X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fwrite_http.c;h=0e1bc734a1d4341b64cfc59274c785d849422cec;hb=5b1d67d04e490d48dd72dbb9f84d1a74bfb9dcc1;hp=25133c39cd04ebdcaec852d2f824be304d46ec80;hpb=f2106c1e8c35c24e274f5ec08b70e967ade27ba4;p=collectd.git diff --git a/src/write_http.c b/src/write_http.c index 25133c39..0e1bc734 100644 --- a/src/write_http.c +++ b/src/write_http.c @@ -2,7 +2,7 @@ * collectd - src/write_http.c * Copyright (C) 2009 Paul Sadauskas * Copyright (C) 2009 Doug MacEachern - * Copyright (C) 2007-2009 Florian octo Forster + * Copyright (C) 2007-2014 Florian octo Forster * * 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 @@ -18,7 +18,7 @@ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * Authors: - * Florian octo Forster + * Florian octo Forster * Doug MacEachern * Paul Sadauskas **/ @@ -27,7 +27,6 @@ #include "plugin.h" #include "common.h" #include "utils_cache.h" -#include "utils_parse_option.h" #include "utils_format_json.h" #if HAVE_PTHREAD_H @@ -36,20 +35,35 @@ #include +#ifndef WRITE_HTTP_DEFAULT_BUFFER_SIZE +# define WRITE_HTTP_DEFAULT_BUFFER_SIZE 4096 +#endif + +#define WH_DEFAULT_LOW_LIMIT_BYTES_PER_SEC 100 /* * Private variables */ struct wh_callback_s { - char *location; + char *name; + char *location; char *user; char *pass; char *credentials; - int verify_peer; - int verify_host; + _Bool verify_peer; + _Bool verify_host; char *cacert; - int store_rates; + char *capath; + char *clientkey; + char *clientcert; + char *clientkeypass; + long sslversion; + _Bool store_rates; + _Bool abort_on_slow; + int low_limit_bytes; + time_t interval; + int post_timeout; #define WH_FORMAT_COMMAND 0 #define WH_FORMAT_JSON 1 @@ -58,7 +72,8 @@ struct wh_callback_s CURL *curl; char curl_errbuf[CURL_ERROR_SIZE]; - char send_buffer[4096]; + char *send_buffer; + size_t send_buffer_size; size_t send_buffer_free; size_t send_buffer_fill; cdtime_t send_buffer_init_time; @@ -69,8 +84,8 @@ typedef struct wh_callback_s wh_callback_t; static void wh_reset_buffer (wh_callback_t *cb) /* {{{ */ { - memset (cb->send_buffer, 0, sizeof (cb->send_buffer)); - cb->send_buffer_free = sizeof (cb->send_buffer); + memset (cb->send_buffer, 0, cb->send_buffer_size); + cb->send_buffer_free = cb->send_buffer_size; cb->send_buffer_fill = 0; cb->send_buffer_init_time = cdtime (); @@ -111,6 +126,16 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */ return (-1); } + if (cb->abort_on_slow && cb->interval > 0) + { + curl_easy_setopt (cb->curl, CURLOPT_LOW_SPEED_LIMIT, + (cb->low_limit_bytes ? cb->low_limit_bytes : WH_DEFAULT_LOW_LIMIT_BYTES_PER_SEC)); + curl_easy_setopt (cb->curl, CURLOPT_LOW_SPEED_TIME, cb->interval); + } + + if (cb->post_timeout > 0) + curl_easy_setopt (cb->curl, CURLOPT_TIMEOUT, cb->post_timeout); + curl_easy_setopt (cb->curl, CURLOPT_NOSIGNAL, 1L); curl_easy_setopt (cb->curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT); @@ -125,9 +150,16 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */ curl_easy_setopt (cb->curl, CURLOPT_ERRORBUFFER, cb->curl_errbuf); curl_easy_setopt (cb->curl, CURLOPT_URL, cb->location); + curl_easy_setopt (cb->curl, CURLOPT_FOLLOWLOCATION, 1L); + curl_easy_setopt (cb->curl, CURLOPT_MAXREDIRS, 50L); if (cb->user != NULL) { +#ifdef HAVE_CURLOPT_USERNAME + curl_easy_setopt (cb->curl, CURLOPT_USERNAME, cb->user); + curl_easy_setopt (cb->curl, CURLOPT_PASSWORD, + (cb->pass == NULL) ? "" : cb->pass); +#else size_t credentials_size; credentials_size = strlen (cb->user) + 2; @@ -144,14 +176,27 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */ ssnprintf (cb->credentials, credentials_size, "%s:%s", cb->user, (cb->pass == NULL) ? "" : cb->pass); curl_easy_setopt (cb->curl, CURLOPT_USERPWD, cb->credentials); +#endif curl_easy_setopt (cb->curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY); } curl_easy_setopt (cb->curl, CURLOPT_SSL_VERIFYPEER, (long) cb->verify_peer); curl_easy_setopt (cb->curl, CURLOPT_SSL_VERIFYHOST, cb->verify_host ? 2L : 0L); + curl_easy_setopt (cb->curl, CURLOPT_SSLVERSION, cb->sslversion); if (cb->cacert != NULL) curl_easy_setopt (cb->curl, CURLOPT_CAINFO, cb->cacert); + if (cb->capath != NULL) + curl_easy_setopt (cb->curl, CURLOPT_CAPATH, cb->capath); + + if (cb->clientkey != NULL && cb->clientcert != NULL) + { + curl_easy_setopt (cb->curl, CURLOPT_SSLKEY, cb->clientkey); + curl_easy_setopt (cb->curl, CURLOPT_SSLCERT, cb->clientcert); + + if (cb->clientkeypass != NULL) + curl_easy_setopt (cb->curl, CURLOPT_SSLKEYPASSWD, cb->clientkeypass); + } wh_reset_buffer (cb); @@ -263,12 +308,22 @@ static void wh_callback_free (void *data) /* {{{ */ wh_flush_nolock (/* timeout = */ 0, cb); - curl_easy_cleanup (cb->curl); + if (cb->curl != NULL) + { + curl_easy_cleanup (cb->curl); + cb->curl = NULL; + } + sfree (cb->name); sfree (cb->location); sfree (cb->user); sfree (cb->pass); sfree (cb->credentials); sfree (cb->cacert); + sfree (cb->capath); + sfree (cb->clientkey); + sfree (cb->clientcert); + sfree (cb->clientkeypass); + sfree (cb->send_buffer); sfree (cb); } /* }}} void wh_callback_free */ @@ -321,6 +376,7 @@ static int wh_write_command (const data_set_t *ds, const value_list_t *vl, /* {{ if (cb->curl == NULL) { + cb->interval = CDTIME_T_TO_TIME_T(vl->interval); status = wh_callback_init (cb); if (status != 0) { @@ -350,8 +406,8 @@ static int wh_write_command (const data_set_t *ds, const value_list_t *vl, /* {{ DEBUG ("write_http plugin: <%s> buffer %zu/%zu (%g%%) \"%s\"", cb->location, - cb->send_buffer_fill, sizeof (cb->send_buffer), - 100.0 * ((double) cb->send_buffer_fill) / ((double) sizeof (cb->send_buffer)), + cb->send_buffer_fill, cb->send_buffer_size, + 100.0 * ((double) cb->send_buffer_fill) / ((double) cb->send_buffer_size), command); /* Check if we have enough space for this command. */ @@ -369,6 +425,8 @@ static int wh_write_json (const data_set_t *ds, const value_list_t *vl, /* {{{ * if (cb->curl == NULL) { + cb->interval = CDTIME_T_TO_TIME_T(vl->interval); + status = wh_callback_init (cb); if (status != 0) { @@ -405,8 +463,8 @@ static int wh_write_json (const data_set_t *ds, const value_list_t *vl, /* {{{ * DEBUG ("write_http plugin: <%s> buffer %zu/%zu (%g%%)", cb->location, - cb->send_buffer_fill, sizeof (cb->send_buffer), - 100.0 * ((double) cb->send_buffer_fill) / ((double) sizeof (cb->send_buffer))); + cb->send_buffer_fill, cb->send_buffer_size, + 100.0 * ((double) cb->send_buffer_fill) / ((double) cb->send_buffer_size)); /* Check if we have enough space for this command. */ pthread_mutex_unlock (&cb->send_lock); @@ -433,47 +491,6 @@ static int wh_write (const data_set_t *ds, const value_list_t *vl, /* {{{ */ return (status); } /* }}} int wh_write */ -static int config_set_string (char **ret_string, /* {{{ */ - oconfig_item_t *ci) -{ - char *string; - - if ((ci->values_num != 1) - || (ci->values[0].type != OCONFIG_TYPE_STRING)) - { - WARNING ("write_http plugin: The `%s' config option " - "needs exactly one string argument.", ci->key); - return (-1); - } - - string = strdup (ci->values[0].value.string); - if (string == NULL) - { - ERROR ("write_http plugin: strdup failed."); - return (-1); - } - - if (*ret_string != NULL) - free (*ret_string); - *ret_string = string; - - return (0); -} /* }}} int config_set_string */ - -static int config_set_boolean (int *dest, oconfig_item_t *ci) /* {{{ */ -{ - if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) - { - WARNING ("write_http plugin: The `%s' config option " - "needs exactly one boolean argument.", ci->key); - return (-1); - } - - *dest = ci->values[0].value.boolean ? 1 : 0; - - return (0); -} /* }}} int config_set_boolean */ - static int config_set_format (wh_callback_t *cb, /* {{{ */ oconfig_item_t *ci) { @@ -500,12 +517,14 @@ static int config_set_format (wh_callback_t *cb, /* {{{ */ } return (0); -} /* }}} int config_set_string */ +} /* }}} int config_set_format */ -static int wh_config_url (oconfig_item_t *ci) /* {{{ */ +static int wh_config_node (oconfig_item_t *ci) /* {{{ */ { wh_callback_t *cb; + int buffer_size = 0; user_data_t user_data; + char callback_name[DATA_MAX_NAME_LEN]; int i; cb = malloc (sizeof (*cb)); @@ -515,40 +534,85 @@ static int wh_config_url (oconfig_item_t *ci) /* {{{ */ return (-1); } memset (cb, 0, sizeof (*cb)); - cb->location = NULL; - cb->user = NULL; - cb->pass = NULL; - cb->credentials = NULL; cb->verify_peer = 1; cb->verify_host = 1; - cb->cacert = NULL; cb->format = WH_FORMAT_COMMAND; - cb->curl = NULL; + cb->sslversion = CURL_SSLVERSION_DEFAULT; + cb->low_limit_bytes = WH_DEFAULT_LOW_LIMIT_BYTES_PER_SEC; + cb->post_timeout = 0; pthread_mutex_init (&cb->send_lock, /* attr = */ NULL); - config_set_string (&cb->location, ci); - if (cb->location == NULL) - return (-1); + cf_util_get_string (ci, &cb->name); + + /* FIXME: Remove this legacy mode in version 6. */ + if (strcasecmp ("URL", ci->key) == 0) + cf_util_get_string (ci, &cb->location); for (i = 0; i < ci->children_num; i++) { oconfig_item_t *child = ci->children + i; - if (strcasecmp ("User", child->key) == 0) - config_set_string (&cb->user, child); + if (strcasecmp ("URL", child->key) == 0) + cf_util_get_string (child, &cb->location); + else if (strcasecmp ("User", child->key) == 0) + cf_util_get_string (child, &cb->user); else if (strcasecmp ("Password", child->key) == 0) - config_set_string (&cb->pass, child); + cf_util_get_string (child, &cb->pass); else if (strcasecmp ("VerifyPeer", child->key) == 0) - config_set_boolean (&cb->verify_peer, child); + cf_util_get_boolean (child, &cb->verify_peer); else if (strcasecmp ("VerifyHost", child->key) == 0) - config_set_boolean (&cb->verify_host, child); + cf_util_get_boolean (child, &cb->verify_host); else if (strcasecmp ("CACert", child->key) == 0) - config_set_string (&cb->cacert, child); + cf_util_get_string (child, &cb->cacert); + else if (strcasecmp ("CAPath", child->key) == 0) + cf_util_get_string (child, &cb->capath); + else if (strcasecmp ("ClientKey", child->key) == 0) + cf_util_get_string (child, &cb->clientkey); + else if (strcasecmp ("ClientCert", child->key) == 0) + cf_util_get_string (child, &cb->clientcert); + else if (strcasecmp ("ClientKeyPass", child->key) == 0) + cf_util_get_string (child, &cb->clientkeypass); + else if (strcasecmp ("SSLVersion", child->key) == 0) + { + char *value = NULL; + + cf_util_get_string (child, &value); + + if (value == NULL || strcasecmp ("default", value) == 0) + cb->sslversion = CURL_SSLVERSION_DEFAULT; + else if (strcasecmp ("SSLv2", value) == 0) + cb->sslversion = CURL_SSLVERSION_SSLv2; + else if (strcasecmp ("SSLv3", value) == 0) + cb->sslversion = CURL_SSLVERSION_SSLv3; + else if (strcasecmp ("TLSv1", value) == 0) + cb->sslversion = CURL_SSLVERSION_TLSv1; +#if (LIBCURL_VERSION_MAJOR > 7) || (LIBCURL_VERSION_MAJOR == 7 && LIBCURL_VERSION_MINOR >= 34) + else if (strcasecmp ("TLSv1_0", value) == 0) + cb->sslversion = CURL_SSLVERSION_TLSv1_0; + else if (strcasecmp ("TLSv1_1", value) == 0) + cb->sslversion = CURL_SSLVERSION_TLSv1_1; + else if (strcasecmp ("TLSv1_2", value) == 0) + cb->sslversion = CURL_SSLVERSION_TLSv1_2; +#endif + else + ERROR ("write_http plugin: Invalid SSLVersion " + "option: %s.", value); + + sfree(value); + } else if (strcasecmp ("Format", child->key) == 0) config_set_format (cb, child); else if (strcasecmp ("StoreRates", child->key) == 0) - config_set_boolean (&cb->store_rates, child); + cf_util_get_boolean (child, &cb->store_rates); + else if (strcasecmp ("BufferSize", child->key) == 0) + cf_util_get_int (child, &buffer_size); + else if (strcasecmp ("LowSpeedLimit", child->key) == 0) + cf_util_get_boolean (child,&cb->abort_on_slow); + else if (strcasecmp ("LowLimitBytesPerSec", child->key) == 0) + cf_util_get_int (child, &cb->low_limit_bytes); + else if (strcasecmp ("PostTimeoutSec", child->key) == 0) + cf_util_get_int (child, &cb->post_timeout); else { ERROR ("write_http plugin: Invalid configuration " @@ -556,19 +620,55 @@ static int wh_config_url (oconfig_item_t *ci) /* {{{ */ } } - DEBUG ("write_http: Registering write callback with URL %s", - cb->location); + if (cb->location == NULL) + { + ERROR ("write_http plugin: no URL defined for instance '%s'", + cb->name); + wh_callback_free (cb); + return (-1); + } + + if (cb->abort_on_slow) + cb->interval = CDTIME_T_TO_TIME_T(plugin_get_interval()); + + if (cb->post_timeout == 0) + //setting default timeout to plugin interval. + cb->post_timeout = CDTIME_T_TO_TIME_T(plugin_get_interval()); + + /* Determine send_buffer_size. */ + cb->send_buffer_size = WRITE_HTTP_DEFAULT_BUFFER_SIZE; + if (buffer_size >= 1024) + cb->send_buffer_size = (size_t) buffer_size; + else if (buffer_size != 0) + ERROR ("write_http plugin: Ignoring invalid BufferSize setting (%d).", + buffer_size); + + /* Allocate the buffer. */ + cb->send_buffer = malloc (cb->send_buffer_size); + if (cb->send_buffer == NULL) + { + ERROR ("write_http plugin: malloc(%zu) failed.", cb->send_buffer_size); + wh_callback_free (cb); + return (-1); + } + /* Nulls the buffer and sets ..._free and ..._fill. */ + wh_reset_buffer (cb); + + ssnprintf (callback_name, sizeof (callback_name), "write_http/%s", + cb->name); + DEBUG ("write_http: Registering write callback '%s' with URL '%s'", + callback_name, cb->location); memset (&user_data, 0, sizeof (user_data)); user_data.data = cb; user_data.free_func = NULL; - plugin_register_flush ("write_http", wh_flush, &user_data); + plugin_register_flush (callback_name, wh_flush, &user_data); user_data.free_func = wh_callback_free; - plugin_register_write ("write_http", wh_write, &user_data); + plugin_register_write (callback_name, wh_write, &user_data); return (0); -} /* }}} int wh_config_url */ +} /* }}} int wh_config_node */ static int wh_config (oconfig_item_t *ci) /* {{{ */ { @@ -578,8 +678,14 @@ static int wh_config (oconfig_item_t *ci) /* {{{ */ { oconfig_item_t *child = ci->children + i; - if (strcasecmp ("URL", child->key) == 0) - wh_config_url (child); + if (strcasecmp ("Node", child->key) == 0) + wh_config_node (child); + /* FIXME: Remove this legacy mode in version 6. */ + else if (strcasecmp ("URL", child->key) == 0) { + WARNING ("write_http plugin: Legacy block found. " + "Please use instead."); + wh_config_node (child); + } else { ERROR ("write_http plugin: Invalid configuration " @@ -590,9 +696,18 @@ static int wh_config (oconfig_item_t *ci) /* {{{ */ return (0); } /* }}} int wh_config */ +static int wh_init (void) /* {{{ */ +{ + /* Call this while collectd is still single-threaded to avoid + * initialization issues in libgcrypt. */ + curl_global_init (CURL_GLOBAL_SSL); + return (0); +} /* }}} int wh_init */ + void module_register (void) /* {{{ */ { plugin_register_complex_config ("write_http", wh_config); + plugin_register_init ("write_http", wh_init); } /* }}} void module_register */ /* vim: set fdm=marker sw=8 ts=8 tw=78 et : */