mirror of
https://github.com/ChronosX88/psyced.git
synced 2024-12-05 00:22:19 +00:00
spyc: use libpsyc for parsing & rendering
This commit is contained in:
Gabor Adam Toth
parent
a21b0024ef
commit
ffabd7af08
@ -1,9 +1,18 @@
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#ifndef LPC_LIBPSYC_H
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#define LPC_LIBPSYC_H 1
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# define LPC_LIBPSYC_H 1
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#define PACKET_ROUTING 0 // 2-dimensional mapping of routing modifiers
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#define PACKET_ENTITY 1 // 2-dimensional mapping of entity modifiers
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#define PACKET_METHOD 2 // PSYC method string
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#define PACKET_BODY 3 // packet body.. possibly binary data
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# define PACKET_ROUTING 0 // 2-dimensional mapping of routing modifiers
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# define PACKET_ENTITY 1 // 2-dimensional mapping of entity modifiers
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# define PACKET_METHOD 2 // PSYC method string
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# define PACKET_BODY 3 // packet body.. possibly binary data
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// error codes returned by psyc_parse
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# define PSYC_PARSE_ERROR_AMOUNT 1
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# define PSYC_PARSE_ERROR_DEGREE 2
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# define PSYC_PARSE_ERROR_DATE 3
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# define PSYC_PARSE_ERROR_TIME 4
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# define PSYC_PARSE_ERROR_FLAG 5
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# define PSYC_PARSE_ERROR_LIST 6
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# define PSYC_PARSE_ERROR_LIST_TOO_LARGE 7
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#endif
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@ -15,6 +15,8 @@
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#else
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# define C_GLYPH_PACKET_DELIMITER '.'
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# define S_GLYPH_PACKET_DELIMITER "."
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# define C_GLYPH_NEW_PACKET_DELIMITER '|'
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# define S_GLYPH_NEW_PACKET_DELIMITER "|"
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#endif
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#define C_GLYPH_SEPARATOR_KEYWORD '_'
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@ -1113,6 +1113,19 @@ protected int deliver(mixed ip, string host, string mc, string buffer, mapping c
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return 1;
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}
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void peek(string data) {
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P4((">> peek: %O\n", data));
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#ifdef USE_SPYC
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if (data[0] == C_GLYPH_NEW_PACKET_DELIMITER) {
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# if __EFUN_DEFINED__(enable_binary)
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enable_binary(ME);
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# else
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raise_error("Driver compiled without enable_binary()");
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# endif
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}
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#endif
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}
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#ifdef PSYC_TCP
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vamixed startParse(string a) {
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if (a == ".") { // old S_GLYPH_PACKET_DELIMITER
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@ -1121,7 +1134,7 @@ vamixed startParse(string a) {
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}
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// new syntax is so broken, we should not pretend to support it yet FIXME
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# if defined(SPYC_PATH) && defined(USE_SPYC)
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else if (a == "|") { // new S_GLYPH_PACKET_DELIMITER
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else if (a[0] == C_GLYPH_NEW_PACKET_DELIMITER) {
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object o = clone_object(SPYC_PATH "server");
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unless (o && exec(o, ME) && o->logon(0)) {
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croak("_failure_object_creation_server",
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@ -1129,7 +1142,7 @@ vamixed startParse(string a) {
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QUIT
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}
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// if (isServer()) o->greet();
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o->feed("|\n");
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o->feed(a);
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return 1;
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}
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# endif
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@ -26,6 +26,7 @@ static int build_header(string key, mixed val, mapping vars) {
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key, routeMe, routeMe & PSYC_ROUTING_RENDER))
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if ((routeMe &&! (routeMe & PSYC_ROUTING_RENDER))
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|| abbrev("_INTERNAL", key)) return -1;
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P2(("build_header(%O, %O) into %s vars\n", key, val,
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routeMe ? "routing" : "entity"))
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if (key[0] == '_') key = ":"+key;
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@ -143,7 +144,9 @@ static varargs string render_psyc(mixed source, string mc, mixed data,
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// vaobject obj, vastring target, vaint hascontext)
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P4(("%O render_psyc %O for %O\n", ME, vars, previous_object()))
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string t, context;
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mapping rvars = ([ ]);
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int needLen = 0;
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mixed key, val;
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#ifndef NEW_LINE
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int excessiveNewline = 0;
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#endif
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@ -247,41 +250,63 @@ static varargs string render_psyc(mixed source, string mc, mixed data,
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context = vars["_context"];
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# endif
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if (context) {
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rbuf += "\n:_context\t"+ UNIFORM(context);
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rvars["_context"] = UNIFORM(context);
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t = source || vars["_source_relay"];
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if (t) rbuf += "\n:_source_relay\t"+ UNIFORM(t);
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if (t) rvars["_source_relay"] = UNIFORM(t);
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// resend of /history transmitted according to spec:
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if (showingLog && target) rbuf += "\n:_target\t"+ target;
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if (showingLog && target) rvars["_target"] = target;
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// usually the same as context or a different channel of
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// context or the actual recipient of a multicast
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// ... not interesting in any case
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//else if (target) rbuf += "\n:_target_relay\t"+ target;
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} else {
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if (source) rbuf += "\n:_source\t"+ UNIFORM(source);
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if (target) rbuf += "\n:_target\t"+ target;
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if (source) rvars["_source"] = UNIFORM(source);
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if (target) rvars["_target"] = target;
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// this is necessary for message forwarding ( /set id )
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if (t = vars["_source_relay"])
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rbuf += "\n:_source_relay\t"+ UNIFORM(t);
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rvars["_source_relay"] = UNIFORM(t);
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}
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#endif /* NEW_RENDER */
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if (mappingp(vars)) {
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#ifdef LIBPSYC
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int routeMe = 0;
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mapping evars = ([ ]);
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if (mappingp(vars))
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mapeach (key, val, vars) {
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routeMe = isRouting[key];
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if ((routeMe &&! (routeMe & PSYC_ROUTING_RENDER))
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|| abbrev("_INTERNAL", key))
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continue;
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if (routeMe)
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rvars[key] = val;
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else
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evars[key] = val;
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}
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return psyc_render(({ rvars, evars, mc, data }));
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#endif
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if (mappingp(vars))
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vars = vars + rvars;
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else
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vars = rvars;
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#if 0 //ndef EXPERIMENTAL
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if (member(vars, "_count"))
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ebuf += "\n:_count\t" + vars["_count"];
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if (member(vars, "_count"))
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ebuf += "\n:_count\t" + vars["_count"];
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#endif
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#if __EFUN_DEFINED__(walk_mapping)
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// walk_mapping could be rewritten into foreach, but thats work
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walk_mapping(vars, #'build_header, vars);
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// walk_mapping could be rewritten into foreach, but thats work
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walk_mapping(vars, #'build_header, vars);
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#else // PIKE, MudOS...
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mixed key, val;
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mapeach(key, val, vars) {
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build_header(key, val, vars);
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}
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#endif
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mapeach(key, val, vars) {
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build_header(key, val, vars);
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}
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if (data == "") ebuf += "\n"+ mc;
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#endif
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if (data == "") ebuf += "\n"+ mc;
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else ebuf += "\n"+ mc + "\n"+ data;
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#ifdef SPYC // || MODULE_LENGTH
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@ -2,9 +2,10 @@
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// $Id: circuit.c,v 1.38 2008/10/14 19:02:29 lynx Exp $
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#include "psyc.h"
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#include "../psyc/circuit.c"
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#if 0 // first we get the syntax running, then we'll think of new features:
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#ifdef USE_PSYC
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# include "../psyc/circuit.c"
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#else
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#include <net.h>
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#include <uniform.h>
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@ -35,7 +36,7 @@ volatile string netloc;
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return 0; \
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}
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mapping instate;
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mapping instate = ([ ]);
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mapping outstate;
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mapping legal_senders;
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@ -51,6 +52,14 @@ void runQ();
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int isServer() { return 0; }
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void peek(string data) {
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#if __EFUN_DEFINED__(enable_binary)
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enable_binary(ME);
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#else
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raise_error("Driver compiled without enable_binary()");
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#endif
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}
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void feed(string data) {
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input_to(#'feed, INPUT_IGNORE_BANG);
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::feed(data);
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@ -91,7 +100,7 @@ void sender_verification(array(string) sourcehosts, array(string) targethosts)
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int logon(int failure) {
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sAuthHosts(([ ])); // reset authhosts
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legal_senders = ([ ]);
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instate = ([ "_INTERNAL_origin" : ME]);
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instate = ([ "_INTERNAL_origin" : ME ]);
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outstate = ([ ]);
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#ifdef __TLS__
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mixed cert;
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@ -145,11 +154,6 @@ int logon(int failure) {
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peerip = query_ip_number(ME) || "127.0.0.1";
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#if __EFUN_DEFINED__(enable_binary)
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enable_binary(ME);
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#else
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# echo Driver compiled without enable_binary() - PSYC functionality warning!
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#endif
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input_to(#'feed, INPUT_IGNORE_BANG);
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call_out(#'quit, 90);
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@ -202,37 +206,6 @@ first_response() {
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emit("|\n");
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}
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// processes routing header variable assignments
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// basic version does no state
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mapping process_header(mixed varops) {
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mapping vars = ([ ]);
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foreach(mixed vop : varops) {
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string vname = vop[0];
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switch(vop[1]) {
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case C_GLYPH_MODIFIER_ASSIGN:
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instate[vname] = vop[2];
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// fall thru
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case C_GLYPH_MODIFIER_SET:
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vars[vname] = vop[2];
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break;
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case C_GLYPH_MODIFIER_AUGMENT:
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case C_GLYPH_MODIFIER_DIMINISH:
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case C_GLYPH_MODIFIER_QUERY:
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CIRCUITERROR("header modifier with glyph other than ':', this is not implemented")
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break;
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default:
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CIRCUITERROR("header modifier with unknown glyph")
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break;
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}
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// FIXME: not every legal varname is a mmp varname
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// look at shared_memory("routing")
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if (!legal_keyword(vname) || abbrev("_INTERNAL", vname)) {
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CIRCUITERROR("illegal varname in header")
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}
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}
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return vars;
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}
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#define PSYC_TCP
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#include "dispatch.i"
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@ -329,4 +302,4 @@ varargs int msg(string source, string mc, string data,
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return emit(buf);
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}
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#endif // 0
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#endif // USE_PSYC
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@ -1,2 +1,3 @@
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#include "../psyc/common.h"
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#ifdef USE_PSYC
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# include "../psyc/common.h"
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#endif
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@ -1,34 +1,161 @@
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#if 0 // first we get the syntax running, then we'll think of new features:
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// included by TCP circuit *and* UDP daemon // vim:syntax=lpc
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void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
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// processes routing header variable assignments
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// basic version does no state
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mixed process_routing_modifiers(mapping rvars, mapping vars) {
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if (!mappingp(instate)) // no routing state for udp
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return;
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foreach (mixed vname : m_indices(rvars)) {
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if (!isRouting[vname]) {
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CIRCUITERROR("illegal varname in routing header")
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}
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switch (rvars[vname, 1]) {
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case C_GLYPH_MODIFIER_ASSIGN:
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// TODO: delete if empty?
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instate[vname] = rvars[vname];
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// fall thru
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case C_GLYPH_MODIFIER_SET:
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vars[vname] = rvars[vname];
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break;
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case C_GLYPH_MODIFIER_AUGMENT:
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case C_GLYPH_MODIFIER_DIMINISH:
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case C_GLYPH_MODIFIER_QUERY:
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CIRCUITERROR("header modifier with glyph other than ':' or '=', this is not implemented")
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break;
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default:
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CIRCUITERROR("header modifier with unknown glyph")
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break;
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}
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}
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vars += instate;
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return 1;
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}
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mixed process_entity_modifiers(mapping evars, mapping vars, mapping cstate) {
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// apply evars to context state
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foreach (mixed vname : m_indices(evars)) {
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if (isRouting[vname] || abbrev("_INTERNAL", vname)
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#ifndef LIBPSYC
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|| !legal_keyword(vname)
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#endif
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) {
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DISPATCHERROR("illegal varname in entity header")
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}
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if (!mappingp(cstate) && evars[vname, 1] != C_GLYPH_MODIFIER_SET) {
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DISPATCHERROR("entity modifier with glyph other than ':' and there's no _context set")
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}
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switch (evars[vname, 1]) { // the glyph
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case C_GLYPH_MODIFIER_ASSIGN:
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// TODO: delete if empty?
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cstate[vname] = evars[vname];
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// fall thru
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case C_GLYPH_MODIFIER_SET:
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vars[vname] = evars[vname];
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break;
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case C_GLYPH_MODIFIER_AUGMENT:
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if (!abbrev("_list", vname)) {
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DISPATCHERROR("psyc modifier + with non-list arg")
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}
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// FIXME: duplicates?
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cstate[vname] += evars[vname];
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PT(("current state is %O, augment %O\n", cstate[vname], evars[vname]))
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break;
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case C_GLYPH_MODIFIER_DIMINISH:
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if (!abbrev("_list", vname)) {
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DISPATCHERROR("psyc modifier + with non-list arg")
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}
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PT(("current state is %O, diminish %O\n", cstate[vname], evars[vname]))
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foreach(mixed item : evars[vname])
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cstate[vname] -= ({ item });
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PT(("after dim: %O\n", cstate[vname]))
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break;
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case C_GLYPH_MODIFIER_QUERY:
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DISPATCHERROR("psyc modifier ? not implemented")
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}
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}
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if (mappingp(cstate))
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vars += cstate;
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return 1;
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}
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mixed process_var_types(mapping evars) {
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string family;
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int glyph;
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// FIXME: i dont like this block... maybe we decode each variable
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// when setting it?
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// that would also fit with 0 as varname deletion
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// below
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foreach (mixed vname : m_indices(evars)) {
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// psyc type conversion implementation ( http://about.psyc.eu/Type )
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// this does not support register_type() yet, but it is feasible
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PSYC_TRY(vname) {
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case "_uniform":
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case "_page":
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case "_entity":
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if (!parse_uniform(evars[vname]))
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croak("_error_illegal_uniform");
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break;
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case "_nick":
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if (!legal_name(evars[vname]))
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croak("_error_illegal_nick");
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break;
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#ifndef LIBPSYC
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case "_degree":
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// only honour the first digit
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if (strlen(evars[vname]) && evars[vname][0] >= '0' && evars[vname][0] <= '9')
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evars[vname] = evars[vname][0] - '0';
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else {
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PT(("type parser _degree: could not handle value %O\n",
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evars[vname]))
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evars[vname] = 0;
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}
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break;
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case "_date":
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evars[vname] = to_int(evars[vname]) + PSYC_EPOCH;
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break;
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case "_time":
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case "_amount":
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evars[vname] = to_int(evars[vname]);
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break;
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case "_list":
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mixed plist = list_parse(evars[vname]);
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if (plist == -1) {
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DISPATCHERROR("could not parse list");
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}
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evars[vname] = plist;
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break;
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#endif
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PSYC_SLICE_AND_REPEAT
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}
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}
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return 1;
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}
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void dispatch(mapping rvars, mapping evars, mixed method, mixed body) {
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string vname;
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mixed vop; // value operation
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string t;
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mapping vars;
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string family;
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int glyph;
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mapping vars = ([ ]);
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PT((">> dispatch(%O, %O, %O, %O)\n", rvars, evars, method, body))
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// check that method is a valid keyword
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if (method && !legal_keyword(method)) {
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DISPATCHERROR("non legal method");
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}
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#ifdef PSYC_TCP
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// copy() + occasional double modifier ops should be more
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// efficient than merge at every packet --lynX
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// no one cares about "efficiency" here. please proof your
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// bold statements with benchmarks anyway
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vars = header_vars + instate;
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#else
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vars = header_vars;
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#endif
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// FIXME: this can happen earlier, e.g. in parse.c after
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// process_header
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// check _source/_context
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// this check can be skipped if _source and _context are empty
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if ((t = vars["_context"] || vars["_source"])) {
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if ((t = rvars["_context"] || rvars["_source"])) {
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array(mixed) u;
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unless (u = parse_uniform(t)) {
|
||||
DISPATCHERROR("logical source is not a uniform\n")
|
||||
@ -43,8 +170,17 @@ void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
||||
# endif
|
||||
#endif
|
||||
}
|
||||
|
||||
if (!process_routing_modifiers(rvars, vars))
|
||||
return;
|
||||
|
||||
#ifndef LIBPSYC
|
||||
if (!process_var_types(evars))t
|
||||
return;
|
||||
#endif
|
||||
|
||||
// check that _target is hosted by us
|
||||
// this check can be skipped if _target is not set
|
||||
// this check can be skipped if _target is not set
|
||||
if ((t = vars["_target"])) {
|
||||
array(mixed) u;
|
||||
unless (u = parse_uniform(t)) {
|
||||
@ -55,51 +191,6 @@ void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
||||
DISPATCHERROR("target is not configured on this server\n")
|
||||
}
|
||||
}
|
||||
// FIXME: i dont like this block... maybe we decode each variable
|
||||
// when setting it?
|
||||
// that would also fit with 0 as varname deletion
|
||||
// below
|
||||
foreach(vop : varops) {
|
||||
vname = vop[0];
|
||||
|
||||
// psyc type conversion implementation ( http://about.psyc.eu/Type )
|
||||
// this does not support register_type() yet, but it is feasible
|
||||
PSYC_TRY(vname) {
|
||||
case "_uniform":
|
||||
case "_page":
|
||||
case "_entity":
|
||||
// TODO: check legal uniform
|
||||
break;
|
||||
case "_nick":
|
||||
// TODO: check legal nick
|
||||
break;
|
||||
case "_degree":
|
||||
// only honour the first digit
|
||||
if (strlen(vop[2]) && vop[2][0] >= '0' && vop[2][0] <= '9')
|
||||
vop[2] = vop[2][0] - '0';
|
||||
else {
|
||||
PT(("type parser _degree: could not handle value %O\n",
|
||||
vop[2]))
|
||||
vop[2] = 0;
|
||||
}
|
||||
break;
|
||||
case "_date":
|
||||
vop[2] = to_int(vop[2]) + PSYC_EPOCH;
|
||||
break;
|
||||
case "_time":
|
||||
case "_amount":
|
||||
vop[2] = to_int(vop[2]);
|
||||
break;
|
||||
case "_list":
|
||||
mixed plist = list_parse(vop[2]);
|
||||
if (plist == -1) {
|
||||
DISPATCHERROR("could not parse list");
|
||||
}
|
||||
vop[2] = plist;
|
||||
break;
|
||||
PSYC_SLICE_AND_REPEAT
|
||||
}
|
||||
}
|
||||
|
||||
// FIXME deliver packet
|
||||
// this should be a separate function
|
||||
@ -108,7 +199,7 @@ void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
||||
// delivery rules as usual, but
|
||||
if (vars["_context"]) {
|
||||
mixed context;
|
||||
mixed context_state;
|
||||
mixed cstate;
|
||||
mixed source, target;
|
||||
|
||||
if (vars["_source"]) {
|
||||
@ -122,48 +213,13 @@ void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
||||
P0(("context %O not found?!\n", vars["_context"]))
|
||||
return;
|
||||
}
|
||||
context_state = context->get_state();
|
||||
|
||||
// apply varops to context state
|
||||
foreach(vop : varops) {
|
||||
vname = vop[0];
|
||||
if (!legal_keyword(vname) || abbrev("_INTERNAL", vname)) {
|
||||
DISPATCHERROR("illegal varname in psyc")
|
||||
}
|
||||
|
||||
switch(vop[1]) { // the glyph
|
||||
case C_GLYPH_MODIFIER_SET:
|
||||
vars[vname] = vop[2];
|
||||
break;
|
||||
case C_GLYPH_MODIFIER_ASSIGN:
|
||||
vars[vname] = context_state[vname] = vop[2];
|
||||
break;
|
||||
case C_GLYPH_MODIFIER_AUGMENT:
|
||||
if (!abbrev("_list", vname)) {
|
||||
DISPATCHERROR("psyc modifier + with non-list arg")
|
||||
}
|
||||
// FIXME: duplicates?
|
||||
context_state[vname] += vop[2];
|
||||
PT(("current state is %O, augment %O\n", context_state[vname], vop[2]))
|
||||
break;
|
||||
case C_GLYPH_MODIFIER_DIMINISH:
|
||||
if (!abbrev("_list", vname)) {
|
||||
DISPATCHERROR("psyc modifier + with non-list arg")
|
||||
}
|
||||
PT(("current state is %O, diminish %O\n", context_state[vname], vop[2]))
|
||||
foreach(mixed item : vop[2])
|
||||
context_state[vname] -= ({ item });
|
||||
PT(("after dim: %O\n", context_state[vname]))
|
||||
break;
|
||||
case C_GLYPH_MODIFIER_QUERY:
|
||||
DISPATCHERROR("psyc modifier ? not implemented")
|
||||
break;
|
||||
}
|
||||
}
|
||||
vars = vars + context_state;
|
||||
cstate = context->get_state();
|
||||
process_entity_modifiers(evars, vars, cstate);
|
||||
// FIXME: is it legal to do this if this has _target?
|
||||
// there should be no mods then anyway
|
||||
context->commit_state(context_state);
|
||||
// It can have only entity vars, so no _target.
|
||||
context->commit_state(cstate);
|
||||
|
||||
if (vars["_target"]) {
|
||||
// FIXME: delivery copycat from below
|
||||
@ -200,6 +256,8 @@ void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
||||
}
|
||||
}
|
||||
} else {
|
||||
process_entity_modifiers(evars, vars, 0);
|
||||
|
||||
if (!vars["_target"] && !vars["_source"]) {
|
||||
#ifdef PSYC_TCP
|
||||
circuit_msg(method, vars, body);
|
||||
@ -241,7 +299,5 @@ void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
||||
}
|
||||
}
|
||||
}
|
||||
::dispatch(header_vars, varops, method, body);
|
||||
::dispatch(rvars, evars, method, body);
|
||||
}
|
||||
|
||||
#endif // 0
|
||||
|
||||
@ -1,59 +1,24 @@
|
||||
#if 0 // first we get the syntax running, then we'll think of new features:
|
||||
|
||||
// vim:foldmethod=marker:syntax=lpc:noexpandtab
|
||||
// $Id: parse.c,v 1.30 2008/12/18 18:16:14 lynx Exp $
|
||||
//
|
||||
|
||||
#ifndef USE_PSYC
|
||||
|
||||
#include "psyc.h"
|
||||
#include <net.h>
|
||||
#include <input_to.h>
|
||||
|
||||
private string buffer;
|
||||
int state;
|
||||
int may_parse_more;
|
||||
|
||||
#if __EFUN_DEFINED__(psyc_parse)
|
||||
# echo ___ using libpsyc!
|
||||
|
||||
void parser_init() {
|
||||
if (state != PSYCPARSE_STATE_BLOCKED)
|
||||
state = PSYCPARSE_STATE_HEADER;
|
||||
buffer = "";
|
||||
}
|
||||
|
||||
// called when a complete packet has arrived
|
||||
void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
||||
parser_init();
|
||||
}
|
||||
|
||||
// input data to the buffer
|
||||
void feed(string data) {
|
||||
# ifdef _flag_log_sockets_SPYC
|
||||
log_file("RAW_SPYC", "» %O\n%s\n", ME, data);
|
||||
# endif
|
||||
buffer += data;
|
||||
|
||||
if (data == "|\n") {
|
||||
mixed p = psyc_parse(buffer);
|
||||
if (pointerp(p) && sizeof(p) == 4)
|
||||
dispatch(p[0], p[1], p[2], p[3]);
|
||||
else {
|
||||
P1(("psyc_parse(%O) returned %O\n", buffer, p))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
mixed list_parse(string val) {
|
||||
return 0; // TBD
|
||||
}
|
||||
|
||||
#else /* !libpsyc */
|
||||
|
||||
#ifndef LIBPSYC
|
||||
private string body_buffer;
|
||||
int body_len;
|
||||
int may_parse_more;
|
||||
|
||||
// tempoary used to hold assigment lists vname -> ({ glyph, state, vvalue })
|
||||
array(mixed) tvars;
|
||||
mapping hvars;
|
||||
#endif
|
||||
|
||||
// being faded out in favor of regular croak()
|
||||
#define PARSEERROR(reason) { \
|
||||
@ -73,6 +38,10 @@ mapping hvars;
|
||||
|
||||
step(); // prototype
|
||||
|
||||
// overload this as needed
|
||||
varargs mixed croak(string mc, string data, vamapping vars) { return 0; }
|
||||
|
||||
#ifndef LIBPSYC
|
||||
// reset parser state
|
||||
void parser_reset() {
|
||||
if (state != PSYCPARSE_STATE_BLOCKED)
|
||||
@ -83,37 +52,81 @@ void parser_reset() {
|
||||
tvars = ({ });
|
||||
hvars = ([ ]);
|
||||
}
|
||||
#endif
|
||||
|
||||
// initialize the parser
|
||||
void parser_init() {
|
||||
buffer = "";
|
||||
# ifndef LIBPSYC
|
||||
parser_reset();
|
||||
# endif
|
||||
buffer = "";
|
||||
state = PSYCPARSE_STATE_GREET; // AFTER reset
|
||||
}
|
||||
|
||||
// input data to the buffer
|
||||
void feed(string data) {
|
||||
P4((">> feed: %O\n", data));
|
||||
# ifdef _flag_log_sockets_SPYC
|
||||
log_file("RAW_SPYC", "» %O\n%s\n", ME, data);
|
||||
# endif
|
||||
|
||||
buffer += data;
|
||||
|
||||
# ifndef LIBPSYC
|
||||
do {
|
||||
may_parse_more = 0;
|
||||
step();
|
||||
} while (may_parse_more);
|
||||
|
||||
# else
|
||||
if (state != PSYCPARSE_STATE_HEADER)
|
||||
step();
|
||||
|
||||
if (state == PSYCPARSE_STATE_HEADER) {
|
||||
switch (psyc_parse(buffer)) {
|
||||
case 0: // success
|
||||
break;
|
||||
case PSYC_PARSE_ERROR_AMOUNT:
|
||||
croak("_error_invalid_amount");
|
||||
QUIT
|
||||
case PSYC_PARSE_ERROR_DEGREE:
|
||||
croak("_error_invalid_degree");
|
||||
QUIT
|
||||
case PSYC_PARSE_ERROR_DATE:
|
||||
croak("_error_invalid_date");
|
||||
QUIT
|
||||
case PSYC_PARSE_ERROR_TIME:
|
||||
croak("_error_invalid_time");
|
||||
QUIT
|
||||
case PSYC_PARSE_ERROR_FLAG:
|
||||
croak("_error_invalid_flag");
|
||||
QUIT
|
||||
case PSYC_PARSE_ERROR_LIST:
|
||||
croak("_error_invalid_list");
|
||||
QUIT
|
||||
case PSYC_PARSE_ERROR_LIST_TOO_LARGE:
|
||||
croak("_error_list_too_large");
|
||||
QUIT
|
||||
default: // parse error
|
||||
croak("_error_invalid_syntax");
|
||||
}
|
||||
buffer = "";
|
||||
}
|
||||
# endif
|
||||
}
|
||||
|
||||
|
||||
// overload this as needed
|
||||
varargs mixed croak(string mc, string data, vamapping vars) { return 0; }
|
||||
|
||||
|
||||
// called when a complete packet has arrived
|
||||
void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
|
||||
#ifndef LIBPSYC
|
||||
parser_reset();
|
||||
#endif
|
||||
}
|
||||
|
||||
void psyc_dispatch(mixed p) {
|
||||
dispatch(p[PACKET_ROUTING], p[PACKET_ENTITY], p[PACKET_METHOD], p[PACKET_BODY]);
|
||||
}
|
||||
|
||||
#ifndef LIBPSYC
|
||||
// processes routing header variable assignments
|
||||
// basic version does no state
|
||||
mapping process_header(mixed varops) {
|
||||
@ -121,7 +134,7 @@ mapping process_header(mixed varops) {
|
||||
// apply mmp state
|
||||
foreach(mixed vop : varops) {
|
||||
string vname = vop[0];
|
||||
switch(vop[1]) {
|
||||
switch(vop[1]) {
|
||||
case C_GLYPH_MODIFIER_SET:
|
||||
vars[vname] = vop[2];
|
||||
break;
|
||||
@ -360,6 +373,7 @@ void buffer_content() {
|
||||
P4(("buffer_content: waiting for more plain data. buffer %O vs %O\n", to_array(buffer), to_array("\n" DELIM)))
|
||||
}
|
||||
}
|
||||
#endif // LIBPSYC
|
||||
|
||||
// respond to the first empty packet
|
||||
void first_response() {
|
||||
@ -372,12 +386,14 @@ void step() {
|
||||
if (!strlen(buffer))
|
||||
return;
|
||||
switch(state) {
|
||||
#ifndef LIBPSYC
|
||||
case PSYCPARSE_STATE_HEADER:
|
||||
parse_header();
|
||||
break;
|
||||
case PSYCPARSE_STATE_CONTENT:
|
||||
buffer_content();
|
||||
break;
|
||||
#endif
|
||||
case PSYCPARSE_STATE_BLOCKED:
|
||||
// someone requested to stop parsing - e.g. _request_features circuit
|
||||
// message
|
||||
@ -389,7 +405,9 @@ void step() {
|
||||
state = PSYCPARSE_STATE_HEADER;
|
||||
buffer = buffer[2 ..];
|
||||
first_response();
|
||||
#ifndef LIBPSYC
|
||||
step();
|
||||
#endif
|
||||
} else {
|
||||
croak("_error_syntax_initialization");
|
||||
// "The new protocol begins with a pipe and a line feed.");
|
||||
@ -400,6 +418,7 @@ void step() {
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef LIBPSYC
|
||||
// FIXME should be in a standalone module
|
||||
//#define PARSEERROR(args) debug_message(sprintf("LIST PARSE ERROR: " args));
|
||||
#define LISTSEP '|'
|
||||
@ -432,14 +451,13 @@ mixed list_parse(string val) {
|
||||
return lv;
|
||||
}
|
||||
|
||||
#ifdef SELFTESTS
|
||||
# ifdef SELFTESTS
|
||||
test() {
|
||||
list_parse("|psyc://example.symlynX.com/~jim|psyc://example.org/~judy");
|
||||
list_parse("5\tabcde|4\tabcd");
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* !libpsyc */
|
||||
# endif
|
||||
#endif // !LIBPSYC
|
||||
|
||||
// it is sometimes useful to stop parsing
|
||||
void interrupt_parse() {
|
||||
@ -451,4 +469,4 @@ void resume_parse() {
|
||||
state = PSYCPARSE_STATE_HEADER;
|
||||
}
|
||||
|
||||
#endif // 0
|
||||
#endif // USE_PSYC
|
||||
|
||||
@ -1,3 +1,3 @@
|
||||
#include "psyc.h"
|
||||
#include "../psyc/parse.i"
|
||||
//#include "psyc.h"
|
||||
//#include "../psyc/parse.i"
|
||||
|
||||
|
||||
@ -23,16 +23,17 @@
|
||||
* the first byte.
|
||||
*/
|
||||
|
||||
#ifndef SPYC
|
||||
# define SPYC
|
||||
#define SPYC
|
||||
|
||||
# include <psyc.h>
|
||||
#include <psyc.h>
|
||||
|
||||
#ifndef USE_PSYC
|
||||
|
||||
#if __EFUN_DEFINED__(psyc_parse)
|
||||
# define LIBPSYC
|
||||
# include <sys/libpsyc.h>
|
||||
#endif
|
||||
|
||||
// EOF
|
||||
|
||||
#if 0 // first we get the syntax running, then we'll think of new features:
|
||||
|
||||
#define PSYCPARSE_STATE_HEADER 0
|
||||
#define PSYCPARSE_STATE_CONTENT 1
|
||||
#define PSYCPARSE_STATE_BLOCKED 2
|
||||
@ -45,4 +46,4 @@
|
||||
return; \
|
||||
}
|
||||
|
||||
#endif // 0
|
||||
#endif // USE_PSYC
|
||||
|
||||
@ -4,9 +4,10 @@
|
||||
// the thing that answers on port 4404 of psyced.
|
||||
|
||||
#include "psyc.h"
|
||||
#include "../psyc/server.c"
|
||||
|
||||
#if 0 // first we get the syntax running, then we'll think of new features:
|
||||
#ifdef USE_PSYC
|
||||
# include "../psyc/server.c"
|
||||
#else
|
||||
|
||||
#include <net.h>
|
||||
#include <services.h>
|
||||
@ -194,4 +195,4 @@ void circuit_msg(string mc, mapping vars, string data) {
|
||||
}
|
||||
}
|
||||
|
||||
#endif // 0
|
||||
#endif // USE_PSYC
|
||||
|
||||
@ -2,9 +2,10 @@
|
||||
// $Id: udp.c,v 1.7 2008/07/17 15:07:59 lynx Exp $
|
||||
|
||||
#include "psyc.h"
|
||||
#include "../psyc/udp.c"
|
||||
|
||||
#if 0 // first we get the syntax running, then we'll think of new features:
|
||||
#ifdef USE_PSYC
|
||||
# include "../psyc/udp.c"
|
||||
#else
|
||||
|
||||
#include <net.h>
|
||||
#include <uniform.h>
|
||||
@ -13,6 +14,7 @@
|
||||
inherit NET_PATH "spyc/parse";
|
||||
|
||||
string netloc;
|
||||
mapping instate;
|
||||
|
||||
object load() { return ME; } // avoid a find_object call in obj/master
|
||||
|
||||
@ -41,4 +43,4 @@ parseUDP(ip, port, msg) {
|
||||
#define PSYC_UDP
|
||||
#include "dispatch.i"
|
||||
|
||||
#endif // 0
|
||||
#endif // USE_PSYC
|
||||
|
||||
Loading…
Reference in New Issue
Block a user