int
ngisSSHjobPBSdoCancel(
ngisSSHjob_t *job)
{
ngisStringBuffer_t sBuf;
int sBufInitialized = 0;
char *command = NULL;
int i;
int ret = 1;
int nExe = 0;
int result;
ngisCallback_t callback;
ngisLog_t *log;
static const char fName[] = "ngisSSHjobPBSdoCancel";
NGIS_ASSERT(job != NULL);
log = job->ngsj_log;
nExe = ngisSSHjobGetNexecutable(job, NGIS_EXECUTABLE_STATUS_PENDING);
nExe += ngisSSHjobGetNexecutable(job, NGIS_EXECUTABLE_STATUS_ACTIVE);
if (nExe == 0) {
/* There is no executable. */
goto finalize;
}
result = ngisStringBufferInitialize(&sBuf);
if (result == 0) {
ngisErrorPrint(log, fName, "Can't initialize the string buffer.\n");
ret = 0;
goto finalize;
}
sBufInitialized = 1;
result = ngisStringBufferAppend(&sBuf,
job->ngsj_attributes->ngsja_sshDeleteCommand);
if (result == 0) {
ngisErrorPrint(log, fName,
"Can't append string to the string buffer.\n");
ret = 0;
goto finalize;
}
for (i = 0;i < job->ngsj_nExecutables;++i) {
switch (job->ngsj_executables[i].nge_status) {
case NGIS_EXECUTABLE_STATUS_PENDING:
case NGIS_EXECUTABLE_STATUS_ACTIVE:
result = ngisStringBufferFormat(&sBuf,
" %s", job->ngsj_executables[i].nge_identifier);
if (result == 0) {
ngisErrorPrint(log, fName,
"Can't append string to the string buffer.\n");
ret = 0;
goto finalize;
}
break;
default:
break;
}
}
result = ngisStringBufferAppend(&sBuf, "\n");
if (result == 0) {
ngisErrorPrint(log, fName,
"Can't append string to the string buffer.\n");
ret = 0;
goto finalize;
}
command = ngisStringBufferRelease(&sBuf);
if (command == NULL) {
ngisErrorPrint(log, fName,
"Can't release string from string buffer.\n");
ret = 0;
goto finalize;
}
callback = ngisCallbackWriteFormat(
job->ngsj_stdio.ngsio_in, ngisSSHjobCancelWriteCallback, job,
"%s", command);
if (!ngisCallbackIsValid(callback)) {
ngisErrorPrint(log, fName, "Can't send command string.\n");
ret = 0;
goto finalize;
}
job->ngsj_stdinCallback = callback;
finalize:
NGIS_NULL_CHECK_AND_FREE(command);
if (sBufInitialized != 0) {
ngisStringBufferFinalize(&sBuf);
sBufInitialized = 0;
}
return ret;
}
static int
ngislSSHjobDoCancel(
ngisSSHjob_t* job)
{
ngisStringBuffer_t sBuf;
int sBufInitialized = 0;
char *command = NULL;
int i;
int ret = 1;
int nActive = 0;
int result;
ngisCallback_t callback;
ngisLog_t *log;
ngisExecutable_t *exe;
static const char fName[] = "ngislSSHjobDoCancel";
NGIS_ASSERT(job != NULL);
log = job->ngsj_log;
nActive = ngisSSHjobGetNexecutable(job, NGIS_EXECUTABLE_STATUS_ACTIVE);
if (nActive == 0) {
/* There is no executable. */
goto finalize;
}
result = ngisStringBufferInitialize(&sBuf);
if (result == 0) {
ngisErrorPrint(log, fName, "Can't initialize the string buffer.\n");
ret = 0;
goto finalize;
}
sBufInitialized = 1;
result = ngisStringBufferAppend(&sBuf, NGIS_KILL_COMMAND);
if (result == 0) {
ngisErrorPrint(log, fName,
"Can't append string to the string buffer.\n");
ret = 0;
goto finalize;
}
for (i = 0;i < job->ngsj_nExecutables;++i) {
exe = &job->ngsj_executables[i];
if (exe->nge_status == NGIS_EXECUTABLE_STATUS_ACTIVE) {
result = ngisStringBufferFormat(&sBuf, " %s", exe->nge_identifier);
if (result == 0) {
ngisErrorPrint(log, fName,
"Can't append string to the string buffer.\n");
ret = 0;
goto finalize;
}
}
}
result = ngisStringBufferAppend(&sBuf, "\n");
if (result == 0) {
ngisErrorPrint(log, fName,
"Can't append string to the string buffer.\n");
ret = 0;
goto finalize;
}
command = ngisStringBufferRelease(&sBuf);
if (command == NULL) {
ngisErrorPrint(log, fName,
"Can't append string to the string buffer.\n");
ret = 0;
goto finalize;
}
callback = ngisCallbackWriteFormat(job->ngsj_stdio.ngsio_in,
ngisSSHjobCancelWriteCallback, job, "%s", command);
if (!ngisCallbackIsValid(callback)) {
ngisErrorPrint(log, fName,
"Can't register function for sending command string.\n");
ret = 0;
goto finalize;
}
job->ngsj_stdinCallback = callback;
finalize:
NGIS_NULL_CHECK_AND_FREE(command);
if (sBufInitialized != 0) {
ngisStringBufferFinalize(&sBuf);
sBufInitialized = 0;
}
return ret;
}