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-rw-r--r--nest/Makefile2
-rw-r--r--nest/cli.c144
-rw-r--r--nest/cli.h49
-rw-r--r--sysdep/unix/client-main.c1
-rw-r--r--sysdep/unix/main.c119
5 files changed, 313 insertions, 2 deletions
diff --git a/nest/Makefile b/nest/Makefile
index d7689e0..5b6b414 100644
--- a/nest/Makefile
+++ b/nest/Makefile
@@ -1,4 +1,4 @@
-source=rt-table.c rt-fib.c rt-attr.c proto.c iface.c rt-dev.c password.c
+source=rt-table.c rt-fib.c rt-attr.c proto.c iface.c rt-dev.c password.c cli.c
root-rel=../
dir-name=nest
diff --git a/nest/cli.c b/nest/cli.c
new file mode 100644
index 0000000..09ebe96
--- /dev/null
+++ b/nest/cli.c
@@ -0,0 +1,144 @@
+/*
+ * BIRD Internet Routing Daemon -- Command-Line Interface
+ *
+ * (c) 1999 Martin Mares <mj@ucw.cz>
+ *
+ * Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include "nest/bird.h"
+#include "lib/string.h"
+#include "nest/cli.h"
+
+pool *cli_pool;
+
+void
+cli_printf(cli *c, int code, char *msg, ...)
+{
+ va_list args;
+ byte buf[1024];
+ int flag = (code < 0) ? '-' : ' ';
+ int size;
+ struct cli_out *o;
+
+ va_start(args, msg);
+ if (code < 0)
+ code = -code;
+ bsprintf(buf, "%04d%c", code, flag);
+ size = bvsnprintf(buf+5, sizeof(buf)-6, msg, args);
+ if (size < 0)
+ size = bsprintf(buf, "9999%c<line overflow>", flag);
+ else
+ size += 5;
+ buf[size++] = '\n';
+ if (!(o = c->tx_write) || o->wpos + size > o->end)
+ {
+ o = mb_alloc(c->pool, sizeof(struct cli_out) + CLI_TX_BUF_SIZE);
+ if (c->tx_write)
+ c->tx_write->next = o;
+ else
+ c->tx_buf = o;
+ o->next = NULL;
+ o->wpos = o->outpos = o->buf;
+ o->end = o->buf + CLI_TX_BUF_SIZE;
+ c->tx_write = o;
+ }
+ memcpy(o->wpos, buf, size);
+ o->wpos += size;
+}
+
+static void
+cli_free_out(cli *c)
+{
+ struct cli_out *o, *p;
+
+ if (o = c->tx_buf)
+ {
+ c->tx_write = o;
+ o->wpos = o->outpos = o->buf;
+ while (p = o->next)
+ {
+ o->next = p->next;
+ mb_free(p);
+ }
+ }
+}
+
+static int
+cli_flush(cli *c)
+{
+ if (cli_write(c))
+ {
+ cli_free_out(c);
+ return 1;
+ }
+ return 0;
+}
+
+static int
+cli_event(void *data)
+{
+ cli *c = data;
+ int err;
+
+ debug("CLI EVENT\n");
+ if (!c->inited)
+ {
+ c->inited = 1;
+ cli_printf(c, 0, "Welcome!");
+ cli_printf(c, 0, "Here");
+ return cli_flush(c);
+ }
+ err = cli_get_command(c);
+ if (!err)
+ return 0;
+ if (err < 0)
+ debug("CLI CMD ERR\n");
+ else
+ debug("CLI CMD %s\n", c->rx_buf);
+ return 1;
+}
+
+cli *
+cli_new(void *priv)
+{
+ pool *p = rp_new(cli_pool, "CLI");
+ cli *c = mb_alloc(p, sizeof(cli));
+
+ c->pool = p;
+ c->priv = priv;
+ c->event = ev_new(p);
+ c->event->hook = cli_event;
+ c->event->data = c;
+ c->tx_buf = c->tx_pos = c->tx_write = NULL;
+ c->inited = 0;
+ cli_kick(c);
+ return c;
+}
+
+void
+cli_kick(cli *c)
+{
+ debug("CLI KICK\n");
+ ev_schedule(c->event);
+}
+
+void
+cli_written(cli *c)
+{
+ debug("CLI WRITTEN\n");
+ cli_free_out(c);
+ cli_kick(c);
+}
+
+void
+cli_free(cli *c)
+{
+ rfree(c->pool);
+}
+
+void
+cli_init(void)
+{
+ cli_pool = rp_new(&root_pool, "CLI");
+}
diff --git a/nest/cli.h b/nest/cli.h
new file mode 100644
index 0000000..69271fe
--- /dev/null
+++ b/nest/cli.h
@@ -0,0 +1,49 @@
+/*
+ * BIRD Internet Routing Daemon -- Command-Line Interface
+ *
+ * (c) 1999 Martin Mares <mj@ucw.cz>
+ *
+ * Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#ifndef _BIRD_CLI_H_
+#define _BIRD_CLI_H_
+
+#include "lib/resource.h"
+#include "lib/event.h"
+
+#define CLI_RX_BUF_SIZE 4096
+#define CLI_TX_BUF_SIZE 4096
+
+struct cli_out {
+ struct cli_out *next;
+ byte *wpos, *outpos, *end;
+ byte buf[0];
+};
+
+typedef struct cli {
+ pool *pool;
+ void *priv; /* Private to sysdep layer */
+ int inited;
+ byte rx_buf[CLI_RX_BUF_SIZE];
+ byte *rx_pos, *rx_aux; /* sysdep */
+ struct cli_out *tx_buf, *tx_pos, *tx_write;
+ event *event;
+} cli;
+
+extern pool *cli_pool;
+
+cli *cli_new(void *);
+void cli_init(void);
+void cli_free(cli *);
+void cli_kick(cli *);
+void cli_written(cli *);
+void cli_printf(cli *, int, char *, ...);
+
+/* Function provided by sysdep layer */
+
+int cli_write(cli *);
+void cli_disconnect(cli *);
+int cli_get_command(cli *);
+
+#endif
diff --git a/sysdep/unix/client-main.c b/sysdep/unix/client-main.c
index da01e21..01a7986 100644
--- a/sysdep/unix/client-main.c
+++ b/sysdep/unix/client-main.c
@@ -12,6 +12,7 @@
#include <unistd.h>
#include "nest/bird.h"
+#include "lib/resource.h" /* For dmalloc */
#include "client/client.h"
#include "unix.h"
diff --git a/sysdep/unix/main.c b/sysdep/unix/main.c
index ed89ef1..f717fb0 100644
--- a/sysdep/unix/main.c
+++ b/sysdep/unix/main.c
@@ -21,6 +21,7 @@
#include "nest/route.h"
#include "nest/protocol.h"
#include "nest/iface.h"
+#include "nest/cli.h"
#include "conf/conf.h"
#include "filter/filter.h"
@@ -87,6 +88,119 @@ async_config(void)
}
/*
+ * Command-Line Interface
+ */
+
+static sock *cli_sk;
+
+void
+cli_disconnect(cli *c)
+{
+ bug("CLI DISCONNECT: Not implemented"); /* FIXME */
+}
+
+int
+cli_write(cli *c)
+{
+ sock *s = c->priv;
+
+ if (c->tx_pos)
+ {
+ struct cli_out *o = c->tx_pos;
+ c->tx_pos = o->next;
+ s->tbuf = o->outpos;
+ return sk_send(s, o->wpos - o->outpos);
+ }
+ return 1;
+}
+
+int
+cli_get_command(cli *c)
+{
+ sock *s = c->priv;
+ byte *t = c->rx_aux ? : s->rbuf;
+ byte *tend = s->rpos;
+ byte *d = c->rx_pos;
+ byte *dend = c->rx_buf + CLI_RX_BUF_SIZE - 2;
+
+ while (t < tend)
+ {
+ if (*t == '\r')
+ t++;
+ else if (*t == '\n')
+ {
+ t++;
+ c->rx_pos = c->rx_buf;
+ c->rx_aux = t;
+ *d = 0;
+ return (d < dend) ? 1 : -1;
+ }
+ else if (d < dend)
+ *d++ = *t++;
+ }
+ c->rx_aux = s->rpos = s->rbuf;
+ c->rx_pos = d;
+ return 0;
+}
+
+static int
+cli_rx(sock *s, int size)
+{
+ debug("CLI RX\n");
+ cli_kick(s->data);
+ return 0;
+}
+
+static void
+cli_tx(sock *s)
+{
+ cli *c = s->data;
+
+ debug("CLI TX\n");
+ if (cli_write(c))
+ cli_written(c);
+}
+
+static void
+cli_err(sock *s, int err)
+{
+ if (err)
+ log(L_INFO "CLI connection dropped: %s", strerror(err));
+ else
+ log(L_INFO "CLI connection closed");
+ s->type = SK_DELETED;
+ cli_free(s->data);
+}
+
+static int
+cli_connect(sock *s, int size)
+{
+ cli *c;
+
+ log(L_INFO "CLI connect");
+ s->rx_hook = cli_rx;
+ s->tx_hook = cli_tx;
+ s->err_hook = cli_err;
+ s->rbsize = 1024;
+ s->data = c = cli_new(s);
+ c->rx_pos = c->rx_buf;
+ c->rx_aux = NULL;
+ return 1;
+}
+
+static void
+cli_init_unix(void)
+{
+ sock *s;
+
+ cli_init();
+ s = cli_sk = sk_new(cli_pool);
+ s->type = SK_UNIX_PASSIVE;
+ s->rx_hook = cli_connect;
+ sk_open_unix(s, PATH_CONTROL_SOCKET);
+}
+
+/*
* Shutdown
*/
@@ -101,6 +215,7 @@ async_shutdown(void)
void
protos_shutdown_notify(void)
{
+ unlink(PATH_CONTROL_SOCKET);
die("System shutdown completed");
}
@@ -194,7 +309,7 @@ main(int argc, char **argv)
#endif
log_init_debug(NULL);
- setvbuf(stdout, NULL, _IONBF, 0); /* And yes, this does make a difference */
+ setvbuf(stdout, NULL, _IONBF, 0); /* FIXME: Kill some day. */
setvbuf(stderr, NULL, _IONBF, 0);
parse_args(argc, argv);
@@ -214,6 +329,8 @@ main(int argc, char **argv)
signal_init();
+ cli_init_unix();
+
protos_start();
ev_run_list(&global_event_list);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 18:06:55 +0100