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Improve CURL HTTP request error diagnostics.

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This commit is contained in:
Jeff Garzik 2010-12-28 17:13:59 -05:00 committed by Jeff Garzik
parent 9e5a173c38
commit 2f9a6deef9
1 changed files with 8 additions and 2 deletions
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10
util.c
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@ -90,10 +90,13 @@ json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req
json_error_t err = { };
struct curl_slist *headers = NULL;
char len_hdr[64];
char curl_err_str[CURL_ERROR_SIZE];
curl = curl_easy_init();
if (!curl)
if (!curl) {
fprintf(stderr, "CURL initialization failed, aborting JSON-RPC call\n");
return NULL;
}
if (opt_protocol)
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
@ -105,6 +108,7 @@ json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, upload_data_cb);
curl_easy_setopt(curl, CURLOPT_READDATA, &upload_data);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str);
if (userpass) {
curl_easy_setopt(curl, CURLOPT_USERPWD, userpass);
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
@ -127,8 +131,10 @@ json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
rc = curl_easy_perform(curl);
if (rc)
if (rc) {
fprintf(stderr, "HTTP request failed: %s\n", curl_err_str);
goto err_out;
}
val = json_loads(all_data.buf, &err);
if (!val) {