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 |  185 +++++++++++-----------------------------------
 1 files changed, 44 insertions(+), 141 deletions(-)

diff --git a/src/snapshot.c b/src/snapshot.c
index 50dc139..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(&current_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;
@@ -110,131 +128,16 @@
 	return TS_SUCCESS;
 }
 
-
-
-
-/* UTILITIES */
-
-/* zlib compression base64 encoded */
-/* compressed must not be pre-malloced */
-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;
-}
-
-
-/* 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;
-    }
-
-    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);
-}
-
-
-
-
-
-
 

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