Harald Welte | 883340c | 2018-02-28 18:59:29 +0100 | [diff] [blame] | 1 | module PCUIF_CodecPort { |
| 2 | |
| 3 | import from Osmocom_Types all; |
| 4 | import from PCUIF_Types all; |
| 5 | import from UD_PortType all; |
| 6 | import from UD_Types all; |
| 7 | |
| 8 | type record PCUIF_send_data { |
| 9 | PCUIF_Message data, |
| 10 | integer id |
| 11 | }; |
| 12 | |
| 13 | private function PCUIF_to_UD(in PCUIF_send_data pin, out UD_send_data pout) { |
| 14 | pout.id := pin.id; |
| 15 | pout.data := enc_PCUIF_Message(pin.data); |
| 16 | } with { extension "prototype(fast)" }; |
| 17 | |
| 18 | private function UD_to_PCUIF(in UD_send_data pin, out PCUIF_send_data pout) { |
| 19 | pout.id := pin.id; |
| 20 | pout.data := dec_PCUIF_Message(pin.data); |
| 21 | } with { extension "prototype(fast)" }; |
| 22 | |
| 23 | type port PCUIF_CODEC_PT message { |
| 24 | out UD_close, UD_listen, UD_shutdown, UD_connect, PCUIF_send_data; |
| 25 | in UD_listen_result, UD_connect_result, UD_connected, PCUIF_send_data; |
| 26 | } with { extension "user UD_PT |
| 27 | out ( |
| 28 | UD_close -> UD_close:simple; |
| 29 | UD_listen -> UD_listen:simple; |
| 30 | UD_shutdown -> UD_shutdown:simple; |
| 31 | UD_connect -> UD_connect:simple; |
| 32 | PCUIF_send_data -> UD_send_data: function(PCUIF_to_UD) |
| 33 | ) |
| 34 | in ( |
| 35 | UD_listen_result -> UD_listen_result:simple; |
| 36 | UD_connect_result -> UD_connect_result:simple; |
| 37 | UD_send_data -> PCUIF_send_data: function(UD_to_PCUIF); |
| 38 | UD_connected -> UD_connected:simple |
| 39 | )" |
| 40 | }; |
| 41 | |
| 42 | template PCUIF_send_data t_SD_PCUIF(integer id, template PCUIF_Message pdu) := { |
| 43 | data := pdu, |
| 44 | id := id |
| 45 | } |
| 46 | |
| 47 | template PCUIF_send_data t_SD_PCUIF_MSGT(integer id, template PCUIF_MsgType msg_type, |
| 48 | template uint8_t bts_nr := ?) := { |
| 49 | data := { |
| 50 | msg_type := msg_type, |
| 51 | bts_nr := bts_nr, |
| 52 | spare := ?, |
| 53 | u := ? |
| 54 | }, |
| 55 | id := id |
| 56 | } |
| 57 | |
| 58 | function f_pcuif_connect(PCUIF_CODEC_PT pt, charstring sock) return integer { |
| 59 | var UD_connect_result res; |
| 60 | timer T := 5.0; |
| 61 | |
| 62 | T.start; |
| 63 | pt.send(UD_connect:{sock, -1}); |
| 64 | alt { |
| 65 | [] pt.receive(UD_connect_result:?) -> value res { |
| 66 | if (ispresent(res.result) and ispresent(res.result.result_code) and |
| 67 | res.result.result_code == ERROR) { |
Pau Espin Pedrol | b1eaa6f | 2018-05-24 12:59:42 +0200 | [diff] [blame] | 68 | if (ispresent(res.result.err)) { |
| 69 | setverdict(fail, "Error connecting to PCU socket: ", res.result.err); |
| 70 | } else { |
| 71 | setverdict(fail, "Error connecting to PCU socket"); |
| 72 | } |
Daniel Willmann | e4ff537 | 2018-07-05 17:35:03 +0200 | [diff] [blame] | 73 | mtc.stop; |
Harald Welte | 883340c | 2018-02-28 18:59:29 +0100 | [diff] [blame] | 74 | } else { |
| 75 | return res.id; |
| 76 | } |
| 77 | } |
| 78 | [] T.timeout { |
| 79 | setverdict(fail, "Timeout connecting to PCU socket"); |
Daniel Willmann | e4ff537 | 2018-07-05 17:35:03 +0200 | [diff] [blame] | 80 | mtc.stop; |
Harald Welte | 883340c | 2018-02-28 18:59:29 +0100 | [diff] [blame] | 81 | } |
| 82 | } |
| 83 | return -23; |
| 84 | } |
| 85 | |
| 86 | function f_PCUIF_tx_imm_ass_pch(PCUIF_CODEC_PT pt, integer conn_id, octetstring imm_ass, hexstring imsi, |
| 87 | uint8_t bts_nr := 0) return uint32_t { |
| 88 | var PCUIF_send_data sd; |
| 89 | timer T := 3.0; |
| 90 | /* append 3 last imsi digits so BTS can compute pagng group */ |
| 91 | var hexstring last_digits := substr(imsi, lengthof(imsi)-3, 3); |
| 92 | var octetstring prefix := ''O; |
| 93 | log("3 last imsi digits: ", last_digits); |
| 94 | for (var integer i := 0; i < 3; i := i+1) { |
| 95 | prefix := prefix & int2oct(hex2int('30'H) + hex2int(last_digits[i]), 1); |
| 96 | } |
| 97 | pt.send(t_SD_PCUIF(conn_id, |
| 98 | ts_PCUIF_DATA_REQ(bts_nr, 0, 0, 0, 0, PCU_IF_SAPI_PCH, prefix & imm_ass))); |
| 99 | T.start; |
| 100 | alt { |
| 101 | [] pt.receive(t_SD_PCUIF(conn_id, |
| 102 | tr_PCUIF_DATA_CNF(bts_nr, 0, 0, PCU_IF_SAPI_PCH))) -> value sd { |
| 103 | log("IMM.ASS was sent on fn ", sd.data.u.data_cnf.fn); |
| 104 | return sd.data.u.data_cnf.fn; |
| 105 | } |
| 106 | [] pt.receive { repeat; } |
| 107 | [] T.timeout { |
| 108 | setverdict(fail, "Timeout waiting for PCU DATA.cnf"); |
Daniel Willmann | e4ff537 | 2018-07-05 17:35:03 +0200 | [diff] [blame] | 109 | mtc.stop; |
Harald Welte | 883340c | 2018-02-28 18:59:29 +0100 | [diff] [blame] | 110 | } |
| 111 | } |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | |
| 116 | |
| 117 | |
| 118 | } |