static int on_msgv ( struct pgm_msgv_t* msgv, /* an array of msgvs */ size_t len ) { g_message ("(%u bytes)", (unsigned)len); guint i = 0; /* for each apdu */ do { const struct pgm_sk_buff_t* pskb = msgv[i].msgv_skb[0]; gsize apdu_len = 0; for (unsigned j = 0; j < msgv[i].msgv_len; j++) apdu_len += msgv[i].msgv_skb[j]->len; /* truncate to first fragment to make GLib printing happy */ char buf[2048], tsi[PGM_TSISTRLEN]; const gsize buflen = MIN(sizeof(buf) - 1, pskb->len); strncpy (buf, (const char*)pskb->data, buflen); buf[buflen] = '\0'; pgm_tsi_print_r (&pskb->tsi, tsi, sizeof(tsi)); if (msgv[i].msgv_len > 1) g_message ("\t%u: \"%s\" ... (%" G_GSIZE_FORMAT " bytes from %s)", i, buf, apdu_len, tsi); else g_message ("\t%u: \"%s\" (%" G_GSIZE_FORMAT " bytes from %s)", i, buf, apdu_len, tsi); i++; len -= apdu_len; } while (len); return 0; }
static int on_data ( gpointer data, guint len, pgm_tsi_t* from ) { /* protect against non-null terminated strings */ char buf[1024], tsi[PGM_TSISTRLEN]; snprintf (buf, sizeof(buf), "%s", (char*)data); pgm_tsi_print_r (from, tsi, sizeof(tsi)); g_message ("\"%s\" (%i bytes from %s)", buf, len, tsi); return 0; }
static int on_data ( gconstpointer data, size_t len, struct pgm_sockaddr_t* from ) { /* protect against non-null terminated strings */ char buf[1024], tsi[PGM_TSISTRLEN]; const size_t buflen = MIN( sizeof(buf) - 1, len ); strncpy (buf, data, buflen); buf[buflen] = '\0'; pgm_tsi_print_r (&from->sa_addr, tsi, sizeof(tsi)); g_message ("\"%s\" (%u bytes from %s)", buf, (unsigned)len, tsi); return 0; }
static void session_set_fec ( char* session_name, guint block_size, guint group_size ) { /* check that session exists */ struct app_session* sess = g_hash_table_lookup (g_sessions, session_name); if (sess == NULL) { printf ("FAILED: session '%s' not found\n", session_name); return; } if (block_size > UINT8_MAX || group_size > UINT8_MAX) { puts ("FAILED: value out of bounds"); return; } const struct pgm_fecinfo_t fecinfo = { .block_size = block_size, .proactive_packets = 0, .group_size = group_size, .ondemand_parity_enabled = TRUE, .var_pktlen_enabled = TRUE }; if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_USE_FEC, &fecinfo, sizeof(fecinfo))) printf ("FAILED: set FEC = RS(%d, %d)\n", block_size, group_size); else puts ("READY"); } static void session_bind ( char* session_name ) { pgm_error_t* pgm_err = NULL; /* check that session exists */ struct app_session* sess = g_hash_table_lookup (g_sessions, session_name); if (sess == NULL) { printf ("FAILED: session '%s' not found\n", session_name); return; } /* Use RFC 2113 tagging for PGM Router Assist */ const int no_router_assist = 0; if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_IP_ROUTER_ALERT, &no_router_assist, sizeof(no_router_assist))) puts ("FAILED: disable IP_ROUTER_ALERT"); /* set PGM parameters */ const int send_and_receive = 0, active = 0, mtu = g_max_tpdu, txw_sqns = g_sqns, rxw_sqns = g_sqns, ambient_spm = pgm_secs (30), heartbeat_spm[] = { pgm_msecs (100), pgm_msecs (100), pgm_msecs (100), pgm_msecs (100), pgm_msecs (1300), pgm_secs (7), pgm_secs (16), pgm_secs (25), pgm_secs (30) }, peer_expiry = pgm_secs (300), spmr_expiry = pgm_msecs (250), nak_bo_ivl = pgm_msecs (50), nak_rpt_ivl = pgm_secs (2), nak_rdata_ivl = pgm_secs (2), nak_data_retries = 50, nak_ncf_retries = 50; g_assert (G_N_ELEMENTS(heartbeat_spm) > 0); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_SEND_ONLY, &send_and_receive, sizeof(send_and_receive))) puts ("FAILED: set bi-directional transport"); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_RECV_ONLY, &send_and_receive, sizeof(send_and_receive))) puts ("FAILED: set bi-directional transport"); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_PASSIVE, &active, sizeof(active))) puts ("FAILED: set active transport"); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_MTU, &mtu, sizeof(mtu))) printf ("FAILED: set MAX_TPDU = %d bytes\n", mtu); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_TXW_SQNS, &txw_sqns, sizeof(txw_sqns))) printf ("FAILED: set TXW_SQNS = %d\n", txw_sqns); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_RXW_SQNS, &rxw_sqns, sizeof(rxw_sqns))) printf ("FAILED: set RXW_SQNS = %d\n", rxw_sqns); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_AMBIENT_SPM, &ambient_spm, sizeof(ambient_spm))) printf ("FAILED: set AMBIENT_SPM = %ds\n", (int)pgm_to_secs (ambient_spm)); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_HEARTBEAT_SPM, &heartbeat_spm, sizeof(heartbeat_spm))) { char buffer[1024]; sprintf (buffer, "%d", heartbeat_spm[0]); for (unsigned i = 1; i < G_N_ELEMENTS(heartbeat_spm); i++) { char t[1024]; sprintf (t, ", %d", heartbeat_spm[i]); strcat (buffer, t); } printf ("FAILED: set HEARTBEAT_SPM = { %s }\n", buffer); } if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_PEER_EXPIRY, &peer_expiry, sizeof(peer_expiry))) printf ("FAILED: set PEER_EXPIRY = %ds\n",(int) pgm_to_secs (peer_expiry)); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_SPMR_EXPIRY, &spmr_expiry, sizeof(spmr_expiry))) printf ("FAILED: set SPMR_EXPIRY = %dms\n", (int)pgm_to_msecs (spmr_expiry)); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_NAK_BO_IVL, &nak_bo_ivl, sizeof(nak_bo_ivl))) printf ("FAILED: set NAK_BO_IVL = %dms\n", (int)pgm_to_msecs (nak_bo_ivl)); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_NAK_RPT_IVL, &nak_rpt_ivl, sizeof(nak_rpt_ivl))) printf ("FAILED: set NAK_RPT_IVL = %dms\n", (int)pgm_to_msecs (nak_rpt_ivl)); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_NAK_RDATA_IVL, &nak_rdata_ivl, sizeof(nak_rdata_ivl))) printf ("FAILED: set NAK_RDATA_IVL = %dms\n", (int)pgm_to_msecs (nak_rdata_ivl)); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_NAK_DATA_RETRIES, &nak_data_retries, sizeof(nak_data_retries))) printf ("FAILED: set NAK_DATA_RETRIES = %d\n", nak_data_retries); if (!pgm_setsockopt (sess->sock, IPPROTO_PGM, PGM_NAK_NCF_RETRIES, &nak_ncf_retries, sizeof(nak_ncf_retries))) printf ("FAILED: set NAK_NCF_RETRIES = %d\n", nak_ncf_retries); /* create global session identifier */ struct pgm_sockaddr_t addr; memset (&addr, 0, sizeof(addr)); addr.sa_port = g_port; addr.sa_addr.sport = 0; if (!pgm_gsi_create_from_hostname (&addr.sa_addr.gsi, &pgm_err)) { printf ("FAILED: pgm_gsi_create_from_hostname(): %s\n", (pgm_err && pgm_err->message) ? pgm_err->message : "(null)"); } { char buffer[1024]; pgm_tsi_print_r (&addr.sa_addr, buffer, sizeof(buffer)); printf ("pgm_bind (sock:%p addr:{port:%d tsi:%s} err:%p)\n", (gpointer)sess->sock, addr.sa_port, buffer, (gpointer)&pgm_err); } if (!pgm_bind (sess->sock, &addr, sizeof(addr), &pgm_err)) { printf ("FAILED: pgm_bind(): %s\n", (pgm_err && pgm_err->message) ? pgm_err->message : "(null)"); pgm_error_free (pgm_err); } else puts ("READY"); }