memcache/request.h
author Tero Marttila <terom@fixme.fi>
Wed, 27 Aug 2008 21:30:32 +0300
changeset 41 540737bf6bac
parent 39 0e21a65074a6
child 42 0e503189af2f
permissions -rw-r--r--
sending requests, and partial support for receiving -- incomplete, not tested
38
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     1
#ifndef MEMCACHE_REQ_H
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     2
#define MEMCACHE_REQ_H
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     3
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     4
#include <sys/queue.h>
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     5
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     6
#include "../memcache.h"
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     7
#include "connection.h"
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     8
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
     9
struct memcache_req {
39
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    10
    // the memcache context that we belong to
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    11
    struct memcache *mc;
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    12
41
540737bf6bac sending requests, and partial support for receiving -- incomplete, not tested
Tero Marttila <terom@fixme.fi>
parents: 39
diff changeset
    13
    // the command to execute
540737bf6bac sending requests, and partial support for receiving -- incomplete, not tested
Tero Marttila <terom@fixme.fi>
parents: 39
diff changeset
    14
    enum memcache_command cmd_type;
540737bf6bac sending requests, and partial support for receiving -- incomplete, not tested
Tero Marttila <terom@fixme.fi>
parents: 39
diff changeset
    15
39
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    16
    // our key/obj
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    17
    struct memcache_key key;
41
540737bf6bac sending requests, and partial support for receiving -- incomplete, not tested
Tero Marttila <terom@fixme.fi>
parents: 39
diff changeset
    18
    struct memcache_obj obj;
540737bf6bac sending requests, and partial support for receiving -- incomplete, not tested
Tero Marttila <terom@fixme.fi>
parents: 39
diff changeset
    19
    struct memcache_buf buf;
39
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    20
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    21
    // our state
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    22
    enum memcache_req_state state;
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    23
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    24
    // our user callback argument
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    25
    void *cb_arg;
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    26
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    27
    // the conn 
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    28
    struct memcache_connection *conn;
38
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
    29
    
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
    30
    // we are a member of struct memcache_server.req_queue
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
    31
    TAILQ_ENTRY(memcache_req) reqqueue_node;
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
    32
};
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
    33
39
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    34
/*
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    35
 * Allocate and return a new req, or NULL if unsuccesfull.
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    36
 */
41
540737bf6bac sending requests, and partial support for receiving -- incomplete, not tested
Tero Marttila <terom@fixme.fi>
parents: 39
diff changeset
    37
struct memcache_req *memcache_req_alloc (struct memcache *mc, enum memcache_command cmd_type, const struct memcache_key *key, void *cb_arg);
39
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    38
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    39
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    40
/*
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    41
 * An error occurred, and the request must be abandoned. This will assume that the req is not active or enqueued
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    42
 * anymore, and the req should not be accessed by memcache_* code after this.
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    43
 */
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    44
void memcache_req_error (struct memcache_req *req);
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    45
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    46
/*
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    47
 * Free an unused req. Should always be called by the user, not via internal means.
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    48
 */
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    49
void memcache_req_free (struct memcache_req *req);
0e21a65074a6 memcache connect error handling and req queuein
Tero Marttila <terom@fixme.fi>
parents: 38
diff changeset
    50
38
9894df13b779 added the beginnings of the memcache client module (only up to connect() yet)
Tero Marttila <terom@fixme.fi>
parents:
diff changeset
    51
#endif /* MEMCACHE_REQ_H */