Diffstat (limited to 'noncore/tools/remote/lirchandler.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/tools/remote/lirchandler.cpp | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/noncore/tools/remote/lirchandler.cpp b/noncore/tools/remote/lirchandler.cpp new file mode 100644 index 0000000..f44806e --- a/dev/null +++ b/noncore/tools/remote/lirchandler.cpp @@ -0,0 +1,270 @@ +/* +Opie-Remote. emulates remote controls on an iPaq (and maybe a Zaurus) in Opie. +Copyright (C) 2007 Paul Eggleton & Thomas Stephens + +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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <sys/un.h> +#include <unistd.h> +#include <errno.h> + +#include <qstring.h> +#include <qmessagebox.h> +#include <qobject.h> +#include <opie2/oprocess.h> + +#include "lirchandler.h" + +#define PACKET_SIZE 256 +#define TIMEOUT 3 +#define LIRCD_SOCKET "/dev/lircd" +#define LIRCD_SERVICECMD "/etc/init.d/lircd" + +using namespace Opie::Core; + +LircHandler::LircHandler(void) +{ + fd = 0; + addr.sun_family=AF_UNIX; + strcpy(addr.sun_path, LIRCD_SOCKET); +} + +bool LircHandler::connectLirc(void) +{ + fd = socket(AF_UNIX, SOCK_STREAM, 0); + if(fd == -1) + { + QMessageBox *mb = new QMessageBox(QObject::tr("Error"), + QObject::tr("Unable to create socket"), + QMessageBox::Critical, + QMessageBox::Ok, + QMessageBox::NoButton, + QMessageBox::NoButton); + mb->exec(); + perror("LircHandler::connectLirc"); + return false; + } + + if(::connect(fd,(struct sockaddr *) &addr, sizeof(addr) ) == -1) + { + QMessageBox *mb = new QMessageBox(QObject::tr("Error"), + QObject::tr("Could not connect to lircd"), + QMessageBox::Critical, + QMessageBox::Ok, + QMessageBox::NoButton, + QMessageBox::NoButton); + mb->exec(); + perror("LircHandler::connectLirc"); + return false; + } + + return true; +} + +//this function was ripped for rc.c in xrc, it is available here: http://www.lirc.org/software.html +const char *LircHandler::readPacket() +{ + static char buffer[PACKET_SIZE+1]=""; + char *end; + static int ptr=0; + ssize_t ret; + int timeout = 0; + + if(ptr>0) + { + memmove(buffer,buffer+ptr,strlen(buffer+ptr)+1); + ptr=strlen(buffer); + end=strchr(buffer,'\n'); + } + else + { + end=NULL; + } + alarm(TIMEOUT); + while(end==NULL) + { + if(PACKET_SIZE<=ptr) + { + fprintf(stderr,"readPacket: bad packet\n"); + ptr=0; + return(NULL); + } + ret=read(fd,buffer+ptr,PACKET_SIZE-ptr); + + if(ret<=0 || timeout) + { + if(timeout) + { + fprintf(stderr,"readPacket: timeout\n"); + } + else + { + alarm(0); + } + ptr=0; + return(NULL); + } + buffer[ptr+ret]=0; + ptr=strlen(buffer); + end=strchr(buffer,'\n'); + } + alarm(0); + + end[0]=0; + ptr=strlen(buffer)+1; +//# ifdef DEBUG +// printf("buffer: -%s-\n",buffer); +//# endif + return(buffer); +} + +QStringList LircHandler::getRemotes(void) +{ + const char write_buffer[] = "LIST\n"; + const char *readbuffer; + int i, numlines; + QStringList list; + + if(connectLirc()) { + write(fd, write_buffer, strlen(write_buffer) ); + + for(i=0; i<5; i++) + { + readbuffer = readPacket(); + } + + numlines = atoi(readbuffer); + + for(i=0; i<numlines; i++) + { + list+=readPacket(); + } + + if(strcasecmp(readPacket(), "END") != 0) + { + QMessageBox *mb = new QMessageBox(QObject::tr("Error"), + QObject::tr("Bad packet while communicating with lircd"), + QMessageBox::Critical, + QMessageBox::Ok, + QMessageBox::NoButton, + QMessageBox::NoButton); + mb->exec(); + perror("LircHandler::getRemotes"); + return NULL; + } + + ::close(fd); + } + + return list; +} + +QStringList LircHandler::getButtons(const char *remoteName) +{ + QString write_buffer = "LIST "; + const char *readbuffer; + int i, j, numlines; + QStringList list; + QString string; + + write_buffer += remoteName; + write_buffer += '\n'; + + if(connectLirc()) { + write(fd, write_buffer.latin1(), strlen(write_buffer) ); + + for(i=0; i<5; i++) + { + readbuffer = readPacket(); + } + + numlines = atoi(readbuffer); + + for(i=0; i<numlines; i++) + { + list+=readPacket(); + for(j=0; j<list[i].length(); j++) + { + if(list[i][j] == ' ') + break; + } + list[i].remove(0, j+1); + } + + if(strcasecmp(readPacket(), "END") != 0) + { + QMessageBox *mb = new QMessageBox(QObject::tr("Error"), + QObject::tr("Bad packet while communicating with lircd"), + QMessageBox::Critical, + QMessageBox::Ok, + QMessageBox::NoButton, + QMessageBox::NoButton); + mb->exec(); + perror("LircHandler::getRemotes"); + return NULL; + } + + ::close(fd); + } + + return list; +} + +int LircHandler::sendIR(const char *irbutton) +{ + const char *read_buffer; + bool done=false; + + if(connectLirc()) { + printf("fd2: %d\n", fd); + printf("%s", irbutton); + + printf("1\n"); + printf("%d\n", write(fd, irbutton, strlen(irbutton) ) ); + printf("2\n"); + while(!done) + { + read_buffer=readPacket(); + printf("%s\n", read_buffer); + if(strcasecmp(read_buffer, "END") == 0) + { + printf("done reading packet\n"); + done=true; + } + } + ::close(fd); + return 1; + } + else + return 0; +} + +bool LircHandler::startLircd(void) +{ + return (system(LIRCD_SERVICECMD " start") == 0); +} + +bool LircHandler::stopLircd(void) +{ + return (system(LIRCD_SERVICECMD " stop") == 0); +} + +bool LircHandler::isLircdRunning(void) +{ + return (OProcess::processPID("lircd") != 0); +} |