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-rw-r--r--src/tss.c50
1 files changed, 43 insertions, 7 deletions
diff --git a/src/tss.c b/src/tss.c
index 534ab7b..72c0cf2 100644
--- a/src/tss.c
+++ b/src/tss.c
@@ -163,12 +163,21 @@ size_t tss_write_callback(char* data, size_t size, size_t nmemb, tss_response* r
plist_t tss_send_request(plist_t tss_request) {
curl_global_init(CURL_GLOBAL_ALL);
+ int status_code = -1;
char* request = NULL;
+ int retry = 0;
+ int max_retries = 15;
unsigned int size = 0;
plist_to_xml(tss_request, &request, &size);
+
tss_response* response = NULL;
- CURL* handle = curl_easy_init();
- if (handle != NULL) {
+
+ while (retry++ < max_retries) {
+ response = NULL;
+ CURL* handle = curl_easy_init();
+ if (handle == NULL) {
+ break;
+ }
struct curl_slist* header = NULL;
header = curl_slist_append(header, "Cache-Control: no-cache");
header = curl_slist_append(header, "Content-type: text/xml; charset=\"utf-8\"");
@@ -182,6 +191,7 @@ plist_t tss_send_request(plist_t tss_request) {
response->length = 0;
response->content = malloc(1);
+ response->content[0] = '\0';
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, (curl_write_callback)&tss_write_callback);
curl_easy_setopt(handle, CURLOPT_WRITEDATA, response);
@@ -198,17 +208,39 @@ plist_t tss_send_request(plist_t tss_request) {
curl_easy_perform(handle);
curl_slist_free_all(header);
curl_easy_cleanup(handle);
- free(request);
- }
- curl_global_cleanup();
+
+ if (strstr(response->content, "MESSAGE=SUCCESS")) {
+ status_code = 0;
+ break;
+ }
- if (strstr(response->content, "MESSAGE=SUCCESS") == NULL) {
- error("ERROR: TSS request failed\n");
if (response->length > 0) {
error("TSS server returned: %s\n", response->content);
}
+
+ char* status = strstr(response->content, "STATUS=");
+ if (status) {
+ sscanf(status+7, "%d&%*s", &status_code);
+ }
+ if (status_code == -1) {
+ // no status code in response. retry
+ free(response->content);
+ free(response);
+ sleep(2);
+ continue;
+ } else if (status_code == 94) {
+ // This device isn't eligible for the requested build.
+ break;
+ } else {
+ error("ERROR: tss_send_request: Unhandled status code %d\n", status_code);
+ }
+ }
+
+ if (status_code != 0) {
+ error("ERROR: TSS request failed (status=%d)\n", status_code);
free(response->content);
free(response);
+ free(request);
return NULL;
}
@@ -217,6 +249,7 @@ plist_t tss_send_request(plist_t tss_request) {
error("ERROR: Incorrectly formatted TSS response\n");
free(response->content);
free(response);
+ free(request);
return NULL;
}
@@ -231,6 +264,9 @@ plist_t tss_send_request(plist_t tss_request) {
debug_plist(tss_response);
}
+ free(request);
+ curl_global_cleanup();
+
return tss_response;
}