cellular-infrastructure
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cellmgr-ng
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m2ua: Print information about number of SCTP connections 

It appears that it is possible to have a stale SCTP connection
and this added LOGL_NOTICE and the VTY interface might help to
identify this situation in the future (the mean time of failure
is about five month).
This commit is contained in:
Holger Hans Peter Freyther 2011-08-10 06:11:39 +02:00
parent c21c0d699f
commit ab79b9b593
4 changed files with 34 additions and 1 deletions
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2
include/sctp_m2ua.h
View File

@ -80,4 +80,6 @@ struct mtp_m2ua_link *mtp_m2ua_link_create(struct sctp_m2ua_transport *transport
struct mtp_m2ua_link *mtp_m2ua_link_init(struct mtp_link *link);
int sctp_m2ua_conn_count(struct sctp_m2ua_transport *tran);
#endif

4
src/main.c
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@ -130,3 +130,7 @@ int main(int argc, char **argv)
return 0;
}
int sctp_m2ua_conn_count(struct sctp_m2ua_transport *trans)
{
return 0;
}

18
src/sctp_m2ua.c
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@ -32,6 +32,18 @@
#define SCTP_PPID_M2UA 2
int sctp_m2ua_conn_count(struct sctp_m2ua_transport *trans)
{
int count = 0;
struct sctp_m2ua_conn *conn;
llist_for_each_entry(conn, &trans->conns, entry)
count += 1;
return count;
}
static struct mtp_m2ua_link *find_m2ua_link(struct sctp_m2ua_transport *trans, int link_index)
{
struct mtp_m2ua_link *link;
@ -650,7 +662,7 @@ static int sctp_trans_accept(struct osmo_fd *fd, unsigned int what)
struct sctp_m2ua_conn *conn;
struct sockaddr_in addr;
socklen_t len;
int s, ret;
int s, ret, count;
len = sizeof(addr);
s = accept(fd->fd, (struct sockaddr *) &addr, &len);
@ -700,6 +712,10 @@ static int sctp_trans_accept(struct osmo_fd *fd, unsigned int what)
}
llist_add_tail(&conn->entry, &trans->conns);
count = sctp_m2ua_conn_count(trans);
LOGP(DINP, LOGL_NOTICE, "Now having %d SCTP connection(s).\n", count);
return 0;
}

11
src/vty_interface_cmds.c
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@ -22,6 +22,7 @@
#include <bsc_data.h>
#include <mtp_pcap.h>
#include <msc_connection.h>
#include <sctp_m2ua.h>
#include <osmocom/core/rate_ctr.h>
@ -252,6 +253,15 @@ DEFUN(allow_inject, allow_inject_cmd,
return CMD_SUCCESS;
}
DEFUN(show_sctp, show_sctp_cmd,
"show sctp-connections",
SHOW_STR "Active SCTP connections\n")
{
int count = sctp_m2ua_conn_count(bsc->m2ua_trans);
vty_out(vty, "Active SCTP connections are: %d.%s", count, VTY_NEWLINE);
return CMD_SUCCESS;
}
void cell_vty_init_cmds(void)
{
/* special commands */
@ -268,4 +278,5 @@ void cell_vty_init_cmds(void)
install_element_ve(&show_slc_cmd);
install_element_ve(&show_msc_cmd);
install_element_ve(&show_sctp_cmd);
}