/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
+ *
* Libmemcached library
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
*/
#include <libmemcached/common.h>
+#include <libmemcached/string.hpp>
static memcached_return_t textual_read_one_response(memcached_server_write_instance_st ptr,
char *buffer, size_t buffer_length,
rc == MEMCACHED_PROTOCOL_ERROR or
rc == MEMCACHED_CLIENT_ERROR or
rc == MEMCACHED_MEMORY_ALLOCATION_FAILURE)
+ {
memcached_io_reset(ptr);
+ }
return rc;
}
ssize_t read_length= 0;
if (ptr->root->flags.use_udp)
+ {
return memcached_set_error(*ptr, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT);
+ }
WATCHPOINT_ASSERT(ptr->root);
end_ptr= buffer + MEMCACHED_DEFAULT_COMMAND_SIZE;
/* We add two bytes so that we can walk the \r\n */
if (memcached_failed(memcached_string_check(&result->value, value_length +2)))
{
- value_length= 0;
return memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
}
char *buffer, size_t buffer_length,
memcached_result_st *result)
{
- memcached_return_t rc= memcached_io_readline(ptr, buffer, buffer_length);
+ size_t total_read;
+ memcached_return_t rc= memcached_io_readline(ptr, buffer, buffer_length, total_read);
+
if (memcached_failed(rc))
{
return rc;
}
case 'O': /* OK */
return MEMCACHED_SUCCESS;
+
case 'S': /* STORED STATS SERVER_ERROR */
{
if (buffer[2] == 'A') /* STORED STATS */
}
else if (buffer[1] == 'E') /* SERVER_ERROR */
{
- char *startptr= buffer + 13, *endptr= startptr;
+ if (total_read == memcached_literal_param_size("SERVER_ERROR"))
+ {
+ return MEMCACHED_SERVER_ERROR;
+ }
+
+ if (total_read > memcached_literal_param_size("SERVER_ERROR object too large for cache") and
+ (memcmp(buffer, memcached_literal_param("SERVER_ERROR object too large for cache")) == 0))
+ {
+ return MEMCACHED_E2BIG;
+ }
+ // Move past the basic error message and whitespace
+ char *startptr= buffer + memcached_literal_param_size("SERVER_ERROR");
+ if (startptr[0] == ' ')
+ {
+ startptr++;
+ }
+
+ char *endptr= startptr;
while (*endptr != '\r' && *endptr != '\n') endptr++;
return memcached_set_error(*ptr, MEMCACHED_SERVER_ERROR, MEMCACHED_AT, startptr, size_t(endptr - startptr));
case 'N': /* NOT_FOUND */
{
if (buffer[4] == 'F')
+ {
return MEMCACHED_NOTFOUND;
+ }
else if (buffer[4] == 'S')
+ {
return MEMCACHED_NOTSTORED;
+ }
else
{
WATCHPOINT_STRING(buffer);
case 'E': /* PROTOCOL ERROR or END */
{
if (buffer[1] == 'N')
+ {
return MEMCACHED_END;
+ }
else if (buffer[1] == 'R')
+ {
return MEMCACHED_PROTOCOL_ERROR;
+ }
else if (buffer[1] == 'X')
+ {
return MEMCACHED_DATA_EXISTS;
+ }
else
{
WATCHPOINT_STRING(buffer);
}
}
+ case 'T': /* TOUCHED */
+ {
+ if (buffer[1] == 'O' and buffer[2] == 'U'
+ and buffer[3] == 'C' and buffer[4] == 'H'
+ and buffer[5] == 'E' and buffer[6] == 'D')
+ {
+ return MEMCACHED_SUCCESS;
+ }
+ }
+ return MEMCACHED_UNKNOWN_READ_FAILURE;
+
case 'I': /* CLIENT ERROR */
/* We add back in one because we will need to search for END */
memcached_server_response_increment(ptr);
return MEMCACHED_ITEM;
+
case 'C': /* CLIENT ERROR */
return MEMCACHED_CLIENT_ERROR;
+
default:
{
unsigned long long auto_return_value;
header.response.cas= memcached_ntohll(header.response.cas);
uint32_t bodylen= header.response.bodylen;
- if (header.response.status == PROTOCOL_BINARY_RESPONSE_SUCCESS ||
+ if (header.response.status == PROTOCOL_BINARY_RESPONSE_SUCCESS or
header.response.status == PROTOCOL_BINARY_RESPONSE_AUTH_CONTINUE)
{
switch (header.response.opcode)
case PROTOCOL_BINARY_CMD_APPEND:
case PROTOCOL_BINARY_CMD_PREPEND:
case PROTOCOL_BINARY_CMD_DELETE:
+ case PROTOCOL_BINARY_CMD_TOUCH:
{
WATCHPOINT_ASSERT(bodylen == 0);
return MEMCACHED_SUCCESS;
}
+
case PROTOCOL_BINARY_CMD_NOOP:
{
WATCHPOINT_ASSERT(bodylen == 0);
return MEMCACHED_END;
}
+
case PROTOCOL_BINARY_CMD_STAT:
{
if (bodylen == 0)
case PROTOCOL_BINARY_CMD_APPENDQ:
case PROTOCOL_BINARY_CMD_PREPENDQ:
return binary_read_one_response(ptr, buffer, buffer_length, result);
+
default:
break;
}
}
rc= MEMCACHED_SUCCESS;
- unlikely(header.response.status != 0)
+ if (header.response.status != 0)
+ {
switch (header.response.status)
{
case PROTOCOL_BINARY_RESPONSE_KEY_ENOENT:
rc= MEMCACHED_NOTFOUND;
break;
+
case PROTOCOL_BINARY_RESPONSE_KEY_EEXISTS:
rc= MEMCACHED_DATA_EXISTS;
break;
+
case PROTOCOL_BINARY_RESPONSE_NOT_STORED:
rc= MEMCACHED_NOTSTORED;
break;
+
case PROTOCOL_BINARY_RESPONSE_E2BIG:
rc= MEMCACHED_E2BIG;
break;
+
case PROTOCOL_BINARY_RESPONSE_ENOMEM:
rc= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
break;
+
case PROTOCOL_BINARY_RESPONSE_AUTH_CONTINUE:
rc= MEMCACHED_AUTH_CONTINUE;
break;
+
case PROTOCOL_BINARY_RESPONSE_AUTH_ERROR:
rc= MEMCACHED_AUTH_FAILURE;
break;
+
case PROTOCOL_BINARY_RESPONSE_EINVAL:
case PROTOCOL_BINARY_RESPONSE_UNKNOWN_COMMAND:
default:
rc= MEMCACHED_PROTOCOL_ERROR;
break;
}
+ }
return rc;
}