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Handler/FsHandler.cpp@7:cb7fec1265b5, 2013-06-01 (annotated)
- Committer:
- leihen
- Date:
- Sat Jun 01 17:47:45 2013 +0000
- Revision:
- 7:cb7fec1265b5
- Parent:
- 5:dc88012caef1
- Child:
- 9:c2a1462b9b71
Fixed a Problem with incorrect HttpBody size when returning GET Request data.
; Fixed incorrect variable size for returned data, which led to a Problem when returned data length exceeds 65535 Bytes.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
leihen | 5:dc88012caef1 | 1 | /* FsHandler.cpp */ |
leihen | 5:dc88012caef1 | 2 | #include "mbed.h" |
leihen | 5:dc88012caef1 | 3 | #include "FsHandler.h" |
leihen | 5:dc88012caef1 | 4 | |
leihen | 5:dc88012caef1 | 5 | |
leihen | 5:dc88012caef1 | 6 | #define _DEBUG 1 |
leihen | 5:dc88012caef1 | 7 | |
leihen | 5:dc88012caef1 | 8 | #if (_DEBUG && !defined(TARGET_LPC11U24)) |
leihen | 5:dc88012caef1 | 9 | #define INFO(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__); |
leihen | 5:dc88012caef1 | 10 | #define WARN(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__); |
leihen | 5:dc88012caef1 | 11 | #define ERR(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__); |
leihen | 5:dc88012caef1 | 12 | #else |
leihen | 5:dc88012caef1 | 13 | #define INFO(x, ...) |
leihen | 5:dc88012caef1 | 14 | #define WARN(x, ...) |
leihen | 5:dc88012caef1 | 15 | #define ERR(x, ...) |
leihen | 5:dc88012caef1 | 16 | #endif |
leihen | 5:dc88012caef1 | 17 | |
leihen | 5:dc88012caef1 | 18 | |
leihen | 7:cb7fec1265b5 | 19 | #define MAX_BUFFERSIZE 512 |
leihen | 5:dc88012caef1 | 20 | static char buffer[MAX_BUFFERSIZE]; |
leihen | 5:dc88012caef1 | 21 | |
leihen | 5:dc88012caef1 | 22 | |
leihen | 5:dc88012caef1 | 23 | std::map<const char*, const char*> HTTPFsRequestHandler::m_fsMap; |
leihen | 5:dc88012caef1 | 24 | |
leihen | 5:dc88012caef1 | 25 | HTTPFsRequestHandler::HTTPFsRequestHandler(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp) |
leihen | 5:dc88012caef1 | 26 | : HTTPRequestHandler(Msg, Tcp) |
leihen | 5:dc88012caef1 | 27 | { |
leihen | 5:dc88012caef1 | 28 | m_rootPath = rootPath; |
leihen | 5:dc88012caef1 | 29 | m_localPath = localPath; |
leihen | 5:dc88012caef1 | 30 | |
leihen | 5:dc88012caef1 | 31 | // Now replace the virtual root path with a mounted device path |
leihen | 5:dc88012caef1 | 32 | std::map<const char*, const char*>::iterator it; |
leihen | 5:dc88012caef1 | 33 | for (it = m_fsMap.begin() ; it != m_fsMap.end() ; it++) { |
leihen | 5:dc88012caef1 | 34 | // find best match (if the given logical path is containted in the root |
leihen | 5:dc88012caef1 | 35 | if (m_rootPath.find( it->second ) == 0) { |
leihen | 5:dc88012caef1 | 36 | m_rootPath = it->first; |
leihen | 5:dc88012caef1 | 37 | break; |
leihen | 5:dc88012caef1 | 38 | } |
leihen | 5:dc88012caef1 | 39 | } |
leihen | 5:dc88012caef1 | 40 | |
leihen | 5:dc88012caef1 | 41 | handleRequest(); |
leihen | 5:dc88012caef1 | 42 | } |
leihen | 5:dc88012caef1 | 43 | |
leihen | 5:dc88012caef1 | 44 | HTTPFsRequestHandler::~HTTPFsRequestHandler() |
leihen | 5:dc88012caef1 | 45 | { |
leihen | 5:dc88012caef1 | 46 | } |
leihen | 5:dc88012caef1 | 47 | |
leihen | 5:dc88012caef1 | 48 | int HTTPFsRequestHandler::handleGetRequest() |
leihen | 5:dc88012caef1 | 49 | { |
leihen | 5:dc88012caef1 | 50 | INFO("Handling Get Request."); |
leihen | 5:dc88012caef1 | 51 | int retval = 0; //success |
leihen | 5:dc88012caef1 | 52 | std::string reqPath; |
leihen | 5:dc88012caef1 | 53 | |
leihen | 5:dc88012caef1 | 54 | // Check if we received a directory with the local bath |
leihen | 5:dc88012caef1 | 55 | if ((m_localPath.length() == 0) || (m_localPath.substr( m_localPath.length()-1, 1) == "/")) { |
leihen | 5:dc88012caef1 | 56 | // yes, we shall append the default page name |
leihen | 5:dc88012caef1 | 57 | m_localPath += "index.html"; |
leihen | 5:dc88012caef1 | 58 | } |
leihen | 5:dc88012caef1 | 59 | |
leihen | 5:dc88012caef1 | 60 | reqPath = m_rootPath + m_localPath; |
leihen | 5:dc88012caef1 | 61 | |
leihen | 5:dc88012caef1 | 62 | INFO("Mapping \"%s\" to \"%s\"", msg.uri.c_str(), reqPath.c_str()); |
leihen | 5:dc88012caef1 | 63 | |
leihen | 5:dc88012caef1 | 64 | FILE *fp = fopen(reqPath.c_str(), "r"); |
leihen | 5:dc88012caef1 | 65 | if (fp != NULL) { |
leihen | 5:dc88012caef1 | 66 | // File was found and can be returned |
leihen | 5:dc88012caef1 | 67 | |
leihen | 5:dc88012caef1 | 68 | // first determine the size |
leihen | 5:dc88012caef1 | 69 | fseek(fp, 0, SEEK_END); |
leihen | 5:dc88012caef1 | 70 | long size = ftell(fp); |
leihen | 5:dc88012caef1 | 71 | fseek(fp, 0, SEEK_SET); |
leihen | 5:dc88012caef1 | 72 | |
leihen | 5:dc88012caef1 | 73 | startResponse(200, size); |
leihen | 5:dc88012caef1 | 74 | while(!feof(fp) && !ferror(fp)) { |
leihen | 5:dc88012caef1 | 75 | int cnt = fread(buffer, 1, MAX_BUFFERSIZE , fp); |
leihen | 7:cb7fec1265b5 | 76 | if (cnt < 0) |
leihen | 7:cb7fec1265b5 | 77 | cnt = 0; |
leihen | 5:dc88012caef1 | 78 | processResponse(cnt, buffer); |
leihen | 5:dc88012caef1 | 79 | } |
leihen | 5:dc88012caef1 | 80 | endResponse(); |
leihen | 5:dc88012caef1 | 81 | fclose(fp); |
leihen | 5:dc88012caef1 | 82 | } |
leihen | 5:dc88012caef1 | 83 | else { |
leihen | 5:dc88012caef1 | 84 | retval = 404; |
leihen | 5:dc88012caef1 | 85 | ERR("Requested file was not found !"); |
leihen | 5:dc88012caef1 | 86 | } |
leihen | 5:dc88012caef1 | 87 | |
leihen | 5:dc88012caef1 | 88 | return retval; |
leihen | 5:dc88012caef1 | 89 | } |
leihen | 5:dc88012caef1 | 90 | |
leihen | 5:dc88012caef1 | 91 | int HTTPFsRequestHandler::handlePostRequest() |
leihen | 5:dc88012caef1 | 92 | { |
leihen | 5:dc88012caef1 | 93 | return 404; |
leihen | 5:dc88012caef1 | 94 | } |
leihen | 5:dc88012caef1 | 95 | |
leihen | 5:dc88012caef1 | 96 | int HTTPFsRequestHandler::handlePutRequest() |
leihen | 5:dc88012caef1 | 97 | { |
leihen | 5:dc88012caef1 | 98 | return 404; |
leihen | 5:dc88012caef1 | 99 | } |