Understand that a return value of 0 from NgRecvMsg() means that the
socket was closed. This prevents erroneous ``Unexpected netgraph version'' from turning up in the log.
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parent
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commit
321d268b28
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=82276
@ -141,7 +141,7 @@ ConfigureNode(const char *prog, const char *iface, const char *provider,
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/* Get our list back */
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resp = (struct ng_mesg *)rbuf;
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if (NgRecvMsg(cs, resp, sizeof rbuf, NULL) < 0) {
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if (NgRecvMsg(cs, resp, sizeof rbuf, NULL) <= 0) {
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perror("Cannot get netgraph response");
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return EX_UNAVAILABLE;
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}
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@ -359,11 +359,17 @@ Spawn(const char *prog, const char *acname, const char *provider,
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syslog(LOG_INFO, "Waiting for a SUCCESS reply %s", path);
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do {
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if (NgRecvMsg(cs, rep, sizeof msgbuf, NULL) < 0) {
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if ((ret = NgRecvMsg(cs, rep, sizeof msgbuf, NULL) < 0)) {
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syslog(LOG_ERR, "%s: Cannot receive a message: %m", path);
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_exit(EX_OSERR);
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}
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if (ret == 0) {
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/* The socket has been closed */
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syslog(LOG_INFO, "%s: Client timed out", path);
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_exit(EX_TEMPFAIL);
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}
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if (rep->header.version != NG_VERSION) {
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syslog(LOG_ERR, "%ld: Unexpected netgraph version, expected %ld",
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(long)rep->header.version, (long)NG_VERSION);
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