[PATCH spice-streaming-agent] Allow to set plugins directory via command line

[Snir Sheriber <ssheribe@xxxxxxxxxx>]

Set different plugins directory using --plugins-dir=
---

 Would be helpful, but not really critical

 src/spice-streaming-agent.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/spice-streaming-agent.cpp b/src/spice-streaming-agent.cpp
index 267b76e..bfdd19a 100644
--- a/src/spice-streaming-agent.cpp
+++ b/src/spice-streaming-agent.cpp
@@ -283,6 +283,7 @@ static void usage(const char *progname)
     printf("\t-p portname  -- virtio-serial port to use\n");
     printf("\t-l file -- log frames to file\n");
     printf("\t--log-binary -- log binary frames (following -l)\n");
+    printf("\t--plugins-dir=path -- change plugins directory\n");
     printf("\t-d -- enable debug logs\n");
     printf("\t-c variable=value -- change settings\n");
     printf("\t\tframerate = 1-100 (check 10,20,30,40,50,60)\n");
@@ -448,7 +449,9 @@ int main(int argc, char* argv[])
     char opt;
     const char *log_filename = NULL;
     int logmask = LOG_UPTO(LOG_WARNING);
+    std::string pluginsdir = PLUGINSDIR;
     struct option long_options[] = {
+        { "plugins-dir", 1, NULL, 0},
         { "log-binary", no_argument, &log_binary, 1},
         { "help", no_argument, NULL, 'h'},
         { 0, 0, 0, 0}
@@ -463,6 +466,8 @@ int main(int argc, char* argv[])
         switch (opt) {
         case 0:
             /* Handle long options if needed */
+            if (optarg) /* currently --plugins-dir is the only long option with arg */
+                pluginsdir = optarg;
             break;
         case 'p':
             streamport = optarg;
@@ -493,7 +498,7 @@ int main(int argc, char* argv[])
     // register built-in plugins
     MjpegPlugin::Register(&agent);
 
-    agent.LoadPlugins(PLUGINSDIR);
+    agent.LoadPlugins(pluginsdir);
 
     register_interrupts();
 
-- 
2.14.3

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