | |
---|
| 948 | if(filename[0]=='>') |
---|
| 949 | { |
---|
| 950 | if (filename[1]=='>') |
---|
| 951 | { |
---|
| 952 | filename+=2; |
---|
| 953 | mode = "a"; |
---|
| 954 | } |
---|
| 955 | else |
---|
| 956 | { |
---|
| 957 | filename++; |
---|
| 958 | mode="w"; |
---|
| 959 | } |
---|
| 960 | } |
---|
| 961 | outfile=myfopen(filename,mode); |
---|
| 962 | if (outfile!=NULL) |
---|
| 963 | { |
---|
| 964 | if (strcmp(l->mode,"r")==0) d->f_read = outfile; |
---|
| 965 | else |
---|
| 966 | { |
---|
| 967 | d->f_write = outfile; |
---|
| 968 | fprintf(d->f_write,"98 %d %d %u %u\n",SSI_VERSION,MAX_TOK,test,verbose); |
---|
| 969 | } |
---|
| 970 | } |
---|
[a88046d] | 971 | else |
---|
| 972 | { |
---|
[47a616d] | 973 | omFree(d); |
---|
| 974 | l->data=NULL; |
---|
| 975 | return TRUE; |
---|
[a88046d] | 976 | } |
---|
[76912c] | 977 | } |
---|
[8ed989] | 978 | } |
---|
| 979 | } |
---|
| 980 | |
---|
| 981 | return FALSE; |
---|
| 982 | } |
---|
| 983 | |
---|
| 984 | //**************************************************************************/ |
---|
[3726e2] | 985 | BOOLEAN ssiClose(si_link l) |
---|
[8ed989] | 986 | { |
---|
[d905bf] | 987 | if (l!=NULL) |
---|
[8ed989] | 988 | { |
---|
[d905bf] | 989 | ssiInfo *d = (ssiInfo *)l->data; |
---|
| 990 | if (d!=NULL) |
---|
[87288e] | 991 | { |
---|
[d905bf] | 992 | if (d->r!=NULL) rKill(d->r); |
---|
| 993 | if ((strcmp(l->mode,"tcp")==0) |
---|
| 994 | || (strcmp(l->mode,"fork")==0)) |
---|
[f47847f] | 995 | { |
---|
[d905bf] | 996 | link_list hh=ssiToBeClosed; |
---|
| 997 | if (hh!=NULL) |
---|
[f47847f] | 998 | { |
---|
[d905bf] | 999 | if (hh->l==l) |
---|
| 1000 | { |
---|
| 1001 | ssiToBeClosed=(link_list)hh->next; |
---|
| 1002 | omFreeSize(hh,sizeof(link_struct)); |
---|
| 1003 | } |
---|
| 1004 | else while(hh!=NULL) |
---|
[8a4a44] | 1005 | { |
---|
[d905bf] | 1006 | link_list hhh=(link_list)hh->next; |
---|
| 1007 | if (hhh->l==l) |
---|
| 1008 | { |
---|
| 1009 | hh->next=hhh->next; |
---|
| 1010 | omFreeSize(hhh,sizeof(link_struct)); |
---|
| 1011 | break; |
---|
| 1012 | } |
---|
| 1013 | hh=(link_list)hh->next; |
---|
[8a4a44] | 1014 | } |
---|
[d905bf] | 1015 | } |
---|
| 1016 | if (d->send_quit_at_exit) |
---|
| 1017 | { |
---|
| 1018 | fputs("99\n",d->f_write);fflush(d->f_write); |
---|
[f47847f] | 1019 | } |
---|
| 1020 | } |
---|
[47a616d] | 1021 | if (d->f_read!=NULL) fclose(d->f_read); |
---|
[d905bf] | 1022 | if (d->f_write!=NULL) fclose(d->f_write); |
---|
| 1023 | if (d->pid!=0) |
---|
[3857cb] | 1024 | { |
---|
[d905bf] | 1025 | kill(d->pid,15); |
---|
| 1026 | waitpid(d->pid,NULL,WNOHANG); |
---|
| 1027 | kill(d->pid,9); // just to be sure |
---|
| 1028 | waitpid(d->pid,NULL,0); |
---|
[3857cb] | 1029 | } |
---|
[d905bf] | 1030 | omFreeSize((ADDRESS)d,(sizeof *d)); |
---|
[87288e] | 1031 | } |
---|
[d905bf] | 1032 | l->data=NULL; |
---|
| 1033 | SI_LINK_SET_CLOSE_P(l); |
---|
[8ed989] | 1034 | } |
---|
| 1035 | return FALSE; |
---|
| 1036 | } |
---|
| 1037 | |
---|
| 1038 | //**************************************************************************/ |
---|
[3726e2] | 1039 | leftv ssiRead1(si_link l) |
---|
[8ed989] | 1040 | { |
---|
| 1041 | ssiInfo *d = (ssiInfo *)l->data; |
---|
[c45b2a5] | 1042 | d->ungetc_buf='\0'; |
---|
[8ed989] | 1043 | leftv res=(leftv)omAlloc0(sizeof(sleftv)); |
---|
| 1044 | int t=0; |
---|
[a796fb] | 1045 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 1046 | fscanf(d->f_read,"%d",&t); |
---|
[a796fb] | 1047 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 1048 | //Print("got type %d\n",t); |
---|
| 1049 | switch(t) |
---|
| 1050 | { |
---|
| 1051 | case 1:res->rtyp=INT_CMD; |
---|
| 1052 | res->data=(char *)ssiReadInt(d->f_read); |
---|
| 1053 | break; |
---|
| 1054 | case 2:res->rtyp=STRING_CMD; |
---|
| 1055 | res->data=(char *)ssiReadString(d); |
---|
| 1056 | break; |
---|
| 1057 | case 3:res->rtyp=NUMBER_CMD; |
---|
| 1058 | res->data=(char *)ssiReadNumber(d); |
---|
| 1059 | break; |
---|
| 1060 | case 4:res->rtyp=BIGINT_CMD; |
---|
| 1061 | res->data=(char *)ssiReadBigInt(d); |
---|
| 1062 | break; |
---|
[8f650f3] | 1063 | case 15: |
---|
[8ed989] | 1064 | case 5:{ |
---|
| 1065 | d->r=ssiReadRing(d); |
---|
| 1066 | d->r->ref++; |
---|
| 1067 | res->rtyp=RING_CMD; |
---|
| 1068 | res->data=(char*)d->r; |
---|
| 1069 | // we are in the top-level, so set the basering to d->r: |
---|
| 1070 | ssiSetCurrRing(d->r); |
---|
[8f650f3] | 1071 | if (t==15) return ssiRead1(l); |
---|
[8ed989] | 1072 | } |
---|
| 1073 | break; |
---|
| 1074 | case 6:res->rtyp=POLY_CMD; |
---|
| 1075 | if (d->r==NULL) goto no_ring; |
---|
| 1076 | res->data=(char*)ssiReadPoly(d); |
---|
| 1077 | break; |
---|
| 1078 | case 7:res->rtyp=IDEAL_CMD; |
---|
| 1079 | if (d->r==NULL) goto no_ring; |
---|
| 1080 | res->data=(char*)ssiReadIdeal(d); |
---|
| 1081 | break; |
---|
| 1082 | case 8:res->rtyp=MATRIX_CMD; |
---|
| 1083 | if (d->r==NULL) goto no_ring; |
---|
| 1084 | res->data=(char*)ssiReadMatrix(d); |
---|
| 1085 | break; |
---|
| 1086 | case 9:res->rtyp=VECTOR_CMD; |
---|
| 1087 | if (d->r==NULL) goto no_ring; |
---|
| 1088 | res->data=(char*)ssiReadPoly(d); |
---|
| 1089 | break; |
---|
| 1090 | case 10:res->rtyp=MODUL_CMD; |
---|
| 1091 | if (d->r==NULL) goto no_ring; |
---|
| 1092 | res->data=(char*)ssiReadIdeal(d); |
---|
| 1093 | break; |
---|
| 1094 | case 11: |
---|
| 1095 | { |
---|
| 1096 | res->rtyp=COMMAND; |
---|
| 1097 | res->data=ssiReadCommand(l); |
---|
| 1098 | int nok=res->Eval(); |
---|
| 1099 | if (nok) WerrorS("error in eval"); |
---|
| 1100 | break; |
---|
| 1101 | } |
---|
[8f650f3] | 1102 | case 12: /*DEF_CMD*/ |
---|
[8ed989] | 1103 | { |
---|
| 1104 | res->rtyp=0; |
---|
| 1105 | res->name=(char *)ssiReadString(d); |
---|
| 1106 | int nok=res->Eval(); |
---|
| 1107 | if (nok) WerrorS("error in name lookup"); |
---|
| 1108 | break; |
---|
| 1109 | } |
---|
| 1110 | case 13: res->rtyp=PROC_CMD; |
---|
| 1111 | res->data=ssiReadProc(d); |
---|
| 1112 | break; |
---|
| 1113 | case 14: res->rtyp=LIST_CMD; |
---|
| 1114 | res->data=ssiReadList(l); |
---|
| 1115 | break; |
---|
[e8c21d] | 1116 | case 16: res->rtyp=NONE; res->data=NULL; |
---|
[05241a] | 1117 | break; |
---|
[4d22d3] | 1118 | case 17: res->rtyp=INTVEC_CMD; |
---|
| 1119 | res->data=ssiReadIntvec(d); |
---|
| 1120 | break; |
---|
[a088a12] | 1121 | case 20: ssiReadBlackbox(res,l); |
---|
| 1122 | break; |
---|
[a88046d] | 1123 | // ------------ |
---|
| 1124 | case 98: // version |
---|
| 1125 | { |
---|
| 1126 | int n98_v,n98_m; |
---|
| 1127 | BITSET n98_o1,n98_o2; |
---|
[a796fb] | 1128 | SSI_BLOCK_CHLD; |
---|
[a88046d] | 1129 | fscanf(d->f_read,"%d %d %u %u\n",&n98_v,&n98_m,&n98_o1,&n98_o2); |
---|
[a796fb] | 1130 | SSI_UNBLOCK_CHLD; |
---|
[a88046d] | 1131 | if ((n98_v!=SSI_VERSION) ||(n98_m!=MAX_TOK)) |
---|
| 1132 | { |
---|
| 1133 | Print("incompatible versions of ssi: %d/%d vs %d/%d", |
---|
| 1134 | SSI_VERSION,MAX_TOK,n98_v,n98_m); |
---|
| 1135 | } |
---|
[44e1b7f] | 1136 | #ifndef NDEBUG |
---|
| 1137 | if (TEST_OPT_DEBUG) |
---|
| 1138 | Print("// opening ssi-%d, MAX_TOK=%d\n",n98_v,n98_m); |
---|
| 1139 | #endif |
---|
[a88046d] | 1140 | test=n98_o1; |
---|
| 1141 | verbose=n98_o2; |
---|
[44e1b7f] | 1142 | return ssiRead1(l); |
---|
[a88046d] | 1143 | } |
---|
[8ed989] | 1144 | case 99: ssiClose(l); exit(0); |
---|
| 1145 | case 0: if (feof(d->f_read)) |
---|
| 1146 | { |
---|
| 1147 | ssiClose(l); |
---|
| 1148 | res->rtyp=DEF_CMD; |
---|
| 1149 | break; |
---|
| 1150 | } |
---|
[76912c] | 1151 | default: Werror("not implemented (t:%d)",t); |
---|
[8ed989] | 1152 | omFreeSize(res,sizeof(sleftv)); |
---|
| 1153 | res=NULL; |
---|
| 1154 | break; |
---|
| 1155 | } |
---|
| 1156 | return res; |
---|
| 1157 | no_ring: WerrorS("no ring"); |
---|
[a796fb] | 1158 | omFreeSize(res,sizeof(sleftv)); |
---|
[8ed989] | 1159 | return NULL; |
---|
| 1160 | } |
---|
| 1161 | //**************************************************************************/ |
---|
[3726e2] | 1162 | BOOLEAN ssiWrite(si_link l, leftv data) |
---|
[8ed989] | 1163 | { |
---|
[47a616d] | 1164 | if(SI_LINK_W_OPEN_P(l)==0) |
---|
| 1165 | if (slOpen(l,SI_LINK_OPEN|SI_LINK_WRITE,NULL)) return TRUE; |
---|
[8ed989] | 1166 | ssiInfo *d = (ssiInfo *)l->data; |
---|
| 1167 | d->level++; |
---|
| 1168 | //FILE *fich=d->f; |
---|
| 1169 | while (data!=NULL) |
---|
| 1170 | { |
---|
| 1171 | int tt=data->Typ(); |
---|
| 1172 | void *dd=data->Data(); |
---|
| 1173 | |
---|
| 1174 | switch(tt /*data->Typ()*/) |
---|
| 1175 | { |
---|
[a5d5fc] | 1176 | case NONE/* nothing*/:fputs("16 ",d->f_write); |
---|
[f47847f] | 1177 | break; |
---|
[a5d5fc] | 1178 | case STRING_CMD: fputs("2 ",d->f_write); |
---|
[8ed989] | 1179 | ssiWriteString(d,(char *)dd); |
---|
| 1180 | break; |
---|
[a5d5fc] | 1181 | case INT_CMD: fputs("1 ",d->f_write); |
---|
[8ed989] | 1182 | ssiWriteInt(d,(int)(long)dd); |
---|
| 1183 | break; |
---|
[a5d5fc] | 1184 | case BIGINT_CMD:fputs("4 ",d->f_write); |
---|
[8ed989] | 1185 | ssiWriteBigInt(d,(number)dd); |
---|
| 1186 | break; |
---|
| 1187 | case NUMBER_CMD: |
---|
| 1188 | if (d->r!=currRing) |
---|
| 1189 | { |
---|
[a5d5fc] | 1190 | fputs("15 ",d->f_write); |
---|
[8ed989] | 1191 | ssiWriteRing(d,currRing); |
---|
[a5d5fc] | 1192 | if (d->level<=1) fputc('\n',d->f_write); |
---|
[8ed989] | 1193 | } |
---|
[a5d5fc] | 1194 | fputs("3 ",d->f_write); |
---|
[8ed989] | 1195 | ssiWriteNumber(d,(number)dd); |
---|
| 1196 | break; |
---|
[a5d5fc] | 1197 | case RING_CMD:fputs("5 ",d->f_write); |
---|
[8ed989] | 1198 | ssiWriteRing(d,(ring)dd); |
---|
| 1199 | break; |
---|
| 1200 | case POLY_CMD: |
---|
| 1201 | case VECTOR_CMD: |
---|
| 1202 | if (d->r!=currRing) |
---|
| 1203 | { |
---|
[a5d5fc] | 1204 | fputs("15 ",d->f_write); |
---|
[8ed989] | 1205 | ssiWriteRing(d,currRing); |
---|
[a5d5fc] | 1206 | if (d->level<=1) fputc('\n',d->f_write); |
---|
[8ed989] | 1207 | } |
---|
[a5d5fc] | 1208 | if(tt==POLY_CMD) fputs("6 ",d->f_write); |
---|
| 1209 | else fputs("9 ",d->f_write); |
---|
[8ed989] | 1210 | ssiWritePoly(d,tt,(poly)dd); |
---|
| 1211 | break; |
---|
| 1212 | case IDEAL_CMD: |
---|
| 1213 | case MODUL_CMD: |
---|
| 1214 | case MATRIX_CMD: |
---|
| 1215 | if (d->r!=currRing) |
---|
| 1216 | { |
---|
[a5d5fc] | 1217 | fputs("15 ",d->f_write); |
---|
[8ed989] | 1218 | ssiWriteRing(d,currRing); |
---|
[a5d5fc] | 1219 | if (d->level<=1) fputc('\n',d->f_write); |
---|
[8ed989] | 1220 | } |
---|
[a5d5fc] | 1221 | if(tt==IDEAL_CMD) fputs("7 ",d->f_write); |
---|
| 1222 | else if(tt==MATRIX_CMD) fputs("8 ",d->f_write); |
---|
| 1223 | else fputs("10 ",d->f_write); |
---|
[8ed989] | 1224 | ssiWriteIdeal(d,tt,(ideal)dd); |
---|
| 1225 | break; |
---|
| 1226 | case COMMAND: |
---|
[a5d5fc] | 1227 | fputs("11 ",d->f_write); |
---|
[8ed989] | 1228 | ssiWriteCommand(l,(command)dd); |
---|
| 1229 | break; |
---|
| 1230 | case DEF_CMD: /* not evaluated stuff in quotes */ |
---|
[a5d5fc] | 1231 | fputs("12 ",d->f_write); |
---|
[8f650f3] | 1232 | ssiWriteString(d,data->Name()); |
---|
[8ed989] | 1233 | break; |
---|
| 1234 | case PROC_CMD: |
---|
[a5d5fc] | 1235 | fputs("13 ",d->f_write); |
---|
[8f650f3] | 1236 | ssiWriteProc(d,(procinfov)dd); |
---|
| 1237 | break; |
---|
[8ed989] | 1238 | case LIST_CMD: |
---|
[a5d5fc] | 1239 | fputs("14 ",d->f_write); |
---|
[8f650f3] | 1240 | ssiWriteList(l,(lists)dd); |
---|
| 1241 | break; |
---|
[4d22d3] | 1242 | case INTVEC_CMD: |
---|
[a5d5fc] | 1243 | fputs("17 ",d->f_write); |
---|
[4d22d3] | 1244 | ssiWriteIntvec(d,(intvec *)dd); |
---|
| 1245 | break; |
---|
[a088a12] | 1246 | default: |
---|
| 1247 | if (tt>MAX_TOK) |
---|
| 1248 | { |
---|
| 1249 | blackbox *b=getBlackboxStuff(tt); |
---|
[a5d5fc] | 1250 | fputs("20 ",d->f_write); |
---|
[a088a12] | 1251 | b->blackbox_serialize(b,dd,l); |
---|
| 1252 | } |
---|
| 1253 | else |
---|
| 1254 | { |
---|
| 1255 | Werror("not implemented (t:%d, rtyp:%d)",tt, data->rtyp); |
---|
| 1256 | d->level=0; |
---|
| 1257 | return TRUE; |
---|
| 1258 | } |
---|
| 1259 | break; |
---|
[8ed989] | 1260 | } |
---|
[a5d5fc] | 1261 | if (d->level<=1) { fputc('\n',d->f_write); fflush(d->f_write); } |
---|
[8ed989] | 1262 | data=data->next; |
---|
| 1263 | } |
---|
| 1264 | d->level--; |
---|
| 1265 | return FALSE; |
---|
| 1266 | } |
---|
| 1267 | |
---|
| 1268 | si_link_extension slInitSsiExtension(si_link_extension s) |
---|
| 1269 | { |
---|
[b5f276e] | 1270 | s->Open=ssiOpen; |
---|
| 1271 | s->Close=ssiClose; |
---|
| 1272 | s->Kill=ssiClose; |
---|
| 1273 | s->Read=ssiRead1; |
---|
[8ed989] | 1274 | s->Read2=(slRead2Proc)NULL; |
---|
[b5f276e] | 1275 | s->Write=ssiWrite; |
---|
[8ed989] | 1276 | |
---|
| 1277 | s->Status=slStatusSsi; |
---|
| 1278 | s->type="ssi"; |
---|
| 1279 | return s; |
---|
| 1280 | } |
---|
[c45b2a5] | 1281 | |
---|
[8ed989] | 1282 | const char* slStatusSsi(si_link l, const char* request) |
---|
| 1283 | { |
---|
| 1284 | ssiInfo *d=(ssiInfo*)l->data; |
---|
[767349] | 1285 | if (d==NULL) return "not open"; |
---|
[76912c] | 1286 | if (((strcmp(l->mode,"fork")==0)||(strcmp(l->mode,"tcp")==0)) |
---|
| 1287 | && (strcmp(request, "read") == 0)) |
---|
[8ed989] | 1288 | { |
---|
| 1289 | fd_set mask, fdmask; |
---|
| 1290 | struct timeval wt; |
---|
[c45b2a5] | 1291 | if (d->ungetc_buf) return "ready"; |
---|
[8ed989] | 1292 | loop |
---|
| 1293 | { |
---|
| 1294 | /* Don't block. Return socket status immediately. */ |
---|
| 1295 | wt.tv_sec = 0; |
---|
| 1296 | wt.tv_usec = 0; |
---|
| 1297 | |
---|
| 1298 | FD_ZERO(&mask); |
---|
| 1299 | FD_SET(d->fd_read, &mask); |
---|
[767349] | 1300 | //Print("test fd %d\n",d->fd_read); |
---|
[8ed989] | 1301 | /* check with select: chars waiting: no -> not ready */ |
---|
| 1302 | switch (select(d->fd_read+1, &mask, NULL, NULL, &wt)) |
---|
| 1303 | { |
---|
| 1304 | case 0: /* not ready */ return "not ready"; |
---|
| 1305 | case -1: /*error*/ return "error"; |
---|
| 1306 | case 1: /*ready ? */ break; |
---|
| 1307 | } |
---|
| 1308 | /* yes: read 1 char*/ |
---|
| 1309 | /* if \n, check again with select else ungetc(c), ready*/ |
---|
| 1310 | int c=fgetc(d->f_read); |
---|
[767349] | 1311 | //Print("try c=%d\n",c); |
---|
[bc0078] | 1312 | if (c== -1) return "eof"; /* eof or error */ |
---|
[6c2364] | 1313 | else if (isdigit(c)) |
---|
[c45b2a5] | 1314 | { ungetc(c,d->f_read); d->ungetc_buf='\1'; return "ready"; } |
---|
[76912c] | 1315 | else if (c>' ') |
---|
[8ed989] | 1316 | { |
---|
[6c2364] | 1317 | Werror("unknown char in ssiLink(%d)",c); |
---|
| 1318 | return "error"; |
---|
[8ed989] | 1319 | } |
---|
[6c2364] | 1320 | /* else: next char */ |
---|
[8ed989] | 1321 | } |
---|
| 1322 | } |
---|
| 1323 | else if (strcmp(request, "read") == 0) |
---|
| 1324 | { |
---|
| 1325 | if (SI_LINK_R_OPEN_P(l) && (!feof(d->f_read))) return "ready"; |
---|
| 1326 | else return "not ready"; |
---|
| 1327 | } |
---|
| 1328 | else if (strcmp(request, "write") == 0) |
---|
| 1329 | { |
---|
| 1330 | if (SI_LINK_W_OPEN_P(l)) return "ready"; |
---|
| 1331 | else return "not ready"; |
---|
| 1332 | } |
---|
| 1333 | else return "unknown status request"; |
---|
| 1334 | } |
---|
[19bece] | 1335 | |
---|
[a00221d] | 1336 | int slStatusSsiL(lists L, int timeout) |
---|
| 1337 | { |
---|
[bc0078] | 1338 | // input: L: a list with links of type |
---|
[1edbcdd] | 1339 | // ssi-fork, ssi-tcp, MPtcp-fork or MPtcp-launch. |
---|
| 1340 | // Note: Not every entry in L must be set. |
---|
[42e13c] | 1341 | // timeout: timeout for select in micro-seconds |
---|
| 1342 | // or -1 for infinity |
---|
| 1343 | // or 0 for polling |
---|
| 1344 | // returns: ERROR (via Werror): L has wrong elements or link not open |
---|
| 1345 | // -2: select returns an error |
---|
[1edbcdd] | 1346 | // -1: the read state of all links is eof |
---|
| 1347 | // 0: timeout (or polling): none ready, |
---|
[42e13c] | 1348 | // i>0: (at least) L[i] is ready |
---|
[a00221d] | 1349 | si_link l; |
---|
| 1350 | ssiInfo *d; |
---|
[19bece] | 1351 | #ifdef HAVE_MPSR |
---|
| 1352 | MP_Link_pt dd; |
---|
| 1353 | #endif |
---|
| 1354 | int d_fd; |
---|
[a00221d] | 1355 | fd_set mask, fdmask; |
---|
[1edbcdd] | 1356 | FD_ZERO(&fdmask); |
---|
[a00221d] | 1357 | FD_ZERO(&mask); |
---|
[1edbcdd] | 1358 | int max_fd=0; /* 1 + max fd in fd_set */ |
---|
| 1359 | |
---|
| 1360 | /* timeout */ |
---|
[fec3bde] | 1361 | #ifdef HAVE_PSELECT |
---|
[1edbcdd] | 1362 | struct timespec wt; |
---|
| 1363 | struct timespec *wt_ptr=&wt; |
---|
[fec3bde] | 1364 | #else |
---|
| 1365 | struct timeval wt; |
---|
| 1366 | struct timeval *wt_ptr=&wt; |
---|
| 1367 | #endif |
---|
| 1368 | int startingtime = getRTimer()/TIMER_RESOLUTION; // in seconds |
---|
[1edbcdd] | 1369 | if (timeout== -1) |
---|
| 1370 | { |
---|
| 1371 | wt_ptr=NULL; |
---|
| 1372 | } |
---|
| 1373 | else |
---|
| 1374 | { |
---|
| 1375 | wt.tv_sec = timeout / 1000000; |
---|
[fec3bde] | 1376 | #ifdef HAVE_PSELECT |
---|
[1edbcdd] | 1377 | wt.tv_nsec = 1000 * (timeout % 1000000); |
---|
[fec3bde] | 1378 | #else |
---|
| 1379 | wt.tv_usec = timeout % 1000000; |
---|
| 1380 | #endif |
---|
[1edbcdd] | 1381 | } |
---|
| 1382 | |
---|
| 1383 | /* signal mask for pselect() */ |
---|
| 1384 | sigset_t sigmask; |
---|
| 1385 | if(sigprocmask(SIG_SETMASK, NULL, &sigmask) < 0) |
---|
| 1386 | { |
---|
| 1387 | WerrorS("error in sigprocmask()"); |
---|
| 1388 | return -2; |
---|
| 1389 | } |
---|
| 1390 | if(sigaddset(&sigmask, SIGCHLD) < 0) |
---|
| 1391 | { |
---|
| 1392 | WerrorS("error in sigaddset()"); |
---|
| 1393 | return -2; |
---|
| 1394 | } |
---|
| 1395 | |
---|
| 1396 | /* auxiliary variables */ |
---|
[a00221d] | 1397 | int i; |
---|
[1edbcdd] | 1398 | int j; |
---|
| 1399 | int k; |
---|
| 1400 | int s; |
---|
| 1401 | char fdmaskempty; |
---|
| 1402 | |
---|
| 1403 | /* check the links and fill in fdmask */ |
---|
[6c70ef] | 1404 | for(i=L->nr; i>=0; i--) |
---|
[a00221d] | 1405 | { |
---|
[7a81686] | 1406 | if (L->m[i].Typ()!=DEF_CMD) |
---|
[4fe434] | 1407 | { |
---|
[7a81686] | 1408 | if (L->m[i].Typ()!=LINK_CMD) |
---|
| 1409 | { WerrorS("all elements must be of type link"); return -2;} |
---|
| 1410 | l=(si_link)L->m[i].Data(); |
---|
| 1411 | if(SI_LINK_OPEN_P(l)==0) |
---|
| 1412 | { WerrorS("all links must be open"); return -2;} |
---|
| 1413 | if (((strcmp(l->m->type,"ssi")!=0) && (strcmp(l->m->type,"MPtcp")!=0)) |
---|
| 1414 | || ((strcmp(l->mode,"fork")!=0) && (strcmp(l->mode,"tcp")!=0) |
---|
| 1415 | && (strcmp(l->mode,"launch")!=0))) |
---|
| 1416 | { |
---|
[1edbcdd] | 1417 | WerrorS("all links must be of type ssi:fork, ssi:tcp, MPtcp:fork\n"); |
---|
| 1418 | WerrorS("or MPtcp:launch"); |
---|
[7a81686] | 1419 | return -2; |
---|
| 1420 | } |
---|
[19bece] | 1421 | #ifdef HAVE_MPSR |
---|
[7a81686] | 1422 | if (strcmp(l->m->type,"ssi")==0) |
---|
| 1423 | { |
---|
| 1424 | d=(ssiInfo*)l->data; |
---|
| 1425 | d_fd=d->fd_read; |
---|
| 1426 | } |
---|
| 1427 | else |
---|
| 1428 | { |
---|
| 1429 | dd=(MP_Link_pt)l->data; |
---|
| 1430 | d_fd=((MP_TCP_t *)dd->transp.private1)->sock; |
---|
| 1431 | } |
---|
| 1432 | #else |
---|
[19bece] | 1433 | d=(ssiInfo*)l->data; |
---|
| 1434 | d_fd=d->fd_read; |
---|
| 1435 | #endif |
---|
[1edbcdd] | 1436 | FD_SET(d_fd, &fdmask); |
---|
[7a81686] | 1437 | if (d_fd > max_fd) max_fd=d_fd; |
---|
| 1438 | } |
---|
[a00221d] | 1439 | } |
---|
[6c70ef] | 1440 | max_fd++; |
---|
[1edbcdd] | 1441 | |
---|
| 1442 | do_select: |
---|
| 1443 | /* copy fdmask to mask */ |
---|
| 1444 | FD_ZERO(&mask); |
---|
| 1445 | for(k = 0; k < max_fd; k++) |
---|
[a00221d] | 1446 | { |
---|
[1edbcdd] | 1447 | if(FD_ISSET(k, &fdmask)) |
---|
| 1448 | { |
---|
| 1449 | FD_SET(k, &mask); |
---|
| 1450 | } |
---|
[a00221d] | 1451 | } |
---|
[1edbcdd] | 1452 | |
---|
[a00221d] | 1453 | /* check with select: chars waiting: no -> not ready */ |
---|
[fec3bde] | 1454 | #ifdef HAVE_PSELECT |
---|
[1edbcdd] | 1455 | s = pselect(max_fd, &mask, NULL, NULL, wt_ptr, &sigmask); |
---|
[fec3bde] | 1456 | #else |
---|
[a796fb] | 1457 | SSI_BLOCK_CHLD; |
---|
| 1458 | s = select(max_fd, &mask, NULL, NULL, wt_ptr); |
---|
| 1459 | SSI_UNBLOCK_CHLD; |
---|
| 1460 | #endif |
---|
[fec3bde] | 1461 | |
---|
[8a9bcca] | 1462 | if (s==-1) |
---|
[a796fb] | 1463 | { |
---|
[8a9bcca] | 1464 | WerrorS("error in select call"); |
---|
| 1465 | return -2; /*error*/ |
---|
| 1466 | } |
---|
[f47847f] | 1467 | if (s==0) |
---|
[a00221d] | 1468 | { |
---|
[1edbcdd] | 1469 | return 0; /*poll: not ready */ |
---|
[a00221d] | 1470 | } |
---|
[bc0078] | 1471 | else /* s>0, at least one ready (the number of fd which are ready is s)*/ |
---|
[a00221d] | 1472 | { |
---|
[bc0078] | 1473 | j=0; |
---|
[a00221d] | 1474 | while (j<=max_fd) { if (FD_ISSET(j,&mask)) break; j++; } |
---|
[6c70ef] | 1475 | for(i=L->nr; i>=0; i--) |
---|
[a00221d] | 1476 | { |
---|
[7a81686] | 1477 | if (L->m[i].rtyp==LINK_CMD) |
---|
[19bece] | 1478 | { |
---|
[7a81686] | 1479 | l=(si_link)L->m[i].Data(); |
---|
| 1480 | #ifdef HAVE_MPSR |
---|
| 1481 | if (strcmp(l->m->type,"ssi")!=0) |
---|
| 1482 | { |
---|
| 1483 | // for MP links, return here: |
---|
| 1484 | dd=(MP_Link_pt)l->data; |
---|
| 1485 | d_fd=((MP_TCP_t *)dd->transp.private1)->sock; |
---|
| 1486 | if(j==d_fd) return i+1; |
---|
| 1487 | } |
---|
| 1488 | else |
---|
| 1489 | { |
---|
| 1490 | d=(ssiInfo*)l->data; |
---|
| 1491 | d_fd=d->fd_read; |
---|
| 1492 | if(j==d_fd) break; |
---|
| 1493 | } |
---|
| 1494 | #else |
---|
[19bece] | 1495 | d=(ssiInfo*)l->data; |
---|
| 1496 | d_fd=d->fd_read; |
---|
| 1497 | if(j==d_fd) break; |
---|
[7a81686] | 1498 | #endif |
---|
[19bece] | 1499 | } |
---|
[a00221d] | 1500 | } |
---|
[19bece] | 1501 | // only ssi links: |
---|
[c45b2a5] | 1502 | if (d->ungetc_buf) return i+1; |
---|
[a00221d] | 1503 | loop |
---|
| 1504 | { |
---|
| 1505 | /* yes: read 1 char*/ |
---|
| 1506 | /* if \n, check again with select else ungetc(c), ready*/ |
---|
| 1507 | /* setting: d: current ssiInfo, j current fd, i current entry in L*/ |
---|
| 1508 | int c=fgetc(d->f_read); |
---|
| 1509 | //Print("try c=%d\n",c); |
---|
[1edbcdd] | 1510 | if (c== -1) /* eof */ |
---|
[bc0078] | 1511 | { |
---|
[1edbcdd] | 1512 | FD_CLR(j,&fdmask); |
---|
| 1513 | fdmaskempty = 1; |
---|
| 1514 | for(k = 0; k < max_fd; k++) |
---|
| 1515 | { |
---|
| 1516 | if(FD_ISSET(k, &fdmask)) |
---|
| 1517 | { |
---|
| 1518 | fdmaskempty = 0; |
---|
| 1519 | break; |
---|
| 1520 | } |
---|
| 1521 | } |
---|
| 1522 | if(fdmaskempty) |
---|
| 1523 | { |
---|
| 1524 | return -1; |
---|
| 1525 | } |
---|
| 1526 | if(timeout != -1) |
---|
| 1527 | { |
---|
| 1528 | timeout = si_max(0, |
---|
| 1529 | timeout - 1000000*(getRTimer()/TIMER_RESOLUTION - startingtime)); |
---|
| 1530 | wt.tv_sec = timeout / 1000000; |
---|
[fec3bde] | 1531 | #ifdef HAVE_PSELECT |
---|
[1edbcdd] | 1532 | wt.tv_nsec = 1000 * (timeout % 1000000); |
---|
[fec3bde] | 1533 | #else |
---|
| 1534 | wt.tv_usec = (timeout % 1000000); |
---|
| 1535 | #endif |
---|
[1edbcdd] | 1536 | } |
---|
| 1537 | goto do_select; |
---|
[bc0078] | 1538 | } |
---|
[1edbcdd] | 1539 | |
---|
[a00221d] | 1540 | else if (isdigit(c)) |
---|
[c45b2a5] | 1541 | { ungetc(c,d->f_read); d->ungetc_buf='\1'; return i+1; } |
---|
[a00221d] | 1542 | else if (c>' ') |
---|
| 1543 | { |
---|
| 1544 | Werror("unknown char in ssiLink(%d)",c); |
---|
| 1545 | return -2; |
---|
| 1546 | } |
---|
| 1547 | /* else: next char */ |
---|
| 1548 | } |
---|
| 1549 | } |
---|
| 1550 | } |
---|
| 1551 | |
---|
[841fec] | 1552 | int ssiBatch(const char *host, const char * port) |
---|
| 1553 | /* return 0 on success, >0 else*/ |
---|
| 1554 | { |
---|
[87288e] | 1555 | si_link l=(si_link) omAlloc0Bin(sip_link_bin); |
---|
| 1556 | char *buf=(char*)omAlloc(256); |
---|
| 1557 | sprintf(buf,"ssi:connect %s:%s",host,port); |
---|
| 1558 | slInit(l, buf); |
---|
[47a616d] | 1559 | if (slOpen(l,SI_LINK_OPEN,NULL)) return 1; |
---|
[87288e] | 1560 | SI_LINK_SET_RW_OPEN_P(l); |
---|
[b65d1d] | 1561 | |
---|
| 1562 | idhdl id = enterid(omStrDup("link_ll"), 0, LINK_CMD, &IDROOT, FALSE); |
---|
| 1563 | IDLINK(id) = l; |
---|
| 1564 | |
---|
[87288e] | 1565 | loop |
---|
[0f4cea] | 1566 | { |
---|
[87288e] | 1567 | leftv h=ssiRead1(l); /*contains an exit.... */ |
---|
| 1568 | if (feErrors != NULL && *feErrors != '\0') |
---|
[0f4cea] | 1569 | { |
---|
[87288e] | 1570 | // handle errors: |
---|
| 1571 | PrintS(feErrors); /* currently quite simple */ |
---|
| 1572 | *feErrors = '\0'; |
---|
[0f4cea] | 1573 | } |
---|
[87288e] | 1574 | ssiWrite(l,h); |
---|
| 1575 | h->CleanUp(); |
---|
| 1576 | omFreeBin(h, sleftv_bin); |
---|
[0f4cea] | 1577 | } |
---|
[87288e] | 1578 | /* never reached*/ |
---|
[0f4cea] | 1579 | exit(0); |
---|
[841fec] | 1580 | } |
---|
| 1581 | |
---|
[8ed989] | 1582 | // ---------------------------------------------------------------- |
---|
| 1583 | // format |
---|
| 1584 | // 1 int %d |
---|
| 1585 | // 2 string <len> %s |
---|
| 1586 | // 3 number |
---|
| 1587 | // 4 bigint 4 %d or 3 <mpz_t> |
---|
| 1588 | // 5 ring |
---|
| 1589 | // 6 poly |
---|
| 1590 | // 7 ideal |
---|
| 1591 | // 8 matrix |
---|
| 1592 | // 9 vector |
---|
| 1593 | // 10 module |
---|
| 1594 | // 11 command |
---|
| 1595 | // 12 def <len> %s |
---|
| 1596 | // 13 proc <len> %s |
---|
| 1597 | // 14 list %d <elem1> .... |
---|
[8f650f3] | 1598 | // 15 setring ....... |
---|
[05241a] | 1599 | // 16 nothing |
---|
[4d22d3] | 1600 | // 17 intvec <len> ... |
---|
[8ed989] | 1601 | // |
---|
[a088a12] | 1602 | // 20 blackbox <name> ... |
---|
| 1603 | // |
---|
[a88046d] | 1604 | // 98: verify version: <ssi-version> <MAX_TOK> <OPT1> <OPT2> |
---|
[05241a] | 1605 | // 99: quit Singular |
---|