From c393675b5bc1bf3da82d28ecfe05a0a1a88667ed Mon Sep 17 00:00:00 2001 From: Mark Pizzolato Date: Thu, 8 Dec 2016 11:27:07 -0800 Subject: [PATCH] REMOTE_CONSOLE: Allow user selectable command output buffer size The output of remote console commands gets truncated at the configured buffer size. The default has been raised from 1400 to 8192. Common remote console usage is from the same host as the simulator and as such localhost TCP traffic is delivered in chunks at least 8192 so no extra packets will be involved in transporting the potential extra data and no transmission delays on the send() call. The minumum size is now 1400 (which was the prior default). --- doc/simh_doc.doc | Bin 266240 -> 270848 bytes scp.c | 3 +++ sim_console.c | 25 +++++++++++++++++++++++-- 3 files changed, 26 insertions(+), 2 deletions(-) diff --git a/doc/simh_doc.doc b/doc/simh_doc.doc index 2cb9a25a226da0ff2e04f82db65d03cab098f548..220cb871fe2958b69a4a4ece8114ba8e93004fc5 100644 GIT binary patch delta 24357 zcmc(n2YeO9*1%`?hLS)+E)Yr*APF5Iq}()`Gz(2Z=^X?Fq)8D)Az%ZQCaWxh1$|;c zswfwIJO!R8q9P!o^dcZ4RisG${^#!9+?Me8zV~?F<@dikbLLDtXJ&V1?vjb~qbGh5 zJu@XaLRZ!&TB%6F8nJ8FuU{8oA>xIh2o!~I-HhJgn6rFDgf>f$*OQwX74^!I=XEtF zx@~tMxt^(g?wYY z)ZrARzMxg_r;&#&^(cp8R0FQ^xxqClPoWB-7K@cyNzUs_m6|}jHwDBP?etO++q_Mj zmQJ)xlGH38`#LS%ird%T3ymv|in(^ftwgIsyNHaTTo>1uTUaT8St5F2^e~H~p^FOt#xpkg{Zo3Zuez@PuwQS*Ewlo&LU6gk3S-_PD!oLYYUOY`0ZL zfahb&jmApt#A7GlQ>v{uO)k}FU}>)Jb8Wy?JS?9^lrMVYmwBRUC~c_Wjn7xgp{Bnt z4Y{YOtzfD7EFuk@gV64reYGuM$ET&6FFvYOOY+67lI*y6SU$ZMdi3;{TX?QHc6#vD 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telnet port\n" "+set remote NOTELNET disables remote console\n" + "+set remote BUFFERSIZE=bufsize\n" + "++++++++ specify remote console command output buffer\n" + "++++++++ size\n" "+set remote CONNECTIONS=n specify number of concurrent remote\n" "++++++++ console sessions\n" "+set remote TIMEOUT=n specify number of seconds without input\n" diff --git a/sim_console.c b/sim_console.c index 5beebbea..27ac57f4 100644 --- a/sim_console.c +++ b/sim_console.c @@ -147,6 +147,7 @@ static t_stat sim_os_ttclose (void); static t_bool sim_os_ttisatty (void); static t_stat sim_set_rem_telnet (int32 flag, CONST char *cptr); +static t_stat sim_set_rem_bufsize (int32 flag, CONST char *cptr); static t_stat sim_set_rem_connections (int32 flag, CONST char *cptr); static t_stat sim_set_rem_timeout (int32 flag, CONST char *cptr); static t_stat sim_set_rem_master (int32 flag, CONST char *cptr); @@ -281,6 +282,7 @@ static CTAB set_con_tab[] = { static CTAB set_rem_con_tab[] = { { "CONNECTIONS", &sim_set_rem_connections, 0 }, { "TELNET", &sim_set_rem_telnet, 1 }, + { "BUFFERSIZE", &sim_set_rem_bufsize, 1 }, { "NOTELNET", &sim_set_rem_telnet, 0 }, { "TIMEOUT", &sim_set_rem_timeout, 0 }, { "MASTER", &sim_set_rem_master, 1 }, @@ -471,8 +473,10 @@ if (sim_rem_read_timeout) fprintf (st, "Remote Console Input automatically continues after %d seconds\n", sim_rem_read_timeout); if (!sim_rem_con_tmxr.master) fprintf (st, "Remote Console Command input is disabled\n"); -else +else { fprintf (st, "Remote Console Command Input listening on TCP port: %s\n", sim_rem_con_unit[0].filename); + fprintf (st, "Remote Console Per Command Output buffer size: %d bytes\n", sim_rem_con_tmxr.buffered); + } for (i=connections=0; iconn) @@ -1126,7 +1130,7 @@ if (flag) { sim_set_rem_telnet (0, NULL); /* close first */ if (sim_rem_con_tmxr.lines == 0) /* Ir no connection limit set */ sim_set_rem_connections (0, "1"); /* use 1 */ - sim_rem_con_tmxr.buffered = 1400; /* Use big enough buffers */ + sim_rem_con_tmxr.buffered = 8192; /* Use big enough buffers */ sim_register_internal_device (&sim_remote_console); r = tmxr_attach (&sim_rem_con_tmxr, &sim_rem_con_unit[0], cptr);/* open master socket */ if (r == SCPE_OK) @@ -1202,6 +1206,23 @@ else return SCPE_OK; } +static t_stat sim_set_rem_bufsize (int32 flag, CONST char *cptr) +{ +char cmdbuf[CBUFSIZE]; +int32 bufsize; +t_stat r; + +if (cptr == NULL) + return SCPE_ARG; +bufsize = (int32) get_uint (cptr, 10, 32768, &r); +if (r != SCPE_OK) + return r; +if (bufsize < 1400) + return sim_messagef (SCPE_ARG, "%d is too small. Minimum size is 1400\n", bufsize); +sprintf(cmdbuf, "BUFFERED=%d", bufsize); +return tmxr_open_master (&sim_rem_con_tmxr, cmdbuf); /* open master socket */ +} + /* Enable or disable Remote Console master mode */ /* In master mode, commands are subsequently processed from the