add log in db api

include/db_api.h

@@ -10,6 +10,7 @@
 #include <string.h>
 #include <jansson.h>
 #include <stdlib.h>
+#include "log.h"
 
 
 typedef PGresult DBresult;

src/db_api.c

@@ -21,8 +21,7 @@ void read_conf(const char *path, char * conninfo) {
   json_t *config = json_load_file(path,JSON_ENCODE_ANY,&error);
 
   if(!config) {
-    fprintf(stderr, "Error in database config file.\n");
-    fprintf(stderr, "%s\n", error.text);
+    error(error.text);
     exit(-1);
   }
 
@@ -46,12 +45,11 @@ PGconn* db_connect() {
 
   // Validate
   if(!conn) {
-    fprintf(stderr, "Error in create a connection with db.\n" );
+    error("Error in create a connection with db.\n" );
     exit(-1);
   }
   else if( PQstatus(conn) == CONNECTION_BAD ) {
-    fprintf(stderr, "Conection to database failed.\n");
-    fprintf(stderr, "%s", PQerrorMessage(conn));
+    error(PQerrorMessage(conn));
     exit(-1);
   }
   return conn;
@@ -74,11 +72,10 @@ DBresult* db_select( char *columns, char *table, char *where) {
 
   // Validate
   if(!result){
-    fprintf(stderr, "Error in executing the command.\n");
+    error("Error in executing the command.");
   }
   else if ( PQresultStatus(result) == PGRES_FATAL_ERROR ) {
-      fprintf(stderr, "Error in query.\n");
-      fprintf(stderr, "%s\n", PQresultErrorMessage(result));
+      error(PQresultErrorMessage(result));
       exit(-1);
   }
   db_disconnect(conn);

src/log.c

@@ -21,6 +21,7 @@ void log_error(char* msg, int line, char *file) {
   FILE *stream = open_log();
   write_date(stream);
   fprintf(stream, "%s:%d - [ERROR] - %s\n",file, line, msg);
+  fprintf(stderr, "[ERROR] Check log for more details.\n");
   close_log(stream);
 }
 
@@ -28,6 +29,7 @@ void log_warn(char* msg, int line, char *file) {
   FILE *stream = open_log();
   write_date(stream);
   fprintf(stream, "%s:%d - [WARN] - %s\n", file, line, msg);
+  fprintf(stderr, "[WARN] Check log for more details.\n");
   close_log(stream);
 }