146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
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#include <errno.h>
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#include <string.h>
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#include <talloc.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/fsm.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/application.h>
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#include <osmocom/abis/ipa.h>
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#include <osmocom/gsm/protocol/ipaccess.h>
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#include "rspro_util.h"
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#include "client.h"
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#include "debug.h"
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static int bankd_handle_msg(struct bankd_client *bc, struct msgb *msg)
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{
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RsproPDU_t *pdu = rspro_dec_msg(msg);
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if (!pdu) {
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fprintf(stderr, "Error decoding PDU\n");
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return -1;
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}
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switch (pdu->msg.present) {
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case RsproPDUchoice_PR_connectClientRes:
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/* Store 'identity' of bankd to in peer_comp_id */
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rspro_comp_id_retrieve(&bc->peer_comp_id, &pdu->msg.choice.connectClientRes.identity);
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osmo_fsm_inst_dispatch(bc->bankd_fi, BDC_E_CLIENT_CONN_RES, pdu);
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break;
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default:
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fprintf(stderr, "Unknown/Unsuppoerted RSPRO PDU: %s\n", msgb_hexdump(msg));
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return -1;
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}
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return 0;
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}
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int bankd_read_cb(struct ipa_client_conn *conn, struct msgb *msg)
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{
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struct ipaccess_head *hh = (struct ipaccess_head *) msg->data;
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struct ipaccess_head_ext *he = (struct ipaccess_head_ext *) msgb_l2(msg);
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struct bankd_client *bc = conn->data;
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int rc;
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if (msgb_length(msg) < sizeof(*hh))
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goto invalid;
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msg->l2h = &hh->data[0];
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if (hh->proto != IPAC_PROTO_OSMO)
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goto invalid;
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if (!he || msgb_l2len(msg) < sizeof(*he))
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goto invalid;
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msg->l2h = &he->data[0];
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if (he->proto != IPAC_PROTO_EXT_RSPRO)
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goto invalid;
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printf("Received RSPRO %s\n", msgb_hexdump(msg));
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rc = bankd_handle_msg(bc, msg);
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return rc;
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invalid:
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msgb_free(msg);
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return -1;
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}
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static struct bankd_client *g_client;
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static void *g_tall_ctx;
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void __thread *talloc_asn1_ctx;
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int asn_debug;
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/* handle incoming messages from server */
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static int srvc_handle_rx(struct rspro_server_conn *srvc, const RsproPDU_t *pdu)
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{
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RsproPDU_t *resp;
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switch (pdu->msg.present) {
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case RsproPDUchoice_PR_connectClientRes:
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/* Store 'identity' of server in srvc->peer_comp_id */
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rspro_comp_id_retrieve(&srvc->peer_comp_id, &pdu->msg.choice.connectClientRes.identity);
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osmo_fsm_inst_dispatch(srvc->fi, SRVC_E_CLIENT_CONN_RES, (void *) pdu);
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break;
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case RsproPDUchoice_PR_configClientReq:
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/* store/set the clientID as instructed by the server */
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if (!g_client->clslot)
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g_client->clslot = talloc_zero(g_client, ClientSlot_t);
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*g_client->clslot = pdu->msg.choice.configClientReq.clientSlot;
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/* store/set the bankd ip/port as instructed by the server */
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osmo_talloc_replace_string(g_client, &g_client->bankd_host,
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rspro_IpAddr2str(&pdu->msg.choice.configClientReq.bankd.ip));
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g_client->bankd_port = ntohs(pdu->msg.choice.configClientReq.bankd.port);
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/* instruct bankd FSM to connect */
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osmo_fsm_inst_dispatch(g_client->bankd_fi, BDC_E_ESTABLISH, NULL);
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/* send response to server */
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resp = rspro_gen_ConfigClientRes(ResultCode_ok);
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ipa_client_conn_send_rspro(srvc->conn, resp);
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break;
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default:
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fprintf(stderr, "Unknown/Unsupported RSPRO PDU type: %u\n", pdu->msg.present);
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return -1;
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}
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return 0;
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}
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int main(int argc, char **argv)
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{
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struct rspro_server_conn *srvc;
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int rc;
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g_tall_ctx = talloc_named_const(NULL, 0, "global");
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g_client = talloc_zero(g_tall_ctx, struct bankd_client);
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srvc = &g_client->srv_conn;
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srvc->server_host = "localhost";
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srvc->server_port = 9998;
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srvc->handle_rx = srvc_handle_rx;
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srvc->own_comp_id.type = ComponentType_remsimClient;
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OSMO_STRLCPY_ARRAY(srvc->own_comp_id.name, "fixme-name");
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OSMO_STRLCPY_ARRAY(srvc->own_comp_id.software, "remsim-client");
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OSMO_STRLCPY_ARRAY(srvc->own_comp_id.sw_version, PACKAGE_VERSION);
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rc = server_conn_fsm_alloc(g_client, srvc);
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if (rc < 0) {
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fprintf(stderr, "Unable to create Server conn FSM: %s\n", strerror(errno));
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exit(1);
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}
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asn_debug = 0;
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osmo_init_logging2(g_tall_ctx, &log_info);
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if (bankd_conn_fsm_alloc(g_client) < 0) {
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fprintf(stderr, "Unable to connect: %s\n", strerror(errno));
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exit(1);
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}
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while (1) {
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osmo_select_main(0);
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}
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}
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