114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
#include <util/curl/curl-helper.h>
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#include <stdlib.h>
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#include <string.h>
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#include <util/dstr.h>
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#include "util/base.h"
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#include "younow.h"
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struct younow_mem_struct {
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char *memory;
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size_t size;
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};
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static char *current_ingest = NULL;
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static size_t younow_write_cb(void *contents, size_t size, size_t nmemb,
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void *userp)
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{
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size_t realsize = size * nmemb;
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struct younow_mem_struct *mem = (struct younow_mem_struct *)userp;
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mem->memory = realloc(mem->memory, mem->size + realsize + 1);
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if (mem->memory == NULL) {
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blog(LOG_WARNING, "yyounow_write_cb: realloc returned NULL");
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return 0;
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}
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memcpy(&(mem->memory[mem->size]), contents, realsize);
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mem->size += realsize;
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mem->memory[mem->size] = 0;
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return realsize;
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}
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const char *younow_get_ingest(const char *server, const char *key)
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{
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CURL *curl_handle;
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CURLcode res;
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struct younow_mem_struct chunk;
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struct dstr uri;
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long response_code;
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// find the delimiter in stream key
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const char *delim = strchr(key, '_');
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if (delim == NULL) {
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blog(LOG_WARNING,
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"younow_get_ingest: delimiter not found in stream key");
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return server;
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}
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curl_handle = curl_easy_init();
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chunk.memory = malloc(1); /* will be grown as needed by realloc */
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chunk.size = 0; /* no data at this point */
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dstr_init(&uri);
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dstr_copy(&uri, server);
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dstr_ncat(&uri, key, delim - key);
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curl_easy_setopt(curl_handle, CURLOPT_URL, uri.array);
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curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, true);
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curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYHOST, 2L);
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curl_easy_setopt(curl_handle, CURLOPT_TIMEOUT, 3L);
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curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, younow_write_cb);
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curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);
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curl_obs_set_revoke_setting(curl_handle);
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#if LIBCURL_VERSION_NUM >= 0x072400
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// A lot of servers don't yet support ALPN
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curl_easy_setopt(curl_handle, CURLOPT_SSL_ENABLE_ALPN, 0);
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#endif
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res = curl_easy_perform(curl_handle);
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dstr_free(&uri);
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if (res != CURLE_OK) {
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blog(LOG_WARNING,
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"younow_get_ingest: curl_easy_perform() failed: %s",
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curl_easy_strerror(res));
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curl_easy_cleanup(curl_handle);
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free(chunk.memory);
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return server;
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}
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curl_easy_getinfo(curl_handle, CURLINFO_RESPONSE_CODE, &response_code);
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if (response_code != 200) {
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blog(LOG_WARNING,
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"younow_get_ingest: curl_easy_perform() returned code: %ld",
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response_code);
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curl_easy_cleanup(curl_handle);
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free(chunk.memory);
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return server;
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}
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curl_easy_cleanup(curl_handle);
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if (chunk.size == 0) {
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blog(LOG_WARNING,
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"younow_get_ingest: curl_easy_perform() returned empty response");
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free(chunk.memory);
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return server;
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}
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if (current_ingest) {
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free(current_ingest);
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current_ingest = NULL;
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}
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current_ingest = strdup(chunk.memory);
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free(chunk.memory);
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blog(LOG_INFO, "younow_get_ingest: returning ingest: %s",
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current_ingest);
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return current_ingest;
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}
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