#define __MEMCACHED_H__
#include <stdlib.h>
-#include <time.h>
+#include <stdint.h>
+#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
typedef struct memcached_st memcached_st;
typedef struct memcached_stat_st memcached_stat_st;
+typedef struct memcached_string_st memcached_string_st;
+typedef struct memcached_server_st memcached_server_st;
#define MEMCACHED_DEFAULT_PORT 11211
#define MEMCACHED_DEFAULT_COMMAND_SIZE 350
+#define SMALL_STRING_LEN 1024
+#define HUGE_STRING_LEN 8196
+#define MEMCACHED_MAX_KEY 251 /* We add one to have it null terminated */
+//#define MEMCACHED_MAX_BUFFER 8196
+#define MEMCACHED_MAX_BUFFER HUGE_STRING_LEN
typedef enum {
MEMCACHED_SUCCESS,
MEMCACHED_DATA_EXISTS,
MEMCACHED_DATA_DOES_NOT_EXIST,
MEMCACHED_NOTSTORED,
+ MEMCACHED_STORED,
MEMCACHED_NOTFOUND,
MEMCACHED_MEMORY_ALLOCATION_FAILURE,
MEMCACHED_PARTIAL_READ,
+ MEMCACHED_SOME_ERRORS,
+ MEMCACHED_NO_SERVERS,
+ MEMCACHED_END,
+ MEMCACHED_DELETED,
+ MEMCACHED_VALUE,
+ MEMCACHED_STAT,
+ MEMCACHED_ERRNO,
+ MEMCACHED_MAXIMUM_RETURN, /* Always add new error code before */
} memcached_return;
+typedef enum {
+ MEMCACHED_BEHAVIOR_NO_BLOCK,
+ MEMCACHED_BEHAVIOR_TCP_NODELAY,
+ MEMCACHED_BEHAVIOR_MD5_HASHING,
+ MEMCACHED_BEHAVIOR_KETAMA,
+ MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE,
+ MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE,
+} memcached_behavior;
+
typedef enum {
MEMCACHED_NOT_ALLOCATED= 0,
MEMCACHED_ALLOCATED= 1,
} memcached_allocated;
+struct memcached_server_st {
+ char *hostname;
+ unsigned int port;
+ int fd;
+ unsigned int stack_responses;
+ unsigned int cursor_active;
+};
+
struct memcached_stat_st {
unsigned int pid;
unsigned int uptime;
+ unsigned int threads;
time_t time;
- char *version;
- unsigned rusage_user_seconds;
+ char version[8];
+ unsigned int pointer_size;
+ unsigned int rusage_user;
+ unsigned int rusage_system;
+ unsigned int rusage_user_seconds;
unsigned int rusage_user_microseconds;
- unsigned rusage_system_seconds;
+ unsigned int rusage_system_seconds;
unsigned int rusage_system_microseconds;
unsigned int curr_items;
unsigned int total_items;
unsigned int limit_maxbytes;
};
+struct memcached_string_st {
+ char *string;
+ char *end;
+ size_t current_size;
+ size_t block_size;
+};
+
struct memcached_st {
memcached_allocated is_allocated;
- int fd;
+ memcached_server_st *hosts;
+ unsigned int number_of_hosts;
+ unsigned int cursor_server;
+ char read_buffer[MEMCACHED_MAX_BUFFER];
+ size_t read_buffer_length;
+ char *read_ptr;
+ char write_buffer[MEMCACHED_MAX_BUFFER];
+ size_t write_buffer_offset;
char connected;
+ int my_errno;
+ unsigned long long flags;
+ int send_size;
+ int recv_size;
+ memcached_return warning; /* Future Use */
};
/* Public API */
-memcached_st *memcached_init(memcached_st *ptr);
-void memcached_deinit(memcached_st *ptr);
+memcached_st *memcached_create(memcached_st *ptr);
+void memcached_free(memcached_st *ptr);
+
+memcached_return memcached_delete(memcached_st *ptr, char *key, size_t key_length,
+ time_t expiration);
+memcached_return memcached_increment(memcached_st *ptr,
+ char *key, size_t key_length,
+ unsigned int offset,
+ unsigned int *value);
+memcached_return memcached_decrement(memcached_st *ptr,
+ char *key, size_t key_length,
+ unsigned int offset,
+ unsigned int *value);
+memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_return *error);
+memcached_return memcached_stat_servername(memcached_stat_st *stat, char *args,
+ char *hostname, unsigned int port);
+memcached_return memcached_flush(memcached_st *ptr, time_t expiration);
+memcached_return memcached_verbosity(memcached_st *ptr, unsigned int verbosity);
+void memcached_quit(memcached_st *ptr);
+char *memcached_strerror(memcached_st *ptr, memcached_return rc);
+memcached_return memcached_behavior_set(memcached_st *ptr, memcached_behavior flag, void *data);
+unsigned long long memcached_behavior_get(memcached_st *ptr, memcached_behavior flag);
+/* All of the functions for adding data to the server */
memcached_return memcached_set(memcached_st *ptr, char *key, size_t key_length,
char *value, size_t value_length,
time_t expiration,
char *value, size_t value_length,
time_t expiration,
uint16_t flags);
-memcached_return memcached_delete(memcached_st *ptr, char *key, size_t key_length,
- time_t expiration);
-memcached_return memcached_increment(memcached_st *ptr, char *key, size_t key_length,
- unsigned int count);
-memcached_return memcached_decrement(memcached_st *ptr, char *key, size_t key_length,
- unsigned int count);
-memcached_return memcached_stat(memcached_st *ptr, memcached_stat_st *stat);
-memcached_return memcached_flush(memcached_st *ptr, time_t expiration);
-char *memcached_version(memcached_st *ptr, memcached_return *error);
-memcached_return memcached_verbosity(memcached_st *ptr, unsigned int verbosity);
-memcached_return memcached_quit(memcached_st *ptr);
+
+/* Get functions */
char *memcached_get(memcached_st *ptr, char *key, size_t key_length,
size_t *value_length,
uint16_t *flags,
memcached_return *error);
-void memcached_server_add(memcached_st *ptr, char *server_name, unsigned int port);
-static memcached_return memcached_response(memcached_st *ptr,
- char *buffer, size_t buffer_length);
-char *memcached_strerror(memcached_st *ptr, memcached_return rc);
+memcached_return memcached_mget(memcached_st *ptr,
+ char **keys, size_t *key_length,
+ unsigned int number_of_keys);
+char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length,
+ size_t *value_length, uint16_t *flags,
+ memcached_return *error);
+
+/* Server Public functions */
+#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->hosts
+#define memcached_server_response_count(A,B) A->hosts[B].stack_responses
+
+memcached_return memcached_server_add(memcached_st *ptr, char *hostname,
+ unsigned int port);
+void memcached_server_list_free(memcached_server_st *ptr);
+memcached_return memcached_server_push(memcached_st *ptr, memcached_server_st *list);
+
+memcached_server_st *memcached_server_list_append(memcached_server_st *ptr,
+ char *hostname, unsigned int port,
+ memcached_return *error);
+unsigned int memcached_server_list_count(memcached_server_st *ptr);
+memcached_server_st *memcached_servers_parse(char *server_strings);
+
+char *memcached_stat_get_value(memcached_st *ptr, memcached_stat_st *stat,
+ char *key, memcached_return *error);
+char ** memcached_stat_get_keys(memcached_st *ptr, memcached_stat_st *stat,
+ memcached_return *error);
+
+/* Some personal debugging functions */
+#ifdef HAVE_DEBUG
+#define WATCHPOINT printf("\nWATCHPOINT %s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
+#define WATCHPOINT_ERROR(A) printf("\nWATCHPOINT %s:%d %s\n", __FILE__, __LINE__, memcached_strerror(NULL, A));fflush(stdout);
+#define WATCHPOINT_STRING(A) printf("\nWATCHPOINT %s:%d (%s) %s\n", __FILE__, __LINE__,__func__,A);fflush(stdout);
+#define WATCHPOINT_NUMBER(A) printf("\nWATCHPOINT %s:%d (%s) %zu\n", __FILE__, __LINE__,__func__,(size_t)(A));fflush(stdout);
+#define WATCHPOINT_ERRNO(A) printf("\nWATCHPOINT %s:%d (%s) %s\n", __FILE__, __LINE__,__func__, strerror(A));A= 0;fflush(stdout);
+#define WATCHPOINT_ASSERT(A) assert((A));
+#else
+/*
+#define WATCHPOINT { 1; };
+#define WATCHPOINT_ERROR(A) { 1; };
+#define WATCHPOINT_STRING(A) { 1; };
+#define WATCHPOINT_NUMBER(A) { 1; };
+#define WATCHPOINT_ERRNO(A) { 1; };
+#define WATCHPOINT_ASSERT(A) { 1; };
+*/
+#define WATCHPOINT
+#define WATCHPOINT_ERROR(A)
+#define WATCHPOINT_STRING(A)
+#define WATCHPOINT_NUMBER(A)
+#define WATCHPOINT_ERRNO(A)
+#define WATCHPOINT_ASSERT(A)
+#endif
+
#ifdef __cplusplus
}
projects / awesomized / libmemcached / blobdiff