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authorAmar Tumballi <amar@gluster.com>2010-05-04 00:37:01 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-05-03 23:40:10 -0700
commit7840d9de272ef2f24c4c755a857ad8ae06703b55 (patch)
tree6d212b7d72f00605b80503508c146b205280208c /xlators/protocol/lib
parentf75b76350747f5f58a4bbe704915c74979cc5ac3 (diff)
frame's 'op', 'type' restructured
Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875
Diffstat (limited to 'xlators/protocol/lib')
-rw-r--r--xlators/protocol/lib/src/Makefile.am4
-rw-r--r--xlators/protocol/lib/src/protocol.c108
-rw-r--r--xlators/protocol/lib/src/protocol.h171
3 files changed, 198 insertions, 85 deletions
diff --git a/xlators/protocol/lib/src/Makefile.am b/xlators/protocol/lib/src/Makefile.am
index d3d1aafe172..53131f6d041 100644
--- a/xlators/protocol/lib/src/Makefile.am
+++ b/xlators/protocol/lib/src/Makefile.am
@@ -7,9 +7,9 @@ libgfproto_la_CPPFLAGS = -D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64 -D_GNU_SOU
libgfproto_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-lib_LTLIBRARIES = libgfproto.la
+lib_LTLIBRARIES = libgfproto.la
-libgfproto_la_SOURCES = transport.c authenticate.c
+libgfproto_la_SOURCES = transport.c authenticate.c protocol.c
noinst_HEADERS = transport.h protocol.h authenticate.h
diff --git a/xlators/protocol/lib/src/protocol.c b/xlators/protocol/lib/src/protocol.c
new file mode 100644
index 00000000000..63950f43dec
--- /dev/null
+++ b/xlators/protocol/lib/src/protocol.c
@@ -0,0 +1,108 @@
+
+#include "globals.h"
+#include "compat.h"
+#include "protocol.h"
+
+char *gf_mop_list[GF_MOP_MAXVALUE];
+char *gf_cbk_list[GF_CBK_MAXVALUE];
+
+static int
+gf_dirent_nb_size (gf_dirent_t *entries)
+{
+ return (sizeof (struct gf_dirent_nb) + strlen (entries->d_name) + 1);
+}
+
+int
+gf_dirent_serialize (gf_dirent_t *entries, char *buf, size_t buf_size)
+{
+ struct gf_dirent_nb *entry_nb = NULL;
+ gf_dirent_t *entry = NULL;
+ int size = 0;
+ int entry_size = 0;
+
+
+ list_for_each_entry (entry, &entries->list, list) {
+ entry_size = gf_dirent_nb_size (entry);
+
+ if (buf && (size + entry_size <= buf_size)) {
+ entry_nb = (void *) (buf + size);
+
+ entry_nb->d_ino = hton64 (entry->d_ino);
+ entry_nb->d_off = hton64 (entry->d_off);
+ entry_nb->d_len = hton32 (entry->d_len);
+ entry_nb->d_type = hton32 (entry->d_type);
+
+ gf_stat_from_iatt (&entry_nb->d_stat, &entry->d_stat);
+
+ strcpy (entry_nb->d_name, entry->d_name);
+ }
+ size += entry_size;
+ }
+
+ return size;
+}
+
+
+int
+gf_dirent_unserialize (gf_dirent_t *entries, const char *buf, size_t buf_size)
+{
+ struct gf_dirent_nb *entry_nb = NULL;
+ int remaining_size = 0;
+ int least_dirent_size = 0;
+ int count = 0;
+ gf_dirent_t *entry = NULL;
+ int entry_strlen = 0;
+ int entry_len = 0;
+
+
+ remaining_size = buf_size;
+ least_dirent_size = (sizeof (struct gf_dirent_nb) + 2);
+
+ while (remaining_size >= least_dirent_size) {
+ entry_nb = (void *)(buf + (buf_size - remaining_size));
+
+ entry_strlen = strnlen (entry_nb->d_name, remaining_size);
+ if (entry_strlen == remaining_size) {
+ break;
+ }
+
+ entry_len = sizeof (gf_dirent_t) + entry_strlen + 1;
+ entry = GF_CALLOC (1, entry_len, gf_common_mt_gf_dirent_t);
+ if (!entry) {
+ break;
+ }
+
+ entry->d_ino = ntoh64 (entry_nb->d_ino);
+ entry->d_off = ntoh64 (entry_nb->d_off);
+ entry->d_len = ntoh32 (entry_nb->d_len);
+ entry->d_type = ntoh32 (entry_nb->d_type);
+
+ gf_stat_to_iatt (&entry_nb->d_stat, &entry->d_stat);
+
+ strcpy (entry->d_name, entry_nb->d_name);
+
+ list_add_tail (&entry->list, &entries->list);
+
+ remaining_size -= (sizeof (*entry_nb) + entry_strlen + 1);
+ count++;
+ }
+
+ return count;
+}
+
+int
+protocol_common_init (void)
+{
+ gf_mop_list[GF_MOP_SETVOLUME] = "SETVOLUME";
+ gf_mop_list[GF_MOP_GETVOLUME] = "GETVOLUME";
+ gf_mop_list[GF_MOP_SETSPEC] = "SETSPEC";
+ gf_mop_list[GF_MOP_GETSPEC] = "GETSPEC";
+ gf_mop_list[GF_MOP_LOG] = "LOG";
+ gf_mop_list[GF_MOP_PING] = "PING";
+
+ gf_cbk_list[GF_CBK_FORGET] = "FORGET";
+ gf_cbk_list[GF_CBK_RELEASE] = "RELEASE";
+ gf_cbk_list[GF_CBK_RELEASEDIR] = "RELEASEDIR";
+
+ return 0;
+}
diff --git a/xlators/protocol/lib/src/protocol.h b/xlators/protocol/lib/src/protocol.h
index 6fd291bbebe..254e36e661b 100644
--- a/xlators/protocol/lib/src/protocol.h
+++ b/xlators/protocol/lib/src/protocol.h
@@ -42,6 +42,89 @@
#define GF_PROTOCOL_VERSION "3.0"
+extern char *gf_mop_list[];
+extern char *gf_cbk_list[];
+
+/* NOTE: add members ONLY at the end (just before _MAXVALUE) */
+typedef enum {
+ GF_PROTO_FOP_STAT, /* 0 */
+ GF_PROTO_FOP_READLINK, /* 1 */
+ GF_PROTO_FOP_MKNOD, /* 2 */
+ GF_PROTO_FOP_MKDIR,
+ GF_PROTO_FOP_UNLINK,
+ GF_PROTO_FOP_RMDIR, /* 5 */
+ GF_PROTO_FOP_SYMLINK,
+ GF_PROTO_FOP_RENAME,
+ GF_PROTO_FOP_LINK,
+ GF_PROTO_FOP_TRUNCATE,
+ GF_PROTO_FOP_OPEN, /* 10 */
+ GF_PROTO_FOP_READ,
+ GF_PROTO_FOP_WRITE,
+ GF_PROTO_FOP_STATFS, /* 15 */
+ GF_PROTO_FOP_FLUSH,
+ GF_PROTO_FOP_FSYNC,
+ GF_PROTO_FOP_SETXATTR,
+ GF_PROTO_FOP_GETXATTR,
+ GF_PROTO_FOP_REMOVEXATTR,/* 20 */
+ GF_PROTO_FOP_OPENDIR,
+ GF_PROTO_FOP_GETDENTS,
+ GF_PROTO_FOP_FSYNCDIR,
+ GF_PROTO_FOP_ACCESS,
+ GF_PROTO_FOP_CREATE, /* 25 */
+ GF_PROTO_FOP_FTRUNCATE,
+ GF_PROTO_FOP_FSTAT,
+ GF_PROTO_FOP_LK,
+ GF_PROTO_FOP_LOOKUP,
+ GF_PROTO_FOP_SETDENTS,
+ GF_PROTO_FOP_READDIR,
+ GF_PROTO_FOP_INODELK, /* 35 */
+ GF_PROTO_FOP_FINODELK,
+ GF_PROTO_FOP_ENTRYLK,
+ GF_PROTO_FOP_FENTRYLK,
+ GF_PROTO_FOP_CHECKSUM,
+ GF_PROTO_FOP_XATTROP, /* 40 */
+ GF_PROTO_FOP_FXATTROP,
+ GF_PROTO_FOP_LOCK_NOTIFY,
+ GF_PROTO_FOP_LOCK_FNOTIFY,
+ GF_PROTO_FOP_FGETXATTR,
+ GF_PROTO_FOP_FSETXATTR, /* 45 */
+ GF_PROTO_FOP_RCHECKSUM,
+ GF_PROTO_FOP_SETATTR,
+ GF_PROTO_FOP_FSETATTR,
+ GF_PROTO_FOP_READDIRP,
+ GF_PROTO_FOP_MAXVALUE,
+} glusterfs_proto_fop_t;
+
+/* NOTE: add members ONLY at the end (just before _MAXVALUE) */
+typedef enum {
+ GF_MOP_SETVOLUME, /* 0 */
+ GF_MOP_GETVOLUME, /* 1 */
+ GF_MOP_STATS,
+ GF_MOP_SETSPEC,
+ GF_MOP_GETSPEC,
+ GF_MOP_PING, /* 5 */
+ GF_MOP_LOG,
+ GF_MOP_NOTIFY,
+ GF_MOP_MAXVALUE, /* 8 */
+} glusterfs_mop_t;
+
+typedef enum {
+ GF_CBK_FORGET, /* 0 */
+ GF_CBK_RELEASE, /* 1 */
+ GF_CBK_RELEASEDIR, /* 2 */
+ GF_CBK_MAXVALUE /* 3 */
+} glusterfs_cbk_t;
+
+typedef enum {
+ GF_OP_TYPE_FOP_REQUEST = 1,
+ GF_OP_TYPE_MOP_REQUEST,
+ GF_OP_TYPE_CBK_REQUEST,
+ GF_OP_TYPE_FOP_REPLY,
+ GF_OP_TYPE_MOP_REPLY,
+ GF_OP_TYPE_CBK_REPLY
+} glusterfs_op_type_t;
+
+
struct gf_stat {
uint64_t ino;
uint64_t size;
@@ -1026,89 +1109,11 @@ struct gf_dirent_nb {
char d_name[0];
} __attribute__((packed));
+int
+gf_dirent_unserialize (gf_dirent_t *entries, const char *buf, size_t buf_size);
+int
+gf_dirent_serialize (gf_dirent_t *entries, char *buf, size_t buf_size);
-static inline int
-gf_dirent_nb_size (gf_dirent_t *entries)
-{
- return (sizeof (struct gf_dirent_nb) + strlen (entries->d_name) + 1);
-}
-
-static inline int
-gf_dirent_serialize (gf_dirent_t *entries, char *buf, size_t buf_size)
-{
- struct gf_dirent_nb *entry_nb = NULL;
- gf_dirent_t *entry = NULL;
- int size = 0;
- int entry_size = 0;
-
-
- list_for_each_entry (entry, &entries->list, list) {
- entry_size = gf_dirent_nb_size (entry);
-
- if (buf && (size + entry_size <= buf_size)) {
- entry_nb = (void *) (buf + size);
-
- entry_nb->d_ino = hton64 (entry->d_ino);
- entry_nb->d_off = hton64 (entry->d_off);
- entry_nb->d_len = hton32 (entry->d_len);
- entry_nb->d_type = hton32 (entry->d_type);
-
- gf_stat_from_iatt (&entry_nb->d_stat, &entry->d_stat);
-
- strcpy (entry_nb->d_name, entry->d_name);
- }
- size += entry_size;
- }
-
- return size;
-}
-
-
-static inline int
-gf_dirent_unserialize (gf_dirent_t *entries, const char *buf, size_t buf_size)
-{
- struct gf_dirent_nb *entry_nb = NULL;
- int remaining_size = 0;
- int least_dirent_size = 0;
- int count = 0;
- gf_dirent_t *entry = NULL;
- int entry_strlen = 0;
- int entry_len = 0;
-
-
- remaining_size = buf_size;
- least_dirent_size = (sizeof (struct gf_dirent_nb) + 2);
-
- while (remaining_size >= least_dirent_size) {
- entry_nb = (void *)(buf + (buf_size - remaining_size));
-
- entry_strlen = strnlen (entry_nb->d_name, remaining_size);
- if (entry_strlen == remaining_size) {
- break;
- }
-
- entry_len = sizeof (gf_dirent_t) + entry_strlen + 1;
- entry = GF_CALLOC (1, entry_len, gf_common_mt_gf_dirent_t);
- if (!entry) {
- break;
- }
-
- entry->d_ino = ntoh64 (entry_nb->d_ino);
- entry->d_off = ntoh64 (entry_nb->d_off);
- entry->d_len = ntoh32 (entry_nb->d_len);
- entry->d_type = ntoh32 (entry_nb->d_type);
-
- gf_stat_to_iatt (&entry_nb->d_stat, &entry->d_stat);
-
- strcpy (entry->d_name, entry_nb->d_name);
-
- list_add_tail (&entry->list, &entries->list);
-
- remaining_size -= (sizeof (*entry_nb) + entry_strlen + 1);
- count++;
- }
-
- return count;
-}
+int protocol_common_init (void);
#endif