Remove a simple issue that trips up peope providing patches (just allow the class...

[m6w6/libmemcached] / libmemcached / memcached.cc

diff --git a/libmemcached/memcached.cc b/libmemcached/memcached.cc
index 3201c99c3e61be286b17f676b779aef51c7c27a1..548f235501a162ef4863922d4804a86dc9e978fc 100644 (file)
--- a/libmemcached/memcached.cc
+++ b/libmemcached/memcached.cc
@@ -40,31 +40,6 @@
 #include <libmemcached/options.hpp>
 #include <libmemcached/virtual_bucket.h>
 
-#if 0
-static const memcached_st global_copy= {
-  .state= {
-    .is_purging= false, // .is_purging
-    .is_processing_input= false, // is_processing_input
-    .is_time_for_rebuild= false,
-  },
-  .flags= {
-    .auto_eject_hosts= false,
-    .binary_protocol= false,
-    .buffer_requests= false,
-    .hash_with_namespace= false,
-    .no_block= false,
-    .no_reply= false,
-    .randomize_replica_read= false,
-    .support_cas= false,
-    .tcp_nodelay= false,
-    .use_sort_hosts= false,
-    .use_udp= false,
-    .verify_key= false,
-    .tcp_keepalive= false,
-  },
-};
-#endif
-
 static inline bool _memcached_init(memcached_st *self)
 {
   self->state.is_purging= false;
@@ -76,7 +51,7 @@ static inline bool _memcached_init(memcached_st *self)
   self->flags.buffer_requests= false;
   self->flags.hash_with_namespace= false;
   self->flags.no_block= false;
-  self->flags.no_reply= false;
+  self->flags.reply= true;
   self->flags.randomize_replica_read= false;
   self->flags.support_cas= false;
   self->flags.tcp_nodelay= false;
@@ -87,7 +62,7 @@ static inline bool _memcached_init(memcached_st *self)
 
   self->virtual_bucket= NULL;
 
-  self->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY;
+  self->distribution= MEMCACHED_DISTRIBUTION_MODULA;
 
   if (hashkit_create(&self->hashkit) == NULL)
   {
@@ -121,6 +96,7 @@ static inline bool _memcached_init(memcached_st *self)
   self->poll_timeout= MEMCACHED_DEFAULT_TIMEOUT;
   self->connect_timeout= MEMCACHED_DEFAULT_CONNECT_TIMEOUT;
   self->retry_timeout= MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT;
+  self->dead_timeout= MEMCACHED_SERVER_FAILURE_DEAD_TIMEOUT;
 
   self->send_size= -1;
   self->recv_size= -1;
@@ -148,7 +124,7 @@ static inline bool _memcached_init(memcached_st *self)
   return true;
 }
 
-static void _free(memcached_st *ptr, bool release_st)
+static void __memcached_free(memcached_st *ptr, bool release_st)
 {
   /* If we have anything open, lets close it now */
   send_quit(ptr);
@@ -182,7 +158,9 @@ static void _free(memcached_st *ptr, bool release_st)
     ptr->configure.filename= NULL;
   }
 
-  if (memcached_is_allocated(ptr) && release_st)
+  hashkit_free(&ptr->hashkit);
+
+  if (memcached_is_allocated(ptr) and release_st)
   {
     libmemcached_free(ptr, ptr);
   }
@@ -196,7 +174,7 @@ memcached_st *memcached_create(memcached_st *ptr)
   }
   else
   {
-    ptr= (memcached_st *)malloc(sizeof(memcached_st));
+    ptr= (memcached_st *)libmemcached_xmalloc(NULL, memcached_st);
 
     if (ptr == NULL)
     {
@@ -206,11 +184,6 @@ memcached_st *memcached_create(memcached_st *ptr)
     ptr->options.is_allocated= true;
   }
 
-#if 0
-  memcached_set_purging(ptr, false);
-  memcached_set_processing_input(ptr, false);
-#endif
-
   if (_memcached_init(ptr) == false)
   {
     memcached_free(ptr);
@@ -230,43 +203,62 @@ memcached_st *memcached_create(memcached_st *ptr)
 
 memcached_st *memcached(const char *string, size_t length)
 {
-  memcached_st *self= memcached_create(NULL);
-  if (self == NULL)
+  if (length == 0 and string)
+  {
+    return NULL;
+  }
+
+  if (length and string == NULL)
   {
     return NULL;
   }
 
   if (length == 0)
   {
-    return self;
+    if (bool(getenv("LIBMEMCACHED")))
+    {
+      string= getenv("LIBMEMCACHED");
+      length= string ? strlen(string) : 0;
+    }
+  }
+
+  memcached_st *memc= memcached_create(NULL);
+  if (memc == NULL)
+  {
+    return NULL;
   }
 
-  memcached_return_t rc= memcached_parse_configuration(self, string, length);
-  if (memcached_success(rc) and memcached_parse_filename(self))
+  if (length == 0 or string == NULL)
   {
-    rc= memcached_parse_configure_file(*self, memcached_parse_filename(self), memcached_parse_filename_length(self));
+    return memc;
+  }
+
+  memcached_return_t rc= memcached_parse_configuration(memc, string, length);
+  if (memcached_success(rc) and memcached_parse_filename(memc))
+  {
+    rc= memcached_parse_configure_file(*memc, memcached_parse_filename(memc), memcached_parse_filename_length(memc));
   }
     
   if (memcached_failed(rc))
   {
-    memcached_free(self);
+    memcached_free(memc);
     return NULL;
   }
 
-  return self;
+  return memc;
 }
 
 memcached_return_t memcached_reset(memcached_st *ptr)
 {
   WATCHPOINT_ASSERT(ptr);
-  if (not ptr)
+  if (ptr == NULL)
   {
     return MEMCACHED_INVALID_ARGUMENTS;
   }
 
   bool stored_is_allocated= memcached_is_allocated(ptr);
   uint64_t query_id= ptr->query_id;
-  _free(ptr, false);
+  __memcached_free(ptr, false);
   memcached_create(ptr);
   memcached_set_allocated(ptr, stored_is_allocated);
   ptr->query_id= query_id;
@@ -305,7 +297,7 @@ void memcached_free(memcached_st *ptr)
 {
   if (ptr)
   {
-    _free(ptr, true);
+    __memcached_free(ptr, true);
   }
 }
 
@@ -339,6 +331,7 @@ memcached_st *memcached_clone(memcached_st *clone, const memcached_st *source)
   new_clone->poll_timeout= source->poll_timeout;
   new_clone->connect_timeout= source->connect_timeout;
   new_clone->retry_timeout= source->retry_timeout;
+  new_clone->dead_timeout= source->dead_timeout;
   new_clone->distribution= source->distribution;
 
   if (hashkit_clone(&new_clone->hashkit, &source->hashkit) == NULL)
@@ -377,6 +370,7 @@ memcached_st *memcached_clone(memcached_st *clone, const memcached_st *source)
 
   new_clone->_namespace= memcached_array_clone(new_clone, source->_namespace);
   new_clone->configure.filename= memcached_array_clone(new_clone, source->_namespace);
+  new_clone->configure.version= source->configure.version;
 
   if (LIBMEMCACHED_WITH_SASL_SUPPORT and source->sasl.callbacks)
   {
@@ -404,11 +398,21 @@ memcached_st *memcached_clone(memcached_st *clone, const memcached_st *source)
 
 void *memcached_get_user_data(const memcached_st *ptr)
 {
+  if (ptr == NULL)
+  {
+    return NULL;
+  }
+
   return ptr->user_data;
 }
 
 void *memcached_set_user_data(memcached_st *ptr, void *data)
 {
+  if (ptr == NULL)
+  {
+    return NULL;
+  }
+
   void *ret= ptr->user_data;
   ptr->user_data= data;
 
@@ -422,18 +426,30 @@ memcached_return_t memcached_push(memcached_st *destination, const memcached_st
 
 memcached_server_write_instance_st memcached_server_instance_fetch(memcached_st *ptr, uint32_t server_key)
 {
+  if (ptr == NULL)
+  {
+    return NULL;
+  }
+
   return &ptr->servers[server_key];
 }
 
 memcached_server_instance_st memcached_server_instance_by_position(const memcached_st *ptr, uint32_t server_key)
 {
+  if (ptr == NULL)
+  {
+    return NULL;
+  }
+
   return &ptr->servers[server_key];
 }
 
 uint64_t memcached_query_id(const memcached_st *self)
 {
-  if (not self)
+  if (self == NULL)
+  {
     return 0;
+  }
 
   return self->query_id;
 }