remove the obsolete ipmux component.

this is replaced by LVS since a long time

(This used to be ctdb commit dca41ec04788922ce5f4c52d346872b3e35f8cbb)

1 files changed, 0 insertions, 268 deletions

diff --git a/ctdb/utils/ipmux/ipmux.c b/ctdb/utils/ipmux/ipmux.c
deleted file mode 100644
index 598e9dcb6f2..00000000000
--- a/ctdb/utils/ipmux/ipmux.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/* 
-   simple ip multiplexer
-
-   Copyright (C) Ronnie Sahlberg 2007
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "lib/events/events.h"
-#include "system/filesys.h"
-#include "system/network.h"
-#include "popt.h"
-#include "cmdline.h"
-#include "ctdb.h"
-#include "ctdb_private.h"
-
-#if defined(HAVE_LINUX_NETFILTER_H) && defined(HAVE_LIBIPQ_H)
-#include <linux/netfilter.h>
-#include <libipq.h>
-
-#define CONTROL_TIMEOUT() timeval_current_ofs(5, 0)
-
-struct ipmux_node {
-	uint32_t pnn;
-	ctdb_sock_addr addr;
-};
-struct ipmux_node *ipmux_nodes;
-
-/* 
-   This function is used to open a raw socket to send tickles from
- */
-int ctdb_sys_open_sending_socket(void)
-{
-	int s, ret;
-	uint32_t one = 1;
-
-	s = socket(AF_INET, SOCK_RAW, htons(IPPROTO_RAW));
-	if (s == -1) {
-		DEBUG(DEBUG_CRIT,(__location__ " failed to open raw socket (%s)\n",
-			 strerror(errno)));
-		return -1;
-	}
-
-	ret = setsockopt(s, SOL_IP, IP_HDRINCL, &one, sizeof(one));
-	if (ret != 0) {
-		DEBUG(DEBUG_CRIT,(__location__ " failed to setup IP headers (%s)\n",
-			 strerror(errno)));
-		close(s);
-		return -1;
-	}
-
-	set_nonblocking(s);
-	set_close_on_exec(s);
-
-	return s;
-}
-
-
-/*
-  main program
-*/
-int main(int argc, const char *argv[])
-{
-	struct ctdb_context *ctdb;
-	struct poptOption popt_options[] = {
-		POPT_AUTOHELP
-		POPT_CTDB_CMDLINE
-		POPT_TABLEEND
-	};
-	int opt;
-	const char **extra_argv;
-	int extra_argc = 0;
-	int ret;
-	poptContext pc;
-	struct event_context *ev;
-	uint32_t mypnn, recmaster;
-	TALLOC_CTX *mem_ctx=NULL;
-	struct ctdb_node_map *nodemap;
-	int i, num_nodes;
-	int s;
-	struct ipq_handle *ipqh;
-#define PKTSIZE 65535
-	unsigned char pktbuf[PKTSIZE];
-	ipq_packet_msg_t *ipqp;
-	struct iphdr *ip;
-	int hash;
-
-	pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
-
-	while ((opt = poptGetNextOpt(pc)) != -1) {
-		switch (opt) {
-		default:
-			fprintf(stderr, "Invalid option %s: %s\n", 
-				poptBadOption(pc, 0), poptStrerror(opt));
-			exit(1);
-		}
-	}
-
-	/* talloc_enable_leak_report_full(); */
-
-	/* setup the remaining options for the main program to use */
-	extra_argv = poptGetArgs(pc);
-	if (extra_argv) {
-		extra_argv++;
-		while (extra_argv[extra_argc]) extra_argc++;
-	}
-
-	ev = event_context_init(NULL);
-
-	ctdb = ctdb_cmdline_client(ev);
-
-
-	mem_ctx = talloc_new(ctdb);
-
-	/* get our pnn */
-	mypnn = ctdb_ctrl_getpnn(ctdb, CONTROL_TIMEOUT(), CTDB_CURRENT_NODE);
-	if (mypnn == (uint32_t)-1) {
-		DEBUG(0,("IPMUX: Failed to get local pnn - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-
-
-	/* get the recmaster */
-	ret = ctdb_ctrl_getrecmaster(ctdb, mem_ctx, CONTROL_TIMEOUT(), CTDB_CURRENT_NODE, &recmaster);
-	if (ret != 0) {
-		DEBUG(0,("IPMUX: Failed to get recmaster - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-
-
-	/* verify we are the recmaster */
-	if (recmaster != mypnn) {
-		DEBUG(0,("IPMUX: we are not the recmaster - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-
-
-	/* get the list of nodes */
-	ret = ctdb_ctrl_getnodemap(ctdb, CONTROL_TIMEOUT(), CTDB_CURRENT_NODE, mem_ctx, &nodemap);
-	if (ret != 0) {
-		DEBUG(0,("IPMUX: failed to get the nodemap - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-
-
-	/* count how many connected nodes we have */
-	num_nodes = 0;
-	for (i=0; i<nodemap->num; i++) {
-		if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
-			continue;
-		}
-
-		num_nodes++;
-	}
-	if (num_nodes == 0) {
-		DEBUG(0,("IPMUX: no connected nodes - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-
-	ipmux_nodes = talloc_array(mem_ctx, struct ipmux_node, num_nodes);
-	if (ipmux_nodes == NULL) {
-		DEBUG(0,("IPMUX: failed to allocate ipmux node array - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-
-
-	/* populate the ipmux node array */
-	num_nodes = 0;
-	for (i=0; i<nodemap->num; i++) {
-		if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
-			continue;
-		}
-		ipmux_nodes[num_nodes].pnn  = i;
-		ipmux_nodes[num_nodes].addr = nodemap->nodes[i].addr;
-		num_nodes++;
-	}
-
-	
-	/* open a raw socket to send the packets out through */
-	s = ctdb_sys_open_sending_socket();
-	if (s == -1) {
-		DEBUG(0,("IPMUX: failed to open raw socket - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-
-
-	/* open the ipq handle */
-	ipqh = ipq_create_handle(0, PF_INET);
-	if (ipqh == NULL) {
-		DEBUG(0,("IPMUX: failed to create ipq handle - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-	
-	ret = ipq_set_mode(ipqh, IPQ_COPY_PACKET, PKTSIZE);
-	if (ret < 0) {
-		DEBUG(0,("IPMUX: failed to set ipq mode. make sure the ip_queue module is loaded - exiting\n"));
-		talloc_free(mem_ctx);
-		exit(10);
-	}
-
-	while (1) {
-		/* wait for the next packet */
-		ret = ipq_read(ipqh, pktbuf, PKTSIZE, 0);
-		if (ret <= 0) {
-			continue;
-		}
-
-		/* read the packet */
-		ipqp = ipq_get_packet(pktbuf);
-		if (ipqp == NULL) {
-			continue;
-		}
-
-		/* calculate a hash based on the clients ip address */
-		ip = (struct iphdr *)&ipqp->payload[0];
-		/* ntohl here since the client ip addresses are much more
-		   likely to differ in the lower bits than the hight bits */
-		hash = ntohl(ip->saddr) % num_nodes;
- 
-
-		/* if the packet is hashed to the current host, then
-		   just accept it and let the kernel pass it onto
-		   the local stack
-		*/
-		if (ipmux_nodes[hash].pnn == mypnn) {
-			ipq_set_verdict(ipqh, ipqp->packet_id, NF_ACCEPT, 0, pktbuf);
-			continue;
-		}
-
-		/* we have hashed it to one of the other nodes, so
-		   send the packet off and tell the kernel to not worry
-		   about this packet any more
-		*/
-		ret = sendto(s, &ipqp->payload[0], ipqp->data_len, 0, (struct sockaddr_in *)&ipmux_nodes[hash].addr, sizeof(ctdb_sock_addr));
-		ipq_set_verdict(ipqh, ipqp->packet_id, NF_DROP, 0, pktbuf);
-
-	}
-
-	return 0;
-}
-
-#else
-int main(void)
-{
-	printf("ipmux tool disabled - lacking netfilter and libipq development libs\n");
-	return 1;
-}
-#endif