79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
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/*
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* Copyright (c) 2014 Cesanta Software Limited
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* All rights reserved
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*/
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#ifndef NS_HTTP_HEADER_DEFINED
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#define NS_HTTP_HEADER_DEFINED
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define NS_MAX_HTTP_HEADERS 40
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#define NS_MAX_HTTP_REQUEST_SIZE 8192
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#define NS_MAX_PATH 1024
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struct http_message {
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struct ns_str message; /* Whole message: request line + headers + body */
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/* HTTP Request line (or HTTP response line) */
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struct ns_str method; /* "GET" */
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struct ns_str uri; /* "/my_file.html" */
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struct ns_str proto; /* "HTTP/1.1" */
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/* Headers */
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struct ns_str header_names[NS_MAX_HTTP_HEADERS];
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struct ns_str header_values[NS_MAX_HTTP_HEADERS];
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/* Message body */
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struct ns_str body; /* Zero-length for requests with no body */
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};
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struct websocket_message {
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unsigned char *data;
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size_t size;
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unsigned char flags;
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};
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/* HTTP and websocket events. void *ev_data is described in a comment. */
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#define NS_HTTP_REQUEST 100 /* struct http_message * */
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#define NS_HTTP_REPLY 101 /* struct http_message * */
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#define NS_WEBSOCKET_HANDSHAKE_REQUEST 111 /* NULL */
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#define NS_WEBSOCKET_HANDSHAKE_DONE 112 /* NULL */
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#define NS_WEBSOCKET_FRAME 113 /* struct websocket_message * */
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void ns_set_protocol_http_websocket(struct ns_connection *);
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void ns_send_websocket_handshake(struct ns_connection *, const char *,
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const char *);
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void ns_send_websocket_frame(struct ns_connection *, int, const void *, size_t);
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void ns_send_websocket_framev(struct ns_connection *, int, const struct ns_str *, int);
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void ns_printf_websocket_frame(struct ns_connection *, int, const char *, ...);
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/* Websocket opcodes, from http://tools.ietf.org/html/rfc6455 */
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#define WEBSOCKET_OP_CONTINUE 0
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#define WEBSOCKET_OP_TEXT 1
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#define WEBSOCKET_OP_BINARY 2
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#define WEBSOCKET_OP_CLOSE 8
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#define WEBSOCKET_OP_PING 9
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#define WEBSOCKET_OP_PONG 10
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/* Utility functions */
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struct ns_str *ns_get_http_header(struct http_message *, const char *);
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int ns_parse_http(const char *s, int n, struct http_message *req);
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int ns_get_http_var(const struct ns_str *, const char *, char *dst, size_t);
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struct ns_serve_http_opts {
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const char *document_root;
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};
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void ns_serve_http(struct ns_connection *, struct http_message *,
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struct ns_serve_http_opts);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* NS_HTTP_HEADER_DEFINED */
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