3 #include <sys/socket.h>
4 #include <netinet/tcp.h>
7 This function is used to modify the behabior of running client.
9 We quit all connections so we can reset the sockets.
12 void set_behavior_flag(memcached_st
*ptr
, memcached_flags temp_flag
, uint64_t data
)
15 ptr
->flags
|= temp_flag
;
17 ptr
->flags
&= ~temp_flag
;
20 memcached_return
memcached_behavior_set(memcached_st
*ptr
,
21 memcached_behavior flag
,
26 case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL
:
27 set_behavior_flag(ptr
, MEM_BINARY_PROTOCOL
, data
);
29 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
30 set_behavior_flag(ptr
, MEM_SUPPORT_CAS
, data
);
32 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
33 set_behavior_flag(ptr
, MEM_NO_BLOCK
, data
);
35 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
36 set_behavior_flag(ptr
, MEM_BUFFER_REQUESTS
, data
);
39 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
40 set_behavior_flag(ptr
, MEM_TCP_NODELAY
, data
);
43 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
45 ptr
->distribution
= (memcached_server_distribution
)(data
);
46 run_distribution(ptr
);
49 case MEMCACHED_BEHAVIOR_KETAMA
:
53 ptr
->hash
= MEMCACHED_HASH_MD5
;
54 ptr
->distribution
= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
;
61 run_distribution(ptr
);
64 case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED
:
66 ptr
->hash
= MEMCACHED_HASH_MD5
;
67 ptr
->distribution
= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
;
68 set_behavior_flag(ptr
, MEM_KETAMA_WEIGHTED
, data
);
69 run_distribution(ptr
);
72 case MEMCACHED_BEHAVIOR_HASH
:
73 ptr
->hash
= (memcached_hash
)(data
);
75 case MEMCACHED_BEHAVIOR_KETAMA_HASH
:
76 ptr
->hash_continuum
= (memcached_hash
)(data
);
77 run_distribution(ptr
);
79 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
80 set_behavior_flag(ptr
, MEM_USE_CACHE_LOOKUPS
, data
);
83 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
84 set_behavior_flag(ptr
, MEM_VERIFY_KEY
, data
);
86 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
88 set_behavior_flag(ptr
, MEM_USE_SORT_HOSTS
, data
);
89 run_distribution(ptr
);
93 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
94 ptr
->poll_timeout
= (int32_t)data
;
96 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
:
97 ptr
->connect_timeout
= (int32_t)data
;
99 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
:
100 ptr
->retry_timeout
= (int32_t)data
;
102 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
103 ptr
->send_size
= (int32_t)data
;
106 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
107 ptr
->recv_size
= (int32_t)data
;
110 case MEMCACHED_BEHAVIOR_USER_DATA
:
111 return MEMCACHED_FAILURE
;
114 return MEMCACHED_SUCCESS
;
117 uint64_t memcached_behavior_get(memcached_st
*ptr
,
118 memcached_behavior flag
)
120 memcached_flags temp_flag
= 0;
124 case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL
:
125 temp_flag
= MEM_BINARY_PROTOCOL
;
127 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
128 temp_flag
= MEM_SUPPORT_CAS
;
130 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
131 temp_flag
= MEM_USE_CACHE_LOOKUPS
;
133 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
134 temp_flag
= MEM_NO_BLOCK
;
136 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
137 temp_flag
= MEM_BUFFER_REQUESTS
;
139 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
140 temp_flag
= MEM_TCP_NODELAY
;
142 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
143 temp_flag
= MEM_VERIFY_KEY
;
145 case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED
:
146 temp_flag
= MEM_KETAMA_WEIGHTED
;
148 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
149 return ptr
->distribution
;
150 case MEMCACHED_BEHAVIOR_KETAMA
:
151 return (ptr
->distribution
== MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
) ? 1 : 0;
152 case MEMCACHED_BEHAVIOR_HASH
:
154 case MEMCACHED_BEHAVIOR_KETAMA_HASH
:
155 return ptr
->hash_continuum
;
156 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
157 temp_flag
= MEM_USE_SORT_HOSTS
;
159 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
161 return (unsigned long long)ptr
->poll_timeout
;
163 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
:
165 return (unsigned long long)ptr
->connect_timeout
;
167 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
:
169 return (unsigned long long)ptr
->retry_timeout
;
171 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
174 socklen_t sock_length
= sizeof(int);
177 /* We just try the first host, and if it is down we return zero */
178 if ((memcached_connect(&ptr
->hosts
[0])) != MEMCACHED_SUCCESS
)
181 if (getsockopt(ptr
->hosts
[0].fd
, SOL_SOCKET
,
182 SO_SNDBUF
, &sock_size
, &sock_length
))
183 return 0; /* Zero means error */
187 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
190 socklen_t sock_length
= sizeof(int);
193 /* We just try the first host, and if it is down we return zero */
194 if ((memcached_connect(&ptr
->hosts
[0])) != MEMCACHED_SUCCESS
)
197 if (getsockopt(ptr
->hosts
[0].fd
, SOL_SOCKET
,
198 SO_RCVBUF
, &sock_size
, &sock_length
))
199 return 0; /* Zero means error */
203 case MEMCACHED_BEHAVIOR_USER_DATA
:
204 return MEMCACHED_FAILURE
;
207 WATCHPOINT_ASSERT(temp_flag
); /* Programming mistake if it gets this far */
208 if (ptr
->flags
& temp_flag
)
213 return MEMCACHED_SUCCESS
;