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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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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13 | #include <sys/types.h> |
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14 | #include <signal.h> |
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15 | #include <sys/types.h> /* for portability */ |
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16 | #include <sys/select.h> |
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17 | #include <sys/socket.h> |
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18 | #include <netinet/in.h> |
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19 | #include <ctype.h> /*for isdigit*/ |
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20 | #include <netdb.h> |
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21 | #include <sys/wait.h> |
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22 | |
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23 | |
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24 | |
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25 | #include <kernel/mod2.h> |
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26 | // #include "mod2.h" |
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27 | |
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28 | #include <Singular/tok.h> |
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29 | #include <Singular/ipid.h> |
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30 | #include <omalloc/omalloc.h> |
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31 | #include <polys/monomials/ring.h> |
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32 | #include <polys/matpol.h> |
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33 | #include <kernel/ideals.h> |
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34 | #include <polys/polys.h> |
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35 | #include <kernel/longrat.h> |
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36 | #include <kernel/ideals.h> |
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37 | #include <misc/intvec.h> |
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38 | #include <misc/options.h> |
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39 | #include <kernel/timer.h> |
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40 | #include <Singular/subexpr.h> |
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41 | #include <Singular/silink.h> |
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42 | #include <Singular/cntrlc.h> |
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43 | #include <Singular/lists.h> |
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44 | #include <Singular/blackbox.h> |
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45 | #include <Singular/ssiLink.h> |
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46 | |
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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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51 | struct snumber_dummy |
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52 | { |
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53 | mpz_t z; |
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54 | mpz_t n; |
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55 | #if defined(LDEBUG) |
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56 | int debug; |
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57 | #endif |
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58 | BOOLEAN s; |
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59 | }; |
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60 | typedef struct snumber_dummy *number_dummy; |
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61 | |
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62 | //#if (_POSIX_C_SOURCE >= 200112L) || (_XOPEN_SOURCE >= 600) |
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63 | //#define HAVE_PSELECT |
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64 | //#endif |
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65 | |
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66 | #define SSI_VERSION 2 |
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67 | |
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68 | typedef struct |
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69 | { |
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70 | FILE *f_read; |
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71 | FILE *f_write; |
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72 | ring r; |
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73 | pid_t pid; /* only valid for fork/tcp mode*/ |
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74 | int fd_read,fd_write; /* only valid for fork/tcp mode*/ |
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75 | char level; |
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76 | char ungetc_buf; /* status sets to !=0, if ungetc was used, ssiRead* set to 0*/ |
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77 | char send_quit_at_exit; |
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78 | |
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79 | } ssiInfo; |
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80 | |
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81 | |
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82 | link_list ssiToBeClosed=NULL; |
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83 | sigset_t ssi_sigmask; |
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84 | sigset_t ssi_oldmask; |
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85 | #define SSI_BLOCK_CHLD sigprocmask(SIG_SETMASK, &ssi_sigmask, &ssi_oldmask) |
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86 | #define SSI_UNBLOCK_CHLD sigprocmask(SIG_SETMASK, &ssi_oldmask, NULL) |
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87 | |
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88 | #define SR_INT 1L |
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89 | #define SR_HDL(A) ((long)(A)) |
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90 | #define SR_TO_INT(SR) (((long)SR) >> 2) |
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91 | |
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92 | // the helper functions: |
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93 | void ssiSetCurrRing(const ring r) |
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94 | { |
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95 | if (!rEqual(r,currRing,1)) |
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96 | { |
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97 | char name[20]; |
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98 | int nr=0; |
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99 | do |
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100 | { sprintf(name,"ssiRing%d",nr); nr++; } |
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101 | while(IDROOT->get(name, 0)!=NULL); |
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102 | idhdl h=enterid(omStrDup(name),0,RING_CMD,&IDROOT,FALSE); |
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103 | IDRING(h)=r; |
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104 | r->ref++; |
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105 | rSetHdl(h); |
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106 | } |
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107 | } |
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108 | // the implementation of the functions: |
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109 | void ssiWriteInt(ssiInfo *d,const int i) |
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110 | { |
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111 | SSI_BLOCK_CHLD; |
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112 | fprintf(d->f_write,"%d ",i); |
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113 | SSI_UNBLOCK_CHLD; |
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114 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"int: %d ",i); |
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115 | } |
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116 | |
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117 | void ssiWriteString(ssiInfo *d,const char *s) |
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118 | { |
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119 | SSI_BLOCK_CHLD; |
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120 | fprintf(d->f_write,"%d %s ",strlen(s),s); |
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121 | SSI_UNBLOCK_CHLD; |
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122 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"stringi: %d \"%s\" ",strlen(s),s); |
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123 | } |
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124 | |
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125 | |
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126 | void ssiWriteBigInt(const ssiInfo *d, const number n) |
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127 | { |
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128 | // syntax is as follows: |
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129 | // case 2 Q: 3 4 <int> |
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130 | // or 3 3 <mpz_t nominator> |
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131 | SSI_BLOCK_CHLD; |
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132 | if((long)(n) & SR_INT) |
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133 | { |
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134 | fprintf(d->f_write,"4 %ld ",SR_TO_INT(n)); |
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135 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"bigint: short \"%ld\" ",SR_TO_INT(n)); |
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136 | } |
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137 | else if (((number_dummy)n)->s==3) |
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138 | { |
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139 | fputs("3 ",d->f_write); |
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140 | mpz_out_str(d->f_write,10,((number_dummy)n)->z); |
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141 | fputc(' ',d->f_write); |
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142 | //gmp_fprintf(d->f_write,"3 %Zd ",n->z); |
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143 | //if (d->f_debug!=NULL) gmp_fprintf(d->f_debug,"bigint: gmp \"%Zd\" ",n->z); |
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144 | } |
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145 | else WerrorS("illiegal bigint"); |
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146 | SSI_UNBLOCK_CHLD; |
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147 | } |
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148 | |
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149 | void ssiWriteNumber(const ssiInfo *d, const number n) |
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150 | { |
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151 | // syntax is as follows: |
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152 | // case 1 Z/p: 3 <int> |
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153 | // case 2 Q: 3 4 <int> |
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154 | // or 3 0 <mpz_t nominator> <mpz_t denominator> |
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155 | // or 3 1 dto. |
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156 | // or 3 3 <mpz_t nominator> |
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157 | // or 3 5 <mpz_t raw nom.> <mpz_t raw denom.> |
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158 | // or 3 6 <mpz_t raw nom.> <mpz_t raw denom.> |
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159 | // or 3 7 <mpz_t raw nom.> |
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160 | SSI_BLOCK_CHLD; |
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161 | if(rField_is_Zp(d->r)) |
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162 | { |
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163 | fprintf(d->f_write,"%d ",(int)(long)n); |
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164 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"number: \"%ld\" ",(int)(long)n); |
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165 | } |
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166 | else if (rField_is_Q(d->r)) |
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167 | { |
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168 | if(SR_HDL(n) & SR_INT) |
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169 | { |
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170 | fprintf(d->f_write,"4 %ld ",SR_TO_INT(n)); |
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171 | //if (d->f_debug!=NULL) fprintf(d->f_debug,"number: short \"%ld\" ",SR_TO_INT(n)); |
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172 | } |
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173 | else if (((number_dummy)n)->s<2) |
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174 | { |
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175 | //gmp_fprintf(d->f_write,"%d %Zd %Zd ",n->s,n->z,n->n); |
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176 | fprintf(d->f_write,"%d ",((number_dummy)n)->s+5); |
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177 | mpz_out_str (d->f_write,32, ((number_dummy)n)->z); |
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178 | fputc(' ',d->f_write); |
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179 | mpz_out_str (d->f_write,32, ((number_dummy)n)->n); |
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180 | fputc(' ',d->f_write); |
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181 | |
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182 | //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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183 | } |
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184 | else /*n->s==3*/ |
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185 | { |
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186 | //gmp_fprintf(d->f_write,"3 %Zd ",n->z); |
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187 | fputs("8 ",d->f_write); |
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188 | mpz_out_str (d->f_write,32, ((number_dummy)n)->z); |
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189 | fputc(' ',d->f_write); |
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190 | |
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191 | //if (d->f_debug!=NULL) gmp_fprintf(d->f_debug,"number: gmp \"%Zd\" ",n->z); |
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192 | } |
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193 | } |
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194 | else WerrorS("coeff field not implemented"); |
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195 | SSI_UNBLOCK_CHLD; |
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196 | } |
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197 | |
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198 | void ssiWriteRing(ssiInfo *d,const ring r) |
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199 | { |
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200 | /* 5 <ch> <N> <l1> <v1> ...<lN> <vN> <number of orderings> <ord1> <block0_1> <block1_1> .... */ |
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201 | if (d->r!=NULL) rKill(d->r); |
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202 | d->r=r; |
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203 | d->r->ref++; |
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204 | SSI_BLOCK_CHLD; |
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205 | fprintf(d->f_write,"%d %d ",r->ch,r->N); |
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206 | |
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207 | int i; |
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208 | for(i=0;i<r->N;i++) |
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209 | { |
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210 | fprintf(d->f_write,"%d %s ",strlen(r->names[i]),r->names[i]); |
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211 | } |
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212 | /* number of orderings:*/ |
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213 | i=0; |
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214 | while (r->order[i]!=0) i++; |
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215 | fprintf(d->f_write,"%d ",i); |
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216 | /* each ordering block: */ |
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217 | i=0; |
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218 | while(r->order[i]!=0) |
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219 | { |
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220 | fprintf(d->f_write,"%d %d %d ",r->order[i],r->block0[i], r->block1[i]); |
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221 | i++; |
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222 | } |
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223 | SSI_UNBLOCK_CHLD; |
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224 | } |
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225 | |
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226 | void ssiWritePoly(ssiInfo *d, int typ, poly p) |
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227 | { |
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228 | SSI_BLOCK_CHLD; |
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229 | fprintf(d->f_write,"%d ",pLength(p));//number of terms |
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230 | SSI_UNBLOCK_CHLD; |
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231 | int i; |
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232 | |
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233 | while(p!=NULL) |
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234 | { |
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235 | ssiWriteNumber(d,pGetCoeff(p)); |
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236 | //nWrite(fich,pGetCoeff(p)); |
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237 | SSI_BLOCK_CHLD; |
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238 | fprintf(d->f_write,"%ld ",p_GetComp(p,d->r));//component |
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239 | |
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240 | for(int j=1;j<=rVar(d->r);j++) |
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241 | { |
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242 | fprintf(d->f_write,"%ld ",p_GetExp(p,j,d->r ));//x^j |
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243 | } |
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244 | pIter(p); |
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245 | SSI_UNBLOCK_CHLD; |
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246 | } |
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247 | } |
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248 | |
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249 | void ssiWriteIdeal(ssiInfo *d, int typ,ideal I) |
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250 | { |
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251 | // syntax: 7 # of elements <poly 1> <poly2>..... |
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252 | // syntax: 8 <rows> <cols> <poly 1> <poly2>..... |
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253 | matrix M=(matrix)I; |
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254 | SSI_BLOCK_CHLD; |
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255 | if (typ==MATRIX_CMD) |
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256 | fprintf(d->f_write,"%d %d ", MATROWS(M),MATCOLS(M)); |
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257 | else |
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258 | fprintf(d->f_write,"%d ",IDELEMS(I)); |
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259 | SSI_UNBLOCK_CHLD; |
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260 | |
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261 | int i; |
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262 | int tt; |
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263 | if (typ==MODUL_CMD) tt=VECTOR_CMD; |
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264 | else tt=POLY_CMD; |
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265 | |
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266 | for(i=0;i<IDELEMS(I);i++) |
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267 | { |
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268 | ssiWritePoly(d,tt,I->m[i]); |
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269 | } |
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270 | } |
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271 | void ssiWriteCommand(si_link l, command D) |
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272 | { |
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273 | ssiInfo *d=(ssiInfo*)l->data; |
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274 | // syntax: <num ops> <operation> <op1> <op2> .... |
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275 | SSI_BLOCK_CHLD; |
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276 | fprintf(d->f_write,"%d %d ",D->argc,D->op); |
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277 | SSI_UNBLOCK_CHLD; |
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278 | if (D->argc >0) ssiWrite(l, &(D->arg1)); |
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279 | if (D->argc < 4) |
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280 | { |
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281 | if (D->argc >1) ssiWrite(l, &(D->arg2)); |
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282 | if (D->argc >2) ssiWrite(l, &(D->arg3)); |
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283 | } |
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284 | } |
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285 | |
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286 | void ssiWriteProc(ssiInfo *d,procinfov p) |
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287 | { |
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288 | ssiWriteString(d,p->data.s.body); |
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289 | } |
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290 | |
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291 | void ssiWriteList(si_link l,lists dd) |
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292 | { |
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293 | ssiInfo *d=(ssiInfo*)l->data; |
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294 | SSI_BLOCK_CHLD; |
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295 | fprintf(d->f_write,"%d ",dd->nr+1); |
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296 | SSI_UNBLOCK_CHLD; |
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297 | int i; |
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298 | for(i=0;i<=dd->nr;i++) |
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299 | { |
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300 | ssiWrite(l,&(dd->m[i])); |
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301 | } |
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302 | } |
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303 | void ssiWriteIntvec(ssiInfo *d,intvec * v) |
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304 | { |
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305 | SSI_BLOCK_CHLD; |
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306 | fprintf(d->f_write,"%d ",v->length()); |
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307 | int i; |
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308 | for(i=0;i<v->length();i++) |
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309 | { |
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310 | fprintf(d->f_write,"%d ",(*v)[i]); |
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311 | } |
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312 | SSI_UNBLOCK_CHLD; |
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313 | } |
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314 | |
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315 | char *ssiReadString(ssiInfo *d) |
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316 | { |
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317 | char *buf; |
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318 | int l; |
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319 | SSI_BLOCK_CHLD; |
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320 | fscanf(d->f_read,"%d ",&l); |
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321 | SSI_UNBLOCK_CHLD; |
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322 | buf=(char*)omAlloc(l+1); |
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323 | SSI_BLOCK_CHLD; |
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324 | fread(buf,1,l,d->f_read); |
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325 | SSI_UNBLOCK_CHLD; |
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326 | buf[l]='\0'; |
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327 | return buf; |
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328 | } |
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329 | |
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330 | int ssiReadInt(FILE *fich) |
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331 | { |
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332 | int d; |
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333 | SSI_BLOCK_CHLD; |
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334 | fscanf(fich,"%d",&d); |
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335 | SSI_UNBLOCK_CHLD; |
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336 | return d; |
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337 | } |
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338 | |
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339 | number ssiReadBigInt(ssiInfo *d) |
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340 | { |
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341 | int sub_type=-1; |
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342 | SSI_BLOCK_CHLD; |
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343 | fscanf(d->f_read,"%d",&sub_type); |
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344 | SSI_UNBLOCK_CHLD; |
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345 | switch(sub_type) |
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346 | { |
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347 | case 3: |
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348 | {// read int or mpz_t or mpz_t, mpz_t |
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349 | number n=nlRInit(0); |
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350 | SSI_BLOCK_CHLD; |
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351 | mpz_inp_str(((number_dummy)n)->z,d->f_read,0); |
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352 | SSI_UNBLOCK_CHLD; |
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353 | ((number_dummy)n)->s=sub_type; |
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354 | return n; |
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355 | } |
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356 | case 4: |
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357 | { |
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358 | int dd; |
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359 | SSI_BLOCK_CHLD; |
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360 | fscanf(d->f_read,"%d",&dd); |
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361 | SSI_UNBLOCK_CHLD; |
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362 | return INT_TO_SR(dd); |
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363 | } |
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364 | default: |
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365 | Werror("error in reading bigint: invalid subtype %d",sub_type); |
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366 | return NULL; |
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367 | } |
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368 | } |
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369 | |
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370 | number ssiReadNumber(ssiInfo *d) |
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371 | { |
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372 | if (rField_is_Q(d->r)) |
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373 | { |
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374 | int sub_type=-1; |
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375 | SSI_BLOCK_CHLD; |
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376 | fscanf(d->f_read,"%d",&sub_type); |
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377 | SSI_UNBLOCK_CHLD; |
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378 | switch(sub_type) |
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379 | { |
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380 | case 0: |
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381 | case 1: |
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382 | {// read mpz_t, mpz_t |
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383 | number n=nlRInit(0); |
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384 | mpz_init(((number_dummy)n)->n); |
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385 | SSI_BLOCK_CHLD; |
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386 | gmp_fscanf(d->f_read,"%Zd %Zd",((number_dummy)n)->z,((number_dummy)n)->n); |
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387 | SSI_UNBLOCK_CHLD; |
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388 | ((number_dummy)n)->s=sub_type; |
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389 | return n; |
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390 | } |
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391 | |
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392 | case 3: |
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393 | {// read mpz_t |
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394 | number n=nlRInit(0); |
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395 | SSI_BLOCK_CHLD; |
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396 | gmp_fscanf(d->f_read,"%Zd",((number_dummy)n)->z); |
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397 | SSI_UNBLOCK_CHLD; |
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398 | ((number_dummy)n)->s=3; /*sub_type*/ |
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399 | return n; |
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400 | } |
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401 | case 4: |
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402 | { |
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403 | int dd; |
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404 | SSI_BLOCK_CHLD; |
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405 | fscanf(d->f_read,"%d",&dd); |
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406 | SSI_UNBLOCK_CHLD; |
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407 | return INT_TO_SR(dd); |
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408 | } |
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409 | case 5: |
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410 | case 6: |
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411 | {// read raw mpz_t, mpz_t |
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412 | number n=nlRInit(0); |
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413 | mpz_init(((number_dummy)n)->n); |
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414 | SSI_BLOCK_CHLD; |
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415 | mpz_inp_str (((number_dummy)n)->z, d->f_read, 32); |
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416 | mpz_inp_str (((number_dummy)n)->n, d->f_read, 32); |
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417 | SSI_UNBLOCK_CHLD; |
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418 | ((number_dummy)n)->s=sub_type-5; |
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419 | return n; |
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420 | } |
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421 | case 8: |
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422 | {// read raw mpz_t |
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423 | number n=nlRInit(0); |
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424 | SSI_BLOCK_CHLD; |
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425 | mpz_inp_str (((number_dummy)n)->z, d->f_read, 32); |
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426 | SSI_UNBLOCK_CHLD; |
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427 | ((number_dummy)n)->s=sub_type=3; /*subtype-5*/ |
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428 | return n; |
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429 | } |
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430 | |
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431 | default: Werror("error in reading number: invalid subtype %d",sub_type); |
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432 | return NULL; |
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433 | } |
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434 | } |
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435 | else if (rField_is_Zp(d->r)) |
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436 | { |
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437 | // read int |
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438 | int dd; |
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439 | SSI_BLOCK_CHLD; |
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440 | fscanf(d->f_read,"%d",&dd); |
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441 | SSI_UNBLOCK_CHLD; |
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442 | return (number)dd; |
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443 | } |
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444 | else Werror("coeffs not implemented"); |
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445 | return NULL; |
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446 | } |
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447 | |
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448 | ring ssiReadRing(ssiInfo *d) |
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449 | { |
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450 | /* syntax is <ch> <N> <l1> <v1> ...<lN> <vN> <number of orderings> <ord1> <block0_1> <block1_1> .... */ |
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451 | int ch, N,i,l; |
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452 | char **names; |
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453 | SSI_BLOCK_CHLD; |
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454 | fscanf(d->f_read,"%d %d ",&ch,&N); |
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455 | SSI_UNBLOCK_CHLD; |
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456 | names=(char**)omAlloc(N*sizeof(char*)); |
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457 | for(i=0;i<N;i++) |
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458 | { |
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459 | names[i]=ssiReadString(d); |
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460 | } |
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461 | // read the orderings: |
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462 | int num_ord; // number of orderings |
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463 | SSI_BLOCK_CHLD; |
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464 | fscanf(d->f_read,"%d",&num_ord); |
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465 | SSI_UNBLOCK_CHLD; |
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466 | int *ord=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
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467 | int *block0=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
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468 | int *block1=(int *)omAlloc0((num_ord+1)*sizeof(int)); |
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469 | SSI_BLOCK_CHLD; |
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470 | for(i=0;i<num_ord;i++) |
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471 | { |
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472 | fscanf(d->f_read,"%d %d %d",&ord[i],&block0[i],&block1[i]); |
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473 | } |
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474 | SSI_UNBLOCK_CHLD; |
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475 | return rDefault(ch,N,names,num_ord,ord,block0,block1); |
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476 | } |
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477 | |
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478 | poly ssiReadPoly(ssiInfo *D) |
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479 | { |
---|
480 | // < # of terms> < term1> < ..... |
---|
481 | int n,i,l; |
---|
482 | n=ssiReadInt(D->f_read); |
---|
483 | //Print("poly: terms:%d\n",n); |
---|
484 | poly p; |
---|
485 | int j; |
---|
486 | j=0; |
---|
487 | poly ret=NULL; |
---|
488 | poly prev=NULL; |
---|
489 | for(l=0;l<n;l++) // read n terms |
---|
490 | { |
---|
491 | // coef,comp.exp1,..exp N |
---|
492 | p=p_Init(D->r); |
---|
493 | pGetCoeff(p)=ssiReadNumber(D); |
---|
494 | int d; |
---|
495 | SSI_BLOCK_CHLD; |
---|
496 | fscanf(D->f_read,"%d",&d); |
---|
497 | SSI_UNBLOCK_CHLD; |
---|
498 | p_SetComp(p,d,D->r); |
---|
499 | for(i=1;i<=rVar(D->r);i++) |
---|
500 | { |
---|
501 | SSI_BLOCK_CHLD; |
---|
502 | fscanf(D->f_read,"%d",&d); |
---|
503 | SSI_UNBLOCK_CHLD; |
---|
504 | p_SetExp(p,i,d,D->r); |
---|
505 | } |
---|
506 | p_Setm(p,D->r); |
---|
507 | p_Test(p,D->r); |
---|
508 | if (ret==NULL) ret=p; |
---|
509 | else pNext(prev)=p; |
---|
510 | prev=p; |
---|
511 | } |
---|
512 | return ret; |
---|
513 | } |
---|
514 | |
---|
515 | ideal ssiReadIdeal(ssiInfo *d) |
---|
516 | { |
---|
517 | int n,i; |
---|
518 | ideal I; |
---|
519 | SSI_BLOCK_CHLD; |
---|
520 | fscanf(d->f_read,"%d",&n); |
---|
521 | SSI_UNBLOCK_CHLD; |
---|
522 | I=idInit(n,1); |
---|
523 | for(i=0;i<IDELEMS(I);i++) // read n terms |
---|
524 | { |
---|
525 | I->m [i]=ssiReadPoly(d); |
---|
526 | } |
---|
527 | return I; |
---|
528 | } |
---|
529 | |
---|
530 | matrix ssiReadMatrix(ssiInfo *d) |
---|
531 | { |
---|
532 | int n,m,i,j; |
---|
533 | SSI_BLOCK_CHLD; |
---|
534 | fscanf(d->f_read,"%d %d",&m,&n); |
---|
535 | SSI_UNBLOCK_CHLD; |
---|
536 | matrix M=mpNew(m,n); |
---|
537 | poly p; |
---|
538 | for(int i=1;i<=MATROWS(M);i++) |
---|
539 | for(int j=1;j<=MATCOLS(M);j++) |
---|
540 | { |
---|
541 | p=ssiReadPoly(d); |
---|
542 | MATELEM(M,i,j)=p; |
---|
543 | } |
---|
544 | return M; |
---|
545 | } |
---|
546 | |
---|
547 | command ssiReadCommand(si_link l) |
---|
548 | { |
---|
549 | ssiInfo *d=(ssiInfo*)l->data; |
---|
550 | // syntax: <num ops> <operation> <op1> <op2> .... |
---|
551 | command D=(command)omAlloc0(sizeof(*D)); |
---|
552 | int argc,op; |
---|
553 | SSI_BLOCK_CHLD; |
---|
554 | fscanf(d->f_read,"%d %d",&argc,&op); |
---|
555 | SSI_UNBLOCK_CHLD; |
---|
556 | D->argc=argc; D->op=op; |
---|
557 | leftv v; |
---|
558 | if (argc >0) |
---|
559 | { |
---|
560 | v=ssiRead1(l); |
---|
561 | memcpy(&(D->arg1),v,sizeof(*v)); |
---|
562 | omFreeBin(v,sleftv_bin); |
---|
563 | } |
---|
564 | if (argc <4) |
---|
565 | { |
---|
566 | if (D->argc >1) |
---|
567 | { |
---|
568 | v=ssiRead1(l); |
---|
569 | memcpy(&(D->arg2),v,sizeof(*v)); |
---|
570 | omFreeBin(v,sleftv_bin); |
---|
571 | } |
---|
572 | if (D->argc >2) |
---|
573 | { |
---|
574 | v=ssiRead1(l); |
---|
575 | memcpy(&(D->arg3),v,sizeof(*v)); |
---|
576 | omFreeBin(v,sleftv_bin); |
---|
577 | } |
---|
578 | } |
---|
579 | else |
---|
580 | { |
---|
581 | leftv prev=&(D->arg1); |
---|
582 | argc--; |
---|
583 | while(argc >0) |
---|
584 | { |
---|
585 | v=ssiRead1(l); |
---|
586 | prev->next=v; |
---|
587 | prev=v; |
---|
588 | argc--; |
---|
589 | } |
---|
590 | } |
---|
591 | return D; |
---|
592 | } |
---|
593 | |
---|
594 | procinfov ssiReadProc(ssiInfo *d) |
---|
595 | { |
---|
596 | char *s=ssiReadString(d); |
---|
597 | procinfov p=(procinfov)omAlloc0Bin(procinfo_bin); |
---|
598 | p->language=LANG_SINGULAR; |
---|
599 | p->libname=omStrDup(""); |
---|
600 | p->procname=omStrDup(""); |
---|
601 | p->data.s.body=s; |
---|
602 | return p; |
---|
603 | } |
---|
604 | lists ssiReadList(si_link l) |
---|
605 | { |
---|
606 | ssiInfo *d=(ssiInfo*)l->data; |
---|
607 | int nr; |
---|
608 | SSI_BLOCK_CHLD; |
---|
609 | fscanf(d->f_read,"%d",&nr); |
---|
610 | SSI_UNBLOCK_CHLD; |
---|
611 | lists L=(lists)omAlloc(sizeof(*L)); |
---|
612 | L->Init(nr); |
---|
613 | |
---|
614 | int i; |
---|
615 | leftv v; |
---|
616 | for(i=0;i<nr;i++) |
---|
617 | { |
---|
618 | v=ssiRead1(l); |
---|
619 | memcpy(&(L->m[i]),v,sizeof(*v)); |
---|
620 | omFreeBin(v,sleftv_bin); |
---|
621 | } |
---|
622 | return L; |
---|
623 | } |
---|
624 | intvec* ssiReadIntvec(ssiInfo *d) |
---|
625 | { |
---|
626 | int nr; |
---|
627 | SSI_BLOCK_CHLD; |
---|
628 | fscanf(d->f_read,"%d",&nr); |
---|
629 | SSI_UNBLOCK_CHLD; |
---|
630 | intvec *v=new intvec(nr); |
---|
631 | SSI_BLOCK_CHLD; |
---|
632 | for(int i=0;i<nr;i++) |
---|
633 | { |
---|
634 | fscanf(d->f_read,"%d",&((*v)[i])); |
---|
635 | } |
---|
636 | SSI_UNBLOCK_CHLD; |
---|
637 | return v; |
---|
638 | } |
---|
639 | |
---|
640 | void ssiReadBlackbox(leftv res, si_link l) |
---|
641 | { |
---|
642 | ssiInfo *d=(ssiInfo*)l->data; |
---|
643 | int throwaway; |
---|
644 | SSI_BLOCK_CHLD; |
---|
645 | fscanf(d->f_read,"%d ",&throwaway); |
---|
646 | SSI_UNBLOCK_CHLD; |
---|
647 | char *name=ssiReadString(d); |
---|
648 | int tok; |
---|
649 | blackboxIsCmd(name,tok); |
---|
650 | if (tok>MAX_TOK) |
---|
651 | { |
---|
652 | blackbox *b=getBlackboxStuff(tok); |
---|
653 | res->rtyp=tok; |
---|
654 | b->blackbox_deserialize(&b,&(res->data),l); |
---|
655 | } |
---|
656 | else |
---|
657 | { |
---|
658 | Werror("blackbox %s not found",name); |
---|
659 | } |
---|
660 | } |
---|
661 | |
---|
662 | //**************************************************************************/ |
---|
663 | |
---|
664 | BOOLEAN ssiOpen(si_link l, short flag, leftv u) |
---|
665 | { |
---|
666 | if (l!=NULL) |
---|
667 | { |
---|
668 | const char *mode; |
---|
669 | ssiInfo *d=(ssiInfo*)omAlloc0(sizeof(ssiInfo)); |
---|
670 | sigprocmask(SIG_SETMASK, NULL, &ssi_sigmask); |
---|
671 | sigaddset(&ssi_sigmask, SIGCHLD); |
---|
672 | if (flag & SI_LINK_OPEN) |
---|
673 | { |
---|
674 | if (l->mode[0] != '\0' && (strcmp(l->mode, "r") == 0)) |
---|
675 | flag = SI_LINK_READ; |
---|
676 | else flag = SI_LINK_WRITE; |
---|
677 | } |
---|
678 | |
---|
679 | if (flag == SI_LINK_READ) mode = "r"; |
---|
680 | else if (strcmp(l->mode, "w") == 0) mode = "w"; |
---|
681 | else if (strcmp(l->mode, "fork") == 0) mode = "fork"; |
---|
682 | else if (strcmp(l->mode, "tcp") == 0) mode = "tcp"; |
---|
683 | else if (strcmp(l->mode, "connect") == 0) mode = "connect"; |
---|
684 | else mode = "a"; |
---|
685 | |
---|
686 | |
---|
687 | SI_LINK_SET_OPEN_P(l, flag); |
---|
688 | l->data=d; |
---|
689 | omFree(l->mode); |
---|
690 | l->mode = omStrDup(mode); |
---|
691 | |
---|
692 | if (l->name[0] == '\0') |
---|
693 | { |
---|
694 | if (strcmp(mode,"fork")==0) |
---|
695 | { |
---|
696 | link_list n=(link_list)omAlloc(sizeof(link_struct)); |
---|
697 | n->u=u; |
---|
698 | n->l=l; |
---|
699 | n->next=(void *)ssiToBeClosed; |
---|
700 | ssiToBeClosed=n; |
---|
701 | |
---|
702 | int pc[2]; |
---|
703 | int cp[2]; |
---|
704 | pipe(pc); |
---|
705 | pipe(cp); |
---|
706 | pid_t pid=fork(); |
---|
707 | if (pid==0) /*fork: child*/ |
---|
708 | { |
---|
709 | link_list hh=(link_list)ssiToBeClosed->next; |
---|
710 | /* we know: l is the first entry in ssiToBeClosed-list */ |
---|
711 | while(hh!=NULL) |
---|
712 | { |
---|
713 | ssiInfo *dd=(ssiInfo*)hh->l->data; |
---|
714 | fclose(dd->f_read); |
---|
715 | fclose(dd->f_write); |
---|
716 | if (dd->r!=NULL) rKill(dd->r); |
---|
717 | omFreeSize((ADDRESS)dd,(sizeof *dd)); |
---|
718 | hh->l->data=NULL; |
---|
719 | SI_LINK_SET_CLOSE_P(hh->l); |
---|
720 | link_list nn=(link_list)hh->next; |
---|
721 | omFree(hh); |
---|
722 | hh=nn; |
---|
723 | } |
---|
724 | ssiToBeClosed->next=NULL; |
---|
725 | close(pc[1]); close(cp[0]); |
---|
726 | d->f_read=fdopen(pc[0],"r"); |
---|
727 | d->fd_read=pc[0]; |
---|
728 | d->f_write=fdopen(cp[1],"w"); |
---|
729 | d->fd_write=cp[1]; |
---|
730 | l->data=d; |
---|
731 | omFree(l->mode); |
---|
732 | l->mode = omStrDup(mode); |
---|
733 | singular_in_batchmode=TRUE; |
---|
734 | SI_LINK_SET_RW_OPEN_P(l); |
---|
735 | //myynest=0; |
---|
736 | fe_fgets_stdin=fe_fgets_dummy; |
---|
737 | if ((u!=NULL)&&(u->rtyp==IDHDL)) |
---|
738 | { |
---|
739 | idhdl h=(idhdl)u->data; |
---|
740 | h->lev=0; |
---|
741 | } |
---|
742 | loop |
---|
743 | { |
---|
744 | leftv h=ssiRead1(l); /*contains an exit.... */ |
---|
745 | if (feErrors != NULL && *feErrors != '\0') |
---|
746 | { |
---|
747 | // handle errors: |
---|
748 | PrintS(feErrors); /* currently quite simple */ |
---|
749 | *feErrors = '\0'; |
---|
750 | } |
---|
751 | ssiWrite(l,h); |
---|
752 | h->CleanUp(); |
---|
753 | omFreeBin(h, sleftv_bin); |
---|
754 | } |
---|
755 | /* never reached*/ |
---|
756 | } |
---|
757 | else if (pid>0) /*fork: parent*/ |
---|
758 | { |
---|
759 | d->pid=pid; |
---|
760 | close(pc[0]); close(cp[1]); |
---|
761 | d->f_read=fdopen(cp[0],"r"); |
---|
762 | d->fd_read=cp[0]; |
---|
763 | d->f_write=fdopen(pc[1],"w"); |
---|
764 | d->fd_write=pc[1]; |
---|
765 | SI_LINK_SET_RW_OPEN_P(l); |
---|
766 | d->send_quit_at_exit=1; |
---|
767 | } |
---|
768 | else |
---|
769 | { |
---|
770 | Werror("fork failed (%d)",errno); |
---|
771 | l->data=NULL; |
---|
772 | omFree(d); |
---|
773 | return TRUE; |
---|
774 | } |
---|
775 | } |
---|
776 | // --------------------------------------------------------------------- |
---|
777 | else if (strcmp(mode,"tcp")==0) |
---|
778 | { |
---|
779 | int sockfd, newsockfd, portno, clilen; |
---|
780 | struct sockaddr_in serv_addr, cli_addr; |
---|
781 | int n; |
---|
782 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
783 | if(sockfd < 0) |
---|
784 | { |
---|
785 | WerrorS("ERROR opening socket"); |
---|
786 | l->data=NULL; |
---|
787 | omFree(d); |
---|
788 | return TRUE; |
---|
789 | } |
---|
790 | memset((char *) &serv_addr,0, sizeof(serv_addr)); |
---|
791 | portno = 1025; |
---|
792 | serv_addr.sin_family = AF_INET; |
---|
793 | serv_addr.sin_addr.s_addr = INADDR_ANY; |
---|
794 | do |
---|
795 | { |
---|
796 | portno++; |
---|
797 | serv_addr.sin_port = htons(portno); |
---|
798 | if(portno > 50000) |
---|
799 | { |
---|
800 | WerrorS("ERROR on binding (no free port available?)"); |
---|
801 | l->data=NULL; |
---|
802 | omFree(d); |
---|
803 | return TRUE; |
---|
804 | } |
---|
805 | } |
---|
806 | while(bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0); |
---|
807 | Print("waiting on port %d\n", portno);mflush(); |
---|
808 | listen(sockfd,5); |
---|
809 | newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, (socklen_t *)&clilen); |
---|
810 | if(newsockfd < 0) |
---|
811 | { |
---|
812 | WerrorS("ERROR on accept"); |
---|
813 | l->data=NULL; |
---|
814 | omFree(d); |
---|
815 | return TRUE; |
---|
816 | } |
---|
817 | PrintS("client accepted\n"); |
---|
818 | d->fd_read = newsockfd; |
---|
819 | d->fd_write = newsockfd; |
---|
820 | d->f_read = fdopen(newsockfd, "r"); |
---|
821 | d->f_write = fdopen(newsockfd, "w"); |
---|
822 | SI_LINK_SET_RW_OPEN_P(l); |
---|
823 | close(sockfd); |
---|
824 | } |
---|
825 | // no ssi-Link on stdin or stdout |
---|
826 | else |
---|
827 | { |
---|
828 | Werror("invalid mode >>%s<< for ssi",mode); |
---|
829 | l->data=NULL; |
---|
830 | omFree(d); |
---|
831 | return TRUE; |
---|
832 | } |
---|
833 | } |
---|
834 | // ========================================================================= |
---|
835 | else /*l->name=NULL*/ |
---|
836 | { |
---|
837 | // tcp mode |
---|
838 | if(strcmp(mode,"tcp")==0) |
---|
839 | { |
---|
840 | int sockfd, newsockfd, portno, clilen; |
---|
841 | struct sockaddr_in serv_addr, cli_addr; |
---|
842 | int n; |
---|
843 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
844 | if(sockfd < 0) |
---|
845 | { |
---|
846 | WerrorS("ERROR opening socket"); |
---|
847 | l->data=NULL; |
---|
848 | omFree(d); |
---|
849 | return TRUE; |
---|
850 | } |
---|
851 | memset((char *) &serv_addr,0, sizeof(serv_addr)); |
---|
852 | portno = 1025; |
---|
853 | serv_addr.sin_family = AF_INET; |
---|
854 | serv_addr.sin_addr.s_addr = INADDR_ANY; |
---|
855 | do |
---|
856 | { |
---|
857 | portno++; |
---|
858 | serv_addr.sin_port = htons(portno); |
---|
859 | if(portno > 50000) |
---|
860 | { |
---|
861 | WerrorS("ERROR on binding (no free port available?)"); |
---|
862 | l->data=NULL; |
---|
863 | return TRUE; |
---|
864 | } |
---|
865 | } |
---|
866 | while(bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0); |
---|
867 | //Print("waiting on port %d\n", portno);mflush(); |
---|
868 | listen(sockfd,5); |
---|
869 | char* cli_host = (char*)omAlloc(256); |
---|
870 | char* path = (char*)omAlloc(1024); |
---|
871 | int r = sscanf(l->name,"%255[^:]:%s",cli_host,path); |
---|
872 | if(r == 0) |
---|
873 | { |
---|
874 | WerrorS("ERROR: no host specified"); |
---|
875 | l->data=NULL; |
---|
876 | omFree(d); |
---|
877 | omFree(path); |
---|
878 | omFree(cli_host); |
---|
879 | return TRUE; |
---|
880 | } |
---|
881 | else if(r == 1) |
---|
882 | { |
---|
883 | WarnS("program not specified, using /usr/local/bin/Singular"); |
---|
884 | strcpy(path,"/usr/local/bin/Singular"); |
---|
885 | } |
---|
886 | char* ssh_command = (char*)omAlloc(256); |
---|
887 | char* ser_host = (char*)omAlloc(64); |
---|
888 | gethostname(ser_host,64); |
---|
889 | sprintf(ssh_command,"ssh %s %s -q --batch --link=ssi --MPhost=%s --MPport=%d &",cli_host,path,ser_host,portno); |
---|
890 | //Print("client on %s started:%s\n",cli_host,path); |
---|
891 | omFree(path); |
---|
892 | omFree(cli_host); |
---|
893 | if (TEST_OPT_PROT) { Print("running >>%s<<\n",ssh_command); } |
---|
894 | system(ssh_command); |
---|
895 | omFree(ssh_command); |
---|
896 | omFree(ser_host); |
---|
897 | clilen = sizeof(cli_addr); |
---|
898 | newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, (socklen_t *)&clilen); |
---|
899 | if(newsockfd < 0) |
---|
900 | { |
---|
901 | WerrorS("ERROR on accept"); |
---|
902 | l->data=NULL; |
---|
903 | omFree(d); |
---|
904 | return TRUE; |
---|
905 | } |
---|
906 | //PrintS("client accepted\n"); |
---|
907 | d->fd_read = newsockfd; |
---|
908 | d->fd_write = newsockfd; |
---|
909 | d->f_read = fdopen(newsockfd, "r"); |
---|
910 | d->f_write = fdopen(newsockfd, "w"); |
---|
911 | SI_LINK_SET_RW_OPEN_P(l); |
---|
912 | d->send_quit_at_exit=1; |
---|
913 | close(sockfd); |
---|
914 | fprintf(d->f_write,"98 %d %d %u %u\n",SSI_VERSION,MAX_TOK,test,verbose); |
---|
915 | } |
---|
916 | // ---------------------------------------------------------------------- |
---|
917 | else if(strcmp(mode,"connect")==0) |
---|
918 | { |
---|
919 | char* host = (char*)omAlloc(256); |
---|
920 | int sockfd, portno, n; |
---|
921 | struct sockaddr_in serv_addr; |
---|
922 | struct hostent *server; |
---|
923 | |
---|
924 | sscanf(l->name,"%255[^:]:%d",host,&portno); |
---|
925 | //Print("connect to host %s, port %d\n",host,portno);mflush(); |
---|
926 | if (portno!=0) |
---|
927 | { |
---|
928 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
929 | if (sockfd < 0) { WerrorS("ERROR opening socket"); return TRUE; } |
---|
930 | server = gethostbyname(host); |
---|
931 | if (server == NULL) { WerrorS("ERROR, no such host"); return TRUE; } |
---|
932 | memset((char *) &serv_addr, 0, sizeof(serv_addr)); |
---|
933 | serv_addr.sin_family = AF_INET; |
---|
934 | memcpy((char *)&serv_addr.sin_addr.s_addr, |
---|
935 | (char *)server->h_addr, |
---|
936 | server->h_length); |
---|
937 | serv_addr.sin_port = htons(portno); |
---|
938 | if (connect(sockfd,(sockaddr*)&serv_addr,sizeof(serv_addr)) < 0) |
---|
939 | { Werror("ERROR connecting(errno=%d)",errno); return TRUE; } |
---|
940 | //PrintS("connected\n");mflush(); |
---|
941 | d->f_read=fdopen(sockfd,"r"); |
---|
942 | d->fd_read=sockfd; |
---|
943 | d->f_write=fdopen(sockfd,"w"); |
---|
944 | d->fd_write=sockfd; |
---|
945 | SI_LINK_SET_RW_OPEN_P(l); |
---|
946 | d->send_quit_at_exit=1; |
---|
947 | omFree(host); |
---|
948 | } |
---|
949 | else |
---|
950 | { |
---|
951 | l->data=NULL; |
---|
952 | omFree(d); |
---|
953 | return TRUE; |
---|
954 | } |
---|
955 | } |
---|
956 | // ====================================================================== |
---|
957 | else |
---|
958 | { |
---|
959 | // normal link to a file |
---|
960 | FILE *outfile; |
---|
961 | char *filename=l->name; |
---|
962 | |
---|
963 | if(filename[0]=='>') |
---|
964 | { |
---|
965 | if (filename[1]=='>') |
---|
966 | { |
---|
967 | filename+=2; |
---|
968 | mode = "a"; |
---|
969 | } |
---|
970 | else |
---|
971 | { |
---|
972 | filename++; |
---|
973 | mode="w"; |
---|
974 | } |
---|
975 | } |
---|
976 | outfile=myfopen(filename,mode); |
---|
977 | if (outfile!=NULL) |
---|
978 | { |
---|
979 | if (strcmp(l->mode,"r")==0) d->f_read = outfile; |
---|
980 | else |
---|
981 | { |
---|
982 | d->f_write = outfile; |
---|
983 | fprintf(d->f_write,"98 %d %d %u %u\n",SSI_VERSION,MAX_TOK,test,verbose); |
---|
984 | } |
---|
985 | } |
---|
986 | else |
---|
987 | { |
---|
988 | omFree(d); |
---|
989 | l->data=NULL; |
---|
990 | return TRUE; |
---|
991 | } |
---|
992 | } |
---|
993 | } |
---|
994 | } |
---|
995 | |
---|
996 | return FALSE; |
---|
997 | } |
---|
998 | |
---|
999 | //**************************************************************************/ |
---|
1000 | BOOLEAN ssiClose(si_link l) |
---|
1001 | { |
---|
1002 | if (l!=NULL) |
---|
1003 | { |
---|
1004 | ssiInfo *d = (ssiInfo *)l->data; |
---|
1005 | if (d!=NULL) |
---|
1006 | { |
---|
1007 | if (d->r!=NULL) rKill(d->r); |
---|
1008 | if ((strcmp(l->mode,"tcp")==0) |
---|
1009 | || (strcmp(l->mode,"fork")==0)) |
---|
1010 | { |
---|
1011 | link_list hh=ssiToBeClosed; |
---|
1012 | if (hh!=NULL) |
---|
1013 | { |
---|
1014 | if (hh->l==l) |
---|
1015 | { |
---|
1016 | ssiToBeClosed=(link_list)hh->next; |
---|
1017 | omFreeSize(hh,sizeof(link_struct)); |
---|
1018 | } |
---|
1019 | else while(hh!=NULL) |
---|
1020 | { |
---|
1021 | link_list hhh=(link_list)hh->next; |
---|
1022 | if (hhh->l==l) |
---|
1023 | { |
---|
1024 | hh->next=hhh->next; |
---|
1025 | omFreeSize(hhh,sizeof(link_struct)); |
---|
1026 | break; |
---|
1027 | } |
---|
1028 | hh=(link_list)hh->next; |
---|
1029 | } |
---|
1030 | } |
---|
1031 | if (d->send_quit_at_exit) |
---|
1032 | { |
---|
1033 | fputs("99\n",d->f_write);fflush(d->f_write); |
---|
1034 | } |
---|
1035 | } |
---|
1036 | if (d->f_read!=NULL) fclose(d->f_read); |
---|
1037 | if (d->f_write!=NULL) fclose(d->f_write); |
---|
1038 | if (d->pid!=0) |
---|
1039 | { |
---|
1040 | kill(d->pid,15); |
---|
1041 | waitpid(d->pid,NULL,WNOHANG); |
---|
1042 | kill(d->pid,9); // just to be sure |
---|
1043 | waitpid(d->pid,NULL,0); |
---|
1044 | } |
---|
1045 | omFreeSize((ADDRESS)d,(sizeof *d)); |
---|
1046 | } |
---|
1047 | l->data=NULL; |
---|
1048 | SI_LINK_SET_CLOSE_P(l); |
---|
1049 | } |
---|
1050 | return FALSE; |
---|
1051 | } |
---|
1052 | |
---|
1053 | //**************************************************************************/ |
---|
1054 | leftv ssiRead1(si_link l) |
---|
1055 | { |
---|
1056 | ssiInfo *d = (ssiInfo *)l->data; |
---|
1057 | d->ungetc_buf='\0'; |
---|
1058 | leftv res=(leftv)omAlloc0(sizeof(sleftv)); |
---|
1059 | int t=0; |
---|
1060 | SSI_BLOCK_CHLD; |
---|
1061 | fscanf(d->f_read,"%d",&t); |
---|
1062 | SSI_UNBLOCK_CHLD; |
---|
1063 | //Print("got type %d\n",t); |
---|
1064 | switch(t) |
---|
1065 | { |
---|
1066 | case 1:res->rtyp=INT_CMD; |
---|
1067 | res->data=(char *)ssiReadInt(d->f_read); |
---|
1068 | break; |
---|
1069 | case 2:res->rtyp=STRING_CMD; |
---|
1070 | res->data=(char *)ssiReadString(d); |
---|
1071 | break; |
---|
1072 | case 3:res->rtyp=NUMBER_CMD; |
---|
1073 | res->data=(char *)ssiReadNumber(d); |
---|
1074 | break; |
---|
1075 | case 4:res->rtyp=BIGINT_CMD; |
---|
1076 | res->data=(char *)ssiReadBigInt(d); |
---|
1077 | break; |
---|
1078 | case 15: |
---|
1079 | case 5:{ |
---|
1080 | d->r=ssiReadRing(d); |
---|
1081 | d->r->ref++; |
---|
1082 | res->rtyp=RING_CMD; |
---|
1083 | res->data=(char*)d->r; |
---|
1084 | // we are in the top-level, so set the basering to d->r: |
---|
1085 | ssiSetCurrRing(d->r); |
---|
1086 | if (t==15) return ssiRead1(l); |
---|
1087 | } |
---|
1088 | break; |
---|
1089 | case 6:res->rtyp=POLY_CMD; |
---|
1090 | if (d->r==NULL) goto no_ring; |
---|
1091 | res->data=(char*)ssiReadPoly(d); |
---|
1092 | break; |
---|
1093 | case 7:res->rtyp=IDEAL_CMD; |
---|
1094 | if (d->r==NULL) goto no_ring; |
---|
1095 | res->data=(char*)ssiReadIdeal(d); |
---|
1096 | break; |
---|
1097 | case 8:res->rtyp=MATRIX_CMD; |
---|
1098 | if (d->r==NULL) goto no_ring; |
---|
1099 | res->data=(char*)ssiReadMatrix(d); |
---|
1100 | break; |
---|
1101 | case 9:res->rtyp=VECTOR_CMD; |
---|
1102 | if (d->r==NULL) goto no_ring; |
---|
1103 | res->data=(char*)ssiReadPoly(d); |
---|
1104 | break; |
---|
1105 | case 10:res->rtyp=MODUL_CMD; |
---|
1106 | if (d->r==NULL) goto no_ring; |
---|
1107 | res->data=(char*)ssiReadIdeal(d); |
---|
1108 | break; |
---|
1109 | case 11: |
---|
1110 | { |
---|
1111 | res->rtyp=COMMAND; |
---|
1112 | res->data=ssiReadCommand(l); |
---|
1113 | int nok=res->Eval(); |
---|
1114 | if (nok) WerrorS("error in eval"); |
---|
1115 | break; |
---|
1116 | } |
---|
1117 | case 12: /*DEF_CMD*/ |
---|
1118 | { |
---|
1119 | res->rtyp=0; |
---|
1120 | res->name=(char *)ssiReadString(d); |
---|
1121 | int nok=res->Eval(); |
---|
1122 | if (nok) WerrorS("error in name lookup"); |
---|
1123 | break; |
---|
1124 | } |
---|
1125 | case 13: res->rtyp=PROC_CMD; |
---|
1126 | res->data=ssiReadProc(d); |
---|
1127 | break; |
---|
1128 | case 14: res->rtyp=LIST_CMD; |
---|
1129 | res->data=ssiReadList(l); |
---|
1130 | break; |
---|
1131 | case 16: res->rtyp=NONE; res->data=NULL; |
---|
1132 | break; |
---|
1133 | case 17: res->rtyp=INTVEC_CMD; |
---|
1134 | res->data=ssiReadIntvec(d); |
---|
1135 | break; |
---|
1136 | case 20: ssiReadBlackbox(res,l); |
---|
1137 | break; |
---|
1138 | // ------------ |
---|
1139 | case 98: // version |
---|
1140 | { |
---|
1141 | int n98_v,n98_m; |
---|
1142 | BITSET n98_o1,n98_o2; |
---|
1143 | SSI_BLOCK_CHLD; |
---|
1144 | fscanf(d->f_read,"%d %d %u %u\n",&n98_v,&n98_m,&n98_o1,&n98_o2); |
---|
1145 | SSI_UNBLOCK_CHLD; |
---|
1146 | if ((n98_v!=SSI_VERSION) ||(n98_m!=MAX_TOK)) |
---|
1147 | { |
---|
1148 | Print("incompatible versions of ssi: %d/%d vs %d/%d", |
---|
1149 | SSI_VERSION,MAX_TOK,n98_v,n98_m); |
---|
1150 | } |
---|
1151 | #ifndef NDEBUG |
---|
1152 | if (TEST_OPT_DEBUG) |
---|
1153 | Print("// opening ssi-%d, MAX_TOK=%d\n",n98_v,n98_m); |
---|
1154 | #endif |
---|
1155 | test=n98_o1; |
---|
1156 | verbose=n98_o2; |
---|
1157 | return ssiRead1(l); |
---|
1158 | } |
---|
1159 | case 99: ssiClose(l); exit(0); |
---|
1160 | case 0: if (feof(d->f_read)) |
---|
1161 | { |
---|
1162 | ssiClose(l); |
---|
1163 | res->rtyp=DEF_CMD; |
---|
1164 | break; |
---|
1165 | } |
---|
1166 | default: Werror("not implemented (t:%d)",t); |
---|
1167 | omFreeSize(res,sizeof(sleftv)); |
---|
1168 | res=NULL; |
---|
1169 | break; |
---|
1170 | } |
---|
1171 | return res; |
---|
1172 | no_ring: WerrorS("no ring"); |
---|
1173 | omFreeSize(res,sizeof(sleftv)); |
---|
1174 | return NULL; |
---|
1175 | } |
---|
1176 | //**************************************************************************/ |
---|
1177 | BOOLEAN ssiWrite(si_link l, leftv data) |
---|
1178 | { |
---|
1179 | if(SI_LINK_W_OPEN_P(l)==0) |
---|
1180 | if (slOpen(l,SI_LINK_OPEN|SI_LINK_WRITE,NULL)) return TRUE; |
---|
1181 | ssiInfo *d = (ssiInfo *)l->data; |
---|
1182 | d->level++; |
---|
1183 | //FILE *fich=d->f; |
---|
1184 | while (data!=NULL) |
---|
1185 | { |
---|
1186 | int tt=data->Typ(); |
---|
1187 | void *dd=data->Data(); |
---|
1188 | |
---|
1189 | switch(tt /*data->Typ()*/) |
---|
1190 | { |
---|
1191 | case NONE/* nothing*/:fputs("16 ",d->f_write); |
---|
1192 | break; |
---|
1193 | case STRING_CMD: fputs("2 ",d->f_write); |
---|
1194 | ssiWriteString(d,(char *)dd); |
---|
1195 | break; |
---|
1196 | case INT_CMD: fputs("1 ",d->f_write); |
---|
1197 | ssiWriteInt(d,(int)(long)dd); |
---|
1198 | break; |
---|
1199 | case BIGINT_CMD:fputs("4 ",d->f_write); |
---|
1200 | ssiWriteBigInt(d,(number)dd); |
---|
1201 | break; |
---|
1202 | case NUMBER_CMD: |
---|
1203 | if (d->r!=currRing) |
---|
1204 | { |
---|
1205 | fputs("15 ",d->f_write); |
---|
1206 | ssiWriteRing(d,currRing); |
---|
1207 | if (d->level<=1) fputc('\n',d->f_write); |
---|
1208 | } |
---|
1209 | fputs("3 ",d->f_write); |
---|
1210 | ssiWriteNumber(d,(number)dd); |
---|
1211 | break; |
---|
1212 | case RING_CMD:fputs("5 ",d->f_write); |
---|
1213 | ssiWriteRing(d,(ring)dd); |
---|
1214 | break; |
---|
1215 | case POLY_CMD: |
---|
1216 | case VECTOR_CMD: |
---|
1217 | if (d->r!=currRing) |
---|
1218 | { |
---|
1219 | fputs("15 ",d->f_write); |
---|
1220 | ssiWriteRing(d,currRing); |
---|
1221 | if (d->level<=1) fputc('\n',d->f_write); |
---|
1222 | } |
---|
1223 | if(tt==POLY_CMD) fputs("6 ",d->f_write); |
---|
1224 | else fputs("9 ",d->f_write); |
---|
1225 | ssiWritePoly(d,tt,(poly)dd); |
---|
1226 | break; |
---|
1227 | case IDEAL_CMD: |
---|
1228 | case MODUL_CMD: |
---|
1229 | case MATRIX_CMD: |
---|
1230 | if (d->r!=currRing) |
---|
1231 | { |
---|
1232 | fputs("15 ",d->f_write); |
---|
1233 | ssiWriteRing(d,currRing); |
---|
1234 | if (d->level<=1) fputc('\n',d->f_write); |
---|
1235 | } |
---|
1236 | if(tt==IDEAL_CMD) fputs("7 ",d->f_write); |
---|
1237 | else if(tt==MATRIX_CMD) fputs("8 ",d->f_write); |
---|
1238 | else fputs("10 ",d->f_write); |
---|
1239 | ssiWriteIdeal(d,tt,(ideal)dd); |
---|
1240 | break; |
---|
1241 | case COMMAND: |
---|
1242 | fputs("11 ",d->f_write); |
---|
1243 | ssiWriteCommand(l,(command)dd); |
---|
1244 | break; |
---|
1245 | case DEF_CMD: /* not evaluated stuff in quotes */ |
---|
1246 | fputs("12 ",d->f_write); |
---|
1247 | ssiWriteString(d,data->Name()); |
---|
1248 | break; |
---|
1249 | case PROC_CMD: |
---|
1250 | fputs("13 ",d->f_write); |
---|
1251 | ssiWriteProc(d,(procinfov)dd); |
---|
1252 | break; |
---|
1253 | case LIST_CMD: |
---|
1254 | fputs("14 ",d->f_write); |
---|
1255 | ssiWriteList(l,(lists)dd); |
---|
1256 | break; |
---|
1257 | case INTVEC_CMD: |
---|
1258 | fputs("17 ",d->f_write); |
---|
1259 | ssiWriteIntvec(d,(intvec *)dd); |
---|
1260 | break; |
---|
1261 | default: |
---|
1262 | if (tt>MAX_TOK) |
---|
1263 | { |
---|
1264 | blackbox *b=getBlackboxStuff(tt); |
---|
1265 | fputs("20 ",d->f_write); |
---|
1266 | b->blackbox_serialize(b,dd,l); |
---|
1267 | } |
---|
1268 | else |
---|
1269 | { |
---|
1270 | Werror("not implemented (t:%d, rtyp:%d)",tt, data->rtyp); |
---|
1271 | d->level=0; |
---|
1272 | return TRUE; |
---|
1273 | } |
---|
1274 | break; |
---|
1275 | } |
---|
1276 | if (d->level<=1) { fputc('\n',d->f_write); fflush(d->f_write); } |
---|
1277 | data=data->next; |
---|
1278 | } |
---|
1279 | d->level--; |
---|
1280 | return FALSE; |
---|
1281 | } |
---|
1282 | |
---|
1283 | si_link_extension slInitSsiExtension(si_link_extension s) |
---|
1284 | { |
---|
1285 | s->Open=ssiOpen; |
---|
1286 | s->Close=ssiClose; |
---|
1287 | s->Kill=ssiClose; |
---|
1288 | s->Read=ssiRead1; |
---|
1289 | s->Read2=(slRead2Proc)NULL; |
---|
1290 | s->Write=ssiWrite; |
---|
1291 | |
---|
1292 | s->Status=slStatusSsi; |
---|
1293 | s->type="ssi"; |
---|
1294 | return s; |
---|
1295 | } |
---|
1296 | |
---|
1297 | const char* slStatusSsi(si_link l, const char* request) |
---|
1298 | { |
---|
1299 | ssiInfo *d=(ssiInfo*)l->data; |
---|
1300 | if (d==NULL) return "not open"; |
---|
1301 | if (((strcmp(l->mode,"fork")==0)||(strcmp(l->mode,"tcp")==0)) |
---|
1302 | && (strcmp(request, "read") == 0)) |
---|
1303 | { |
---|
1304 | fd_set mask, fdmask; |
---|
1305 | struct timeval wt; |
---|
1306 | if (d->ungetc_buf) return "ready"; |
---|
1307 | loop |
---|
1308 | { |
---|
1309 | /* Don't block. Return socket status immediately. */ |
---|
1310 | wt.tv_sec = 0; |
---|
1311 | wt.tv_usec = 0; |
---|
1312 | |
---|
1313 | FD_ZERO(&mask); |
---|
1314 | FD_SET(d->fd_read, &mask); |
---|
1315 | //Print("test fd %d\n",d->fd_read); |
---|
1316 | /* check with select: chars waiting: no -> not ready */ |
---|
1317 | switch (select(d->fd_read+1, &mask, NULL, NULL, &wt)) |
---|
1318 | { |
---|
1319 | case 0: /* not ready */ return "not ready"; |
---|
1320 | case -1: /*error*/ return "error"; |
---|
1321 | case 1: /*ready ? */ break; |
---|
1322 | } |
---|
1323 | /* yes: read 1 char*/ |
---|
1324 | /* if \n, check again with select else ungetc(c), ready*/ |
---|
1325 | int c=fgetc(d->f_read); |
---|
1326 | //Print("try c=%d\n",c); |
---|
1327 | if (c== -1) return "eof"; /* eof or error */ |
---|
1328 | else if (isdigit(c)) |
---|
1329 | { ungetc(c,d->f_read); d->ungetc_buf='\1'; return "ready"; } |
---|
1330 | else if (c>' ') |
---|
1331 | { |
---|
1332 | Werror("unknown char in ssiLink(%d)",c); |
---|
1333 | return "error"; |
---|
1334 | } |
---|
1335 | /* else: next char */ |
---|
1336 | } |
---|
1337 | } |
---|
1338 | else if (strcmp(request, "read") == 0) |
---|
1339 | { |
---|
1340 | if (SI_LINK_R_OPEN_P(l) && (!feof(d->f_read))) return "ready"; |
---|
1341 | else return "not ready"; |
---|
1342 | } |
---|
1343 | else if (strcmp(request, "write") == 0) |
---|
1344 | { |
---|
1345 | if (SI_LINK_W_OPEN_P(l)) return "ready"; |
---|
1346 | else return "not ready"; |
---|
1347 | } |
---|
1348 | else return "unknown status request"; |
---|
1349 | } |
---|
1350 | |
---|
1351 | int slStatusSsiL(lists L, int timeout) |
---|
1352 | { |
---|
1353 | // input: L: a list with links of type |
---|
1354 | // ssi-fork, ssi-tcp, MPtcp-fork or MPtcp-launch. |
---|
1355 | // Note: Not every entry in L must be set. |
---|
1356 | // timeout: timeout for select in micro-seconds |
---|
1357 | // or -1 for infinity |
---|
1358 | // or 0 for polling |
---|
1359 | // returns: ERROR (via Werror): L has wrong elements or link not open |
---|
1360 | // -2: select returns an error |
---|
1361 | // -1: the read state of all links is eof |
---|
1362 | // 0: timeout (or polling): none ready, |
---|
1363 | // i>0: (at least) L[i] is ready |
---|
1364 | si_link l; |
---|
1365 | ssiInfo *d; |
---|
1366 | #ifdef HAVE_MPSR |
---|
1367 | MP_Link_pt dd; |
---|
1368 | #endif |
---|
1369 | int d_fd; |
---|
1370 | fd_set mask, fdmask; |
---|
1371 | FD_ZERO(&fdmask); |
---|
1372 | FD_ZERO(&mask); |
---|
1373 | int max_fd=0; /* 1 + max fd in fd_set */ |
---|
1374 | |
---|
1375 | /* timeout */ |
---|
1376 | #ifdef HAVE_PSELECT |
---|
1377 | struct timespec wt; |
---|
1378 | struct timespec *wt_ptr=&wt; |
---|
1379 | #else |
---|
1380 | struct timeval wt; |
---|
1381 | struct timeval *wt_ptr=&wt; |
---|
1382 | #endif |
---|
1383 | int startingtime = getRTimer()/TIMER_RESOLUTION; // in seconds |
---|
1384 | if (timeout== -1) |
---|
1385 | { |
---|
1386 | wt_ptr=NULL; |
---|
1387 | } |
---|
1388 | else |
---|
1389 | { |
---|
1390 | wt.tv_sec = timeout / 1000000; |
---|
1391 | #ifdef HAVE_PSELECT |
---|
1392 | wt.tv_nsec = 1000 * (timeout % 1000000); |
---|
1393 | #else |
---|
1394 | wt.tv_usec = timeout % 1000000; |
---|
1395 | #endif |
---|
1396 | } |
---|
1397 | |
---|
1398 | /* signal mask for pselect() */ |
---|
1399 | sigset_t sigmask; |
---|
1400 | if(sigprocmask(SIG_SETMASK, NULL, &sigmask) < 0) |
---|
1401 | { |
---|
1402 | WerrorS("error in sigprocmask()"); |
---|
1403 | return -2; |
---|
1404 | } |
---|
1405 | if(sigaddset(&sigmask, SIGCHLD) < 0) |
---|
1406 | { |
---|
1407 | WerrorS("error in sigaddset()"); |
---|
1408 | return -2; |
---|
1409 | } |
---|
1410 | |
---|
1411 | /* auxiliary variables */ |
---|
1412 | int i; |
---|
1413 | int j; |
---|
1414 | int k; |
---|
1415 | int s; |
---|
1416 | char fdmaskempty; |
---|
1417 | |
---|
1418 | /* check the links and fill in fdmask */ |
---|
1419 | for(i=L->nr; i>=0; i--) |
---|
1420 | { |
---|
1421 | if (L->m[i].Typ()!=DEF_CMD) |
---|
1422 | { |
---|
1423 | if (L->m[i].Typ()!=LINK_CMD) |
---|
1424 | { WerrorS("all elements must be of type link"); return -2;} |
---|
1425 | l=(si_link)L->m[i].Data(); |
---|
1426 | if(SI_LINK_OPEN_P(l)==0) |
---|
1427 | { WerrorS("all links must be open"); return -2;} |
---|
1428 | if (((strcmp(l->m->type,"ssi")!=0) && (strcmp(l->m->type,"MPtcp")!=0)) |
---|
1429 | || ((strcmp(l->mode,"fork")!=0) && (strcmp(l->mode,"tcp")!=0) |
---|
1430 | && (strcmp(l->mode,"launch")!=0))) |
---|
1431 | { |
---|
1432 | WerrorS("all links must be of type ssi:fork, ssi:tcp, MPtcp:fork\n"); |
---|
1433 | WerrorS("or MPtcp:launch"); |
---|
1434 | return -2; |
---|
1435 | } |
---|
1436 | #ifdef HAVE_MPSR |
---|
1437 | if (strcmp(l->m->type,"ssi")==0) |
---|
1438 | { |
---|
1439 | d=(ssiInfo*)l->data; |
---|
1440 | d_fd=d->fd_read; |
---|
1441 | } |
---|
1442 | else |
---|
1443 | { |
---|
1444 | dd=(MP_Link_pt)l->data; |
---|
1445 | d_fd=((MP_TCP_t *)dd->transp.private1)->sock; |
---|
1446 | } |
---|
1447 | #else |
---|
1448 | d=(ssiInfo*)l->data; |
---|
1449 | d_fd=d->fd_read; |
---|
1450 | #endif |
---|
1451 | FD_SET(d_fd, &fdmask); |
---|
1452 | if (d_fd > max_fd) max_fd=d_fd; |
---|
1453 | } |
---|
1454 | } |
---|
1455 | max_fd++; |
---|
1456 | |
---|
1457 | do_select: |
---|
1458 | /* copy fdmask to mask */ |
---|
1459 | FD_ZERO(&mask); |
---|
1460 | for(k = 0; k < max_fd; k++) |
---|
1461 | { |
---|
1462 | if(FD_ISSET(k, &fdmask)) |
---|
1463 | { |
---|
1464 | FD_SET(k, &mask); |
---|
1465 | } |
---|
1466 | } |
---|
1467 | |
---|
1468 | /* check with select: chars waiting: no -> not ready */ |
---|
1469 | #ifdef HAVE_PSELECT |
---|
1470 | s = pselect(max_fd, &mask, NULL, NULL, wt_ptr, &sigmask); |
---|
1471 | #else |
---|
1472 | SSI_BLOCK_CHLD; |
---|
1473 | s = select(max_fd, &mask, NULL, NULL, wt_ptr); |
---|
1474 | SSI_UNBLOCK_CHLD; |
---|
1475 | #endif |
---|
1476 | |
---|
1477 | if (s==-1) |
---|
1478 | { |
---|
1479 | WerrorS("error in select call"); |
---|
1480 | return -2; /*error*/ |
---|
1481 | } |
---|
1482 | if (s==0) |
---|
1483 | { |
---|
1484 | return 0; /*poll: not ready */ |
---|
1485 | } |
---|
1486 | else /* s>0, at least one ready (the number of fd which are ready is s)*/ |
---|
1487 | { |
---|
1488 | j=0; |
---|
1489 | while (j<=max_fd) { if (FD_ISSET(j,&mask)) break; j++; } |
---|
1490 | for(i=L->nr; i>=0; i--) |
---|
1491 | { |
---|
1492 | if (L->m[i].rtyp==LINK_CMD) |
---|
1493 | { |
---|
1494 | l=(si_link)L->m[i].Data(); |
---|
1495 | #ifdef HAVE_MPSR |
---|
1496 | if (strcmp(l->m->type,"ssi")!=0) |
---|
1497 | { |
---|
1498 | // for MP links, return here: |
---|
1499 | dd=(MP_Link_pt)l->data; |
---|
1500 | d_fd=((MP_TCP_t *)dd->transp.private1)->sock; |
---|
1501 | if(j==d_fd) return i+1; |
---|
1502 | } |
---|
1503 | else |
---|
1504 | { |
---|
1505 | d=(ssiInfo*)l->data; |
---|
1506 | d_fd=d->fd_read; |
---|
1507 | if(j==d_fd) break; |
---|
1508 | } |
---|
1509 | #else |
---|
1510 | d=(ssiInfo*)l->data; |
---|
1511 | d_fd=d->fd_read; |
---|
1512 | if(j==d_fd) break; |
---|
1513 | #endif |
---|
1514 | } |
---|
1515 | } |
---|
1516 | // only ssi links: |
---|
1517 | if (d->ungetc_buf) return i+1; |
---|
1518 | loop |
---|
1519 | { |
---|
1520 | /* yes: read 1 char*/ |
---|
1521 | /* if \n, check again with select else ungetc(c), ready*/ |
---|
1522 | /* setting: d: current ssiInfo, j current fd, i current entry in L*/ |
---|
1523 | int c=fgetc(d->f_read); |
---|
1524 | //Print("try c=%d\n",c); |
---|
1525 | if (c== -1) /* eof */ |
---|
1526 | { |
---|
1527 | FD_CLR(j,&fdmask); |
---|
1528 | fdmaskempty = 1; |
---|
1529 | for(k = 0; k < max_fd; k++) |
---|
1530 | { |
---|
1531 | if(FD_ISSET(k, &fdmask)) |
---|
1532 | { |
---|
1533 | fdmaskempty = 0; |
---|
1534 | break; |
---|
1535 | } |
---|
1536 | } |
---|
1537 | if(fdmaskempty) |
---|
1538 | { |
---|
1539 | return -1; |
---|
1540 | } |
---|
1541 | if(timeout != -1) |
---|
1542 | { |
---|
1543 | timeout = si_max(0, |
---|
1544 | timeout - 1000000*(getRTimer()/TIMER_RESOLUTION - startingtime)); |
---|
1545 | wt.tv_sec = timeout / 1000000; |
---|
1546 | #ifdef HAVE_PSELECT |
---|
1547 | wt.tv_nsec = 1000 * (timeout % 1000000); |
---|
1548 | #else |
---|
1549 | wt.tv_usec = (timeout % 1000000); |
---|
1550 | #endif |
---|
1551 | } |
---|
1552 | goto do_select; |
---|
1553 | } |
---|
1554 | |
---|
1555 | else if (isdigit(c)) |
---|
1556 | { ungetc(c,d->f_read); d->ungetc_buf='\1'; return i+1; } |
---|
1557 | else if (c>' ') |
---|
1558 | { |
---|
1559 | Werror("unknown char in ssiLink(%d)",c); |
---|
1560 | return -2; |
---|
1561 | } |
---|
1562 | /* else: next char */ |
---|
1563 | } |
---|
1564 | } |
---|
1565 | } |
---|
1566 | |
---|
1567 | int ssiBatch(const char *host, const char * port) |
---|
1568 | /* return 0 on success, >0 else*/ |
---|
1569 | { |
---|
1570 | si_link l=(si_link) omAlloc0Bin(sip_link_bin); |
---|
1571 | char *buf=(char*)omAlloc(256); |
---|
1572 | sprintf(buf,"ssi:connect %s:%s",host,port); |
---|
1573 | slInit(l, buf); |
---|
1574 | if (slOpen(l,SI_LINK_OPEN,NULL)) return 1; |
---|
1575 | SI_LINK_SET_RW_OPEN_P(l); |
---|
1576 | |
---|
1577 | idhdl id = enterid(omStrDup("link_ll"), 0, LINK_CMD, &IDROOT, FALSE); |
---|
1578 | IDLINK(id) = l; |
---|
1579 | |
---|
1580 | loop |
---|
1581 | { |
---|
1582 | leftv h=ssiRead1(l); /*contains an exit.... */ |
---|
1583 | if (feErrors != NULL && *feErrors != '\0') |
---|
1584 | { |
---|
1585 | // handle errors: |
---|
1586 | PrintS(feErrors); /* currently quite simple */ |
---|
1587 | *feErrors = '\0'; |
---|
1588 | } |
---|
1589 | ssiWrite(l,h); |
---|
1590 | h->CleanUp(); |
---|
1591 | omFreeBin(h, sleftv_bin); |
---|
1592 | } |
---|
1593 | /* never reached*/ |
---|
1594 | exit(0); |
---|
1595 | } |
---|
1596 | |
---|
1597 | // ---------------------------------------------------------------- |
---|
1598 | // format |
---|
1599 | // 1 int %d |
---|
1600 | // 2 string <len> %s |
---|
1601 | // 3 number |
---|
1602 | // 4 bigint 4 %d or 3 <mpz_t> |
---|
1603 | // 5 ring |
---|
1604 | // 6 poly |
---|
1605 | // 7 ideal |
---|
1606 | // 8 matrix |
---|
1607 | // 9 vector |
---|
1608 | // 10 module |
---|
1609 | // 11 command |
---|
1610 | // 12 def <len> %s |
---|
1611 | // 13 proc <len> %s |
---|
1612 | // 14 list %d <elem1> .... |
---|
1613 | // 15 setring ....... |
---|
1614 | // 16 nothing |
---|
1615 | // 17 intvec <len> ... |
---|
1616 | // |
---|
1617 | // 20 blackbox <name> ... |
---|
1618 | // |
---|
1619 | // 98: verify version: <ssi-version> <MAX_TOK> <OPT1> <OPT2> |
---|
1620 | // 99: quit Singular |
---|