From a69203a95d66595b80891aafc1ca8a59303290d0 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Fri, 18 Oct 2019 09:16:27 +0000
Subject: [PATCH] Debugged all the leaks. Decompression still not working

---
 src/snapshot.c |  170 ++++++++++++++++++++++++++++++++++++++------------------
 1 files changed, 114 insertions(+), 56 deletions(-)

diff --git a/src/snapshot.c b/src/snapshot.c
index 6bbefdb..53bca9d 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>
@@ -5,7 +7,11 @@
 #include<stdarg.h>
 #include <zlib.h>
 #include<inttypes.h>
-
+#include<config.h>
+#include <time.h>
+#include <string.h>
+#include "io.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);
@@ -15,11 +21,11 @@
 	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);
@@ -27,28 +33,48 @@
 	xml_trisurf_tria_neigh(data,vesicle->tlist);
 	xml_trisurf_vtx_neigh(data,vesicle->vlist);	
 	xml_trisurf_vtx_tristar(data,vesicle->vlist);
-#ifdef COMPRESSION
+	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, &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);
+//#else
+//	fprintf(fh,"%s", data->string);
+//#endif
+	free(data->string);  /* TODO: valgrind is not ok with this! */
 	free(data);
 	xml_trisurf_footer(fh);
 	return TS_SUCCESS;
 }
 
 ts_bool xml_trisurf_header(FILE *fh, ts_vesicle *vesicle){
-	fprintf(fh, "<trisurfversion></trisurfversion>\n");
-	fprintf(fh, "<trisurfdate></trisurfdate>\n");
-	fprintf(fh, "<dumpdate></dumpdate>\n");
-	fprintf(fh, "<tape>\n");
-	
+/* format current time */
+	time_t current_time;
+    	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);
+
+	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;
 }
 
@@ -59,11 +85,11 @@
 
 ts_bool xml_trisurf_tria(ts_string *data, ts_triangle_list *tlist){
 	ts_uint i;
-	ts_sprintf(data,"<tria>\n");
+	ts_sprintf(data,"<tria>");
 	for(i=0; i<tlist->n;i++){
-		ts_sprintf(data,"%u %u %u\n",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>\n");
+	ts_sprintf(data,"</tria>");
 	return TS_SUCCESS;
 }
 
@@ -71,7 +97,7 @@
 	ts_uint i;
 	ts_sprintf(data,"<trianeigh>\n");
 	for(i=0; i<tlist->n;i++){
-		ts_sprintf(data,"%u %u %u\n",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;
@@ -84,7 +110,7 @@
 		for(j=0;j<vlist->vtx[i]->neigh_no;j++){
 			ts_sprintf(data,"%u ",vlist->vtx[i]->neigh[j]->idx);
 		}
-		ts_sprintf(data, "</vtxn>\n");
+		ts_sprintf(data, "</vtxn>");
 	}
 	return TS_SUCCESS;
 }
@@ -96,39 +122,79 @@
 		for(j=0;j<vlist->vtx[i]->tristar_no;j++){
 			ts_sprintf(data,"%u ",vlist->vtx[i]->tristar[j]->idx);
 		}
-		ts_sprintf(data, "</tristar>\n");
+		ts_sprintf(data, "</tristar>");
 	}
 	return TS_SUCCESS;
 }
 
+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]);
+	}
+	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);
 
+	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){
+/* taken from https://gist.github.com/arq5x/5315739 */
+ts_uint ts_compress_data(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 *));
+	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);
+	deflateInit(&defstream, 6);
+//	deflateInit(&defstream, Z_BEST_COMPRESSION);
     	deflate(&defstream, Z_FINISH);
     	deflateEnd(&defstream);
-	/*base64 encode*/
+	*compressed=compr;
+	return defstream.total_out;
+}
+
+ts_uint ts_compress_string64(char *data, ts_uint data_len, char **encoded_compressed){
 	size_t nbase;
-	*compressed=base64_encode((unsigned char *)compr,(size_t)defstream.total_out,&nbase);
-	//fwrite(base64, sizeof(unsigned char), nbase, fh);
+	char *compr;
+	size_t number_of_compressed_bytes=ts_compress_data(data, data_len, &compr);
+	*encoded_compressed=base64_encode((unsigned char *)compr,number_of_compressed_bytes,&nbase);
 	free(compr);
 	return nbase;
 }
 
+char *ts_compress(char *data, ts_uint data_len, ts_uint original_len){
+	size_t nbase1, nbase2;
+	char *compr;
+	size_t number_of_compressed_bytes=ts_compress_data(data, data_len, &compr);
+	char *encoded_compressed=base64_encode((unsigned char *)compr,number_of_compressed_bytes,&nbase1);
+	free(compr);
+	ts_uint header[4]={1, original_len, original_len, number_of_compressed_bytes};
+	char *encoded_header=(char *)base64_encode((unsigned char *)header, 4*sizeof(ts_uint), &nbase2);
+	char *return_value=malloc((nbase1+nbase2+1)*sizeof(char));
+	strncpy(return_value,encoded_header,nbase2);
+	strncpy(return_value+nbase2,encoded_compressed,nbase1);
+	*(return_value+nbase1+nbase2)=0;
+	printf("Compressed size in bytes= %ld, size of encoded header= %ld, size of encoded compressed= %ld.\n",number_of_compressed_bytes, nbase2, nbase1);
+	free(encoded_compressed);
+	free(encoded_header);
+	return return_value;
+}
+
+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',
@@ -143,10 +209,7 @@
 static int mod_table[] = {0, 2, 1};
 
 
-char *base64_encode(const unsigned char *data,
-                    size_t input_length,
-                    size_t *output_length) {
-
+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);
@@ -154,29 +217,25 @@
 	
 	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 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;
 
-	        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];
+       	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];
 	}
 
 	for (i = 0; i < mod_table[input_length % 3]; i++)
-        	encoded_data[*output_length - 1 - i] = '=';
+       	encoded_data[*output_length - 1 - i] = '=';
 
 	return encoded_data;
 }
 
 
-unsigned char *base64_decode(const char *data,
-                             size_t input_length,
-                             size_t *output_length) {
-
+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();
 
@@ -190,22 +249,21 @@
 	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 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)
+       	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 (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;
 }
 
@@ -215,7 +273,7 @@
     decoding_table = malloc(256);
 	int i;
     for (i = 0; i < 64; i++)
-        decoding_table[(unsigned char) encoding_table[i]] = i;
+		decoding_table[(unsigned char) encoding_table[i]] = i;
 }
 
 

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