Function HttpBackend_Do

src/Http_Worker.c:685–722

static const char* verbs[] = { "GET", "HEAD", "POST" };

static cc_result HttpBackend_Do(struct HttpRequest* req) {
	struct HttpClientState state;
	cc_result res;
	HttpClientState_Init(&state, req);

	for (;;) {
		Platform_Log4("Fetching %c%s%s (%c)", state.url.https ? "https://" : "http://", 
					&state.url.address, &state.url.resource, verbs[req->requestType]);

		res = HttpBackend_PerformRequest(&state);
		/* TODO: Can we handle this while preserving the TCP connection */
		if (res == SSL_ERR_CONTEXT_DEAD && !state.retried) {
			Platform_LogConst("Resetting connection due to SSL context being dropped..");
			res = HttpBackend_PerformRequest(&state);
			state.retried = true;
		}
		if (res == HTTP_ERR_NO_RESPONSE && !state.retried) {
			Platform_LogConst("Resetting connection due to empty response..");
			res = HttpBackend_PerformRequest(&state);
			state.retried = true;
		}
		if (res == ReturnCode_SocketDropped && !state.retried) {
			Platform_LogConst("Resetting connection due to being dropped..");
			res = HttpBackend_PerformRequest(&state);
			state.retried = true;
		}

		if (res || !HttpClient_IsRedirect(req)) break;
		if (state.redirects >= 20) return HTTP_ERR_REDIRECTS;

		/* TODO FOLLOW LOCATION PROPERLY */
		state.redirects++;
		res = HttpClient_HandleRedirect(&state);
		if (res) break;
		HttpClientState_Reset(&state);
	}
	return res;
}

static cc_bool HttpBackend_DescribeError(cc_result res, cc_string* dst) {
	return SSLBackend_DescribeError(res, dst);