detectors/slsDetectorPackage
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delete old servers, wip

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This commit is contained in:
maliakal_d 2022-04-04 10:45:44 +02:00
parent 8b1851e652
commit cf6423dbbe
2 changed files with 39 additions and 18 deletions
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48
slsDetectorServers/slsDetectorServer/src/common.c
View File

@ -60,7 +60,7 @@ int getAbsPath(char *buf, size_t bufSize, char *fname) {
}
path[len] = '\0';
// get dir path and attach config file name
// get dir path and attach file name
char *dir = dirname(path);
memset(buf, 0, bufSize);
sprintf(buf, "%s/%s", dir, fname);
@ -635,13 +635,17 @@ int createEmptyFile(char *mess, char *fname, char *errorPrefix) {
int deleteFile(char *mess, char *fname, char *errorPrefix) {
const int fileNameSize = 128;
char fullname[fileNameSize];
if (getAbsPath(fullname, fileNameSize, fname) == FAIL) {
sprintf(mess,
"Could not %s. Could not get abs path of current "
"process\n",
errorPrefix);
LOG(logERROR, (mess));
return FAIL;
strcpy(fullname, fname);
if (fname[0] != '/') {
if (getAbsPath(fullname, fileNameSize, fname) == FAIL) {
sprintf(mess,
"Could not %s. Could not get abs path of current "
"process\n",
errorPrefix);
LOG(logERROR, (mess));
return FAIL;
}
}
if (access(fullname, F_OK) == 0) {
@ -674,11 +678,29 @@ int deleteFile(char *mess, char *fname, char *errorPrefix) {
int deleteOldServers(char *mess, char *newServerName, char *errorPrefix) {
LOG(logINFOBLUE, ("newserver name:%s\n", newServerName));
// if it exists
if (access(newServerName, F_OK) == 0) {
LOG(logINFO,
("\tOld server does exist: %s (%s)\n", newServerName, errorPrefix));
// get path of current binary
char path[MAX_STR_LENGTH];
memset(path, 0, MAX_STR_LENGTH);
ssize_t len = readlink("/proc/self/exe", path, MAX_STR_LENGTH - 1);
if (len < 0) {
LOG(logWARNING, ("(%s): Could not delete old servers. Could not "
"readlink current binary\n",
errorPrefix));
return FAIL;
}
exit(-1);
path[len] = '\0';
LOG(logINFO, ("Current binary:%s\n", path));
// if current binary same as new server name, replaced anyway
if (strcmp(path, newServerName)) {
if (deleteFile(mess, path, errorPrefix) == FAIL) {
LOG(logWARNING,
("(%s). Could not delete old servers\n", errorPrefix));
return FAIL;
}
} else {
LOG(logINFO, ("Current binary same as server name\n"));
}
return OK;
}

9
slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
View File

@ -9601,11 +9601,10 @@ void receive_program_via_blackfin(int file_des, enum PROGRAM_INDEX index,
totalsize, forceDeleteNormalFile);
break;
case PROGRAM_SERVER:
ret = deleteOldServers(mess, serverName, "update detector server");
if (ret == OK) {
ret = moveBinaryFile(mess, serverName, TEMP_PROG_FILE_NAME,
"update detector server");
}
// a fail here is not a show stopper (just for memory)
deleteOldServers(mess, serverName, "update detector server");
ret = moveBinaryFile(mess, serverName, TEMP_PROG_FILE_NAME,
"update detector server");
if (ret == OK) {
ret = setupDetectorServer(mess, serverName);
}