add readahead support

[deb_libnfs.git] / lib / init.c

diff --git a/lib/init.c b/lib/init.c
index 7f4a8db190649d19c4386842955cc6c9b4574382..99ec1596e5927be44eaf358b17abf0d2176644fc 100644 (file)
--- a/lib/init.c
+++ b/lib/init.c
@@ -49,6 +49,7 @@ struct rpc_context *rpc_init_context(void)
 {
        struct rpc_context *rpc;
        static uint32_t salt = 0;
+       unsigned int i;
 
        rpc = malloc(sizeof(struct rpc_context));
        if (rpc == NULL) {
@@ -75,10 +76,27 @@ struct rpc_context *rpc_init_context(void)
        rpc->xid = salt + time(NULL) + getpid() << 16;
        salt += 0x01000000;
        rpc->fd = -1;
+       rpc->tcp_syncnt = RPC_PARAM_UNDEFINED;
+#if defined(WIN32) || defined(ANDROID)
+       rpc->uid = 65534;
+       rpc->gid = 65534;
+#else
+       rpc->uid = getuid();
+       rpc->gid = getgid();
+#endif
+       rpc_reset_queue(&rpc->outqueue);
+       for (i = 0; i < HASHES; i++)
+               rpc_reset_queue(&rpc->waitpdu[i]);
 
        return rpc;
 }
 
+void rpc_set_readahead(struct rpc_context *rpc, uint32_t v)
+{
+       assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+       rpc->readahead = v;
+}
 
 struct rpc_context *rpc_init_udp_context(void)
 {
@@ -102,20 +120,40 @@ void rpc_set_auth(struct rpc_context *rpc, struct AUTH *auth)
        rpc->auth = auth;
 }
 
+static void rpc_set_uid_gid(struct rpc_context *rpc, int uid, int gid) {
+       if (uid != rpc->uid || gid != rpc->gid) {
+               struct AUTH *auth = libnfs_authunix_create("libnfs", uid, gid, 0, NULL);
+               if (auth != NULL) {
+                       rpc_set_auth(rpc, auth);
+                       rpc->uid = uid;
+                       rpc->gid = gid;
+               }
+       }
+}
+
+void rpc_set_uid(struct rpc_context *rpc, int uid) {
+       rpc_set_uid_gid(rpc, uid, rpc->gid);
+}
+
+void rpc_set_gid(struct rpc_context *rpc, int gid) {
+       rpc_set_uid_gid(rpc, rpc->uid, gid);
+}
 
 void rpc_set_error(struct rpc_context *rpc, char *error_string, ...)
 {
         va_list ap;
+       char *old_error_string = rpc->error_string;
 
        assert(rpc->magic == RPC_CONTEXT_MAGIC);
 
-       if (rpc->error_string != NULL) {
-               free(rpc->error_string);
-       }
         va_start(ap, error_string);
        rpc->error_string = malloc(1024);
        vsnprintf(rpc->error_string, 1024, error_string, ap);
         va_end(ap);
+
+       if (old_error_string != NULL) {
+               free(old_error_string);
+       }
 }
 
 char *rpc_get_error(struct rpc_context *rpc)
@@ -127,19 +165,27 @@ char *rpc_get_error(struct rpc_context *rpc)
 
 void rpc_error_all_pdus(struct rpc_context *rpc, char *error)
 {
-       struct rpc_pdu *pdu;
+       struct rpc_pdu *pdu, *next;
+       unsigned int i;
 
        assert(rpc->magic == RPC_CONTEXT_MAGIC);
 
-       while((pdu = rpc->outqueue) != NULL) {
+       while ((pdu = rpc->outqueue.head) != NULL) {
                pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data);
-               SLIST_REMOVE(&rpc->outqueue, pdu);
+               rpc->outqueue.head = pdu->next;
                rpc_free_pdu(rpc, pdu);
        }
-       while((pdu = rpc->waitpdu) != NULL) {
-               pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data);
-               SLIST_REMOVE(&rpc->waitpdu, pdu);
-               rpc_free_pdu(rpc, pdu);
+       rpc->outqueue.tail = NULL;
+
+       for (i = 0; i < HASHES; i++) {
+               struct rpc_queue *q = &rpc->waitpdu[i];
+
+               while((pdu = q->head) != NULL) {
+                       pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data);
+                       q->head = pdu->next;
+                       rpc_free_pdu(rpc, pdu);
+               }
+               q->tail = NULL;
        }
 }
 
@@ -158,7 +204,7 @@ void rpc_free_all_fragments(struct rpc_context *rpc)
        while (rpc->fragments != NULL) {
              struct rpc_fragment *fragment = rpc->fragments;
 
-             SLIST_REMOVE(&rpc->fragments, fragment);
+             rpc->fragments = fragment->next;
              rpc_free_fragment(fragment);
        }
 }
@@ -182,25 +228,31 @@ int rpc_add_fragment(struct rpc_context *rpc, char *data, uint64_t size)
        }
 
        memcpy(fragment->data, data, fragment->size);
-       SLIST_ADD_END(&rpc->fragments, fragment);
+       LIBNFS_LIST_ADD_END(&rpc->fragments, fragment);
        return 0;
 }
 
 void rpc_destroy_context(struct rpc_context *rpc)
 {
        struct rpc_pdu *pdu;
+       unsigned int i;
 
        assert(rpc->magic == RPC_CONTEXT_MAGIC);
 
-       while((pdu = rpc->outqueue) != NULL) {
+       while((pdu = rpc->outqueue.head) != NULL) {
                pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data);
-               SLIST_REMOVE(&rpc->outqueue, pdu);
+               rpc->outqueue.head = pdu->next;
                rpc_free_pdu(rpc, pdu);
        }
-       while((pdu = rpc->waitpdu) != NULL) {
-               pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data);
-               SLIST_REMOVE(&rpc->waitpdu, pdu);
-               rpc_free_pdu(rpc, pdu);
+
+       for (i = 0; i < HASHES; i++) {
+               struct rpc_queue *q = &rpc->waitpdu[i];
+
+               while((pdu = q->head) != NULL) {
+                       pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data);
+                       rpc->outqueue.head = pdu->next;
+                       rpc_free_pdu(rpc, pdu);
+               }
        }
 
        rpc_free_all_fragments(rpc);