Pushing missing doc, update to list of functions at bottom of

[m6w6/libmemcached] / lib / memcached_response.c

diff --git a/lib/memcached_response.c b/lib/memcached_response.c
index 1d0937af7999f6005ba677b798eccf55e32c2808..6ec120c8662208e2ed7a8eb1f7ba2f1c7dc0eab1 100644 (file)
--- a/lib/memcached_response.c
+++ b/lib/memcached_response.c
@@ -5,73 +5,143 @@
   from an issued command.
 */
 
-#include <memcached.h>
+#include "common.h"
+#include "memcached_io.h"
 
 memcached_return memcached_response(memcached_st *ptr, 
                                     char *buffer, size_t buffer_length,
+                                    memcached_result_st *result,
                                     unsigned int server_key)
 {
+  unsigned int x;
   size_t send_length;
   char *buffer_ptr;
+  unsigned int max_messages;
 
-  memset(buffer, 0, buffer_length);
 
-  buffer_ptr= buffer;
-  while (1)
+  send_length= 0;
+
+  /* We may have old commands in the buffer not set, first purge */
+  if (ptr->flags & MEM_NO_BLOCK)
+    (void)memcached_io_write(ptr, server_key, NULL, 0, 1);
+
+  max_messages= memcached_server_response_count(ptr, server_key);
+  for (x= 0; x <  max_messages; x++)
   {
-    unsigned int read_length;
-    read_length= read(ptr->hosts[server_key].fd, buffer_ptr, 1);
+    size_t total_length= 0;
+    buffer_ptr= buffer;
 
-    if (read_length != 1)
-      return  MEMCACHED_UNKNOWN_READ_FAILURE;
+    while (1)
+    {
+      unsigned int read_length;
 
-    if (*buffer_ptr == '\n')
-      break;
-    else
-      buffer_ptr++;
+      read_length= memcached_io_read(ptr, server_key,
+                                     buffer_ptr, 1);
+
+      if (read_length != 1)
+        return  MEMCACHED_UNKNOWN_READ_FAILURE;
+
+      if (*buffer_ptr == '\n')
+        break;
+      else
+        buffer_ptr++;
+
+      total_length++;
+      WATCHPOINT_ASSERT(total_length <= buffer_length);
+
+      if (total_length >= buffer_length)
+        return MEMCACHED_PROTOCOL_ERROR;
+    }
+    buffer_ptr++;
+    *buffer_ptr= 0;
+
+    memcached_server_response_decrement(ptr, server_key);
   }
 
-  if (send_length)
-    switch(buffer[0])
+  switch(buffer[0])
+  {
+  case 'V': /* VALUE || VERSION */
+    if (buffer[1] == 'A') /* VALUE */
+    {
+      memcached_return rc;
+
+      /* We add back in one because we will need to search for END */
+      memcached_server_response_increment(ptr, server_key);
+      if (result)
+        rc= value_fetch(ptr, buffer, result, server_key);
+      else
+        rc= value_fetch(ptr, buffer, &ptr->result, server_key);
+
+      return rc;
+    }
+    else if (buffer[1] == 'E') /* VERSION */
     {
-    case 'V': /* VALUE */
-      return MEMCACHED_SUCCESS;
-    case 'O': /* OK */
-      return MEMCACHED_SUCCESS;
-    case 'S': /* STORED STATS SERVER_ERROR */
-      {
-        if (buffer[1] == 'T') /* STORED STATS */
-          return MEMCACHED_SUCCESS;
-        else if (buffer[1] == 'E')
-          return MEMCACHED_SERVER_ERROR;
-        else
-          return MEMCACHED_UNKNOWN_READ_FAILURE;
-      }
-    case 'D': /* DELETED */
       return MEMCACHED_SUCCESS;
-    case 'N': /* NOT_FOUND */
+    }
+    else
+    {
+      WATCHPOINT_STRING(buffer);
+      WATCHPOINT_ASSERT(0);
+      return MEMCACHED_UNKNOWN_READ_FAILURE;
+    }
+  case 'O': /* OK */
+    return MEMCACHED_SUCCESS;
+  case 'S': /* STORED STATS SERVER_ERROR */
+    {
+      if (buffer[2] == 'A') /* STORED STATS */
       {
-        if (buffer[4] == 'F')
-          return MEMCACHED_NOTFOUND;
-        else if (buffer[4] == 'S')
-          return MEMCACHED_NOTSTORED;
-        else
-          return MEMCACHED_UNKNOWN_READ_FAILURE;
+        memcached_server_response_increment(ptr, server_key);
+        return MEMCACHED_STAT;
       }
-    case 'E': /* PROTOCOL ERROR or END */
+      else if (buffer[1] == 'E')
+        return MEMCACHED_SERVER_ERROR;
+      else if (buffer[1] == 'T')
+        return MEMCACHED_STORED;
+      else
       {
-        if (buffer[1] == 'N')
-          return MEMCACHED_NOTFOUND;
-        else if (buffer[1] == 'R')
-          return MEMCACHED_PROTOCOL_ERROR;
-        else
-          return MEMCACHED_UNKNOWN_READ_FAILURE;
+        WATCHPOINT_STRING(buffer);
+        WATCHPOINT_ASSERT(0);
+        return MEMCACHED_UNKNOWN_READ_FAILURE;
       }
-    case 'C': /* CLIENT ERROR */
-      return MEMCACHED_CLIENT_ERROR;
-    default:
-      return MEMCACHED_UNKNOWN_READ_FAILURE;
     }
+  case 'D': /* DELETED */
+    return MEMCACHED_DELETED;
+  case 'N': /* NOT_FOUND */
+    {
+      if (buffer[4] == 'F')
+        return MEMCACHED_NOTFOUND;
+      else if (buffer[4] == 'S')
+        return MEMCACHED_NOTSTORED;
+      else
+        return MEMCACHED_UNKNOWN_READ_FAILURE;
+    }
+  case 'E': /* PROTOCOL ERROR or END */
+    {
+      if (buffer[1] == 'N')
+        return MEMCACHED_END;
+      else if (buffer[1] == 'R')
+        return MEMCACHED_PROTOCOL_ERROR;
+      else
+        return MEMCACHED_UNKNOWN_READ_FAILURE;
+    }
+  case 'C': /* CLIENT ERROR */
+    return MEMCACHED_CLIENT_ERROR;
+  default:
+    return MEMCACHED_UNKNOWN_READ_FAILURE;
+
+  }
+
+  return MEMCACHED_SUCCESS;
+}
 
-  return MEMCACHED_READ_FAILURE;
+char *memcached_result_value(memcached_result_st *ptr)
+{
+  memcached_string_st *sptr= &ptr->value;
+  return memcached_string_value(sptr);
+}
+
+size_t memcached_result_length(memcached_result_st *ptr)
+{
+  memcached_string_st *sptr= &ptr->value;
+  return memcached_string_length(sptr);
 }