mysql images plugin 1.0 release

Author: netkiller

README.md

@@ -13,4 +13,18 @@ Setup
 
 Test
 ----
-	mysql> select image_check('/www/images/logo.png');
+	mysql> select image_check('/www/images/logo.png');
+	
+Plugin
+------
+	drop function image_check;
+	drop function image_remove;
+	drop function image_rename;
+	
+	create function image_check returns string soname 'mysql_image.so';
+	create function image_remove returns string soname 'mysql_image.so';
+	create function image_rename returns string soname 'mysql_image.so';
+
+	select image_check('/tmp/filename');
+	select image_remove('/tmp/filename');
+	select image_rename('/tmp/aa','/tmp/bb');

src/image.c

@@ -2,11 +2,11 @@
 Homepage: http://netkiller.github.io/
 Author: netkiller<netkiller@msn.com>
 */
-
+#include <stdlib.h>
+#include <stdio.h>
 #include <mysql.h>
 #include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include <io.h>
 
 #include "image.h"
 
@@ -18,7 +18,7 @@ my_bool image_check_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
   if (args->arg_count != 1)
   {
     strncpy(message,
-            "two arguments must be supplied: image_check('<data>').",
+            "two arguments must be supplied: image_check('<filename>').",
             MYSQL_ERRMSG_SIZE);
     return 1;
   }
@@ -35,7 +35,11 @@ char *image_check(UDF_INIT *initid, UDF_ARGS *args,
 {
 
     char *data;
-    data = "image_check";
+	if (!access(args->args[0],0) )
+        data = "ture";
+    else
+		data = "false";
+
     *length = strlen(data);
     return ((char *)data);
 
@@ -46,6 +50,49 @@ void image_check_deinit(UDF_INIT *initid)
   return;
 }
 
+/* ------------------------ image_rename ----------------------------- */
+
+my_bool image_rename_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
+{
+
+  if (args->arg_count != 2)
+  {
+    strcpy(message,
+            "two arguments must be supplied: image_move('<file1>','<file2>').");
+    return 1;
+  }
+
+  args->arg_type[0]= STRING_RESULT;
+
+  return 0;
+}
+
+char *image_rename(UDF_INIT *initid, UDF_ARGS *args,
+                __attribute__ ((unused)) char *result,
+               unsigned long *length,
+                __attribute__ ((unused)) char *is_null,
+                __attribute__ ((unused)) char *error)
+{
+
+    char *data;
+	int errno;
+	errno = rename(args->args[0], args->args[1]);
+	if( errno == 0 )
+		data = "true";
+	else
+		//asprintf(&data, "ARG0=%s, ARG1=%d", args->args[0], errno);
+		data = "false";
+		
+    *length = strlen(data);
+    return ((char *)data);
+
+}
+
+void image_rename_deinit(UDF_INIT *initid)
+{
+  return;
+}
+
 /* ------------------------ image_move ----------------------------- */
 
 my_bool image_move_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
@@ -54,7 +101,7 @@ my_bool image_move_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
   if (args->arg_count != 1)
   {
     strncpy(message,
-            "two arguments must be supplied: image_move('<data>').",
+            "two arguments must be supplied: image_move('<filename>').",
             MYSQL_ERRMSG_SIZE);
     return 1;
   }
@@ -87,6 +134,15 @@ void image_move_deinit(UDF_INIT *initid)
 
 my_bool image_remove_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
 {
+  if (args->arg_count != 1)
+  {
+    strncpy(message,
+            "two arguments must be supplied: image_remove('<filename>').",
+            MYSQL_ERRMSG_SIZE);
+    return 1;
+  }
+
+  args->arg_type[0]= STRING_RESULT;
     return 0;
 }
 
@@ -97,11 +153,15 @@ char *image_remove(UDF_INIT *initid, UDF_ARGS *args,
                 __attribute__ ((unused)) char *error)
 {
 
-  char *config;
-  //asprintf(&config, "SAFENET_URL=%s, SAFENET_KEY=%s", safe_url, safe_key);
-  config = "image_remove";
-  *length = strlen(config);
-  return ((char *)config);
+	char *status;
+  //asprintf(&status, "SAFENET_URL=%s, SAFENET_KEY=%s", safe_url, safe_key);
+	if( !remove( args->args[0] ) )
+		status = "true";
+	else
+		status = "false";
+  
+	*length = strlen(status);
+	return ((char *)status);
 }
 
 void image_remove_deinit(UDF_INIT *initid)

src/image.h

@@ -9,3 +9,7 @@ void image_move_deinit(UDF_INIT *initid);
 my_bool image_remove_init(UDF_INIT *initid, UDF_ARGS *args, char *message);
 char *image_remove(UDF_INIT *initid, UDF_ARGS *args, char *result, unsigned long *length, char *is_null, char *error);
 void image_remove_deinit(UDF_INIT *initid);
+
+my_bool image_rename_init(UDF_INIT *initid, UDF_ARGS *args, char *message);
+char *image_rename(UDF_INIT *initid, UDF_ARGS *args, char *result, unsigned long *length, char *is_null, char *error);
+void image_rename_deinit(UDF_INIT *initid);