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authorMatt Strapp <strap012@umn.edu>2020-11-18 06:47:32 -0600
committerMatt Strapp <strap012@umn.edu>2020-11-18 06:47:32 -0600
commit950546b6671ae1a80e5facb4828c15d779bb970f (patch)
tree72bee1f716809d113b65cb50a2ae2d5c5cb502ba /P3
parentadd to cache (diff)
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do some things
Diffstat (limited to '')
-rw-r--r--P3/server.c36
1 files changed, 26 insertions, 10 deletions
diff --git a/P3/server.c b/P3/server.c
index 027fc62..65da241 100644
--- a/P3/server.c
+++ b/P3/server.c
@@ -60,7 +60,15 @@ void * dynamic_pool_size_update(void *arg) {
// Function to check whether the given request is present in cache
int getCacheIndex(char *request){
/// return the index if the request is present in the cache
- return 0;
+ cache_entry_t *traverse = dynQ;
+ int index = 0;
+ while (traverse != NULL) {
+ if (!strcmp(request, traverse->request)) {
+ return index;
+ }
+ index++;
+ }
+ return -1;
}
// Function to add the request and its file content into the cache
@@ -71,19 +79,27 @@ void addIntoCache(char *mybuf, char *memory , int memory_size){
// clear the memory allocated to the cache
void deleteCache(){
+
+ request_t *tempReq = NULL;
+ while (Q != NULL) {
+ tempReq = Q;
+ Q = Q->next;
+ free(tempReq);
+ }
// De-allocate/free the cache memory
- free(Q);
- free(dynQ);
+ cache_entry_t *tempCache = NULL;
+ while (dynQ != NULL)
+ {
+ tempCache = dynQ;
+ dynQ = dynQ->next;
+ free(tempCache);
+ }
}
// Function to initialize the cache
void initCache(){
// Allocating memory and initializing the cache array
- dynQ = (cache_entry_t *) calloc(sizeof(cache_entry_t), cSiz);
- if (dynQ == NULL) {
- printf("malloc cannot allocate the initial requested memory.\n");
- exit(-2);
- }
+
}
/**********************************************************************************/
@@ -163,7 +179,7 @@ void * dispatch(void *arg) {
//Add things to queue. Lock & unlock to prevent a deadlock
pthread_mutex_lock(&Qlock);
- request_t * tempNode = (request_t*) calloc(1, sizeof(request_t *));
+ request_t * tempNode = (request_t*) calloc(1, sizeof(request_t));
char* dispatchBuf = (char *) malloc(BUFF_SIZE); // Buffer to store the requested filename
pthread_mutex_unlock(&Qlock);
@@ -336,7 +352,6 @@ int main(int argc, char **argv) {
pthread_t pThread;
pthread_create(&pThread, &attr, dynamic_pool_size_update, NULL); //TODO: possible arguments
}
-
//Server loop (RUNS FOREVER)
while (1) {
@@ -353,6 +368,7 @@ int main(int argc, char **argv) {
printf("There are %d pending requests left in the queue.\n", pendReqs);
// Remove cache (extra credit B)
deleteCache();
+ printf("Cache has been deleted.\n");
return 0;
}
}