diff options
Diffstat (limited to 'lib/istore.c')
-rw-r--r-- | lib/istore.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/lib/istore.c b/lib/istore.c new file mode 100644 index 0000000..dea3a53 --- /dev/null +++ b/lib/istore.c @@ -0,0 +1,73 @@ +/* This file is part of Eclat. + Copyright (C) 2012-2015 Sergey Poznyakoff. + + Eclat is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + Eclat is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Eclat. If not, see <http://www.gnu.org/licenses/>. */ + +#include "libeclat.h" +#include <sysexits.h> + +static size_t +acc_cb(void *ptr, size_t size, size_t nmemb, void *data) +{ + size_t realsize = size * nmemb; + struct grecs_txtacc *acc = data; + grecs_txtacc_grow(acc, ptr, realsize); + return realsize; +} + +CURL * +instance_store_curl_new(struct grecs_txtacc *acc) +{ + CURLcode res; + CURL *curl; + + curl = curl_easy_init(); + if (!curl) + die(EX_UNAVAILABLE, "curl_easy_init failed"); + curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L); + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, acc_cb); + curl_easy_setopt(curl, CURLOPT_WRITEDATA, acc); + return curl; +} + +int +instance_store_read(const char *url, CURL *curl) +{ + CURLcode res; + long http_resp; + char *text; + + curl_easy_setopt(curl, CURLOPT_URL, url); + + res = curl_easy_perform(curl); + if (res != CURLE_OK) + die(EX_UNAVAILABLE, "CURL: %s", curl_easy_strerror(res)); + + res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &http_resp); + if (res != CURLE_OK) + die(EX_UNAVAILABLE, "CURL: %s", curl_easy_strerror(res)); + + switch (http_resp) { + case 200: + break; + + case 404: + return -1; + + default: + die(EX_UNAVAILABLE, "CURL: got response %3d, url %s", + http_resp, url); + } + return 0; +} |