X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fconntrack.c;h=26f62786b242872dd89c4a943358f3d0164b2d45;hb=b42b7eaaaa3d2b375dc17b52f8858c0ebe2f5f40;hp=e7bccad353064f6e8d16a6b6420a303b51a017a0;hpb=575e601fb46732bc0538ef92ea6ac3b00ef3aafd;p=collectd.git diff --git a/src/conntrack.c b/src/conntrack.c index e7bccad3..26f62786 100644 --- a/src/conntrack.c +++ b/src/conntrack.c @@ -18,10 +18,11 @@ * Authors: * Tomasz Pala * based on entropy.c by: - * Florian octo Forster + * Florian octo Forster **/ #include "collectd.h" + #include "common.h" #include "plugin.h" @@ -31,6 +32,27 @@ #define CONNTRACK_FILE "/proc/sys/net/netfilter/nf_conntrack_count" #define CONNTRACK_MAX_FILE "/proc/sys/net/netfilter/nf_conntrack_max" +#define CONNTRACK_FILE_OLD "/proc/sys/net/ipv4/netfilter/ip_conntrack_count" +#define CONNTRACK_MAX_FILE_OLD "/proc/sys/net/ipv4/netfilter/ip_conntrack_max" + +static const char *config_keys[] = +{ + "OldFiles" +}; +static int config_keys_num = STATIC_ARRAY_SIZE (config_keys); +/* + Each table/chain combo that will be queried goes into this list +*/ + +static int old_files = 0; + +static int conntrack_config(const char *key, const char *value) +{ + if (strcmp(key, "OldFiles") == 0) + old_files = 1; + + return 0; +} static void conntrack_submit (const char *type, const char *type_instance, value_t conntrack) @@ -39,7 +61,6 @@ static void conntrack_submit (const char *type, const char *type_instance, vl.values = &conntrack; vl.values_len = 1; - sstrncpy (vl.host, hostname_g, sizeof (vl.host)); sstrncpy (vl.plugin, "conntrack", sizeof (vl.plugin)); sstrncpy (vl.type, type, sizeof (vl.type)); if (type_instance != NULL) @@ -52,67 +73,33 @@ static void conntrack_submit (const char *type, const char *type_instance, static int conntrack_read (void) { value_t conntrack, conntrack_max, conntrack_pct; - FILE *fh; - char buffer[64]; - size_t buffer_len; - - fh = fopen (CONNTRACK_FILE, "r"); - if (fh == NULL) - return (-1); - memset (buffer, 0, sizeof (buffer)); - if (fgets (buffer, sizeof (buffer), fh) == NULL) + char const *path = old_files ? CONNTRACK_FILE_OLD : CONNTRACK_FILE; + if (parse_value_file (path, &conntrack, DS_TYPE_GAUGE) != 0) { - fclose (fh); + ERROR ("conntrack plugin: Reading \"%s\" failed.", path); return (-1); } - fclose (fh); - - /* strip trailing newline. */ - buffer_len = strlen (buffer); - while ((buffer_len > 0) && isspace ((int) buffer[buffer_len - 1])) - { - buffer[buffer_len - 1] = 0; - buffer_len--; - } - - if (parse_value (buffer, &conntrack, DS_TYPE_GAUGE) != 0) - return (-1); - - conntrack_submit ("conntrack", NULL, conntrack); - - fh = fopen (CONNTRACK_MAX_FILE, "r"); - if (fh == NULL) - return (-1); - memset (buffer, 0, sizeof (buffer)); - if (fgets (buffer, sizeof (buffer), fh) == NULL) + path = old_files ? CONNTRACK_MAX_FILE_OLD : CONNTRACK_MAX_FILE; + if (parse_value_file (path, &conntrack_max, DS_TYPE_GAUGE) != 0) { - fclose (fh); + ERROR ("conntrack plugin: Reading \"%s\" failed.", path); return (-1); } - fclose (fh); - - /* strip trailing newline. */ - buffer_len = strlen (buffer); - while ((buffer_len > 0) && isspace ((int) buffer[buffer_len - 1])) - { - buffer[buffer_len - 1] = 0; - buffer_len--; - } - - if (parse_value (buffer, &conntrack_max, DS_TYPE_GAUGE) != 0) - return (-1); - conntrack_submit ("conntrack", "max", conntrack_max); conntrack_pct.gauge = (conntrack.gauge / conntrack_max.gauge) * 100; - conntrack_submit ("percent", "used", conntrack_pct); + conntrack_submit ("conntrack", NULL, conntrack); + conntrack_submit ("conntrack", "max", conntrack_max); + conntrack_submit ("percent", "used", conntrack_pct); return (0); } /* static int conntrack_read */ void module_register (void) { + plugin_register_config ("conntrack", conntrack_config, + config_keys, config_keys_num); plugin_register_read ("conntrack", conntrack_read); } /* void module_register */