Added --args to memstat

[awesomized/libmemcached] / libmemcached / stats.c

diff --git a/libmemcached/stats.c b/libmemcached/stats.c
index e38445ec1f5df2f37affc11aa3e401649189625e..731c1cc0a31bcad9d1bab3b8c64afa5eb3886d26 100644 (file)
--- a/libmemcached/stats.c
+++ b/libmemcached/stats.c
@@ -29,6 +29,13 @@ static const char *memcached_stat_keys[] = {
   NULL
 };
 
+struct local_context
+{
+  memcached_stat_fn func;
+  void *context;
+  const char *args;
+};
+
 
 static memcached_return_t set_data(memcached_stat_st *memc_stat, char *key, char *value)
 {
@@ -151,7 +158,8 @@ static memcached_return_t set_data(memcached_stat_st *memc_stat, char *key, char
              strcmp("listen_disabled_num", key) == 0 ||
              strcmp("conn_yields", key) == 0 ||
              strcmp("auth_cmds", key) == 0 ||
-             strcmp("auth_errors", key) == 0))
+             strcmp("auth_errors", key) == 0 ||
+             strcmp("reclaimed", key) == 0))
   {
     WATCHPOINT_STRING(key);
     return MEMCACHED_UNKNOWN_STAT_KEY;
@@ -160,7 +168,7 @@ static memcached_return_t set_data(memcached_stat_st *memc_stat, char *key, char
   return MEMCACHED_SUCCESS;
 }
 
-char *memcached_stat_get_value(memcached_st *ptr, memcached_stat_st *memc_stat,
+char *memcached_stat_get_value(const memcached_st *ptr, memcached_stat_st *memc_stat,
                                const char *key, memcached_return_t *error)
 {
   char buffer[SMALL_STRING_LEN];
@@ -227,8 +235,9 @@ char *memcached_stat_get_value(memcached_st *ptr, memcached_stat_st *memc_stat,
 }
 
 static memcached_return_t binary_stats_fetch(memcached_stat_st *memc_stat,
-                                             char *args,
-                                             memcached_server_instance_st *instance)
+                                             const char *args,
+                                             memcached_server_write_instance_st instance,
+                                             struct local_context *check)
 {
   memcached_return_t rc;
 
@@ -249,9 +258,13 @@ static memcached_return_t binary_stats_fetch(memcached_stat_st *memc_stat,
     request.message.header.request.keylen= htons((uint16_t)len);
     request.message.header.request.bodylen= htonl((uint32_t) len);
 
-    if ((memcached_do(instance, request.bytes,
-                      sizeof(request.bytes), 0) != MEMCACHED_SUCCESS) ||
-        (memcached_io_write(instance, args, len, true) == -1))
+    struct __write_vector_st vector[]= 
+    {
+      { .length= sizeof(request.bytes), .buffer= request.bytes },
+      { .length= len, .buffer= args }
+    }; 
+
+    if (memcached_vdo(instance, vector, 2, true) != MEMCACHED_SUCCESS)
     {
       memcached_io_reset(instance);
       return MEMCACHED_WRITE_FAILURE;
@@ -260,7 +273,7 @@ static memcached_return_t binary_stats_fetch(memcached_stat_st *memc_stat,
   else
   {
     if (memcached_do(instance, request.bytes,
-                     sizeof(request.bytes), 1) != MEMCACHED_SUCCESS)
+                     sizeof(request.bytes), true) != MEMCACHED_SUCCESS)
     {
       memcached_io_reset(instance);
       return MEMCACHED_WRITE_FAILURE;
@@ -270,8 +283,8 @@ static memcached_return_t binary_stats_fetch(memcached_stat_st *memc_stat,
   memcached_server_response_decrement(instance);
   do
   {
-    rc= memcached_response(instance, buffer,
-                           sizeof(buffer), NULL);
+    rc= memcached_response(instance, buffer, sizeof(buffer), NULL);
+
     if (rc == MEMCACHED_END)
       break;
 
@@ -281,10 +294,23 @@ static memcached_return_t binary_stats_fetch(memcached_stat_st *memc_stat,
       return rc;
     }
 
-    unlikely((set_data(memc_stat, buffer, buffer + strlen(buffer) + 1)) == MEMCACHED_UNKNOWN_STAT_KEY)
+    if (memc_stat)
+    {
+      unlikely((set_data(memc_stat, buffer, buffer + strlen(buffer) + 1)) == MEMCACHED_UNKNOWN_STAT_KEY)
+      {
+        WATCHPOINT_ERROR(MEMCACHED_UNKNOWN_STAT_KEY);
+        WATCHPOINT_ASSERT(0);
+      }
+    }
+    
+    if (check && check->func)
     {
-      WATCHPOINT_ERROR(MEMCACHED_UNKNOWN_STAT_KEY);
-      WATCHPOINT_ASSERT(0);
+      size_t key_length= strlen(buffer);
+
+      check->func(instance,
+                  buffer, key_length,
+                  buffer+key_length+1, strlen(buffer+key_length+1),
+                  check->context);
     }
   } while (1);
 
@@ -297,8 +323,9 @@ static memcached_return_t binary_stats_fetch(memcached_stat_st *memc_stat,
 }
 
 static memcached_return_t ascii_stats_fetch(memcached_stat_st *memc_stat,
-                                            char *args,
-                                            memcached_server_instance_st *instance)
+                                            const char *args,
+                                            memcached_server_write_instance_st instance,
+                                            struct local_context *check)
 {
   memcached_return_t rc;
   char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
@@ -314,7 +341,7 @@ static memcached_return_t ascii_stats_fetch(memcached_stat_st *memc_stat,
   if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE)
     return MEMCACHED_WRITE_FAILURE;
 
-  rc= memcached_do(instance, buffer, send_length, 1);
+  rc= memcached_do(instance, buffer, send_length, true);
   if (rc != MEMCACHED_SUCCESS)
     goto error;
 
@@ -338,10 +365,21 @@ static memcached_return_t ascii_stats_fetch(memcached_stat_st *memc_stat,
       value= string_ptr;
       value[(size_t)(end_ptr-string_ptr)]= 0;
       string_ptr= end_ptr + 2;
-      unlikely((set_data(memc_stat, key, value)) == MEMCACHED_UNKNOWN_STAT_KEY)
+      if (memc_stat)
       {
-        WATCHPOINT_ERROR(MEMCACHED_UNKNOWN_STAT_KEY);
-        WATCHPOINT_ASSERT(0);
+        unlikely((set_data(memc_stat, key, value)) == MEMCACHED_UNKNOWN_STAT_KEY)
+        {
+          WATCHPOINT_ERROR(MEMCACHED_UNKNOWN_STAT_KEY);
+          WATCHPOINT_ASSERT(0);
+        }
+      }
+
+      if (check && check->func)
+      {
+        check->func(instance,
+                    key, strlen(key),
+                    value, strlen(value),
+                    check->context);
       }
     }
     else
@@ -378,7 +416,7 @@ memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_retur
   for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
   {
     memcached_return_t temp_return;
-    memcached_server_instance_st *instance;
+    memcached_server_write_instance_st instance;
     memcached_stat_st *stat_instance;
 
     stat_instance= stats + x;
@@ -389,11 +427,11 @@ memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_retur
 
     if (ptr->flags.binary_protocol)
     {
-      temp_return= binary_stats_fetch(stat_instance, args, instance);
+      temp_return= binary_stats_fetch(stat_instance, args, instance, NULL);
     }
     else
     {
-      temp_return= ascii_stats_fetch(stat_instance, args, instance);
+      temp_return= ascii_stats_fetch(stat_instance, args, instance, NULL);
     }
 
     if (temp_return != MEMCACHED_SUCCESS)
@@ -410,7 +448,9 @@ memcached_return_t memcached_stat_servername(memcached_stat_st *memc_stat, char
   memcached_return_t rc;
   memcached_st memc;
   memcached_st *memc_ptr;
-  memcached_server_instance_st *instance;
+  memcached_server_write_instance_st instance;
+
+  memset(memc_stat, 0, sizeof(memcached_stat_st));
 
   memc_ptr= memcached_create(&memc);
   WATCHPOINT_ASSERT(memc_ptr);
@@ -421,11 +461,11 @@ memcached_return_t memcached_stat_servername(memcached_stat_st *memc_stat, char
 
   if (memc.flags.binary_protocol)
   {
-    rc= binary_stats_fetch(memc_stat, args, instance);
+    rc= binary_stats_fetch(memc_stat, args, instance, NULL);
   }
   else
   {
-    rc= ascii_stats_fetch(memc_stat, args, instance);
+    rc= ascii_stats_fetch(memc_stat, args, instance, NULL);
   }
 
   memcached_free(&memc);
@@ -437,7 +477,7 @@ memcached_return_t memcached_stat_servername(memcached_stat_st *memc_stat, char
   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,
+char ** memcached_stat_get_keys(const memcached_st *ptr,
                                 memcached_stat_st *memc_stat,
                                 memcached_return_t *error)
 {
@@ -461,7 +501,7 @@ char ** memcached_stat_get_keys(memcached_st *ptr,
   return list;
 }
 
-void memcached_stat_free(memcached_st *ptr, memcached_stat_st *memc_stat)
+void memcached_stat_free(const memcached_st *ptr, memcached_stat_st *memc_stat)
 {
   if (memc_stat == NULL)
   {
@@ -482,3 +522,31 @@ void memcached_stat_free(memcached_st *ptr, memcached_stat_st *memc_stat)
     free(memc_stat);
   }
 }
+
+static memcached_return_t call_stat_fn(memcached_st *ptr,
+                                       memcached_server_write_instance_st instance,
+                                       void *context)
+{
+  memcached_return_t rc;
+  struct local_context *check= (struct local_context *)context;
+
+  if (ptr->flags.binary_protocol)
+  {
+    rc= binary_stats_fetch(NULL, check->args, instance, check);
+  }
+  else
+  {
+    rc= ascii_stats_fetch(NULL, check->args, instance, check);
+  }
+
+  return rc;
+}
+
+memcached_return_t memcached_stat_execute(memcached_st *memc, const char *args,  memcached_stat_fn func, void *context)
+{
+  memcached_version(memc);
+
+ struct local_context check= { .func= func, .context= context, .args= args };
+
+ return memcached_server_execute(memc, call_stat_fn, (void *)&check);
+}