[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 | ***************************************************************/ |
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[8f650f3] | 8 | #include <stdio.h> |
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| 9 | #include <fcntl.h> |
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| 10 | #include <errno.h> |
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| 11 | #include <unistd.h> |
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[8ed989] | 12 | #include <sys/types.h> |
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| 13 | #include <signal.h> |
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[76912c] | 14 | #include <sys/types.h> /* for portability */ |
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[8ed989] | 15 | #include <sys/select.h> |
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[76912c] | 16 | #include <sys/socket.h> |
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| 17 | #include <netinet/in.h> |
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[6c2364] | 18 | #include <ctype.h> /*for isdigit*/ |
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[0f4cea] | 19 | #include <netdb.h> |
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[a796fb] | 20 | #include <sys/wait.h> |
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| 21 | |
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[8ed989] | 22 | |
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| 23 | |
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[762407] | 24 | #include "config.h" |
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[f2df0c3] | 25 | #include <kernel/mod2.h> |
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[8ed989] | 26 | |
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[f2df0c3] | 27 | #include <Singular/tok.h> |
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[320f1c] | 28 | #include <Singular/ipshell.h> |
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[f2df0c3] | 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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[737a68] | 34 | #include <kernel/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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[88ece17] | 47 | struct snumber_dummy |
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| 48 | { |
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| 49 | mpz_t z; |
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| 50 | mpz_t n; |
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| 51 | #if defined(LDEBUG) |
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| 52 | int debug; |
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| 53 | #endif |
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| 54 | BOOLEAN s; |
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| 55 | }; |
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| 56 | typedef struct snumber_dummy *number_dummy; |
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| 57 | |
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[1bf1c0] | 58 | //#if (_POSIX_C_SOURCE >= 200112L) || (_XOPEN_SOURCE >= 600) |
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| 59 | //#define HAVE_PSELECT |
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| 60 | //#endif |
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[a88046d] | 61 | |
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[7ee1907] | 62 | #define SSI_VERSION 3 |
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[a88046d] | 63 | |
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[8ed989] | 64 | typedef struct |
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| 65 | { |
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| 66 | FILE *f_read; |
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| 67 | FILE *f_write; |
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| 68 | ring r; |
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| 69 | pid_t pid; /* only valid for fork/tcp mode*/ |
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| 70 | int fd_read,fd_write; /* only valid for fork/tcp mode*/ |
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| 71 | char level; |
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[c45b2a5] | 72 | char ungetc_buf; /* status sets to !=0, if ungetc was used, ssiRead* set to 0*/ |
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[05ed3d] | 73 | char send_quit_at_exit; |
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[c45b2a5] | 74 | |
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[8ed989] | 75 | } ssiInfo; |
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| 76 | |
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[f47847f] | 77 | |
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| 78 | link_list ssiToBeClosed=NULL; |
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[a796fb] | 79 | sigset_t ssi_sigmask; |
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| 80 | sigset_t ssi_oldmask; |
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| 81 | #define SSI_BLOCK_CHLD sigprocmask(SIG_SETMASK, &ssi_sigmask, &ssi_oldmask) |
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| 82 | #define SSI_UNBLOCK_CHLD sigprocmask(SIG_SETMASK, &ssi_oldmask, NULL) |
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[f47847f] | 83 | |
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[88ece17] | 84 | #define SR_INT 1L |
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| 85 | #define SR_HDL(A) ((long)(A)) |
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| 86 | #define SR_TO_INT(SR) (((long)SR) >> 2) |
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| 87 | |
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[8ed989] | 88 | // the helper functions: |
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| 89 | void ssiSetCurrRing(const ring r) |
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| 90 | { |
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| 91 | if (!rEqual(r,currRing,1)) |
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| 92 | { |
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| 93 | char name[20]; |
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| 94 | int nr=0; |
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| 95 | do |
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| 96 | { sprintf(name,"ssiRing%d",nr); nr++; } |
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| 97 | while(IDROOT->get(name, 0)!=NULL); |
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| 98 | idhdl h=enterid(omStrDup(name),0,RING_CMD,&IDROOT,FALSE); |
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| 99 | IDRING(h)=r; |
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| 100 | r->ref++; |
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| 101 | rSetHdl(h); |
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| 102 | } |
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| 103 | } |
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| 104 | // the implementation of the functions: |
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| 105 | void ssiWriteInt(ssiInfo *d,const int i) |
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| 106 | { |
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[a796fb] | 107 | SSI_BLOCK_CHLD; |
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[8f650f3] | 108 | fprintf(d->f_write,"%d ",i); |
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[a796fb] | 109 | SSI_UNBLOCK_CHLD; |
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[8f650f3] | 110 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"int: %d ",i); |
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[8ed989] | 111 | } |
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| 112 | |
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| 113 | void ssiWriteString(ssiInfo *d,const char *s) |
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| 114 | { |
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[a796fb] | 115 | SSI_BLOCK_CHLD; |
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[8f650f3] | 116 | fprintf(d->f_write,"%d %s ",strlen(s),s); |
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[a796fb] | 117 | SSI_UNBLOCK_CHLD; |
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[8f650f3] | 118 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"stringi: %d \"%s\" ",strlen(s),s); |
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[8ed989] | 119 | } |
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| 120 | |
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| 121 | |
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| 122 | void ssiWriteBigInt(const ssiInfo *d, const number n) |
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| 123 | { |
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| 124 | // syntax is as follows: |
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| 125 | // case 2 Q: 3 4 <int> |
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| 126 | // or 3 3 <mpz_t nominator> |
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[a796fb] | 127 | SSI_BLOCK_CHLD; |
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[88ece17] | 128 | if((long)(n) & SR_INT) |
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[8ed989] | 129 | { |
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| 130 | fprintf(d->f_write,"4 %ld ",SR_TO_INT(n)); |
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[8f650f3] | 131 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"bigint: short \"%ld\" ",SR_TO_INT(n)); |
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[8ed989] | 132 | } |
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[88ece17] | 133 | else if (((number_dummy)n)->s==3) |
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[8ed989] | 134 | { |
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[a5d5fc] | 135 | fputs("3 ",d->f_write); |
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[88ece17] | 136 | mpz_out_str(d->f_write,10,((number_dummy)n)->z); |
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[a5d5fc] | 137 | fputc(' ',d->f_write); |
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[9f8f6a] | 138 | //gmp_fprintf(d->f_write,"3 %Zd ",n->z); |
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[8f650f3] | 139 | //if (d->f_debug!=NULL) gmp_fprintf(d->f_debug,"bigint: gmp \"%Zd\" ",n->z); |
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[8ed989] | 140 | } |
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[a5d5fc] | 141 | else WerrorS("illiegal bigint"); |
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[a796fb] | 142 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 143 | } |
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| 144 | |
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| 145 | void ssiWriteNumber(const ssiInfo *d, const number n) |
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| 146 | { |
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| 147 | // syntax is as follows: |
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| 148 | // case 1 Z/p: 3 <int> |
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| 149 | // case 2 Q: 3 4 <int> |
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| 150 | // or 3 0 <mpz_t nominator> <mpz_t denominator> |
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| 151 | // or 3 1 dto. |
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| 152 | // or 3 3 <mpz_t nominator> |
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[d8bea6a] | 153 | // or 3 5 <mpz_t raw nom.> <mpz_t raw denom.> |
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| 154 | // or 3 6 <mpz_t raw nom.> <mpz_t raw denom.> |
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| 155 | // or 3 7 <mpz_t raw nom.> |
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[a796fb] | 156 | SSI_BLOCK_CHLD; |
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[8ed989] | 157 | if(rField_is_Zp(d->r)) |
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| 158 | { |
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| 159 | fprintf(d->f_write,"%d ",(int)(long)n); |
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[8f650f3] | 160 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"number: \"%ld\" ",(int)(long)n); |
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[8ed989] | 161 | } |
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| 162 | else if (rField_is_Q(d->r)) |
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| 163 | { |
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| 164 | if(SR_HDL(n) & SR_INT) |
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| 165 | { |
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| 166 | fprintf(d->f_write,"4 %ld ",SR_TO_INT(n)); |
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[8f650f3] | 167 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"number: short \"%ld\" ",SR_TO_INT(n)); |
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[8ed989] | 168 | } |
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[88ece17] | 169 | else if (((number_dummy)n)->s<2) |
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[8ed989] | 170 | { |
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[d8bea6a] | 171 | //gmp_fprintf(d->f_write,"%d %Zd %Zd ",n->s,n->z,n->n); |
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[88ece17] | 172 | fprintf(d->f_write,"%d ",((number_dummy)n)->s+5); |
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| 173 | mpz_out_str (d->f_write,32, ((number_dummy)n)->z); |
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[a5d5fc] | 174 | fputc(' ',d->f_write); |
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[88ece17] | 175 | mpz_out_str (d->f_write,32, ((number_dummy)n)->n); |
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[a5d5fc] | 176 | fputc(' ',d->f_write); |
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[d8bea6a] | 177 | |
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[8f650f3] | 178 | //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] | 179 | } |
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| 180 | else /*n->s==3*/ |
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| 181 | { |
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[d8bea6a] | 182 | //gmp_fprintf(d->f_write,"3 %Zd ",n->z); |
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[a5d5fc] | 183 | fputs("8 ",d->f_write); |
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[88ece17] | 184 | mpz_out_str (d->f_write,32, ((number_dummy)n)->z); |
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[a5d5fc] | 185 | fputc(' ',d->f_write); |
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[b65d1d] | 186 | |
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[8f650f3] | 187 | //if (d->f_debug!=NULL) gmp_fprintf(d->f_debug,"number: gmp \"%Zd\" ",n->z); |
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[8ed989] | 188 | } |
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| 189 | } |
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| 190 | else WerrorS("coeff field not implemented"); |
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[a796fb] | 191 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 192 | } |
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| 193 | |
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| 194 | void ssiWriteRing(ssiInfo *d,const ring r) |
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| 195 | { |
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[a796fb] | 196 | /* 5 <ch> <N> <l1> <v1> ...<lN> <vN> <number of orderings> <ord1> <block0_1> <block1_1> .... */ |
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[8ed989] | 197 | if (d->r!=NULL) rKill(d->r); |
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| 198 | d->r=r; |
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| 199 | d->r->ref++; |
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[a796fb] | 200 | SSI_BLOCK_CHLD; |
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[320f1c] | 201 | fprintf(d->f_write,"%d %d ",n_GetChar(r->cf),r->N); |
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[8ed989] | 202 | |
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| 203 | int i; |
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| 204 | for(i=0;i<r->N;i++) |
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| 205 | { |
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| 206 | fprintf(d->f_write,"%d %s ",strlen(r->names[i]),r->names[i]); |
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| 207 | } |
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| 208 | /* number of orderings:*/ |
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| 209 | i=0; |
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| 210 | while (r->order[i]!=0) i++; |
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| 211 | fprintf(d->f_write,"%d ",i); |
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| 212 | /* each ordering block: */ |
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| 213 | i=0; |
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| 214 | while(r->order[i]!=0) |
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| 215 | { |
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| 216 | fprintf(d->f_write,"%d %d %d ",r->order[i],r->block0[i], r->block1[i]); |
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[7ee1907] | 217 | switch(r->order[i]) |
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| 218 | { |
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| 219 | case ringorder_a: |
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| 220 | case ringorder_wp: |
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| 221 | case ringorder_Wp: |
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| 222 | case ringorder_ws: |
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| 223 | case ringorder_Ws: |
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| 224 | case ringorder_aa: |
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| 225 | { |
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| 226 | int ii; |
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| 227 | for(ii=r->block0[i];ii<=r->block1[i];ii++) |
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| 228 | fprintf(d->f_write,"%d ",r->wvhdl[i][ii-r->block0[i]]); |
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| 229 | } |
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| 230 | break; |
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| 231 | case ringorder_a64: |
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| 232 | case ringorder_M: |
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| 233 | case ringorder_L: |
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| 234 | case ringorder_IS: |
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| 235 | Werror("ring oder not implemented for ssi:%d",r->order[i]); |
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| 236 | break; |
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| 237 | |
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| 238 | default: break; |
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| 239 | } |
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[8ed989] | 240 | i++; |
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| 241 | } |
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[a796fb] | 242 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 243 | } |
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| 244 | |
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| 245 | void ssiWritePoly(ssiInfo *d, int typ, poly p) |
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| 246 | { |
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[a796fb] | 247 | SSI_BLOCK_CHLD; |
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[8ed989] | 248 | fprintf(d->f_write,"%d ",pLength(p));//number of terms |
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[a796fb] | 249 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 250 | int i; |
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| 251 | |
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| 252 | while(p!=NULL) |
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| 253 | { |
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| 254 | ssiWriteNumber(d,pGetCoeff(p)); |
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| 255 | //nWrite(fich,pGetCoeff(p)); |
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[a796fb] | 256 | SSI_BLOCK_CHLD; |
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[8ed989] | 257 | fprintf(d->f_write,"%ld ",p_GetComp(p,d->r));//component |
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| 258 | |
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| 259 | for(int j=1;j<=rVar(d->r);j++) |
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| 260 | { |
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| 261 | fprintf(d->f_write,"%ld ",p_GetExp(p,j,d->r ));//x^j |
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| 262 | } |
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| 263 | pIter(p); |
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[a796fb] | 264 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 265 | } |
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| 266 | } |
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| 267 | |
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| 268 | void ssiWriteIdeal(ssiInfo *d, int typ,ideal I) |
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| 269 | { |
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| 270 | // syntax: 7 # of elements <poly 1> <poly2>..... |
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| 271 | // syntax: 8 <rows> <cols> <poly 1> <poly2>..... |
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| 272 | matrix M=(matrix)I; |
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[a796fb] | 273 | SSI_BLOCK_CHLD; |
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[8ed989] | 274 | if (typ==MATRIX_CMD) |
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| 275 | fprintf(d->f_write,"%d %d ", MATROWS(M),MATCOLS(M)); |
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| 276 | else |
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| 277 | fprintf(d->f_write,"%d ",IDELEMS(I)); |
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[a796fb] | 278 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 279 | |
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| 280 | int i; |
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| 281 | int tt; |
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| 282 | if (typ==MODUL_CMD) tt=VECTOR_CMD; |
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| 283 | else tt=POLY_CMD; |
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| 284 | |
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| 285 | for(i=0;i<IDELEMS(I);i++) |
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| 286 | { |
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| 287 | ssiWritePoly(d,tt,I->m[i]); |
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| 288 | } |
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| 289 | } |
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| 290 | void ssiWriteCommand(si_link l, command D) |
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| 291 | { |
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| 292 | ssiInfo *d=(ssiInfo*)l->data; |
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| 293 | // syntax: <num ops> <operation> <op1> <op2> .... |
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[a796fb] | 294 | SSI_BLOCK_CHLD; |
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[8ed989] | 295 | fprintf(d->f_write,"%d %d ",D->argc,D->op); |
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[a796fb] | 296 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 297 | if (D->argc >0) ssiWrite(l, &(D->arg1)); |
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[8f650f3] | 298 | if (D->argc < 4) |
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| 299 | { |
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| 300 | if (D->argc >1) ssiWrite(l, &(D->arg2)); |
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| 301 | if (D->argc >2) ssiWrite(l, &(D->arg3)); |
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| 302 | } |
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[8ed989] | 303 | } |
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| 304 | |
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| 305 | void ssiWriteProc(ssiInfo *d,procinfov p) |
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| 306 | { |
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| 307 | ssiWriteString(d,p->data.s.body); |
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| 308 | } |
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| 309 | |
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| 310 | void ssiWriteList(si_link l,lists dd) |
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| 311 | { |
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| 312 | ssiInfo *d=(ssiInfo*)l->data; |
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[a796fb] | 313 | SSI_BLOCK_CHLD; |
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[8ed989] | 314 | fprintf(d->f_write,"%d ",dd->nr+1); |
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[a796fb] | 315 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 316 | int i; |
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| 317 | for(i=0;i<=dd->nr;i++) |
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| 318 | { |
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| 319 | ssiWrite(l,&(dd->m[i])); |
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| 320 | } |
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| 321 | } |
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[4d22d3] | 322 | void ssiWriteIntvec(ssiInfo *d,intvec * v) |
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| 323 | { |
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[a796fb] | 324 | SSI_BLOCK_CHLD; |
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[4d22d3] | 325 | fprintf(d->f_write,"%d ",v->length()); |
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| 326 | int i; |
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| 327 | for(i=0;i<v->length();i++) |
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| 328 | { |
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| 329 | fprintf(d->f_write,"%d ",(*v)[i]); |
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| 330 | } |
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[a796fb] | 331 | SSI_UNBLOCK_CHLD; |
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[4d22d3] | 332 | } |
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[8ed989] | 333 | |
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| 334 | char *ssiReadString(ssiInfo *d) |
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| 335 | { |
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| 336 | char *buf; |
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| 337 | int l; |
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[a796fb] | 338 | SSI_BLOCK_CHLD; |
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[8ed989] | 339 | fscanf(d->f_read,"%d ",&l); |
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[a796fb] | 340 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 341 | buf=(char*)omAlloc(l+1); |
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[a796fb] | 342 | SSI_BLOCK_CHLD; |
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[8ed989] | 343 | fread(buf,1,l,d->f_read); |
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[a796fb] | 344 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 345 | buf[l]='\0'; |
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| 346 | return buf; |
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| 347 | } |
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| 348 | |
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| 349 | int ssiReadInt(FILE *fich) |
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| 350 | { |
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| 351 | int d; |
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[a796fb] | 352 | SSI_BLOCK_CHLD; |
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[8ed989] | 353 | fscanf(fich,"%d",&d); |
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[a796fb] | 354 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 355 | return d; |
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| 356 | } |
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| 357 | |
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| 358 | number ssiReadBigInt(ssiInfo *d) |
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| 359 | { |
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[a796fb] | 360 | int sub_type=-1; |
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| 361 | SSI_BLOCK_CHLD; |
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| 362 | fscanf(d->f_read,"%d",&sub_type); |
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| 363 | SSI_UNBLOCK_CHLD; |
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| 364 | switch(sub_type) |
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| 365 | { |
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[8ed989] | 366 | case 3: |
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| 367 | {// read int or mpz_t or mpz_t, mpz_t |
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[320f1c] | 368 | number n=(number)omAlloc0(sizeof(snumber_dummy)); |
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[a796fb] | 369 | SSI_BLOCK_CHLD; |
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[88ece17] | 370 | mpz_inp_str(((number_dummy)n)->z,d->f_read,0); |
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[a796fb] | 371 | SSI_UNBLOCK_CHLD; |
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[88ece17] | 372 | ((number_dummy)n)->s=sub_type; |
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[8ed989] | 373 | return n; |
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| 374 | } |
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[a796fb] | 375 | case 4: |
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| 376 | { |
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| 377 | int dd; |
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| 378 | SSI_BLOCK_CHLD; |
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| 379 | fscanf(d->f_read,"%d",&dd); |
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| 380 | SSI_UNBLOCK_CHLD; |
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[320f1c] | 381 | return n_Init(dd,d->r->cf); |
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[a796fb] | 382 | } |
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| 383 | default: |
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| 384 | Werror("error in reading bigint: invalid subtype %d",sub_type); |
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| 385 | return NULL; |
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[8ed989] | 386 | } |
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| 387 | } |
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| 388 | |
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| 389 | number ssiReadNumber(ssiInfo *d) |
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| 390 | { |
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| 391 | if (rField_is_Q(d->r)) |
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| 392 | { |
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| 393 | int sub_type=-1; |
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[a796fb] | 394 | SSI_BLOCK_CHLD; |
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[8ed989] | 395 | fscanf(d->f_read,"%d",&sub_type); |
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[a796fb] | 396 | SSI_UNBLOCK_CHLD; |
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[8ed989] | 397 | switch(sub_type) |
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| 398 | { |
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| 399 | case 0: |
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| 400 | case 1: |
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[d8bea6a] | 401 | {// read mpz_t, mpz_t |
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[320f1c] | 402 | number n=(number)omAlloc0(sizeof(snumber_dummy)); |
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[88ece17] | 403 | mpz_init(((number_dummy)n)->n); |
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[a796fb] | 404 | SSI_BLOCK_CHLD; |
---|
[88ece17] | 405 | gmp_fscanf(d->f_read,"%Zd %Zd",((number_dummy)n)->z,((number_dummy)n)->n); |
---|
[a796fb] | 406 | SSI_UNBLOCK_CHLD; |
---|
[88ece17] | 407 | ((number_dummy)n)->s=sub_type; |
---|
[a796fb] | 408 | return n; |
---|
[8ed989] | 409 | } |
---|
| 410 | |
---|
| 411 | case 3: |
---|
[d8bea6a] | 412 | {// read mpz_t |
---|
[320f1c] | 413 | number n=(number)omAlloc0(sizeof(snumber_dummy)); |
---|
[a796fb] | 414 | SSI_BLOCK_CHLD; |
---|
[88ece17] | 415 | gmp_fscanf(d->f_read,"%Zd",((number_dummy)n)->z); |
---|
[a796fb] | 416 | SSI_UNBLOCK_CHLD; |
---|
[88ece17] | 417 | ((number_dummy)n)->s=3; /*sub_type*/ |
---|
[8ed989] | 418 | return n; |
---|
| 419 | } |
---|
[a796fb] | 420 | case 4: |
---|
| 421 | { |
---|
| 422 | int dd; |
---|
| 423 | SSI_BLOCK_CHLD; |
---|
| 424 | fscanf(d->f_read,"%d",&dd); |
---|
| 425 | SSI_UNBLOCK_CHLD; |
---|
[320f1c] | 426 | return n_Init(dd,d->r->cf); |
---|
[a796fb] | 427 | } |
---|
[d8bea6a] | 428 | case 5: |
---|
| 429 | case 6: |
---|
| 430 | {// read raw mpz_t, mpz_t |
---|
[320f1c] | 431 | number n=(number)omAlloc0(sizeof(snumber_dummy)); |
---|
[88ece17] | 432 | mpz_init(((number_dummy)n)->n); |
---|
[a796fb] | 433 | SSI_BLOCK_CHLD; |
---|
[88ece17] | 434 | mpz_inp_str (((number_dummy)n)->z, d->f_read, 32); |
---|
| 435 | mpz_inp_str (((number_dummy)n)->n, d->f_read, 32); |
---|
[a796fb] | 436 | SSI_UNBLOCK_CHLD; |
---|
[88ece17] | 437 | ((number_dummy)n)->s=sub_type-5; |
---|
[a796fb] | 438 | return n; |
---|
[d8bea6a] | 439 | } |
---|
| 440 | case 8: |
---|
| 441 | {// read raw mpz_t |
---|
[320f1c] | 442 | number n=(number)omAlloc0(sizeof(snumber_dummy)); |
---|
[a796fb] | 443 | SSI_BLOCK_CHLD; |
---|
[88ece17] | 444 | mpz_inp_str (((number_dummy)n)->z, d->f_read, 32); |
---|
[a796fb] | 445 | SSI_UNBLOCK_CHLD; |
---|
[88ece17] | 446 | ((number_dummy)n)->s=sub_type=3; /*subtype-5*/ |
---|
[a796fb] | 447 | return n; |
---|
[d8bea6a] | 448 | } |
---|
| 449 | |
---|
[8ed989] | 450 | default: Werror("error in reading number: invalid subtype %d",sub_type); |
---|
| 451 | return NULL; |
---|
| 452 | } |
---|
| 453 | } |
---|
| 454 | else if (rField_is_Zp(d->r)) |
---|
| 455 | { |
---|
| 456 | // read int |
---|
| 457 | int dd; |
---|
[a796fb] | 458 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 459 | fscanf(d->f_read,"%d",&dd); |
---|
[a796fb] | 460 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 461 | return (number)dd; |
---|
| 462 | } |
---|
| 463 | else Werror("coeffs not implemented"); |
---|
[57dfde6] | 464 | return NULL; |
---|
[8ed989] | 465 | } |
---|
| 466 | |
---|
| 467 | ring ssiReadRing(ssiInfo *d) |
---|
| 468 | { |
---|
[a796fb] | 469 | /* syntax is <ch> <N> <l1> <v1> ...<lN> <vN> <number of orderings> <ord1> <block0_1> <block1_1> .... */ |
---|
[8ed989] | 470 | int ch, N,i,l; |
---|
| 471 | char **names; |
---|
[a796fb] | 472 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 473 | fscanf(d->f_read,"%d %d ",&ch,&N); |
---|
[a796fb] | 474 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 475 | names=(char**)omAlloc(N*sizeof(char*)); |
---|
| 476 | for(i=0;i<N;i++) |
---|
| 477 | { |
---|
| 478 | names[i]=ssiReadString(d); |
---|
| 479 | } |
---|
| 480 | // read the orderings: |
---|
| 481 | int num_ord; // number of orderings |
---|
[a796fb] | 482 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 483 | fscanf(d->f_read,"%d",&num_ord); |
---|
[a796fb] | 484 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 485 | int *ord=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
---|
| 486 | int *block0=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
---|
| 487 | int *block1=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
---|
[a796fb] | 488 | SSI_BLOCK_CHLD; |
---|
[7ee1907] | 489 | int **wvhdl=(int**)omAlloc0((num_ord+1)*sizeof(int*)); |
---|
[8ed989] | 490 | for(i=0;i<num_ord;i++) |
---|
| 491 | { |
---|
[7ee1907] | 492 | fscanf(d->f_read,"%d %d %d",&ord[i],&block0[i],&block1[i]); |
---|
| 493 | switch(ord[i]) |
---|
| 494 | { |
---|
| 495 | case ringorder_a: |
---|
| 496 | case ringorder_wp: |
---|
| 497 | case ringorder_Wp: |
---|
| 498 | case ringorder_ws: |
---|
| 499 | case ringorder_Ws: |
---|
| 500 | case ringorder_aa: |
---|
| 501 | { |
---|
| 502 | wvhdl[i]=(int*)omAlloc((block1[i]-block0[i]+1)*sizeof(int)); |
---|
| 503 | int ii; |
---|
| 504 | for(ii=block0[i];ii<=block1[i];ii++) |
---|
| 505 | fscanf(d->f_read,"%d",&(wvhdl[i][ii-block0[i]])); |
---|
| 506 | } |
---|
| 507 | break; |
---|
| 508 | |
---|
| 509 | case ringorder_a64: |
---|
| 510 | case ringorder_M: |
---|
| 511 | case ringorder_L: |
---|
| 512 | case ringorder_IS: |
---|
| 513 | Werror("ring oder not implemented for ssi:%d",ord[i]); |
---|
| 514 | break; |
---|
| 515 | |
---|
| 516 | default: break; |
---|
| 517 | } |
---|
[8ed989] | 518 | } |
---|
[a796fb] | 519 | SSI_UNBLOCK_CHLD; |
---|
[7ee1907] | 520 | return rDefault(ch,N,names,num_ord,ord,block0,block1,wvhdl); |
---|
[8ed989] | 521 | } |
---|
| 522 | |
---|
| 523 | poly ssiReadPoly(ssiInfo *D) |
---|
| 524 | { |
---|
| 525 | // < # of terms> < term1> < ..... |
---|
| 526 | int n,i,l; |
---|
| 527 | n=ssiReadInt(D->f_read); |
---|
| 528 | //Print("poly: terms:%d\n",n); |
---|
| 529 | poly p; |
---|
| 530 | int j; |
---|
| 531 | j=0; |
---|
| 532 | poly ret=NULL; |
---|
[23206f4] | 533 | poly prev=NULL; |
---|
[8ed989] | 534 | for(l=0;l<n;l++) // read n terms |
---|
| 535 | { |
---|
| 536 | // coef,comp.exp1,..exp N |
---|
| 537 | p=p_Init(D->r); |
---|
| 538 | pGetCoeff(p)=ssiReadNumber(D); |
---|
| 539 | int d; |
---|
[a796fb] | 540 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 541 | fscanf(D->f_read,"%d",&d); |
---|
[a796fb] | 542 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 543 | p_SetComp(p,d,D->r); |
---|
| 544 | for(i=1;i<=rVar(D->r);i++) |
---|
| 545 | { |
---|
[a796fb] | 546 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 547 | fscanf(D->f_read,"%d",&d); |
---|
[a796fb] | 548 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 549 | p_SetExp(p,i,d,D->r); |
---|
| 550 | } |
---|
| 551 | p_Setm(p,D->r); |
---|
| 552 | p_Test(p,D->r); |
---|
[23206f4] | 553 | if (ret==NULL) ret=p; |
---|
| 554 | else pNext(prev)=p; |
---|
| 555 | prev=p; |
---|
[8ed989] | 556 | } |
---|
| 557 | return ret; |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | ideal ssiReadIdeal(ssiInfo *d) |
---|
| 561 | { |
---|
| 562 | int n,i; |
---|
| 563 | ideal I; |
---|
[a796fb] | 564 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 565 | fscanf(d->f_read,"%d",&n); |
---|
[a796fb] | 566 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 567 | I=idInit(n,1); |
---|
| 568 | for(i=0;i<IDELEMS(I);i++) // read n terms |
---|
| 569 | { |
---|
| 570 | I->m [i]=ssiReadPoly(d); |
---|
| 571 | } |
---|
| 572 | return I; |
---|
| 573 | } |
---|
| 574 | |
---|
| 575 | matrix ssiReadMatrix(ssiInfo *d) |
---|
| 576 | { |
---|
| 577 | int n,m,i,j; |
---|
[a796fb] | 578 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 579 | fscanf(d->f_read,"%d %d",&m,&n); |
---|
[a796fb] | 580 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 581 | matrix M=mpNew(m,n); |
---|
| 582 | poly p; |
---|
| 583 | for(int i=1;i<=MATROWS(M);i++) |
---|
| 584 | for(int j=1;j<=MATCOLS(M);j++) |
---|
| 585 | { |
---|
| 586 | p=ssiReadPoly(d); |
---|
| 587 | MATELEM(M,i,j)=p; |
---|
| 588 | } |
---|
| 589 | return M; |
---|
| 590 | } |
---|
| 591 | |
---|
| 592 | command ssiReadCommand(si_link l) |
---|
| 593 | { |
---|
| 594 | ssiInfo *d=(ssiInfo*)l->data; |
---|
| 595 | // syntax: <num ops> <operation> <op1> <op2> .... |
---|
| 596 | command D=(command)omAlloc0(sizeof(*D)); |
---|
| 597 | int argc,op; |
---|
[a796fb] | 598 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 599 | fscanf(d->f_read,"%d %d",&argc,&op); |
---|
[a796fb] | 600 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 601 | D->argc=argc; D->op=op; |
---|
| 602 | leftv v; |
---|
| 603 | if (argc >0) |
---|
| 604 | { |
---|
| 605 | v=ssiRead1(l); |
---|
| 606 | memcpy(&(D->arg1),v,sizeof(*v)); |
---|
| 607 | omFreeBin(v,sleftv_bin); |
---|
| 608 | } |
---|
[8f650f3] | 609 | if (argc <4) |
---|
[8ed989] | 610 | { |
---|
[8f650f3] | 611 | if (D->argc >1) |
---|
| 612 | { |
---|
| 613 | v=ssiRead1(l); |
---|
| 614 | memcpy(&(D->arg2),v,sizeof(*v)); |
---|
| 615 | omFreeBin(v,sleftv_bin); |
---|
| 616 | } |
---|
| 617 | if (D->argc >2) |
---|
| 618 | { |
---|
| 619 | v=ssiRead1(l); |
---|
| 620 | memcpy(&(D->arg3),v,sizeof(*v)); |
---|
| 621 | omFreeBin(v,sleftv_bin); |
---|
| 622 | } |
---|
[8ed989] | 623 | } |
---|
[8f650f3] | 624 | else |
---|
[8ed989] | 625 | { |
---|
[8f650f3] | 626 | leftv prev=&(D->arg1); |
---|
| 627 | argc--; |
---|
| 628 | while(argc >0) |
---|
| 629 | { |
---|
| 630 | v=ssiRead1(l); |
---|
| 631 | prev->next=v; |
---|
| 632 | prev=v; |
---|
| 633 | argc--; |
---|
| 634 | } |
---|
[8ed989] | 635 | } |
---|
| 636 | return D; |
---|
| 637 | } |
---|
| 638 | |
---|
| 639 | procinfov ssiReadProc(ssiInfo *d) |
---|
| 640 | { |
---|
| 641 | char *s=ssiReadString(d); |
---|
| 642 | procinfov p=(procinfov)omAlloc0Bin(procinfo_bin); |
---|
| 643 | p->language=LANG_SINGULAR; |
---|
| 644 | p->libname=omStrDup(""); |
---|
| 645 | p->procname=omStrDup(""); |
---|
| 646 | p->data.s.body=s; |
---|
| 647 | return p; |
---|
| 648 | } |
---|
| 649 | lists ssiReadList(si_link l) |
---|
| 650 | { |
---|
| 651 | ssiInfo *d=(ssiInfo*)l->data; |
---|
| 652 | int nr; |
---|
[a796fb] | 653 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 654 | fscanf(d->f_read,"%d",&nr); |
---|
[a796fb] | 655 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 656 | lists L=(lists)omAlloc(sizeof(*L)); |
---|
| 657 | L->Init(nr); |
---|
| 658 | |
---|
| 659 | int i; |
---|
| 660 | leftv v; |
---|
| 661 | for(i=0;i<nr;i++) |
---|
| 662 | { |
---|
| 663 | v=ssiRead1(l); |
---|
| 664 | memcpy(&(L->m[i]),v,sizeof(*v)); |
---|
| 665 | omFreeBin(v,sleftv_bin); |
---|
| 666 | } |
---|
| 667 | return L; |
---|
| 668 | } |
---|
[4d22d3] | 669 | intvec* ssiReadIntvec(ssiInfo *d) |
---|
| 670 | { |
---|
| 671 | int nr; |
---|
[a796fb] | 672 | SSI_BLOCK_CHLD; |
---|
[4d22d3] | 673 | fscanf(d->f_read,"%d",&nr); |
---|
[a796fb] | 674 | SSI_UNBLOCK_CHLD; |
---|
[4d22d3] | 675 | intvec *v=new intvec(nr); |
---|
[a796fb] | 676 | SSI_BLOCK_CHLD; |
---|
[4d22d3] | 677 | for(int i=0;i<nr;i++) |
---|
| 678 | { |
---|
| 679 | fscanf(d->f_read,"%d",&((*v)[i])); |
---|
| 680 | } |
---|
[a796fb] | 681 | SSI_UNBLOCK_CHLD; |
---|
[4d22d3] | 682 | return v; |
---|
| 683 | } |
---|
[8ed989] | 684 | |
---|
[a088a12] | 685 | void ssiReadBlackbox(leftv res, si_link l) |
---|
| 686 | { |
---|
| 687 | ssiInfo *d=(ssiInfo*)l->data; |
---|
| 688 | int throwaway; |
---|
| 689 | SSI_BLOCK_CHLD; |
---|
| 690 | fscanf(d->f_read,"%d ",&throwaway); |
---|
| 691 | SSI_UNBLOCK_CHLD; |
---|
| 692 | char *name=ssiReadString(d); |
---|
| 693 | int tok; |
---|
| 694 | blackboxIsCmd(name,tok); |
---|
| 695 | if (tok>MAX_TOK) |
---|
| 696 | { |
---|
| 697 | blackbox *b=getBlackboxStuff(tok); |
---|
| 698 | res->rtyp=tok; |
---|
| 699 | b->blackbox_deserialize(&b,&(res->data),l); |
---|
| 700 | } |
---|
| 701 | else |
---|
| 702 | { |
---|
| 703 | Werror("blackbox %s not found",name); |
---|
| 704 | } |
---|
| 705 | } |
---|
| 706 | |
---|
[8ed989] | 707 | //**************************************************************************/ |
---|
[a796fb] | 708 | |
---|
[b5f276e] | 709 | BOOLEAN ssiOpen(si_link l, short flag, leftv u) |
---|
[8ed989] | 710 | { |
---|
[47a616d] | 711 | if (l!=NULL) |
---|
[8ed989] | 712 | { |
---|
[47a616d] | 713 | const char *mode; |
---|
| 714 | ssiInfo *d=(ssiInfo*)omAlloc0(sizeof(ssiInfo)); |
---|
| 715 | sigprocmask(SIG_SETMASK, NULL, &ssi_sigmask); |
---|
| 716 | sigaddset(&ssi_sigmask, SIGCHLD); |
---|
| 717 | if (flag & SI_LINK_OPEN) |
---|
| 718 | { |
---|
| 719 | if (l->mode[0] != '\0' && (strcmp(l->mode, "r") == 0)) |
---|
| 720 | flag = SI_LINK_READ; |
---|
| 721 | else flag = SI_LINK_WRITE; |
---|
| 722 | } |
---|
[8ed989] | 723 | |
---|
[47a616d] | 724 | if (flag == SI_LINK_READ) mode = "r"; |
---|
| 725 | else if (strcmp(l->mode, "w") == 0) mode = "w"; |
---|
| 726 | else if (strcmp(l->mode, "fork") == 0) mode = "fork"; |
---|
| 727 | else if (strcmp(l->mode, "tcp") == 0) mode = "tcp"; |
---|
| 728 | else if (strcmp(l->mode, "connect") == 0) mode = "connect"; |
---|
| 729 | else mode = "a"; |
---|
[8ed989] | 730 | |
---|
| 731 | |
---|
[47a616d] | 732 | SI_LINK_SET_OPEN_P(l, flag); |
---|
| 733 | l->data=d; |
---|
| 734 | omFree(l->mode); |
---|
| 735 | l->mode = omStrDup(mode); |
---|
[3f4696] | 736 | |
---|
[47a616d] | 737 | if (l->name[0] == '\0') |
---|
[8ed989] | 738 | { |
---|
[47a616d] | 739 | if (strcmp(mode,"fork")==0) |
---|
[8ed989] | 740 | { |
---|
[47a616d] | 741 | link_list n=(link_list)omAlloc(sizeof(link_struct)); |
---|
| 742 | n->u=u; |
---|
| 743 | n->l=l; |
---|
| 744 | n->next=(void *)ssiToBeClosed; |
---|
| 745 | ssiToBeClosed=n; |
---|
| 746 | |
---|
| 747 | int pc[2]; |
---|
| 748 | int cp[2]; |
---|
| 749 | pipe(pc); |
---|
| 750 | pipe(cp); |
---|
| 751 | pid_t pid=fork(); |
---|
| 752 | if (pid==0) /*fork: child*/ |
---|
[f47847f] | 753 | { |
---|
[47a616d] | 754 | link_list hh=(link_list)ssiToBeClosed->next; |
---|
| 755 | /* we know: l is the first entry in ssiToBeClosed-list */ |
---|
| 756 | while(hh!=NULL) |
---|
| 757 | { |
---|
| 758 | ssiInfo *dd=(ssiInfo*)hh->l->data; |
---|
| 759 | fclose(dd->f_read); |
---|
| 760 | fclose(dd->f_write); |
---|
| 761 | if (dd->r!=NULL) rKill(dd->r); |
---|
| 762 | omFreeSize((ADDRESS)dd,(sizeof *dd)); |
---|
| 763 | hh->l->data=NULL; |
---|
| 764 | SI_LINK_SET_CLOSE_P(hh->l); |
---|
| 765 | link_list nn=(link_list)hh->next; |
---|
| 766 | omFree(hh); |
---|
| 767 | hh=nn; |
---|
| 768 | } |
---|
| 769 | ssiToBeClosed->next=NULL; |
---|
| 770 | close(pc[1]); close(cp[0]); |
---|
| 771 | d->f_read=fdopen(pc[0],"r"); |
---|
| 772 | d->fd_read=pc[0]; |
---|
| 773 | d->f_write=fdopen(cp[1],"w"); |
---|
| 774 | d->fd_write=cp[1]; |
---|
| 775 | l->data=d; |
---|
| 776 | omFree(l->mode); |
---|
| 777 | l->mode = omStrDup(mode); |
---|
| 778 | singular_in_batchmode=TRUE; |
---|
| 779 | SI_LINK_SET_RW_OPEN_P(l); |
---|
| 780 | //myynest=0; |
---|
| 781 | fe_fgets_stdin=fe_fgets_dummy; |
---|
[3706b2] | 782 | WerrorS_callback=WerrorS_batch; |
---|
[47a616d] | 783 | if ((u!=NULL)&&(u->rtyp==IDHDL)) |
---|
| 784 | { |
---|
| 785 | idhdl h=(idhdl)u->data; |
---|
| 786 | h->lev=0; |
---|
| 787 | } |
---|
| 788 | loop |
---|
| 789 | { |
---|
| 790 | leftv h=ssiRead1(l); /*contains an exit.... */ |
---|
| 791 | if (feErrors != NULL && *feErrors != '\0') |
---|
| 792 | { |
---|
| 793 | // handle errors: |
---|
| 794 | PrintS(feErrors); /* currently quite simple */ |
---|
| 795 | *feErrors = '\0'; |
---|
| 796 | } |
---|
| 797 | ssiWrite(l,h); |
---|
| 798 | h->CleanUp(); |
---|
| 799 | omFreeBin(h, sleftv_bin); |
---|
| 800 | } |
---|
| 801 | /* never reached*/ |
---|
[f47847f] | 802 | } |
---|
[47a616d] | 803 | else if (pid>0) /*fork: parent*/ |
---|
[f47847f] | 804 | { |
---|
[47a616d] | 805 | d->pid=pid; |
---|
| 806 | close(pc[0]); close(cp[1]); |
---|
| 807 | d->f_read=fdopen(cp[0],"r"); |
---|
| 808 | d->fd_read=cp[0]; |
---|
| 809 | d->f_write=fdopen(pc[1],"w"); |
---|
| 810 | d->fd_write=pc[1]; |
---|
| 811 | SI_LINK_SET_RW_OPEN_P(l); |
---|
| 812 | d->send_quit_at_exit=1; |
---|
[f47847f] | 813 | } |
---|
[47a616d] | 814 | else |
---|
[8ed989] | 815 | { |
---|
[47a616d] | 816 | Werror("fork failed (%d)",errno); |
---|
| 817 | l->data=NULL; |
---|
| 818 | omFree(d); |
---|
| 819 | return TRUE; |
---|
[8ed989] | 820 | } |
---|
| 821 | } |
---|
[47a616d] | 822 | // --------------------------------------------------------------------- |
---|
| 823 | else if (strcmp(mode,"tcp")==0) |
---|
[8ed989] | 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) |
---|
| 830 | { |
---|
| 831 | WerrorS("ERROR opening socket"); |
---|
| 832 | l->data=NULL; |
---|
| 833 | omFree(d); |
---|
| 834 | return TRUE; |
---|
| 835 | } |
---|
| 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 |
---|
| 841 | { |
---|
| 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 | omFree(d); |
---|
| 849 | return TRUE; |
---|
| 850 | } |
---|
| 851 | } |
---|
| 852 | while(bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0); |
---|
| 853 | Print("waiting on port %d\n", portno);mflush(); |
---|
| 854 | listen(sockfd,5); |
---|
| 855 | newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, (socklen_t *)&clilen); |
---|
| 856 | if(newsockfd < 0) |
---|
| 857 | { |
---|
| 858 | WerrorS("ERROR on accept"); |
---|
| 859 | l->data=NULL; |
---|
| 860 | omFree(d); |
---|
| 861 | return TRUE; |
---|
| 862 | } |
---|
| 863 | PrintS("client accepted\n"); |
---|
| 864 | d->fd_read = newsockfd; |
---|
| 865 | d->fd_write = newsockfd; |
---|
| 866 | d->f_read = fdopen(newsockfd, "r"); |
---|
| 867 | d->f_write = fdopen(newsockfd, "w"); |
---|
[76912c] | 868 | SI_LINK_SET_RW_OPEN_P(l); |
---|
[47a616d] | 869 | close(sockfd); |
---|
[8ed989] | 870 | } |
---|
[47a616d] | 871 | // no ssi-Link on stdin or stdout |
---|
[8ed989] | 872 | else |
---|
| 873 | { |
---|
[47a616d] | 874 | Werror("invalid mode >>%s<< for ssi",mode); |
---|
[3f4696] | 875 | l->data=NULL; |
---|
| 876 | omFree(d); |
---|
| 877 | return TRUE; |
---|
[8ed989] | 878 | } |
---|
| 879 | } |
---|
[47a616d] | 880 | // ========================================================================= |
---|
| 881 | else /*l->name=NULL*/ |
---|
[0f4cea] | 882 | { |
---|
[47a616d] | 883 | // tcp mode |
---|
| 884 | if(strcmp(mode,"tcp")==0) |
---|
[0f4cea] | 885 | { |
---|
[47a616d] | 886 | int sockfd, newsockfd, portno, clilen; |
---|
| 887 | struct sockaddr_in serv_addr, cli_addr; |
---|
| 888 | int n; |
---|
| 889 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
| 890 | if(sockfd < 0) |
---|
[0f4cea] | 891 | { |
---|
[47a616d] | 892 | WerrorS("ERROR opening socket"); |
---|
[3f4696] | 893 | l->data=NULL; |
---|
| 894 | omFree(d); |
---|
[0f4cea] | 895 | return TRUE; |
---|
| 896 | } |
---|
[47a616d] | 897 | memset((char *) &serv_addr,0, sizeof(serv_addr)); |
---|
| 898 | portno = 1025; |
---|
| 899 | serv_addr.sin_family = AF_INET; |
---|
| 900 | serv_addr.sin_addr.s_addr = INADDR_ANY; |
---|
| 901 | do |
---|
[76912c] | 902 | { |
---|
[47a616d] | 903 | portno++; |
---|
| 904 | serv_addr.sin_port = htons(portno); |
---|
| 905 | if(portno > 50000) |
---|
| 906 | { |
---|
| 907 | WerrorS("ERROR on binding (no free port available?)"); |
---|
| 908 | l->data=NULL; |
---|
| 909 | return TRUE; |
---|
| 910 | } |
---|
| 911 | } |
---|
| 912 | while(bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0); |
---|
| 913 | //Print("waiting on port %d\n", portno);mflush(); |
---|
| 914 | listen(sockfd,5); |
---|
| 915 | char* cli_host = (char*)omAlloc(256); |
---|
| 916 | char* path = (char*)omAlloc(1024); |
---|
| 917 | int r = sscanf(l->name,"%255[^:]:%s",cli_host,path); |
---|
| 918 | if(r == 0) |
---|
| 919 | { |
---|
| 920 | WerrorS("ERROR: no host specified"); |
---|
[3f4696] | 921 | l->data=NULL; |
---|
[47a616d] | 922 | omFree(d); |
---|
| 923 | omFree(path); |
---|
| 924 | omFree(cli_host); |
---|
[76912c] | 925 | return TRUE; |
---|
| 926 | } |
---|
[47a616d] | 927 | else if(r == 1) |
---|
| 928 | { |
---|
| 929 | WarnS("program not specified, using /usr/local/bin/Singular"); |
---|
| 930 | strcpy(path,"/usr/local/bin/Singular"); |
---|
| 931 | } |
---|
| 932 | char* ssh_command = (char*)omAlloc(256); |
---|
| 933 | char* ser_host = (char*)omAlloc(64); |
---|
| 934 | gethostname(ser_host,64); |
---|
| 935 | sprintf(ssh_command,"ssh %s %s -q --batch --link=ssi --MPhost=%s --MPport=%d &",cli_host,path,ser_host,portno); |
---|
| 936 | //Print("client on %s started:%s\n",cli_host,path); |
---|
[a1c9770] | 937 | omFree(path); |
---|
| 938 | omFree(cli_host); |
---|
[47a616d] | 939 | if (TEST_OPT_PROT) { Print("running >>%s<<\n",ssh_command); } |
---|
| 940 | system(ssh_command); |
---|
| 941 | omFree(ssh_command); |
---|
| 942 | omFree(ser_host); |
---|
| 943 | clilen = sizeof(cli_addr); |
---|
| 944 | newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, (socklen_t *)&clilen); |
---|
| 945 | if(newsockfd < 0) |
---|
| 946 | { |
---|
| 947 | WerrorS("ERROR on accept"); |
---|
| 948 | l->data=NULL; |
---|
| 949 | omFree(d); |
---|
| 950 | return TRUE; |
---|
| 951 | } |
---|
| 952 | //PrintS("client accepted\n"); |
---|
| 953 | d->fd_read = newsockfd; |
---|
| 954 | d->fd_write = newsockfd; |
---|
| 955 | d->f_read = fdopen(newsockfd, "r"); |
---|
| 956 | d->f_write = fdopen(newsockfd, "w"); |
---|
[0f4cea] | 957 | SI_LINK_SET_RW_OPEN_P(l); |
---|
[47a616d] | 958 | d->send_quit_at_exit=1; |
---|
| 959 | close(sockfd); |
---|
| 960 | fprintf(d->f_write,"98 %d %d %u %u\n",SSI_VERSION,MAX_TOK,test,verbose); |
---|
[3f4696] | 961 | } |
---|
[47a616d] | 962 | // ---------------------------------------------------------------------- |
---|
| 963 | else if(strcmp(mode,"connect")==0) |
---|
[76912c] | 964 | { |
---|
[47a616d] | 965 | char* host = (char*)omAlloc(256); |
---|
| 966 | int sockfd, portno, n; |
---|
| 967 | struct sockaddr_in serv_addr; |
---|
| 968 | struct hostent *server; |
---|
[7ee1907] | 969 | |
---|
[47a616d] | 970 | sscanf(l->name,"%255[^:]:%d",host,&portno); |
---|
| 971 | //Print("connect to host %s, port %d\n",host,portno);mflush(); |
---|
| 972 | if (portno!=0) |
---|
[76912c] | 973 | { |
---|
[47a616d] | 974 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
| 975 | if (sockfd < 0) { WerrorS("ERROR opening socket"); return TRUE; } |
---|
| 976 | server = gethostbyname(host); |
---|
| 977 | if (server == NULL) { WerrorS("ERROR, no such host"); return TRUE; } |
---|
| 978 | memset((char *) &serv_addr, 0, sizeof(serv_addr)); |
---|
| 979 | serv_addr.sin_family = AF_INET; |
---|
| 980 | memcpy((char *)&serv_addr.sin_addr.s_addr, |
---|
| 981 | (char *)server->h_addr, |
---|
| 982 | server->h_length); |
---|
| 983 | serv_addr.sin_port = htons(portno); |
---|
| 984 | if (connect(sockfd,(sockaddr*)&serv_addr,sizeof(serv_addr)) < 0) |
---|
| 985 | { Werror("ERROR connecting(errno=%d)",errno); return TRUE; } |
---|
| 986 | //PrintS("connected\n");mflush(); |
---|
| 987 | d->f_read=fdopen(sockfd,"r"); |
---|
| 988 | d->fd_read=sockfd; |
---|
| 989 | d->f_write=fdopen(sockfd,"w"); |
---|
| 990 | d->fd_write=sockfd; |
---|
| 991 | SI_LINK_SET_RW_OPEN_P(l); |
---|
[7ee1907] | 992 | d->send_quit_at_exit=1; |
---|
[47a616d] | 993 | omFree(host); |
---|
[76912c] | 994 | } |
---|
| 995 | else |
---|
| 996 | { |
---|
[47a616d] | 997 | l->data=NULL; |
---|
| 998 | omFree(d); |
---|
| 999 | return TRUE; |
---|
[76912c] | 1000 | } |
---|
| 1001 | } |
---|
[47a616d] | 1002 | // ====================================================================== |
---|
| 1003 | else |
---|
[76912c] | 1004 | { |
---|
[47a616d] | 1005 | // normal link to a file |
---|
| 1006 | FILE *outfile; |
---|
| 1007 | char *filename=l->name; |
---|
[7ee1907] | 1008 | |
---|
[47a616d] | 1009 | if(filename[0]=='>') |
---|
| 1010 | { |
---|
| 1011 | if (filename[1]=='>') |
---|
| 1012 | { |
---|
| 1013 | filename+=2; |
---|
| 1014 | mode = "a"; |
---|
| 1015 | } |
---|
| 1016 | else |
---|
| 1017 | { |
---|
| 1018 | filename++; |
---|
| 1019 | mode="w"; |
---|
| 1020 | } |
---|
| 1021 | } |
---|
| 1022 | outfile=myfopen(filename,mode); |
---|
| 1023 | if (outfile!=NULL) |
---|
| 1024 | { |
---|
| 1025 | if (strcmp(l->mode,"r")==0) d->f_read = outfile; |
---|
| 1026 | else |
---|
| 1027 | { |
---|
| 1028 | d->f_write = outfile; |
---|
| 1029 | fprintf(d->f_write,"98 %d %d %u %u\n",SSI_VERSION,MAX_TOK,test,verbose); |
---|
| 1030 | } |
---|
| 1031 | } |
---|
[a88046d] | 1032 | else |
---|
| 1033 | { |
---|
[47a616d] | 1034 | omFree(d); |
---|
| 1035 | l->data=NULL; |
---|
| 1036 | return TRUE; |
---|
[a88046d] | 1037 | } |
---|
[76912c] | 1038 | } |
---|
[8ed989] | 1039 | } |
---|
| 1040 | } |
---|
| 1041 | |
---|
| 1042 | return FALSE; |
---|
| 1043 | } |
---|
| 1044 | |
---|
| 1045 | //**************************************************************************/ |
---|
[3726e2] | 1046 | BOOLEAN ssiClose(si_link l) |
---|
[8ed989] | 1047 | { |
---|
[d905bf] | 1048 | if (l!=NULL) |
---|
[8ed989] | 1049 | { |
---|
[d905bf] | 1050 | ssiInfo *d = (ssiInfo *)l->data; |
---|
| 1051 | if (d!=NULL) |
---|
[87288e] | 1052 | { |
---|
[d905bf] | 1053 | if (d->r!=NULL) rKill(d->r); |
---|
| 1054 | if ((strcmp(l->mode,"tcp")==0) |
---|
| 1055 | || (strcmp(l->mode,"fork")==0)) |
---|
[f47847f] | 1056 | { |
---|
[d905bf] | 1057 | link_list hh=ssiToBeClosed; |
---|
| 1058 | if (hh!=NULL) |
---|
[f47847f] | 1059 | { |
---|
[d905bf] | 1060 | if (hh->l==l) |
---|
| 1061 | { |
---|
| 1062 | ssiToBeClosed=(link_list)hh->next; |
---|
| 1063 | omFreeSize(hh,sizeof(link_struct)); |
---|
| 1064 | } |
---|
| 1065 | else while(hh!=NULL) |
---|
[8a4a44] | 1066 | { |
---|
[d905bf] | 1067 | link_list hhh=(link_list)hh->next; |
---|
| 1068 | if (hhh->l==l) |
---|
| 1069 | { |
---|
| 1070 | hh->next=hhh->next; |
---|
| 1071 | omFreeSize(hhh,sizeof(link_struct)); |
---|
| 1072 | break; |
---|
| 1073 | } |
---|
| 1074 | hh=(link_list)hh->next; |
---|
[8a4a44] | 1075 | } |
---|
[d905bf] | 1076 | } |
---|
| 1077 | if (d->send_quit_at_exit) |
---|
[7ee1907] | 1078 | { |
---|
[d905bf] | 1079 | fputs("99\n",d->f_write);fflush(d->f_write); |
---|
[f47847f] | 1080 | } |
---|
| 1081 | } |
---|
[47a616d] | 1082 | if (d->f_read!=NULL) fclose(d->f_read); |
---|
[d905bf] | 1083 | if (d->f_write!=NULL) fclose(d->f_write); |
---|
| 1084 | if (d->pid!=0) |
---|
[3857cb] | 1085 | { |
---|
[d905bf] | 1086 | kill(d->pid,15); |
---|
| 1087 | waitpid(d->pid,NULL,WNOHANG); |
---|
| 1088 | kill(d->pid,9); // just to be sure |
---|
| 1089 | waitpid(d->pid,NULL,0); |
---|
[3857cb] | 1090 | } |
---|
[d905bf] | 1091 | omFreeSize((ADDRESS)d,(sizeof *d)); |
---|
[87288e] | 1092 | } |
---|
[d905bf] | 1093 | l->data=NULL; |
---|
| 1094 | SI_LINK_SET_CLOSE_P(l); |
---|
[8ed989] | 1095 | } |
---|
| 1096 | return FALSE; |
---|
| 1097 | } |
---|
| 1098 | |
---|
| 1099 | //**************************************************************************/ |
---|
[3726e2] | 1100 | leftv ssiRead1(si_link l) |
---|
[8ed989] | 1101 | { |
---|
| 1102 | ssiInfo *d = (ssiInfo *)l->data; |
---|
[c45b2a5] | 1103 | d->ungetc_buf='\0'; |
---|
[8ed989] | 1104 | leftv res=(leftv)omAlloc0(sizeof(sleftv)); |
---|
| 1105 | int t=0; |
---|
[a796fb] | 1106 | SSI_BLOCK_CHLD; |
---|
[8ed989] | 1107 | fscanf(d->f_read,"%d",&t); |
---|
[a796fb] | 1108 | SSI_UNBLOCK_CHLD; |
---|
[8ed989] | 1109 | //Print("got type %d\n",t); |
---|
| 1110 | switch(t) |
---|
| 1111 | { |
---|
| 1112 | case 1:res->rtyp=INT_CMD; |
---|
| 1113 | res->data=(char *)ssiReadInt(d->f_read); |
---|
| 1114 | break; |
---|
| 1115 | case 2:res->rtyp=STRING_CMD; |
---|
| 1116 | res->data=(char *)ssiReadString(d); |
---|
| 1117 | break; |
---|
| 1118 | case 3:res->rtyp=NUMBER_CMD; |
---|
| 1119 | res->data=(char *)ssiReadNumber(d); |
---|
| 1120 | break; |
---|
| 1121 | case 4:res->rtyp=BIGINT_CMD; |
---|
| 1122 | res->data=(char *)ssiReadBigInt(d); |
---|
| 1123 | break; |
---|
[8f650f3] | 1124 | case 15: |
---|
[8ed989] | 1125 | case 5:{ |
---|
| 1126 | d->r=ssiReadRing(d); |
---|
| 1127 | d->r->ref++; |
---|
| 1128 | res->rtyp=RING_CMD; |
---|
| 1129 | res->data=(char*)d->r; |
---|
| 1130 | // we are in the top-level, so set the basering to d->r: |
---|
| 1131 | ssiSetCurrRing(d->r); |
---|
[8f650f3] | 1132 | if (t==15) return ssiRead1(l); |
---|
[8ed989] | 1133 | } |
---|
| 1134 | break; |
---|
| 1135 | case 6:res->rtyp=POLY_CMD; |
---|
| 1136 | if (d->r==NULL) goto no_ring; |
---|
| 1137 | res->data=(char*)ssiReadPoly(d); |
---|
| 1138 | break; |
---|
| 1139 | case 7:res->rtyp=IDEAL_CMD; |
---|
| 1140 | if (d->r==NULL) goto no_ring; |
---|
| 1141 | res->data=(char*)ssiReadIdeal(d); |
---|
| 1142 | break; |
---|
| 1143 | case 8:res->rtyp=MATRIX_CMD; |
---|
| 1144 | if (d->r==NULL) goto no_ring; |
---|
| 1145 | res->data=(char*)ssiReadMatrix(d); |
---|
| 1146 | break; |
---|
| 1147 | case 9:res->rtyp=VECTOR_CMD; |
---|
| 1148 | if (d->r==NULL) goto no_ring; |
---|
| 1149 | res->data=(char*)ssiReadPoly(d); |
---|
| 1150 | break; |
---|
| 1151 | case 10:res->rtyp=MODUL_CMD; |
---|
| 1152 | if (d->r==NULL) goto no_ring; |
---|
| 1153 | res->data=(char*)ssiReadIdeal(d); |
---|
| 1154 | break; |
---|
| 1155 | case 11: |
---|
| 1156 | { |
---|
| 1157 | res->rtyp=COMMAND; |
---|
| 1158 | res->data=ssiReadCommand(l); |
---|
| 1159 | int nok=res->Eval(); |
---|
| 1160 | if (nok) WerrorS("error in eval"); |
---|
| 1161 | break; |
---|
| 1162 | } |
---|
[8f650f3] | 1163 | case 12: /*DEF_CMD*/ |
---|
[8ed989] | 1164 | { |
---|
| 1165 | res->rtyp=0; |
---|
| 1166 | res->name=(char *)ssiReadString(d); |
---|
| 1167 | int nok=res->Eval(); |
---|
| 1168 | if (nok) WerrorS("error in name lookup"); |
---|
| 1169 | break; |
---|
| 1170 | } |
---|
| 1171 | case 13: res->rtyp=PROC_CMD; |
---|
| 1172 | res->data=ssiReadProc(d); |
---|
| 1173 | break; |
---|
| 1174 | case 14: res->rtyp=LIST_CMD; |
---|
| 1175 | res->data=ssiReadList(l); |
---|
| 1176 | break; |
---|
[e8c21d] | 1177 | case 16: res->rtyp=NONE; res->data=NULL; |
---|
[05241a] | 1178 | break; |
---|
[4d22d3] | 1179 | case 17: res->rtyp=INTVEC_CMD; |
---|
| 1180 | res->data=ssiReadIntvec(d); |
---|
| 1181 | break; |
---|
[a088a12] | 1182 | case 20: ssiReadBlackbox(res,l); |
---|
| 1183 | break; |
---|
[a88046d] | 1184 | // ------------ |
---|
| 1185 | case 98: // version |
---|
| 1186 | { |
---|
| 1187 | int n98_v,n98_m; |
---|
| 1188 | BITSET n98_o1,n98_o2; |
---|
[a796fb] | 1189 | SSI_BLOCK_CHLD; |
---|
[a88046d] | 1190 | fscanf(d->f_read,"%d %d %u %u\n",&n98_v,&n98_m,&n98_o1,&n98_o2); |
---|
[a796fb] | 1191 | SSI_UNBLOCK_CHLD; |
---|
[a88046d] | 1192 | if ((n98_v!=SSI_VERSION) ||(n98_m!=MAX_TOK)) |
---|
| 1193 | { |
---|
| 1194 | Print("incompatible versions of ssi: %d/%d vs %d/%d", |
---|
| 1195 | SSI_VERSION,MAX_TOK,n98_v,n98_m); |
---|
| 1196 | } |
---|
[44e1b7f] | 1197 | #ifndef NDEBUG |
---|
| 1198 | if (TEST_OPT_DEBUG) |
---|
| 1199 | Print("// opening ssi-%d, MAX_TOK=%d\n",n98_v,n98_m); |
---|
| 1200 | #endif |
---|
[a88046d] | 1201 | test=n98_o1; |
---|
| 1202 | verbose=n98_o2; |
---|
[44e1b7f] | 1203 | return ssiRead1(l); |
---|
[a88046d] | 1204 | } |
---|
[3706b2] | 1205 | case 99: ssiClose(l); m2_end(0); |
---|
[8ed989] | 1206 | case 0: if (feof(d->f_read)) |
---|
| 1207 | { |
---|
| 1208 | ssiClose(l); |
---|
| 1209 | res->rtyp=DEF_CMD; |
---|
| 1210 | break; |
---|
| 1211 | } |
---|
[76912c] | 1212 | default: Werror("not implemented (t:%d)",t); |
---|
[8ed989] | 1213 | omFreeSize(res,sizeof(sleftv)); |
---|
| 1214 | res=NULL; |
---|
| 1215 | break; |
---|
| 1216 | } |
---|
| 1217 | return res; |
---|
| 1218 | no_ring: WerrorS("no ring"); |
---|
[a796fb] | 1219 | omFreeSize(res,sizeof(sleftv)); |
---|
[8ed989] | 1220 | return NULL; |
---|
| 1221 | } |
---|
| 1222 | //**************************************************************************/ |
---|
[3726e2] | 1223 | BOOLEAN ssiWrite(si_link l, leftv data) |
---|
[8ed989] | 1224 | { |
---|
[47a616d] | 1225 | if(SI_LINK_W_OPEN_P(l)==0) |
---|
| 1226 | if (slOpen(l,SI_LINK_OPEN|SI_LINK_WRITE,NULL)) return TRUE; |
---|
[8ed989] | 1227 | ssiInfo *d = (ssiInfo *)l->data; |
---|
| 1228 | d->level++; |
---|
| 1229 | //FILE *fich=d->f; |
---|
| 1230 | while (data!=NULL) |
---|
| 1231 | { |
---|
| 1232 | int tt=data->Typ(); |
---|
| 1233 | void *dd=data->Data(); |
---|
| 1234 | |
---|
| 1235 | switch(tt /*data->Typ()*/) |
---|
| 1236 | { |
---|
[a5d5fc] | 1237 | case NONE/* nothing*/:fputs("16 ",d->f_write); |
---|
[f47847f] | 1238 | break; |
---|
[a5d5fc] | 1239 | case STRING_CMD: fputs("2 ",d->f_write); |
---|
[8ed989] | 1240 | ssiWriteString(d,(char *)dd); |
---|
| 1241 | break; |
---|
[a5d5fc] | 1242 | case INT_CMD: fputs("1 ",d->f_write); |
---|
[8ed989] | 1243 | ssiWriteInt(d,(int)(long)dd); |
---|
| 1244 | break; |
---|
[a5d5fc] | 1245 | case BIGINT_CMD:fputs("4 ",d->f_write); |
---|
[8ed989] | 1246 | ssiWriteBigInt(d,(number)dd); |
---|
| 1247 | break; |
---|
| 1248 | case NUMBER_CMD: |
---|
| 1249 | if (d->r!=currRing) |
---|
| 1250 | { |
---|
[a5d5fc] | 1251 | fputs("15 ",d->f_write); |
---|
[8ed989] | 1252 | ssiWriteRing(d,currRing); |
---|
[a5d5fc] | 1253 | if (d->level<=1) fputc('\n',d->f_write); |
---|
[8ed989] | 1254 | } |
---|
[a5d5fc] | 1255 | fputs("3 ",d->f_write); |
---|
[8ed989] | 1256 | ssiWriteNumber(d,(number)dd); |
---|
| 1257 | break; |
---|
[a5d5fc] | 1258 | case RING_CMD:fputs("5 ",d->f_write); |
---|
[8ed989] | 1259 | ssiWriteRing(d,(ring)dd); |
---|
| 1260 | break; |
---|
| 1261 | case POLY_CMD: |
---|
| 1262 | case VECTOR_CMD: |
---|
| 1263 | if (d->r!=currRing) |
---|
| 1264 | { |
---|
[a5d5fc] | 1265 | fputs("15 ",d->f_write); |
---|
[8ed989] | 1266 | ssiWriteRing(d,currRing); |
---|
[a5d5fc] | 1267 | if (d->level<=1) fputc('\n',d->f_write); |
---|
[8ed989] | 1268 | } |
---|
[a5d5fc] | 1269 | if(tt==POLY_CMD) fputs("6 ",d->f_write); |
---|
| 1270 | else fputs("9 ",d->f_write); |
---|
[8ed989] | 1271 | ssiWritePoly(d,tt,(poly)dd); |
---|
| 1272 | break; |
---|
| 1273 | case IDEAL_CMD: |
---|
| 1274 | case MODUL_CMD: |
---|
| 1275 | case MATRIX_CMD: |
---|
| 1276 | if (d->r!=currRing) |
---|
| 1277 | { |
---|
[a5d5fc] | 1278 | fputs("15 ",d->f_write); |
---|
[8ed989] | 1279 | ssiWriteRing(d,currRing); |
---|
[a5d5fc] | 1280 | if (d->level<=1) fputc('\n',d->f_write); |
---|
[8ed989] | 1281 | } |
---|
[a5d5fc] | 1282 | if(tt==IDEAL_CMD) fputs("7 ",d->f_write); |
---|
| 1283 | else if(tt==MATRIX_CMD) fputs("8 ",d->f_write); |
---|
| 1284 | else fputs("10 ",d->f_write); |
---|
[8ed989] | 1285 | ssiWriteIdeal(d,tt,(ideal)dd); |
---|
| 1286 | break; |
---|
| 1287 | case COMMAND: |
---|
[a5d5fc] | 1288 | fputs("11 ",d->f_write); |
---|
[8ed989] | 1289 | ssiWriteCommand(l,(command)dd); |
---|
| 1290 | break; |
---|
| 1291 | case DEF_CMD: /* not evaluated stuff in quotes */ |
---|
[a5d5fc] | 1292 | fputs("12 ",d->f_write); |
---|
[8f650f3] | 1293 | ssiWriteString(d,data->Name()); |
---|
[8ed989] | 1294 | break; |
---|
| 1295 | case PROC_CMD: |
---|
[a5d5fc] | 1296 | fputs("13 ",d->f_write); |
---|
[8f650f3] | 1297 | ssiWriteProc(d,(procinfov)dd); |
---|
| 1298 | break; |
---|
[8ed989] | 1299 | case LIST_CMD: |
---|
[a5d5fc] | 1300 | fputs("14 ",d->f_write); |
---|
[8f650f3] | 1301 | ssiWriteList(l,(lists)dd); |
---|
| 1302 | break; |
---|
[4d22d3] | 1303 | case INTVEC_CMD: |
---|
[a5d5fc] | 1304 | fputs("17 ",d->f_write); |
---|
[4d22d3] | 1305 | ssiWriteIntvec(d,(intvec *)dd); |
---|
| 1306 | break; |
---|
[a088a12] | 1307 | default: |
---|
| 1308 | if (tt>MAX_TOK) |
---|
| 1309 | { |
---|
| 1310 | blackbox *b=getBlackboxStuff(tt); |
---|
[a5d5fc] | 1311 | fputs("20 ",d->f_write); |
---|
[a088a12] | 1312 | b->blackbox_serialize(b,dd,l); |
---|
| 1313 | } |
---|
| 1314 | else |
---|
| 1315 | { |
---|
| 1316 | Werror("not implemented (t:%d, rtyp:%d)",tt, data->rtyp); |
---|
| 1317 | d->level=0; |
---|
| 1318 | return TRUE; |
---|
| 1319 | } |
---|
| 1320 | break; |
---|
[8ed989] | 1321 | } |
---|
[a5d5fc] | 1322 | if (d->level<=1) { fputc('\n',d->f_write); fflush(d->f_write); } |
---|
[8ed989] | 1323 | data=data->next; |
---|
| 1324 | } |
---|
| 1325 | d->level--; |
---|
| 1326 | return FALSE; |
---|
| 1327 | } |
---|
| 1328 | |
---|
| 1329 | si_link_extension slInitSsiExtension(si_link_extension s) |
---|
| 1330 | { |
---|
[b5f276e] | 1331 | s->Open=ssiOpen; |
---|
| 1332 | s->Close=ssiClose; |
---|
| 1333 | s->Kill=ssiClose; |
---|
| 1334 | s->Read=ssiRead1; |
---|
[8ed989] | 1335 | s->Read2=(slRead2Proc)NULL; |
---|
[b5f276e] | 1336 | s->Write=ssiWrite; |
---|
[8ed989] | 1337 | |
---|
| 1338 | s->Status=slStatusSsi; |
---|
| 1339 | s->type="ssi"; |
---|
| 1340 | return s; |
---|
| 1341 | } |
---|
[c45b2a5] | 1342 | |
---|
[8ed989] | 1343 | const char* slStatusSsi(si_link l, const char* request) |
---|
| 1344 | { |
---|
| 1345 | ssiInfo *d=(ssiInfo*)l->data; |
---|
[767349] | 1346 | if (d==NULL) return "not open"; |
---|
[76912c] | 1347 | if (((strcmp(l->mode,"fork")==0)||(strcmp(l->mode,"tcp")==0)) |
---|
| 1348 | && (strcmp(request, "read") == 0)) |
---|
[8ed989] | 1349 | { |
---|
| 1350 | fd_set mask, fdmask; |
---|
| 1351 | struct timeval wt; |
---|
[c45b2a5] | 1352 | if (d->ungetc_buf) return "ready"; |
---|
[8ed989] | 1353 | loop |
---|
| 1354 | { |
---|
| 1355 | /* Don't block. Return socket status immediately. */ |
---|
| 1356 | wt.tv_sec = 0; |
---|
| 1357 | wt.tv_usec = 0; |
---|
| 1358 | |
---|
| 1359 | FD_ZERO(&mask); |
---|
| 1360 | FD_SET(d->fd_read, &mask); |
---|
[767349] | 1361 | //Print("test fd %d\n",d->fd_read); |
---|
[8ed989] | 1362 | /* check with select: chars waiting: no -> not ready */ |
---|
| 1363 | switch (select(d->fd_read+1, &mask, NULL, NULL, &wt)) |
---|
| 1364 | { |
---|
| 1365 | case 0: /* not ready */ return "not ready"; |
---|
| 1366 | case -1: /*error*/ return "error"; |
---|
| 1367 | case 1: /*ready ? */ break; |
---|
| 1368 | } |
---|
| 1369 | /* yes: read 1 char*/ |
---|
| 1370 | /* if \n, check again with select else ungetc(c), ready*/ |
---|
| 1371 | int c=fgetc(d->f_read); |
---|
[767349] | 1372 | //Print("try c=%d\n",c); |
---|
[bc0078] | 1373 | if (c== -1) return "eof"; /* eof or error */ |
---|
[6c2364] | 1374 | else if (isdigit(c)) |
---|
[c45b2a5] | 1375 | { ungetc(c,d->f_read); d->ungetc_buf='\1'; return "ready"; } |
---|
[76912c] | 1376 | else if (c>' ') |
---|
[8ed989] | 1377 | { |
---|
[6c2364] | 1378 | Werror("unknown char in ssiLink(%d)",c); |
---|
| 1379 | return "error"; |
---|
[8ed989] | 1380 | } |
---|
[6c2364] | 1381 | /* else: next char */ |
---|
[8ed989] | 1382 | } |
---|
| 1383 | } |
---|
| 1384 | else if (strcmp(request, "read") == 0) |
---|
| 1385 | { |
---|
| 1386 | if (SI_LINK_R_OPEN_P(l) && (!feof(d->f_read))) return "ready"; |
---|
| 1387 | else return "not ready"; |
---|
| 1388 | } |
---|
| 1389 | else if (strcmp(request, "write") == 0) |
---|
| 1390 | { |
---|
| 1391 | if (SI_LINK_W_OPEN_P(l)) return "ready"; |
---|
| 1392 | else return "not ready"; |
---|
| 1393 | } |
---|
| 1394 | else return "unknown status request"; |
---|
| 1395 | } |
---|
[19bece] | 1396 | |
---|
[a00221d] | 1397 | int slStatusSsiL(lists L, int timeout) |
---|
| 1398 | { |
---|
[bc0078] | 1399 | // input: L: a list with links of type |
---|
[3706b2] | 1400 | // ssi-connect, ssi-fork, ssi-tcp, MPtcp-fork or MPtcp-launch. |
---|
[1edbcdd] | 1401 | // Note: Not every entry in L must be set. |
---|
[42e13c] | 1402 | // timeout: timeout for select in micro-seconds |
---|
| 1403 | // or -1 for infinity |
---|
| 1404 | // or 0 for polling |
---|
| 1405 | // returns: ERROR (via Werror): L has wrong elements or link not open |
---|
| 1406 | // -2: select returns an error |
---|
[1edbcdd] | 1407 | // -1: the read state of all links is eof |
---|
| 1408 | // 0: timeout (or polling): none ready, |
---|
[42e13c] | 1409 | // i>0: (at least) L[i] is ready |
---|
[a00221d] | 1410 | si_link l; |
---|
| 1411 | ssiInfo *d; |
---|
[19bece] | 1412 | int d_fd; |
---|
[a00221d] | 1413 | fd_set mask, fdmask; |
---|
[1edbcdd] | 1414 | FD_ZERO(&fdmask); |
---|
[a00221d] | 1415 | FD_ZERO(&mask); |
---|
[1edbcdd] | 1416 | int max_fd=0; /* 1 + max fd in fd_set */ |
---|
| 1417 | |
---|
| 1418 | /* timeout */ |
---|
[fec3bde] | 1419 | #ifdef HAVE_PSELECT |
---|
[1edbcdd] | 1420 | struct timespec wt; |
---|
| 1421 | struct timespec *wt_ptr=&wt; |
---|
[fec3bde] | 1422 | #else |
---|
| 1423 | struct timeval wt; |
---|
| 1424 | struct timeval *wt_ptr=&wt; |
---|
| 1425 | #endif |
---|
| 1426 | int startingtime = getRTimer()/TIMER_RESOLUTION; // in seconds |
---|
[1edbcdd] | 1427 | if (timeout== -1) |
---|
| 1428 | { |
---|
| 1429 | wt_ptr=NULL; |
---|
| 1430 | } |
---|
| 1431 | else |
---|
| 1432 | { |
---|
| 1433 | wt.tv_sec = timeout / 1000000; |
---|
[fec3bde] | 1434 | #ifdef HAVE_PSELECT |
---|
[1edbcdd] | 1435 | wt.tv_nsec = 1000 * (timeout % 1000000); |
---|
[fec3bde] | 1436 | #else |
---|
| 1437 | wt.tv_usec = timeout % 1000000; |
---|
| 1438 | #endif |
---|
[1edbcdd] | 1439 | } |
---|
| 1440 | |
---|
| 1441 | /* signal mask for pselect() */ |
---|
| 1442 | sigset_t sigmask; |
---|
| 1443 | if(sigprocmask(SIG_SETMASK, NULL, &sigmask) < 0) |
---|
| 1444 | { |
---|
| 1445 | WerrorS("error in sigprocmask()"); |
---|
| 1446 | return -2; |
---|
| 1447 | } |
---|
| 1448 | if(sigaddset(&sigmask, SIGCHLD) < 0) |
---|
| 1449 | { |
---|
| 1450 | WerrorS("error in sigaddset()"); |
---|
| 1451 | return -2; |
---|
| 1452 | } |
---|
| 1453 | |
---|
| 1454 | /* auxiliary variables */ |
---|
[a00221d] | 1455 | int i; |
---|
[1edbcdd] | 1456 | int j; |
---|
| 1457 | int k; |
---|
| 1458 | int s; |
---|
| 1459 | char fdmaskempty; |
---|
| 1460 | |
---|
| 1461 | /* check the links and fill in fdmask */ |
---|
[7ee1907] | 1462 | /* check ssi links for ungetc_buf */ |
---|
[6c70ef] | 1463 | for(i=L->nr; i>=0; i--) |
---|
[a00221d] | 1464 | { |
---|
[7a81686] | 1465 | if (L->m[i].Typ()!=DEF_CMD) |
---|
[4fe434] | 1466 | { |
---|
[7a81686] | 1467 | if (L->m[i].Typ()!=LINK_CMD) |
---|
| 1468 | { WerrorS("all elements must be of type link"); return -2;} |
---|
| 1469 | l=(si_link)L->m[i].Data(); |
---|
| 1470 | if(SI_LINK_OPEN_P(l)==0) |
---|
| 1471 | { WerrorS("all links must be open"); return -2;} |
---|
| 1472 | if (((strcmp(l->m->type,"ssi")!=0) && (strcmp(l->m->type,"MPtcp")!=0)) |
---|
| 1473 | || ((strcmp(l->mode,"fork")!=0) && (strcmp(l->mode,"tcp")!=0) |
---|
[3706b2] | 1474 | && (strcmp(l->mode,"launch")!=0) && (strcmp(l->mode,"connect")!=0))) |
---|
[7a81686] | 1475 | { |
---|
[3706b2] | 1476 | WerrorS("all links must be of type ssi:fork, ssi:tcp, ssi:connect,"); |
---|
| 1477 | WerrorS(" MPtcp:fork or MPtcp:launch"); |
---|
[7a81686] | 1478 | return -2; |
---|
| 1479 | } |
---|
[19bece] | 1480 | d=(ssiInfo*)l->data; |
---|
| 1481 | d_fd=d->fd_read; |
---|
[7ee1907] | 1482 | if (d->ungetc_buf=='\0') |
---|
| 1483 | { |
---|
| 1484 | FD_SET(d_fd, &fdmask); |
---|
| 1485 | if (d_fd > max_fd) max_fd=d_fd; |
---|
| 1486 | } |
---|
| 1487 | else |
---|
| 1488 | return i+1; |
---|
[7a81686] | 1489 | } |
---|
[a00221d] | 1490 | } |
---|
[6c70ef] | 1491 | max_fd++; |
---|
[1edbcdd] | 1492 | |
---|
| 1493 | do_select: |
---|
| 1494 | /* copy fdmask to mask */ |
---|
| 1495 | FD_ZERO(&mask); |
---|
| 1496 | for(k = 0; k < max_fd; k++) |
---|
[a00221d] | 1497 | { |
---|
[1edbcdd] | 1498 | if(FD_ISSET(k, &fdmask)) |
---|
| 1499 | { |
---|
| 1500 | FD_SET(k, &mask); |
---|
| 1501 | } |
---|
[a00221d] | 1502 | } |
---|
[1edbcdd] | 1503 | |
---|
[a00221d] | 1504 | /* check with select: chars waiting: no -> not ready */ |
---|
[fec3bde] | 1505 | #ifdef HAVE_PSELECT |
---|
[1edbcdd] | 1506 | s = pselect(max_fd, &mask, NULL, NULL, wt_ptr, &sigmask); |
---|
[fec3bde] | 1507 | #else |
---|
[a796fb] | 1508 | SSI_BLOCK_CHLD; |
---|
| 1509 | s = select(max_fd, &mask, NULL, NULL, wt_ptr); |
---|
| 1510 | SSI_UNBLOCK_CHLD; |
---|
| 1511 | #endif |
---|
[fec3bde] | 1512 | |
---|
[8a9bcca] | 1513 | if (s==-1) |
---|
[a796fb] | 1514 | { |
---|
[8a9bcca] | 1515 | WerrorS("error in select call"); |
---|
| 1516 | return -2; /*error*/ |
---|
| 1517 | } |
---|
[f47847f] | 1518 | if (s==0) |
---|
[a00221d] | 1519 | { |
---|
[1edbcdd] | 1520 | return 0; /*poll: not ready */ |
---|
[a00221d] | 1521 | } |
---|
[bc0078] | 1522 | else /* s>0, at least one ready (the number of fd which are ready is s)*/ |
---|
[a00221d] | 1523 | { |
---|
[bc0078] | 1524 | j=0; |
---|
[a00221d] | 1525 | while (j<=max_fd) { if (FD_ISSET(j,&mask)) break; j++; } |
---|
[6c70ef] | 1526 | for(i=L->nr; i>=0; i--) |
---|
[a00221d] | 1527 | { |
---|
[7a81686] | 1528 | if (L->m[i].rtyp==LINK_CMD) |
---|
[19bece] | 1529 | { |
---|
[7a81686] | 1530 | l=(si_link)L->m[i].Data(); |
---|
[19bece] | 1531 | d=(ssiInfo*)l->data; |
---|
| 1532 | d_fd=d->fd_read; |
---|
| 1533 | if(j==d_fd) break; |
---|
| 1534 | } |
---|
[a00221d] | 1535 | } |
---|
[19bece] | 1536 | // only ssi links: |
---|
[a00221d] | 1537 | loop |
---|
| 1538 | { |
---|
| 1539 | /* yes: read 1 char*/ |
---|
| 1540 | /* if \n, check again with select else ungetc(c), ready*/ |
---|
| 1541 | /* setting: d: current ssiInfo, j current fd, i current entry in L*/ |
---|
| 1542 | int c=fgetc(d->f_read); |
---|
| 1543 | //Print("try c=%d\n",c); |
---|
[1edbcdd] | 1544 | if (c== -1) /* eof */ |
---|
[bc0078] | 1545 | { |
---|
[1edbcdd] | 1546 | FD_CLR(j,&fdmask); |
---|
| 1547 | fdmaskempty = 1; |
---|
| 1548 | for(k = 0; k < max_fd; k++) |
---|
| 1549 | { |
---|
| 1550 | if(FD_ISSET(k, &fdmask)) |
---|
| 1551 | { |
---|
| 1552 | fdmaskempty = 0; |
---|
| 1553 | break; |
---|
| 1554 | } |
---|
| 1555 | } |
---|
| 1556 | if(fdmaskempty) |
---|
| 1557 | { |
---|
| 1558 | return -1; |
---|
| 1559 | } |
---|
| 1560 | if(timeout != -1) |
---|
| 1561 | { |
---|
| 1562 | timeout = si_max(0, |
---|
| 1563 | timeout - 1000000*(getRTimer()/TIMER_RESOLUTION - startingtime)); |
---|
| 1564 | wt.tv_sec = timeout / 1000000; |
---|
[fec3bde] | 1565 | #ifdef HAVE_PSELECT |
---|
[1edbcdd] | 1566 | wt.tv_nsec = 1000 * (timeout % 1000000); |
---|
[fec3bde] | 1567 | #else |
---|
| 1568 | wt.tv_usec = (timeout % 1000000); |
---|
| 1569 | #endif |
---|
[1edbcdd] | 1570 | } |
---|
| 1571 | goto do_select; |
---|
[bc0078] | 1572 | } |
---|
[1edbcdd] | 1573 | |
---|
[a00221d] | 1574 | else if (isdigit(c)) |
---|
[c45b2a5] | 1575 | { ungetc(c,d->f_read); d->ungetc_buf='\1'; return i+1; } |
---|
[a00221d] | 1576 | else if (c>' ') |
---|
| 1577 | { |
---|
| 1578 | Werror("unknown char in ssiLink(%d)",c); |
---|
| 1579 | return -2; |
---|
| 1580 | } |
---|
| 1581 | /* else: next char */ |
---|
| 1582 | } |
---|
| 1583 | } |
---|
| 1584 | } |
---|
| 1585 | |
---|
[841fec] | 1586 | int ssiBatch(const char *host, const char * port) |
---|
| 1587 | /* return 0 on success, >0 else*/ |
---|
| 1588 | { |
---|
[87288e] | 1589 | si_link l=(si_link) omAlloc0Bin(sip_link_bin); |
---|
| 1590 | char *buf=(char*)omAlloc(256); |
---|
| 1591 | sprintf(buf,"ssi:connect %s:%s",host,port); |
---|
| 1592 | slInit(l, buf); |
---|
[47a616d] | 1593 | if (slOpen(l,SI_LINK_OPEN,NULL)) return 1; |
---|
[87288e] | 1594 | SI_LINK_SET_RW_OPEN_P(l); |
---|
[b65d1d] | 1595 | |
---|
| 1596 | idhdl id = enterid(omStrDup("link_ll"), 0, LINK_CMD, &IDROOT, FALSE); |
---|
| 1597 | IDLINK(id) = l; |
---|
| 1598 | |
---|
[87288e] | 1599 | loop |
---|
[0f4cea] | 1600 | { |
---|
[87288e] | 1601 | leftv h=ssiRead1(l); /*contains an exit.... */ |
---|
| 1602 | if (feErrors != NULL && *feErrors != '\0') |
---|
[0f4cea] | 1603 | { |
---|
[87288e] | 1604 | // handle errors: |
---|
| 1605 | PrintS(feErrors); /* currently quite simple */ |
---|
| 1606 | *feErrors = '\0'; |
---|
[0f4cea] | 1607 | } |
---|
[87288e] | 1608 | ssiWrite(l,h); |
---|
| 1609 | h->CleanUp(); |
---|
| 1610 | omFreeBin(h, sleftv_bin); |
---|
[0f4cea] | 1611 | } |
---|
[87288e] | 1612 | /* never reached*/ |
---|
[0f4cea] | 1613 | exit(0); |
---|
[841fec] | 1614 | } |
---|
| 1615 | |
---|
[8ed989] | 1616 | // ---------------------------------------------------------------- |
---|
| 1617 | // format |
---|
| 1618 | // 1 int %d |
---|
| 1619 | // 2 string <len> %s |
---|
| 1620 | // 3 number |
---|
| 1621 | // 4 bigint 4 %d or 3 <mpz_t> |
---|
| 1622 | // 5 ring |
---|
| 1623 | // 6 poly |
---|
| 1624 | // 7 ideal |
---|
| 1625 | // 8 matrix |
---|
| 1626 | // 9 vector |
---|
| 1627 | // 10 module |
---|
| 1628 | // 11 command |
---|
| 1629 | // 12 def <len> %s |
---|
| 1630 | // 13 proc <len> %s |
---|
| 1631 | // 14 list %d <elem1> .... |
---|
[8f650f3] | 1632 | // 15 setring ....... |
---|
[05241a] | 1633 | // 16 nothing |
---|
[4d22d3] | 1634 | // 17 intvec <len> ... |
---|
[8ed989] | 1635 | // |
---|
[a088a12] | 1636 | // 20 blackbox <name> ... |
---|
| 1637 | // |
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[a88046d] | 1638 | // 98: verify version: <ssi-version> <MAX_TOK> <OPT1> <OPT2> |
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[05241a] | 1639 | // 99: quit Singular |
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