void unlock_ga_bysessionid(sessionid_t sessionid)
{
unsigned int i;
int j, number;
syslog_session(sessionid, DBG_DEBUG, "Unlocking GAs by session-id");
for (i = 0; i < num_buses; i++) {
number = get_number_ga(i);
for (j = 1; j <= number; j++) {
if (ga[i].gastate[j].locked_by == sessionid) {
unlockGA(i, j, sessionid);
}
}
}
}
/*
* Command mode network thread routine
*/
int doCmdClient(session_node_t * sn)
{
/*TODO: Optimize memory usage; these buffers occupy 6 kB stack
* memory.
*/
char line[MAXSRCPLINELEN];
char reply[MAXSRCPLINELEN];
char cbus[MAXSRCPLINELEN];
char command[MAXSRCPLINELEN];
char devicegroup[MAXSRCPLINELEN];
char parameter[MAXSRCPLINELEN];
bus_t bus;
long int rc, nelem;
struct timeval akt_time;
ssize_t result;
syslog_session(sn->session, DBG_INFO, "Command mode starting.");
while (true) {
pthread_testcancel();
memset(line, 0, sizeof(line));
result = socket_readline(sn->socket, line, sizeof(line) - 1);
/* client terminated connection */
if (0 == result) {
shutdown(sn->socket, SHUT_RDWR);
break;
}
/* read errror */
if (-1 == result) {
syslog_session(sn->session, DBG_ERROR,
"Socket read failed: %s (errno = %d)\n",
strerror(errno), errno);
break;
}
/*remove terminating line break */
size_t linelen = strlen(line);
if (linelen > 1 && (line[linelen - 1] == '\n'))
line[linelen - 1] = '\0';
memset(command, 0, sizeof(command));
memset(cbus, 0, sizeof(cbus));
memset(devicegroup, 0, sizeof(devicegroup));
memset(parameter, 0, sizeof(parameter));
memset(reply, 0, sizeof(reply));
nelem = sscanf(line, "%s %s %s %1000c", command, cbus,
devicegroup, parameter);
bus = atoi(cbus);
reply[0] = 0x00;
if (nelem >= 3) {
if (bus <= num_buses) {
rc = SRCP_UNKNOWNCOMMAND;
if (strncasecmp(command, "SET", 3) == 0) {
rc = handleSET(sn->session, bus, devicegroup,
parameter, reply);
}
else if (strncasecmp(command, "GET", 3) == 0) {
rc = handleGET(sn->session, bus, devicegroup,
parameter, reply, sizeof(reply));
}
else if (strncasecmp(command, "WAIT", 4) == 0) {
rc = handleWAIT(sn->session, bus, devicegroup,
parameter, reply, sizeof(reply));
}
else if (strncasecmp(command, "INIT", 4) == 0) {
rc = handleINIT(sn->session, bus, devicegroup,
parameter, reply);
}
else if (strncasecmp(command, "TERM", 4) == 0) {
rc = handleTERM(sn->session, bus, devicegroup,
parameter, reply);
/*special option for session termination (?) */
if (rc < 0) {
if (writen(sn->socket, reply, strlen(reply)) == -1) {
syslog_session(sn->session, DBG_ERROR,
"Socket write failed: %s (errno = %d)\n",
strerror(errno), errno);
break;
}
break;
}
rc = abs(rc);
}
else if (strncasecmp(command, "VERIFY", 6) == 0) {
rc = handleVERIFY(sn->session, bus, devicegroup,
parameter, reply);
}
else if (strncasecmp(command, "RESET", 5) == 0) {
rc = handleRESET(sn->session, bus, devicegroup,
parameter, reply);
}
}
/* bus > num_buses */
else {
rc = SRCP_WRONGVALUE;
gettimeofday(&akt_time, NULL);
srcp_fmt_msg(rc, reply, akt_time);
}
}
/* nelem < 3 */
else {
syslog_session(sn->session, DBG_DEBUG, "List too short: %d",
nelem);
rc = SRCP_LISTTOOSHORT;
gettimeofday(&akt_time, NULL);
srcp_fmt_msg(rc, reply, akt_time);
}
if (writen(sn->socket, reply, strlen(reply)) == -1) {
syslog_session(sn->session, DBG_ERROR,
"Socket write failed: %s (errno = %d)\n",
strerror(errno), errno);
break;
}
}
return 0;
}
