149 lines
3.4 KiB
C
149 lines
3.4 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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struct bankd_client {
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/* connection to the remsim-server (control) */
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struct ipa_client_conn *srv_conn;
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/* our own component ID */
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struct app_comp_id own_comp_id;
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/* connection to the remsim-bankd */
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char *bankd_host;
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uint16_t bankd_port;
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struct ipa_client_conn *bankd_conn;
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};
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static void bankd_send(struct bankd_client *bc, struct msgb *msg_tx)
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{
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ipa_prepend_header_ext(msg_tx, IPAC_PROTO_EXT_RSPRO);
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ipa_msg_push_header(msg_tx, IPAC_PROTO_OSMO);
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ipa_client_conn_send(bc->bankd_conn, msg_tx);
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/* msg_tx is now queued and will be freed. */
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}
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static void bankd_send_rspro(struct bankd_client *bc, RsproPDU_t *rspro)
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{
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struct msgb *msg = rspro_enc_msg(rspro);
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OSMO_ASSERT(msg);
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bankd_send(bc, msg);
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}
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static void bankd_updown_cb(struct ipa_client_conn *conn, int up)
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{
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struct bankd_client *bc = conn->data;
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printf("RSPRO link to %s:%d %s\n", conn->addr, conn->port, up ? "UP" : "DOWN");
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if (!up)
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exit(3);
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else {
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const ClientSlot_t clslot = { .clientId = 23, .slotNr = 1 };
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RsproPDU_t *pdu = rspro_gen_ConnectClientReq(&bc->own_comp_id, &clslot);
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bankd_send_rspro(bc, pdu);
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}
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}
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static 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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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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/* FIXME: do something */
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printf("Received RSPRO %s\n", msgb_hexdump(msg));
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msgb_free(msg);
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return 0;
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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 const struct log_info_cat default_categories[] = {
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};
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static const struct log_info log_info = {
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.cat = default_categories,
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.num_cat = ARRAY_SIZE(default_categories),
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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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extern int asn_debug;
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int main(int argc, char **argv)
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{
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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.bankd_host = "localhost";
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g_client.bankd_port = 9999;
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g_client.own_comp_id.type = ComponentType_remsimClient;
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OSMO_STRLCPY_ARRAY(g_client.own_comp_id.name, "fixme-name");
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OSMO_STRLCPY_ARRAY(g_client.own_comp_id.software, "remsim-client");
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OSMO_STRLCPY_ARRAY(g_client.own_comp_id.sw_version, PACKAGE_VERSION);
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//asn_debug = 1;
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osmo_init_logging2(g_tall_ctx, &log_info);
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g_client.bankd_conn = ipa_client_conn_create(g_tall_ctx, NULL, 0,
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g_client.bankd_host, g_client.bankd_port,
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bankd_updown_cb, bankd_read_cb,
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NULL, &g_client);
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if (!g_client.bankd_conn) {
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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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rc = ipa_client_conn_open(g_client.bankd_conn);
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if (rc < 0) {
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fprintf(stderr, "Unable to connect RSPRO to %s:%d - %s\n",
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g_client.bankd_conn->addr, g_client.bankd_conn->port, strerror(errno));
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return 0;
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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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