/* LibMemcached
* Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
* Copyright (C) 2006-2009 Brian Aker
* All rights reserved.
*
* Use and distribution licensed under the BSD license. See
* the COPYING file in the parent directory for full text.
*
* Summary:
*
*/
#include <mem_config.h>
#include <clients/utilities.h>
#include <cstdio>
#include <cassert>
#include <cstdlib>
#include <cstring>
#include <ctype.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
long int timedif(struct timeval a, struct timeval b)
{
long us, s;
us = (int)(a.tv_usec - b.tv_usec);
us /= 1000;
s = (int)(a.tv_sec - b.tv_sec);
s *= 1000;
return s + us;
}
void version_command(const char *command_name)
{
printf("%s v%u.%u\n", command_name, 1U, 0U);
exit(EXIT_SUCCESS);
}
void close_stdio(void)
{
int fd;
if ((fd = open("/dev/null", O_RDWR, 0)) < 0)
{
return;
}
else
{
if (dup2(fd, STDIN_FILENO) < 0)
{
return;
}
if (dup2(fd, STDOUT_FILENO) < 0)
{
return;
}
if (dup2(fd, STDERR_FILENO) < 0)
{
return;
}
if (fd > STDERR_FILENO)
{
close(fd);
}
}
}
static const char *lookup_help(memcached_options option)
{
switch (option)
{
case OPT_SERVERS: return("List which servers you wish to connect to.");
case OPT_VERSION: return("Display the version of the application and then exit.");
case OPT_HELP: return("Display this message and then exit.");
case OPT_VERBOSE: return("Give more details on the progression of the application.");
case OPT_QUIET: return("stderr and stdin will be closed at application startup.");
case OPT_DEBUG: return("Provide output only useful for debugging.");
case OPT_FLAG: return("Provide flag information for storage operation.");
case OPT_EXPIRE: return("Set the expire option for the object.");
case OPT_SET: return("Use set command with memcached when storing.");
case OPT_REPLACE: return("Use replace command with memcached when storing.");
case OPT_ADD: return("Use add command with memcached when storing.");
case OPT_SLAP_EXECUTE_NUMBER: return("Number of times to execute the given test.");
case OPT_SLAP_INITIAL_LOAD: return("Number of key pairs to load before executing tests.");
case OPT_SLAP_TEST: return("Test to run (currently \"get\" or \"set\").");
case OPT_SLAP_CONCURRENCY: return("Number of users to simulate with load.");
case OPT_SLAP_NON_BLOCK: return("Set TCP up to use non-blocking IO.");
case OPT_SLAP_TCP_NODELAY: return("Set TCP socket up to use nodelay.");
case OPT_FLUSH: return("Flush servers before running tests.");
case OPT_HASH: return("Select hash type.");
case OPT_BINARY: return("Switch to binary protocol.");
case OPT_ANALYZE: return("Analyze the provided servers.");
case OPT_UDP: return("Use UDP protocol when communicating with server.");
case OPT_BUFFER: return("Enable request buffering.");
case OPT_USERNAME: return "Username to use for SASL authentication";
case OPT_PASSWD: return "Password to use for SASL authentication";
case OPT_FILE: return "Path to file in which to save result";
case OPT_STAT_ARGS: return "Argument for statistics";
case OPT_SERVER_VERSION: return "Memcached daemon software version";
default:
break;
};
assert(0);
return "forgot to document this function :)";
}
void help_command(const char *command_name, const char *description,
const struct option *long_options,
memcached_programs_help_st *options)
{
unsigned int x;
(void)options;
printf("%s v%u.%u\n\n", command_name, 1U, 0U);
printf("\t%s\n\n", description);
printf("Current options. A '=' means the option takes a value.\n\n");
for (x= 0; long_options[x].name; x++)
{
const char *help_message;
printf("\t --%s%c\n", long_options[x].name,
long_options[x].has_arg ? '=' : ' ');
if ((help_message= lookup_help(memcached_options(long_options[x].val))))
printf("\t\t%s\n", help_message);
}
printf("\n");
exit(EXIT_SUCCESS);
}
void process_hash_option(memcached_st *memc, char *opt_hash)
{
uint64_t set;
memcached_return_t rc;
if (opt_hash == NULL)
{
return;
}
set= MEMCACHED_HASH_DEFAULT; /* Just here to solve warning */
if (!strcasecmp(opt_hash, "CRC"))
{
set= MEMCACHED_HASH_CRC;
}
else if (!strcasecmp(opt_hash, "FNV1_64"))
{
set= MEMCACHED_HASH_FNV1_64;
}
else if (!strcasecmp(opt_hash, "FNV1A_64"))
{
set= MEMCACHED_HASH_FNV1A_64;
}
else if (!strcasecmp(opt_hash, "FNV1_32"))
{
set= MEMCACHED_HASH_FNV1_32;
}
else if (!strcasecmp(opt_hash, "FNV1A_32"))
{
set= MEMCACHED_HASH_FNV1A_32;
}
else
{
fprintf(stderr, "hash: type not recognized %s\n", opt_hash);
exit(EXIT_FAILURE);
}
rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_HASH, set);
if (rc != MEMCACHED_SUCCESS)
{
fprintf(stderr, "hash: memcache error %s\n", memcached_strerror(memc, rc));
exit(EXIT_FAILURE);
}
}
void initialize_sockets(void)
{
/* Define the function for all platforms to avoid #ifdefs in each program */
#if defined(_WIN32)
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2,0), &wsaData) != 0)
{
fprintf(stderr, "Socket Initialization Error. Program aborted\n");
exit(EXIT_FAILURE);
}
#endif // #if defined(_WIN32)
}