X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fopenvpn.c;h=2aca4145cdae3d36c2e1ead682b9ab0343a418b6;hb=61a1fa91ba73e4fe3a34949f77c5f017056f2b7a;hp=9c717dd0a64a0f9511473c0c976f10c0f31bd639;hpb=105c64c6f20807fa105b6aa350cc79c0d3a38488;p=collectd.git diff --git a/src/openvpn.c b/src/openvpn.c index 9c717dd0..2aca4145 100644 --- a/src/openvpn.c +++ b/src/openvpn.c @@ -3,6 +3,7 @@ * Copyright (C) 2008 Doug MacEachern * Copyright (C) 2009 Florian octo Forster * Copyright (C) 2009 Marco Chiappero + * Copyright (C) 2009 Fabian Schuh * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -21,6 +22,7 @@ * Doug MacEachern * Florian octo Forster * Marco Chiappero + * Fabian Schuh **/ #include "collectd.h" @@ -50,14 +52,19 @@ typedef struct vpn_status_s vpn_status_t; static vpn_status_t **vpn_list = NULL; static int vpn_num = 0; -static int store_compression = 1; -static int new_naming_schema = 0; +static _Bool new_naming_schema = 0; +static _Bool collect_compression = 1; +static _Bool collect_user_count = 0; +static _Bool collect_individual_users = 1; static const char *config_keys[] = { "StatusFile", - "Compression", - "ImprovedNamingSchema" + "Compression", /* old, deprecated name */ + "ImprovedNamingSchema", + "CollectCompression", + "CollectUserCount", + "CollectIndividualUsers" }; static int config_keys_num = STATIC_ARRAY_SIZE (config_keys); @@ -85,6 +92,27 @@ static int openvpn_strsplit (char *string, char **fields, size_t size) return (i); } /* int openvpn_strsplit */ +/* dispatches number of users */ +static void numusers_submit (char *pinst, char *tinst, gauge_t value) +{ + value_t values[1]; + value_list_t vl = VALUE_LIST_INIT; + + values[0].gauge = value; + + vl.values = values; + vl.values_len = STATIC_ARRAY_SIZE (values); + sstrncpy (vl.host, hostname_g, sizeof (vl.host)); + sstrncpy (vl.plugin, "openvpn", sizeof (vl.plugin)); + sstrncpy (vl.type, "users", sizeof (vl.type)); + if (pinst != NULL) + sstrncpy (vl.plugin_instance, pinst, sizeof (vl.plugin_instance)); + if (tinst != NULL) + sstrncpy (vl.type_instance, tinst, sizeof (vl.type_instance)); + + plugin_dispatch_values (&vl); +} /* void numusers_submit */ + /* dispatches stats about traffic (TCP or UDP) generated by the tunnel per single endpoint */ static void iostats_submit (char *pinst, char *tinst, counter_t rx, counter_t tx) { @@ -221,7 +249,7 @@ static int single_read (char *name, FILE *fh) iostats_submit (name, "overhead", overhead_rx, overhead_tx); - if (store_compression) + if (collect_compression) { compression_submit (name, "data_in", post_decompress, pre_decompress); compression_submit (name, "data_out", pre_compress, post_compress); @@ -238,6 +266,7 @@ static int multi1_read (char *name, FILE *fh) char buffer[1024]; char *fields[10]; int fields_num, read = 0, found_header = 0; + long long sum_users = 0; /* read the file until the "ROUTING TABLE" line is found (no more info after) */ while (fgets (buffer, sizeof (buffer), fh) != NULL) @@ -261,24 +290,38 @@ static int multi1_read (char *name, FILE *fh) if (fields_num < 4) continue; - if (new_naming_schema) + if (collect_user_count) + /* If so, sum all users, ignore the individuals*/ { - iostats_submit (name, /* vpn instance */ - fields[0], /* "Common Name" */ - atoll (fields[2]), /* "Bytes Received" */ - atoll (fields[3])); /* "Bytes Sent" */ + sum_users += 1; } - else + if (collect_individual_users) { - iostats_submit (fields[0], /* "Common Name" */ - NULL, /* unused when in multimode */ - atoll (fields[2]), /* "Bytes Received" */ - atoll (fields[3])); /* "Bytes Sent" */ + if (new_naming_schema) + { + iostats_submit (name, /* vpn instance */ + fields[0], /* "Common Name" */ + atoll (fields[2]), /* "Bytes Received" */ + atoll (fields[3])); /* "Bytes Sent" */ + } + else + { + iostats_submit (fields[0], /* "Common Name" */ + NULL, /* unused when in multimode */ + atoll (fields[2]), /* "Bytes Received" */ + atoll (fields[3])); /* "Bytes Sent" */ + } } read = 1; } + if (collect_user_count) + { + numusers_submit(name, name, sum_users); + read = 1; + } + return (read); } /* int multi1_read */ @@ -289,6 +332,7 @@ static int multi2_read (char *name, FILE *fh) char *fields[10]; const int max_fields = STATIC_ARRAY_SIZE (fields); int fields_num, read = 0; + long long sum_users = 0; while (fgets (buffer, sizeof (buffer), fh) != NULL) { @@ -306,26 +350,40 @@ static int multi2_read (char *name, FILE *fh) if (strcmp (fields[0], "CLIENT_LIST") != 0) continue; - if (new_naming_schema) + if (collect_user_count) + /* If so, sum all users, ignore the individuals*/ { - /* plugin inst = file name, type inst = fields[1] */ - iostats_submit (name, /* vpn instance */ - fields[1], /* "Common Name" */ - atoll (fields[4]), /* "Bytes Received" */ - atoll (fields[5])); /* "Bytes Sent" */ + sum_users += 1; } - else + if (collect_individual_users) { - /* plugin inst = fields[1], type inst = "" */ - iostats_submit (fields[1], /* "Common Name" */ - NULL, /* unused when in multimode */ - atoll (fields[4]), /* "Bytes Received" */ - atoll (fields[5])); /* "Bytes Sent" */ + if (new_naming_schema) + { + /* plugin inst = file name, type inst = fields[1] */ + iostats_submit (name, /* vpn instance */ + fields[1], /* "Common Name" */ + atoll (fields[4]), /* "Bytes Received" */ + atoll (fields[5])); /* "Bytes Sent" */ + } + else + { + /* plugin inst = fields[1], type inst = "" */ + iostats_submit (fields[1], /* "Common Name" */ + NULL, /* unused when in multimode */ + atoll (fields[4]), /* "Bytes Received" */ + atoll (fields[5])); /* "Bytes Sent" */ + } } read = 1; } + if (collect_user_count) + { + numusers_submit(name, name, sum_users); + read = 1; + } + return (read); } /* int multi2_read */ @@ -336,6 +394,7 @@ static int multi3_read (char *name, FILE *fh) char *fields[15]; const int max_fields = STATIC_ARRAY_SIZE (fields); int fields_num, read = 0; + long long sum_users = 0; while (fgets (buffer, sizeof (buffer), fh) != NULL) { @@ -356,25 +415,40 @@ static int multi3_read (char *name, FILE *fh) if (strcmp (fields[0], "CLIENT_LIST") != 0) continue; - if (new_naming_schema) + if (collect_user_count) + /* If so, sum all users, ignore the individuals*/ { - iostats_submit (name, /* vpn instance */ - fields[1], /* "Common Name" */ - atoll (fields[4]), /* "Bytes Received" */ - atoll (fields[5])); /* "Bytes Sent" */ + sum_users += 1; } - else + + if (collect_individual_users) { - iostats_submit (fields[1], /* "Common Name" */ - NULL, /* unused when in multimode */ - atoll (fields[4]), /* "Bytes Received" */ - atoll (fields[5])); /* "Bytes Sent" */ + if (new_naming_schema) + { + iostats_submit (name, /* vpn instance */ + fields[1], /* "Common Name" */ + atoll (fields[4]), /* "Bytes Received" */ + atoll (fields[5])); /* "Bytes Sent" */ + } + else + { + iostats_submit (fields[1], /* "Common Name" */ + NULL, /* unused when in multimode */ + atoll (fields[4]), /* "Bytes Received" */ + atoll (fields[5])); /* "Bytes Sent" */ + } } read = 1; } } + if (collect_user_count) + { + numusers_submit(name, name, sum_users); + read = 1; + } + return (read); } /* int multi3_read */ @@ -394,7 +468,7 @@ static int openvpn_read (void) { char errbuf[1024]; WARNING ("openvpn plugin: fopen(%s) failed: %s", vpn_list[i]->file, - sstrerror (errno, errbuf, sizeof (errbuf))); + sstrerror (errno, errbuf, sizeof (errbuf))); continue; } @@ -506,7 +580,7 @@ static int openvpn_config (const char *key, const char *value) if (status_version == 0) { WARNING ("openvpn plugin: unable to detect status version, \ - discarding status file \"%s\".", value); + discarding status file \"%s\".", value); return (1); } @@ -515,7 +589,7 @@ static int openvpn_config (const char *key, const char *value) { char errbuf[1024]; WARNING ("openvpn plugin: sstrdup failed: %s", - sstrerror (errno, errbuf, sizeof (errbuf))); + sstrerror (errno, errbuf, sizeof (errbuf))); return (1); } @@ -556,7 +630,7 @@ static int openvpn_config (const char *key, const char *value) { char errbuf[1024]; ERROR ("openvpn plugin: malloc failed: %s", - sstrerror (errno, errbuf, sizeof (errbuf))); + sstrerror (errno, errbuf, sizeof (errbuf))); sfree (temp->file); sfree (temp); @@ -569,16 +643,14 @@ static int openvpn_config (const char *key, const char *value) DEBUG ("openvpn plugin: status file \"%s\" added", temp->file); } /* if (strcasecmp ("StatusFile", key) == 0) */ - else if (strcasecmp ("Compression", key) == 0) + else if ((strcasecmp ("CollectCompression", key) == 0) + || (strcasecmp ("Compression", key) == 0)) /* old, deprecated name */ { - if (IS_TRUE (value)) - store_compression = 1; + if (IS_FALSE (value)) + collect_compression = 0; else - { - store_compression = 0; - DEBUG ("openvpn plugin: no 'compression statistcs' collected"); - } - } /* if (strcasecmp ("Compression", key) == 0) */ + collect_compression = 1; + } /* if (strcasecmp ("CollectCompression", key) == 0) */ else if (strcasecmp ("ImprovedNamingSchema", key) == 0) { if (IS_TRUE (value)) @@ -591,6 +663,20 @@ static int openvpn_config (const char *key, const char *value) new_naming_schema = 0; } } /* if (strcasecmp ("ImprovedNamingSchema", key) == 0) */ + else if (strcasecmp("CollectUserCount", key) == 0) + { + if (IS_TRUE(value)) + collect_user_count = 1; + else + collect_user_count = 0; + } /* if (strcasecmp("CollectUserCount", key) == 0) */ + else if (strcasecmp("CollectIndividualUsers", key) == 0) + { + if (IS_FALSE (value)) + collect_individual_users = 0; + else + collect_individual_users = 1; + } /* if (strcasecmp("CollectIndividualUsers", key) == 0) */ else { return (-1); @@ -615,12 +701,29 @@ static int openvpn_shutdown (void) return (0); } /* int openvpn_shutdown */ +static int openvpn_init (void) +{ + if (!collect_individual_users + && !collect_compression + && !collect_user_count) + { + WARNING ("OpenVPN plugin: Neither `CollectIndividualUsers', " + "`CollectCompression', nor `CollectUserCount' is true. There's no " + "data left to collect."); + return (-1); + } + + plugin_register_read ("openvpn", openvpn_read); + plugin_register_shutdown ("openvpn", openvpn_shutdown); + + return (0); +} /* int openvpn_init */ + void module_register (void) { plugin_register_config ("openvpn", openvpn_config, config_keys, config_keys_num); - plugin_register_read ("openvpn", openvpn_read); - plugin_register_shutdown ("openvpn", openvpn_shutdown); + plugin_register_init ("openvpn", openvpn_init); } /* void module_register */ /* vim: set sw=2 ts=2 : */