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/* -*- c++ -*-
Copyright (C) 2004-2013 Christian Wieninger
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
The author can be reached at cwieninger@gmx.de
The project's page is at http://winni.vdr-developer.org/epgsearch
*/
#ifndef __SVDRPCLIENT_H
#define __SVDRPCLIENT_H
#include <sys/socket.h>
#include "log.h"
#define SVDRPCONNECT 220
#define SVDRPDISCONNECT 221
#define CMDSUCCESS 250
namespace epgsSVDRP
{
class cSVDRPClient
{
private:
int sock;
public:
bool bConnected;
cSVDRPClient() {
bConnected = false;
sock = socket(PF_INET, SOCK_STREAM, 0);
if (sock < 0) {
LogFile.eSysLog("error creating socket!");
return;
}
struct sockaddr_in AdrSock;
AdrSock.sin_family = AF_INET;
AdrSock.sin_port = htons(EPGSearchConfig.SVDRPPort);
inet_aton("127.0.0.1", &AdrSock.sin_addr);
if (connect(sock, (struct sockaddr*)&AdrSock, sizeof(AdrSock)) == -1) {
LogFile.eSysLog("error connecting to socket!");
return;
}
bConnected = (Receive() == SVDRPCONNECT);
if (!bConnected)
LogFile.eSysLog("EPGSearch: could not connect to VDR!");
}
~cSVDRPClient() {
if (sock >= 0)
close(sock);
}
bool SendCmd(const char* cmd) {
if (!bConnected)
return false;
cString szCmd = cString::sprintf("%s\r\n", cmd);
Send(*szCmd);
bool cmdret = (Receive() == CMDSUCCESS);
szCmd = cString::sprintf("QUIT\r\n");
Send(szCmd);
long rc = 0;
if ((rc = Receive()) != SVDRPDISCONNECT)
LogFile.eSysLog("could not disconnect (%ld)!", rc);
close(sock);
sock = -1;
return cmdret;
}
bool Send(const char* szSend) {
int length = strlen(szSend);
int sent = 0;
do {
sent += send(sock, szSend + sent, length - sent, 0);
if (sent < 0) {
LogFile.eSysLog("error sending command!");
return false;
}
} while (sent < length);
return true;
}
long Receive() {
char* csResp = strdup("");
char ch;
long rc = 0;
bool bCheckMultiLine = true;
while (bCheckMultiLine) {
while (strlen(csResp) < 2 || strcmp(csResp + strlen(csResp) - 2, "\r\n") != 0) {
if (recv(sock, &ch, 1, 0) < 0) {
LogFile.eSysLog("EPGSearch: error receiving response!");
free(csResp);
return -1;
}
char* Temp = NULL;
msprintf(&Temp, "%s%c", csResp, ch);
free(csResp);
csResp = Temp;
}
if (csResp[3] == ' ') {
bCheckMultiLine = false;
rc = atol(csResp);
}
free(csResp);
csResp = strdup("");
}
free(csResp);
return rc;
}
static const char *SVDRPSendCmd;
};
};
#endif
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