X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_stats.c;h=a2dc17a3e0e56fc0a444893c103fa673b3eb996e;hb=46f12a5edfa0fc0382a9d25355b15d30f857b138;hp=8a05dfd93a30d12c0d8d409906ac2b08c904b73e;hpb=1c5dea03fd77a12341688b41e8b63e1c358a2ad6;p=awesomized%2Flibmemcached

diff --git a/lib/memcached_stats.c b/lib/memcached_stats.c
index 8a05dfd9..a2dc17a3 100644
--- a/lib/memcached_stats.c
+++ b/lib/memcached_stats.c
@@ -1,7 +1,38 @@
 /*
 */
 
-#include <memcached.h>
+#include "common.h"
+
+static char *memcached_stat_keys[] = {
+  "pid",
+  "uptime",
+  "time",
+  "version",
+  "pointer_size",
+  "rusage_user",
+  "rusage_system",
+  "rusage_user_seconds",
+  "rusage_user_microseconds",
+  "rusage_system_seconds",
+  "rusage_system_microseconds",
+  "curr_items",
+  "total_items",
+  "bytes",
+  "curr_connections",
+  "total_connections",
+  "connection_structures",
+  "cmd_get",
+  "cmd_set",
+  "get_hits",
+  "get_misses",
+  "evictions",
+  "bytes_read",
+  "bytes_written",
+  "limit_maxbytes",
+  "threads",
+  NULL
+};
+
 
 static void set_data(memcached_stat_st *stat, char *key, char *value)
 {
@@ -115,53 +146,112 @@ static void set_data(memcached_stat_st *stat, char *key, char *value)
   }
 }
 
+char *memcached_stat_get_value(memcached_st *ptr, memcached_stat_st *stat, 
+                               char *key, memcached_return *error)
+{
+  char buffer[SMALL_STRING_LEN];
+  *error= MEMCACHED_SUCCESS;
+
+  if (!memcmp("pid", key, strlen("pid")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->pid);
+  else if (!memcmp("uptime", key, strlen("uptime")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->uptime);
+  else if (!memcmp("time", key, strlen("time")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", (unsigned long long)stat->time);
+  else if (!memcmp("version", key, strlen("version")))
+    snprintf(buffer, SMALL_STRING_LEN,"%s", stat->version);
+  else if (!memcmp("pointer_size", key, strlen("pointer_size")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->pointer_size);
+  else if (!memcmp("rusage_user", key, strlen("rusage_user")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->rusage_user);
+  else if (!memcmp("rusage_system", key, strlen("rusage_system")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->rusage_system);
+  else if (!memcmp("rusage_user_seconds", key, strlen("rusage_user_seconds")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->rusage_user_seconds);
+  else if (!memcmp("rusage_user_microseconds", key, strlen("rusage_user_microseconds")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->rusage_user_microseconds);
+  else if (!memcmp("rusage_system_seconds", key, strlen("rusage_system_seconds")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->rusage_system_seconds);
+  else if (!memcmp("rusage_system_microseconds", key, strlen("rusage_system_microseconds")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->rusage_system_microseconds);
+  else if (!memcmp("curr_items", key, strlen("curr_items")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->curr_items);
+  else if (!memcmp("total_items", key, strlen("total_items")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->total_items);
+  else if (!memcmp("bytes", key, strlen("bytes")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", stat->bytes);
+  else if (!memcmp("curr_connections", key, strlen("curr_connections")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->curr_connections);
+  else if (!memcmp("total_connections", key, strlen("total_connections")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->total_connections);
+  else if (!memcmp("connection_structures", key, strlen("connection_structures")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->connection_structures);
+  else if (!memcmp("cmd_get", key, strlen("cmd_get")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", stat->cmd_get);
+  else if (!memcmp("cmd_set", key, strlen("cmd_set")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", stat->cmd_set);
+  else if (!memcmp("get_hits", key, strlen("get_hits")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", stat->get_hits);
+  else if (!memcmp("get_misses", key, strlen("get_misses")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", stat->get_misses);
+  else if (!memcmp("evictions", key, strlen("evictions")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", stat->evictions);
+  else if (!memcmp("bytes_read", key, strlen("bytes_read")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", stat->bytes_read);
+  else if (!memcmp("bytes_written", key, strlen("bytes_written")))
+    snprintf(buffer, SMALL_STRING_LEN,"%llu", stat->bytes_written);
+  else if (!memcmp("limit_maxbytes", key, strlen("limit_maxbytes")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->limit_maxbytes);
+  else if (!memcmp("threads", key, strlen("threads")))
+    snprintf(buffer, SMALL_STRING_LEN,"%u", stat->threads);
+  else
+  {
+    *error= MEMCACHED_NOTFOUND;
+    return NULL;
+  }
+
+  return strdup(buffer);
+}
+
 static memcached_return memcached_stats_fetch(memcached_st *ptr,
                                               memcached_stat_st *stat,
                                               char *args,
                                               unsigned int server_key)
 {
   memcached_return rc;
-  char buffer[HUGE_STRING_LEN];
-  size_t send_length, sent_length;
+  char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
+  size_t send_length;
 
-  rc= memcached_connect(ptr);
+  rc= memcached_connect(ptr, server_key);
 
   if (rc != MEMCACHED_SUCCESS)
     return rc;
 
   if (args)
-    send_length= snprintf(buffer, HUGE_STRING_LEN, 
+    send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
                           "stats %s\r\n", args);
   else
-    send_length= snprintf(buffer, HUGE_STRING_LEN, 
+    send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
                           "stats\r\n");
 
   if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE)
     return MEMCACHED_WRITE_FAILURE;
 
-  if ((sent_length= write(ptr->hosts[server_key].fd, buffer, send_length) == -1))
-  {
-    fprintf(stderr, "failed on stats\n");
-
-    return MEMCACHED_WRITE_FAILURE;
-  }
-  if (sent_length != send_length)
-    return MEMCACHED_WRITE_FAILURE;
-
-
-  rc= memcached_response(ptr, buffer, HUGE_STRING_LEN, 0);
+  rc= memcached_do(ptr, server_key, buffer, send_length, 1);
+  if (rc != MEMCACHED_SUCCESS)
+      goto error;
 
-  if (rc == MEMCACHED_SUCCESS)
+  while (1)
   {
-    char *string_ptr, *end_ptr;
-    char *key, *value;
+    rc= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, server_key);
 
-    string_ptr= buffer;
-    while (1)
+    if (rc == MEMCACHED_STAT)
     {
-      if (memcmp(string_ptr, "STAT ", 5))
-        break;
-      string_ptr+= 5;
+      char *string_ptr, *end_ptr;
+      char *key, *value;
+
+      string_ptr= buffer;
+      string_ptr+= 5; /* Move past STAT */
       for (end_ptr= string_ptr; *end_ptr != ' '; end_ptr++);
       key= string_ptr;
       key[(size_t)(end_ptr-string_ptr)]= 0;
@@ -173,9 +263,15 @@ static memcached_return memcached_stats_fetch(memcached_st *ptr,
       string_ptr= end_ptr + 2;
       set_data(stat, key, value);
     }
+    else
+      break;
   }
 
-  return rc;
+error:
+  if (rc == MEMCACHED_END)
+    return MEMCACHED_SUCCESS;
+  else
+    return rc;
 }
 
 memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_return *error)
@@ -183,51 +279,71 @@ memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_retur
   unsigned int x;
   memcached_return rc;
   memcached_stat_st *stats;
-  rc= memcached_connect(ptr);
-
-  if (rc != MEMCACHED_SUCCESS)
-  {
-    *error= rc;
-    return NULL;
-  }
 
   stats= (memcached_stat_st *)malloc(sizeof(memcached_st)*(ptr->number_of_hosts+1));
-  if (stats)
+  if (!stats)
   {
     *error= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
+    free(stats);
     return NULL;
   }
   memset(stats, 0, sizeof(memcached_st)*(ptr->number_of_hosts+1));
 
+  rc= MEMCACHED_SUCCESS;
   for (x= 0; x < ptr->number_of_hosts; x++)
   {
-    rc= memcached_stats_fetch(ptr, stats+x, args, x);
-    if (rc != MEMCACHED_SUCCESS)
+    memcached_return temp_return;
+    temp_return= memcached_stats_fetch(ptr, stats+x, args, x);
+    if (temp_return != MEMCACHED_SUCCESS)
       rc= MEMCACHED_SOME_ERRORS;
   }
 
-  *error= x == 0 ? MEMCACHED_SUCCESS : rc;
+  *error= rc;
   return stats;
 }
 
-memcached_return memcached_stat_hostname(memcached_stat_st *stat, char *args, 
-                                         char *hostname, unsigned int port)
+memcached_return memcached_stat_servername(memcached_stat_st *stat, char *args, 
+                                           char *hostname, unsigned int port)
 {
   memcached_return rc;
   memcached_st memc;
 
-  memcached_init(&memc);
+  memcached_create(&memc);
 
   memcached_server_add(&memc, hostname, port);
 
-  rc= memcached_connect(&memc);
-
-  if (rc != MEMCACHED_SUCCESS)
-    return rc;
-
   rc= memcached_stats_fetch(&memc, stat, args, 0);
 
-  memcached_deinit(&memc);
+  memcached_free(&memc);
 
   return rc;
 }
+
+/* 
+  We make a copy of the keys since at some point in the not so distant future
+  we will add support for "found" keys.
+*/
+char ** memcached_stat_get_keys(memcached_st *ptr, memcached_stat_st *stat, 
+                                memcached_return *error)
+{
+  char **list= (char **)malloc(sizeof(memcached_stat_keys));
+
+  memset(list, 0, sizeof(memcached_stat_keys));
+
+  if (!list)
+  {
+    *error= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
+    return NULL;
+  }
+
+  memcpy(list, memcached_stat_keys, sizeof(memcached_stat_keys));
+
+  *error= MEMCACHED_SUCCESS;
+
+  return list;
+}
+
+void memcached_stat_free(memcached_st *ptr, memcached_stat_st *stat)
+{
+  free(stat);
+}