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-rw-r--r--xlators/protocol/lib/src/protocol.c108
1 files changed, 108 insertions, 0 deletions
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;
+}