From: Florian Forster Date: Wed, 8 Jul 2009 16:09:46 +0000 (+0200) Subject: tokyotyrant plugin: Lookup service names (port names) and minor fixes. X-Git-Tag: collectd-4.8.0~76^2~1 X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=dcdeb5cbba467174efd97e019ad6b54e38a9fbb0;p=collectd.git tokyotyrant plugin: Lookup service names (port names) and minor fixes. --- diff --git a/src/tokyotyrant.c b/src/tokyotyrant.c index c3076f5b..26366c92 100644 --- a/src/tokyotyrant.c +++ b/src/tokyotyrant.c @@ -24,6 +24,11 @@ #include "common.h" #include "utils_cache.h" #include "utils_parse_option.h" + +#include +#include +#include + #include #define DEFAULT_HOST "127.0.0.1" @@ -41,6 +46,56 @@ static char *config_port = NULL; static TCRDB *rdb = NULL; +static int parse_service_name (const char *service_name) +{ + struct addrinfo *ai_list; + struct addrinfo *ai_ptr; + struct addrinfo ai_hints; + int status; + int service_number; + + ai_list = NULL; + memset (&ai_hints, 0, sizeof (ai_hints)); + ai_hints.ai_family = AF_UNSPEC; + + status = getaddrinfo (/* node = */ NULL, service_name, + &ai_hints, &ai_list); + if (status != 0) + { + ERROR ("tokyotyrant plugin: getaddrinfo failed: %s", + gai_strerror (status)); + return (-1); + } + + service_number = -1; + for (ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next) + { + if (ai_ptr->ai_family == AF_INET) + { + struct sockaddr_in *sa; + + sa = (void *) ai_ptr->ai_addr; + service_number = (int) ntohs (sa->sin_port); + } + else if (ai_ptr->ai_family == AF_INET6) + { + struct sockaddr_in6 *sa; + + sa = (void *) ai_ptr->ai_addr; + service_number = (int) ntohs (sa->sin6_port); + } + + if ((service_number > 0) && (service_number <= 65535)) + break; + } + + freeaddrinfo (ai_list); + + if ((service_number > 0) && (service_number <= 65535)) + return (service_number); + return (-1); +} /* int parse_service_name */ + static int tt_config (const char *key, const char *value) { if (strcasecmp ("Host", key) == 0) @@ -104,9 +159,41 @@ static void tt_submit (gauge_t val, const char* type) plugin_dispatch_values (&vl); } +static void tt_open_db (void) +{ + char* host = NULL; + int port = DEFAULT_PORT; + + if (rdb != NULL) + return; + + host = ((config_host != NULL) ? config_host : DEFAULT_HOST); + + if (config_port != NULL) + { + port = parse_service_name (config_port); + if (port <= 0) + return; + } + + rdb = tcrdbnew (); + if (rdb == NULL) + return; + else if (!tcrdbopen(rdb, host, port)) + { + printerr (); + tcrdbdel (rdb); + rdb = NULL; + } +} /* void tt_open_db */ + static int tt_read (void) { gauge_t rnum, size; + tt_open_db (); + if (rdb == NULL) + return (-1); + rnum = tcrdbrnum(rdb); tt_submit (rnum, "records"); @@ -116,41 +203,24 @@ static int tt_read (void) { return (0); } -static int tt_init(void) -{ - char* host = NULL; - int port; - - host = ((config_host != NULL) ? config_host : DEFAULT_HOST); - port = ((config_port != NULL) ? atoi(config_port) : DEFAULT_PORT); - - rdb = tcrdbnew(); - - if (!tcrdbopen(rdb, host, port)) - { - printerr (); - tcrdbdel (rdb); - return (1); - } - - return(0); -} - static int tt_shutdown(void) { - sfree(config_host); - sfree(config_port); + sfree(config_host); + sfree(config_port); - if (!tcrdbclose(rdb)) + if (rdb != NULL) { - printerr (); + if (!tcrdbclose(rdb)) + { + printerr (); + tcrdbdel (rdb); + return (1); + } tcrdbdel (rdb); - return (1); + rdb = NULL; } - tcrdbdel (rdb); - - return(0); + return(0); } void module_register (void) @@ -158,8 +228,7 @@ void module_register (void) plugin_register_config("tokyotyrant", tt_config, config_keys, config_keys_num); plugin_register_read("tokyotyrant", tt_read); - plugin_register_init("tokyotyrant", tt_init); - plugin_register_shutdown("tokyotyrant", tt_shutdown); + plugin_register_shutdown("tokyotyrant", tt_shutdown); } /* vim: set sw=8 ts=8 tw=78 : */