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authorRaimo Niskanen <[email protected]>2010-07-07 11:46:21 +0200
committerRaimo Niskanen <[email protected]>2010-07-07 11:46:21 +0200
commit69764c865db61c0351be215f7f36947a71ef82f1 (patch)
tree3afd851e85535a507df3f2418fe89b7d89b13c82
parent661c42ab6f1b014e1988d0b33fda35d9e815ccdb (diff)
parentebcab38751aee5090093d38904c187d731f0670c (diff)
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Merge branch 'sd/epmd-stop-cli' into dev
* sd/epmd-stop-cli: allow epmd -stop name to unregister a client from epmd
-rw-r--r--erts/epmd/src/epmd.c8
-rw-r--r--erts/epmd/src/epmd_cli.c36
-rw-r--r--erts/epmd/src/epmd_srv.c6
3 files changed, 46 insertions, 4 deletions
diff --git a/erts/epmd/src/epmd.c b/erts/epmd/src/epmd.c
index c509c49b39..6ddf30efe3 100644
--- a/erts/epmd/src/epmd.c
+++ b/erts/epmd/src/epmd.c
@@ -226,6 +226,12 @@ int main(int argc, char** argv)
else
usage(g);
epmd_cleanup_exit(g,0);
+ } else if (strcmp(argv[0], "-stop") == 0) {
+ if (argc == 2)
+ stop_cli(g, argv[1]);
+ else
+ usage(g);
+ epmd_cleanup_exit(g,0);
}
else
usage(g);
@@ -382,7 +388,7 @@ static void run_daemon(EpmdVars *g)
static void usage(EpmdVars *g)
{
fprintf(stderr, "usage: epmd [-d|-debug] [DbgExtra...] [-port No] [-daemon]\n");
- fprintf(stderr, " [-d|-debug] [-port No] [-names|-kill]\n\n");
+ fprintf(stderr, " [-d|-debug] [-port No] [-names|-kill|-stop name]\n\n");
fprintf(stderr, "See the Erlang epmd manual page for info about the usage.\n");
fprintf(stderr, "The -port and DbgExtra options are\n\n");
fprintf(stderr, " -port No\n");
diff --git a/erts/epmd/src/epmd_cli.c b/erts/epmd/src/epmd_cli.c
index c12f711bc5..2aed861390 100644
--- a/erts/epmd/src/epmd_cli.c
+++ b/erts/epmd/src/epmd_cli.c
@@ -54,6 +54,42 @@ void kill_epmd(EpmdVars *g)
}
}
+void stop_cli(EpmdVars *g, char *name)
+{
+ char buf[1024];
+ int fd, rval, bsize;
+
+ bsize = strlen(name);
+ if (bsize > 1000) {
+ printf("epmd: Name too long!");
+ epmd_cleanup_exit(g, 1);
+ }
+
+ fd = conn_to_epmd(g);
+ bsize++;
+ put_int16(bsize, buf);
+ buf[2] = EPMD_STOP_REQ;
+ bsize += 2;
+ strcpy(buf+3, name);
+
+ if (write(fd, buf, bsize) != bsize) {
+ printf("epmd: Can't write to epmd\n");
+ epmd_cleanup_exit(g,1);
+ }
+ if ((rval = read_fill(fd,buf,7)) == 7) {
+ buf[7] = '\000';
+ printf("%s\n", buf);
+ epmd_cleanup_exit(g,0);
+ } else if (rval < 0) {
+ printf("epmd: failed to read answer from local epmd\n");
+ epmd_cleanup_exit(g,1);
+ } else { /* rval is now 0 or 1 */
+ buf[rval] = '\0';
+ printf("epmd: local epmd responded with <%s>\n", buf);
+ epmd_cleanup_exit(g,1);
+ }
+}
+
/* what == EPMD_NAMES_REQ || EPMD_DUMP_REQ */
void epmd_call(EpmdVars *g,int what)
diff --git a/erts/epmd/src/epmd_srv.c b/erts/epmd/src/epmd_srv.c
index 34f657fb16..c836bf0bb7 100644
--- a/erts/epmd/src/epmd_srv.c
+++ b/erts/epmd/src/epmd_srv.c
@@ -591,7 +591,7 @@ static void do_request(g, fd, s, buf, bsize)
if (bsize <= 1)
{
- dbg_printf(g,0,"packet to small for request PORT2_REQ (%d)", bsize);
+ dbg_printf(g,0,"packet too small for request PORT2_REQ (%d)", bsize);
return;
}
@@ -740,7 +740,7 @@ static void do_request(g, fd, s, buf, bsize)
dbg_printf(g,1,"** got STOP_REQ");
if (bsize <= 1 )
{
- dbg_printf(g,0,"packet to small for request STOP_REQ (%d)",bsize);
+ dbg_printf(g,0,"packet too small for request STOP_REQ (%d)",bsize);
return;
}
@@ -902,7 +902,7 @@ static void node_init(EpmdVars *g)
/* We have got a close on a connection and it may be a
- EPMD_ALIVE_CLOSE_REQ. Note that this call shouild be called
+ EPMD_ALIVE_CLOSE_REQ. Note that this call should be called
*before* calling conn_close() */
static int node_unreg(EpmdVars *g,char *name)