diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/plugins/influxdb-writer.c | 275 |
1 files changed, 138 insertions, 137 deletions
diff --git a/src/plugins/influxdb-writer.c b/src/plugins/influxdb-writer.c index dd0da97..e02612d 100644 --- a/src/plugins/influxdb-writer.c +++ b/src/plugins/influxdb-writer.c @@ -16,163 +16,164 @@ */ #define _GNU_SOURCE -#include <stdio.h> #include <string.h> +#include <stdio.h> #include "influxdb.h" -void influxdb_write_curl_cb(void* closure, int status, CURL* curl, const char* result, size_t size) +void influxdb_write_curl_cb(void *closure, int status, CURL *curl, const char *result, size_t size) { - AFB_ReqT request = (AFB_ReqT)closure; - long rep_code = curl_wrap_response_code_get(curl); - switch (rep_code) { - case 204: - AFB_ReqDebug(request, "Request correctly written"); - AFB_ReqSuccess(request, NULL, "Request has been successfully written"); - break; - case 400: - AFB_ReqFail(request, "Bad request", result); - break; - case 401: - AFB_ReqFail(request, "Unauthorized access", result); - break; - case 404: - AFB_ReqFail(request, "Not found", result); - AFB_ReqNotice(request, "Attempt to create the DB '" DEFAULT_DB "'"); - create_database(request); - break; - case 500: - AFB_ReqFailF(request, "Timeout", "Overloaded server: %s", result); - break; - default: - AFB_ReqFail(request, "Failure", "Unexpected behavior."); - break; - } + AFB_ReqT request = (AFB_ReqT)closure; + long rep_code = curl_wrap_response_code_get(curl); + switch(rep_code) { + case 204: + AFB_ReqDebug(request, "Request correctly written"); + AFB_ReqSuccess(request, NULL, "Request has been successfully writen"); + break; + case 400: + AFB_ReqFail(request, "Bad request", result); + break; + case 401: + AFB_ReqFail(request, "Unauthorized access", result); + break; + case 404: + AFB_ReqFail(request, "Not found", result); + AFB_ReqNotice(request, "Attempt to create the DB '"DEFAULT_DB"'"); + create_database(request); + break; + case 500: + AFB_ReqFailF(request, "Timeout", "Overloaded server: %s", result); + break; + default: + AFB_ReqFail(request, "Failure", "Unexpected behavior."); + break; + } } -static size_t format_write_args(char* query, struct series_t* serie) +static size_t format_write_args(char *query, struct series_t *serie) { - char* ts; - struct list* tags = serie->serie_columns.tags; - struct list* fields = serie->serie_columns.fields; - - concatenate(query, serie->name, NULL); - if (tags) { - while (tags != NULL) { - concatenate(query, tags->key, ","); - if (json_object_is_type(tags->value, json_type_string)) - concatenate(query, json_object_get_string(tags->value), "="); - else - concatenate(query, json_object_to_json_string(tags->value), "="); - tags = tags->next; - } - } - - if (fields) { - int i = 0; - for (struct list* it = fields; it != NULL; it = it->next) { - if (!i) - concatenate(query, it->key, " "); - else - concatenate(query, it->key, ","); - if (json_object_is_type(it->value, json_type_string)) - concatenate_str(query, json_object_get_string(it->value), "="); - else - concatenate_str(query, json_object_to_json_string(it->value), "="); - i++; - } - } - - asprintf(&ts, "%lu", serie->timestamp); - concatenate(query, ts, " "); - - return strlen(query); + char *ts; + struct list *tags = serie->serie_columns.tags; + struct list *fields = serie->serie_columns.fields; + + strncat(query, serie->name, strlen(serie->name)); + if(tags) { + while(tags != NULL) { + concatenate(query, tags->key, ","); + if(json_object_is_type(tags->value, json_type_string)) + concatenate(query, json_object_get_string(tags->value), "="); + else + concatenate(query, json_object_to_json_string(tags->value), "="); + tags = tags->next; + } + } + if(fields) { + int i = 0; + for(struct list *it = fields; it != NULL; it = it->next) { + if(!i) + concatenate(query, fields->key, " "); + else + concatenate(query, fields->key, ","); + if(json_object_is_type(fields->value, json_type_string)) + concatenate(query, json_object_get_string(fields->value), "="); + else + concatenate(query, json_object_to_json_string(fields->value), "="); + i++; + } + } + + asprintf(&ts, "%lu", serie->timestamp); + concatenate(query, ts, " "); + + return strlen(query); } -CURL* make_curl_write_post(AFB_ApiT apiHandle, const char* url, json_object* metricsJ) +CURL *make_curl_write_post(AFB_ApiT apiHandle, const char *url, json_object *metricsJ) { - CURL* curl = NULL; - size_t lpd = 0, len_write = 0, i = 0; - char** post_data; - char write[URL_MAXIMUM_LENGTH] = ""; - struct series_t* serie = NULL; - json_object* metricsArrayJ = NULL; - - if (json_object_is_type(metricsJ, json_type_array)) { - lpd = json_object_array_length(metricsJ); - metricsArrayJ = metricsJ; - } else { - metricsArrayJ = json_object_new_array(); - json_object_array_add(metricsArrayJ, metricsJ); - lpd = 1; - } - - serie = malloc(sizeof(struct series_t)); - post_data = calloc(lpd + 1, sizeof(void*)); - - for (i = 0; i < lpd; i++) { - memset(serie, 0, sizeof(struct series_t)); - - if (unpack_metric_from_api(json_object_array_get_idx(metricsArrayJ, i), serie)) { - AFB_ApiError(apiHandle, "ERROR unpacking metric. %s", json_object_to_json_string(metricsArrayJ)); - break; - } else { - if (!serie->name) { - post_data[i] = NULL; - } else { - // TODO: pass strlen(write) == URL_MAXIMUM_LENGTH to format_write_args and add write size overflow - len_write = format_write_args(write, serie); - if (len_write) { - post_data[i] = malloc(len_write + 1); - strcpy(post_data[i], write); - memset(write, 0, len_write); - } - } - } - } - - AFB_ApiDebug(apiHandle, "influx curl: url=%s data=%s", url, (const char*)*post_data); - - /* Check that we just do not broke the for loop before trying preparing CURL + CURL *curl = NULL; + size_t lpd = 0, len_write = 0, i = 0; + char **post_data; + char write[URL_MAXIMUM_LENGTH] = ""; + struct series_t *serie = NULL; + json_object *metricsArrayJ = NULL; + + if(json_object_is_type(metricsJ, json_type_array)) { + lpd = json_object_array_length(metricsJ); + metricsArrayJ = metricsJ; + } + else { + metricsArrayJ = json_object_new_array(); + json_object_array_add(metricsArrayJ, metricsJ); + lpd = 1; + } + + serie = malloc(sizeof(struct series_t)); + post_data = calloc(lpd + 1, sizeof(void*)); + + for(i = 0; i < lpd; i++) { + memset(serie, 0, sizeof(struct series_t)); + + if(unpack_metric_from_api(json_object_array_get_idx(metricsArrayJ, i), serie)) { + AFB_ApiError(apiHandle, "ERROR unpacking metric. %s", json_object_to_json_string(metricsArrayJ)); + break; + } + else { + if(! serie->name) { + post_data[i] = NULL; + } + else { + len_write = format_write_args(write, serie); + if(len_write) { + post_data[i] = malloc(len_write + 1); + strcpy(post_data[i], write); + memset(write, 0, len_write); + } + } + } + } + + /* Check that we just do not broke the for loop before trying preparing CURL request object */ - curl = i == lpd ? curl_wrap_prepare_post_unescaped(url, NULL, "\n", (const char* const*)post_data) : NULL; - free(serie); - for (i = 0; i < lpd; i++) - free(post_data[i]); - free(post_data); - - return curl; + curl = i == lpd ? + curl_wrap_prepare_post_unescaped(url, NULL, "\n", (const char * const*)post_data) : NULL; + free(serie); + for(i = 0; i < lpd; i++) + free(post_data[i]); + free(post_data); + + return curl; } -CURL* influxdb_write(AFB_ApiT apiHandle, const char* host, const char* port, json_object* metricJ) +CURL *influxdb_write(AFB_ApiT apiHandle, const char* host, const char *port, json_object *metricJ) { - char url[URL_MAXIMUM_LENGTH]; /* Safe limit for most popular web browser */ - make_url(url, sizeof(url), host, port, "write"); - return make_curl_write_post(apiHandle, url, metricJ); + char url[URL_MAXIMUM_LENGTH]; /* Safe limit for most popular web browser */ + make_url(url, sizeof(url), host, port, "write"); + return make_curl_write_post(apiHandle, url, metricJ); } CTLP_CAPI(write_to_influxdb, source, argsJ, eventJ) { - AFB_ReqT request = source->request; - const char* port = NULL; - const char* host = NULL; - CURL* curl_request; - - json_object *req_args = AFB_ReqJson(request), - *portJ = NULL, - *metric = NULL; - - if (wrap_json_unpack(req_args, "{s?s,s?o,so!}", - "host", &host, - "port", &portJ, - "metric", &metric) || !metric) - AFB_ReqFail(request, "Failed", "Error processing arguments. Miss metric\ + AFB_ReqT request = source->request; + const char *port = NULL; + const char *host = NULL; + CURL *curl_request; + + json_object *req_args = AFB_ReqJson(request), + *portJ = NULL, + *metric = NULL; + + if(wrap_json_unpack(req_args, "{s?s,s?o,so!}", + "host", &host, + "port", &portJ, + "metric", &metric) || ! metric) + AFB_ReqFail(request, "Failed", "Error processing arguments. Miss metric\ JSON object or malformed"); - else - port = json_object_is_type(portJ, json_type_null) ? NULL : json_object_to_json_string(portJ); + else + port = json_object_is_type(portJ, json_type_null) ? + NULL : json_object_to_json_string(portJ); - curl_request = influxdb_write(source->api, host, port, metric); - curl_wrap_do(curl_request, influxdb_write_curl_cb, request); + curl_request = influxdb_write(source->api, host, port, metric); + curl_wrap_do(curl_request, influxdb_write_curl_cb, request); - return 0; + return 0; } |