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authorRaghavendra G <raghavendra@gluster.com>2009-11-18 01:14:24 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-11-18 21:13:46 -0800
commitd779e00360e7a30d721b3c2d8d94d198e5aa2cc0 (patch)
tree5be67d6123edbc442b5fce0647ee90498d1cc679 /libglusterfsclient
parent43ffa430d64117e8864d38cf19202369d4809c6d (diff)
libglusterfsclient: implement glusterfs_chdir.
Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 369 (Samba does not work with booster.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=369
Diffstat (limited to 'libglusterfsclient')
-rwxr-xr-xlibglusterfsclient/src/libglusterfsclient.c117
-rwxr-xr-xlibglusterfsclient/src/libglusterfsclient.h9
2 files changed, 126 insertions, 0 deletions
diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c
index f393037..a6f09e9 100755
--- a/libglusterfsclient/src/libglusterfsclient.c
+++ b/libglusterfsclient/src/libglusterfsclient.c
@@ -86,6 +86,10 @@ pthread_mutex_t vmplock = PTHREAD_MUTEX_INITIALIZER;
*/
pthread_mutex_t mountlock = PTHREAD_MUTEX_INITIALIZER;
+static char cwd[PATH_MAX];
+static char cwd_inited = 0;
+static pthread_mutex_t cwdlock = PTHREAD_MUTEX_INITIALIZER;
+
char *
libgf_vmp_virtual_path(struct vmp_entry *entry, char *path, char *vpath)
{
@@ -1063,6 +1067,8 @@ glusterfs_init (glusterfs_init_params_t *init_ctx, uint32_t fakefsid)
uint32_t xl_count = 0;
loc_t new_loc = {0, };
struct timeval tv = {0, };
+ uint32_t len = 0;
+ char buf[PATH_MAX];
if (!init_ctx || (!init_ctx->specfile && !init_ctx->specfp)) {
errno = EINVAL;
@@ -1148,6 +1154,43 @@ glusterfs_init (glusterfs_init_params_t *init_ctx, uint32_t fakefsid)
if (first_init)
{
+ memset (buf, 0, PATH_MAX);
+
+ if (getcwd (buf, PATH_MAX) == NULL) {
+ fprintf (stderr, "libglusterfsclient: cannot get "
+ "current working directory (%s)",
+ strerror (errno));
+ FREE (ctx->gf_ctx.cmd_args.log_file);
+ FREE (ctx->gf_ctx.pool);
+ FREE (ctx->gf_ctx.event_pool);
+ FREE (ctx);
+ return NULL;
+ }
+
+ len = strlen (buf);
+ if ((buf[len - 1] != '/')) {
+ if ((len + 2) > PATH_MAX) {
+ errno = ENAMETOOLONG;
+ fprintf (stderr, "libglusterfsclient: cannot"
+ "get current working directory (%s)",
+ strerror (errno));
+ FREE (ctx->gf_ctx.cmd_args.log_file);
+ FREE (ctx->gf_ctx.pool);
+ FREE (ctx->gf_ctx.event_pool);
+ FREE (ctx);
+ return NULL;
+ }
+
+ strcat (buf, "/");
+ }
+
+ pthread_mutex_lock (&cwdlock);
+ {
+ strcpy (cwd, buf);
+ cwd_inited = 1;
+ }
+ pthread_mutex_unlock (&cwdlock);
+
ret = gf_log_init (ctx->gf_ctx.cmd_args.log_file);
if (ret == -1) {
fprintf (stderr,
@@ -7601,6 +7644,80 @@ out:
}
+int
+libgf_client_chdir (const char *path)
+{
+ int op_ret = 0;
+ uint32_t resulting_cwd_len = 0;
+
+ pthread_mutex_lock (&cwdlock);
+ {
+ if (!libgf_path_absolute (path)) {
+ resulting_cwd_len = strlen (path) + strlen (cwd)
+ + ((path[strlen (path) - 1] == '/')
+ ? 0 : 1) + 1;
+
+ if (resulting_cwd_len > PATH_MAX) {
+ op_ret = -1;
+ errno = ENAMETOOLONG;
+ goto unlock;
+ }
+ strcat (cwd, path);
+ } else {
+ resulting_cwd_len = strlen (path)
+ + ((path[strlen (path) - 1] == '/')
+ ? 0 : 1) + 1;
+
+ if (resulting_cwd_len > PATH_MAX) {
+ op_ret = -1;
+ errno = ENAMETOOLONG;
+ goto unlock;
+ }
+
+ strcpy (cwd, path);
+ }
+
+ if (cwd[strlen (cwd) - 1] != '/') {
+ strcat (cwd, "/");
+ }
+ }
+unlock:
+ pthread_mutex_unlock (&cwdlock);
+
+ return op_ret;
+}
+
+
+int
+glusterfs_chdir (const char *path)
+{
+ int32_t op_ret = -1;
+ glusterfs_handle_t handle = NULL;
+ loc_t loc = {0, };
+ char vpath[PATH_MAX];
+
+ handle = libgf_resolved_path_handle (path, vpath);
+
+ if (handle != NULL) {
+ loc.path = strdup (vpath);
+ if (!loc.path) {
+ gf_log (LIBGF_XL_NAME, GF_LOG_ERROR, "Path compaction "
+ "failed");
+ goto out;
+ }
+
+ op_ret = libgf_client_path_lookup (&loc, handle, 0);
+ }
+
+ if ((handle == NULL) || (op_ret == 0)) {
+ libgf_client_chdir (path);
+ }
+
+out:
+ return op_ret;
+}
+
+
static struct xlator_fops libgf_client_fops = {
};
diff --git a/libglusterfsclient/src/libglusterfsclient.h b/libglusterfsclient/src/libglusterfsclient.h
index fbc0206..2486dd7 100755
--- a/libglusterfsclient/src/libglusterfsclient.h
+++ b/libglusterfsclient/src/libglusterfsclient.h
@@ -1305,6 +1305,15 @@ glusterfs_sendfile (int out_fd, glusterfs_file_t in_fd, off_t *offset,
int
glusterfs_fcntl (glusterfs_file_t fd, int cmd, ...);
+/*
+ * Change the current working directory to @path
+ *
+ * @path : path to change the current working directory to.
+ *
+ * Returns 0 on success and -1 on failure with errno set appropriately.
+ */
+int
+glusterfs_chdir (const char *path);
/* FIXME: review the need for these apis */
/* added for log related initialization in booster fork implementation */