break out the loop for sending a NFSd probe bcast on every interface into a separate...
authorRonnie Sahlberg <ronniesahlberg@gmail.com>
Sat, 16 Jul 2011 07:27:12 +0000 (17:27 +1000)
committerRonnie Sahlberg <ronniesahlberg@gmail.com>
Sat, 16 Jul 2011 07:27:12 +0000 (17:27 +1000)
lib/libnfs-sync.c

index 0a57c7b97e562c1844fd0b183271d1ff8fea2b7f..4e83b5b33e7557ebb91a7143aaed2c78cf85e563 100644 (file)
@@ -1201,47 +1201,11 @@ void callit_cb(struct rpc_context *rpc, int status, void *data _U_, void *privat
        srv_data->srvrs = srvr;
 }
 
-struct nfs_server_list *nfs_find_local_servers(void)
+static int send_nfsd_probes(struct rpc_context *rpc, struct ifconf *ifc, struct nfs_list_data *data)
 {
-       struct rpc_context *rpc;
-       struct nfs_list_data data = {0, NULL};
-       struct timeval tv_start, tv_current;
-       struct ifconf ifc;
-       int size;
-       struct pollfd pfd;
        char *ptr;
 
-       rpc = rpc_init_udp_context();
-       if (rpc == NULL) {
-               return NULL;
-       }
-
-       if (rpc_bind_udp(rpc, "0.0.0.0", 0) < 0) {
-               rpc_destroy_context(rpc);
-               return NULL;
-       }
-
-
-       /* get list of all interfaces */
-       size = sizeof(struct ifreq);
-       ifc.ifc_buf = NULL;
-       ifc.ifc_len = size;
-
-       while(ifc.ifc_len > (size - sizeof(struct ifreq))) {
-               size *= 2;
-
-               free(ifc.ifc_buf);      
-               ifc.ifc_len = size;
-               ifc.ifc_buf = malloc(size);
-               memset(ifc.ifc_buf, 0, size);
-               if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) {
-                       rpc_destroy_context(rpc);
-                       free(ifc.ifc_buf);      
-                       return NULL;
-               }
-       }       
-
-       for (ptr =(char *)ifc.ifc_buf; ptr < ((char *)ifc.ifc_buf) + ifc.ifc_len; ) {
+       for (ptr =(char *)(ifc->ifc_buf); ptr < (char *)(ifc->ifc_buf) + ifc->ifc_len; ) {
                struct ifreq *ifr;
                char bcdd[16];
 
@@ -1260,9 +1224,7 @@ struct nfs_server_list *nfs_find_local_servers(void)
                        continue;
                }
                if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, ifr) < 0) {
-                       rpc_destroy_context(rpc);
-                       free(ifc.ifc_buf);      
-                       return NULL;
+                       return -1;
                }
                if (!(ifr->ifr_flags & IFF_UP)) {
                        continue;
@@ -1280,18 +1242,61 @@ struct nfs_server_list *nfs_find_local_servers(void)
                        continue;
                }
                if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0) {
-                       rpc_destroy_context(rpc);
-                       free(ifc.ifc_buf);      
-                       return NULL;
+                       return -1;
+               }
+
+               if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, callit_cb, data) < 0) {
+                       return -1;
                }
+       }
+
+       return 0;
+}
+
+struct nfs_server_list *nfs_find_local_servers(void)
+{
+       struct rpc_context *rpc;
+       struct nfs_list_data data = {0, NULL};
+       struct timeval tv_start, tv_current;
+       struct ifconf ifc;
+       int size;
+       struct pollfd pfd;
+
+       rpc = rpc_init_udp_context();
+       if (rpc == NULL) {
+               return NULL;
+       }
+
+       if (rpc_bind_udp(rpc, "0.0.0.0", 0) < 0) {
+               rpc_destroy_context(rpc);
+               return NULL;
+       }
+
 
-               if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, callit_cb, &data) < 0) {
+       /* get list of all interfaces */
+       size = sizeof(struct ifreq);
+       ifc.ifc_buf = NULL;
+       ifc.ifc_len = size;
+
+       while(ifc.ifc_len > (size - sizeof(struct ifreq))) {
+               size *= 2;
+
+               free(ifc.ifc_buf);      
+               ifc.ifc_len = size;
+               ifc.ifc_buf = malloc(size);
+               memset(ifc.ifc_buf, 0, size);
+               if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) {
                        rpc_destroy_context(rpc);
                        free(ifc.ifc_buf);      
                        return NULL;
                }
+       }       
+
+       if (send_nfsd_probes(rpc, &ifc, &data) != 0) {
+               rpc_destroy_context(rpc);
+               free(ifc.ifc_buf);      
+               return NULL;
        }
-       free(ifc.ifc_buf);      
 
        gettimeofday(&tv_start, NULL);
        for(;;) {
@@ -1319,6 +1324,7 @@ struct nfs_server_list *nfs_find_local_servers(void)
                }
        }
 
+       free(ifc.ifc_buf);      
        rpc_destroy_context(rpc);
 
        if (data.status != 0) {