+/* LibMemcached
+ * 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:
+ *
+ * Authors:
+ * Brian Aker
+ * Toru Maesaka
+ */
+
#include "libmemcached/common.h"
#include <stdio.h>
#include <sys/types.h>
/* Prototypes */
static void options_parse(int argc, char *argv[]);
-static void run_analyzer(memcached_st *memc, memcached_stat_st *memc_stat,
- memcached_server_st *server_list);
-static void print_server_listing(memcached_st *memc, memcached_stat_st *memc_stat,
- memcached_server_st *server_list);
+static void run_analyzer(memcached_st *memc, memcached_stat_st *memc_stat);
static void print_analysis_report(memcached_st *memc,
- memcached_analysis_st *report,
- memcached_server_st *server_list);
+ memcached_analysis_st *report);
static int opt_verbose= 0;
static int opt_displayflag= 0;
{0, 0, 0, 0},
};
+
+static memcached_return_t server_print_callback(const memcached_st *memc,
+ memcached_server_instance_st instance,
+ void *context)
+{
+ memcached_stat_st server_stat;
+ memcached_return_t rc;
+ char **list;
+ char **ptr;
+
+ (void)context;
+
+ rc= memcached_stat_servername(&server_stat, NULL,
+ memcached_server_name(instance),
+ memcached_server_port(instance));
+
+ list= memcached_stat_get_keys(memc, &server_stat, &rc);
+
+ printf("Server: %s (%u)\n", memcached_server_name(instance),
+ (uint32_t)memcached_server_port(instance));
+
+ for (ptr= list; *ptr; ptr++)
+ {
+ char *value= memcached_stat_get_value(memc, &server_stat, *ptr, &rc);
+
+ printf("\t %s: %s\n", *ptr, value);
+ free(value);
+ }
+
+ free(list);
+ printf("\n");
+
+ return MEMCACHED_SUCCESS;
+}
+
int main(int argc, char *argv[])
{
- memcached_return rc;
+ memcached_return_t rc;
memcached_st *memc;
- memcached_stat_st *memc_stat;
memcached_server_st *servers;
- memcached_server_st *server_list;
options_parse(argc, argv);
- if (!opt_servers)
+ if (! opt_servers)
{
char *temp;
memc= memcached_create(NULL);
servers= memcached_servers_parse(opt_servers);
- memcached_server_push(memc, servers);
+ rc= memcached_server_push(memc, servers);
memcached_server_list_free(servers);
- memc_stat= memcached_stat(memc, NULL, &rc);
-
if (rc != MEMCACHED_SUCCESS && rc != MEMCACHED_SOME_ERRORS)
{
printf("Failure to communicate with servers (%s)\n",
exit(1);
}
- server_list= memcached_server_list(memc);
-
if (opt_analyze)
- run_analyzer(memc, memc_stat, server_list);
+ {
+ memcached_stat_st *memc_stat;
+
+ memc_stat= memcached_stat(memc, NULL, &rc);
+
+ if (! memc_stat)
+ exit(-1);
+
+ run_analyzer(memc, memc_stat);
+
+ memcached_stat_free(memc, memc_stat);
+ }
else
- print_server_listing(memc, memc_stat, server_list);
+ {
+ memcached_server_fn callbacks[1];
+
+ callbacks[0]= server_print_callback;
+ rc= memcached_server_cursor(memc, callbacks,
+ NULL, 1);
+
+ }
- free(memc_stat);
free(opt_servers);
memcached_free(memc);
- return 0;
+ return rc == MEMCACHED_SUCCESS ? 0: -1;
}
-static void run_analyzer(memcached_st *memc, memcached_stat_st *memc_stat,
- memcached_server_st *server_list)
+static void run_analyzer(memcached_st *memc, memcached_stat_st *memc_stat)
{
- memcached_return rc;
+ memcached_return_t rc;
if (analyze_mode == NULL)
{
memcached_strerror(memc, rc));
exit(1);
}
- print_analysis_report(memc, report, server_list);
+ print_analysis_report(memc, report);
free(report);
}
else if (strcmp(analyze_mode, "latency") == 0)
{
memcached_st **servers;
- uint32_t x, y, flags, server_count= memcached_server_count(memc);
+ uint32_t flags, server_count= memcached_server_count(memc);
uint32_t num_of_tests= 32;
const char *test_key= "libmemcached_test_key";
return;
}
- for (x= 0; x < server_count; x++)
+ for (uint32_t x= 0; x < server_count; x++)
{
- if((servers[x]= memcached_create(NULL)) == NULL)
+ memcached_server_instance_st instance=
+ memcached_server_instance_by_position(memc, x);
+
+ if ((servers[x]= memcached_create(NULL)) == NULL)
{
fprintf(stderr, "Failed to memcached_create()\n");
if (x > 0)
return;
}
memcached_server_add(servers[x],
- memcached_server_name(memc, server_list[x]),
- memcached_server_port(memc, server_list[x]));
+ memcached_server_name(instance),
+ memcached_server_port(instance));
}
printf("Network Latency Test:\n\n");
struct timeval start_time, end_time;
- long elapsed_time, slowest_time= 0, slowest_server= 0;
+ uint32_t slowest_server= 0;
+ long elapsed_time, slowest_time= 0;
- for (x= 0; x < server_count; x++)
+ for (uint32_t x= 0; x < server_count; x++)
{
+ memcached_server_instance_st instance=
+ memcached_server_instance_by_position(memc, x);
gettimeofday(&start_time, NULL);
- for (y= 0; y < num_of_tests; y++)
+
+ for (uint32_t y= 0; y < num_of_tests; y++)
{
size_t vlen;
char *val= memcached_get(servers[x], test_key, strlen(test_key),
if (elapsed_time > slowest_time)
{
- slowest_server= (long)x;
+ slowest_server= x;
slowest_time= elapsed_time;
}
if (rc != MEMCACHED_NOTFOUND && rc != MEMCACHED_SUCCESS)
{
printf("\t %s (%d) => failed to reach the server\n",
- memcached_server_name(memc, server_list[x]),
- memcached_server_port(memc, server_list[x]));
+ memcached_server_name(instance),
+ memcached_server_port(instance));
}
else
{
printf("\t %s (%d) => %ld.%ld seconds\n",
- memcached_server_name(memc, server_list[x]),
- memcached_server_port(memc, server_list[x]),
+ memcached_server_name(instance),
+ memcached_server_port(instance),
elapsed_time / 1000, elapsed_time % 1000);
}
}
if (server_count > 1 && slowest_time > 0)
{
+ memcached_server_instance_st slowest=
+ memcached_server_instance_by_position(memc, slowest_server);
+
printf("---\n");
printf("Slowest Server: %s (%d) => %ld.%ld seconds\n",
- memcached_server_name(memc, server_list[slowest_server]),
- memcached_server_port(memc, server_list[slowest_server]),
+ memcached_server_name(slowest),
+ memcached_server_port(slowest),
slowest_time / 1000, slowest_time % 1000);
}
printf("\n");
- for (x= 0; x < server_count; x++)
+ for (uint32_t x= 0; x < server_count; x++)
memcached_free(servers[x]);
free(servers);
}
}
-static void print_server_listing(memcached_st *memc, memcached_stat_st *memc_stat,
- memcached_server_st *server_list)
-{
- unsigned int x;
- memcached_return rc;
-
- printf("Listing %u Server\n\n", memcached_server_count(memc));
- for (x= 0; x < memcached_server_count(memc); x++)
- {
- char **list;
- char **ptr;
-
- list= memcached_stat_get_keys(memc, &memc_stat[x], &rc);
-
- printf("Server: %s (%u)\n", memcached_server_name(memc, server_list[x]),
- memcached_server_port(memc, server_list[x]));
- for (ptr= list; *ptr; ptr++)
- {
- char *value= memcached_stat_get_value(memc, &memc_stat[x], *ptr, &rc);
-
- printf("\t %s: %s\n", *ptr, value);
- free(value);
- }
-
- free(list);
- printf("\n");
- }
-}
-
static void print_analysis_report(memcached_st *memc,
- memcached_analysis_st *report,
- memcached_server_st *server_list)
+ memcached_analysis_st *report)
+
{
uint32_t server_count= memcached_server_count(memc);
+ memcached_server_instance_st most_consumed_server= memcached_server_instance_by_position(memc, report->most_consumed_server);
+ memcached_server_instance_st least_free_server= memcached_server_instance_by_position(memc, report->least_free_server);
+ memcached_server_instance_st oldest_server= memcached_server_instance_by_position(memc, report->oldest_server);
printf("Memcached Cluster Analysis Report\n\n");
- printf("\tNumber of Servers Analyzed : %d\n", server_count);
+ printf("\tNumber of Servers Analyzed : %u\n", server_count);
printf("\tAverage Item Size (incl/overhead) : %u bytes\n",
report->average_item_size);
printf("\n");
printf("\tNode with most memory consumption : %s:%u (%llu bytes)\n",
- memcached_server_name(memc, server_list[report->most_consumed_server]),
- memcached_server_port(memc, server_list[report->most_consumed_server]),
+ memcached_server_name(most_consumed_server),
+ (uint32_t)memcached_server_port(most_consumed_server),
(unsigned long long)report->most_used_bytes);
printf("\tNode with least free space : %s:%u (%llu bytes remaining)\n",
- memcached_server_name(memc, server_list[report->least_free_server]),
- memcached_server_port(memc, server_list[report->least_free_server]),
+ memcached_server_name(least_free_server),
+ (uint32_t)memcached_server_port(least_free_server),
(unsigned long long)report->least_remaining_bytes);
printf("\tNode with longest uptime : %s:%u (%us)\n",
- memcached_server_name(memc, server_list[report->oldest_server]),
- memcached_server_port(memc, server_list[report->oldest_server]),
+ memcached_server_name(oldest_server),
+ (uint32_t)memcached_server_port(oldest_server),
report->longest_uptime);
printf("\tPool-wide Hit Ratio : %1.f%%\n", report->pool_hit_ratio);
printf("\n");