New, yet primitive version of log writing functionality. Fixed some things in utils.

log_manager/log_manager.h

@@ -0,0 +1,65 @@
+
+
+typedef struct filewriter_st  filewriter_t;
+typedef struct logfile_st     logfile_t;
+typedef struct fnames_conf_st fnames_conf_t;
+typedef struct logmanager_st  logmanager_t;
+
+typedef enum {
+    LOGFILE_FIRST = 0,
+    LOGFILE_TRACE = LOGFILE_FIRST,
+    LOGFILE_MESSAGE,
+    LOGFILE_ERROR,
+    LOGFILE_LAST = LOGFILE_ERROR
+} logfile_id_t;
+
+typedef enum { FILEWRITER_INIT, FILEWRITER_RUN, FILEWRITER_DONE }
+    filewriter_state_t;
+typedef enum { LOGFILE_INIT, LOGFILE_OPENED, LOGFILE_DONE } logfile_state_t;
+
+EXTERN_C_BLOCK_BEGIN
+
+logmanager_t* skygw_logmanager_init(void** ctx, int argc, char* argv[]);
+void skygw_logmanager_done(void** ctx, logmanager_t** lm);
+int skygw_log_write(void* ctx, logmanager_t* lmgr, logfile_id_t id, char* str);
+int skygw_log_flush(logmanager_t* lmgr, logfile_id_t id);
+int skygw_log_write_flush(void* ctx,
+                          logmanager_t* lmgr,
+                          logfile_id_t id,
+                          char* str);
+
+EXTERN_C_BLOCK_END
+
+const char* get_trace_prefix_default(void);
+const char* get_trace_suffix_default(void);
+const char* get_msg_prefix_default(void);
+const char* get_msg_suffix_default(void);
+const char* get_err_prefix_default(void);
+const char* get_err_suffix_default(void);
+const char* get_logpath_default(void);
+
+/*
+bool logfile_write(
+        skygw_ctx_t* ctx,
+        logmgr_t*    mgr,
+        logfile_id_t id,
+        char*        msg);
+
+bool logfile_write_flush(
+        skygw_ctx_t* ctx,
+        logmgr_t*    mgr,
+        logfile_id_t id,
+        char*        msg);
+
+bool logfile_flush(
+        logmgr_t*    mgr,
+        logfile_id_t id);
+
+bool logfile_init(
+        logmgr_t*    mgr,
+        logfile_id_t id);
+
+void logfile_done(
+        logmgr_t*    mgr,
+        logfile_id_t id);
+*/