gfapi: API/library for accessing gluster volumes

Change-Id: Ie4cbcf91b58218bebf23cf951c313aceeb29f311
BUG: 839950
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.com/3664
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
Reviewed-by: Bharata B Rao <bharata.rao@gmail.com>

1 files changed, 74 insertions, 0 deletions

diff --git a/api/src/glfs-internal.h b/api/src/glfs-internal.h
new file mode 100644
index 00000000000..967be475cce
--- /dev/null
+++ b/api/src/glfs-internal.h
@@ -0,0 +1,74 @@
+/*
+  Copyright (c) 2012 Red Hat, Inc. <http://www.redhat.com>
+  This file is part of GlusterFS.
+
+  This file is licensed to you under your choice of the GNU Lesser
+  General Public License, version 3 or any later version (LGPLv3 or
+  later), or the GNU General Public License, version 2 (GPLv2), in all
+  cases as published by the Free Software Foundation.
+*/
+
+
+#ifndef _GLFS_INTERNAL_H
+#define _GLFS_INTERNAL_H
+
+#include "xlator.h"
+
+struct glfs;
+
+typedef int (*glfs_init_cbk) (struct glfs *fs, int ret);
+
+struct glfs {
+	char               *volname;
+
+	glusterfs_ctx_t    *ctx;
+
+	pthread_t           poller;
+
+	glfs_init_cbk       init_cbk;
+	pthread_mutex_t     mutex;
+	pthread_cond_t      cond;
+	int                 init;
+	int                 ret;
+
+	xlator_t           *active_subvol;
+};
+
+struct glfs_fd {
+	off_t     offset;
+	fd_t     *fd;
+};
+
+#define DEFAULT_EVENT_POOL_SIZE           16384
+#define GF_MEMPOOL_COUNT_OF_DICT_T        4096
+#define GF_MEMPOOL_COUNT_OF_DATA_T        (GF_MEMPOOL_COUNT_OF_DICT_T * 4)
+#define GF_MEMPOOL_COUNT_OF_DATA_PAIR_T   (GF_MEMPOOL_COUNT_OF_DICT_T * 4)
+
+int glfs_mgmt_init (struct glfs *fs);
+void glfs_init_done (struct glfs *fs, int ret);
+int glfs_process_volfp (struct glfs *fs, FILE *fp);
+int glfs_resolve (struct glfs *fs, xlator_t *subvol, const char *path, loc_t *loc,
+		  struct iatt *iatt);
+void glfs_first_lookup (xlator_t *subvol);
+
+static inline void
+__glfs_entry_fs (struct glfs *fs)
+{
+	THIS = fs->ctx->master;
+}
+
+
+static inline void
+__glfs_entry_fd (struct glfs_fd *fd)
+{
+	THIS = fd->fd->inode->table->xl->ctx->master;
+}
+
+
+void glfs_fd_destroy (struct glfs_fd *glfd);
+
+xlator_t * glfs_fd_subvol (struct glfs_fd *glfd);
+
+xlator_t * glfs_active_subvol (struct glfs *fs);
+
+#endif /* !_GLFS_INTERNAL_H */