/** Initialize worker thread communication resources.
*
* @param[in] ws - a pointer to a worker thread's status data structure.
*
* @return Zero on success, or a non-zero error value.
*/
static int initWorkerComm(DnxWorkerStatus * ws)
{
char szChanDisp[64];
char szChanColl[64];
int ret;
// create a channel for sending job requests (named after its memory address)
sprintf(szChanDisp, "Dispatch:%lx", ws);
if ((ret = dnxChanMapAdd(szChanDisp, ws->iwlm->cfg.dispatcher)) != DNX_OK)
{
dnxLog("WLM: Failed to initialize dispatcher channel: %s.", dnxErrorString(ret));
return ret;
}
if ((ret = dnxConnect(szChanDisp, 1, &ws->dispatch)) != DNX_OK)
{
dnxLog("WLM: Failed to open dispatcher channel: %s.", dnxErrorString(ret));
dnxChanMapDelete(szChanDisp);
return ret;
}
// create a channel for sending job results (named after its memory address)
sprintf(szChanColl, "Collect:%lx", ws);
if ((ret = dnxChanMapAdd(szChanColl, ws->iwlm->cfg.collector)) != DNX_OK)
{
dnxLog("WLM: Failed to initialize collector channel: %s.", dnxErrorString(ret));
dnxDisconnect(ws->dispatch);
dnxChanMapDelete(szChanDisp);
return ret;
}
if ((ret = dnxConnect(szChanColl, 1, &ws->collect)) != DNX_OK)
{
dnxLog("WLM: Failed to open collector channel: %s.", dnxErrorString(ret));
dnxChanMapDelete(szChanColl);
dnxDisconnect(ws->dispatch);
dnxChanMapDelete(szChanDisp);
return ret;
}
return 0;
}
int dnxInitAgent(char * agentUrl, DnxCfgParser * parser)
{
int ret;
s_shutdown = 0;
s_agentTid = 0;
s_parser = parser;
if ((ret = dnxChanMapAdd(s_agentName, agentUrl)) != DNX_OK)
dnxLog("AGENT channel init failed: %s.", dnxErrorString(ret));
else if ((ret = dnxConnect(s_agentName, DNX_MODE_PASSIVE, &s_agent)) != DNX_OK)
{
dnxLog("AGENT channel connect failed: %s.", dnxErrorString(ret));
dnxChanMapDelete(s_agentName);
}
else if ((ret = pthread_create(&s_agentTid, 0, dnxAgentServer, 0)) != 0)
{
dnxLog("AGENT server init failed: %s.", strerror(ret));
dnxDisconnect(s_agent);
dnxChanMapDelete(s_agentName);
ret = DNX_ERR_THREAD;
}
return ret;
}
/** The main program entry point for the dnx management client.
*
* @param[in] argc - the number of elements in the @p argv array.
* @param[in] argv - a null-terminated array of command-line arguments.
*
* @return Zero on success, or a non-zero error code that is returned to the
* shell. Any non-zero codes should be values between 1 and 127.
*/
int main(int argc, char ** argv)
{
extern char * optarg;
extern int optind, opterr, optopt;
gTopDCS = dnxComStatCreateDCS("127.0.0.1");
int ch, ret;
char * cp, * prog, * cmdstr;
char * hoststr, * portstr;
// get program base name
prog = (char *)((cp = strrchr(argv[0], '/')) != 0 ? (cp + 1) : argv[0]);
// parse arguments
hoststr = "localhost";
portstr = "12482";
opterr = 0;
cmdstr = 0;
while ((ch = getopt(argc, argv, "hvc:s:p:")) != -1)
{
switch (ch)
{
case 's':
hoststr = optarg;
break;
case 'p':
portstr = optarg;
break;
case 'c':
cmdstr = optarg;
break;
case 'v':
printf("\n %s version %s\n Bug reports: %s.\n\n",
prog, VERSION, PACKAGE_BUGREPORT);
exit(0);
case 'h':
default :
usage(prog);
}
}
// ensure we've been given a command
if (!cmdstr)
{
fprintf(stderr, "%s: No command string specified.\n", prog);
usage(prog);
}
// init comm sub-system; send command; wait for response
if ((ret = dnxChanMapInit(0)) != 0)
fprintf(stderr, "%s: Error initializing channel map: %s.\n",
prog, dnxErrorString(ret));
else
{
char url[1024];
snprintf(url, sizeof url, "udp://%s:%s", hoststr, portstr);
if ((ret = dnxChanMapAdd("MgmtClient", url)) != 0)
fprintf(stderr, "%s: Error adding channel (%s): %s.\n",
prog, url, dnxErrorString(ret));
else
{
DnxChannel * channel;
if ((ret = dnxConnect("MgmtClient", 1, &channel)) != 0)
fprintf(stderr, "%s: Error connecting to server (%s): %s.\n",
prog, url, dnxErrorString(ret));
else
{
DnxMgmtRequest req;
memset(&req, 0, sizeof req);
dnxMakeXID(&req.xid, DNX_OBJ_MANAGER, 0, 0);
req.action = cmdstr;
if ((ret = dnxSendMgmtRequest(channel, &req, 0)) != 0)
fprintf(stderr, "%s: Error sending request: %s.\n",
prog, dnxErrorString(ret));
else
{
DnxMgmtReply rsp;
if ((ret = dnxWaitForMgmtReply(channel, &rsp, 0, 10)) != 0)
fprintf(stderr, "%s: Error receiving response: %s.\n",
prog, dnxErrorString(ret));
else
{
if (rsp.status == DNX_REQ_ACK)
printf("%s\n", rsp.reply);
else
fprintf(stderr, "%s: Request failed on server.\nResponse was (%s)\n", prog,rsp.reply);
}
}
dnxDisconnect(channel);
}
dnxChanMapDelete("MgmtClient");
}
dnxChanMapRelease();
}
xheapchk();
return ret? -1: 0;
}