Use function from 2-1 for local uuid generation

[netatalk.git] / etc / cnid_dbd / comm.c

diff --git a/etc/cnid_dbd/comm.c b/etc/cnid_dbd/comm.c
index 853e0e9f47acf3b642736769e177bcd5d5d03529..89355d767b8c0072a01d42763a935850b03e5a9c 100644 (file)
--- a/etc/cnid_dbd/comm.c
+++ b/etc/cnid_dbd/comm.c
@@ -1,7 +1,7 @@
 /*
- * $Id: comm.c,v 1.3 2009-04-21 08:55:44 franklahm Exp $
- *
  * Copyright (C) Joerg Lenneis 2003
+ * Copyright (C) Frank Lahm 2010
+ *
  * All Rights Reserved.  See COPYING.
  */
 
@@ -13,36 +13,19 @@
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
-
-#ifdef HAVE_UNISTD_H
 #include <unistd.h>
-#endif
-
 #include <sys/param.h>
-#define _XPG4_2 1
-#include <sys/socket.h>
-
-#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
-#endif
-
-#ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
-#endif
-
-#ifdef HAVE_SYS_UIO_H
 #include <sys/uio.h>
-#endif
-
-#ifdef HAVE_SYS_SOCKET_H
+#define _XPG4_2 1
 #include <sys/socket.h>
-#endif
-
-
+#include <sys/select.h>
 #include <assert.h>
 #include <time.h>
 
 #include <atalk/logger.h>
+#include <atalk/util.h>
 #include <atalk/cnid_dbd_private.h>
 
 #include "db_param.h"
@@ -141,11 +124,11 @@ static int recv_cred(int fd)
  *  things and clean up fd_table. The same happens for any read/write errors.
  */
 
-static int check_fd()
+static int check_fd(time_t timeout, const sigset_t *sigmask, time_t *now)
 {
     int fd;
     fd_set readfds;
-    struct timeval tv;
+    struct timespec tv;
     int ret;
     int i;
     int maxfd = control_fd;
@@ -160,19 +143,22 @@ static int check_fd()
             maxfd = fd_table[i].fd;
     }
 
-    tv.tv_usec = 0;
-    tv.tv_sec  = 1;
-    if ((ret = select(maxfd + 1, &readfds, NULL, NULL, &tv)) < 0) {
+    tv.tv_nsec = 0;
+    tv.tv_sec  = timeout;
+    if ((ret = pselect(maxfd + 1, &readfds, NULL, NULL, &tv, sigmask)) < 0) {
         if (errno == EINTR)
             return 0;
         LOG(log_error, logtype_cnid, "error in select: %s",strerror(errno));
         return -1;
     }
 
+    time(&t);
+    if (now)
+        *now = t;
+
     if (!ret)
         return 0;
 
-    time(&t);
 
     if (FD_ISSET(control_fd, &readfds)) {
         int    l = 0;
@@ -250,18 +236,27 @@ int comm_nbe(void)
 }
 
 /* ------------ */
-int comm_rcv(struct cnid_dbd_rqst *rqst)
+int comm_rcv(struct cnid_dbd_rqst *rqst, time_t timeout, const sigset_t *sigmask, time_t *now)
 {
     char *nametmp;
     int b;
 
-    if ((cur_fd = check_fd()) < 0)
+    if ((cur_fd = check_fd(timeout, sigmask, now)) < 0)
         return -1;
 
     if (!cur_fd)
         return 0;
+
+    LOG(log_maxdebug, logtype_cnid, "comm_rcv: got data on fd %u", cur_fd);
+
+    if (setnonblock(cur_fd, 1) != 0) {
+        LOG(log_error, logtype_cnid, "comm_rcv: setnonblock: %s", strerror(errno));
+        return -1;
+    }
+
     nametmp = rqst->name;
-    if ((b = read(cur_fd, rqst, sizeof(struct cnid_dbd_rqst))) != sizeof(struct cnid_dbd_rqst)) {
+    if ((b = readt(cur_fd, rqst, sizeof(struct cnid_dbd_rqst), 1, CNID_DBD_TIMEOUT))
+        != sizeof(struct cnid_dbd_rqst)) {
         if (b)
             LOG(log_error, logtype_cnid, "error reading message header: %s", strerror(errno));
         invalidate_fd(cur_fd);
@@ -269,7 +264,8 @@ int comm_rcv(struct cnid_dbd_rqst *rqst)
         return 0;
     }
     rqst->name = nametmp;
-    if (rqst->namelen && read(cur_fd, rqst->name, rqst->namelen) != rqst->namelen) {
+    if (rqst->namelen && readt(cur_fd, rqst->name, rqst->namelen, 1, CNID_DBD_TIMEOUT)
+        != rqst->namelen) {
         LOG(log_error, logtype_cnid, "error reading message name: %s", strerror(errno));
         invalidate_fd(cur_fd);
         return 0;
@@ -278,6 +274,8 @@ int comm_rcv(struct cnid_dbd_rqst *rqst)
        needs zero terminated strings. */
     rqst->name[rqst->namelen] = '\0';
 
+    LOG(log_maxdebug, logtype_cnid, "comm_rcv: got %u bytes", b + rqst->namelen);
+
     return 1;
 }