X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/eb6906a28c887872d459890ad05cbf8e07c97b75..3bea7b1e3e74035ee1eabd50396624edf4f070d4:/throttlectl.c diff --git a/throttlectl.c b/throttlectl.c index cf6508e..46ce824 100644 --- a/throttlectl.c +++ b/throttlectl.c @@ -5,147 +5,131 @@ /* throttle control */ -char const *cvs_id = "$Id: throttlectl.c,v 1.1 2004-11-17 15:08:19 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 }; -static int iam_master = 0; - -int plugin_init(struct pluginfuncs *funcs) -{ - if (!funcs) - return 0; - - p = funcs; - return 1; -} - -int plugin_become_master(void) -{ - iam_master = 1; - return PLUGIN_RET_OK; -} - 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; - flag = data->argv[0][0] != 'g'; + flag = data->argv[0][0] == 't'; - if (!iam_master) + if (flag) + { + if (data->argc < 2 || data->argc > 6) { - data->response = NSCTL_RES_ERR; - data->additional = "must be run on the cluster master"; - return PLUGIN_RET_STOP; + data->response = NSCTL_RES_ERR; + data->additional = "requires username or session id and optional rate(s)"; + return PLUGIN_RET_STOP; } - - if (flag) + } + else + { + if (data->argc != 2) { - 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; - } - } - else - { - 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 = f->get_session_by_username(data->argv[1]); - if (!(session = strtol(data->argv[1], &end, 10)) || *end) - session = p->get_session_by_username(data->argv[1]); + if (session) + s = f->get_session_by_id(session); - if (session) - s = p->get_session_by_id(session); + if (!s || !s->ip) + { + data->response = NSCTL_RES_ERR; + data->additional = "session not found"; + return PLUGIN_RET_STOP; + } - if (!s || !s->ip) + 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(argv[i+1]); - } - else if (!strncmp(data->argv[i], "out", len)) - { - rate_out = atoi(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; } + } + + 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; + } - p->throttle(session, rate_in, rate_out); - p->sesssion_changed(session); + f->throttle(session, rate_in, rate_out); + f->session_changed(session); - data->response = NSCTL_RES_OK; - data->additional = 0; + data->response = NSCTL_RES_OK; + data->additional = 0; - return PLUGIN_RET_STOP; + return PLUGIN_RET_STOP; +} + +int plugin_init(struct pluginfuncs *funcs) +{ + return ((f = funcs)) ? 1 : 0; }