feat(server): add/change some log messages

chore(config): add default_conf member
chore(database): add returning value to create_cache method

Author: aloima

headers/config.h

@@ -1,4 +1,5 @@
 #include <stdint.h>
+#include <stdbool.h>
 
 #ifndef CONFIG_H
   #define CONFIG_H
@@ -10,6 +11,7 @@
     uint32_t max_log_len;
     char data_file[49];
     char log_file[49];
+    bool default_conf;
   };
 
   struct Configuration *get_configuration(const char *filename);

headers/database.h

@@ -18,7 +18,7 @@
     off_t pos;
   };
 
-  void create_cache();
+  struct BTree *create_cache();
   struct BTree *get_cache();
   struct KVPair *get_kv_from_cache(const char *key);
   void free_cache();

src/database/cache.c

@@ -2,8 +2,8 @@
 
 static struct BTree *cache = NULL;
 
-void create_cache() {
-  cache = create_btree(3);
+struct BTree *create_cache() {
+  return (cache = create_btree(3));
 }
 
 struct BTree *get_cache() {

src/server/server.c

@@ -4,6 +4,7 @@
 #include <stdbool.h>
 #include <stdlib.h>
 #include <signal.h>
+#include <time.h>
 
 #include <pthread.h>
 #include <fcntl.h>
@@ -59,10 +60,10 @@ static void close_server() {
     remove_client(client->connfd);
   }
 
-  write_log(LOG_WARN, "Saving data...");
+  clock_t start = clock();
   save_data();
   close_database_fd();
-  write_log(LOG_INFO, "Saved data and closed database file.");
+  write_log(LOG_INFO, "Saved data and closed database file in %.2f seconds.", ((float) clock() - start) / CLOCKS_PER_SEC);
 
   deactive_transaction_thread();
   usleep(15);
@@ -90,6 +91,14 @@ void start_server(struct Configuration *config) {
   conf = config;
   initialize_logs(conf);
   write_log(LOG_INFO, "Initialized logs and configuration.");
+  write_log(LOG_INFO, "version=" VERSION ", commit hash=" GIT_HASH);
+
+  if (conf->default_conf) {
+    write_log(LOG_WARN, (
+      "There is no configuration file, using default configuration. "
+      "To specify, create .tellyconf file or use `telly config /path/to/file`."
+    ));
+  }
 
   load_commands();
   write_log(LOG_INFO, "Initialized commands.");
@@ -144,12 +153,12 @@ void start_server(struct Configuration *config) {
     return;
   }
 
-  create_cache();
+  struct BTree *cache = create_cache();
   open_database_fd(conf->data_file);
   write_log(LOG_INFO, "Created cache and opened database file.");
 
   get_all_keys();
-  write_log(LOG_INFO, "Read database file to create keyspace.");
+  write_log(LOG_INFO, "Read database file to create keyspace. Loaded key count: %d", cache->size);
 
   nfds = 1;
   fds = malloc(sizeof(struct pollfd));

src/utils/config.c

@@ -10,7 +10,8 @@ static struct Configuration default_conf = {
   .allowed_log_levels = LOG_INFO | LOG_ERR | LOG_WARN,
   .max_log_len = 8192,
   .data_file = ".tellydb",
-  .log_file = ".tellylog"
+  .log_file = ".tellylog",
+  .default_conf = true
 };
 
 static void pass_line(FILE *file, char c) {