summaryrefslogtreecommitdiff
path: root/src/common/utils.c
diff options
context:
space:
mode:
authorshennetsind <ind@henn.et>2013-07-05 19:19:40 -0300
committershennetsind <ind@henn.et>2013-07-05 19:19:40 -0300
commit0118a097c9626b3f8342dd29897392f3da4c1187 (patch)
tree3839e506a5ad38719e3772da0d03cf12240e3c4c /src/common/utils.c
parenta3711050a219e887b6637969bac66fb7d261d9cf (diff)
downloadhercules-0118a097c9626b3f8342dd29897392f3da4c1187.tar.gz
hercules-0118a097c9626b3f8342dd29897392f3da4c1187.tar.bz2
hercules-0118a097c9626b3f8342dd29897392f3da4c1187.tar.xz
hercules-0118a097c9626b3f8342dd29897392f3da4c1187.zip
HCache | Item Packages Update
http://hercules.ws/board/topic/1389-hcache-item-packages-update/ Signed-off-by: shennetsind <ind@henn.et>
Diffstat (limited to 'src/common/utils.c')
-rw-r--r--src/common/utils.c99
1 files changed, 97 insertions, 2 deletions
diff --git a/src/common/utils.c b/src/common/utils.c
index 296df7e70..3ea970a1b 100644
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -1,10 +1,12 @@
-// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
-// For more information, see LICENCE in the main folder
+// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
+// See the LICENSE file
+// Portions Copyright (c) Athena Dev Teams
#include "../common/cbasetypes.h"
#include "../common/mmo.h"
#include "../common/malloc.h"
#include "../common/showmsg.h"
+#include "../common/core.h"
#include "socket.h"
#include "utils.h"
@@ -25,6 +27,9 @@
#include <sys/stat.h>
#endif
+#include <sys/stat.h> // cache purposes [Ind/Hercules]
+
+struct HCache_interface HCache_s;
/// Dumps given buffer into file pointed to by a handle.
void WriteDump(FILE* fp, const void* buffer, size_t length)
@@ -281,3 +286,93 @@ unsigned int get_percentage(const unsigned int A, const unsigned int B)
return (unsigned int)floor(result);
}
+
+/* [Ind/Hercules] Caching */
+bool HCache_check(const char *file) {
+ struct stat bufa, bufb;
+ FILE *first, *second;
+ char s_path[255], dT[1];
+ size_t rtime;
+
+ if( !(first = fopen(file,"rb")) )
+ return false;
+
+ if( file[0] == '.' && file[1] == '/' )
+ file += 2;
+ else if( file[0] == '.' )
+ file++;
+
+ snprintf(s_path, 255, "./cache/%s", file);
+
+ if( !(second = fopen(s_path,"rb")) ) {
+ fclose(first);
+ return false;
+ }
+
+ if( fread(dT,sizeof(dT),1,second) != 1 || fread(&rtime,sizeof(rtime),1,second) != 1 || dT[0] != 'k' || HCache->recompile_time > rtime ) {
+ fclose(first);
+ fclose(second);
+ return false;
+ }
+
+ fstat(fileno(first), &bufa);
+ fstat(fileno(first), &bufa);
+
+ fclose(first);
+ fclose(second);
+
+ if( bufa.st_mtime > bufb.st_mtime )
+ return false;
+
+ return true;
+}
+
+FILE *HCache_open(const char *file, const char *opt) {
+ FILE *first;
+ char s_path[255];
+
+ if( file[0] == '.' && file[1] == '/' )
+ file += 2;
+ else if( file[0] == '.' )
+ file++;
+
+ snprintf(s_path, 255, "./cache/%s", file);
+
+ if( !(first = fopen(s_path,opt)) ) {
+ return NULL;
+ }
+
+ if( opt[0] != 'r' ) {
+ char dT[1] = "k";/* 1-byte key to ensure our method is the latest, we can modify to ensure the method matches */
+ fwrite(dT,sizeof(dT),1,first);
+ fwrite(&HCache->recompile_time,sizeof(HCache->recompile_time),1,first);
+ }
+ fseek(first, 20, SEEK_SET);/* skip first 20, might wanna store something else later */
+
+ return first;
+}
+void HCache_init(void) {
+ FILE *server;
+
+ if( (server = fopen(SERVER_NAME,"rb")) ) {
+ struct stat buf;
+
+ fstat(fileno(server), &buf);
+ HCache->recompile_time = buf.st_mtime;
+ fclose(server);
+
+ HCache->enabled = true;
+ } else
+ ShowWarning("Unable to open '%s', caching capabilities have been disabled!\n",SERVER_NAME);
+}
+void HCache_defaults(void) {
+
+ HCache = &HCache_s;
+
+ HCache->init = HCache_init;
+
+ HCache->check = HCache_check;
+ HCache->open = HCache_open;
+ HCache->recompile_time = 0;
+ HCache->enabled = false;
+}