static void CollectCallIfDue(EvalContext *ctx)
{
/* Check whether we have established peering with a hub */
if (CollectCallHasPending())
{
extern int COLLECT_WINDOW;
int waiting_queue = 0;
int new_client = CollectCallGetPending(&waiting_queue);
assert(new_client >= 0);
if (waiting_queue > COLLECT_WINDOW)
{
Log(LOG_LEVEL_INFO,
"Abandoning collect call attempt with queue longer than collect_window [%d > %d]",
waiting_queue, COLLECT_WINDOW);
cf_closesocket(new_client);
CollectCallMarkProcessed();
}
else
{
ConnectionInfo *info = ConnectionInfoNew();
assert(info);
ConnectionInfoSetSocket(info, new_client);
info->is_call_collect = true; /* Mark processed when done. */
ServerEntryPoint(ctx, PolicyServerGetIP(), info);
}
}
}
/**
* @brief Sets both internal C variables as well as policy sys variables.
*
* Called at bootstrap and after reading policy_server.dat.
* Changes sys.policy_hub and sys.policy_hub_port.
* NULL is an acceptable value for new_policy_server. Could happen when an
* already bootstrapped server re-parses its policies, and the
* policy_server.dat file has been removed. Then this function will be called
* with NULL as new_policy_server, and cf-serverd will keep running even
* without a policy server set.
*
* @param ctx EvalContext is used to set related variables
* @param new_policy_server can be 'host:port', same as policy_server.dat
*/
void EvalContextSetPolicyServer(EvalContext *ctx, const char *new_policy_server)
{
// Remove variables if undefined policy server:
if ( NULL_OR_EMPTY(new_policy_server) )
{
EvalContextVariableRemoveSpecial( ctx, SPECIAL_SCOPE_SYS,
"policy_hub" );
EvalContextVariableRemoveSpecial( ctx, SPECIAL_SCOPE_SYS,
"policy_hub_port" );
return;
}
PolicyServerSet(new_policy_server);
const char *ip = PolicyServerGetIP();
// Set the sys.policy_hub variable:
if ( ip != NULL )
{
EvalContextVariablePutSpecial( ctx, SPECIAL_SCOPE_SYS,
"policy_hub", ip,
CF_DATA_TYPE_STRING,
"source=bootstrap" );
}
else
{
EvalContextVariableRemoveSpecial( ctx, SPECIAL_SCOPE_SYS,
"policy_hub" );
}
// Set the sys.policy_hub_port variable:
if (PolicyServerGetPort() != NULL)
{
EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_SYS,
"policy_hub_port", PolicyServerGetPort(),
CF_DATA_TYPE_STRING,
"source=bootstrap" );
}
else // Default value (CFENGINE_PORT_STR = "5308") is set
{
EvalContextVariablePutSpecial( ctx, SPECIAL_SCOPE_SYS,
"policy_hub_port",
CFENGINE_PORT_STR,
CF_DATA_TYPE_STRING,
"source=bootstrap" );
}
}
