redis-cli: added comments to split program in parts.

src/redis-cli.c

@@ -102,14 +102,18 @@ char *redisGitDirty(void);
  * Utility functions
  *--------------------------------------------------------------------------- */
 
-static long long mstime(void) {
+static long long ustime(void) {
     struct timeval tv;
-    long long mst;
+    long long ust;
 
     gettimeofday(&tv, NULL);
-    mst = ((long long)tv.tv_sec)*1000;
-    mst += tv.tv_usec/1000;
-    return mst;
+    ust = ((long long)tv.tv_sec)*1000000;
+    ust += tv.tv_usec;
+    return ust;
+}
+
+static long long mstime(void) {
+    return ustime()/1000;
 }
 
 static void cliRefreshPrompt(void) {
@@ -950,6 +954,10 @@ static int noninteractive(int argc, char **argv) {
     return retval;
 }
 
+/*------------------------------------------------------------------------------
+ * Eval mode
+ *--------------------------------------------------------------------------- */
+
 static int evalMode(int argc, char **argv) {
     sds script = sdsempty();
     FILE *fp;
@@ -988,6 +996,10 @@ static int evalMode(int argc, char **argv) {
     return cliSendCommand(argc+3-got_comma, argv2, config.repeat);
 }
 
+/*------------------------------------------------------------------------------
+ * Latency and latency history modes
+ *--------------------------------------------------------------------------- */
+
 #define LATENCY_SAMPLE_RATE 10 /* milliseconds. */
 #define LATENCY_HISTORY_DEFAULT_INTERVAL 15000 /* milliseconds. */
 static void latencyMode(void) {
@@ -1032,6 +1044,10 @@ static void latencyMode(void) {
     }
 }
 
+/*------------------------------------------------------------------------------
+ * Slave mode
+ *--------------------------------------------------------------------------- */
+
 /* Sends SYNC and reads the number of bytes in the payload. Used both by
  * slaveMode() and getRDB(). */
 unsigned long long sendSync(int fd) {
@@ -1095,6 +1111,10 @@ static void slaveMode(void) {
     config.output = original_output;
 }
 
+/*------------------------------------------------------------------------------
+ * RDB transfer mode
+ *--------------------------------------------------------------------------- */
+
 /* This function implements --rdb, so it uses the replication protocol in order
  * to fetch the RDB file from a remote server. */
 static void getRDB(void) {
@@ -1140,6 +1160,10 @@ static void getRDB(void) {
     exit(0);
 }
 
+/*------------------------------------------------------------------------------
+ * Bulk import (pipe) mode
+ *--------------------------------------------------------------------------- */
+
 static void pipeMode(void) {
     int fd = context->fd;
     long long errors = 0, replies = 0, obuf_len = 0, obuf_pos = 0;
@@ -1291,6 +1315,10 @@ static void pipeMode(void) {
         exit(0);
 }
 
+/*------------------------------------------------------------------------------
+ * Find big keys
+ *--------------------------------------------------------------------------- */
+
 #define TYPE_STRING 0
 #define TYPE_LIST   1
 #define TYPE_SET    2
@@ -1377,6 +1405,10 @@ static void findBigKeys(void) {
     }
 }
 
+/*------------------------------------------------------------------------------
+ * Stats mode
+ *--------------------------------------------------------------------------- */
+
 /* Return the specified INFO field from the INFO command output "info".
  * A new buffer is allocated for the result, that needs to be free'd.
  * If the field is not found NULL is returned. */
@@ -1516,6 +1548,10 @@ static void statMode() {
     }
 }
 
+/*------------------------------------------------------------------------------
+ * Scan mode
+ *--------------------------------------------------------------------------- */
+
 static void scanMode() {
     redisReply *reply;
     unsigned long long cur = 0;