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cups
0002-Save-work-on-Avahi-code.patch
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File 0002-Save-work-on-Avahi-code.patch of Package cups
From 657c5b5f91e6d5120c4ad7b118cf9098dd27f03d Mon Sep 17 00:00:00 2001 From: Michael R Sweet <michael.r.sweet@gmail.com> Date: Thu, 20 Apr 2017 09:11:45 -0400 Subject: [PATCH] Save work on Avahi code --- cups/dest.c | 64 +++++++++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 45 insertions(+), 19 deletions(-) diff --git a/cups/dest.c b/cups/dest.c index 54f2a7f..c1a0913 100644 --- a/cups/dest.c +++ b/cups/dest.c @@ -85,6 +85,7 @@ typedef struct _cups_dnssd_data_s /* Enumeration data */ AvahiSimplePoll *simple_poll; /* Polling interface */ AvahiClient *client; /* Client information */ int got_data; /* Did we get data? */ + int browsers; /* How many browsers are running? */ # endif /* HAVE_DNSSD */ cups_dest_cb_t cb; /* Callback */ void *user_data; /* User data pointer */ @@ -102,7 +103,6 @@ typedef struct _cups_dnssd_device_s /* Enumerated device */ AvahiRecordBrowser *ref; /* Browser for query */ # endif /* HAVE_DNSSD */ char *fullName, /* Full name */ -// *serviceName, /* Service name */ *regtype, /* Registration type */ *domain; /* Domain name */ cups_ptype_t type; /* Device registration type */ @@ -1021,12 +1021,15 @@ cupsEnumDests( i > 0 && (!cancel || !*cancel); i --, dest ++) { +#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) const char *device_uri; /* Device URI */ +#endif /* HAVE_DNSSD || HAVE_AVAHI */ if (!(*cb)(user_data, i > 1 ? CUPS_DEST_FLAGS_MORE : CUPS_DEST_FLAGS_NONE, dest)) break; +#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) if (!dest->instance && (device_uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL && !strncmp(device_uri, "dnssd://", 8)) { /* @@ -1058,13 +1061,17 @@ cupsEnumDests( } } } +#endif /* HAVE_DNSSD || HAVE_AVAHI */ } cupsFreeDests(num_dests, dests); if (i > 0 || msec == 0) { +#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) cupsArrayDelete(data.devices); +#endif /* HAVE_DNSSD || HAVE_AVAHI */ + return (1); } @@ -1122,10 +1129,12 @@ cupsEnumDests( return (1); } + data.browsers ++; ipp_ref = avahi_service_browser_new(data.client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_ipp._tcp", NULL, 0, cups_dnssd_browse_cb, &data); # ifdef HAVE_SSL + data.browsers ++; ipps_ref = avahi_service_browser_new(data.client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_ipps._tcp", NULL, 0, cups_dnssd_browse_cb, &data); @@ -1166,7 +1175,7 @@ cupsEnumDests( # else /* HAVE_AVAHI */ data.got_data = 0; - if ((error = avahi_simple_poll_iterate(data.simple_poll, 500)) > 0) + if ((error = avahi_simple_poll_iterate(data.simple_poll, 1000)) > 0) { /* * We've been told to exit the loop. Perhaps the connection to @@ -1176,6 +1185,7 @@ cupsEnumDests( break; } + DEBUG_printf(("1cupsEnumDests: got_data=%d", data.got_data)); # endif /* HAVE_DNSSD */ remaining -= 500; @@ -1227,14 +1237,14 @@ cupsEnumDests( cups_dnssd_query_cb, &data)) != NULL) { + DEBUG_printf(("1cupsEnumDests: browser ref=%p", device->ref)); count ++; } else { device->state = _CUPS_DNSSD_ERROR; - DEBUG_printf(("1cupsEnumDests: Query failed: %s", - avahi_strerror(avahi_client_errno(data.client)))); + DEBUG_printf(("1cupsEnumDests: Query failed: %s", avahi_strerror(avahi_client_errno(data.client)))); } # endif /* HAVE_DNSSD */ } @@ -1256,8 +1266,17 @@ cupsEnumDests( } } +# ifdef HAVE_AVAHI + DEBUG_printf(("1cupsEnumDests: browsers=%d, completed=%d, count=%d, devices count=%d", data.browsers, completed, count, cupsArrayCount(data.devices))); + + if (data.browsers == 0 && completed == cupsArrayCount(data.devices)) + break; +# else + DEBUG_printf(("1cupsEnumDests: completed=%d, count=%d, devices count=%d", completed, count, cupsArrayCount(data.devices))); + if (completed == cupsArrayCount(data.devices)) break; +# endif /* HAVE_AVAHI */ } cupsArrayDelete(data.devices); @@ -2889,11 +2908,12 @@ cups_dnssd_browse_cb( (void)protocol; (void)context; + DEBUG_printf(("cups_dnssd_browse_cb(..., name=\"%s\", type=\"%s\", domain=\"%s\", ...);", name, type, domain)); + switch (event) { case AVAHI_BROWSER_FAILURE: - DEBUG_printf(("cups_dnssd_browse_cb: %s", - avahi_strerror(avahi_client_errno(client)))); + DEBUG_printf(("cups_dnssd_browse_cb: %s", avahi_strerror(avahi_client_errno(client)))); avahi_simple_poll_quit(data->simple_poll); break; @@ -2908,8 +2928,7 @@ cups_dnssd_browse_cb( * This comes from the local machine so ignore it. */ - DEBUG_printf(("cups_dnssd_browse_cb: Ignoring local service \"%s\".", - name)); + DEBUG_printf(("cups_dnssd_browse_cb: Ignoring local service \"%s\".", name)); } else { @@ -2921,9 +2940,13 @@ cups_dnssd_browse_cb( } break; - case AVAHI_BROWSER_REMOVE: - case AVAHI_BROWSER_ALL_FOR_NOW: - case AVAHI_BROWSER_CACHE_EXHAUSTED: + case AVAHI_BROWSER_REMOVE : + case AVAHI_BROWSER_CACHE_EXHAUSTED : + break; + + case AVAHI_BROWSER_ALL_FOR_NOW : + DEBUG_puts("cups_dnssd_browse_cb: ALL_FOR_NOW"); + data->browsers --; break; } } @@ -2945,6 +2968,8 @@ cups_dnssd_client_cb( (void)client; + DEBUG_printf(("cups_dnssd_client_cb(client=%p, state=%d, context=%p)", client, state, context)); + /* * If the connection drops, quit. */ @@ -3214,16 +3239,22 @@ cups_dnssd_poll_cb( int val; /* Return value */ + DEBUG_printf(("cups_dnssd_poll_cb(pollfds=%p, num_pollfds=%d, timeout=%d, context=%p)", pollfds, num_pollfds, timeout, context)); + (void)timeout; - val = poll(pollfds, num_pollfds, 250); + val = poll(pollfds, num_pollfds, 500); + + DEBUG_printf(("cups_dnssd_poll_cb: poll() returned %d", val)); if (val < 0) { DEBUG_printf(("cups_dnssd_poll_cb: %s", strerror(errno))); } else if (val > 0) + { data->got_data = 1; + } return (val); } @@ -3290,11 +3321,7 @@ cups_dnssd_query_cb( return; # else /* HAVE_AVAHI */ - DEBUG_printf(("5cups_dnssd_query_cb(browser=%p, interfaceIndex=%d, " - "protocol=%d, event=%d, fullName=\"%s\", rrclass=%u, " - "rrtype=%u, rdata=%p, rdlen=%u, flags=%x, context=%p)", - browser, interfaceIndex, protocol, event, fullName, rrclass, - rrtype, rdata, (unsigned)rdlen, flags, context)); + DEBUG_printf(("cups_dnssd_query_cb(browser=%p, interfaceIndex=%d, protocol=%d, event=%d, fullName=\"%s\", rrclass=%u, rrtype=%u, rdata=%p, rdlen=%u, flags=%x, context=%p)", browser, interfaceIndex, protocol, event, fullName, rrclass, rrtype, rdata, (unsigned)rdlen, flags, context)); /* * Only process "add" data... @@ -3303,8 +3330,7 @@ cups_dnssd_query_cb( if (event != AVAHI_BROWSER_NEW) { if (event == AVAHI_BROWSER_FAILURE) - DEBUG_printf(("cups_dnssd_query_cb: %s", - avahi_strerror(avahi_client_errno(client)))); + DEBUG_printf(("cups_dnssd_query_cb: %s", avahi_strerror(avahi_client_errno(client)))); return; }
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