int searchController(Graph graph, int start, int stop, int option) {
Dllist close;
Dllist node;
close = new_dllist();
switch(option) {
case BFS_SEARCH:
breathFirstSearch(graph, start, stop, close);
break;
case BFS_TRAVERSE:
traverseBFS(graph, start, close);
break;
case DFS_SEARCH:
deepFirstSearch(graph, start, stop, close);
break;
case DFS_TRAVERSE:
traverseDFS(graph, start, close);
break;
default:
printf("This is not an option\n");
free_dllist(close);
return;
}
node = dll_first(close);
printf("Visit %d\n", jval_i(node->val));
free_dllist(close);
}
main()
{
IS is;
Queue q;
Stack s;
Dllist l;
int i;
Jval j;
is = new_inputstruct(NULL);
while (get_line(is) > 0) {
q = new_queue();
s = new_stack();
l = new_dllist();
for (i = 0; i < strlen(is->fields[0]); i++) {
queue_enqueue(q, new_jval_c(is->fields[0][i]));
stack_push(s, new_jval_c(is->fields[0][i]));
dll_append(l, new_jval_c(is->fields[0][i]));
dll_prepend(l, new_jval_c(is->fields[0][i]));
}
while (!queue_empty(q)) {
j = queue_dequeue(q); printf("%c", j.c);
j = stack_pop(s); printf("%c", j.c);
printf("%c", l->flink->val.c); dll_delete_node(l->flink);
printf("%c", l->flink->val.c); dll_delete_node(l->flink);
printf(" ");
}
printf("\n");
free_queue(q);
free_stack(s);
free_dllist(l);
}
}
int deepFirstSearch(Graph graph, int start, int stop, Dllist close) {
Dllist node, stack;
JRB visited;
int output[100];
int temp;
int i, n;
visited = make_jrb();
stack = new_dllist();
dll_prepend(stack, new_jval_i(start));
while(!dll_empty(stack)) {
node = dll_first(stack);
temp = jval_i(node->val);
dll_delete_node(node);
if(jrb_find_int(visited, temp) == NULL) {
// reportFunc(temp);
dll_append(close, new_jval_i(temp));
jrb_insert_int(visited, temp, new_jval_i(temp));
if(compare(temp, stop) == 0) {
jrb_free_tree(visited);
free_dllist(stack);
return 1;
}
n = outdegree(graph, temp, output);
for(i = 0; i < n; i++) {
if(jrb_find_int(visited, output[i]) == NULL) {
dll_prepend(stack, new_jval_i(output[i]));
}
}
}
}
jrb_free_tree(visited);
free_dllist(stack);
return 0;
}
/* parseResult
* Parses a message containing the graph adjacency matrix
* Message format "[graphsize]:[graph adjacency matrix]"
*/
static void parseResult(char *pch) {
/* Get gsize */
pch = strtok(NULL, ":");
int gsize = atoi(pch);
/* Get Clique Count */
pch = strtok(NULL, ":");
int clCount = atoi(pch);
/* Get matrix */
pch = strtok(NULL, ":");
int *g = ChartoGraph(pch, gsize);
/* Verify integrity of g */
int realCount = CliqueCount(g, gsize);
/* Message is invalid */
if (realCount != clCount) {
fprintf(stderr, "Message could not be validated!\n");
fprintf(stderr, "Clique count from message: %d, actual clique count: %d!\n", clCount, realCount);
return;
}
/* Update scheduler */
if(clCount == 0) {
fprintf(stderr, "Counterexample successfully received!\n");
if(gsize > _Scheduler->currCEsize) { /* Found a counterexample */
/* Update Scheduler */
_Scheduler->currCEsize = gsize;
/* clear list and add new counterexample */
free_dllist(_Scheduler->counterExamples);
_Scheduler->counterExamples = new_dllist();
_Scheduler->listSize = 0;
addCounterExample(g);
/* Update current pointer */
_Scheduler->currPtr = dll_first(_Scheduler->counterExamples);
/*print only when save a counterexample*/
fprintf(stderr, "get a counterexample with bigger size, size: %d\n, currCEsize: %d\n", gsize, _Scheduler->currCEsize);
/* Save counterexample into a file */
SaveGraph(g,gsize, "../../../counterexamples");
}
/* Just add new counterexample */
else if(gsize == _Scheduler->currCEsize) {
fprintf(stderr, "Saving a counterexample with same size\n");
addCounterExample(g);
SaveGraph(g,gsize, "../../../counterexamples");
}
}
}
int solution(Graph graph, Jval start, Jval stop, Dllist stackVisit, Jval (*cloneFunc)(Jval),
int (*compare)(Jval, Jval), void (*reportFunc)(Jval)) {
Dllist stackRes;
Dllist node;
Jval nowNode, temp;
int counter = 0;
stackRes = new_dllist();
node = dll_first(stackVisit);
nowNode = cloneFunc(node->val);
dll_delete_node(node);
dll_prepend(stackRes, nowNode);
while(!dll_empty(stackVisit)) {
if(isAdjacent(graph, nowNode, start, compare)) {
dll_prepend(stackRes, start);
counter++;
break;
}
do {
node = dll_first(stackVisit);
temp = cloneFunc(node->val);
dll_delete_node(node);
if(isAdjacent(graph, nowNode, temp, compare)) {
dll_prepend(stackRes, temp);
nowNode = temp;
counter++;
break;
}
} while(!dll_empty(stackVisit));
}
printf("Solution: The shortest path between two node: \n");
while(!dll_empty(stackRes)) {
node = dll_first(stackRes);
reportFunc(node->val);
dll_delete_node(node);
}
free_dllist(stackVisit);
return counter;
}
void BFS(Graph graph, Jval start, Jval stop,
Jval (*cloneFunc)(Jval), int (*compare)(Jval, Jval), void (*reportFunc)(Jval)) {
Dllist node, queue;
JRB visited;
Jval *output;
Jval temp, tmp;
int i, n;
visited = make_jrb();
queue = new_dllist();
dll_append(queue, start);
if((output = myMalloc(sizeof(Jval), 100)) == NULL) {
return;
}
while(!dll_empty(queue)) {
node = dll_first(queue);
temp = cloneFunc(node->val);
dll_delete_node(node);
if(jrb_find_gen(visited, temp, compare) == NULL) {
reportFunc(temp);
jrb_insert_gen(visited, temp, temp, compare);
if(compare(temp, stop) == 0) {
jrb_free_tree(visited);
free_dllist(queue);
free(output);
return;
}
n = getAdjacentVertices(graph, temp, output, compare);
for(i = 0; i < n; i++) {
if(jrb_find_gen(visited, output[i], compare) == NULL) {
dll_append(queue, output[i]);
}
}
}
}
}
