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Frank Ch. Eigler 03bb9dbb2d debuginfod-client default_progressfn: formatting fix 
The saga of clean $DEBUGINFOD_PROGRESS=1 output continues.  Previous
code would sometimes insert a \n (a blank line) into the output
stream, even if the target file was found in a cache and thus the
progressfn was never called.  New code sets a client flag to track
this case more precisely.

Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
2020-03-29 15:13:47 -04:00

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2020-03-29 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-client.c (struct debuginfod_client): Add a flag field
for progressfn printing.
(default_progressfn): Set it if printing \rsomething.
(debuginfod_end): Terminate with \n if flag set, i.e., only if the
default_progressfn was actually called.
2020-03-27 Mark Wielaard <mark@klomp.org>
* debuginfod.cxx (parse_opt): Check port is not zero.
2020-03-28 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (handle_buildid_r_match): During archive
extraction / fdcache prefetching, set the mtime of each
file in the cache.
2020-03-27 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-find.c (main): Extract buildid from /binary/ if
given instead of hex string.
* Makefile.am: Add elfutils library prereqs for debuginfod-find.
2020-03-24 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.h, libdebuginfod.map: New functions for _add_url_header.
* debuginfod-client.c (struct debuginfod_client): Add headers fields.
(debuginfod_add_http_header): New client api to add outgoing headers.
(add_default_headers): Renamed from add_extra_headers, skip if flag.
(debuginfod_query_server): Pass accumulated headers to libcurl.
(debuginfod_end): Clean accumulated headers.
(debuginfod_find_*): Add default headers at this point.
* debuginfod.cxx (handle_buildid): Add conn pointer. Use it to relay
incoming UA and XFF headers to federated upstream debuginfods.
2020-03-26 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (handler_cb): Export two families of metrics for
prometheus traffic analysis: response times and data amounts.
2020-03-26 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (parse_opt): For -U, prefer dpkg-deb
after all if access(3)-able, fallback to bsdtar.
2020-03-25 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (parse_opt): Associate a bsdtar subshell with
the .deb & .ddeb extensions, instead of dpkg-deb.
2020-03-26 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-client.c (debuginfod_query_server): Don't
set CURLOPT_PATH_AS_IS on old curl. Mostly harmless.
2020-03-24 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-client.c (debuginfod_query_server): Set
CURLOPT_PATH_AS_IS, to propagate file names verbatim.
* debuginfod.cxx (canon_pathname): Implement RFC3986
style pathname canonicalization.
(handle_buildid): Canonicalize incoming webapi source
paths, accept either one.
(scan_source_file, archive_classify): Store both
original and canonicalized dwarf-source file names.
2020-03-24 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (handle_buildid): In case of federated fallback
queries, handle errors analogously to local ENOENT/404.
(handle_metrics): Return a size-of-response value.
(handler_cb): Add code to time entire application-side processing
stage + response sizes + http codes, so as to emit a complete
httpd-flavoured log line for each webapi request.
2020-03-24 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-client.c (debuginfod_query_server): Print the
default_progressfn terminating \n message only if that progressfn
is actually set.
2020-03-24 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-find.c (main): Correct /source full-pathness check for
"debuginfod-find -v source deadbeef /pathname" case.
2020-03-22 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-client.c (struct debuginfod_client): Add url field.
(struct handle_data): Add client field as backpointer.
(debuginfod_write_callback): Compute & save URL.
(default_progressfn): Print front pieces of the URL.
(debuginfod_query_server): Clear URL and cleanup after progressfn.
* debuginfod-find.c (main): Print URL at transfer conclusion.
2020-03-22 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.h, libdebuginfod.map: New functions for _get/set_user().
* debuginfod-client.c: Implement them.
* debuginfod-find.c: Include a token call just for testing them.
2020-03-03 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (debuginfod_query_server): Update
cache_path even when new default path already exists.
2020-02-27 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (xalloc_str): New macro. Call
asprintf with error checking.
(debuginfod_query_server): Use XDG_CACHE_HOME as a default
cache location if it is set. Replace snprintf with xalloc_str.
2020-02-26 Konrad Kleine <kkleine@redhat.com>
* debuginfod-client.c (debuginfod_query_server): Handle curl's
response code correctly when DEBUGINFOD_URLS begin with file://
2020-02-25 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (parse_opt): Treat -R as if -Z.rpm .
2020-02-25 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (fdcache_prefetch): New parameter.
(parse_opt): Parse it.
(main): Default it.
(fdcache::fd_size_mb): Change to double for accuracy.
(fdcache::probe): New function.
(fdcache::intern): New option to intern at end of LRU.
(fdcache::lookup): Clean fdcache.
(handle_buildid_r_match): Implement multi-stage archive
parsing, with optional prefetching of extracted contents
into the fdcache.
2020-02-19 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c (debuginfod_clean_cache): Restrict
cleanup to client-pattern files.
2020-02-05 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (argp options): Add -Z option.
(canonicalized_archive_entry_pathname): New function for
distro-agnostic file name matching/storage.
2020-01-22 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (dwarf_extract_source_paths): Don't print
"skipping hat" messages at verbosity <=3, too noisy.
2020-01-19 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (scanq): Rework to let groomer/fts threads
synchronize with an empty workqueue, and lock out workqueue
consumers.
(thread_groom): Adopt new scanq idle APIs to lock out scanners.
(thread_main_fts_source_paths): Adopt new scanq idler API to
avoid being restarted while scanners haven't even finished yet.
(thread_main_*): Increment thread_work_total metric only after
a work cycle is completed, not when it begins.
2020-01-18 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (thread_main_scanner): Handle empty source_paths[].
2020-01-11 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (libarchive_fdcache): New class/facility to own a
cache of temporary files that were previously extracted from an
archive. If only it could store just unlinked fd's instead of
filenames.
(handle_buildid_r_match): Use it to answer dwz/altdebug and webapi
requests.
(groom): Clean it.
(main): Initialize the cache control parameters from heuristics.
Use a consistent tmpdir for these and tmp files elsewhere.
2020-01-11 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (conninfo): Print User-Agent and X-Forwarded-For
request headers, after mild safety-censorship (for easier machine
processing).
2020-01-11 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx: Rework threading model.
(workq): New class for concurrent work-queue.
(semaphore): Removed class, now unused.
(scan_source_file_path): Rework into ...
(scan_source_file): New function.
(thread_main_scan_source_file_path): Nuke.
(scan_source_archive_path): Rework into ...
(scan_archive_file): New function.
(thread_main_scanner): New function for scanner threads.
(thread_main_fts_source_paths): New function for traversal thread.
(scan_source_paths): ... doing this.
(thread_groom): Tweak metrics for consistency.
(main): Start 1 traversal and N scanner threads if needed.
2019-01-02 Mark Wielaard <mark@klomp.org>
* debuginfod.cxx (default_connect_timeout): Removed.
(default_transfer_timeout): Removed.
(default_timeout): New. Default to 90 seconds.
(debuginfod_query_server): Parse server_timeout_envvar as one number.
Set as CURLOPT_LOW_SPEED_TIME, with CURL_OPT_LOW_SPEED_LIMITE as 100K.
2020-01-09 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-client.c (add_extra_headers): New function,
based on mjw's draft.
(debuginfod_query_server): Call it.
2019-12-22 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (*_rpm_*): Rename to *_archive_* throughout.
(scan_archives): New read-mostly global to identify archive
file extensions and corresponding extractor commands.
(parse_opt): Handle new -U flag.
2019-12-19 Frank Ch. Eigler <fche@redhat.com>
* debuginfod-client.c (default_progressfn): New function.
(debuginfod_begin): Use it if $DEBUGINFOD_PROGRESS set.
(server_timeout): Bump to 30 seconds.
(debuginfod_query_server): Call progressfn -after- rather than
before curl ops, to make it likely that a successful transfer
results in final a=b call. Tweak cleanup sequence.
* debuginfod.h: Document $DEBUGINFOD_PROGRESS name.
2019-12-09 Mark Wielaard <mark@klomp.org>
* debuginfod-client.c (debuginfod_query_server): Check
server_urls_envvar early.
2019-12-03 Mark Wielaard <mark@klomp.org>
* debuginfod-client.c (debuginfod_query_server): Use separate
local variables for CURLcode curl_res and CURLMcode curlm_res.
2019-11-26 Mark Wielaard <mark@klomp.org>
* Makefile.am (BUILD_STATIC): Add needed libraries for libdw and
libdebuginfod.
2019-11-25 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx (groom): Add a sqlite3_db_release_memory()
at the end of periodic grooming to try to shrink the process.
2019-11-24 Mark Wielaard <mark@klomp.org>
* debuginfod.cxx (test_webapi_sleep): Removed.
(handler_cb): Don't check test_webapi_sleep and sleep.
(main): Don't set test_webapi_sleep.
2019-11-24 Mark Wielaard <mark@klomp.org>
* debuginfod.cxx (add_metric): New function.
(scan_source_file_path): Record metrics for
found_executable_total, found_debuginfo_total and
found_sourcerefs_total.
(scan_source_rpm_path): Likewise.
2019-11-07 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx: Add /metrics endpoint. Add numerous
calls to new functions inc_metric/set_metric to populate
threadsafe map containing stats. Add http content-type
response headers throughout.
(thread_main_*): Simplify counter/timer flow.
(main): Reorder web service shutdown to leave http running
as long as possible.
* debuginfod.8: Document it, add security caution.
2019-11-06 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx: Add new -L (symlink-following) mode.
* debuginfod.8: Document it.
2019-11-04 Frank Ch. Eigler <fche@redhat.com>
* debuginfo-client.c (debuginfod_set_progressfn): New function
for progress/interrupt callback.
(debuginfod_clean_cache, debuginfod_query_server): Call it.
* debuginfo.h: Declare it.
* debuginfod_set_progressfn.3, *_find_debuginfo.3: Document it.
* Makefile.am: Install it.
* libdebuginfod.map: Export it all under ELFUTILS_0.178 symversion.
* debuginfod-find.c: Add -v option to activate progress cb.
* debuginfod-find.1: Document it.
* debuginfod.cxx: Add $DEBUGINFOD_TEST_WEBAPI_SLEEP env var
to insert sleep in webapi callbacks, to help manual testing.
2019-10-28 Frank Ch. Eigler <fche@redhat.com>
* debuginfod.cxx: New file: debuginfod server.
* debuginfod.8: New file: man page.
* Makefile.am: Build it.
2019-10-28 Aaron Merey <amerey@redhat.com>
* debuginfod-client.c: New file: debuginfod client library.
* debuginfod.h: New file: header for same.
* libdebuginfod.map: New file: govern its solib exports.
* debuginfod-find.c: New file: command line frontend.
* debuginfod-find.1, debuginfod_find_source.3,
debuginfod_find_executable.3, debuginfod_find_debuginfo.3:
New man pages.
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