Sergei G / NetworkServices

NetworkServices with NUCLEO-L476RG and W5500 by SeeedStudio stack.

Dependents:   coap-example Borsch coap-example

Fork of NetworkServices by AMETEK Powervar

HTTPD/HTTPD.h@17:c976088bf39d, 2017-07-05 (annotated)

Committer:
sgnezdov
Date:
Wed Jul 05 18:34:39 2017 +0000
Revision:
17:c976088bf39d
Parent:
15:14382459c8b7 
Changed setup interface to take MAC address, because W5500 may use software defined MAC when obtaining IP.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dgriffin65 15:14382459c8b7 1 /* Copyright (C) 2013 Hiroshi Suga, MIT License
dgriffin65 15:14382459c8b7 2 *
dgriffin65 15:14382459c8b7 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
dgriffin65 15:14382459c8b7 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
dgriffin65 15:14382459c8b7 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
dgriffin65 15:14382459c8b7 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
dgriffin65 15:14382459c8b7 7 * furnished to do so, subject to the following conditions:
dgriffin65 15:14382459c8b7 8 *
dgriffin65 15:14382459c8b7 9 * The above copyright notice and this permission notice shall be included in all copies or
dgriffin65 15:14382459c8b7 10 * substantial portions of the Software.
dgriffin65 15:14382459c8b7 11 *
dgriffin65 15:14382459c8b7 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
dgriffin65 15:14382459c8b7 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
dgriffin65 15:14382459c8b7 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
dgriffin65 15:14382459c8b7 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dgriffin65 15:14382459c8b7 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
dgriffin65 15:14382459c8b7 17 */
dgriffin65 15:14382459c8b7 18
dgriffin65 15:14382459c8b7 19 #ifndef HTTPD_H
dgriffin65 15:14382459c8b7 20 #define HTTPD_H
dgriffin65 15:14382459c8b7 21
dgriffin65 15:14382459c8b7 22 #include "mbed.h"
dgriffin65 15:14382459c8b7 23 #include "rtos.h"
dgriffin65 15:14382459c8b7 24 #include "NetworkStack.h"
dgriffin65 15:14382459c8b7 25 #include "EthInterface.h"
dgriffin65 15:14382459c8b7 26 #include "CBuffer.h"
dgriffin65 15:14382459c8b7 27
dgriffin65 15:14382459c8b7 28 #define DEBUG
dgriffin65 15:14382459c8b7 29
dgriffin65 15:14382459c8b7 30 #define HTTPD_PORT 80
dgriffin65 15:14382459c8b7 31 #define HTTPD_MAX_CLIENTS 5
dgriffin65 15:14382459c8b7 32 #define HTTPD_KEEPALIVE 10
dgriffin65 15:14382459c8b7 33 #define HTTPD_TIMEOUT 15000
dgriffin65 15:14382459c8b7 34 #define HTTPD_MAX_HANDLES 10
dgriffin65 15:14382459c8b7 35
dgriffin65 15:14382459c8b7 36 #define HTTPD_CMD_SIZE 100
dgriffin65 15:14382459c8b7 37 #define HTTPD_BUF_SIZE 256
dgriffin65 15:14382459c8b7 38 #define HTTPD_STACK_SIZE (1024 * 6)
dgriffin65 15:14382459c8b7 39 //#define HTTPD_ENABLE_CLOSER
dgriffin65 15:14382459c8b7 40
dgriffin65 15:14382459c8b7 41 //Debug is disabled by default
dgriffin65 15:14382459c8b7 42 #if defined(DEBUG) and (!defined(TARGET_LPC11U24))
dgriffin65 15:14382459c8b7 43 #define DBG(x, ...) std::printf("[DBG]" x "\r\n", ##__VA_ARGS__);
dgriffin65 15:14382459c8b7 44 #define WARN(x, ...) std::printf("[WARN]" x "\r\n", ##__VA_ARGS__);
dgriffin65 15:14382459c8b7 45 #define ERR(x, ...) std::printf("[ERR]" x "\r\n", ##__VA_ARGS__);
dgriffin65 15:14382459c8b7 46 #define INFO(x, ...) std::printf("[INFO]" x "\r\n", ##__VA_ARGS__);
dgriffin65 15:14382459c8b7 47 #else
dgriffin65 15:14382459c8b7 48 #define DBG(x, ...)
dgriffin65 15:14382459c8b7 49 #define WARN(x, ...)
dgriffin65 15:14382459c8b7 50 #define ERR(x, ...)
dgriffin65 15:14382459c8b7 51 #define INFO(x, ...)
dgriffin65 15:14382459c8b7 52 #endif
dgriffin65 15:14382459c8b7 53
dgriffin65 15:14382459c8b7 54
dgriffin65 15:14382459c8b7 55 class HTTPD {
dgriffin65 15:14382459c8b7 56 public:
dgriffin65 15:14382459c8b7 57
dgriffin65 15:14382459c8b7 58 enum Request {
dgriffin65 15:14382459c8b7 59 REQ_HTTPGET,
dgriffin65 15:14382459c8b7 60 REQ_HTTPPOST,
dgriffin65 15:14382459c8b7 61 REQ_PUT,
dgriffin65 15:14382459c8b7 62 };
dgriffin65 15:14382459c8b7 63
dgriffin65 15:14382459c8b7 64 enum Mode {
dgriffin65 15:14382459c8b7 65 MODE_REQUEST,
dgriffin65 15:14382459c8b7 66 MODE_REQSTR,
dgriffin65 15:14382459c8b7 67 MODE_HEADER,
dgriffin65 15:14382459c8b7 68 MODE_BODY,
dgriffin65 15:14382459c8b7 69 MODE_ENTER,
dgriffin65 15:14382459c8b7 70 MODE_ERROR,
dgriffin65 15:14382459c8b7 71 MODE_WEBSOCKET,
dgriffin65 15:14382459c8b7 72 MODE_WEBSOCKET_MASK,
dgriffin65 15:14382459c8b7 73 MODE_WEBSOCKET_BODY,
dgriffin65 15:14382459c8b7 74 MODE_WEBSOCKET_ENTER,
dgriffin65 15:14382459c8b7 75 };
dgriffin65 15:14382459c8b7 76
dgriffin65 15:14382459c8b7 77 struct STATE {
dgriffin65 15:14382459c8b7 78 Thread *thread;
dgriffin65 15:14382459c8b7 79 TCPSocket *client;
dgriffin65 15:14382459c8b7 80 volatile Request req;
dgriffin65 15:14382459c8b7 81 volatile Mode mode;
dgriffin65 15:14382459c8b7 82 CircBuffer <char>*buf;
dgriffin65 15:14382459c8b7 83 char uri[HTTPD_CMD_SIZE];
dgriffin65 15:14382459c8b7 84 char *filename;
dgriffin65 15:14382459c8b7 85 char *querystring;
dgriffin65 15:14382459c8b7 86 int enter;
dgriffin65 15:14382459c8b7 87 int length;
dgriffin65 15:14382459c8b7 88 int n;
dgriffin65 15:14382459c8b7 89 int keepalive;
dgriffin65 15:14382459c8b7 90 int websocket;
dgriffin65 15:14382459c8b7 91 char *websocket_key;
dgriffin65 15:14382459c8b7 92 int websocket_opcode;
dgriffin65 15:14382459c8b7 93 int websocket_flg;
dgriffin65 15:14382459c8b7 94 char websocket_mask[4];
dgriffin65 15:14382459c8b7 95 int websocket_payload;
dgriffin65 15:14382459c8b7 96 int (*sendws)(int id, const char *buf, int len, const char *mask);
dgriffin65 15:14382459c8b7 97 };
dgriffin65 15:14382459c8b7 98
dgriffin65 15:14382459c8b7 99 HTTPD ();
dgriffin65 15:14382459c8b7 100
dgriffin65 15:14382459c8b7 101 int start (NetworkStack *ns, int port = HTTPD_PORT);
dgriffin65 15:14382459c8b7 102
dgriffin65 15:14382459c8b7 103 // --- HTTPD_req.cpp ---
dgriffin65 15:14382459c8b7 104 void httpdError (int id, int err);
dgriffin65 15:14382459c8b7 105
dgriffin65 15:14382459c8b7 106 // --- HTTPD_ws.cpp ---
dgriffin65 15:14382459c8b7 107 static int sendWebsocket (int id, const char *buf, int len, const char *mask = NULL);
dgriffin65 15:14382459c8b7 108
dgriffin65 15:14382459c8b7 109 // --- HTTPD_util.cpp ---
dgriffin65 15:14382459c8b7 110 char *getUri (int id);
dgriffin65 15:14382459c8b7 111 char *getFilename (int id);
dgriffin65 15:14382459c8b7 112 char *getQueryString (int id);
dgriffin65 15:14382459c8b7 113
dgriffin65 15:14382459c8b7 114 TCPSocket *getClientSocket(int id) {
dgriffin65 15:14382459c8b7 115 if (id >= HTTPD_MAX_CLIENTS) return NULL;
dgriffin65 15:14382459c8b7 116 return _state[id].client;
dgriffin65 15:14382459c8b7 117 }
dgriffin65 15:14382459c8b7 118 int send (int id, const char *body, int len, const char *header = NULL);
dgriffin65 15:14382459c8b7 119 int sendstr (int id, const char *buf);
dgriffin65 15:14382459c8b7 120 int hprintf(int id, const char* format, ...);
dgriffin65 15:14382459c8b7 121 int receive (int id, char *buf, int len);
dgriffin65 15:14382459c8b7 122 int attach (const char *uri, const char *dir);
dgriffin65 15:14382459c8b7 123 int attach (const char *uri, void (*funcCgi)(int id));
dgriffin65 15:14382459c8b7 124 int base64encode (const char *input, int length, char *output, int len);
dgriffin65 15:14382459c8b7 125 int urlencode (const char *str, char *buf, int len);
dgriffin65 15:14382459c8b7 126 int urldecode (const char *str, char *buf, int len);
dgriffin65 15:14382459c8b7 127
dgriffin65 15:14382459c8b7 128 static HTTPD * getInstance() {
dgriffin65 15:14382459c8b7 129 return _inst;
dgriffin65 15:14382459c8b7 130 };
dgriffin65 15:14382459c8b7 131
dgriffin65 15:14382459c8b7 132 private :
dgriffin65 15:14382459c8b7 133 static HTTPD *_inst;
dgriffin65 15:14382459c8b7 134 Thread *_daemon;
dgriffin65 15:14382459c8b7 135 TCPServer _server;
dgriffin65 15:14382459c8b7 136
dgriffin65 15:14382459c8b7 137 NetworkStack *m_ns;
dgriffin65 15:14382459c8b7 138
dgriffin65 15:14382459c8b7 139 #ifdef HTTPD_ENABLE_CLOSER
dgriffin65 15:14382459c8b7 140 struct STATE _state[HTTPD_MAX_CLIENTS + 1];
dgriffin65 15:14382459c8b7 141 #else
dgriffin65 15:14382459c8b7 142 struct STATE _state[HTTPD_MAX_CLIENTS];
dgriffin65 15:14382459c8b7 143 #endif
dgriffin65 15:14382459c8b7 144
dgriffin65 15:14382459c8b7 145 struct HANDLER {
dgriffin65 15:14382459c8b7 146 char *uri;
dgriffin65 15:14382459c8b7 147 char *dir;
dgriffin65 15:14382459c8b7 148 void (*funcCgi)(int id);
dgriffin65 15:14382459c8b7 149 } _handler[HTTPD_MAX_HANDLES];
dgriffin65 15:14382459c8b7 150
dgriffin65 15:14382459c8b7 151 int _handler_count;
dgriffin65 15:14382459c8b7 152
dgriffin65 15:14382459c8b7 153 static void daemon ();
dgriffin65 15:14382459c8b7 154 static void child (void const *arg);
dgriffin65 15:14382459c8b7 155 static void closer (void const *arg);
dgriffin65 15:14382459c8b7 156
dgriffin65 15:14382459c8b7 157 // --- HTTPD_req.cpp ---
dgriffin65 15:14382459c8b7 158 int httpdFile (int id, char *dir);
dgriffin65 15:14382459c8b7 159 void recvData (int id, char c);
dgriffin65 15:14382459c8b7 160 int parseRequest (int id);
dgriffin65 15:14382459c8b7 161 int parseHeader (int id);
dgriffin65 15:14382459c8b7 162 void reqContentLength (int id, const char *buf);
dgriffin65 15:14382459c8b7 163 void reqConnection (int id, const char *buf);
dgriffin65 15:14382459c8b7 164 void reqUpgrade (int id, const char *buf);
dgriffin65 15:14382459c8b7 165 void reqWebSocketVersion (int id, const char *buf);
dgriffin65 15:14382459c8b7 166 void reqWebSocketKey (int id, const char *buf);
dgriffin65 15:14382459c8b7 167
dgriffin65 15:14382459c8b7 168 // --- HTTPD_ws.cpp ---
dgriffin65 15:14382459c8b7 169 void recvWS (int id, char c);
dgriffin65 15:14382459c8b7 170 int parseWebsocket (int id);
dgriffin65 15:14382459c8b7 171 int acceptWebsocket (int id);
dgriffin65 15:14382459c8b7 172
dgriffin65 15:14382459c8b7 173 // --- HTTPD_util.cpp ---
dgriffin65 15:14382459c8b7 174 int getHandler (const char *uri);
dgriffin65 15:14382459c8b7 175 char *mimetype (char *file);
dgriffin65 15:14382459c8b7 176 int strnicmp (const char *p1, const char *p2, int n);
dgriffin65 15:14382459c8b7 177 int from_hex (int ch);
dgriffin65 15:14382459c8b7 178 int to_hex (int code);
dgriffin65 15:14382459c8b7 179 };
dgriffin65 15:14382459c8b7 180
dgriffin65 15:14382459c8b7 181 #endif