Add a request id for each request that hits the wire.

[m6w6/libmemcached] / libmemcached / server.cc

diff --git a/libmemcached/server.cc b/libmemcached/server.cc
index cf63f4ca4c7e34033cdb04c2d767e869c2d74047..9345da0b3a28eb1957e7bc19d33473ea95d94e4b 100644 (file)
--- a/libmemcached/server.cc
+++ b/libmemcached/server.cc
@@ -50,13 +50,16 @@ static inline void _server_init(memcached_server_st *self, memcached_st *root,
   self->number_of_hosts= 0;
   self->cursor_active= 0;
   self->port= port;
-  self->fd= -1;
+  self->fd= INVALID_SOCKET;
   self->io_bytes_sent= 0;
+  self->request_id= 0;
   self->server_failure_counter= 0;
   self->server_failure_counter_query_id= 0;
   self->weight= weight ? weight : 1; // 1 is the default weight value
-  WATCHPOINT_SET(self->io_wait_count.read= 0);
-  WATCHPOINT_SET(self->io_wait_count.write= 0);
+  self->io_wait_count.read= 0;
+  self->io_wait_count.write= 0;
+  self->io_wait_count.timeouts= 0;
+  self->io_wait_count._bytes_read= 0;
   self->major_version= UINT8_MAX;
   self->micro_version= UINT8_MAX;
   self->minor_version= UINT8_MAX;
@@ -88,11 +91,11 @@ static inline void _server_init(memcached_server_st *self, memcached_st *root,
 
 static memcached_server_st *_server_create(memcached_server_st *self, const memcached_st *memc)
 {
-  if (not self)
+  if (self == NULL)
   {
-   self= (memcached_server_st *)libmemcached_malloc(memc, sizeof(memcached_server_st));
+   self= libmemcached_xmalloc(memc, struct memcached_server_st);
 
-    if (not self)
+    if (self == NULL)
     {
       return NULL; /*  MEMCACHED_MEMORY_ALLOCATION_FAILURE */
     }
@@ -131,13 +134,17 @@ memcached_server_st *__server_create_with(memcached_st *memc,
 
   _server_init(self, const_cast<memcached_st *>(memc), hostname, port, weight, type);
 
-
   if (memc and memcached_is_udp(memc))
-  {
+  { 
     self->write_buffer_offset= UDP_DATAGRAM_HEADER_LENGTH;
     memcached_io_init_udp_header(self, 0);
   }
 
+  if (memc)
+  {
+    memcached_connect_try(self);
+  }
+
   return self;
 }
 
@@ -197,14 +204,6 @@ memcached_server_st *memcached_server_clone(memcached_server_st *destination,
                                     hostname,
                                     source->port, source->weight,
                                     source->type);
-  if (destination)
-  {
-    if (source->error_messages)
-    {
-      destination->error_messages= memcached_error_copy(*source);
-    }
-  }
-
   return destination;
 
 }
@@ -245,18 +244,28 @@ memcached_return_t memcached_server_execute(memcached_st *ptr,
                                             memcached_server_execute_fn callback,
                                             void *context)
 {
+  if (callback == NULL)
+  {
+    return MEMCACHED_INVALID_ARGUMENTS;
+  }
+
+  bool some_errors= false;;
   for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
   {
     memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x);
 
-    unsigned int iferror= (*callback)(ptr, instance, context);
-
-    if (iferror)
+    memcached_return_t rc= (*callback)(ptr, instance, context);
+    if (rc == MEMCACHED_INVALID_ARGUMENTS)
+    {
+      return rc;
+    }
+    else if (memcached_fatal(rc))
     {
-      continue;
+      some_errors= true;
     }
   }
 
+  (void)some_errors;
   return MEMCACHED_SUCCESS;
 }
 
@@ -279,15 +288,9 @@ memcached_server_instance_st memcached_server_by_key(memcached_st *ptr,
     return NULL;
   }
 
-  if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol)))
-  {
-    *error= rc;
-    return NULL;
-  }
-
   if (memcached_failed((memcached_key_test(*ptr, (const char **)&key, &key_length, 1))))
   {
-    *error= MEMCACHED_BAD_KEY_PROVIDED;
+    *error= memcached_last_error(ptr);
     return NULL;
   }
 
@@ -299,7 +302,7 @@ memcached_server_instance_st memcached_server_by_key(memcached_st *ptr,
 void memcached_server_error_reset(memcached_server_st *self)
 {
   WATCHPOINT_ASSERT(self);
-  if (not self)
+  if (self == NULL)
   {
     return;
   }
@@ -310,8 +313,10 @@ void memcached_server_error_reset(memcached_server_st *self)
 memcached_server_instance_st memcached_server_get_last_disconnect(const memcached_st *self)
 {
   WATCHPOINT_ASSERT(self);
-  if (not self)
+  if (self == NULL)
+  {
     return 0;
+  }
 
   return self->last_disconnected_server;
 }
@@ -319,8 +324,10 @@ memcached_server_instance_st memcached_server_get_last_disconnect(const memcache
 uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count)
 {
   WATCHPOINT_ASSERT(servers);
-  if (not servers)
+  if (servers == NULL)
+  {
     return 0;
+  }
 
   return servers->number_of_hosts= count;
 }
@@ -328,7 +335,7 @@ uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t coun
 uint32_t memcached_server_count(const memcached_st *self)
 {
   WATCHPOINT_ASSERT(self);
-  if (not self)
+  if (self == NULL)
     return 0;
 
   return self->number_of_hosts;
@@ -337,7 +344,7 @@ uint32_t memcached_server_count(const memcached_st *self)
 const char *memcached_server_name(const memcached_server_instance_st self)
 {
   WATCHPOINT_ASSERT(self);
-  if (not self)
+  if (self == NULL)
     return NULL;
 
   return self->hostname;
@@ -346,8 +353,10 @@ const char *memcached_server_name(const memcached_server_instance_st self)
 in_port_t memcached_server_port(const memcached_server_instance_st self)
 {
   WATCHPOINT_ASSERT(self);
-  if (not self)
+  if (self == NULL)
+  {
     return 0;
+  }
 
   return self->port;
 }
@@ -355,8 +364,10 @@ in_port_t memcached_server_port(const memcached_server_instance_st self)
 uint32_t memcached_server_response_count(const memcached_server_instance_st self)
 {
   WATCHPOINT_ASSERT(self);
-  if (not self)
+  if (self == NULL)
+  {
     return 0;
+  }
 
   return self->cursor_active;
 }