-/* LibMemcached
- * Copyright (C) 2006-2009 Brian Aker
- * All rights reserved.
+/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ *
+ * Libmemcached library
*
- * Use and distribution licensed under the BSD license. See
- * the COPYING file in the parent directory for full text.
+ * Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ * Copyright (C) 2006-2009 Brian Aker All rights reserved.
*
- * Summary:
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * * The names of its contributors may not be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
+
/*
Startup, and shutdown the memcached servers.
*/
#include <config.h>
+#include <iso646.h>
+
#include <assert.h>
#include <limits.h>
#include <signal.h>
if (libmemcached_util_ping("localhost", construct->port[x], NULL))
{
- port_base++;
- construct->port[x]= 0;
+ if (libmemcached_util_flush("localhost", construct->port[x], NULL))
+ {
+ fprintf(stderr, "Found server on port %d, flushed it!\n", (int)construct->port[x]);
+ construct->is_used[x]= true;
+ } // If we can flush it, we will just use it
+ else
+ {
+ fprintf(stderr, "Found server on port %d, could not flush it, so trying next port.\n", (int)construct->port[x]);
+ port_base++;
+ construct->port[x]= 0;
+ }
}
} while (construct->port[x] == 0);
}
MEMCACHED_BINARY, construct->pid_file[x], construct->port[x], construct->port[x]);
}
- if (libmemcached_util_ping("localhost", construct->port[x], NULL))
- {
- fprintf(stderr, "Server on port %u already exists\n", construct->port[x]);
- }
- else
- {
- status= system(buffer);
- fprintf(stderr, "STARTING SERVER: %s status:%d\n", buffer, status);
- }
+ if (construct->is_used[x])
+ {
+ fprintf(stderr, "USING SERVER: %s\n", buffer);
+ }
+ else
+ {
+ if (libmemcached_util_ping("localhost", construct->port[x], NULL))
+ {
+ fprintf(stderr, "Server on port %u already exists\n", construct->port[x]);
+ }
+ else
+ {
+ status= system(buffer);
+ fprintf(stderr, "STARTING SERVER: %s status:%d\n", buffer, status);
+ }
+ }
int count;
size_t remaining_length= sizeof(server_string_buffer) - (size_t)(end_ptr -server_string_buffer);
for (uint32_t x= 0; x < construct->count; x++)
{
uint32_t counter= 3000; // Absurd, just to catch run away process
+
+ if (construct->is_used[x])
+ continue;
+
while (construct->pids[x] <= 0 && --counter)
{
FILE *file= fopen(construct->pid_file[x], "r");
}
fclose(file);
}
+
switch (errno)
{
default:
- fprintf(stderr, "%s -> fopen(%s)\n", construct->pid_file[x], strerror(errno));
+ fprintf(stderr, "Could not open pid file %s -> fopen(%s) -> %s:%d\n", construct->pid_file[x], strerror(errno), __FILE__, __LINE__);
abort();
+
case ENOENT:
case EINTR:
case EACCES:
+ case EINPROGRESS:
break;
+
case ENOTCONN:
continue;
}
{
for (uint32_t x= 0; x < construct->count; x++)
{
+ if (construct->is_used[x])
+ continue;
+
kill_file(construct->pid_file[x]);
}