diff mbox

[06/12] qga: move option parsing to seperate function

Message ID 1435751267-26378-7-git-send-email-marcandre.lureau@gmail.com
State New
Headers show

Commit Message

Marc-André Lureau July 1, 2015, 11:47 a.m. UTC
Move option parsing out of giant main().

Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
---
 qga/main.c | 41 +++++++++++++++++++++++++----------------
 1 file changed, 25 insertions(+), 16 deletions(-)

Comments

Michael Roth Aug. 25, 2015, 4:24 p.m. UTC | #1
Quoting Marc-André Lureau (2015-07-01 06:47:41)
> Move option parsing out of giant main().
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
> ---
>  qga/main.c | 41 +++++++++++++++++++++++++----------------
>  1 file changed, 25 insertions(+), 16 deletions(-)
> 
> diff --git a/qga/main.c b/qga/main.c
> index b776d16..b965f61 100644
> --- a/qga/main.c
> +++ b/qga/main.c
> @@ -941,19 +941,25 @@ static GList *split_list(gchar *str, const gchar separator)
>      return list;
>  }
> 
> -int main(int argc, char **argv)
> -{
> -    const char *sopt = "hVvdm:p:l:f:F::b:s:t:";
> -    char *method = NULL, *device_path = NULL;
> -    char *log_filepath = NULL;
> -    char *pid_filepath = NULL;
> +static char *device_path;
> +static char *method;
> +static char *log_filepath;
> +static char *pid_filepath;

Since we want to pass these around as a representation of the
configuration state, I'd rather we package them into a GAConfig
structure or something of the sort that and pass it around as arguments
rather than as globals. Between parse/load_config/load_defaults it's
becoming a little difficult to keep track of where all these values are
being modified.

Otherwise, looks good, and makes for a nice cleanup.

>  #ifdef CONFIG_FSFREEZE
> -    char *fsfreeze_hook = NULL;
> +static char *fsfreeze_hook;
>  #endif
> -    char *state_dir = NULL;
> +static char *state_dir;
>  #ifdef _WIN32
> -    const char *service = NULL;
> +static const char *service;
>  #endif
> +static GList *blacklist;
> +static int daemonize;
> +static GLogLevelFlags log_level = G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL;
> +
> +static void option_parse(int argc, char **argv)
> +{
> +    const char *sopt = "hVvdm:p:l:f:F::b:s:t:D";
> +    int opt_ind = 0, ch;
>      const struct option lopt[] = {
>          { "help", 0, NULL, 'h' },
>          { "version", 0, NULL, 'V' },
> @@ -973,14 +979,7 @@ int main(int argc, char **argv)
>          { "statedir", 1, NULL, 't' },
>          { NULL, 0, NULL, 0 }
>      };
> -    int opt_ind = 0, ch, daemonize = 0;
> -    GLogLevelFlags log_level = G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL;
> -    GList *blacklist = NULL;
> -    GAState *s;
> 
> -    module_call_init(MODULE_INIT_QAPI);
> -
> -    init_dfl_pathnames();
>      while ((ch = getopt_long(argc, argv, sopt, lopt, &opt_ind)) != -1) {
>          switch (ch) {
>          case 'm':
> @@ -1058,6 +1057,16 @@ int main(int argc, char **argv)
>              exit(EXIT_FAILURE);
>          }
>      }
> +}
> +
> +int main(int argc, char **argv)
> +{
> +    GAState *s;
> +
> +    module_call_init(MODULE_INIT_QAPI);
> +
> +    init_dfl_pathnames();
> +    option_parse(argc, argv);
> 
>      if (pid_filepath == NULL) {
>          pid_filepath = g_strdup(dfl_pathnames.pidfile);
> -- 
> 2.4.3
>
Marc-André Lureau Aug. 25, 2015, 9:59 p.m. UTC | #2
hi

On Tue, Aug 25, 2015 at 6:24 PM, Michael Roth <mdroth@linux.vnet.ibm.com> wrote:
> Since we want to pass these around as a representation of the
> configuration state, I'd rather we package them into a GAConfig
> structure or something of the sort that and pass it around as arguments
> rather than as globals. Between parse/load_config/load_defaults it's
> becoming a little difficult to keep track of where all these values are
> being modified.


done, thanks
diff mbox

Patch

diff --git a/qga/main.c b/qga/main.c
index b776d16..b965f61 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -941,19 +941,25 @@  static GList *split_list(gchar *str, const gchar separator)
     return list;
 }
 
-int main(int argc, char **argv)
-{
-    const char *sopt = "hVvdm:p:l:f:F::b:s:t:";
-    char *method = NULL, *device_path = NULL;
-    char *log_filepath = NULL;
-    char *pid_filepath = NULL;
+static char *device_path;
+static char *method;
+static char *log_filepath;
+static char *pid_filepath;
 #ifdef CONFIG_FSFREEZE
-    char *fsfreeze_hook = NULL;
+static char *fsfreeze_hook;
 #endif
-    char *state_dir = NULL;
+static char *state_dir;
 #ifdef _WIN32
-    const char *service = NULL;
+static const char *service;
 #endif
+static GList *blacklist;
+static int daemonize;
+static GLogLevelFlags log_level = G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL;
+
+static void option_parse(int argc, char **argv)
+{
+    const char *sopt = "hVvdm:p:l:f:F::b:s:t:D";
+    int opt_ind = 0, ch;
     const struct option lopt[] = {
         { "help", 0, NULL, 'h' },
         { "version", 0, NULL, 'V' },
@@ -973,14 +979,7 @@  int main(int argc, char **argv)
         { "statedir", 1, NULL, 't' },
         { NULL, 0, NULL, 0 }
     };
-    int opt_ind = 0, ch, daemonize = 0;
-    GLogLevelFlags log_level = G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL;
-    GList *blacklist = NULL;
-    GAState *s;
 
-    module_call_init(MODULE_INIT_QAPI);
-
-    init_dfl_pathnames();
     while ((ch = getopt_long(argc, argv, sopt, lopt, &opt_ind)) != -1) {
         switch (ch) {
         case 'm':
@@ -1058,6 +1057,16 @@  int main(int argc, char **argv)
             exit(EXIT_FAILURE);
         }
     }
+}
+
+int main(int argc, char **argv)
+{
+    GAState *s;
+
+    module_call_init(MODULE_INIT_QAPI);
+
+    init_dfl_pathnames();
+    option_parse(argc, argv);
 
     if (pid_filepath == NULL) {
         pid_filepath = g_strdup(dfl_pathnames.pidfile);