websocket: initial (not integrated)

Change-Id: I55943a81101a189d621f37f0a0b2fe21c9fbc215
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/websock.h b/src/websock.h
new file mode 100644
index 00000000..b67f36e1
--- /dev/null
+++ b/src/websock.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2016 iot.bzh
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * This work is a far adaptation of apache-websocket:
+ *   origin:  https://github.com/disconnect/apache-websocket
+ *   commit:  cfaef071223f11ba016bff7e1e4b7c9e5df45b50
+ *   Copyright 2010-2012 self.disconnect (APACHE-2)
+ */
+
+struct iovec;
+
+#define STATUS_CODE_UNSET                0
+#define STATUS_CODE_OK                1000
+#define STATUS_CODE_GOING_AWAY        1001
+#define STATUS_CODE_PROTOCOL_ERROR    1002
+#define STATUS_CODE_RESERVED          1004	/* Protocol 8: frame too large */
+#define STATUS_CODE_INVALID_UTF8      1007
+#define STATUS_CODE_POLICY_VIOLATION  1008
+#define STATUS_CODE_MESSAGE_TOO_LARGE 1009
+#define STATUS_CODE_INTERNAL_ERROR    1011
+
+struct websock_itf {
+	ssize_t (*writev) (void *, const struct iovec *, int);
+	ssize_t (*readv) (void *, const struct iovec *, int);
+	void (*disconnect) (void *);
+
+	void (*on_ping) (void *);
+	void (*on_pong) (void *);
+	void (*on_close) (void *, uint16_t code, size_t size);
+	void (*on_text) (void *, int last, size_t size);
+	void (*on_binary) (void *, int last, size_t size);
+	void (*on_continue) (void *, int last, size_t size);
+};
+
+struct websock;
+
+void websock_close(struct websock *ws);
+void websock_close_code(struct websock *ws, uint16_t code);
+
+void websock_ping(struct websock *ws);
+void websock_pong(struct websock *ws);
+void websock_text(struct websock *ws, const char *text, size_t length);
+void websock_binary(struct websock *ws, const void *data, size_t length);
+
+ssize_t websock_read(struct websock *ws, void *buffer, size_t size);
+void websock_drop(struct websock *ws);
+
+int websock_dispatch(struct websock *ws);
+
+struct websock *websock_create(const struct websock_itf *itf, void *closure);
+void websock_destroy(struct websock *ws);