X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fopenvpn.c;h=cf8c2123e9a249fb47481c88bd25d0139fdea167;hb=456d6b6b5f855b588eaef23b26e5b91d14586cc5;hp=b03ae96444d53b5c932e2ece3ee4f5610e11304f;hpb=f47fafadba730f0758e1718a103a970dd45dc5c5;p=collectd.git diff --git a/src/openvpn.c b/src/openvpn.c index b03ae964..cf8c2123 100644 --- a/src/openvpn.c +++ b/src/openvpn.c @@ -1,8 +1,9 @@ /** * collectd - src/openvpn.c - * Copyright (C) 2008 Doug MacEachern - * Copyright (C) 2009 Florian octo Forster - * Copyright (C) 2009 Marco Chiappero + * Copyright (C) 2008 Doug MacEachern + * Copyright (C) 2009,2010 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 @@ -19,8 +20,9 @@ * * Authors: * Doug MacEachern - * Florian octo Forster + * Florian octo Forster * Marco Chiappero + * Fabian Schuh **/ #include "collectd.h" @@ -50,16 +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 int number_connectedusers = 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", + "Compression", /* old, deprecated name */ "ImprovedNamingSchema", - "AggregateUsers" + "CollectCompression", + "CollectUserCount", + "CollectIndividualUsers" }; static int config_keys_num = STATIC_ARRAY_SIZE (config_keys); @@ -109,13 +114,13 @@ static void numusers_submit (char *pinst, char *tinst, gauge_t value) } /* 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) +static void iostats_submit (char *pinst, char *tinst, derive_t rx, derive_t tx) { value_t values[2]; value_list_t vl = VALUE_LIST_INIT; - values[0].counter = rx; - values[1].counter = tx; + values[0].derive = rx; + values[1].derive = tx; /* NOTE ON THE NEW NAMING SCHEMA: * using plugin_instance to identify each vpn config (and @@ -139,13 +144,13 @@ static void iostats_submit (char *pinst, char *tinst, counter_t rx, counter_t tx /* dispatches stats about data compression shown when in single mode */ static void compression_submit (char *pinst, char *tinst, - counter_t uncompressed, counter_t compressed) + derive_t uncompressed, derive_t compressed) { value_t values[2]; value_list_t vl = VALUE_LIST_INIT; - values[0].counter = uncompressed; - values[1].counter = compressed; + values[0].derive = uncompressed; + values[1].derive = compressed; vl.values = values; vl.values_len = STATIC_ARRAY_SIZE (values); @@ -168,11 +173,11 @@ static int single_read (char *name, FILE *fh) const int max_fields = STATIC_ARRAY_SIZE (fields); int fields_num, read = 0; - counter_t link_rx, link_tx; - counter_t tun_rx, tun_tx; - counter_t pre_compress, post_compress; - counter_t pre_decompress, post_decompress; - counter_t overhead_rx, overhead_tx; + derive_t link_rx, link_tx; + derive_t tun_rx, tun_tx; + derive_t pre_compress, post_compress; + derive_t pre_decompress, post_decompress; + derive_t overhead_rx, overhead_tx; link_rx = 0; link_tx = 0; @@ -182,8 +187,6 @@ static int single_read (char *name, FILE *fh) post_compress = 0; pre_decompress = 0; post_decompress = 0; - overhead_rx = 0; - overhead_tx = 0; while (fgets (buffer, sizeof (buffer), fh) != NULL) { @@ -244,7 +247,7 @@ 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); @@ -260,7 +263,7 @@ static int multi1_read (char *name, FILE *fh) { char buffer[1024]; char *fields[10]; - int fields_num, read = 0, found_header = 0; + int fields_num, found_header = 0; long long sum_users = 0; /* read the file until the "ROUTING TABLE" line is found (no more info after) */ @@ -285,36 +288,37 @@ static int multi1_read (char *name, FILE *fh) if (fields_num < 4) continue; - if (number_connectedusers) - /* If so, sum all users, ignore the individuals*/ + if (collect_user_count) + /* If so, sum all users, ignore the individuals*/ { - sum_users += 1; + sum_users += 1; } - - if (new_naming_schema) + 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" */ - } - else - { - iostats_submit (name, /* vpn instance */ - fields[0], /* "Common Name" */ - 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 (number_connectedusers && read == 1) - { - numusers_submit(name, name, sum_users); - } + if (ferror (fh)) + return (0); - return (read); + if (collect_user_count) + numusers_submit(name, name, sum_users); + + return (1); } /* int multi1_read */ /* for reading status version 2 */ @@ -342,36 +346,39 @@ static int multi2_read (char *name, FILE *fh) if (strcmp (fields[0], "CLIENT_LIST") != 0) continue; - if (number_connectedusers) - /* If so, sum all users, ignore the individuals*/ + if (collect_user_count) + /* If so, sum all users, ignore the individuals*/ { - sum_users += 1; + sum_users += 1; } - - if (new_naming_schema) + if (collect_individual_users) { - /* 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" */ + 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 (number_connectedusers && read == 1) + if (collect_user_count) { - numusers_submit(name, name, sum_users); - } + numusers_submit(name, name, sum_users); + read = 1; + } return (read); } /* int multi2_read */ @@ -404,34 +411,38 @@ static int multi3_read (char *name, FILE *fh) if (strcmp (fields[0], "CLIENT_LIST") != 0) continue; - if (number_connectedusers) - /* If so, sum all users, ignore the individuals*/ + if (collect_user_count) + /* If so, sum all users, ignore the individuals*/ { - sum_users += 1; + sum_users += 1; } - if (new_naming_schema) + if (collect_individual_users) { - 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" */ + 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; + read = 1; } } - if (number_connectedusers && read == 1) + if (collect_user_count) { - numusers_submit(name, name, sum_users); + numusers_submit(name, name, sum_users); + read = 1; } return (read); @@ -453,7 +464,7 @@ 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; } @@ -565,7 +576,7 @@ 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); } @@ -574,7 +585,7 @@ 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); } @@ -615,7 +626,7 @@ 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); @@ -628,16 +639,14 @@ 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)) @@ -650,18 +659,20 @@ static int openvpn_config (const char *key, const char *value) new_naming_schema = 0; } } /* if (strcasecmp ("ImprovedNamingSchema", key) == 0) */ - else if (strcasecmp("AggregateUsers", key) == 0) + else if (strcasecmp("CollectUserCount", key) == 0) { if (IS_TRUE(value)) - { - DEBUG ("openvpn plugin: Summing up all users"); - number_connectedusers = 1; - } + collect_user_count = 1; else - { - number_connectedusers = 0; - } - } /* if (strcasecmp("AggregateUsers", key) == 0) */ + 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); @@ -686,12 +697,29 @@ 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 : */