add logging function

added @todo tags for what needs to be finished

1 files changed, 39 insertions, 0 deletions

diff --git a/utility/util.c b/utility/util.c
index ef3ea68..cb6898d 100644
--- a/utility/util.c
+++ b/utility/util.c
@@ -1,7 +1,11 @@
 #include "util.h"
 #include "apr_strings.h"
 #include "apr_lib.h"
+#include "apr_file_io.h"
 
+#include "config.h"
+
+#include <stdarg.h>
 
 char *lowerstr(apr_pool_t *pool, const char *input)
 {
@@ -26,3 +30,38 @@ void line_chomp(char *str)
         }
     }
 }
+
+void logging_init(config_t *cfg)
+{
+    if (cfg->errorlog) {
+        apr_file_open(&cfg->errorlog_fp, cfg->errorlog,
+                APR_FOPEN_CREATE | APR_FOPEN_WRITE | APR_BUFFERED,
+                APR_OS_DEFAULT,
+                cfg->pool);
+        apr_pool_create(&cfg->errorlog_p, cfg->pool);
+    }
+}
+
+/**
+ * @todo implement logging
+ */
+void logging_log(config_t *cfg, loglevel_e level, const char *fmt, ...)
+{
+    va_list ap;
+    struct iovec vec[2];
+    apr_size_t blen;
+
+    if (!cfg->errorlog_fp || cfg->loglevel < level) return;
+
+    va_start(ap, fmt);
+    apr_pool_clear(cfg->errorlog_p);
+
+    vec[0].iov_base = apr_pvsprintf(cfg->errorlog_p, fmt, ap);
+    vec[0].iov_len = strlen(vec[0].iov_base);
+    vec[1].iov_base = "\n";
+    vec[1].iov_len = 1;
+
+    apr_file_writev(cfg->errorlog_fp,vec,2,&blen);
+
+    va_end(ap);
+}