int iguana_deinit()
{
int retval = 1;
/* close the connection to the iguana daemon */
if (sendConn != -1)
{
iguanaClose(sendConn);
sendConn = -1;
}
/* signal the child process to exit */
if (child > 0 && (kill(child, SIGTERM) == -1 ||
waitpid(child, NULL, 0) != 0))
{
retval = 0;
child = 0;
}
return retval;
}
static int iguana_deinit()
{
/* close the connection to the iguana daemon */
if (sendConn != -1)
{
iguanaClose(sendConn);
sendConn = -1;
}
/* signal the child process to exit */
if (child > 0 && (kill(child, SIGTERM) == -1 ||
dowaitpid(child, NULL, 0) != (pid_t) -1))
{
child = 0;
}
/* close hw.fd since otherwise we leak open files */
close(hw.fd);
hw.fd = -1;
return child == 0;
}
static void recv_loop(int fd, int notify)
{
int conn;
alarm(0);
signal(SIGTERM, quitHandler);
/* signal(SIGPIPE, SIG_DFL);*/
signal(SIGINT, quitHandler);
signal(SIGHUP, SIG_IGN);
signal(SIGALRM, SIG_IGN);
/* notify parent by closing notify */
close(notify);
conn = iguanaConnect(hw.device);
if (conn != -1)
{
iguanaPacket request, response;
lirc_t prevCode = -1;
request = iguanaCreateRequest(IG_DEV_RECVON, 0, NULL);
if (iguanaWriteRequest(request, conn))
while(! recvDone)
{
/* read from device */
do
{
response = iguanaReadResponse(conn, 1000);
}
while (!recvDone &&
((response == NULL && errno == ETIMEDOUT)
|| (iguanaResponseIsError(response) && errno == ETIMEDOUT)));
if (iguanaResponseIsError(response))
{
/* be quiet during exit */
if (! recvDone)
logprintf(LOG_ERR, "error response: %s\n", strerror(errno));
break;
}
else if (iguanaCode(response) == IG_DEV_RECV)
{
uint32_t *code;
unsigned int length, x, y = 0;
lirc_t buffer[8]; /* we read 8 bytes max at a time
* from the device, i.e. packet
* can only contain 8
* signals. */
/* pull the data off the packet */
code = (uint32_t*)iguanaRemoveData(response, &length);
length /= sizeof(uint32_t);
/* translate the code into lirc_t pulses (and make
* sure they don't split across iguana packets. */
for(x = 0; x < length; x++)
{
if (prevCode == -1)
{
prevCode = (code[x] & IG_PULSE_MASK);
if(prevCode > PULSE_MASK) prevCode = PULSE_MASK;
if(code[x] & IG_PULSE_BIT) prevCode |= PULSE_BIT;
}
else if (((prevCode & PULSE_BIT) && (code[x] & IG_PULSE_BIT)) ||
(!(prevCode & PULSE_BIT) && !(code[x] & IG_PULSE_BIT)))
{
/* can overflow pulse mask, so just set to
* largest possible */
if ((prevCode & PULSE_MASK) + (code[x] & IG_PULSE_MASK) >
PULSE_MASK)
prevCode = (prevCode & PULSE_BIT) | PULSE_MASK;
else
prevCode += code[x] & IG_PULSE_MASK;
}
else
{
buffer[y] = prevCode;
y++;
prevCode = (code[x] & IG_PULSE_MASK);
if(prevCode > PULSE_MASK) prevCode = PULSE_MASK;
if(code[x] & IG_PULSE_BIT) prevCode |= PULSE_BIT;
}
}
/* write the data and free it */
if (y > 0)
write(fd, buffer, sizeof(lirc_t) * y);
free(code);
}
iguanaFreePacket(response);
}
iguanaFreePacket(request);
}
iguanaClose(conn);
close(fd);
}
static int startListening(const char *name)
{
int sockfd, attempt = 0;
struct sockaddr_un server;
bool retry = true;
/* generate the server address */
server.sun_family = PF_UNIX;
socketName(name, server.sun_path, sizeof(server.sun_path));
while(retry)
{
retry = false;
attempt++;
sockfd = socket(PF_UNIX, SOCK_STREAM, 0);
if (sockfd == -1)
message(LOG_ERROR, "failed to create server socket.\n");
else if (bind(sockfd, (struct sockaddr*)&server,
sizeof(struct sockaddr_un)) == -1)
{
if (errno == EADDRINUSE)
{
/* check that the socket has something listening */
int testconn;
testconn = iguanaConnect_internal(name, IG_PROTOCOL_VERSION, false);
if (testconn == -1 && errno == ECONNREFUSED && attempt == 1)
{
/* if not, try unlinking the pipe and trying again */
unlink(server.sun_path);
retry = true;
}
else
{
/* guess someone is there, whoops, close and complain */
iguanaClose(testconn);
message(LOG_ERROR, "failed to bind server socket %s. Is the address currently in use?\n", server.sun_path);
}
}
/* attempt to make the directory if we get ENOENT */
else if (errno == ENOENT && mkdirs(server.sun_path))
retry = true;
else
message(LOG_ERROR, "failed to bind server socket: %s\n",
translateError(errno));
}
/* start listening */
else if (listen(sockfd, 5) == -1)
message(LOG_ERROR,
"failed to put server socket in a listening state.\n");
/* set the proper permissions */
else if (chmod(server.sun_path, devMode) != 0)
message(LOG_ERROR,
"failed to set permissions on the server socket.\n");
else
return sockfd;
#if DEBUG
printf("CLOSE %d %s(%d)\n", sockfd, __FILE__, __LINE__);
#endif
close(sockfd);
}
return INVALID_PIPE;
}