example: only write output data on http 200/204

[project/uclient.git] / uclient.h

diff --git a/uclient.h b/uclient.h
index e3d168a..ddc8b78 100644 (file)
--- a/uclient.h
+++ b/uclient.h
@@ -1,6 +1,25 @@
+/*
+ * uclient - ustream based protocol client library
+ *
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
 #ifndef __LIBUBOX_UCLIENT_H
 #define __LIBUBOX_UCLIENT_H
 
+#include <netinet/in.h>
+
 #include <libubox/blob.h>
 #include <libubox/ustream.h>
 #include <libubox/ustream-ssl.h>
@@ -8,15 +27,42 @@
 struct uclient_cb;
 struct uclient_backend;
 
+enum uclient_error_code {
+       UCLIENT_ERROR_UNKNOWN,
+       UCLIENT_ERROR_CONNECT,
+       UCLIENT_ERROR_SSL_INVALID_CERT,
+       UCLIENT_ERROR_SSL_CN_MISMATCH,
+       UCLIENT_ERROR_MISSING_SSL_CONTEXT,
+};
+
+union uclient_addr {
+       struct sockaddr sa;
+       struct sockaddr_in sin;
+       struct sockaddr_in6 sin6;
+};
+
+struct uclient_url {
+       const struct uclient_backend *backend;
+       int prefix;
+
+       const char *host;
+       const char *port;
+       const char *location;
+
+       const char *auth;
+};
+
 struct uclient {
        const struct uclient_backend *backend;
        const struct uclient_cb *cb;
 
+       union uclient_addr local_addr, remote_addr;
+
        struct uclient_url *url;
        void *priv;
 
        bool eof;
-       bool error;
+       int error_code;
        int status_code;
        struct blob_attr *meta;
 
@@ -28,30 +74,31 @@ struct uclient_cb {
        void (*data_sent)(struct uclient *cl);
        void (*data_eof)(struct uclient *cl);
        void (*header_done)(struct uclient *cl);
-       void (*error)(struct uclient *cl);
+       void (*error)(struct uclient *cl, int code);
 };
 
-struct uclient *uclient_new(const char *url, const struct uclient_cb *cb);
+struct uclient *uclient_new(const char *url, const char *auth_str, const struct uclient_cb *cb);
 void uclient_free(struct uclient *cl);
 
-int uclient_connect_url(struct uclient *cl, const char *url_str);
-
-static inline int uclient_connect(struct uclient *cl)
-{
-       return uclient_connect_url(cl, NULL);
-}
-
+int uclient_set_url(struct uclient *cl, const char *url, const char *auth);
+int uclient_connect(struct uclient *cl);
+void uclient_disconnect(struct uclient *cl);
 
 int uclient_read(struct uclient *cl, char *buf, int len);
 int uclient_write(struct uclient *cl, char *buf, int len);
 int uclient_request(struct uclient *cl);
 
+char *uclient_get_addr(char *dest, int *port, union uclient_addr *a);
+
 /* HTTP */
 extern const struct uclient_backend uclient_backend_http;
 
+int uclient_http_reset_headers(struct uclient *cl);
 int uclient_http_set_header(struct uclient *cl, const char *name, const char *value);
-int uclient_http_reset_headers(struct uclient *cl, const char *name, const char *value);
 int uclient_http_set_request_type(struct uclient *cl, const char *type);
 bool uclient_http_redirect(struct uclient *cl);
 
+int uclient_http_set_ssl_ctx(struct uclient *cl, const struct ustream_ssl_ops *ops,
+                            struct ustream_ssl_ctx *ctx, bool require_validation);
+
 #endif