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/*
* responsebase.c: VDR on Smart TV plugin
*
* Copyright (C) 2012, 2013 T. Lohmar
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
*/
#include "responsebase.h"
#include "httpresource.h"
#include "smarttvfactory.h"
#include "log.h"
#define DEBUGPREFIX mLog->getTimeString() << ": mReqId= " << mRequest->mReqId << " fd= " << mRequest->mFd
#define OKAY 0
#define ERROR (-1)
#define DEBUG
#define PROTOCOL "HTTP/1.1"
#define RFC1123FMT "%a, %d %b %Y %H:%M:%S GMT"
cResponseBase::cResponseBase(cHttpResource* req): mBlkData(NULL), mBlkPos(0), mBlkLen(0), mLog(NULL), mRequest(req), mRemLength(0), mError (false) {
mLog = Log::getInstance();
mBlkData = new char[MAXLEN];
}
cResponseBase::~cResponseBase() {
delete[] mBlkData;
}
bool cResponseBase::isHeadRequest() {
if (mRequest->mMethod.compare("HEAD") == 0) {
*(mLog->log())<< DEBUGPREFIX << " HEAD Request" << endl;
mError= true;
sendHeaders(200, "OK", NULL, NULL, -1, -1);
return true;
}
return false;
}
void cResponseBase::sendError(int status, const char *title, const char *extra, const char *text) {
char f[400];
mError = true;
string hdr = "";
sendHeaders(status, title, extra, "text/plain", -1, -1);
snprintf(f, sizeof(f), "%s\r\n", text);
hdr += f;
// strcpy(&(mRequest->mBlkData[mRequest->mBlkLen]), hdr.c_str());
strcpy(&mBlkData[mBlkLen], hdr.c_str());
mBlkLen += hdr.size();
}
void cResponseBase::sendHeaders(int status, const char *title, const char *extra, const char *mime,
long long int length, time_t date) {
time_t now;
char timebuf[128];
char f[400];
string hdr = "";
snprintf(f, sizeof(f), "%s %d %s\r\n", PROTOCOL, status, title);
hdr += f;
snprintf(f, sizeof(f), "Server: %s\r\n", SERVER);
hdr += f;
now = time(NULL);
strftime(timebuf, sizeof(timebuf), RFC1123FMT, gmtime(&now));
snprintf(f, sizeof(f), "Date: %s\r\n", timebuf);
hdr += f;
if (extra) {
snprintf(f, sizeof(f), "%s\r\n", extra);
*(mLog->log())<< DEBUGPREFIX << " " << f;
hdr += f;
}
if (mime) {
snprintf(f, sizeof(f), "Content-Type: %s\r\n", mime);
hdr += f;
}
if (length >= 0) {
snprintf(f, sizeof(f), "Content-Length: %lld\r\n", length);
hdr += f;
}
if (date != -1) {
strftime(timebuf, sizeof(timebuf), RFC1123FMT, gmtime(&date));
snprintf(f, sizeof(f), "Last-Modified: %s\r\n", timebuf);
hdr += f;
}
snprintf(f, sizeof(f), "Accept-Ranges: bytes\r\n");
hdr += f;
snprintf(f, sizeof(f), "Connection: close\r\n");
hdr += f;
snprintf(f, sizeof(f), "\r\n");
hdr += f;
if (mBlkLen != 0) {
*(mLog->log())<< DEBUGPREFIX
<< " ERROR in SendHeader: mBlkLen != 0!!! --> Overwriting" << endl;
}
mBlkLen = hdr.size();
strcpy(mBlkData, hdr.c_str());
}
const char *cResponseBase::getMimeType(const char *name) {
char *ext = strrchr((char*)name, '.');
if (!ext)
return "application/octet-stream";
if (strcmp(ext, ".html") == 0 || strcmp(ext, ".htm") == 0) return "text/html";
if (strcmp(ext, ".jpg") == 0 || strcmp(ext, ".jpeg") == 0) return "image/jpeg";
if (strcmp(ext, ".gif") == 0) return "image/gif";
if (strcmp(ext, ".png") == 0) return "image/png";
if (strcmp(ext, ".xml") == 0) return "application/xml";
if (strcmp(ext, ".css") == 0) return "text/css";
if (strcmp(ext, ".js") == 0) return "text/javascript";
if (strcmp(ext, ".au") == 0) return "audio/basic";
if (strcmp(ext, ".wav") == 0) return "audio/wav";
if (strcmp(ext, ".avi") == 0) return "video/x-msvideo";
if (strcmp(ext, ".mp4") == 0) return "video/mp4";
if (strcmp(ext, ".3gp") == 0) return "video/3gp";
if (strcmp(ext, ".vdr") == 0) return "video/mpeg";
if (strcmp(ext, ".ts") == 0) return "video/mpeg";
if (strcmp(ext, ".mpeg") == 0 || strcmp(ext, ".mpg") == 0) return "video/mpeg";
if (strcmp(ext, ".mp3") == 0) return "audio/mpeg";
if (strcmp(ext, ".mpd") == 0) return "application/dash+xml";
if (strcmp(ext, ".m3u8") == 0) return "application/x-mpegURL";
return "application/octet-stream";
}
int cResponseBase::fillDataBlk() {
if (mError) {
mRequest->mConnState = TOCLOSE;
return ERROR;
}
}
bool cResponseBase::isBlkWritten() {
return ((mBlkLen == mBlkPos) ? true : false);
}
int cResponseBase::writeData(int fd) {
int this_write = write(fd, &mBlkData[mBlkPos], mBlkLen - mBlkPos);
mBlkPos += this_write;
return this_write;
}
cResponseOk::cResponseOk (cHttpResource* req, int status, const char *title, const char *extra, const char *mime, long long int length, time_t date) : cResponseBase(req) {
if (isHeadRequest())
return;
sendHeaders(status, title, extra, mime, length, date);
}
cResponseOk::~cResponseOk() {
}
cResponseError::cResponseError(cHttpResource* req, int status, const char *title, const char *extra, const char *text) : cResponseBase(req) {
sendError(status, title, extra, text);
}
cResponseError::~cResponseError() {
}
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