My fork of the HTTPServer (working)
HTTPServer/HTTPStaticPage.h@1:284f2df30cf9, 2012-11-20 (annotated)
- Committer:
- screamer
- Date:
- Tue Nov 20 12:18:53 2012 +0000
- Revision:
- 1:284f2df30cf9
- Parent:
- 0:7a64fbb4069d
local changes
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
screamer | 0:7a64fbb4069d | 1 | #ifndef HTTPSTATICPAGE_H |
screamer | 0:7a64fbb4069d | 2 | #define HTTPSTATICPAGE_H |
screamer | 0:7a64fbb4069d | 3 | |
screamer | 0:7a64fbb4069d | 4 | #include "HTTPServer.h" |
screamer | 0:7a64fbb4069d | 5 | |
screamer | 0:7a64fbb4069d | 6 | /** |
screamer | 0:7a64fbb4069d | 7 | * A datastorage helper for the HTTPStaticPage class. |
screamer | 0:7a64fbb4069d | 8 | * Stores only the left upload size. |
screamer | 0:7a64fbb4069d | 9 | */ |
screamer | 0:7a64fbb4069d | 10 | class HTTPStaticPageData : public HTTPData { |
screamer | 0:7a64fbb4069d | 11 | public: int left; |
screamer | 0:7a64fbb4069d | 12 | }; |
screamer | 0:7a64fbb4069d | 13 | |
screamer | 0:7a64fbb4069d | 14 | /** |
screamer | 0:7a64fbb4069d | 15 | * This class Provide a Handler to send Static HTTP Pages from the bin file. |
screamer | 0:7a64fbb4069d | 16 | */ |
screamer | 0:7a64fbb4069d | 17 | class HTTPStaticPage : public HTTPHandler { |
screamer | 0:7a64fbb4069d | 18 | public: |
screamer | 0:7a64fbb4069d | 19 | /** |
screamer | 0:7a64fbb4069d | 20 | * Constructer takes the pagename and the pagedata. |
screamer | 0:7a64fbb4069d | 21 | * As long as the pagedata is NULL terminated you have not to tell the data length. |
screamer | 0:7a64fbb4069d | 22 | * But if you want to send binary data you should tell us the size. |
screamer | 0:7a64fbb4069d | 23 | */ |
screamer | 0:7a64fbb4069d | 24 | HTTPStaticPage(const char *path, const char *page, int length = 0) |
screamer | 0:7a64fbb4069d | 25 | : HTTPHandler(path), _page(page) { |
screamer | 0:7a64fbb4069d | 26 | _size = (length)?length:strlen(_page); |
screamer | 0:7a64fbb4069d | 27 | } |
screamer | 0:7a64fbb4069d | 28 | |
screamer | 0:7a64fbb4069d | 29 | private: |
screamer | 0:7a64fbb4069d | 30 | /** |
screamer | 0:7a64fbb4069d | 31 | * A this Static Page is requested! |
screamer | 0:7a64fbb4069d | 32 | * Prepare a datastorage helper "HTTPStaticPageHelper" to store the left data size. |
screamer | 0:7a64fbb4069d | 33 | * And return HTTP_OK |
screamer | 0:7a64fbb4069d | 34 | */ |
screamer | 0:7a64fbb4069d | 35 | virtual HTTPStatus init(HTTPConnection *con) const { |
screamer | 0:7a64fbb4069d | 36 | HTTPStaticPageData *data = new HTTPStaticPageData(); |
screamer | 0:7a64fbb4069d | 37 | con->data = data; |
screamer | 0:7a64fbb4069d | 38 | data->left = _size; |
screamer | 0:7a64fbb4069d | 39 | con->setLength(_size); |
screamer | 0:7a64fbb4069d | 40 | return HTTP_OK; |
screamer | 0:7a64fbb4069d | 41 | } |
screamer | 0:7a64fbb4069d | 42 | |
screamer | 0:7a64fbb4069d | 43 | /** |
screamer | 0:7a64fbb4069d | 44 | * Send the maximum data out to the client. |
screamer | 0:7a64fbb4069d | 45 | * If the file is complete transmitted close connection by returning HTTP_SuccessEnded |
screamer | 0:7a64fbb4069d | 46 | */ |
screamer | 0:7a64fbb4069d | 47 | virtual HTTPHandle send(HTTPConnection *con, int maximum) const { |
screamer | 0:7a64fbb4069d | 48 | HTTPStaticPageData *data = static_cast<HTTPStaticPageData *>(con->data); |
screamer | 0:7a64fbb4069d | 49 | int len = min(maximum, data->left); |
screamer | 0:7a64fbb4069d | 50 | err_t err; |
screamer | 0:7a64fbb4069d | 51 | |
screamer | 0:7a64fbb4069d | 52 | do { |
screamer | 0:7a64fbb4069d | 53 | err = con->write((void*)&_page[_size - data->left], len, 1); |
screamer | 0:7a64fbb4069d | 54 | if(err == ERR_MEM) { |
screamer | 0:7a64fbb4069d | 55 | len >>= 1; |
screamer | 0:7a64fbb4069d | 56 | } |
screamer | 0:7a64fbb4069d | 57 | } while(err == ERR_MEM && len > 1); |
screamer | 0:7a64fbb4069d | 58 | if(err == ERR_OK) { |
screamer | 0:7a64fbb4069d | 59 | data->left -= len; |
screamer | 0:7a64fbb4069d | 60 | } |
screamer | 0:7a64fbb4069d | 61 | |
screamer | 0:7a64fbb4069d | 62 | return (data->left)? HTTP_Success : HTTP_SuccessEnded; |
screamer | 0:7a64fbb4069d | 63 | } |
screamer | 0:7a64fbb4069d | 64 | |
screamer | 0:7a64fbb4069d | 65 | /** Pointer to the page data */ |
screamer | 0:7a64fbb4069d | 66 | const char *_page; |
screamer | 0:7a64fbb4069d | 67 | |
screamer | 0:7a64fbb4069d | 68 | /** page data size*/ |
screamer | 0:7a64fbb4069d | 69 | int _size; |
screamer | 0:7a64fbb4069d | 70 | }; |
screamer | 0:7a64fbb4069d | 71 | |
screamer | 0:7a64fbb4069d | 72 | #endif |