X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fwrite_http.c;h=c2968290055013ada258b019461a7d454130f36a;hb=99eb08be924850cf76e3dece205d5cbf9c7d74c7;hp=ab8757ed67f151875bc806279425f3c86d971c87;hpb=dbcb0610ae7dfa0155b04aa4174ec35a1058d18e;p=collectd.git diff --git a/src/write_http.c b/src/write_http.c index ab8757ed..c2968290 100644 --- a/src/write_http.c +++ b/src/write_http.c @@ -56,12 +56,13 @@ struct wh_callback_s int format; CURL *curl; + struct curl_slist *headers; char curl_errbuf[CURL_ERROR_SIZE]; char send_buffer[4096]; size_t send_buffer_free; size_t send_buffer_fill; - time_t send_buffer_init_time; + cdtime_t send_buffer_init_time; pthread_mutex_t send_lock; }; @@ -72,7 +73,7 @@ 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); cb->send_buffer_fill = 0; - cb->send_buffer_init_time = time (NULL); + cb->send_buffer_init_time = cdtime (); if (cb->format == WH_FORMAT_JSON) { @@ -88,7 +89,7 @@ static int wh_send_buffer (wh_callback_t *cb) /* {{{ */ curl_easy_setopt (cb->curl, CURLOPT_POSTFIELDS, cb->send_buffer); status = curl_easy_perform (cb->curl); - if (status != 0) + if (status != CURLE_OK) { ERROR ("write_http plugin: curl_easy_perform failed with " "status %i: %s", @@ -99,8 +100,6 @@ static int wh_send_buffer (wh_callback_t *cb) /* {{{ */ static int wh_callback_init (wh_callback_t *cb) /* {{{ */ { - struct curl_slist *headers; - if (cb->curl != NULL) return (0); @@ -111,16 +110,17 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */ return (-1); } + curl_easy_setopt (cb->curl, CURLOPT_NOSIGNAL, 1L); curl_easy_setopt (cb->curl, CURLOPT_USERAGENT, PACKAGE_NAME"/"PACKAGE_VERSION); - headers = NULL; - headers = curl_slist_append (headers, "Accept: */*"); + cb->headers = NULL; + cb->headers = curl_slist_append (cb->headers, "Accept: */*"); if (cb->format == WH_FORMAT_JSON) - headers = curl_slist_append (headers, "Content-Type: application/json"); + cb->headers = curl_slist_append (cb->headers, "Content-Type: application/json"); else - headers = curl_slist_append (headers, "Content-Type: text/plain"); - headers = curl_slist_append (headers, "Expect:"); - curl_easy_setopt (cb->curl, CURLOPT_HTTPHEADER, headers); + cb->headers = curl_slist_append (cb->headers, "Content-Type: text/plain"); + cb->headers = curl_slist_append (cb->headers, "Expect:"); + curl_easy_setopt (cb->curl, CURLOPT_HTTPHEADER, cb->headers); curl_easy_setopt (cb->curl, CURLOPT_ERRORBUFFER, cb->curl_errbuf); curl_easy_setopt (cb->curl, CURLOPT_URL, cb->location); @@ -146,9 +146,9 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */ curl_easy_setopt (cb->curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY); } - curl_easy_setopt (cb->curl, CURLOPT_SSL_VERIFYPEER, cb->verify_peer); + curl_easy_setopt (cb->curl, CURLOPT_SSL_VERIFYPEER, (long) cb->verify_peer); curl_easy_setopt (cb->curl, CURLOPT_SSL_VERIFYHOST, - cb->verify_host ? 2 : 0); + cb->verify_host ? 2L : 0L); if (cb->cacert != NULL) curl_easy_setopt (cb->curl, CURLOPT_CAINFO, cb->cacert); @@ -157,19 +157,21 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */ return (0); } /* }}} int wh_callback_init */ -static int wh_flush_nolock (int timeout, wh_callback_t *cb) /* {{{ */ +static int wh_flush_nolock (cdtime_t timeout, wh_callback_t *cb) /* {{{ */ { int status; - DEBUG ("write_http plugin: wh_flush_nolock: timeout = %i; " + DEBUG ("write_http plugin: wh_flush_nolock: timeout = %.3f; " "send_buffer_fill = %zu;", - timeout, cb->send_buffer_fill); + CDTIME_T_TO_DOUBLE (timeout), + cb->send_buffer_fill); + /* timeout == 0 => flush unconditionally */ if (timeout > 0) { - time_t now; + cdtime_t now; - now = time (NULL); + now = cdtime (); if ((cb->send_buffer_init_time + timeout) > now) return (0); } @@ -178,7 +180,7 @@ static int wh_flush_nolock (int timeout, wh_callback_t *cb) /* {{{ */ { if (cb->send_buffer_fill <= 0) { - cb->send_buffer_init_time = time (NULL); + cb->send_buffer_init_time = cdtime (); return (0); } @@ -189,7 +191,7 @@ static int wh_flush_nolock (int timeout, wh_callback_t *cb) /* {{{ */ { if (cb->send_buffer_fill <= 2) { - cb->send_buffer_init_time = time (NULL); + cb->send_buffer_init_time = cdtime (); return (0); } @@ -218,7 +220,7 @@ static int wh_flush_nolock (int timeout, wh_callback_t *cb) /* {{{ */ return (status); } /* }}} wh_flush_nolock */ -static int wh_flush (int timeout, /* {{{ */ +static int wh_flush (cdtime_t timeout, /* {{{ */ const char *identifier __attribute__((unused)), user_data_t *user_data) { @@ -258,9 +260,16 @@ static void wh_callback_free (void *data) /* {{{ */ cb = data; - wh_flush_nolock (/* timeout = */ -1, cb); + wh_flush_nolock (/* timeout = */ 0, cb); curl_easy_cleanup (cb->curl); + + if (cb->headers != NULL) + { + curl_slist_free_all (cb->headers); + cb->headers = NULL; + } + sfree (cb->location); sfree (cb->user); sfree (cb->pass); @@ -270,76 +279,6 @@ static void wh_callback_free (void *data) /* {{{ */ sfree (cb); } /* }}} void wh_callback_free */ -static int wh_value_list_to_string (char *buffer, /* {{{ */ - size_t buffer_size, - const data_set_t *ds, const value_list_t *vl, - wh_callback_t *cb) -{ - size_t offset = 0; - int status; - int i; - gauge_t *rates = NULL; - - assert (0 == strcmp (ds->type, vl->type)); - - memset (buffer, 0, buffer_size); - -#define BUFFER_ADD(...) do { \ - status = ssnprintf (buffer + offset, buffer_size - offset, \ - __VA_ARGS__); \ - if (status < 1) \ - { \ - sfree (rates); \ - return (-1); \ - } \ - else if (((size_t) status) >= (buffer_size - offset)) \ - { \ - sfree (rates); \ - return (-1); \ - } \ - else \ - offset += ((size_t) status); \ -} while (0) - - BUFFER_ADD ("%lu", (unsigned long) vl->time); - - for (i = 0; i < ds->ds_num; i++) - { - if (ds->ds[i].type == DS_TYPE_GAUGE) - BUFFER_ADD (":%f", vl->values[i].gauge); - else if (cb->store_rates) - { - if (rates == NULL) - rates = uc_get_rate (ds, vl); - if (rates == NULL) - { - WARNING ("write_http plugin: " - "uc_get_rate failed."); - return (-1); - } - BUFFER_ADD (":%g", rates[i]); - } - else if (ds->ds[i].type == DS_TYPE_COUNTER) - BUFFER_ADD (":%llu", vl->values[i].counter); - else if (ds->ds[i].type == DS_TYPE_DERIVE) - BUFFER_ADD (":%"PRIi64, vl->values[i].derive); - else if (ds->ds[i].type == DS_TYPE_ABSOLUTE) - BUFFER_ADD (":%"PRIu64, vl->values[i].absolute); - else - { - ERROR ("write_http plugin: Unknown data source type: %i", - ds->ds[i].type); - sfree (rates); - return (-1); - } - } /* for ds->ds_num */ - -#undef BUFFER_ADD - - sfree (rates); - return (0); -} /* }}} int wh_value_list_to_string */ - static int wh_write_command (const data_set_t *ds, const value_list_t *vl, /* {{{ */ wh_callback_t *cb) { @@ -366,7 +305,7 @@ static int wh_write_command (const data_set_t *ds, const value_list_t *vl, /* {{ /* Convert the values to an ASCII representation and put that into * `values'. */ - status = wh_value_list_to_string (values, sizeof (values), ds, vl, cb); + status = format_values (values, sizeof (values), ds, vl, cb->store_rates); if (status != 0) { ERROR ("write_http plugin: error with " "wh_value_list_to_string"); @@ -374,8 +313,10 @@ static int wh_write_command (const data_set_t *ds, const value_list_t *vl, /* {{ } command_len = (size_t) ssnprintf (command, sizeof (command), - "PUTVAL %s interval=%i %s\r\n", - key, vl->interval, values); + "PUTVAL %s interval=%.3f %s\r\n", + key, + CDTIME_T_TO_DOUBLE (vl->interval), + values); if (command_len >= sizeof (command)) { ERROR ("write_http plugin: Command buffer too small: " "Need %zu bytes.", command_len + 1); @@ -397,7 +338,7 @@ static int wh_write_command (const data_set_t *ds, const value_list_t *vl, /* {{ if (command_len >= cb->send_buffer_free) { - status = wh_flush_nolock (/* timeout = */ -1, cb); + status = wh_flush_nolock (/* timeout = */ 0, cb); if (status != 0) { pthread_mutex_unlock (&cb->send_lock); @@ -449,7 +390,7 @@ static int wh_write_json (const data_set_t *ds, const value_list_t *vl, /* {{{ * ds, vl, cb->store_rates); if (status == (-ENOMEM)) { - status = wh_flush_nolock (/* timeout = */ -1, cb); + status = wh_flush_nolock (/* timeout = */ 0, cb); if (status != 0) { wh_reset_buffer (cb); @@ -571,6 +512,7 @@ static int wh_config_url (oconfig_item_t *ci) /* {{{ */ { wh_callback_t *cb; user_data_t user_data; + char callback_name[DATA_MAX_NAME_LEN]; int i; cb = malloc (sizeof (*cb)); @@ -589,6 +531,7 @@ static int wh_config_url (oconfig_item_t *ci) /* {{{ */ cb->cacert = NULL; cb->format = WH_FORMAT_COMMAND; cb->curl = NULL; + cb->headers = NULL; pthread_mutex_init (&cb->send_lock, /* attr = */ NULL); @@ -621,16 +564,18 @@ static int wh_config_url (oconfig_item_t *ci) /* {{{ */ } } - DEBUG ("write_http: Registering write callback with URL %s", + ssnprintf (callback_name, sizeof (callback_name), "write_http/%s", cb->location); + 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 */ @@ -655,9 +600,18 @@ 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 : */