mirror of https://github.com/PentHertz/srsLTE.git
Send the RRC_PDU_IND as JSON
Fixes: srslte_ttcn3#13, srslte_ttcn3#15
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@ -407,6 +407,77 @@ public:
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return config_flag.GetBool();
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}
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static std::string
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get_rrc_pdu_ind_for_pdu(uint32_t tti, uint32_t lcid, const std::string cell_, srslte::unique_byte_buffer_t pdubuf)
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{
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Document resp;
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resp.SetObject();
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// Create members of common object
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// CellId
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Value cell(cell_.c_str(), resp.GetAllocator());
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// RoutingInfo
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Value radiobearer_id(kObjectType);
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radiobearer_id.AddMember("Srb", lcid, resp.GetAllocator());
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Value routing_info(kObjectType);
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routing_info.AddMember("RadioBearerId", radiobearer_id, resp.GetAllocator());
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// TimingInfo
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// SFN
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uint32_t sfn = tti / 10;
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Value sfn_key(kObjectType);
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sfn_key.AddMember("Number", sfn, resp.GetAllocator());
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// Actual subframe index
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uint32_t sf_idx = tti % 10;
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Value sf_idx_key(kObjectType);
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sf_idx_key.AddMember("Number", sf_idx, resp.GetAllocator());
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// Put it all together
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Value subframe_key(kObjectType);
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subframe_key.AddMember("SFN", sfn_key, resp.GetAllocator());
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subframe_key.AddMember("Subframe", sf_idx_key, resp.GetAllocator());
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Value timing_info(kObjectType);
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timing_info.AddMember("SubFrame", subframe_key, resp.GetAllocator());
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// Status
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Value status(kObjectType);
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status.AddMember("Ok", true, resp.GetAllocator());
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// Now, create the common object itself and add members
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Value common(kObjectType);
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common.AddMember("CellId", cell, resp.GetAllocator());
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common.AddMember("RoutingInfo", routing_info, resp.GetAllocator());
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common.AddMember("TimingInfo", timing_info, resp.GetAllocator());
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common.AddMember("Status", status, resp.GetAllocator());
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resp.AddMember("Common", common, resp.GetAllocator());
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// Add RRC PDU
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std::string hexpdu = asn1::octstring_to_string(pdubuf->msg, pdubuf->N_bytes);
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Value pdu(hexpdu.c_str(), resp.GetAllocator());
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Value rrcpdu(kObjectType);
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if (lcid == 0) {
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rrcpdu.AddMember("Ccch", pdu, resp.GetAllocator());
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} else {
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rrcpdu.AddMember("Dcch", pdu, resp.GetAllocator());
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}
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resp.AddMember("RrcPdu", rrcpdu, resp.GetAllocator());
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// JSON-ize
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StringBuffer buffer;
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Writer<StringBuffer> writer(buffer);
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resp.Accept(writer);
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// Return as std::string
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return std::string(buffer.GetString());
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}
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static std::string
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get_drb_common_ind_for_pdu(uint32_t tti, uint32_t lcid, const std::string cell_, srslte::unique_byte_buffer_t drbpdu)
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{
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@ -49,11 +49,12 @@ public:
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return port_listen();
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}
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void tx(unique_byte_buffer_t pdu)
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void tx(std::string out)
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{
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if (initialized) {
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log->info_hex(pdu->msg, pdu->N_bytes, "Sending %d B to Titan\n", pdu->N_bytes);
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send(pdu->msg, pdu->N_bytes);
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log->info_hex(
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reinterpret_cast<const uint8_t*>(out.c_str()), out.length(), "Sending %ld B to Titan\n", out.length());
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send(reinterpret_cast<const uint8_t*>(out.c_str()), out.length());
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} else {
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log->error("Trying to transmit but port not connected.\n");
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}
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@ -1025,23 +1025,9 @@ void ttcn3_syssim::write_pdu(uint32_t lcid, unique_byte_buffer_t pdu)
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// push content to Titan
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if (lcid <= 2) {
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// check cell ID
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if (cells[pcell_idx]->cell.id > 256) {
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log->error("Cell ID too large to fit in single byte.\n");
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return;
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}
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std::string out = ttcn3_helpers::get_rrc_pdu_ind_for_pdu(tti, lcid, cells[pcell_idx]->name, std::move(pdu));
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// We don't handle RRC, prepend LCID
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pdu->msg--;
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*pdu->msg = lcid;
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pdu->N_bytes++;
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// prepend pcell PCID
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pdu->msg--;
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*pdu->msg = static_cast<uint8_t>(cells[pcell_idx]->cell.id);
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pdu->N_bytes++;
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srb.tx(std::move(pdu));
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srb.tx(out);
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} else {
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std::string out = ttcn3_helpers::get_drb_common_ind_for_pdu(tti, lcid, cells[pcell_idx]->name, std::move(pdu));
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log->error("DRB send:\n%s", out.c_str());
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