| commit | author | age | ||
| 7f6076 | 1 | /* vim: set ts=4 sts=4 sw=4 noet : */ |
| SP | 2 | /* vim: set ts=4 sts=4 sw=4 noet : */ |
| 854cb6 | 3 | #include<stdio.h> |
| SP | 4 | #include<general.h> |
| 5 | #include<snapshot.h> | |
| 22721d | 6 | #include<stdlib.h> |
| SP | 7 | #include<stdarg.h> |
| 8 | #include <zlib.h> | |
| f0bcea | 9 | #include<inttypes.h> |
| 11fef8 | 10 | #include<config.h> |
| 2e8c7f | 11 | #include <time.h> |
| 698ae1 | 12 | #include "io.h" |
| a3dbf0 | 13 | /* a helper function that utilizes ts_string data structure and performs same as sprintf */ |
| 22721d | 14 | ts_uint ts_sprintf(ts_string *str, char *fmt, ...){ |
| SP | 15 | va_list ap; |
| 16 | va_start(ap,fmt); | |
| 17 | ts_uint n=vsprintf(&(str->string[str->beg]),fmt,ap); | |
| 18 | va_end(ap); | |
| 19 | str->beg+=n; | |
| 20 | return n; | |
| 21 | } | |
| 22 | ||
| a3dbf0 | 23 | /* outputs additional data into paraview xml file */ |
| 854cb6 | 24 | ts_bool xml_trisurf_data(FILE *fh, ts_vesicle *vesicle){ |
| 22721d | 25 | |
| 2a1e3d | 26 | ts_string *data=(ts_string *)malloc(sizeof(ts_string)); |
| 02d65c | 27 | data->string=(char *)malloc(5120000*sizeof(char)); /*TODO: warning, can break if the string is to long */ |
| 22721d | 28 | data->beg=0; |
| SP | 29 | |
| 854cb6 | 30 | xml_trisurf_header(fh, vesicle); |
| 22721d | 31 | xml_trisurf_tria(data,vesicle->tlist); |
| SP | 32 | xml_trisurf_tria_neigh(data,vesicle->tlist); |
| 33 | xml_trisurf_vtx_neigh(data,vesicle->vlist); | |
| 34 | xml_trisurf_vtx_tristar(data,vesicle->vlist); | |
| 4891eb | 35 | xml_trisurf_nucleus(data,vesicle); |
| 49981c | 36 | xml_trisurf_constvolarea(data,V0,A0); |
| 22721d | 37 | #ifdef COMPRESSION |
| f0bcea | 38 | char *compressed; |
| 588bbb | 39 | ts_uint nbytes=ts_compress_string64(data->string, data->beg-1, &compressed); //suppress null character at the end with by substracting 1 |
| f0bcea | 40 | fwrite(compressed, sizeof(unsigned char), nbytes, fh); |
| SP | 41 | free (compressed); |
| 22721d | 42 | #else |
| SP | 43 | fprintf(fh,"%s", data->string); |
| 44 | #endif | |
| a3dbf0 | 45 | free(data->string); /* TODO: valgrind is not ok with this! */ |
| 22721d | 46 | free(data); |
| 854cb6 | 47 | xml_trisurf_footer(fh); |
| SP | 48 | return TS_SUCCESS; |
| 49 | } | |
| 50 | ||
| 51 | ts_bool xml_trisurf_header(FILE *fh, ts_vesicle *vesicle){ | |
| 2e8c7f | 52 | /* format current time */ |
| SP | 53 | time_t current_time; |
| 54 | char *c_time_string; | |
| 55 | current_time = time(NULL); | |
| 56 | c_time_string = ctime(¤t_time); | |
| a3dbf0 | 57 | int npoly, nfono; |
| SP | 58 | |
| e29756 | 59 | fprintf(fh, "<trisurfversion>Trisurf (commit %s), compiled on %s %s</trisurfversion>\n",TS_VERSION, __DATE__, __TIME__); |
| 2e8c7f | 60 | fprintf(fh, "<dumpdate>%s</dumpdate>\n", c_time_string); |
| SP | 61 | |
| cc95bd | 62 | fprintf(fh, "<tape>"); |
| 698ae1 | 63 | fprintf(fh,"%s",tapetxt); |
| f0bcea | 64 | fprintf(fh, "</tape>\n"); |
| a3dbf0 | 65 | if(vesicle->poly_list!=NULL){ |
| SP | 66 | npoly=vesicle->poly_list->n; |
| 67 | if(npoly!=0){ | |
| 68 | nfono=vesicle->poly_list->poly[0]->vlist->n; | |
| 69 | } else { | |
| 70 | nfono=0; | |
| 71 | } | |
| 72 | } else { | |
| 73 | npoly=0; | |
| 74 | nfono=0; | |
| 75 | } | |
| 86b69b | 76 | fprintf(fh, "<trisurf nvtx=\"%u\" npoly=\"%u\" nmono=\"%u\" compressed=\"false\">\n", vesicle->vlist->n, npoly, nfono); |
| 854cb6 | 77 | return TS_SUCCESS; |
| SP | 78 | } |
| 79 | ||
| 80 | ts_bool xml_trisurf_footer(FILE *fh){ | |
| 81 | fprintf(fh, "</trisurf>\n"); | |
| 82 | return TS_SUCCESS; | |
| 83 | } | |
| 84 | ||
| 22721d | 85 | ts_bool xml_trisurf_tria(ts_string *data, ts_triangle_list *tlist){ |
| 854cb6 | 86 | ts_uint i; |
| 588bbb | 87 | ts_sprintf(data,"<tria>"); |
| 854cb6 | 88 | for(i=0; i<tlist->n;i++){ |
| e87e4e | 89 | ts_sprintf(data,"%u %u %u ",tlist->tria[i]->vertex[0]->idx, tlist->tria[i]->vertex[1]->idx, tlist->tria[i]->vertex[2]->idx); |
| 854cb6 | 90 | } |
| 588bbb | 91 | ts_sprintf(data,"</tria>"); |
| 854cb6 | 92 | return TS_SUCCESS; |
| SP | 93 | } |
| 94 | ||
| 22721d | 95 | ts_bool xml_trisurf_tria_neigh(ts_string *data, ts_triangle_list *tlist){ |
| 854cb6 | 96 | ts_uint i; |
| 22721d | 97 | ts_sprintf(data,"<trianeigh>\n"); |
| 854cb6 | 98 | for(i=0; i<tlist->n;i++){ |
| e87e4e | 99 | ts_sprintf(data,"%u %u %u ",tlist->tria[i]->neigh[0]->idx, tlist->tria[i]->neigh[1]->idx, tlist->tria[i]->neigh[2]->idx); |
| 854cb6 | 100 | } |
| 22721d | 101 | ts_sprintf(data,"</trianeigh>\n"); |
| 854cb6 | 102 | return TS_SUCCESS; |
| SP | 103 | } |
| 104 | ||
| 22721d | 105 | ts_bool xml_trisurf_vtx_neigh(ts_string *data, ts_vertex_list *vlist){ |
| 854cb6 | 106 | ts_uint i,j; |
| SP | 107 | for(i=0;i<vlist->n;i++){ |
| 22721d | 108 | ts_sprintf(data,"<vtxn idx=\"%u\">",vlist->vtx[i]->idx); |
| 854cb6 | 109 | for(j=0;j<vlist->vtx[i]->neigh_no;j++){ |
| 22721d | 110 | ts_sprintf(data,"%u ",vlist->vtx[i]->neigh[j]->idx); |
| 854cb6 | 111 | } |
| 588bbb | 112 | ts_sprintf(data, "</vtxn>"); |
| 854cb6 | 113 | } |
| SP | 114 | return TS_SUCCESS; |
| 115 | } | |
| 116 | ||
| 22721d | 117 | ts_bool xml_trisurf_vtx_tristar(ts_string *data, ts_vertex_list *vlist){ |
| 854cb6 | 118 | ts_uint i,j; |
| SP | 119 | for(i=0;i<vlist->n;i++){ |
| 22721d | 120 | ts_sprintf(data,"<tristar idx=\"%u\">",vlist->vtx[i]->idx); |
| 854cb6 | 121 | for(j=0;j<vlist->vtx[i]->tristar_no;j++){ |
| 22721d | 122 | ts_sprintf(data,"%u ",vlist->vtx[i]->tristar[j]->idx); |
| 854cb6 | 123 | } |
| 588bbb | 124 | ts_sprintf(data, "</tristar>"); |
| 854cb6 | 125 | } |
| SP | 126 | return TS_SUCCESS; |
| 127 | } | |
| 128 | ||
| 4891eb | 129 | ts_bool xml_trisurf_nucleus(ts_string *data, ts_vesicle* vesicle){ |
| SP | 130 | if(vesicle->R_nucleus>0.0 || (vesicle->R_nucleusX>0.0 && vesicle->R_nucleusY>0.0 && vesicle->R_nucleusZ>0.0)){ |
| 49981c | 131 | ts_sprintf(data,"<nucleus>%.17e %.17e %.17e</nucleus>",vesicle->nucleus_center[0], vesicle->nucleus_center[1], vesicle->nucleus_center[2]); |
| 4891eb | 132 | } |
| SP | 133 | return TS_SUCCESS; |
| 134 | } | |
| 49981c | 135 | ts_bool xml_trisurf_constvolarea(ts_string *data, ts_double volume, ts_double area){ |
| SP | 136 | ts_sprintf(data,"<constant_volume>%.17e</constant_volume>",volume); |
| 137 | ts_sprintf(data,"<constant_area>%.17e</constant_area>",area); | |
| 138 | ||
| 139 | return TS_SUCCESS; | |
| 140 | } | |
| f0bcea | 141 | |
| SP | 142 | |
| 143 | /* UTILITIES */ | |
| 144 | ||
| 145 | /* zlib compression base64 encoded */ | |
| 146 | /* compressed must not be pre-malloced */ | |
| 8c1bb1 | 147 | /* taken from https://gist.github.com/arq5x/5315739 */ |
| f0bcea | 148 | ts_uint ts_compress_string64(char *data, ts_uint data_len, char **compressed){ |
| SP | 149 | z_stream defstream; |
| 150 | defstream.zalloc = Z_NULL; | |
| 151 | defstream.zfree = Z_NULL; | |
| 152 | defstream.opaque = Z_NULL; | |
| 153 | defstream.avail_in = data_len+1; | |
| 154 | defstream.next_in = (unsigned char *)data; | |
| 155 | char *compr=(char *)malloc(data_len*sizeof(char *)); | |
| 156 | defstream.avail_out = data_len+1; | |
| 157 | defstream.next_out = (unsigned char *)compr; | |
| 158 | deflateInit(&defstream, Z_BEST_COMPRESSION); | |
| 159 | deflate(&defstream, Z_FINISH); | |
| 160 | deflateEnd(&defstream); | |
| 161 | /*base64 encode*/ | |
| 162 | size_t nbase; | |
| 163 | *compressed=base64_encode((unsigned char *)compr,(size_t)defstream.total_out,&nbase); | |
| 164 | //fwrite(base64, sizeof(unsigned char), nbase, fh); | |
| 165 | free(compr); | |
| 166 | return nbase; | |
| 167 | } | |
| 168 | ||
| 8c1bb1 | 169 | ts_uint ts_decompress_string64(char *b64, ts_uint data_len, char **decompressed){ |
| SP | 170 | return TS_SUCCESS; |
| 171 | ||
| 172 | } | |
| f0bcea | 173 | |
| SP | 174 | /* base64 encoding, taken from http://stackoverflow.com/questions/342409/how-do-i-base64-encode-decode-in-c */ |
| 175 | static char encoding_table[] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', | |
| 176 | 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', | |
| 177 | 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', | |
| 178 | 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', | |
| 179 | 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', | |
| 180 | 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', | |
| 181 | 'w', 'x', 'y', 'z', '0', '1', '2', '3', | |
| 182 | '4', '5', '6', '7', '8', '9', '+', '/'}; | |
| 183 | static char *decoding_table = NULL; | |
| 184 | static int mod_table[] = {0, 2, 1}; | |
| 185 | ||
| 186 | ||
| 7f6076 | 187 | char *base64_encode(const unsigned char *data, size_t input_length, size_t *output_length) { |
| f0bcea | 188 | *output_length = 4 * ((input_length + 2) / 3); |
| SP | 189 | int i,j; |
| 190 | char *encoded_data = malloc(*output_length); | |
| 191 | if (encoded_data == NULL) return NULL; | |
| 192 | ||
| 193 | for (i = 0, j = 0; i < input_length;) { | |
| 194 | ||
| 7f6076 | 195 | uint32_t octet_a = i < input_length ? (unsigned char)data[i++] : 0; |
| SP | 196 | uint32_t octet_b = i < input_length ? (unsigned char)data[i++] : 0; |
| 197 | uint32_t octet_c = i < input_length ? (unsigned char)data[i++] : 0; | |
| 198 | uint32_t triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c; | |
| f0bcea | 199 | |
| 7f6076 | 200 | encoded_data[j++] = encoding_table[(triple >> 3 * 6) & 0x3F]; |
| SP | 201 | encoded_data[j++] = encoding_table[(triple >> 2 * 6) & 0x3F]; |
| 202 | encoded_data[j++] = encoding_table[(triple >> 1 * 6) & 0x3F]; | |
| 203 | encoded_data[j++] = encoding_table[(triple >> 0 * 6) & 0x3F]; | |
| f0bcea | 204 | } |
| SP | 205 | |
| 206 | for (i = 0; i < mod_table[input_length % 3]; i++) | |
| 7f6076 | 207 | encoded_data[*output_length - 1 - i] = '='; |
| f0bcea | 208 | |
| SP | 209 | return encoded_data; |
| 210 | } | |
| 211 | ||
| 212 | ||
| 7f6076 | 213 | unsigned char *base64_decode(const char *data, size_t input_length, size_t *output_length) { |
| f0bcea | 214 | int i,j; |
| SP | 215 | if (decoding_table == NULL) build_decoding_table(); |
| 216 | ||
| 217 | if (input_length % 4 != 0) return NULL; | |
| 218 | ||
| 219 | *output_length = input_length / 4 * 3; | |
| 220 | if (data[input_length - 1] == '=') (*output_length)--; | |
| 221 | if (data[input_length - 2] == '=') (*output_length)--; | |
| 222 | ||
| 223 | unsigned char *decoded_data = malloc(*output_length); | |
| 224 | if (decoded_data == NULL) return NULL; | |
| 225 | ||
| 226 | for (i = 0, j = 0; i < input_length;) { | |
| 7f6076 | 227 | uint32_t sextet_a = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; |
| SP | 228 | uint32_t sextet_b = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; |
| 229 | uint32_t sextet_c = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; | |
| 230 | uint32_t sextet_d = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; | |
| f0bcea | 231 | |
| 7f6076 | 232 | uint32_t triple = (sextet_a << 3 * 6) |
| f0bcea | 233 | + (sextet_b << 2 * 6) |
| SP | 234 | + (sextet_c << 1 * 6) |
| 235 | + (sextet_d << 0 * 6); | |
| 236 | ||
| 7f6076 | 237 | if (j < *output_length) decoded_data[j++] = (triple >> 2 * 8) & 0xFF; |
| SP | 238 | if (j < *output_length) decoded_data[j++] = (triple >> 1 * 8) & 0xFF; |
| 239 | if (j < *output_length) decoded_data[j++] = (triple >> 0 * 8) & 0xFF; | |
| f0bcea | 240 | } |
| 8c1bb1 | 241 | if(decoding_table !=NULL) free(decoding_table); |
| f0bcea | 242 | return decoded_data; |
| SP | 243 | } |
| 244 | ||
| 245 | ||
| 246 | void build_decoding_table() { | |
| 247 | ||
| 248 | decoding_table = malloc(256); | |
| 249 | int i; | |
| 250 | for (i = 0; i < 64; i++) | |
| 7f6076 | 251 | decoding_table[(unsigned char) encoding_table[i]] = i; |
| f0bcea | 252 | } |
| SP | 253 | |
| 254 | ||
| 255 | void base64_cleanup() { | |
| 256 | free(decoding_table); | |
| 257 | } | |
| 258 | ||
| 259 | ||
| 260 | ||
| 261 | ||
| 262 | ||
| 263 | ||
| 264 | ||