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-rw-r--r--util/cacheserver.c73
1 files changed, 46 insertions, 27 deletions
diff --git a/util/cacheserver.c b/util/cacheserver.c
index 14fe5909..cc0e36e3 100644
--- a/util/cacheserver.c
+++ b/util/cacheserver.c
@@ -2,9 +2,22 @@
#include <err.h>
#include <avltree.h>
-int acceptone(int port);
+int toaccept(int port);
void usage(void);
ssize_t Read(int fd, void *buf, size_t nbytes);
+ssize_t Write(int fd, void *BUF, size_t nbytes)
+{
+ char *buf = (char *)BUF;
+ size_t thisgot, totalgot = nbytes;
+ while( nbytes > 0 ){
+ if( (thisgot = write(fd, buf, nbytes)) <= 0 )
+ err(1, "read from socket: ");
+ nbytes -= thisgot;
+ buf += thisgot;
+ }
+ return totalgot;
+}
+
int main(int argc, char **argv)
{
@@ -16,7 +29,8 @@ int main(int argc, char **argv)
AVL_IX_DESC ix;
AVL_IX_REC pe;
OCstore_t *store;
- avl_create_index(&ix, AVL_COUNT_DUPS, OC_KEYLEN);
+ //avl_create_index(&ix, AVL_COUNT_DUPS, OC_KEYLEN);
+ avl_create_index(&ix, AVL_COUNT_DUPS, 5);
while( (ch = getopt(argc, argv, "p:")) != -1 )
switch( ch ){
@@ -27,8 +41,9 @@ int main(int argc, char **argv)
if( port == -1 )
usage();
- sfd = acceptone(port);
- while( Read(sfd, &len, sizeof(len)) > 0 ){
+ while( 1 ){
+ sfd = toaccept(port);
+ Read(sfd, &len, sizeof(len));
printf("reading %d bytes\n", len);
Read(sfd, &OCbuf, len);
printf("read! pid: %d\n", OCbuf.key.pid);
@@ -58,8 +73,8 @@ int main(int argc, char **argv)
store = (OCstore_t *)pe.recptr;
len = store->data.length + OC_HEADERLEN;
- write(sfd, &len, sizeof(len));
- write(sfd, &(store->data), len);
+ Write(sfd, &len, sizeof(len));
+ Write(sfd, &(store->data), len);
free(store);
if( avl_delete_key(&pe, &ix) != AVL_IX_OK )
puts("delete key error");
@@ -67,34 +82,38 @@ int main(int argc, char **argv)
else
puts("error");
}
+ close(sfd);
}
return 0;
}
-int acceptone(int port)
+int toaccept(int port)
{
- int sockfd, val, cfd, len;
+ static int sockfd = 0, len;
+ int cfd, val;
struct sockaddr_in servaddr, clientaddr;
+
+ if( sockfd == 0 ){
+ if( (sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0 )
+ err(1, NULL);
+ setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val));
+ setsockopt(sockfd, SOL_SOCKET, SO_REUSEPORT, (char *)&val, sizeof(val));
+
+ bzero(&servaddr, sizeof(servaddr));
+ servaddr.sin_family = AF_INET;
+ servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
+ servaddr.sin_port = htons(port);
+ if( bind(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0 )
+ err(1, NULL);
+ if( listen(sockfd, 5) < 0 )
+ err(1, NULL);
+
+ len = sizeof(struct sockaddr_in);
+ }
- if( (sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0 )
- err(1, NULL);
- setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val));
-
- bzero(&servaddr, sizeof(servaddr));
- servaddr.sin_family = AF_INET;
- servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
- servaddr.sin_port = htons(port);
- if( bind(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0 )
- err(1, NULL);
- if( listen(sockfd, 5) < 0 )
- err(1, NULL);
-
- len = sizeof(struct sockaddr_in);
-
- if( (cfd = accept(sockfd, (struct sockaddr *)&clientaddr, &len)) < 0 )
- err(1, NULL);
+ while( (cfd = accept(sockfd, (struct sockaddr *)&clientaddr, &len)) <= 0 )
+ ;
- close(sockfd);
return cfd;
}
@@ -109,7 +128,7 @@ void usage(void)
ssize_t Read(int fd, void *BUF, size_t nbytes)
{
char *buf = (char *)BUF;
- size_t thisgot, totalgot = nbytes;
+ ssize_t thisgot, totalgot = nbytes;
while( nbytes > 0 ){
if( (thisgot = read(fd, buf, nbytes)) <= 0 )
err(1, "read from socket: ");