Small updates/wins around non-block IO

[m6w6/libmemcached] / libmemcached / server.h

diff --git a/libmemcached/server.h b/libmemcached/server.h
index 10cf50fdf47f97dc1fd0f064527399321aee8e2c..eabf7f0ff95725cf506f892810c68f09a6697711 100644 (file)
--- a/libmemcached/server.h
+++ b/libmemcached/server.h
@@ -9,17 +9,16 @@
  *
  */
 
-#ifndef __MEMCACHED_SERVER_H__
-#define __MEMCACHED_SERVER_H__
+#ifndef __LIBMEMCACHED_SERVER_H__
+#define __LIBMEMCACHED_SERVER_H__
 
-#ifdef __cplusplus
-extern "C" {
-#endif
 
 struct memcached_server_st {
   struct {
     bool is_allocated:1;
+    bool is_initialized:1;
     bool sockaddr_inited:1;
+    bool is_shutting_down:1;
   } options;
   uint32_t number_of_hosts;
   uint32_t cursor_active;
@@ -30,8 +29,13 @@ struct memcached_server_st {
   uint32_t server_failure_counter;
   uint32_t weight;
   struct { // Place any "state" sort variables in here.
-    bool is_corked;
+    bool is_corked:1;
+    bool is_dead:1;
   } state;
+  struct {
+    uint32_t read;
+    uint32_t write;
+  } io_wait_count;
   uint8_t major_version;
   uint8_t micro_version;
   uint8_t minor_version;
@@ -47,72 +51,38 @@ struct memcached_server_st {
   uint64_t limit_maxbytes;
   char read_buffer[MEMCACHED_MAX_BUFFER];
   char write_buffer[MEMCACHED_MAX_BUFFER];
-  char hostname[MEMCACHED_MAX_HOST_LENGTH];
+  char hostname[NI_MAXHOST];
 };
 
-// Local Only Inline
-static inline uint32_t memcached_servers_count(memcached_server_st *servers)
-{
-  return servers->number_of_hosts;
-}
-
-// Local Only Inline
-static inline uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count)
-{
-  return servers->number_of_hosts= count;
-}
-
 
-
-#define memcached_server_count(A) (A)->number_of_hosts
-#define memcached_server_name(A,B) (B).hostname
-#define memcached_server_port(A,B) (B).port
-#define memcached_server_list(A) (A)->servers
-#define memcached_server_list_set(A,B) (A)->servers=(B)
-#define memcached_server_response_count(A) (A)->cursor_active
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 LIBMEMCACHED_API
-memcached_return_t memcached_server_cursor(memcached_st *ptr,
-                                           memcached_server_fn *callback,
+memcached_return_t memcached_server_cursor(const memcached_st *ptr,
+                                           const memcached_server_fn *callback,
                                            void *context,
                                            uint32_t number_of_callbacks);
 
 LIBMEMCACHED_API
-memcached_server_st *memcached_server_by_key(memcached_st *ptr,
-                                             const char *key,
-                                             size_t key_length,
-                                             memcached_return_t *error);
-
-LIBMEMCACHED_API
-const char *memcached_server_error(memcached_server_st *ptr);
+  memcached_server_instance_st memcached_server_by_key(const memcached_st *ptr,
+                                                        const char *key,
+                                                        size_t key_length,
+                                                        memcached_return_t *error);
 
 LIBMEMCACHED_API
 void memcached_server_error_reset(memcached_server_st *ptr);
 
-/* These should not currently be used by end users */
-/* TODO: Is the above comment valid? If so, how can we unit test these if they
- * aren't exported. If not, we should remove the comment */
-
-LIBMEMCACHED_LOCAL
-memcached_server_st *memcached_server_create_with(const memcached_st *memc,
-                                                  memcached_server_st *host,
-                                                  const char *hostname,
-                                                  in_port_t port,
-                                                  uint32_t weight,
-                                                  memcached_connection_t type);
-
 LIBMEMCACHED_API
 void memcached_server_free(memcached_server_st *ptr);
 
 LIBMEMCACHED_LOCAL
-memcached_server_st *memcached_server_clone(memcached_server_st *clone,
-                                            memcached_server_st *ptr);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_server_remove(memcached_server_st *st_ptr);
+memcached_server_st *memcached_server_clone(memcached_server_st *destination,
+                                            const memcached_server_st *source);
 
 LIBMEMCACHED_API
-memcached_server_st *memcached_server_get_last_disconnect(memcached_st *ptr);
+memcached_server_instance_st memcached_server_get_last_disconnect(const memcached_st *ptr);
 
 
 LIBMEMCACHED_API
@@ -139,32 +109,26 @@ LIBMEMCACHED_API
 memcached_return_t memcached_server_add_with_weight(memcached_st *ptr, const char *hostname,
                                                     in_port_t port,
                                                     uint32_t weight);
-/* Server List Public functions */
 
+/**
+  Operations on Single Servers.
+*/
 LIBMEMCACHED_API
-void memcached_server_list_free(memcached_server_st *ptr);
-
+uint32_t memcached_server_response_count(memcached_server_instance_st self);
 
 LIBMEMCACHED_API
-memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st *list);
+const char *memcached_server_name(memcached_server_instance_st self);
 
 LIBMEMCACHED_API
-memcached_server_st *memcached_server_list_append(memcached_server_st *ptr,
-                                                  const char *hostname,
-                                                  in_port_t port,
-                                                  memcached_return_t *error);
-LIBMEMCACHED_API
-memcached_server_st *memcached_server_list_append_with_weight(memcached_server_st *ptr,
-                                                              const char *hostname,
-                                                              in_port_t port,
-                                                              uint32_t weight,
-                                                              memcached_return_t *error);
+in_port_t memcached_server_port(memcached_server_instance_st self);
+
 LIBMEMCACHED_API
-unsigned int memcached_server_list_count(memcached_server_st *ptr);
+const char *memcached_server_error(memcached_server_instance_st ptr);
+
 
 
 #ifdef __cplusplus
-}
+} // extern "C"
 #endif
 
-#endif /* __MEMCACHED_SERVER_H__ */
+#endif /* __LIBMEMCACHED_SERVER_H__ */