Make each rollback code take a list of arguments rather than a single...

Make each rollback code take a list of arguments rather than a single logentry.  Makes it easier to notice that I've got unused variables.  Addresses #27.

git-svn-id: file:///svn/tokudb@2206 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/logformat.c

@@ -205,7 +205,9 @@ void generate_log_struct (void) {
 		    fprintf(hf, "  %-16s crc;\n", "u_int32_t");
 		    fprintf(hf, "  %-16s len;\n", "u_int32_t");
 		    fprintf(hf, "};\n");
-		    fprintf(hf, "void toku_recover_%s (struct logtype_%s *);\n", lt->name, lt->name);
+		    fprintf(hf, "void toku_recover_%s (LSN lsn", lt->name);
+		    DO_FIELDS(ft, lt, fprintf(hf, ", %s %s", ft->type, ft->name));
+		    fprintf(hf, ");\n");
 		    fprintf(hf, "int toku_rollback_%s (struct logtype_%s *, TOKUTXN);\n", lt->name, lt->name);
 		}));
     fprintf(hf, "struct log_entry {\n");
@@ -227,6 +229,14 @@ void generate_dispatch (void) {
     DO_LOGTYPES(lt, fprintf(hf, "  case LT_%s: var = funprefix ## %s (&(s)->u.%s, ## args); break;\\\n", lt->name, lt->name, lt->name));
     fprintf(hf, " }})\n");
 
+    fprintf(hf, "#define logtype_dispatch_args(s, funprefix) ({ switch((s)->cmd) {\\\n");
+    DO_LOGTYPES(lt,
+		({
+		    fprintf(hf, "  case LT_%s: funprefix ## %s ((s)->u.%s.lsn", lt->name, lt->name, lt->name);
+		    DO_FIELDS(ft, lt, fprintf(hf, ",(s)->u.%s.%s", lt->name, ft->name));
+		    fprintf(hf, "); break;\\\n");
+		}));
+    fprintf(hf, " }})\n");
 }
 		
 void generate_log_free(void) {

newbrt/recover.c

@@ -37,7 +37,7 @@ int main (int argc, char *argv[]) {
 	assert(r==0 && version==0);
 	while ((r = toku_log_fread(f, &le))==0) {
 	    //printf("%lld: Got cmd %c\n", le.u.commit.lsn.lsn, le.cmd);
-	    logtype_dispatch(&le, toku_recover_);
+	    logtype_dispatch_args(&le, toku_recover_);
 	    entrycount++;
 	}
 	if (r!=EOF) {