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