added retry-wait command line option

src/main.c

@@ -143,6 +143,7 @@ parse_arg_list(int argc, char **argv, char ***fuse_argv, int *fuse_argc)
         {"dl-seg-size", required_argument, NULL, 'L'},      /* 9  */
         {"max-conns", required_argument, NULL, 'L'},        /* 10 */
         {"user-agent", required_argument, NULL, 'L'},       /* 11 */
+        {"retry-wait", required_argument, NULL, 'L'},       /* 12 */
         {0, 0, 0, 0}
     };
     while ((c =
@@ -201,6 +202,9 @@ parse_arg_list(int argc, char **argv, char ***fuse_argv, int *fuse_argc)
                     case 11:
                         NETWORK_CONFIG.user_agent = strdup(optarg);
                         break;
+                    case 12:
+                        HTTP_429_WAIT = atoi(optarg);
+                        break;
                     default:
                         fprintf(stderr, "Error: Invalid option\n");
                         add_arg(fuse_argv, fuse_argc, "--help");
@@ -254,11 +258,14 @@ static void print_http_options()
         --proxy-username    Username for the proxy\n\
         --proxy-password    Password for the proxy\n\
         --cache             Set a cache folder, by default this is disabled\n\
-        --dl-seg-size       The size of each download segment in MB, \n\
+        --dl-seg-size       The size of each download segment in MB,\n\
                             default to 8MB.\n\
         --max-conns         The maximum number of network connections that\
                             libcurl is allowed to make, default to 10.\
         --user-agent        The user agent string, default to \"HTTPDirFS\".\
+        --retry-wait        The waiting interval in seconds before making an\
+                            HTTP request, after encountering an error, default\
+                            to 5 seconds.\
     \n\
 libfuse options:\n");
 }

src/network.c

@@ -8,11 +8,13 @@
 #include <stdio.h>
 #include <unistd.h>
 
-#define DEFAULT_NETWORK_MAX_CONNS 10
+#define DEFAULT_NETWORK_MAX_CONNS   10
+#define DEFAULT_HTTP_429_WAIT       5
 
 /* ----------------- External variables ---------------------- */
 CURLSH *CURL_SHARE;
 NetworkConfigStruct NETWORK_CONFIG;
+int HTTP_429_WAIT = DEFAULT_HTTP_429_WAIT;
 
 /* ----------------- Static variable ----------------------- */
 /** \brief curl multi interface handle */

src/network.h

@@ -3,8 +3,6 @@
 
 #include "link.h"
 
-#define HTTP_429_WAIT   5
-
 typedef enum {
     HTTP_OK                     = 200,
     HTTP_PARTIAL_CONTENT        = 206,
@@ -36,8 +34,12 @@ typedef struct {
     char *proxy_pass;
     long max_conns;
     char *user_agent;
+    int http_429_wait;
 } NetworkConfigStruct;
 
+/** \brief The waiting time after getting HTTP 429 */
+extern int HTTP_429_WAIT;
+
 /** \brief CURL configuration */
 extern NetworkConfigStruct NETWORK_CONFIG;