You should have received a copy of the GNU Lesser General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
+
+#ifndef _LIBNFS_PRIVATE_H_
+#define _LIBNFS_PRIVATE_H_
+
+#ifdef HAVE_CONFIG_H
+#include "config.h" /* HAVE_SOCKADDR_STORAGE ? */
+#endif
+
+#ifndef WIN32
#include <sys/socket.h> /* struct sockaddr_storage */
+#endif
#include "libnfs-zdr.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(HAVE_SOCKADDR_STORAGE) && !defined(WIN32)
+/*
+ * RFC 2553: protocol-independent placeholder for socket addresses
+ */
+#define _SS_MAXSIZE 128
+#define _SS_ALIGNSIZE (sizeof(double))
+#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) * 2)
+#define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) * 2 - \
+ _SS_PAD1SIZE - _SS_ALIGNSIZE)
+
+struct sockaddr_storage {
+#ifdef HAVE_SOCKADDR_LEN
+ unsigned char ss_len; /* address length */
+ unsigned char ss_family; /* address family */
+#else
+ unsigned short ss_family;
+#endif
+ char __ss_pad1[_SS_PAD1SIZE];
+ double __ss_align; /* force desired structure storage alignment */
+ char __ss_pad2[_SS_PAD2SIZE];
+};
+#endif
+
+
struct rpc_fragment {
struct rpc_fragment *next;
uint64_t size;
};
#define RPC_CONTEXT_MAGIC 0xc6e46435
+#define RPC_PARAM_UNDEFINED -1
+
+/*
+ * Queue is singly-linked but we hold on to the tail
+ */
+struct rpc_queue {
+ struct rpc_pdu *head, *tail;
+};
+
+#define HASHES 1024
+#define NFS_RA_TIMEOUT 5
struct rpc_context {
- uint32_t magic;
+ uint32_t magic;
int fd;
int is_connected;
void *connect_data;
struct AUTH *auth;
- unsigned long xid;
+ uint32_t xid;
- /* buffer used for encoding RPC PDU */
- char *encodebuf;
- int encodebuflen;
+ /* buffer used for encoding RPC PDU */
+ char *encodebuf;
+ int encodebuflen;
- struct rpc_pdu *outqueue;
- struct sockaddr_storage udp_src;
- struct rpc_pdu *waitpdu;
+ struct rpc_queue outqueue;
+ struct sockaddr_storage udp_src;
+ struct rpc_queue waitpdu[HASHES];
- uint32_t inpos;
- uint32_t insize;
- char *inbuf;
+ uint32_t inpos;
+ uint32_t insize;
+ char *inbuf;
- /* special fields for UDP, which can sometimes be BROADCASTed */
- int is_udp;
- struct sockaddr *udp_dest;
- int is_broadcast;
+ /* special fields for UDP, which can sometimes be BROADCASTed */
+ int is_udp;
+ struct sockaddr *udp_dest;
+ int is_broadcast;
- /* track the address we connect to so we can auto-reconnect on session failure */
- struct sockaddr_storage s;
- int auto_reconnect;
+ /* track the address we connect to so we can auto-reconnect on session failure */
+ struct sockaddr_storage s;
+ int auto_reconnect;
/* fragment reassembly */
struct rpc_fragment *fragments;
+
+ /* parameters passable via URL */
+ int tcp_syncnt;
+ int uid;
+ int gid;
+ uint32_t readahead;
};
struct rpc_pdu {
struct rpc_pdu *next;
- unsigned long xid;
+ uint32_t xid;
ZDR zdr;
uint32_t written;
uint32_t zdr_decode_bufsize;
};
+void rpc_reset_queue(struct rpc_queue *q);
+void rpc_enqueue(struct rpc_queue *q, struct rpc_pdu *pdu);
+void rpc_return_to_queue(struct rpc_queue *q, struct rpc_pdu *pdu);
+unsigned int rpc_hash_xid(uint32_t xid);
+
struct rpc_pdu *rpc_allocate_pdu(struct rpc_context *rpc, int program, int version, int procedure, rpc_cb cb, void *private_data, zdrproc_t zdr_decode_fn, int zdr_bufsize);
void rpc_free_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu);
int rpc_queue_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu);
int rpc_process_pdu(struct rpc_context *rpc, char *buf, int size);
void rpc_error_all_pdus(struct rpc_context *rpc, char *error);
-void rpc_set_error(struct rpc_context *rpc, char *error_string, ...);
-void nfs_set_error(struct nfs_context *nfs, char *error_string, ...);
+void rpc_set_error(struct rpc_context *rpc, char *error_string, ...)
+#ifdef __GNUC__
+ __attribute__((format(printf, 2, 3)))
+#endif
+;
+
+void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
+#ifdef __GNUC__
+ __attribute__((format(printf, 2, 3)))
+#endif
+;
const char *nfs_get_server(struct nfs_context *nfs);
const char *nfs_get_export(struct nfs_context *nfs);
void rpc_set_autoreconnect(struct rpc_context *rpc);
void rpc_unset_autoreconnect(struct rpc_context *rpc);
+void rpc_set_tcp_syncnt(struct rpc_context *rpc, int v);
+void rpc_set_uid(struct rpc_context *rpc, int uid);
+void rpc_set_gid(struct rpc_context *rpc, int gid);
+void rpc_set_readahead(struct rpc_context *rpc, uint32_t v);
+
int rpc_add_fragment(struct rpc_context *rpc, char *data, uint64_t size);
void rpc_free_all_fragments(struct rpc_context *rpc);
const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !_LIBNFS_PRIVATE_H_ */