Add framework for enabling (debug) logging per module

[citadel.git] / citadel / serv_extensions.c

diff --git a/citadel/serv_extensions.c b/citadel/serv_extensions.c
index d2890ebaeedbd5094f0e06d99bf4bedd4dda892f..45221c514eef4a3ced49c122cadc8e8c49e14c32 100644 (file)
--- a/citadel/serv_extensions.c
+++ b/citadel/serv_extensions.c
@@ -51,7 +51,12 @@
  * Structure defentitions for hook tables
  */
 
-
+typedef struct __LogDebugEntry {
+       CtdlDbgFunction F;
+       const char *Name;
+       long Len;
+} LogDebugEntry;
+HashList *LogDebugEntryTable = NULL;
 
 typedef struct LogFunctionHook LogFunctionHook;
 struct LogFunctionHook {
@@ -61,7 +66,6 @@ struct LogFunctionHook {
 };
 extern LogFunctionHook *LogHookTable;
 
-
 typedef struct FixedOutputHook FixedOutputHook;
 struct FixedOutputHook {
        FixedOutputHook *next;
@@ -328,6 +332,77 @@ long FourHash(const char *key, long length)
 
        return ret;
 }
+/*
+typedef struct __LogDebugEntry {
+       CtdlDbgFunction F;
+       const char *Name;
+       long Len;
+} LogDebugEntry;
+HashList *LogDebugEntryTable = NULL;
+*/
+void CtdlRegisterDebugFlagHook(const char *Name, long Len, CtdlDbgFunction F)
+{
+       LogDebugEntry *E;
+       if (LogDebugEntryTable == NULL)
+               LogDebugEntryTable = NewHash(1, NULL);
+       E = (LogDebugEntry*) malloc(sizeof(LogDebugEntry));
+       E->F = F;
+       E->Name = Name;
+       E->Len = Len;
+       Put(LogDebugEntryTable, Name, Len, E, NULL);
+       
+}
+void CtdlSetDebugLogFacilities(const char **Str, long n)
+{
+       StrBuf *Token = NULL;
+       StrBuf *Buf = NULL;
+       const char *ch;
+       int i;
+       int DoAll = 0;
+       void *vptr;
+
+       for (i=0; i < n; i++){
+               if ((Str[i] != NULL) && !IsEmptyStr(Str[i])) {
+                       if (strcmp(Str[i], "all") == 0) {
+                               DoAll = 1;
+                               continue;
+                       }
+                       Buf = NewStrBufPlain(Str[i], -1);
+                       ch = NULL;
+                       if (Token == NULL)
+                               Token = NewStrBufPlain(NULL, StrLength(Buf));
+                       while ((ch != StrBufNOTNULL) &&
+                              StrBufExtract_NextToken(Token, Buf, &ch, ',')) {
+                               if (GetHash(LogDebugEntryTable, SKEY(Token), &vptr) && 
+                                   (vptr != NULL))
+                               {
+                                       LogDebugEntry *E = (LogDebugEntry*)vptr;
+                                       E->F();
+                               }
+                       }
+               }
+               FreeStrBuf(&Buf);
+       }
+       FreeStrBuf(&Token);
+       if (DoAll) {
+               long HKLen;
+               const char *ch;
+               HashPos *Pos;
+
+               Pos = GetNewHashPos(LogDebugEntryTable, 0);
+               while (GetNextHashPos(LogDebugEntryTable, Pos, &HKLen, &ch, &vptr)) {
+                       LogDebugEntry *E = (LogDebugEntry*)vptr;
+                       E->F();
+               }
+
+               DeleteHashPos(&Pos);
+       }
+}
+void CtdlDestroyDebugTable(void)
+{
+
+       DeleteHash(&LogDebugEntryTable);
+}
 
 void CtdlRegisterProtoHook(void (*handler) (char *), char *cmd, char *desc)
 {