From 131920eca1d2780da1275b50ab89024f3e01928b Mon Sep 17 00:00:00 2001
From: laforge <laforge>
Date: Fri, 23 Jul 2004 04:11:27 +0000
Subject: move libulog specific code to ulogd_inppkt_ULOG.c move ulogd_LOCAL.c
 to ulogd_raw2packet_LOCAL.c

---
 input/packet/ulogd_inppkt_ULOG.c | 128 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 input/packet/ulogd_inppkt_ULOG.c

(limited to 'input/packet/ulogd_inppkt_ULOG.c')

diff --git a/input/packet/ulogd_inppkt_ULOG.c b/input/packet/ulogd_inppkt_ULOG.c
new file mode 100644
index 0000000..5cc3a58
--- /dev/null
+++ b/input/packet/ulogd_inppkt_ULOG.c
@@ -0,0 +1,128 @@
+/* ulogd_inppkt_ULOG.c - stackable input plugin for ULOG packets -> ulogd2
+ * (C) 2004 by Harald Welte <laforge@gnumonks.org>
+ */
+
+#include <ulogd/ulogd.h>
+#include <ulogd/conffile.h>
+
+#include <libipulog/libipulog.h>
+
+static config_entry_t bufsiz_ce = { NULL, "bufsize", CONFIG_TYPE_INT,       
+				   CONFIG_OPT_NONE, 0,
+				   { value: ULOGD_BUFSIZE_DEFAULT } }; 
+
+static config_entry_t nlgroup_ce = { &bufsiz_ce, "nlgroup", CONFIG_TYPE_INT,
+				     CONFIG_OPT_NONE, 0,
+				     { value: ULOGD_NLGROUP_DEFAULT } };
+
+static config_entry_t rmem_ce = { &nlgroup_ce, "rmem", CONFIG_TYPE_INT,
+				  CONFIG_OPT_NONE, 0, 
+				  { value: ULOGD_RMEM_DEFAULT } };
+
+struct ulog_input {
+	struct ipulog_handle *libulog_h;
+	static unsigned char *libulog_buf;
+	static struct ulogd_fd ulog_fd;
+};
+
+/* call all registered interpreters and hand the results over to 
+ * propagate_results */
+static void handle_packet(ulog_packet_msg_t *pkt)
+{
+	ulog_iret_t *ret;
+        ulog_iret_t *allret = NULL;
+	ulog_interpreter_t *ip;
+
+	unsigned int i,j;
+
+	/* If there are no interpreters registered yet,
+	 * ignore this packet */
+	if (!ulogd_interh_ids) {
+		ulogd_log(ULOGD_NOTICE, 
+			  "packet received, but no interpreters found\n");
+		return;
+	}
+
+	for (i = 1; i <= ulogd_interh_ids; i++) {
+		ip = ulogd_interh[i];
+		/* call interpreter */
+		if ((ret = ((ip)->interp)(ip, pkt))) {
+			/* create references for result linked-list */
+			for (j = 0; j < ip->key_num; j++) {
+				if (IS_VALID(ip->result[j])) {
+					ip->result[j].cur_next = allret;
+					allret = &ip->result[j];
+				}
+			}
+		}
+	}
+	propagate_results(allret);
+	clean_results(ulogd_interpreters->result);
+}
+
+static struct ulog_read_cb(int fd, void *param)
+{
+	struct ulog_input *u = (struct ulog_input *)param;
+	int len;
+
+	while (len = ipulog_read(u->libulog_h, u->libulog_buf,
+				 bufsiz_ce.u.value, 1)) {
+		if (len <= 0) {
+			/* this is not supposed to happen */
+			ulogd_log(ULOGD_ERROR, "ipulog_read = %d! "
+				  "ipulog_errno = %d, errno = %d\n",
+				  len, ipulog_errno, errno);
+			break;
+		}
+		while ((upkt = ipulog_get_paccket(u->libulog_h,
+						  u->libulog_buf, len))) {
+			DEBUGP("==> ulog packet received\n");
+			handle_packet(upkt);
+		}
+	}
+	return 0;
+}
+
+static struct ulog_input *new_instance()
+{
+	struct ulog_input *ui = malloc(sizeof(*ui));
+	if (!ui)
+		return NULL;
+
+	ui->libulog_buf = malloc(bufsiz_ce.u.value);
+	if (!ui->libulog_buf)
+		return NULL;
+
+	ui->libulog_h = ipulog_create_handle(
+				ipulog_group2gmask(nlgroup_ce.u.value),
+				rmem_ce.u.value);
+	if (!libulog_h)
+		return NULL;
+
+	ui->ulog_fd.fd = ui->libulog_h->fd;
+	ui->ulog_fd.cb = &ulog_read_cb;
+	ui->ulog_fd.data = ui;
+
+	return ui;
+}
+
+static struct ulogd_pluginstance *init()
+{
+	struct ulog_input *ui = new_instance();
+
+	ulogd_register_fd(&ui->ulog_fd);
+}
+
+struct ulogd_plugin libulog_plugin = {
+	.name = "ULOG",
+	.input_type = ULOGD_DTYPE_NULL,
+	.output_type = ULOGD_DTYPE_RAW,
+	.constructor = &init,
+	.input_fn = &input,
+	.configs = &rmem_ce,
+};
+
+void _init(void)
+{
+	ulogd_register_plugin(&libulog_plugin);
+}
-- 
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