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-rw-r--r--xlators/protocol/server/src/server.h203
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diff --git a/xlators/protocol/server/src/server.h b/xlators/protocol/server/src/server.h
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+/*
+ Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SERVER_H
+#define _SERVER_H
+
+#include <pthread.h>
+
+#include "rpcsvc.h"
+
+#include "fd.h"
+#include "protocol-common.h"
+
+#include "server-mem-types.h"
+
+#define DEFAULT_BLOCK_SIZE 4194304 /* 4MB */
+#define DEFAULT_VOLUME_FILE_PATH CONFDIR "/glusterfs.vol"
+
+typedef struct _server_state server_state_t;
+
+struct _locker {
+ struct list_head lockers;
+ char *volume;
+ loc_t loc;
+ fd_t *fd;
+ pid_t pid;
+};
+
+struct _lock_table {
+ struct list_head file_lockers;
+ struct list_head dir_lockers;
+ gf_lock_t lock;
+ size_t count;
+};
+
+
+/* private structure per connection (transport object)
+ * used as transport_t->xl_private
+ */
+struct _server_connection {
+ struct list_head list;
+ char *id;
+ int ref;
+ int active_transports;
+ pthread_mutex_t lock;
+ char disconnected;
+ fdtable_t *fdtable;
+ struct _lock_table *ltable;
+ xlator_t *bound_xl;
+ xlator_t *this;
+};
+
+typedef struct _server_connection server_connection_t;
+
+
+server_connection_t *
+server_connection_get (xlator_t *this, const char *id);
+
+void
+server_connection_put (xlator_t *this, server_connection_t *conn);
+
+int
+server_connection_destroy (xlator_t *this, server_connection_t *conn);
+
+int
+server_connection_cleanup (xlator_t *this, server_connection_t *conn);
+
+int server_null (rpcsvc_request_t *req);
+
+struct _volfile_ctx {
+ struct _volfile_ctx *next;
+ char *key;
+ uint32_t checksum;
+};
+
+struct server_conf {
+ rpcsvc_t *rpc;
+ struct rpcsvc_config rpc_conf;
+ int inode_lru_limit;
+ gf_boolean_t verify_volfile;
+ gf_boolean_t trace;
+ char *conf_dir;
+ struct _volfile_ctx *volfile;
+
+ dict_t *auth_modules;
+ pthread_mutex_t mutex;
+ struct list_head conns;
+};
+typedef struct server_conf server_conf_t;
+
+
+typedef enum {
+ RESOLVE_MUST = 1,
+ RESOLVE_NOT,
+ RESOLVE_MAY,
+ RESOLVE_DONTCARE,
+ RESOLVE_EXACT
+} server_resolve_type_t;
+
+
+struct resolve_comp {
+ char *basename;
+ ino_t ino;
+ uint64_t gen;
+ inode_t *inode;
+};
+
+typedef struct {
+ server_resolve_type_t type;
+ uint64_t fd_no;
+ ino_t ino;
+ uint64_t gen;
+ ino_t par;
+ char *path;
+ char *bname;
+ char *resolved;
+ int op_ret;
+ int op_errno;
+ loc_t deep_loc;
+ struct resolve_comp *components;
+ int comp_count;
+} server_resolve_t;
+
+
+typedef int (*server_resume_fn_t) (call_frame_t *frame, xlator_t *bound_xl);
+
+int
+resolve_and_resume (call_frame_t *frame, server_resume_fn_t fn);
+
+struct _server_state {
+ server_connection_t *conn;
+ rpc_transport_t *xprt;
+ inode_table_t *itable;
+
+ server_resume_fn_t resume_fn;
+
+ loc_t loc;
+ loc_t loc2;
+ server_resolve_t resolve;
+ server_resolve_t resolve2;
+
+ /* used within resolve_and_resume */
+ loc_t *loc_now;
+ server_resolve_t *resolve_now;
+
+ struct iatt stbuf;
+ int valid;
+
+ fd_t *fd;
+ int flags;
+ int wbflags;
+ struct iobuf *iobuf;
+ struct iobref *iobref;
+
+ size_t size;
+ off_t offset;
+ mode_t mode;
+ dev_t dev;
+ size_t nr_count;
+ int cmd;
+ int type;
+ char *name;
+ int name_len;
+
+ int mask;
+ char is_revalidate;
+ dict_t *dict;
+ struct flock flock;
+ const char *volume;
+ dir_entry_t *entry;
+};
+
+extern struct rpcsvc_program gluster_handshake_prog;
+extern struct rpcsvc_program glusterfs3_1_fop_prog;
+extern struct rpcsvc_program gluster_ping_prog;
+
+typedef ssize_t (*gfs_serialize_t) (struct iovec outmsg, void *args);
+
+int
+server_submit_reply (call_frame_t *frame, rpcsvc_request_t *req, void *arg,
+ struct iovec *payload, int payloadcount,
+ struct iobref *iobref, gfs_serialize_t sfunc);
+
+int xdr_to_glusterfs_req (rpcsvc_request_t *req, void *arg,
+ gfs_serialize_t sfunc);
+
+#endif /* !_SERVER_H */