//--------------------------------------------------------------------------------------------------
bool proc_IsRealtime
(
proc_Ref_t procRef ///< [IN] The process reference.
)
{
// Read the priority setting from the config tree.
le_cfg_IteratorRef_t procCfg = le_cfg_CreateReadTxn(procRef->cfgPathRoot);
char priorStr[LIMIT_MAX_PRIORITY_NAME_BYTES];
le_result_t result = le_cfg_GetString(procCfg,
CFG_NODE_PRIORITY,
priorStr,
sizeof(priorStr),
"medium");
le_cfg_CancelTxn(procCfg);
if ( (result == LE_OK) &&
(priorStr[0] == 'r') && (priorStr[1] == 't') )
{
return true;
}
return false;
}
// -------------------------------------------------------------------------------------------------
static json_t* CreateJsonNodeFromIterator
(
le_cfg_IteratorRef_t iterRef ///< The iterator to read from.
)
// -------------------------------------------------------------------------------------------------
{
char nodeName[LE_CFG_NAME_LEN_BYTES] = "";
le_cfg_nodeType_t type = le_cfg_GetNodeType(iterRef, "");
le_cfg_GetNodeName(iterRef, "", nodeName, sizeof(nodeName));
json_t* nodePtr = CreateJsonNode(nodeName, NodeTypeStr(type));
switch (type)
{
case LE_CFG_TYPE_EMPTY:
json_object_set_new(nodePtr,
JSON_FIELD_TYPE,
json_string(NodeTypeStr(LE_CFG_TYPE_STEM)));
json_object_set_new(nodePtr, JSON_FIELD_CHILDREN, json_array());
break;
case LE_CFG_TYPE_BOOL:
json_object_set_new(nodePtr,
JSON_FIELD_VALUE,
json_boolean(le_cfg_GetBool(iterRef, "", false)));
break;
case LE_CFG_TYPE_STRING:
{
char strBuffer[LE_CFG_STR_LEN_BYTES] = "";
le_cfg_GetString(iterRef, "", strBuffer, LE_CFG_STR_LEN_BYTES, "");
json_object_set_new(nodePtr, JSON_FIELD_VALUE, json_string(strBuffer));
}
break;
case LE_CFG_TYPE_INT:
json_object_set_new(nodePtr,
JSON_FIELD_VALUE,
json_integer(le_cfg_GetInt(iterRef, "", false)));
break;
case LE_CFG_TYPE_FLOAT:
json_object_set_new(nodePtr,
JSON_FIELD_VALUE,
json_real(le_cfg_GetFloat(iterRef, "", false)));
break;
case LE_CFG_TYPE_STEM:
default:
// Unknown type, nothing to do
json_decref(nodePtr);
nodePtr = NULL;
break;
}
return nodePtr;
}
//--------------------------------------------------------------------------------------------------
static void LoadECallSettings
(
int32_t* hMinAccuracyPtr,
int32_t* dirMinAccuracyPtr
)
{
char psapStr[LE_MDMDEFS_PHONE_NUM_MAX_BYTES] = {0};
LE_DEBUG("Start reading eCall app settings in Configuration Tree");
le_cfg_IteratorRef_t eCallCfgRef = le_cfg_CreateReadTxn(CFG_ECALL_APP_PATH);
// Get PSAP
if (le_cfg_NodeExists(eCallCfgRef, CFG_NODE_PSAP))
{
if ( le_cfg_GetString(eCallCfgRef, CFG_NODE_PSAP, psapStr, sizeof(psapStr), "") != LE_OK )
{
LE_FATAL("No node value set for '%s', exit the app!", CFG_NODE_PSAP);
}
LE_DEBUG("eCall settings, PSAP number is %s", psapStr);
if (le_ecall_SetPsapNumber(psapStr) != LE_OK)
{
LE_FATAL("Cannot set PSAP number, exit the app!");
}
}
else
{
LE_FATAL("No value set for '%s', restart the app!", CFG_NODE_PSAP);
}
// Get minimum horizontal accuracy
if (le_cfg_NodeExists(eCallCfgRef, CFG_NODE_H_MIN_ACCURACY))
{
*hMinAccuracyPtr = le_cfg_GetInt(eCallCfgRef, CFG_NODE_H_MIN_ACCURACY, DEFAULT_H_ACCURACY);
LE_DEBUG("eCall app settings, horizontal accuracy is %d meter(s)", *hMinAccuracyPtr);
}
else
{
*hMinAccuracyPtr = DEFAULT_H_ACCURACY;
}
// Get minimum direction accuracy
if (le_cfg_NodeExists(eCallCfgRef, CFG_NODE_DIR_MIN_ACCURACY))
{
*dirMinAccuracyPtr = le_cfg_GetInt(eCallCfgRef, CFG_NODE_DIR_MIN_ACCURACY, DEFAULT_DIR_ACCURACY);
LE_DEBUG("eCall app settings, direction accuracy is %d degree(s)", *dirMinAccuracyPtr);
}
else
{
*dirMinAccuracyPtr = DEFAULT_DIR_ACCURACY;
}
le_cfg_CancelTxn(eCallCfgRef);
}
//--------------------------------------------------------------------------------------------------
LE_SHARED appCfg_FaultAction_t appCfg_GetProcFaultAction
(
appCfg_Iter_t procIterRef ///< [IN] Apps iterator
)
{
CheckFor(procIterRef, ITER_TYPE_PROC);
char faultActionStr[LIMIT_MAX_FAULT_ACTION_NAME_BYTES];
le_result_t result = le_cfg_GetString(procIterRef->cfgIter,
CFG_NODE_FAULT_ACTION,
faultActionStr,
sizeof(faultActionStr),
"");
if (result != LE_OK)
{
LE_CRIT("Fault action string for process is too long. Assume fault action is 'ignore'.");
return APPCFG_FAULT_ACTION_IGNORE;
}
if (strcmp(faultActionStr, RESTART_STR) == 0)
{
return APPCFG_FAULT_ACTION_RESTART;
}
if (strcmp(faultActionStr, RESTART_APP_STR) == 0)
{
return APPCFG_FAULT_ACTION_RESTART_APP;
}
if (strcmp(faultActionStr, STOP_APP_STR) == 0)
{
return APPCFG_FAULT_ACTION_STOP_APP;
}
if (strcmp(faultActionStr, REBOOT_STR) == 0)
{
return APPCFG_FAULT_ACTION_REBOOT;
}
if (strcmp(faultActionStr, IGNORE_STR) == 0)
{
return APPCFG_FAULT_ACTION_IGNORE;
}
LE_WARN("Unrecognized fault action '%s'. Defaulting to fault action 'ignore'.",
faultActionStr);
return APPCFG_FAULT_ACTION_IGNORE;
}
//--------------------------------------------------------------------------------------------------
static le_result_t LoadRatList
(
const char *ratPath,
uint32_t *ratMaskPtr
)
{
uint32_t idx=0;
LE_DEBUG("Load Rat Preference <%s>",ratPath);
le_cfg_IteratorRef_t ratCfg = le_cfg_CreateReadTxn(ratPath);
*ratMaskPtr = 0;
do {
// Get the node name.
char ratNodeName[LIMIT_MAX_PATH_BYTES] = {0};
char ratNodeValue[LIMIT_MAX_PATH_BYTES] = {0};
sprintf(ratNodeName,PATTERN_RAT"%d",idx);
// This is the exist state for the loop
if (le_cfg_IsEmpty(ratCfg, ratNodeName))
{
LE_DEBUG("'%s' does not exist. stop reading configuration", ratNodeName);
break;
}
if ( le_cfg_GetString(ratCfg,ratNodeName,ratNodeValue,sizeof(ratNodeValue), "") != LE_OK )
{
LE_WARN("Node value string for '%s' too large.",ratNodeName);
le_cfg_CancelTxn(ratCfg);
return LE_NOT_POSSIBLE;
}
if ( strncmp(ratNodeName,"",sizeof(ratNodeName)) == 0 )
{
LE_WARN("No node value set for '%s'",ratNodeName);
le_cfg_CancelTxn(ratCfg);
return LE_NOT_POSSIBLE;
}
*ratMaskPtr |= ConvertRatValue(ratNodeValue);
++idx;
} while (true);
le_cfg_CancelTxn(ratCfg);
return LE_OK;
}
//--------------------------------------------------------------------------------------------------
LE_SHARED le_result_t appCfg_GetProcExecName
(
appCfg_Iter_t procIterRef, ///< [IN] Apps iterator
char* bufPtr, ///< [OUT] Buffer to store the app name.
size_t bufSize ///< [IN] Size of the buffer.
)
{
CheckFor(procIterRef, ITER_TYPE_PROC);
if (le_cfg_NodeExists(procIterRef->cfgIter, "") == false)
{
return LE_NOT_FOUND;
}
return le_cfg_GetString(procIterRef->cfgIter, CFG_PROC_EXEC_NAME, bufPtr, bufSize, "");
}
//--------------------------------------------------------------------------------------------------
LE_SHARED le_result_t appCfg_GetVersion
(
appCfg_Iter_t appIterRef, ///< [IN] Apps iterator
char* bufPtr, ///< [OUT] Buffer to store the app version.
size_t bufSize ///< [IN] Size of the buffer.
)
{
CheckFor(appIterRef, ITER_TYPE_APP);
if (le_cfg_NodeExists(appIterRef->cfgIter, "") == false)
{
return LE_NOT_FOUND;
}
return le_cfg_GetString(appIterRef->cfgIter, CFG_APP_VERSION, bufPtr, bufSize, "");
}
//--------------------------------------------------------------------------------------------------
static le_result_t GetEnvironmentVariables
(
proc_Ref_t procRef, ///< [IN] The process to get the environment variables for.
EnvVar_t envVars[], ///< [IN] The list of environment variables.
size_t maxNumEnvVars ///< [IN] The maximum number of items envVars can hold.
)
{
le_cfg_IteratorRef_t procCfg = le_cfg_CreateReadTxn(procRef->cfgPathRoot);
le_cfg_GoToNode(procCfg, CFG_NODE_ENV_VARS);
if (le_cfg_GoToFirstChild(procCfg) != LE_OK)
{
LE_WARN("No environment variables for process '%s'.", procRef->name);
le_cfg_CancelTxn(procCfg);
return LE_NOT_FOUND;
}
int i;
for (i = 0; i < maxNumEnvVars; i++)
{
if ( (le_cfg_GetNodeName(procCfg, "", envVars[i].name, LIMIT_MAX_ENV_VAR_NAME_BYTES) != LE_OK) ||
(le_cfg_GetString(procCfg, "", envVars[i].value, LIMIT_MAX_PATH_BYTES, "") != LE_OK) )
{
LE_ERROR("Error reading environment variables for process '%s'.", procRef->name);
le_cfg_CancelTxn(procCfg);
return LE_FAULT;
}
if (le_cfg_GoToNextSibling(procCfg) != LE_OK)
{
break;
}
else if (i >= maxNumEnvVars-1)
{
LE_ERROR("There were too many environment variables for process '%s'.", procRef->name);
le_cfg_CancelTxn(procCfg);
return LE_FAULT;
}
}
le_cfg_CancelTxn(procCfg);
return i + 1;
}
static void TestValue
(
le_cfg_IteratorRef_t iterRef,
const char* valueNamePtr,
const char* expectedValue
)
{
static char strBuffer[STR_SIZE] = { 0 };
le_cfg_GetString(iterRef, valueNamePtr, strBuffer, STR_SIZE, "");
LE_FATAL_IF(strncmp(strBuffer, expectedValue, STR_SIZE) != 0,
"Test: %s - Expected '%s' but got '%s' instead.",
TestRootDir,
expectedValue,
strBuffer);
}
// -------------------------------------------------------------------------------------------------
static int HandleGetUserFriendly
(
const char* nodePathPtr ///< Path to the node in the tree.
)
// -------------------------------------------------------------------------------------------------
{
// Start a read transaction at the specified node path. Then dump the value, (if any.)
le_cfg_IteratorRef_t iterRef = le_cfg_CreateReadTxn(nodePathPtr);
switch (le_cfg_GetNodeType(iterRef, ""))
{
case LE_CFG_TYPE_EMPTY:
// Nothing to do here.
break;
case LE_CFG_TYPE_STEM:
DumpTree(iterRef, 0);
break;
case LE_CFG_TYPE_BOOL:
if (le_cfg_GetBool(iterRef, "", false))
{
printf("true\n");
}
else
{
printf("false\n");
}
break;
default:
{
char nodeValue[LE_CFG_STR_LEN_BYTES] = "";
le_cfg_GetString(iterRef, "", nodeValue, LE_CFG_STR_LEN_BYTES, "");
printf("%s\n", nodeValue);
}
break;
}
le_cfg_CancelTxn(iterRef);
return EXIT_SUCCESS;
}
static void DumpTree(le_cfg_IteratorRef_t iterRef, size_t indent)
{
if (le_arg_NumArgs() == 1)
{
return;
}
static char strBuffer[STR_SIZE] = { 0 };
do
{
size_t i;
for (i = 0; i < indent; i++)
{
printf(" ");
}
le_cfg_GetNodeName(iterRef, "", strBuffer, STR_SIZE);
le_cfg_nodeType_t type = le_cfg_GetNodeType(iterRef, "");
switch (type)
{
case LE_CFG_TYPE_STEM:
printf("%s/\n", strBuffer);
le_cfg_GoToFirstChild(iterRef);
DumpTree(iterRef, indent + 2);
le_cfg_GoToParent(iterRef);
break;
case LE_CFG_TYPE_EMPTY:
printf("%s~~\n", strBuffer);
break;
default:
printf("%s<%s> == ", strBuffer, NodeTypeStr(iterRef));
le_cfg_GetString(iterRef, "", strBuffer, STR_SIZE, "");
printf("%s\n", strBuffer);
break;
}
}
while (le_cfg_GoToNextSibling(iterRef) == LE_OK);
}
//--------------------------------------------------------------------------------------------------
wdog_action_WatchdogAction_t proc_GetWatchdogAction
(
proc_Ref_t procRef ///< [IN] The process reference.
)
{
// No actions are performed here. This just looks up the action for this process.
// The result is passed back up to app to handle as with fault action.
wdog_action_WatchdogAction_t watchdogAction = WATCHDOG_ACTION_NOT_FOUND;
{
if (procRef->paused)
{
return WATCHDOG_ACTION_HANDLED;
};
// Read the process's fault action from the config tree.
le_cfg_IteratorRef_t procCfg = le_cfg_CreateReadTxn(procRef->cfgPathRoot);
char watchdogActionStr[LIMIT_MAX_FAULT_ACTION_NAME_BYTES];
le_result_t result = le_cfg_GetString(procCfg, wdog_action_GetConfigNode(),
watchdogActionStr, sizeof(watchdogActionStr), "");
le_cfg_CancelTxn(procCfg);
// Set the watchdog action based on the fault action string.
if (result == LE_OK)
{
LE_WARN("%s watchdogAction '%s' in proc section", procRef->name, watchdogActionStr);
watchdogAction = wdog_action_EnumFromString(watchdogActionStr);
if (WATCHDOG_ACTION_ERROR == watchdogAction)
{
LE_WARN("%s watchdogAction '%s' unknown", procRef->name, watchdogActionStr);
}
}
else
{
LE_CRIT("Watchdog action string for process '%s' is too long.",
procRef->name);
watchdogAction = WATCHDOG_ACTION_ERROR;
}
}
return watchdogAction;
}
//--------------------------------------------------------------------------------------------------
static void ConfigureGdb
(
void
)
{
le_cfg_ConnectService();
le_cfgAdmin_ConnectService();
// Get a write iterator to the application node.
le_cfg_IteratorRef_t cfgIter = le_cfg_CreateWriteTxn("/apps");
le_cfg_GoToNode(cfgIter, AppName);
// Check if this is a temporary configuration that was previously created by this or a similar
// tool.
if (!le_cfg_IsEmpty(cfgIter, CFG_DEBUG_TOOL))
{
char debugTool[LIMIT_MAX_PATH_BYTES];
// Don't need to check return code because the value is just informative and does not matter
// if it is truncated.
le_cfg_GetString(cfgIter, CFG_DEBUG_TOOL, debugTool, sizeof(debugTool), "");
fprintf(stderr, "This application has already been configured for %s debug mode.\n", debugTool);
exit(EXIT_FAILURE);
}
// Write into the config's debug tool node to indicate that this configuration has been modified.
le_cfg_SetString(cfgIter, CFG_DEBUG_TOOL, "gdb");
// Add 512K to the maxFileSytemBytes so that we can debug this app in sandboxed mode
uint32_t maxBytes;
maxBytes = le_cfg_GetInt(cfgIter, "maxFileSystemBytes", DEFAULT_LIMIT_MAX_FILE_SYSTEM_BYTES);
maxBytes += ADD_FILE_SYSTEM_BYTES; // add an additional 512KBytes
LE_INFO("Resetting maxFileSystemBytes to %d bytes", maxBytes);
le_cfg_SetInt(cfgIter, "maxFileSystemBytes", maxBytes);
// Add gdbserver and libs to the app's 'requires/files' section.
le_cfg_GoToNode(cfgIter, "requires/files");
AddImportFiles(cfgIter, &GdbFilesImports, NUM_ARRAY_MEMBERS(GdbFilesImports));
// Add /proc to the app's dirs section.
le_cfg_GoToParent(cfgIter);
le_cfg_GoToNode(cfgIter, "dirs");
AddImportFiles(cfgIter, &GdbDirsImports, NUM_ARRAY_MEMBERS(GdbDirsImports));
// Delete the list of processes.
le_cfg_GoToParent(cfgIter);
le_cfg_GoToParent(cfgIter);
int i;
for (i = 0; i < NumProcs; i++)
{
char nodePath[LIMIT_MAX_PATH_BYTES];
int n = snprintf(nodePath, sizeof(nodePath), "procs/%s", ProcNames[i]);
INTERNAL_ERR_IF(n >= sizeof(nodePath), "Node name is too long.");
INTERNAL_ERR_IF(n < 0, "Format error. %m");
le_cfg_DeleteNode(cfgIter, nodePath);
}
le_cfg_CommitTxn(cfgIter);
}
// -------------------------------------------------------------------------------------------------
static void DumpTree
(
le_cfg_IteratorRef_t iterRef, ///< Write out the tree pointed to by this iterator.
size_t indent ///< The amount of indentation to use for this item.
)
// -------------------------------------------------------------------------------------------------
{
// Note that because this is a recursive function, the buffer here is static in order to save on
// stack space. The implication here is that we then have to be careful how it is later
// accessed. Also, this makes the function not thread safe. But this trade off was made as
// this was not intended to be a multi-threaded program.
static char strBuffer[LE_CFG_STR_LEN_BYTES] = "";
do
{
// Quick and dirty way to indent the tree item.
size_t i;
for (i = 0; i < indent; i++)
{
printf(" ");
}
// Simply grab the name and the type of the current node.
le_cfg_GetNodeName(iterRef, "", strBuffer, LE_CFG_STR_LEN_BYTES);
le_cfg_nodeType_t type = le_cfg_GetNodeType(iterRef, "");
switch (type)
{
// It's a stem object, so mark this item as being a stem and recurse into the stem's
// sub-items.
case LE_CFG_TYPE_STEM:
printf("%s/\n", strBuffer);
le_cfg_GoToFirstChild(iterRef);
DumpTree(iterRef, indent + 2);
le_cfg_GoToParent(iterRef);
// If we got back up to where we started then don't iterate the "root" node's
// siblings.
if (indent == 0)
{
return;
}
break;
// The node is empty, so simply mark it as such.
case LE_CFG_TYPE_EMPTY:
printf("%s<empty>\n", strBuffer);
break;
case LE_CFG_TYPE_BOOL:
{
char* value = NULL;
if (le_cfg_GetBool(iterRef, "", false))
{
value = "true";
}
else
{
value = "false";
}
printf("%s<bool> == %s\n", strBuffer, value);
}
break;
// The node has a different type. So write out the name and the type. Then print the
// value.
default:
printf("%s<%s> == ", strBuffer, NodeTypeStr(le_cfg_GetNodeType(iterRef, "")));
le_cfg_GetString(iterRef, "", strBuffer, LE_CFG_STR_LEN_BYTES, "");
printf("%s\n", strBuffer);
break;
}
}
while (le_cfg_GoToNextSibling(iterRef) == LE_OK);
}
//--------------------------------------------------------------------------------------------------
static proc_FaultAction_t GetFaultAction
(
proc_Ref_t procRef ///< [IN] The process reference.
)
{
if (procRef->cmdKill)
{
// The cmdKill flag was set which means the process died because we killed it so
// it was not a fault. Reset the cmdKill flag so that if this process is restarted
// faults will still be caught.
procRef->cmdKill = false;
return PROC_FAULT_ACTION_NO_FAULT;
}
// Record the fault time.
procRef->faultTime = (le_clk_GetAbsoluteTime()).sec;
// Read the process's fault action from the config tree.
le_cfg_IteratorRef_t procCfg = le_cfg_CreateReadTxn(procRef->cfgPathRoot);
char faultActionStr[LIMIT_MAX_FAULT_ACTION_NAME_BYTES];
le_result_t result = le_cfg_GetString(procCfg, CFG_NODE_FAULT_ACTION,
faultActionStr, sizeof(faultActionStr), "");
le_cfg_CancelTxn(procCfg);
// Set the fault action based on the fault action string.
if (result != LE_OK)
{
LE_CRIT("Fault action string for process '%s' is too long. Assume fault action is 'ignore'.",
procRef->name);
return PROC_FAULT_ACTION_IGNORE;
}
if (strcmp(faultActionStr, RESTART_STR) == 0)
{
return PROC_FAULT_ACTION_RESTART;
}
if (strcmp(faultActionStr, RESTART_APP_STR) == 0)
{
return PROC_FAULT_ACTION_RESTART_APP;
}
if (strcmp(faultActionStr, STOP_APP_STR) == 0)
{
return PROC_FAULT_ACTION_STOP_APP;
}
if (strcmp(faultActionStr, REBOOT_STR) == 0)
{
return PROC_FAULT_ACTION_REBOOT;
}
if (strcmp(faultActionStr, IGNORE_STR) == 0)
{
return PROC_FAULT_ACTION_IGNORE;
}
LE_WARN("Unrecognized fault action for process '%s'. Assume fault action is 'ignore'.",
procRef->name);
return PROC_FAULT_ACTION_IGNORE;
}
//--------------------------------------------------------------------------------------------------
le_result_t le_cellnet_GetSimPinCode
(
le_sim_Id_t simId,
///< [IN]
///< SIM identifier.
char* pinCodePtr,
///< [OUT]
///< Read the PIN code from the config tree.
size_t pinCodeNumElements
///< [IN]
)
{
le_result_t result=LE_OK;
LE_DEBUG("simId= %d",simId);
if (simId >= LE_SIM_ID_MAX)
{
LE_ERROR("Invalid simId (%d) provided!", simId);
result = LE_OUT_OF_RANGE;
}
else
{
// Set the configuration path for the SIM.
char configPath[LIMIT_MAX_PATH_BYTES];
char simPin[LE_SIM_PIN_MAX_BYTES] = {0};
le_cfg_IteratorRef_t simCfgRef;
snprintf(configPath,
sizeof(configPath),
"%s/%d",
CFG_MODEMSERVICE_SIM_PATH, simId);
// Check that the app has a configuration value.
simCfgRef = le_cfg_CreateReadTxn(configPath);
// test if the node exists
if (!le_cfg_NodeExists(simCfgRef, CFG_NODE_PIN))
{
LE_ERROR("SIM PIN node isn't found in the config tree");
result = LE_NOT_FOUND;
}
else
{
//read config tree
result = le_cfg_GetString(simCfgRef,CFG_NODE_PIN,simPin,sizeof(simPin),"");
if (result != LE_OK)
{
LE_ERROR("retrieved SIM PIN code exceeds the supplied buffer");
result = LE_OVERFLOW;
}
else
{
//void entry is taken into account
if ((strncmp(simPin,"",LE_SIM_PIN_MAX_LEN)!=0) &&
(strlen(simPin) < LE_SIM_PIN_MIN_LEN))
{
LE_ERROR("retrieved SIM PIN code is not long enough (min 4 digits) ");
result = LE_UNDERFLOW;
}
else
{
//copy pincode
strncpy ( pinCodePtr, simPin, sizeof(simPin) );
LE_DEBUG("SIM PIN code= %s retrieved OK",pinCodePtr);
}
}
}
le_cfg_CancelTxn(simCfgRef);
}
return result;
}
static void StringSizeTest()
{
le_result_t result;
static char pathBuffer[STR_SIZE] = { 0 };
static char parentPathBuffer[STR_SIZE] = { 0 };
static char smallPathBuffer[SMALL_STR_SIZE + 1] = { 0 };
static char smallParentPathBuffer[SMALL_STR_SIZE + 1] = { 0 };
snprintf(pathBuffer, STR_SIZE, "%s/stringSizeTest/strVal", TestRootDir);
snprintf(parentPathBuffer, STR_SIZE, "%s/stringSizeTest/", TestRootDir);
strncpy(smallPathBuffer, pathBuffer, SMALL_STR_SIZE);
strncpy(smallParentPathBuffer, parentPathBuffer, SMALL_STR_SIZE);
le_cfg_QuickSetString(pathBuffer, "This is a bigger string than may be usual for this test.");
static char buffer[STR_SIZE];
le_cfg_IteratorRef_t iterRef = le_cfg_CreateReadTxn(pathBuffer);
result = le_cfg_GetPath(iterRef, "", buffer, SMALL_STR_SIZE);
LE_FATAL_IF(result != LE_OVERFLOW,
"Test: %s - The buffer should have been too small.",
TestRootDir);
LE_FATAL_IF(strcmp(buffer, smallPathBuffer) == 0,
"Test: %s - Unexpected value returned, %s",
TestRootDir,
buffer);
result = le_cfg_GetString(iterRef, "", buffer, SMALL_STR_SIZE, "");
LE_FATAL_IF(result != LE_OVERFLOW,
"Test: %s - The buffer should have been too small.",
TestRootDir);
LE_FATAL_IF(strcmp(buffer, "This ") == 0,
"Test: %s - Unexpected value returned, %s",
TestRootDir,
buffer);
result = le_cfg_GetPath(iterRef, "", buffer, STR_SIZE);
LE_FATAL_IF(result != LE_OK,
"Test: %s - The buffer should have been big enough.",
TestRootDir);
LE_FATAL_IF(strcmp(buffer, pathBuffer) != 0,
"Test: %s - Unexpected value returned, %s",
TestRootDir,
buffer);
result = le_cfg_GetString(iterRef, "", buffer, STR_SIZE, "");
LE_FATAL_IF(result != LE_OK, "Test: %s - The buffer should have been big enough.", TestRootDir);
LE_FATAL_IF(strcmp(buffer, "This is a bigger string than may be usual for this test.") != 0,
"Test: %s - Unexpected value returned, %s",
TestRootDir,
buffer);
le_cfg_CancelTxn(iterRef);
result = le_cfg_QuickGetString(pathBuffer, buffer, SMALL_STR_SIZE, "");
LE_FATAL_IF(result != LE_OVERFLOW,
"Test: %s - The buffer should have been too small.",
TestRootDir);
LE_FATAL_IF(strcmp(buffer, "This ") == 0,
"Test: %s - Unexpected value returned, %s",
TestRootDir,
buffer);
result = le_cfg_QuickGetString(pathBuffer, buffer, STR_SIZE, "");
LE_FATAL_IF(result != LE_OK,
"Test: %s - The buffer should have been big enough.",
TestRootDir);
LE_FATAL_IF(strcmp(buffer, "This is a bigger string than may be usual for this test.") != 0,
"Test: %s - Unexpected value returned, %s",
TestRootDir,
buffer);
}
//--------------------------------------------------------------------------------------------------
static le_result_t GetServerUid
(
le_cfg_IteratorRef_t i, ///< [in] Config tree iterator positioned at binding config.
uid_t* uidPtr ///< [out] The application's user ID.
)
//--------------------------------------------------------------------------------------------------
{
le_result_t result;
char userName[LIMIT_MAX_USER_NAME_BYTES];
// If an app name is present in the binding config,
if (le_cfg_NodeExists(i, "app"))
{
// Make sure there isn't also a user name.
if (le_cfg_NodeExists(i, "user"))
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "", path, sizeof(path));
LE_CRIT("Both server user and app nodes appear under binding (@ %s)", path);
return LE_DUPLICATE;
}
// Get the app name.
char appName[LIMIT_MAX_APP_NAME_BYTES];
result = le_cfg_GetString(i, "app", appName, sizeof(appName), "");
if (result != LE_OK)
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "app", path, sizeof(path));
LE_CRIT("Server app name too big (@ %s)", path);
return result;
}
if (appName[0] == '\0')
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "app", path, sizeof(path));
LE_CRIT("Server app name empty (@ %s)", path);
return LE_NOT_FOUND;
}
// Find out if the server app is sandboxed. If not, it runs as root.
char path[LIMIT_MAX_PATH_BYTES];
if (snprintf(path, sizeof(path), "/apps/%s/sandboxed", appName) >= sizeof(path))
{
LE_CRIT("Config node path too long (app name '%s').", appName);
return LE_OVERFLOW;
}
if (!le_cfg_GetBool(i, path, true))
{
*uidPtr = 0;
return LE_OK;
}
// It is not sandboxed. Convert the app name into a user name.
result = user_AppNameToUserName(appName, userName, sizeof(userName));
if (result != LE_OK)
{
LE_CRIT("Failed to convert app name '%s' into a user name.", appName);
return result;
}
}
// If a server app name is not present in the binding config,
else
{
// Get the server user name instead.
result = le_cfg_GetString(i, "user", userName, sizeof(userName), "");
if (result != LE_OK)
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "user", path, sizeof(path));
LE_CRIT("Server user name too big (@ %s)", path);
return result;
}
if (userName[0] == '\0')
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "", path, sizeof(path));
LE_CRIT("Server user name or app name missing (@ %s)", path);
return LE_NOT_FOUND;
}
}
// Convert the server's user name into a user ID.
result = user_GetUid(userName, uidPtr);
if (result != LE_OK)
{
// Note: This can happen if the server application isn't installed yet.
// When the server application is installed, sdir load will be run
// again and the bindings will be correctly set up at that time.
if (strncmp(userName, "app", 3) == 0)
{
LE_DEBUG("Couldn't get UID for application '%s'. Perhaps it is not installed yet?",
userName + 3);
}
else
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "", path, sizeof(path));
LE_CRIT("Couldn't convert server user name '%s' to UID (%s @ %s)",
userName,
LE_RESULT_TXT(result),
path);
}
return result;
}
return LE_OK;
}
//--------------------------------------------------------------------------------------------------
static void LoadPreferredList
(
)
{
uint32_t idx = 0;
le_dls_List_t preferredNetworkList = LE_DLS_LIST_INIT;
// Check that the modemRadioControl has a configuration value for preferred list.
le_cfg_IteratorRef_t mrcCfg = le_cfg_CreateReadTxn(CFG_MODEMSERVICE_MRC_PATH"/"CFG_NODE_PREFERREDLIST);
if (le_cfg_NodeExists(mrcCfg,"") == false)
{
LE_DEBUG("'%s' does not exist. Stop reading configuration",
CFG_MODEMSERVICE_MRC_PATH"/"CFG_NODE_PREFERREDLIST);
le_cfg_CancelTxn(mrcCfg);
return;
}
// Read all network from configDB
do
{
uint32_t ratMask;
char mccNodePath[LIMIT_MAX_PATH_BYTES] = {0};
char mncNodePath[LIMIT_MAX_PATH_BYTES] = {0};
char ratNodePath[LIMIT_MAX_PATH_BYTES] = {0};
char mccStr[LIMIT_MAX_PATH_BYTES] = {0};
char mncStr[LIMIT_MAX_PATH_BYTES] = {0};
// Get the node name.
char nodeName[LIMIT_MAX_PATH_BYTES] = {0};
sprintf(nodeName,PATTERN_NETWORK"%d",idx);
if (le_cfg_IsEmpty(mrcCfg, nodeName))
{
LE_DEBUG("'%s' does not exist. stop reading configuration", nodeName);
break;
}
snprintf(mccNodePath, sizeof(mccNodePath), "%s/%s",nodeName,CFG_NODE_MCC);
snprintf(mncNodePath, sizeof(mncNodePath), "%s/%s",nodeName,CFG_NODE_MNC);
snprintf(ratNodePath, sizeof(ratNodePath),
CFG_MODEMSERVICE_MRC_PATH"/"CFG_NODE_PREFERREDLIST"/%s/%s",nodeName,CFG_NODE_RAT);
if ( le_cfg_GetString(mrcCfg,mccNodePath,mccStr,sizeof(mccStr),"") != LE_OK )
{
LE_WARN("String value for '%s' too large.",mccNodePath);
break;
}
if ( strcmp(mccStr,"") == 0 )
{
LE_WARN("No node value set for '%s'",mccNodePath);
break;
}
if ( le_cfg_GetString(mrcCfg,mncNodePath,mncStr,sizeof(mncStr),"") != LE_OK )
{
LE_WARN("String value for '%s' too large.",mncNodePath);
break;
}
if ( strcmp(mncStr,"") == 0 )
{
LE_WARN("No node value set for '%s'",mncNodePath);
break;
}
if ( LoadRatList(ratNodePath,&ratMask) != LE_OK )
{
LE_WARN("Could not read rat information in '%s'",ratNodePath);
break;
}
if ( pa_mrc_AddPreferredNetwork(&preferredNetworkList,mccStr,mncStr,ratMask) != LE_OK )
{
LE_WARN("Could not add [%s,%s] into the preferred list",mccStr,mncStr);
}
++idx;
}
while (true);
le_cfg_CancelTxn(mrcCfg);
if ( pa_mrc_SavePreferredList(&preferredNetworkList) != LE_OK )
{
LE_WARN("Could not save the preferred list");
}
pa_mrc_ClearPreferedList(&preferredNetworkList);
}
//--------------------------------------------------------------------------------------------------
le_result_t proc_SetPriority
(
const char* priorStr, ///< [IN] Priority level string.
pid_t pid ///< [IN] PID of the process to set the priority for.
)
{
// Declare these varialbes with the default values.
struct sched_param priority = {.sched_priority = 0};
int policy = SCHED_OTHER;
int niceLevel = MEDIUM_PRIORITY_NICE_LEVEL;
if (strcmp(priorStr, "idle") == 0)
{
policy = SCHED_IDLE;
}
else if (strcmp(priorStr, "low") == 0)
{
niceLevel = LOW_PRIORITY_NICE_LEVEL;
}
else if (strcmp(priorStr, "high") == 0)
{
niceLevel = HIGH_PRIORITY_NICE_LEVEL;
}
else if ( (priorStr[0] == 'r') && (priorStr[1] == 't') )
{
// Get the realtime level from the characters following "rt".
char *endPtr;
errno = 0;
int level = strtol(&(priorStr[2]), &endPtr, 10);
if ( (*endPtr != '\0') || (level < MIN_RT_PRIORITY) ||
(level > MAX_RT_PRIORITY) )
{
LE_WARN("Unrecognized priority level (%s) for process '%d'. Using default priority.",
priorStr, pid);
}
else
{
policy = SCHED_RR;
priority.sched_priority = level;
}
}
else if (strcmp(priorStr, "medium") != 0)
{
LE_WARN("Unrecognized priority level for process '%d'. Using default priority.", pid);
}
// Set the policy and priority.
if (sched_setscheduler(pid, policy, &priority) == -1)
{
LE_ERROR("Could not set the scheduling policy. %m.");
return LE_FAULT;
}
// Set the nice level.
errno = 0;
if (setpriority(PRIO_PROCESS, pid, niceLevel) == -1)
{
LE_ERROR("Could not set the nice level. %m.");
return LE_FAULT;
}
return LE_OK;
}
//--------------------------------------------------------------------------------------------------
/**
* Sets the scheduling policy, priority and/or nice level for the specified process based on the
* process' configuration settings in the config tree.
*
* @note This function kills the specified process if there is an error.
*/
//--------------------------------------------------------------------------------------------------
static void SetSchedulingPriority
(
proc_Ref_t procRef ///< [IN] The process to set the priority for.
)
{
// Read the priority setting from the config tree.
le_cfg_IteratorRef_t procCfg = le_cfg_CreateReadTxn(procRef->cfgPathRoot);
char priorStr[LIMIT_MAX_PRIORITY_NAME_BYTES];
if (le_cfg_GetString(procCfg, CFG_NODE_PRIORITY, priorStr, sizeof(priorStr), "medium") != LE_OK)
{
LE_CRIT("Priority string for process %s is too long. Using default priority.", procRef->name);
LE_ASSERT(le_utf8_Copy(priorStr, "medium", sizeof(priorStr), NULL) == LE_OK);
}
le_cfg_CancelTxn(procCfg);
if (proc_SetPriority(priorStr, procRef->pid) != LE_OK)
{
kill_Hard(procRef->pid);
}
}
//--------------------------------------------------------------------------------------------------
static void LoadScanMode
(
)
{
char configPath[LIMIT_MAX_PATH_BYTES];
snprintf(configPath, sizeof(configPath), "%s/%s",CFG_MODEMSERVICE_MRC_PATH,CFG_NODE_SCANMODE);
LE_DEBUG("Start reading MRC scanMode information in ConfigDB");
le_cfg_IteratorRef_t mrcCfg = le_cfg_CreateReadTxn(configPath);
do
{
if ( le_cfg_GetBool(mrcCfg,CFG_NODE_MANUAL,false) )
{
char mccStr[LIMIT_MAX_PATH_BYTES] = {0};
char mncStr[LIMIT_MAX_PATH_BYTES] = {0};
if ( le_cfg_GetString(mrcCfg,CFG_NODE_MCC,mccStr,sizeof(mccStr),"") != LE_OK )
{
LE_WARN("String value for '%s' too large.",CFG_NODE_MCC);
break;
}
if ( strcmp(mccStr,"") == 0 )
{
LE_WARN("No node value set for '%s'",CFG_NODE_MCC);
break;
}
if ( le_cfg_GetString(mrcCfg,CFG_NODE_MNC,mncStr,sizeof(mncStr),"") != LE_OK )
{
LE_WARN("String value for '%s' too large.",CFG_NODE_MNC);
break;
}
if ( strcmp(mncStr,"") == 0 )
{
LE_WARN("No node value set for '%s'",CFG_NODE_MNC);
break;
}
if ( le_mrc_ConnectCellularNetwork(mccStr,mncStr) != LE_OK )
{
LE_WARN("Could not connect to Network [%s,%s]",mccStr ,mncStr);
break;
}
}
else
{
if ( pa_mrc_SetAutomaticNetworkRegistration() != LE_OK )
{
LE_WARN("Could not set the Automatic Network Registration");
break;
}
}
} while (false);
le_cfg_CancelTxn(mrcCfg);
}
//--------------------------------------------------------------------------------------------------
static le_result_t GetArgs
(
proc_Ref_t procRef, ///< [IN] The process to get the args for.
char argsBuffers[LIMIT_MAX_NUM_CMD_LINE_ARGS][LIMIT_MAX_ARGS_STR_BYTES], ///< [OUT] A pointer to
/// an array of buffers
/// used to store
/// arguments.
char* argsPtr[NUM_ARGS_PTRS] ///< [OUT] An array of pointers that will point to the valid
/// arguments list. The list is terminated by NULL.
)
{
// Get a config iterator to the arguments list.
le_cfg_IteratorRef_t procCfg = le_cfg_CreateReadTxn(procRef->cfgPathRoot);
le_cfg_GoToNode(procCfg, CFG_NODE_ARGS);
if (le_cfg_GoToFirstChild(procCfg) != LE_OK)
{
LE_ERROR("No arguments for process '%s'.", procRef->name);
le_cfg_CancelTxn(procCfg);
return LE_FAULT;
}
size_t ptrIndex = 0;
size_t bufIndex = 0;
// Record the executable path.
if (le_cfg_GetString(procCfg, "", argsBuffers[bufIndex], LIMIT_MAX_ARGS_STR_BYTES, "") != LE_OK)
{
LE_ERROR("Error reading argument '%s...' for process '%s'.",
argsBuffers[bufIndex],
procRef->name);
le_cfg_CancelTxn(procCfg);
return LE_FAULT;
}
argsPtr[ptrIndex++] = argsBuffers[bufIndex++];
// Record the process name in the list.
argsPtr[ptrIndex++] = procRef->name;
// Record the arguments in the caller's list of buffers.
while(1)
{
if (le_cfg_GoToNextSibling(procCfg) != LE_OK)
{
// Terminate the list.
argsPtr[ptrIndex] = NULL;
break;
}
else if (bufIndex >= LIMIT_MAX_NUM_CMD_LINE_ARGS)
{
LE_ERROR("Too many arguments for process '%s'.", procRef->name);
le_cfg_CancelTxn(procCfg);
return LE_FAULT;
}
if (le_cfg_IsEmpty(procCfg, ""))
{
LE_ERROR("Empty node in argument list for process '%s'.", procRef->name);
le_cfg_CancelTxn(procCfg);
return LE_FAULT;
}
if (le_cfg_GetString(procCfg, "", argsBuffers[bufIndex],
LIMIT_MAX_ARGS_STR_BYTES, "") != LE_OK)
{
LE_ERROR("Argument too long '%s...' for process '%s'.",
argsBuffers[bufIndex],
procRef->name);
le_cfg_CancelTxn(procCfg);
return LE_FAULT;
}
// Point to the string.
argsPtr[ptrIndex++] = argsBuffers[bufIndex++];
}
le_cfg_CancelTxn(procCfg);
return LE_OK;
}
//--------------------------------------------------------------------------------------------------
static void SendBindRequest
(
uid_t uid, ///< [in] Unix user ID of the client whose binding is being created.
le_cfg_IteratorRef_t i ///< [in] Configuration read iterator.
)
//--------------------------------------------------------------------------------------------------
{
le_result_t result;
le_msg_MessageRef_t msgRef = le_msg_CreateMsg(SessionRef);
le_sdtp_Msg_t* msgPtr = le_msg_GetPayloadPtr(msgRef);
msgPtr->msgType = LE_SDTP_MSGID_BIND;
msgPtr->client = uid;
// Fetch the client's service name.
result = le_cfg_GetNodeName(i,
"",
msgPtr->clientServiceName,
sizeof(msgPtr->clientServiceName));
if (result != LE_OK)
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "", path, sizeof(path));
LE_CRIT("Configured client service name too long (@ %s)", path);
return;
}
// Fetch the server's user ID.
result = GetServerUid(i, &msgPtr->server);
if (result != LE_OK)
{
return;
}
// Fetch the server's service name.
result = le_cfg_GetString(i,
"interface",
msgPtr->serverServiceName,
sizeof(msgPtr->serverServiceName),
"");
if (result != LE_OK)
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "interface", path, sizeof(path));
LE_CRIT("Server interface name too big (@ %s)", path);
return;
}
if (msgPtr->serverServiceName[0] == '\0')
{
char path[LIMIT_MAX_PATH_BYTES];
le_cfg_GetPath(i, "interface", path, sizeof(path));
LE_CRIT("Server interface name missing (@ %s)", path);
return;
}
msgRef = le_msg_RequestSyncResponse(msgRef);
if (msgRef == NULL)
{
ExitWithErrorMsg("Communication with Service Directory failed.");
}
le_msg_ReleaseMsg(msgRef);
}
//--------------------------------------------------------------------------------------------------
static void LoadSimFromConfigDb
(
le_sim_Id_t simId
)
{
uint32_t attemptCounter = CONFIGDB_ATTEMPT_MAX;
// Get the configuration path for the SIM.
char configPath[LIMIT_MAX_PATH_BYTES];
snprintf(configPath, sizeof(configPath), "%s/%d",
CFG_MODEMSERVICE_SIM_PATH,
simId);
LE_DEBUG("Start reading SIM-%d information in ConfigDB",simId);
le_result_t result;
le_sim_States_t simState;
do
{
simState = le_sim_GetState(simId);
switch (simState)
{
case LE_SIM_INSERTED:
{
// Check that the app has a configuration value.
le_cfg_IteratorRef_t simCfg = le_cfg_CreateReadTxn(configPath);
char simPin[LIMIT_MAX_PATH_BYTES] = {0};
result = le_cfg_GetString(simCfg,CFG_NODE_PIN,simPin,sizeof(simPin),"");
if ( result != LE_OK )
{
LE_WARN("PIN string too large for SIM-%d",simId);
le_cfg_CancelTxn(simCfg);
return;
}
if ( strncmp(simPin,"",sizeof(simPin))==0 )
{
LE_WARN("PIN not set for SIM-%d",simId);
le_cfg_CancelTxn(simCfg);
return;
}
if ( (result = le_sim_EnterPIN(simId,simPin)) != LE_OK )
{
LE_ERROR("Error.%d Failed to enter SIM pin for SIM-%d",result,simId);
le_cfg_CancelTxn(simCfg);
return;
}
LE_DEBUG("Sim-%d is unlocked", simId);
le_cfg_CancelTxn(simCfg);
attemptCounter = 1;
break;
}
case LE_SIM_BLOCKED:
{
LE_EMERG("Be carefull the sim-%d is BLOCKED, need to enter PUK code",simId);
attemptCounter = 1;
break;
}
case LE_SIM_BUSY:
if (attemptCounter==1)
{
LE_WARN("Could not load the configuration because "
"the SIM is still busy after %d attempts", CONFIGDB_ATTEMPT_MAX);
}
else
{
LE_WARN("Sim-%d was busy when loading configuration,"
"retry in 1 seconds",simId);
}
sleep(1); // Retry in 1 second.
break;
case LE_SIM_READY:
LE_DEBUG("Sim-%d is ready",simId);
attemptCounter = 1;
break;
case LE_SIM_ABSENT:
LE_WARN("Sim-%d is absent",simId);
attemptCounter = 1;
break;
case LE_SIM_STATE_UNKNOWN:
break;
}
} while (--attemptCounter);
LE_DEBUG("Load SIM information is done");
}
