From 4ca00dc38c72f67dc714fbb45b3006afec097c9c Mon Sep 17 00:00:00 2001 From: Samo Penic <samo.penic@gmail.com> Date: Sat, 19 Oct 2019 13:26:56 +0000 Subject: [PATCH] Compression except of trisurf header is done. Preparing for decompression --- src/snapshot.c | 190 +++++++++++------------------------------------ 1 files changed, 44 insertions(+), 146 deletions(-) diff --git a/src/snapshot.c b/src/snapshot.c index f279dd0..d21b864 100644 --- a/src/snapshot.c +++ b/src/snapshot.c @@ -1,3 +1,5 @@ +/* vim: set ts=4 sts=4 sw=4 noet : */ +/* vim: set ts=4 sts=4 sw=4 noet : */ #include<stdio.h> #include<general.h> #include<snapshot.h> @@ -7,7 +9,10 @@ #include<inttypes.h> #include<config.h> #include <time.h> - +#include <string.h> +#include "io.h" +#include <b64zlib_compression.h> +/* a helper function that utilizes ts_string data structure and performs same as sprintf */ ts_uint ts_sprintf(ts_string *str, char *fmt, ...){ va_list ap; va_start(ap,fmt); @@ -17,11 +22,11 @@ return n; } - +/* outputs additional data into paraview xml file */ ts_bool xml_trisurf_data(FILE *fh, ts_vesicle *vesicle){ ts_string *data=(ts_string *)malloc(sizeof(ts_sprintf)); - data->string=(char *)malloc(512000*sizeof(char)); /*TODO: warning, can break if the string is to long */ + data->string=(char *)malloc(5120000*sizeof(char)); /*TODO: warning, can break if the string is to long */ data->beg=0; xml_trisurf_header(fh, vesicle); @@ -29,15 +34,17 @@ xml_trisurf_tria_neigh(data,vesicle->tlist); xml_trisurf_vtx_neigh(data,vesicle->vlist); xml_trisurf_vtx_tristar(data,vesicle->vlist); -#ifdef COMPRESSION - char *compressed; - ts_uint nbytes=ts_compress_string64(data->string, data->beg-1, &compressed); //suppress null character at the end with by substracting 1 - fwrite(compressed, sizeof(unsigned char), nbytes, fh); - free (compressed); -#else + xml_trisurf_nucleus(data,vesicle); + xml_trisurf_constvolarea(data,V0,A0); +//#ifdef COMPRESSION +// char *compressed; +// ts_uint nbytes=ts_compress_string64(data->string, data->beg-1, &compressed); //suppress null character at the end with by substracting 1 +// fwrite(compressed, sizeof(unsigned char), nbytes, fh); +// free (compressed); +//#else fprintf(fh,"%s", data->string); -#endif - free(data->string); +//#endif + free(data->string); /* TODO: valgrind is not ok with this! */ free(data); xml_trisurf_footer(fh); return TS_SUCCESS; @@ -49,15 +56,26 @@ char *c_time_string; current_time = time(NULL); c_time_string = ctime(¤t_time); - + int npoly, nfono; + fprintf(fh, "<trisurfversion>Trisurf (commit %s), compiled on %s %s</trisurfversion>\n",TS_VERSION, __DATE__, __TIME__); fprintf(fh, "<dumpdate>%s</dumpdate>\n", c_time_string); - //free (c_time_string); - fprintf(fh, "<tape>\n"); - + fprintf(fh, "<tape>"); + fprintf(fh,"%s",tapetxt); fprintf(fh, "</tape>\n"); - fprintf(fh, "<trisurf nvtx=\"%u\" npoly=\"%u\" nfono=\"%u\">\n", vesicle->vlist->n, vesicle->poly_list->n, vesicle->poly_list->poly[0]->vlist->n); + if(vesicle->poly_list!=NULL){ + npoly=vesicle->poly_list->n; + if(npoly!=0){ + nfono=vesicle->poly_list->poly[0]->vlist->n; + } else { + nfono=0; + } + } else { + npoly=0; + nfono=0; + } + fprintf(fh, "<trisurf nvtx=\"%u\" npoly=\"%u\" nmono=\"%u\" compressed=\"false\">\n", vesicle->vlist->n, npoly, nfono); return TS_SUCCESS; } @@ -70,7 +88,7 @@ ts_uint i; ts_sprintf(data,"<tria>"); for(i=0; i<tlist->n;i++){ - ts_sprintf(data,"%u %u %u",tlist->tria[i]->vertex[0]->idx, tlist->tria[i]->vertex[1]->idx, tlist->tria[i]->vertex[2]->idx); + ts_sprintf(data,"%u %u %u ",tlist->tria[i]->vertex[0]->idx, tlist->tria[i]->vertex[1]->idx, tlist->tria[i]->vertex[2]->idx); } ts_sprintf(data,"</tria>"); return TS_SUCCESS; @@ -80,7 +98,7 @@ ts_uint i; ts_sprintf(data,"<trianeigh>\n"); for(i=0; i<tlist->n;i++){ - ts_sprintf(data,"%u %u %u",tlist->tria[i]->neigh[0]->idx, tlist->tria[i]->neigh[1]->idx, tlist->tria[i]->neigh[2]->idx); + ts_sprintf(data,"%u %u %u ",tlist->tria[i]->neigh[0]->idx, tlist->tria[i]->neigh[1]->idx, tlist->tria[i]->neigh[2]->idx); } ts_sprintf(data,"</trianeigh>\n"); return TS_SUCCESS; @@ -110,136 +128,16 @@ return TS_SUCCESS; } - - - -/* UTILITIES */ - -/* zlib compression base64 encoded */ -/* compressed must not be pre-malloced */ -/* taken from https://gist.github.com/arq5x/5315739 */ -ts_uint ts_compress_string64(char *data, ts_uint data_len, char **compressed){ - z_stream defstream; - defstream.zalloc = Z_NULL; - defstream.zfree = Z_NULL; - defstream.opaque = Z_NULL; - defstream.avail_in = data_len+1; - defstream.next_in = (unsigned char *)data; - char *compr=(char *)malloc(data_len*sizeof(char *)); - defstream.avail_out = data_len+1; - defstream.next_out = (unsigned char *)compr; - deflateInit(&defstream, Z_BEST_COMPRESSION); - deflate(&defstream, Z_FINISH); - deflateEnd(&defstream); - /*base64 encode*/ - size_t nbase; - *compressed=base64_encode((unsigned char *)compr,(size_t)defstream.total_out,&nbase); - //fwrite(base64, sizeof(unsigned char), nbase, fh); - free(compr); - return nbase; -} - -ts_uint ts_decompress_string64(char *b64, ts_uint data_len, char **decompressed){ -return TS_SUCCESS; - -} - -/* base64 encoding, taken from http://stackoverflow.com/questions/342409/how-do-i-base64-encode-decode-in-c */ -static char encoding_table[] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', - 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', - 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', - 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', - 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', - 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', - 'w', 'x', 'y', 'z', '0', '1', '2', '3', - '4', '5', '6', '7', '8', '9', '+', '/'}; -static char *decoding_table = NULL; -static int mod_table[] = {0, 2, 1}; - - -char *base64_encode(const unsigned char *data, - size_t input_length, - size_t *output_length) { - - *output_length = 4 * ((input_length + 2) / 3); - int i,j; - char *encoded_data = malloc(*output_length); - if (encoded_data == NULL) return NULL; - - for (i = 0, j = 0; i < input_length;) { - - uint32_t octet_a = i < input_length ? (unsigned char)data[i++] : 0; - uint32_t octet_b = i < input_length ? (unsigned char)data[i++] : 0; - uint32_t octet_c = i < input_length ? (unsigned char)data[i++] : 0; - - uint32_t triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c; - - encoded_data[j++] = encoding_table[(triple >> 3 * 6) & 0x3F]; - encoded_data[j++] = encoding_table[(triple >> 2 * 6) & 0x3F]; - encoded_data[j++] = encoding_table[(triple >> 1 * 6) & 0x3F]; - encoded_data[j++] = encoding_table[(triple >> 0 * 6) & 0x3F]; +ts_bool xml_trisurf_nucleus(ts_string *data, ts_vesicle* vesicle){ + if(vesicle->R_nucleus>0.0 || (vesicle->R_nucleusX>0.0 && vesicle->R_nucleusY>0.0 && vesicle->R_nucleusZ>0.0)){ + ts_sprintf(data,"<nucleus>%.17e %.17e %.17e</nucleus>",vesicle->nucleus_center[0], vesicle->nucleus_center[1], vesicle->nucleus_center[2]); } - - for (i = 0; i < mod_table[input_length % 3]; i++) - encoded_data[*output_length - 1 - i] = '='; - - return encoded_data; + return TS_SUCCESS; } +ts_bool xml_trisurf_constvolarea(ts_string *data, ts_double volume, ts_double area){ + ts_sprintf(data,"<constant_volume>%.17e</constant_volume>",volume); + ts_sprintf(data,"<constant_area>%.17e</constant_area>",area); - -unsigned char *base64_decode(const char *data, - size_t input_length, - size_t *output_length) { - - int i,j; - if (decoding_table == NULL) build_decoding_table(); - - if (input_length % 4 != 0) return NULL; - - *output_length = input_length / 4 * 3; - if (data[input_length - 1] == '=') (*output_length)--; - if (data[input_length - 2] == '=') (*output_length)--; - - unsigned char *decoded_data = malloc(*output_length); - if (decoded_data == NULL) return NULL; - - for (i = 0, j = 0; i < input_length;) { - - uint32_t sextet_a = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; - uint32_t sextet_b = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; - uint32_t sextet_c = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; - uint32_t sextet_d = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; - - uint32_t triple = (sextet_a << 3 * 6) - + (sextet_b << 2 * 6) - + (sextet_c << 1 * 6) - + (sextet_d << 0 * 6); - - if (j < *output_length) decoded_data[j++] = (triple >> 2 * 8) & 0xFF; - if (j < *output_length) decoded_data[j++] = (triple >> 1 * 8) & 0xFF; - if (j < *output_length) decoded_data[j++] = (triple >> 0 * 8) & 0xFF; - } - if(decoding_table !=NULL) free(decoding_table); - return decoded_data; + return TS_SUCCESS; } - - -void build_decoding_table() { - - decoding_table = malloc(256); - int i; - for (i = 0; i < 64; i++) - decoding_table[(unsigned char) encoding_table[i]] = i; -} - - -void base64_cleanup() { - free(decoding_table); -} - - - - - - -- Gitblit v1.9.3