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authorMatt Strapp <strap012@umn.edu>2020-11-21 15:25:28 -0600
committerMatt Strapp <strap012@umn.edu>2020-11-21 15:25:28 -0600
commit0e5c19807fccb02ae9a74c93fdf09dae5f8d1f5f (patch)
tree31a19f986ac4f5ec003c1410c1e86f16a3afde97 /P3
parentit's borked (diff)
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change a thing or two
Diffstat (limited to '')
-rw-r--r--P3/server.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/P3/server.c b/P3/server.c
index 3f1ede1..71f120a 100644
--- a/P3/server.c
+++ b/P3/server.c
@@ -22,6 +22,7 @@
// Global variables
int port, workers, dispatchers, dynFlag, qLen, cSiz, cacheLength, wIndex = 0;
+int tempNodeCounter = 0, counter2 = 0;
pthread_t *wID;
char *path;
pthread_mutex_t Qlock, logLock, cacheLock;
@@ -150,9 +151,10 @@ void addIntoCache(char *mybuf, char *memory, int memory_size) {
free(temp->content);
free(temp->request);
free(temp);
+ free(silence);
cacheLength--;
pthread_mutex_unlock(&cacheLock);
- addIntoCache(mybuf, silence, memory_size);
+ addIntoCache(mybuf, memory, memory_size);
} else {
cache_entry_t *temp = (cache_entry_t*) calloc(1, sizeof(cache_entry_t));
temp->request = mybuf;
@@ -171,15 +173,19 @@ void addIntoCache(char *mybuf, char *memory, int memory_size) {
// clear the memory allocated to the cache
void deleteCache() {
request_t *tempReq = NULL;
+ pthread_mutex_lock(&Qlock);
while (Q != NULL)
{
tempReq = Q;
Q = Q->next;
free(tempReq->request);
free(tempReq);
+ tempNodeCounter--;
}
+ pthread_mutex_unlock(&Qlock);
// De-allocate/free the cache memory
cache_entry_t *tempCache = NULL;
+ pthread_mutex_lock(&cacheLock);
while (dynQ != NULL)
{
tempCache = dynQ;
@@ -188,6 +194,7 @@ void deleteCache() {
free(tempCache->request);
free(tempCache);
}
+ pthread_mutex_unlock(&cacheLock);
free(wID);
}
@@ -287,13 +294,15 @@ void *dispatch(void *arg)
if (traverse == NULL || traverse->next == NULL)
{
//Add things to queue. Lock & unlock to prevent a deadlock
-
- request_t *tempNode = (request_t *)calloc(1, sizeof(request_t));
+
+ request_t *tempNode = (request_t *)malloc(sizeof(request_t));
+ tempNodeCounter++;
char *dispatchBuf = (char *)malloc(BUFF_SIZE); // Buffer to store the requested filename
if (get_request(newReq, dispatchBuf) != 0)
{
pthread_mutex_unlock(&Qlock);
free(tempNode);
+ tempNodeCounter--;
free(dispatchBuf);
continue; // If get_request fails, try again
}
@@ -339,9 +348,9 @@ void *worker(void *arg)
pthread_mutex_unlock(&Qlock);
continue;
}
+ start_t = clock();
//Make copy of request and get rid of old one.
- request_t *request = NULL;
- request = (request_t *) malloc(sizeof(request_t));
+ request_t *request = (request_t *) malloc(sizeof(request_t));
request->fd = Q->fd;
request->request = Q->request;
Q = Q->next;
@@ -415,7 +424,7 @@ void *worker(void *arg)
free(workerBuf);
end_t = clock();
total_t = (double)(end_t - start_t) / CLOCKS_PER_SEC;
- printf("Total time taken by CPU: %ld\n", total_t);
+ // printf("Total time taken by CPU: %ld\n", total_t);
}
return NULL;
}
@@ -432,7 +441,7 @@ static void eggs(int signo)
}
int main(int argc, char **argv)
{
- start_t = clock();
+
// Error check on number of arguments
if (argc != 8)
{
@@ -555,6 +564,7 @@ int main(int argc, char **argv)
// Remove cache (extra credit B)
deleteCache();
printf("Cache has been deleted.\n");
+ printf("%d\n", tempNodeCounter);
return 0;
}
}