X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_behavior.c;h=31d8f0525c7fe6e8983aa19052bec8805097478d;hb=da9995411e75f3a984672e926fd5bca406b13562;hp=1095168ccf840d3d30d4f9c9ec6234c12d89cf3f;hpb=8c34786ea9d4b879bf5c5cf7ad811836f0d1f37f;p=awesomized%2Flibmemcached

diff --git a/lib/memcached_behavior.c b/lib/memcached_behavior.c
index 1095168c..31d8f052 100644
--- a/lib/memcached_behavior.c
+++ b/lib/memcached_behavior.c
@@ -1,13 +1,150 @@
-#include <memcached.h>
+#include "common.h" 
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/tcp.h>
 
-memcached_return memcached_behavior_set(memcached_st *ptr, memcached_behavior flag)
+/* 
+  This function is used to modify the behabior of running client.
+
+  We quit all connections so we can reset the sockets.
+*/
+
+void set_behavior_flag(memcached_st *ptr, memcached_flags temp_flag, void *data)
+{
+  unsigned int *truefalse= (unsigned int *)data;
+
+  memcached_quit(ptr);
+  if (truefalse)
+    ptr->flags|= temp_flag;
+  else
+    ptr->flags+= temp_flag;
+}
+
+memcached_return memcached_behavior_set(memcached_st *ptr, 
+                                        memcached_behavior flag, 
+                                        void *data)
+{
+  switch (flag)
+  {
+  case MEMCACHED_BEHAVIOR_SUPPORT_CAS:
+    set_behavior_flag(ptr, MEM_SUPPORT_CAS, data);
+    break;
+  case MEMCACHED_BEHAVIOR_NO_BLOCK:
+    set_behavior_flag(ptr, MEM_NO_BLOCK, data);
+  case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
+    set_behavior_flag(ptr, MEM_BUFFER_REQUESTS, data);
+    break;
+  case MEMCACHED_BEHAVIOR_TCP_NODELAY:
+    set_behavior_flag(ptr, MEM_TCP_NODELAY, data);
+    break;
+  case MEMCACHED_BEHAVIOR_DISTRIBUTION:
+    ptr->distribution= *(memcached_server_distribution *)(data);
+    break;
+  case MEMCACHED_BEHAVIOR_HASH:
+    ptr->hash= *(memcached_hash *)(data);
+    break;
+  case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
+    set_behavior_flag(ptr, MEM_USE_CACHE_LOOKUPS, data);
+    break;
+  case MEMCACHED_BEHAVIOR_KETAMA:
+    set_behavior_flag(ptr, MEM_USE_KETAMA, data);
+    break;
+  case MEMCACHED_BEHAVIOR_POLL_TIMEOUT:
+    {
+      int32_t timeout= (*((int32_t *)data));
+
+      ptr->poll_timeout= timeout;
+      break;
+    }
+  case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
+    {
+      ptr->send_size= (*((int *)data));
+      memcached_quit(ptr);
+      break;
+    }
+  case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE:
+    {
+      ptr->recv_size= (*((int *)data));
+      memcached_quit(ptr);
+      break;
+    }
+
+
+  }
+
+  return MEMCACHED_SUCCESS;
+}
+
+unsigned long long memcached_behavior_get(memcached_st *ptr, 
+                                          memcached_behavior flag)
 {
+  memcached_flags temp_flag= 0;
+
   switch (flag)
   {
+  case MEMCACHED_BEHAVIOR_SUPPORT_CAS:
+    temp_flag= MEM_SUPPORT_CAS;
+    break;
+  case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
+    temp_flag= MEM_USE_CACHE_LOOKUPS;
+    break;
   case MEMCACHED_BEHAVIOR_NO_BLOCK:
-    ptr->flags|= MEM_NO_BLOCK;
+    temp_flag= MEM_NO_BLOCK;
+    break;
+  case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
+    temp_flag= MEM_BUFFER_REQUESTS;
     break;
+  case MEMCACHED_BEHAVIOR_TCP_NODELAY:
+    temp_flag= MEM_TCP_NODELAY;
+    break;
+  case MEMCACHED_BEHAVIOR_DISTRIBUTION:
+    return ptr->distribution;
+  case MEMCACHED_BEHAVIOR_HASH:
+    return ptr->hash;
+  case MEMCACHED_BEHAVIOR_KETAMA:
+    temp_flag= MEM_USE_KETAMA;
+    break;
+  case MEMCACHED_BEHAVIOR_POLL_TIMEOUT:
+    {
+      return (unsigned long long)ptr->poll_timeout;
+    }
+  case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
+    {
+      int sock_size;
+      socklen_t sock_length= sizeof(int);
+
+      /* We just try the first host, and if it is down we return zero */
+      if ((memcached_connect(ptr, 0)) != MEMCACHED_SUCCESS)
+        return 0;
+
+      if (getsockopt(ptr->hosts[0].fd, SOL_SOCKET, 
+                     SO_SNDBUF, &sock_size, &sock_length))
+        return 0; /* Zero means error */
+
+      return sock_size;
+    }
+  case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE:
+    {
+      int sock_size;
+      socklen_t sock_length= sizeof(int);
+
+      /* We just try the first host, and if it is down we return zero */
+      if ((memcached_connect(ptr, 0)) != MEMCACHED_SUCCESS)
+        return 0;
+
+      if (getsockopt(ptr->hosts[0].fd, SOL_SOCKET, 
+                     SO_RCVBUF, &sock_size, &sock_length))
+        return 0; /* Zero means error */
+
+      return sock_size;
+    }
   }
 
+  WATCHPOINT_ASSERT(temp_flag); /* Programming mistake if it gets this far */
+  if (ptr->flags & temp_flag)
+    return 1;
+  else
+    return 0;
+
   return MEMCACHED_SUCCESS;
 }