FreeCalypso > hg > freecalypso-tools
view rvinterf/asyncshell/pktsort.c @ 605:5b286f910148
CHANGES: scripts addition documented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 10 Feb 2020 03:55:13 +0000 |
parents | bbc41034f14c |
children | 31a36b400cdf |
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/* * Here we sort out incoming packets from the target relayed via rvinterf. */ #include <sys/types.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include "pktmux.h" #include "limits.h" #include "localsock.h" #include "localtypes.h" #include "exitcodes.h" extern u_char rvi_msg[]; extern int rvi_msg_len; extern int oneshot_mode; static void process_rvt() { u32 useid; if (rvi_msg_len < 7) { tty_cleanup(); fprintf(stderr, "Error: rvinterf sent us an invalid RVT msg\n"); exit(ERROR_RVINTERF); } useid = rvi_msg[2] << 24 | rvi_msg[3] << 16 | rvi_msg[4] << 8 | rvi_msg[5]; switch (useid) { case 0: handle_useid_0(); return; default: tty_cleanup(); fprintf(stderr, "unexpected fwd of USEID %08X from rvinterf\n", useid); exit(ERROR_RVINTERF); } } static void gpf_packet_rx() { char fmtbuf[MAX_PKT_FROM_TARGET*8]; /* size it generously */ format_g23_packet(rvi_msg + 1, rvi_msg_len - 1, fmtbuf); async_msg_output(fmtbuf); } static void response_from_ati() { char buf[MAX_PKT_FROM_TARGET*4+2]; strcpy(buf, "ATI: "); safe_print_trace(rvi_msg + 2, rvi_msg_len - 2, buf + 5); async_msg_output(buf); if (oneshot_mode) oneshot_at_check_response(); } void process_pkt_from_target() { switch (rvi_msg[1]) { case RVT_RV_HEADER: process_rvt(); return; case RVT_L23_HEADER: gpf_packet_rx(); return; case RVT_AT_HEADER: response_from_ati(); return; case RVT_TCH_HEADER: tch_packet_rx(); return; default: tty_cleanup(); fprintf(stderr, "unexpected fwd of MUX %02X from rvinterf\n", rvi_msg[1]); exit(ERROR_RVINTERF); } }