use License header, fix BuildRoot

[l2tpns.git] / throttlectl.c

diff --git a/throttlectl.c b/throttlectl.c
index 3960f21..0f0b055 100644 (file)
--- a/throttlectl.c
+++ b/throttlectl.c
@@ -5,135 +5,131 @@
 
 /* throttle control */
 
-char const *cvs_id = "$Id: throttlectl.c,v 1.4 2004/12/01 03:37:20 bodea Exp $";
+char const *cvs_id = "$Id: throttlectl.c,v 1.9 2005/10/11 09:04:53 bodea Exp $";
 
 int plugin_api_version = PLUGIN_API_VERSION;
-static struct pluginfuncs *p = 0;
+static struct pluginfuncs *f = 0;
 
 char *plugin_control_help[] = {
-       "  throttle USER|SID [RATE|[in|out] RATE ...]  Throttle user traffic",
-       "  unthrottle USER|SID                         Stop throttling user",
-       0
+    "  throttle USER|SID [RATE|[in|out] RATE ...]  Throttle user traffic",
+    "  unthrottle USER|SID                         Stop throttling user",
+    0
 };
 
-int plugin_init(struct pluginfuncs *funcs)
-{
-       if (!funcs)
-               return 0;
-
-       p = funcs;
-       return 1;
-}
-
 int plugin_control(struct param_control *data)
 {
-       sessionidt session;
-       sessiont *s = 0;
-       int flag;
-       char *end;
-       int rate_in = 0;
-       int rate_out = 0;
+    sessionidt session;
+    sessiont *s = 0;
+    int flag;
+    char *end;
+    int rate_in = 0;
+    int rate_out = 0;
 
-       if (data->argc < 1)
-               return PLUGIN_RET_OK;
+    if (data->argc < 1)
+       return PLUGIN_RET_OK;
 
-       if (strcmp(data->argv[0], "throttle")
-           && strcmp(data->argv[0], "unthrottle"))
-               return PLUGIN_RET_OK; // not for us
+    if (strcmp(data->argv[0], "throttle") &&
+       strcmp(data->argv[0], "unthrottle"))
+       return PLUGIN_RET_OK; // not for us
 
-       if (!data->iam_master)
-               return PLUGIN_RET_NOTMASTER;
+    if (!data->iam_master)
+       return PLUGIN_RET_NOTMASTER;
 
-       flag = data->argv[0][0] == 't';
+    flag = data->argv[0][0] == 't';
 
-       if (flag)
+    if (flag)
+    {
+       if (data->argc < 2 || data->argc > 6)
        {
-               if (data->argc < 2 || data->argc > 4)
-               {
-                       data->response = NSCTL_RES_ERR;
-                       data->additional = "requires username or session id and optional rate(s)";
-                       return PLUGIN_RET_STOP;
-               }
+           data->response = NSCTL_RES_ERR;
+           data->additional = "requires username or session id and optional rate(s)";
+           return PLUGIN_RET_STOP;
        }
-       else
+    }
+    else
+    {
+       if (data->argc != 2)
        {
-               if (data->argc != 2)
-               {
-                       data->response = NSCTL_RES_ERR;
-                       data->additional = "requires username or session id";
-                       return PLUGIN_RET_STOP;
-               }
+           data->response = NSCTL_RES_ERR;
+           data->additional = "requires username or session id";
+           return PLUGIN_RET_STOP;
        }
+    }
 
-       if (!(session = strtol(data->argv[1], &end, 10)) || *end)
-               session = p->get_session_by_username(data->argv[1]);
+    if (!(session = strtol(data->argv[1], &end, 10)) || *end)
+       session = f->get_session_by_username(data->argv[1]);
 
-       if (session)
-               s = p->get_session_by_id(session);
+    if (session)
+       s = f->get_session_by_id(session);
 
-       if (!s || !s->ip)
+    if (!s || !s->ip)
+    {
+       data->response = NSCTL_RES_ERR;
+       data->additional = "session not found";
+       return PLUGIN_RET_STOP;
+    }
+
+    if (flag)
+    {
+       rate_in = rate_out = -1;
+       if (data->argc == 2)
        {
-               data->response = NSCTL_RES_ERR;
-               data->additional = "session not found";
-               return PLUGIN_RET_STOP;
+           unsigned long *rate = f->getconfig("throttle_speed", UNSIGNED_LONG);
+           rate_in = rate_out = *rate;
        }
-
-       if (flag)
+       else if (data->argc == 3)
        {
-               rate_in = rate_out = -1;
-               if (data->argc == 2)
+           rate_in = rate_out = atoi(data->argv[2]);
+       }
+       else
+       {
+           int i;
+           for (i = 2; i < data->argc - 1; i += 2)
+           {
+               int len = strlen(data->argv[i]);
+               if (!strncmp(data->argv[i], "in", len))
                {
-                       unsigned long *rate = p->getconfig("throttle_speed", UNSIGNED_LONG);
-                       rate_in = rate_out = *rate;
+                   rate_in = atoi(data->argv[i+1]);
                }
-               else if (data->argc == 3)
+               else if (!strncmp(data->argv[i], "out", len))
                {
-                       rate_in = rate_out = atoi(data->argv[2]);
+                   rate_out = atoi(data->argv[i+1]);
                }
                else
                {
-                       int i;
-                       for (i = 2; i < data->argc - 1; i += 2)
-                       {
-                               int len = strlen(data->argv[i]);
-                               if (!strncmp(data->argv[i], "in", len))
-                               {
-                                       rate_in = atoi(data->argv[i+1]);
-                               }
-                               else if (!strncmp(data->argv[i], "out", len))
-                               {
-                                       rate_out = atoi(data->argv[i+1]);
-                               }
-                               else
-                               {
-                                       data->response = NSCTL_RES_ERR;
-                                       data->additional = "invalid rate";
-                                       return PLUGIN_RET_STOP;
-                               }
-                       }
-               }
-
-               if (!rate_in || !rate_out)
-               {
-                       data->response = NSCTL_RES_ERR;
-                       data->additional = "invalid rate";
-                       return PLUGIN_RET_STOP;
+                   data->response = NSCTL_RES_ERR;
+                   data->additional = "invalid rate";
+                   return PLUGIN_RET_STOP;
                }
+           }
        }
 
-       if (rate_in != -1 && rate_in == s->throttle_in &&
-           rate_out != -1 && rate_out == s->throttle_out)
+       if (!rate_in || !rate_out)
        {
-               data->response = NSCTL_RES_ERR;
-               data->additional = flag ? "already throttled" : "not throttled";
-               return PLUGIN_RET_STOP;
+           data->response = NSCTL_RES_ERR;
+           data->additional = "invalid rate";
+           return PLUGIN_RET_STOP;
        }
+    }
 
-       p->throttle(session, rate_in, rate_out);
-       p->session_changed(session);
+    if (rate_in != -1 && rate_in == s->throttle_in &&
+       rate_out != -1 && rate_out == s->throttle_out)
+    {
+       data->response = NSCTL_RES_ERR;
+       data->additional = flag ? "already throttled" : "not throttled";
+       return PLUGIN_RET_STOP;
+    }
 
-       data->response = NSCTL_RES_OK;
-       data->additional = 0;
+    f->throttle(session, rate_in, rate_out);
+    f->session_changed(session);
 
-       return PLUGIN_RET_STOP;
+    data->response = NSCTL_RES_OK;
+    data->additional = 0;
+
+    return PLUGIN_RET_STOP;
+}
+
+int plugin_init(struct pluginfuncs *funcs)
+{
+    return ((f = funcs)) ? 1 : 0;
 }