git.m6w6.name Git - m6w6/libmemcached/blob - lib/memcached.c

   1 /*
   2   Memcached library
   3 */
   4 #include <memcached.h>
   5
   6 memcached_st *memcached_init(memcached_st *ptr)
   7 {
   8   if (!ptr)
   9   {
  10     ptr= (memcached_st *)malloc(sizeof(memcached_st));
  11
  12     if (!ptr)
  13       return NULL; /*  MEMCACHED_MEMORY_ALLOCATION_FAILURE */
  14
  15     memset(ptr, 0, sizeof(memcached_st));
  16     ptr->is_allocated= MEMCACHED_ALLOCATED;
  17   }
  18   else
  19   {
  20     memset(ptr, 0, sizeof(memcached_st));
  21   }
  22   ptr->fd= -1;
  23
  24   return ptr;
  25 }
  26
  27 memcached_return memcached_increment(memcached_st *ptr, char *key, size_t key_length,
  28                                      unsigned int count)
  29 {
  30   return MEMCACHED_SUCCESS;
  31 }
  32
  33 memcached_return memcached_decrement(memcached_st *ptr, char *key, size_t key_length,
  34                                      unsigned int count)
  35 {
  36   return MEMCACHED_SUCCESS;
  37 }
  38
  39 memcached_return memcached_flush(memcached_st *ptr, time_t expiration)
  40 {
  41   size_t send_length;
  42   memcached_return rc;
  43   char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
  44
  45   rc= memcached_connect(ptr);
  46
  47   if (expiration)
  48     send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
  49                           "flush_all %u\r\n", expiration);
  50   else
  51     send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
  52                           "flush_all\r\n");
  53   if ((send(ptr->fd, buffer, send_length, 0) == -1))
  54   {
  55     fprintf(stderr, "failed flush_all TCP\n");
  56
  57     return MEMCACHED_WRITE_FAILURE;
  58   }
  59
  60   return memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE);
  61 }
  62
  63 char *memcached_version(memcached_st *ptr, memcached_return *error)
  64 {
  65   return MEMCACHED_SUCCESS;
  66 }
  67
  68 memcached_return memcached_verbosity(memcached_st *ptr, unsigned int verbosity)
  69 {
  70   return MEMCACHED_SUCCESS;
  71 }
  72
  73 memcached_return memcached_quit(memcached_st *ptr)
  74 {
  75   return MEMCACHED_SUCCESS;
  76 }
  77
  78 void memcached_deinit(memcached_st *ptr)
  79 {
  80   memcached_host_st *host_ptr;
  81
  82   if (ptr->fd > 0)
  83     close(ptr->fd);
  84
  85   for (host_ptr= ptr->hosts; host_ptr;)
  86   {
  87     memcached_host_st *temp;
  88
  89     temp= host_ptr;
  90     host_ptr= host_ptr->next;
  91     if (temp->hostname)
  92       free(temp->hostname);
  93     free(temp);
  94   }
  95
  96   if (ptr->is_allocated == MEMCACHED_ALLOCATED)
  97     free(ptr);
  98   else
  99     memset(ptr, 0, sizeof(memcached_st));
 100 }
 101
 102 char *memcached_strerror(memcached_st *ptr, memcached_return rc)
 103 {
 104   switch (rc)
 105   {
 106   case MEMCACHED_SUCCESS:
 107     return "SUCCESS";
 108   case MEMCACHED_FAILURE:
 109     return "FAILURE";
 110   case MEMCACHED_HOST_LOCKUP_FAILURE:
 111     return "HOSTNAME LOOKUP FAILURE";
 112   case MEMCACHED_CONNECTION_FAILURE:
 113     return "CONNECTION FAILURE";
 114   case MEMCACHED_CONNECTION_BIND_FAILURE:
 115     return "CONNECTION BIND FAILURE";
 116   case MEMCACHED_READ_FAILURE:
 117     return "READ FAILURE";
 118   case MEMCACHED_UNKNOWN_READ_FAILURE:
 119     return "UNKNOWN READ FAILURE";
 120   case MEMCACHED_PROTOCOL_ERROR:
 121     return "PROTOCOL ERROR";
 122   case MEMCACHED_CLIENT_ERROR:
 123     return "CLIENT ERROR";
 124   case MEMCACHED_SERVER_ERROR:
 125     return "SERVER ERROR";
 126   case MEMCACHED_WRITE_FAILURE:
 127     return "WRITE FAILURE";
 128   case MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE:
 129     return "CONNECTION SOCKET CREATE FAILURE";
 130   case MEMCACHED_DATA_EXISTS:
 131     return "CONNECTION DATA EXISTS";
 132   case MEMCACHED_DATA_DOES_NOT_EXIST:
 133     return "CONNECTION DATA DOES NOT EXIST";
 134   case MEMCACHED_NOTSTORED:
 135     return "NOT STORED";
 136   case MEMCACHED_NOTFOUND:
 137     return "NOT FOUND";
 138   case MEMCACHED_MEMORY_ALLOCATION_FAILURE:
 139     return "MEMORY ALLOCATION FAILURE";
 140   case MEMCACHED_PARTIAL_READ:
 141     return "PARTIAL READ";
 142   };
 143 }