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CCSDS_study/netzob-030/lib/libNeedleman/Needleman.c

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CCSDS_study project
2026-05-05 21:54:35 +08:00
// -*- coding: utf-8 -*-
//+---------------------------------------------------------------------------+
//| 01001110 01100101 01110100 01111010 01101111 01100010 |
//| |
//| Netzob : Inferring communication protocols |
//+---------------------------------------------------------------------------+
//| Copyright (C) 2011-2017 Georges Bossert and Frédéric Guihéry |
//| This program is free software: you can redistribute it and/or modify |
//| it under the terms of the GNU General Public License as published by |
//| the Free Software Foundation, either version 3 of the License, or |
//| (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//| |
//| You should have received a copy of the GNU General Public License |
//| along with this program. If not, see <http://www.gnu.org/licenses/>. |
//+---------------------------------------------------------------------------+
//| @url : http://www.netzob.org |
//| @contact : contact@netzob.org |
//| @sponsors : Amossys, http://www.amossys.fr |
//| Supélec, http://www.rennes.supelec.fr/ren/rd/cidre/ |
//+---------------------------------------------------------------------------+
//Compilation Windows
//cl -Fe_libNeedleman.pyd -Ox -Ot -openmp -LD /I"C:\Python26\include" /I"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\include" libNeedleman.c "C:\Python26\libs\python26.lib" "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\lib\vcomp.lib"
//+---------------------------------------------------------------------------+
//| Import Associated Header
//+---------------------------------------------------------------------------+
#include "Needleman.h"
#ifdef _WIN32
#include <stdio.h>
#include <malloc.h>
#endif
void alignMessages(t_message *resMessage, Bool doInternalSlick, unsigned int nbMessages, t_message * messages, Bool debugMode) {
// local variable
unsigned int numberOfOperations = 0;
double costOfOperation;
double status = 0.0;
// Local variables
t_message current_message;
t_message new_message;
t_score score;
unsigned int i_message = 0;
// Regex returned by the function alignTwoMessages()
char * regex = NULL;
score.s1 = 0;
score.s2 = 0;
score.s3 = 0;
score.value = 0;
//+------------------------------------------------------------------------+
// Estimate the number of operation
//+------------------------------------------------------------------------+
numberOfOperations = nbMessages - 1;
costOfOperation = 100.0 / numberOfOperations;
// Create a current message (using first message)
// current message = Align N+1 message with current message
current_message.len = messages[0].len;
current_message.alignment = messages[0].alignment;
current_message.mask = malloc(messages[0].len * sizeof(unsigned char));
current_message.semanticTags = malloc(messages[0].len * sizeof(t_semanticTag*));
for (unsigned int j=0; j<messages[0].len; j++) {
current_message.semanticTags[j] = malloc(sizeof(t_semanticTag));
current_message.semanticTags[j]->name = malloc((strlen(messages[0].semanticTags[j]->name)+1) * sizeof(char));
strcpy(current_message.semanticTags[j]->name, messages[0].semanticTags[j]->name);
}
memset(current_message.mask, 0, messages[0].len);
current_message.score = &score;
// Prepare for the resMessage
if (nbMessages == 1) {
resMessage->len = current_message.len;
resMessage->mask = current_message.mask;
resMessage->alignment = current_message.alignment;
resMessage->score = current_message.score;
resMessage->semanticTags = current_message.semanticTags;
}
for (i_message=1; i_message < nbMessages; i_message++) {
// Update the execution status
if (callbackStatus(0, status, "Consider message %d in the alignment process", i_message) == -1) {
printf("Error, error while executing C callback.\n");
}
if (callbackIsFinish() == 1) {
return;
}
new_message.len = messages[i_message].len;
new_message.alignment = messages[i_message].alignment;
new_message.mask = malloc(messages[i_message].len * sizeof(unsigned char));
new_message.semanticTags = malloc(messages[i_message].len * sizeof(t_semanticTag*));
for (unsigned int j=0; j<messages[i_message].len; j++) {
new_message.semanticTags[j] = malloc(sizeof(t_semanticTag));
new_message.semanticTags[j]->name = malloc((strlen(messages[i_message].semanticTags[j]->name)+1) * sizeof(char));
strcpy(new_message.semanticTags[j]->name, messages[i_message].semanticTags[j]->name);
}
memset(new_message.mask, 0, messages[i_message].len);
// Align current_message with new_message
regex = alignTwoMessages(resMessage, doInternalSlick, &current_message, &new_message, debugMode);
// regex is malloced by the function alignTwoMessages() and we don't need it here
if(regex)
free(regex);
free(current_message.mask);
free(new_message.mask);
// Copy result in the current message
current_message.len = resMessage->len;
current_message.alignment = resMessage->alignment;
current_message.mask = resMessage->mask;
current_message.semanticTags = resMessage->semanticTags;
//udpate status
status += costOfOperation;
}
// Update the execution status
if (callbackStatus(0, status, "The %d messages have sucessfully been aligned.", nbMessages) == -1) {
printf("Error, error while executing C callback.\n");
}
free(messages);
}
char* alignTwoMessages(t_message * resMessage, Bool doInternalSlick, t_message * message1, t_message * message2, Bool debugMode){
// local variables
short int ** matrix = NULL;
unsigned int i = 0;
unsigned int j = 0;
// Construction of the matrix
short int elt1, elt2, elt3, max, eltL, eltD, eltT;
// Levenshtein distance
// float levenshtein = 0.0;
float scoreAlignment = 0;
unsigned int maxLen = 0;
// Traceback
unsigned char * contentMessage1 = NULL;
unsigned int * mapMessage1 = NULL;
unsigned char * maskMessage1 = NULL;
unsigned char * contentMessage2 = NULL;
unsigned char * maskMessage2 = NULL;
unsigned int * mapMessage2 = NULL;
unsigned int iReg1 = 0;
unsigned int iReg2 = 0;
// Computing resMessage
unsigned char *tmpMessage = NULL;
unsigned char *tmpMessageMask = NULL;
t_semanticTag **tmpMessageTags = NULL;
// Score computation
unsigned int nbDynTotal = 0;
unsigned int nbDynCommon = 0;
// Regex returned by the function
char * regex = NULL;
// DEBUG DISPLAY OF MESSAGES
if (debugMode == TRUE) {
displayMessage(message1);
displayMessage(message2);
}
//+------------------------------------------------------------------------+
// Create and initialize the matrix
//+------------------------------------------------------------------------+
matrix = (short int**) malloc( sizeof(short int*) * (message1->len + 1) );
for (i = 0; i < (message1->len + 1); i++) {
matrix[i] = (short int*) calloc( (message2->len + 1), sizeof(short int) );
}
//+------------------------------------------------------------------------+
// Fullfill the matrix given the two messages
//+------------------------------------------------------------------------+
// Parralelization:
unsigned int nbDiag = 0;
unsigned int nbBlock = 0; // Depends on which diagonal we are on
unsigned int minLen = 0;
unsigned int firsti = 0;
unsigned int firstj = 0;
unsigned int diagloop = 0;
unsigned int blockLoop = 0;
unsigned int iblock = 0;
unsigned int jblock = 0;
unsigned int maxLoopi = 0;
unsigned int maxLoopj = 0;
unsigned int lastRow = 0;
unsigned int lastColumn = 0;
int maxScoreMatrix = 0;
lastRow = ((message1->len+1)/BLEN) * BLEN;
lastColumn = ((message2->len+1)/BLEN) * BLEN;
nbDiag = (message1->len+1)/BLEN + (message2->len+1)/BLEN + ((message1->len+1)%BLEN!=0); // reminder: BLEN = blocklength
minLen = message1->len+1 <= message2->len+1 ? message1->len+1 : message2->len+1;
maxLen = message1->len+1 > message2->len+1 ? message1->len+1 : message2->len+1;
// Begin loop over diagonals
for (diagloop = 0; diagloop < nbDiag; diagloop++){
//printf("Diag n %d\n",diagloop);
for (blockLoop = 0;blockLoop <= nbBlock; blockLoop++){
//printf("Block n %d\n",blockLoop);
//(iblock,jblock are moving from the bottom left of the current diagonal to the top right)
iblock = firsti - blockLoop * BLEN;
jblock = firstj + blockLoop * BLEN;
maxLoopi = iblock + BLEN <= message1->len + 1? iblock + BLEN:message1->len + 1;
maxLoopj = jblock + BLEN <= message2->len + 1? jblock + BLEN:message2->len + 1;
for(i = iblock;i < maxLoopi; i++){
for(j = jblock; j < maxLoopj; j++){
if (i > 0 && j > 0){
elt1 = matrix[i - 1][j - 1];
elt1 += getSimilarityScore(message1, message2, i, j);
elt2 = matrix[i][j - 1] + GAP;
elt3 = matrix[i - 1][j] + GAP;
max = elt1 > elt2 ? elt1 : elt2;
max = max > elt3 ? max : elt3;
matrix[i][j] = max;
if (max > maxScoreMatrix) {
maxScoreMatrix = max;
}
}//printf("%d,\t",matrix[i][j]);
}
//printf("\n");
}//End for iblock
}//End for blockLoop
//Actualize the number of block for the next time
if (diagloop < minLen/BLEN){
nbBlock++;
}
else if (diagloop > maxLen/BLEN){
nbBlock--;
}
//Actualise the first position of the cursor (bottom left of the next diagonal)
if (firsti != lastRow) // If we are not at the last row
firsti = firsti + BLEN ;
else if (firstj != lastColumn) // Else If we are not at the last column
firstj += BLEN;
}//End for diagloop
// Compute score of the alignment (ratio regarding the max score these two payloads could have get if they were equals)
unsigned int lenSmallestPayload = message2->len > message1->len ? message1->len : message2->len;
float maxScore = lenSmallestPayload * MATCH;
scoreAlignment = (100.0f / maxScore) * (float) maxScoreMatrix;
if (scoreAlignment > 100.0f) {
scoreAlignment = 100.0f;
} else if (scoreAlignment < 0.0f) {
scoreAlignment = 0.0f;
}
//levenshtein = MATCH*(float)matrix[message1->len][message2->len] / maxLen;
//float levcop = matrix[message1->len][message2->len];
//levenshtein = levenshtein * 10 / maxLen;
//+------------------------------------------------------------------------+
// Traceback into the matrix
//+------------------------------------------------------------------------+
//finish = FALSE;
contentMessage1 = calloc( message1->len + message2->len, sizeof(unsigned char));
mapMessage1 = calloc( message1->len + message2->len, sizeof(unsigned int));
maskMessage1 = calloc( message1->len + message2->len, sizeof(unsigned char));
contentMessage2 = calloc( message1->len + message2->len, sizeof(unsigned char));
mapMessage2 = calloc( message1->len + message2->len, sizeof(unsigned int));
maskMessage2 = calloc( message1->len + message2->len, sizeof(unsigned char));
if (contentMessage1 == NULL) {
printf("Error while trying to allocate memory for variable : contentMessage1.\n");
goto end;
}
if (contentMessage2 == NULL) {
printf("Error while trying to allocate memory for variable : contentMessage2.\n");
goto end;
}
if (maskMessage1 == NULL) {
printf("Error while trying to allocate memory for variable : maskMessage1.\n");
goto end;
}
if (maskMessage2 == NULL) {
printf("Error while trying to allocate memory for variable : maskMessage2.\n");
goto end;
}
// Fullfill the mask with END like filling it with a '\0'
memset(maskMessage1, END, (message1->len + message2->len) * sizeof(unsigned char));
memset(maskMessage2, END, (message1->len + message2->len) * sizeof(unsigned char));
// Prepare variables for the traceback
iReg1 = message1->len + message2->len - 1;
iReg2 = iReg1;
i = message1->len;
j = message2->len;
// DIAGONAL (almost) TRACEBACK
while ((i > 0) && (j > 0)) {
eltL = matrix[i][j - 1];
eltD = matrix[i - 1][j - 1];
eltT = matrix[i - 1][j];
if ((eltL > eltD) && (eltL > eltT)) {
--j;
contentMessage1[iReg1] = 0xf1;
maskMessage1[iReg1] = DIFFERENT;
if( message2->mask[j] == EQUAL) {
contentMessage2[iReg2] = message2->alignment[j];
maskMessage2[iReg2] = EQUAL;
}
else {
contentMessage2[iReg2] = 0xf1;
maskMessage2[iReg2] = DIFFERENT;
}
} else if ((eltT >= eltL) && (eltT > eltD)) {
--i;
contentMessage2[iReg2] = 0xf2;
maskMessage2[iReg2] = DIFFERENT;
if( message1->mask[i] == EQUAL) {
contentMessage1[iReg1] = message1->alignment[i];
maskMessage1[iReg1] = EQUAL;
}
else {
contentMessage1[iReg1] = 0xf2;
maskMessage1[iReg1] = DIFFERENT;
}
} else {
--i;
--j;
if(message1->mask[i] == EQUAL) {
contentMessage1[iReg1] = message1->alignment[i];
maskMessage1[iReg1] = EQUAL;
}
else {
contentMessage1[iReg1] = 0xf2;
maskMessage1[iReg1] = DIFFERENT;
}
if(message2->mask[j] == EQUAL) {
contentMessage2[iReg2] = message2->alignment[j];
maskMessage2[iReg2] = EQUAL;
}
else {
contentMessage2[iReg2] = 0xf2;
maskMessage2[iReg2] = DIFFERENT;
}
}
mapMessage1[iReg1]=i;
mapMessage2[iReg2]=j;
--iReg1;
--iReg2;
}
// THE DIAGONAL IS FINISH WE CLOSE THE
// TRACEBACK BY GOING TO THE EXTREME TOP
while (i > 0) {
--i;
contentMessage2[iReg2] = 0xf3;
maskMessage2[iReg2] = DIFFERENT;
if(message1->mask[i] == EQUAL) {
contentMessage1[iReg1] = message1->alignment[i];
maskMessage1[iReg1] = EQUAL;
}
else {
contentMessage1[iReg1] = 0xf3;
maskMessage1[iReg1] = DIFFERENT;
}
mapMessage1[iReg1]=i;
mapMessage2[iReg2]=j;
--iReg1;
--iReg2;
}
// THE DIAGONAL IS FINISH WE CLOSE THE
// TRACEBACK BY GOING TO THE EXTREME LEFT
while (j > 0) {
--j;
contentMessage1[iReg1] = 0xf4;
maskMessage1[iReg1] = DIFFERENT;
if(message2->mask[j] == EQUAL) {
contentMessage2[iReg2] = message2->alignment[j];
maskMessage2[iReg2] = EQUAL;
}
else {
contentMessage2[iReg2] = 0xf4;
maskMessage2[iReg2] = DIFFERENT;
}
mapMessage1[iReg1]=i;
mapMessage2[iReg2]=j;
--iReg1;
--iReg2;
}
if (debugMode == TRUE) {
// Display the mapping between alignement and message half-bytes
printf("Mapping : ");
for( i = 0; i < message1->len + message2->len; i++) {
unsigned int iTag = mapMessage1[i];
unsigned int jTag = mapMessage2[i];
char * tagNameMessage1 = NULL;
char * tagNameMessage2 = NULL;
if (iTag >= message1->len || message1->semanticTags[iTag] == NULL
|| message1->semanticTags[iTag]->name == NULL) {
tagNameMessage1 = "None";
} else {
tagNameMessage1 = message1->semanticTags[iTag]->name;
}
if (jTag >= message2->len || message2->semanticTags[jTag] == NULL
|| message2->semanticTags[jTag]->name == NULL) {
tagNameMessage2 = "None";
} else {
tagNameMessage2 = message2->semanticTags[jTag]->name;
}
if (strcmp(tagNameMessage1, "None") != 0 || strcmp(tagNameMessage2, "None") != 0) {
printf("%d) 1=%d [%s], 2=%d [%s], \n", i, iTag, tagNameMessage1, jTag, tagNameMessage2);
}
}
}
// For debug only
if (debugMode == TRUE) {
printf("(1)Alig : ");
for( i = 0; i < message1->len + message2->len; i++) {
if(maskMessage1[i] == EQUAL ) {
printf("%02x", (unsigned char) contentMessage1[i]);
} else if ( maskMessage2[i] == END ) {
//printf("##");
} else {
printf("--");
}
}
printf("\n");
printf("(2)Alig : ");
for( i = 0; i < message1->len + message2->len; i++) {
if( maskMessage2[i] == EQUAL ) {
printf("%02x", (unsigned char) contentMessage2[i]);
} else if ( maskMessage2[i] == END ) {
//printf("##");
} else {
printf("--");
}
}
printf("\n");
}
// Compute the common alignment
char hexrepr[3];
int sizereg = 100000;//(int)(levcop/10)*2+(int)(levcop/10)+2;
int regind = 0;
tmpMessage = calloc(message1->len + message2->len, sizeof(unsigned char));
tmpMessageMask = malloc((message1->len + message2->len) * sizeof(unsigned char));
memset(tmpMessageMask, END, (message1->len + message2->len) * sizeof(unsigned char));
tmpMessageTags = malloc((message1->len + message2->len) * sizeof(t_semanticTag*));
for (i=0; i<message1->len + message2->len; i++){
tmpMessageTags[i] = malloc(sizeof(t_semanticTag));
tmpMessageTags[i]->name = NULL;
}
regex= malloc( sizereg* sizeof(char));
memset(regex, 0, sizereg);
if (debugMode == TRUE) {
printf("Compute the common alignment:\n");
}
i = 0;
while (i < message1->len + message2->len) {
// Fetch the semantic tag of the two messages
unsigned int iTag = mapMessage1[i];
unsigned int jTag = mapMessage2[i];
char * tagNameMessage1 = NULL;
char * tagNameMessage2 = NULL;
char * tagNewMessage = NULL;
if (iTag >= message1->len || message1->semanticTags[iTag] == NULL
|| message1->semanticTags[iTag]->name == NULL) {
tagNameMessage1 = "None";
} else {
tagNameMessage1 = message1->semanticTags[iTag]->name;
}
if (jTag >= message2->len || message2->semanticTags[jTag] == NULL || message2->semanticTags[jTag]->name == NULL) {
tagNameMessage2 = "None";
} else {
tagNameMessage2 = message2->semanticTags[jTag]->name;
}
if (strcmp(tagNameMessage1, tagNameMessage2) == 0) {
tagNewMessage = tagNameMessage1;
} else {
tagNewMessage = "None";
}
tmpMessageTags[i]->name = tagNewMessage;
if ((maskMessage1[i] == END) || (maskMessage2[i] == END)) {
if(regind==0){
regex[0] ='.';
regind++;
}
else if(regex[regind-1] !='.'){
regex[regind] ='.';
regind++;
}
tmpMessage[i] = 0xf9;
tmpMessageMask[i] = END;
}
else if ((maskMessage1[i] == EQUAL) && (maskMessage2[i] == EQUAL) && (contentMessage1[i] == contentMessage2[i])) {
tmpMessage[i] = contentMessage1[i];
sprintf(hexrepr,"%02x",contentMessage1[i]);
sprintf(regex+regind,"%02x",contentMessage1[i]);
//regex[regind] = hexrepr[1];
//regex[regind+1] = hexrepr[0];
regind+=2;
tmpMessageMask[i] = EQUAL;
}
else {
if(regind==0){
regex[0] ='.';
regind++;
}
else if(regex[regind-1] !='.'){
regex[regind] ='.';
regind++;
}
tmpMessage[i] = 0xf5;
tmpMessageMask[i] = DIFFERENT;
nbDynTotal += 1;
if ((maskMessage1[i] == EQUAL) && (maskMessage2[i] == EQUAL)) {
nbDynCommon += 1;
}
}
i++;
}
//printf("%f\n",levcop);
/*if(regex!=NULL){
printf("REGEX %s\n",regex);
//free(regex);
//printf("FREE \n");
}*/
// Try to (optionally) slick the alignment
if(doInternalSlick == TRUE) {
if(message1->len + message2->len > 0) {
for(i = 1; i < message1->len + message2->len - 1; i++) {
if( tmpMessageMask[i] == EQUAL ) {
if( tmpMessageMask[i - 1] == DIFFERENT ) {
if( tmpMessageMask[i + 1] == DIFFERENT ) {
tmpMessage[i] = 0xf6;
tmpMessageMask[i] = DIFFERENT;
}
}
}
}
}
}
// Create the alignment based on obtained data
// Remove the first # of the alignment (where mask = END)
// Retrieve the shortest possible alignment
i = 0;
while( tmpMessageMask[i] == END )
i++;
// Store the results
resMessage->len = message1->len + message2->len - i;
resMessage->alignment = malloc(resMessage->len * sizeof(unsigned char));
resMessage->mask = malloc(resMessage->len * sizeof(unsigned char));
resMessage->semanticTags = malloc(resMessage->len * sizeof(t_semanticTag *));
// default semantic tag is "None"
for (j=0; j<resMessage->len; j++) {
resMessage->semanticTags[j] = malloc(sizeof(t_semanticTag));
if (tmpMessageTags[i+j] == NULL || strcmp(tmpMessageTags[i+j]->name, "None") == 0) {
resMessage->semanticTags[j]->name = "None";
} else {
resMessage->semanticTags[j]->name = tmpMessageTags[i+j]->name;
}
//strcpy(resMessage->semanticTags[j]->name, tmpMessageTags[i+j]->name);
}
// TODO: (fgy) free resMessage.mask and resMessage.alignment
memcpy(resMessage->alignment, tmpMessage + i, resMessage->len);
memcpy(resMessage->mask, tmpMessageMask + i, resMessage->len);
// Compute the scores of similarity, using the resMessage
if (debugMode == TRUE) {
displayMessage(resMessage);
printf("Result : ");
for( i = 0; i < resMessage->len; i++) {
if(resMessage->mask[i] == EQUAL ) {
printf("%02x", (unsigned char) resMessage->alignment[i]);
} else if ( resMessage->mask[i] == END ) {
//printf("##");
} else {
printf("--");
}
}
printf("\n");
}
// COMPUTE THE SCORES
resMessage->score->s1 = getScoreRatio(resMessage);
resMessage->score->s2 = getScoreDynSize(nbDynTotal, nbDynCommon);
resMessage->score->s3 = scoreAlignment;
if (debugMode == TRUE) {
printf("Score ratio : %0.2f.\n", resMessage->score->s1);
printf("Score DynSize : %0.2f.\n", resMessage->score->s2);
printf("Score Rang : %0.2f.\n", resMessage->score->s3);
}
end:
// Room service
if(matrix) {
for (i = 0; i < (message1->len + 1); i++) {
if(matrix[i]) {
free(matrix[i]);
}
}
free(matrix);
}
if(contentMessage1) {
free(contentMessage1);
}
if(contentMessage2) {
free(contentMessage2);
}
if(maskMessage1) {
free(maskMessage1);
}
if(maskMessage2) {
free(maskMessage2);
}
if(mapMessage1) {
free(mapMessage1);
}
if(mapMessage2) {
free(mapMessage2);
}
if(tmpMessage) {
free(tmpMessage);
}
if(tmpMessageMask) {
free(tmpMessageMask);
}
if(tmpMessageTags) {
for (i = 0; i < message1->len + message2->len; i++) {
if(tmpMessageTags[i]) {
free(tmpMessageTags[i]);
}
}
free(tmpMessageTags);
}
return regex;
}
float getScoreRatio(t_message * message) {
// Computing score of the alignment
float nbDynamic = 0.0f;
float nbStatic = 0.0f;
Bool inDyn = FALSE;
int i=0;
float result = 0;
for (i = (message->len - 1); i >= 1; --i) {
if (message->mask[i] == END) {
break;
}
if (message->mask[i] == EQUAL) {
if (inDyn == TRUE) {
nbDynamic = nbDynamic + 1.0f;
inDyn = FALSE;
}
nbStatic = nbStatic + 1.0f;
} else if (message->mask[i] == DIFFERENT) {
inDyn = TRUE;
}
}
if (inDyn == TRUE)
nbDynamic = nbDynamic + 1.0f;
if(nbStatic == 0){
result = 0;
}
else {
result = 100.0 / (nbStatic + nbDynamic) * nbStatic;
}
return result;
}
float getScoreDynSize(unsigned int nbDynTotal, unsigned int nbDynCommon) {
// Compute score of common dynamic elements
float result = 0;
if(nbDynTotal == 0) {
result = 100;
}
else {
result = (100.0 - 1) / nbDynTotal * nbDynCommon;
}
return result;
}
/**
computeDistance:
This function computes a distance given a set of scores
@param score : the scores to merge
@return the distance
*/
float computeDistance(t_score * score) {
float result = 0;
result = sqrt((1.0 * pow(score->s1,2) + 1.0 * pow(score->s2,2) + 1.0 * pow(score->s3,2))/3.0);
return result;
}
short int getSimilarityScore(t_message * message1, t_message * message2, unsigned int i, unsigned j) {
short int result = 0;
char * msg1SemanticTag = "None";
char * msg2SemanticTag = "None";
//retrieve semantic token of messages
if (message1->semanticTags != NULL && i < message1->len && message1->semanticTags[i] != NULL && message1->semanticTags[i]->name != NULL) {
msg1SemanticTag = message1->semanticTags[i]->name;
}
if (message2->semanticTags != NULL && j < message2->len && message2->semanticTags[j] != NULL && message2->semanticTags[j]->name != NULL) {
msg2SemanticTag = message2->semanticTags[j]->name;
}
// Computes if its semanticaly close
if (strcmp(msg1SemanticTag, "None") != 0 && strcmp(msg1SemanticTag, msg2SemanticTag) == 0) {
result = SEMANTIC_MATCH;
}
if ( (message1->mask[i - 1] == 0) && (message2->mask[j - 1] == 0) && (message1->alignment[i - 1] == message2->alignment[j - 1])) {
result += MATCH;
} else {
result += MISMATCH;
}
return result;
}
void displayMessage(t_message * message) {
unsigned int i=0;
printf("Data : ");
for (i=0; i< message->len; i++) {
printf("%02x", (unsigned char) message->alignment[i]);
}
printf("\n");
printf("Tags : ");
for (i=0; i< message->len; i++) {
if (message->semanticTags != NULL && message->semanticTags[i] != NULL && message->semanticTags[i]->name != NULL && strcmp(message->semanticTags[i]->name, "None") != 0) {
printf("(%d)%s;", i, message->semanticTags[i]->name);
} else {
printf("..");
}
}
printf("\n");
}
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