111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
/* Copyright (C) 2010, 2011 Tony Garnock-Jones. All rights reserved. */
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <signal.h>
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#include <netinet/in.h>
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#include <ucontext.h>
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#include <assert.h>
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typedef unsigned char u_char;
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#include <event.h>
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#include "cmsg_private.h"
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#include "harness.h"
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#include "net.h"
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#include "ref.h"
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#include "sexp.h"
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#include "hashtable.h"
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#include "node.h"
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#include "queue.h"
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#include "direct.h"
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#include "fanout.h"
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#include "relay.h"
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#include "meta.h"
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#include "messages.h"
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#include "sexpio.h"
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#define WANT_CONSOLE_LISTENER 1
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static void factory_handle_message(node_t *n, sexp_t *m) {
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parsed_message_t p;
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if (parse_create(m, &p)) {
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if (sexp_stringp(p.create.classname)
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&& sexp_stringp(p.create.reply_sink)
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&& sexp_stringp(p.create.reply_name)) {
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cmsg_bytes_t classname_bytes = sexp_data(p.create.classname);
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node_class_t *nc = lookup_node_class(classname_bytes);
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if (nc == NULL) {
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warn("Node class not found <<%.*s>>\n", classname_bytes.len, classname_bytes.bytes);
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} else {
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sexp_t *error = NULL;
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sexp_t *reply;
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if (new_node(nc, p.create.arg, &error) != NULL) {
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reply = message_create_ok(NULL);
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} else {
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reply = message_create_failed(error);
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}
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post_node(sexp_data(p.create.reply_sink),
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sexp_data(p.create.reply_name),
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reply,
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sexp_empty_bytes);
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}
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}
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return;
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}
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warn("Message not understood in factory: ");
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sexp_writeln(stderr_h, m);
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}
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static node_class_t factory_class = {
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.name = "factory",
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.extend = NULL,
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.destroy = NULL,
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.handle_message = factory_handle_message
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};
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static void init_factory(void) {
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bind_node(cmsg_cstring_bytes("factory"), new_node(&factory_class, NULL, NULL));
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}
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#if WANT_CONSOLE_LISTENER
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static void console_listener(void *arg) {
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IOHandle *in_handle = new_iohandle(0);
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while (1) {
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cmsg_bytes_t buf = iohandle_readwait(in_handle, 1);
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if (buf.len == 0) break;
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iohandle_drain(in_handle, buf.len);
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}
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delete_iohandle(in_handle);
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interrupt_harness();
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}
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#endif
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int main(int argc, char *argv[]) {
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info("cmsg ALPHA, Copyright (C) 2010, 2011 Tony Garnock-Jones. All rights reserved.\n");
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event_init();
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signal(SIGPIPE, SIG_IGN); /* avoid EPIPE when connections drop unexpectedly */
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info("Using libevent version %s\n", event_get_version());
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init_sexp();
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init_messages();
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init_node(cmsg_cstring_bytes("server"));
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init_factory();
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init_queue();
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init_direct();
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init_fanout();
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init_relay();
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init_meta();
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#if WANT_CONSOLE_LISTENER
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spawn(console_listener, NULL);
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#endif
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start_net(5671);
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boot_harness();
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done_sexp();
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return 0;
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}
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