pandora-build 0.9
[m6w6/libmemcached] / libmemcached / memcached_auto.c
index a607ed66e23298881c2ee5bfd6d3ea429aafbb62..176cbcc908e3c3179beb73e2845d773662210891 100644 (file)
@@ -1,8 +1,8 @@
 #include "common.h"
 
 static memcached_return memcached_auto(memcached_st *ptr, 
-                                       char *verb,
-                                       char *key, size_t key_length,
+                                       const char *verb,
+                                       const char *key, size_t key_length,
                                        unsigned int offset,
                                        uint64_t *value)
 {
@@ -10,27 +10,26 @@ static memcached_return memcached_auto(memcached_st *ptr,
   memcached_return rc;
   char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
   unsigned int server_key;
-
-  unlikely (key_length == 0)
-    return MEMCACHED_NO_KEY_PROVIDED;
+  bool no_reply= (ptr->flags & MEM_NOREPLY);
 
   unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
     return MEMCACHED_NO_SERVERS;
 
-  if ((ptr->flags & MEM_VERIFY_KEY) && (memcachd_key_test(&key, &key_length, 1) == MEMCACHED_BAD_KEY_PROVIDED))
+  if ((ptr->flags & MEM_VERIFY_KEY) && (memcached_key_test((const char **)&key, &key_length, 1) == MEMCACHED_BAD_KEY_PROVIDED))
     return MEMCACHED_BAD_KEY_PROVIDED;
 
   server_key= memcached_generate_hash(ptr, key, key_length);
 
-  send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
-                        "%s %.*s %u\r\n", verb, 
-                        (int)key_length, key,
-                        offset);
+  send_length= (size_t)snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
+                                "%s %s%.*s %u%s\r\n", verb,
+                                ptr->prefix_key,
+                                (int)key_length, key,
+                                offset, no_reply ? " noreply" : "");
   unlikely (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE)
     return MEMCACHED_WRITE_FAILURE;
 
   rc= memcached_do(&ptr->hosts[server_key], buffer, send_length, 1);
-  if (rc != MEMCACHED_SUCCESS)
+  if (no_reply || rc != MEMCACHED_SUCCESS)
     return rc;
 
   rc= memcached_response(&ptr->hosts[server_key], buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL);
@@ -54,37 +53,147 @@ static memcached_return memcached_auto(memcached_st *ptr,
   }
   else
   {
-    *value= (uint64_t)strtoll(buffer, (char **)NULL, 10);
+    *value= strtoull(buffer, (char **)NULL, 10);
     rc= MEMCACHED_SUCCESS;
   }
 
   return rc;
 }
 
+static memcached_return binary_incr_decr(memcached_st *ptr, uint8_t cmd,
+                                         const char *key, size_t key_length,
+                                         uint64_t offset, uint64_t initial,
+                                         time_t expiration,
+                                         uint64_t *value) 
+{
+  unsigned int server_key;
+  bool no_reply= (ptr->flags & MEM_NOREPLY);
+
+  unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
+    return MEMCACHED_NO_SERVERS;
+
+  server_key= memcached_generate_hash(ptr, key, key_length);
+
+  if (no_reply)
+  {
+    if(cmd == PROTOCOL_BINARY_CMD_DECREMENT)
+      cmd= PROTOCOL_BINARY_CMD_DECREMENTQ;
+    if(cmd == PROTOCOL_BINARY_CMD_INCREMENT)
+      cmd= PROTOCOL_BINARY_CMD_INCREMENTQ;
+  }
+  protocol_binary_request_incr request= {.bytes= {0}};
+
+  request.message.header.request.magic= PROTOCOL_BINARY_REQ;
+  request.message.header.request.opcode= cmd;
+  request.message.header.request.keylen= htons(key_length);
+  request.message.header.request.extlen= 20;
+  request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
+  request.message.header.request.bodylen= htonl(key_length + request.message.header.request.extlen);  
+  request.message.body.delta= htonll(offset);
+  request.message.body.initial= htonll(initial);
+  request.message.body.expiration= htonl(expiration);
+
+  if ((memcached_do(&ptr->hosts[server_key], request.bytes,
+                    sizeof(request.bytes), 0)!=MEMCACHED_SUCCESS) ||
+      (memcached_io_write(&ptr->hosts[server_key], key, key_length, 1) == -1)) 
+  {
+    memcached_io_reset(&ptr->hosts[server_key]);
+    return MEMCACHED_WRITE_FAILURE;
+  }
+
+  if (no_reply)
+    return MEMCACHED_SUCCESS;
+  return memcached_response(&ptr->hosts[server_key], (char*)value, sizeof(*value), NULL);
+}
+
 memcached_return memcached_increment(memcached_st *ptr, 
-                                     char *key, size_t key_length,
+                                     const char *key, size_t key_length,
                                      uint32_t offset,
                                      uint64_t *value)
 {
-  memcached_return rc;
+  memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+  unlikely (rc != MEMCACHED_SUCCESS)
+    return rc;
 
   LIBMEMCACHED_MEMCACHED_INCREMENT_START();
-  rc= memcached_auto(ptr, "incr", key, key_length, offset, value);
+  if (ptr->flags & MEM_BINARY_PROTOCOL) 
+    rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT, key, key_length,
+                         (uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD,
+                         value);
+  else 
+     rc= memcached_auto(ptr, "incr", key, key_length, offset, value);
+  
   LIBMEMCACHED_MEMCACHED_INCREMENT_END();
 
   return rc;
 }
 
 memcached_return memcached_decrement(memcached_st *ptr, 
-                                     char *key, size_t key_length,
+                                     const char *key, size_t key_length,
                                      uint32_t offset,
                                      uint64_t *value)
 {
-  memcached_return rc;
+  memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+  unlikely (rc != MEMCACHED_SUCCESS)
+    return rc;
 
   LIBMEMCACHED_MEMCACHED_DECREMENT_START();
-  rc= memcached_auto(ptr, "decr", key, key_length, offset, value);
+  if (ptr->flags & MEM_BINARY_PROTOCOL) 
+    rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT, key, key_length,
+                         (uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD,
+                         value);
+  else 
+    rc= memcached_auto(ptr, "decr", key, key_length, offset, value);      
+  
   LIBMEMCACHED_MEMCACHED_DECREMENT_END();
 
   return rc;
 }
+
+memcached_return memcached_increment_with_initial(memcached_st *ptr,
+                                                  const char *key,
+                                                  size_t key_length,
+                                                  uint64_t offset,
+                                                  uint64_t initial,
+                                                  time_t expiration,
+                                                  uint64_t *value)
+{
+  memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+  unlikely (rc != MEMCACHED_SUCCESS)
+    return rc;
+
+  LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START();
+  if (ptr->flags & MEM_BINARY_PROTOCOL)
+    rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT, key,
+                         key_length, offset, initial, expiration, value);
+  else
+    rc= MEMCACHED_PROTOCOL_ERROR;
+
+  LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END();
+
+  return rc;
+}
+
+memcached_return memcached_decrement_with_initial(memcached_st *ptr,
+                                                  const char *key,
+                                                  size_t key_length,
+                                                  uint64_t offset,
+                                                  uint64_t initial,
+                                                  time_t expiration,
+                                                  uint64_t *value)
+{
+  memcached_return rc= memcached_validate_key_length(key_length, ptr->flags & MEM_BINARY_PROTOCOL);
+  unlikely (rc != MEMCACHED_SUCCESS)
+    return rc;
+
+  LIBMEMCACHED_MEMCACHED_DECREMENT_WITH_INITIAL_START();
+  if (ptr->flags & MEM_BINARY_PROTOCOL)
+    rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT, key,
+                         key_length, offset, initial, expiration, value);
+  else
+    rc= MEMCACHED_PROTOCOL_ERROR;
+
+  LIBMEMCACHED_MEMCACHED_DECREMENT_WITH_INITIAL_END();
+
+  return rc;
+}