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telnetsrv_rrc: clean up and documentation

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This commit is contained in:
Xin Zhe Khooi
2024-02-21 10:43:30 +00:00
parent 4003936da5
commit 819f7c1d22
1 changed files with 31 additions and 6 deletions
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common/utils/telnetsrv/telnetsrv_rrc.c
+31 -6
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@@ -34,6 +34,18 @@
#define ERROR_MSG_RET(mSG, aRGS...) do { prnt(mSG, ##aRGS); return 1; } while (0)
/**
* Module brief:
* This module is used to add RRCRelease commands to the telnet server in the
* absence of full support for E2SM RAN Control (RC) function in the RIC.
* This provides similar functionality to the ORAN.WG3.E2SM-RC-R003-v05.00
* 8.4.5.4 RRC Connection Release Control which is initiated by the RIC.
*
* Implementation notes:
* We refer to the method call rrc_gNB_generate_RRCRelease at rrc_gNB_NGAP.c
* during rrc_gNB_process_NGAP_UE_CONTEXT_RELEASE_COMMAND message generation.
*/
static int get_single_ue_id(void)
{
rrc_gNB_ue_context_t *ue_context_p = NULL;
@@ -43,16 +55,22 @@ static int get_single_ue_id(void)
return -1;
}
/**
* @brief Trigger RRC Release for a specific UE
* @param buf: RRC UE ID
* @param debug: Debug flag
* @param prnt: Print function
* @return 0 on success, -1 on failure
*/
int rrc_gNB_trigger_release(char *buf, int debug, telnet_printfunc_t prnt) {
ue_id_t ue_id = -1;
protocol_ctxt_t ctxt;
gNB_RRC_INST *rrc = RC.nrrrc[0];
if (!buf) {
ue_id = get_single_ue_id();
if (ue_id < 1) {
prnt("no UE found\n");
ERROR_MSG_RET("no UE found\n");
prnt("No UE found!\n");
ERROR_MSG_RET("No UE found!\n");
}
} else {
ue_id = strtol(buf, NULL, 10);
@@ -63,14 +81,15 @@ int rrc_gNB_trigger_release(char *buf, int debug, telnet_printfunc_t prnt) {
}
/* get RRC and UE */
gNB_RRC_INST *rrc = RC.nrrrc[0];
rrc_gNB_ue_context_t *ue_context_p = rrc_gNB_get_ue_context(rrc, ue_id);
if (!ue_context_p) {
prnt("Could not find UE context associated with UE ID %lu\n", ue_id);
LOG_E(RRC, "Could not find UE context associated with UE ID %lu\n", ue_id);
return -1;
}
gNB_RRC_UE_t *UE = &ue_context_p->ue_context;
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, 0, GNB_FLAG_YES, UE->rrc_ue_id, 0, 0);
ctxt.eNB_index = 0;
@@ -80,17 +99,23 @@ int rrc_gNB_trigger_release(char *buf, int debug, telnet_printfunc_t prnt) {
return 0;
}
/**
* @brief Trigger RRC Release for all UEs
*/
int rrc_gNB_trigger_release_all(char *buf, int debug, telnet_printfunc_t prnt) {
rrc_gNB_ue_context_t *ue_context_p = NULL;
protocol_ctxt_t ctxt;
protocol_ctxt_t ctxt; /* Not sure what exactly is this */
RB_FOREACH(ue_context_p, rrc_nr_ue_tree_s, &(RC.nrrrc[0]->rrc_ue_head)) {
gNB_RRC_UE_t *UE = &ue_context_p->ue_context;
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, 0, GNB_FLAG_YES, UE->rrc_ue_id, 0, 0);
ctxt.eNB_index = 0;
rrc_gNB_generate_RRCRelease(&ctxt, ue_context_p);
prnt("RRC Release triggered for UE %u\n", UE->rrc_ue_id);
}
return -1;
return 0;
}
static telnetshell_cmddef_t rrc_cmds[] = {