void h2o__proxy_process_request(h2o_req_t *req)
{
h2o_req_overrides_t *overrides = req->overrides;
h2o_http1client_ctx_t *client_ctx = get_client_ctx(req);
struct rp_generator_t *self;
if (overrides != NULL) {
if (overrides->socketpool != NULL) {
self = proxy_send_prepare(req, 1);
h2o_http1client_connect_with_pool(&self->client, self, client_ctx, overrides->socketpool, on_connect);
return;
} else if (overrides->hostport.host.base != NULL) {
self = proxy_send_prepare(req, 0);
h2o_http1client_connect(&self->client, self, client_ctx, req->overrides->hostport.host, req->overrides->hostport.port,
0, on_connect);
return;
}
}
{ /* default logic */
h2o_iovec_t host;
uint16_t port;
if (h2o_url_parse_hostport(req->authority.base, req->authority.len, &host, &port) == NULL) {
h2o_req_log_error(req, "lib/core/proxy.c", "invalid URL supplied for internal redirection:%s://%.*s%.*s",
req->scheme->name.base, (int)req->authority.len, req->authority.base, (int)req->path.len,
req->path.base);
h2o_send_error(req, 502, "Gateway Error", "internal error", 0);
return;
}
if (port == 65535)
port = req->scheme->default_port;
self = proxy_send_prepare(req, 0);
h2o_http1client_connect(&self->client, self, client_ctx, host, port, req->scheme == &H2O_URL_SCHEME_HTTPS, on_connect);
return;
}
}
int h2o_proxy_send_with_pool(h2o_req_t *req, h2o_http1client_ctx_t *client_ctx, h2o_proxy_location_t *upstream, h2o_socketpool_t *sockpool)
{
struct rp_generator_t *self = proxy_send_prepare(req, upstream, 1);
self->client = h2o_http1client_connect_with_pool(client_ctx, &req->pool, sockpool, on_connect);
self->client->data = self;
return 0;
}
static void start_request(h2o_http1client_ctx_t *ctx)
{
char *scheme, *host, *path;
uint16_t port;
h2o_iovec_t *req;
h2o_http1client_t *client;
/* clear memory pool */
h2o_mempool_clear(&pool);
/* parse URL */
if (h2o_parse_url(&pool, url, &scheme, &host, &port, &path) != 0) {
fprintf(stderr, "unrecognized type of URL: %s\n", url);
exit(1);
}
if (strcmp(scheme, "https") == 0) {
fprintf(stderr, "https is not (yet) supported\n");
exit(1);
}
/* build request */
req = h2o_mempool_alloc(&pool, sizeof(*req));
req->base = h2o_mempool_alloc(&pool, 1024);
req->len = snprintf(req->base, 1024, "GET %s HTTP/1.1\r\nhost: %s:%u\r\n\r\n", path, host, (unsigned)port);
assert(req->len < 1024);
/* initiate the request */
if (1) {
if (sockpool == NULL) {
sockpool = h2o_malloc(sizeof(*sockpool));
h2o_socketpool_init(sockpool, host, port, 10);
h2o_socketpool_set_timeout(sockpool, ctx->loop, 5000 /* in msec */);
}
client = h2o_http1client_connect_with_pool(ctx, &pool, sockpool, on_connect);
} else {
client = h2o_http1client_connect(ctx, &pool, host, port, on_connect);
}
assert(client != NULL);
client->data = req;
}
