James Fuller xquery
xquery
/ gist:9a34041070679793886994296300da20
Created
February 3, 2020 14:14
perf stat curl httpbin.org/get
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| # Samples: 27 of event 'cpu-clock:pppH' | |
| # Event count (approx.): 6750000 | |
| # | |
| # Overhead Command Shared Object Symbol | |
| # ........ ....... ................... .......................... | |
| # | |
| 7.41% curl [kernel.kallsyms] [k] arch_local_irq_enable | |
| 7.41% curl [kernel.kallsyms] [k] arch_local_irq_restore | |
| 7.41% curl ld-musl-x86_64.so.1 [.] _dlstart | |
| 3.70% curl [kernel.kallsyms] [k] __neigh_event_send |
xquery
/ gist:dcff4e5e295cb18001d1d5bffc6d3a56
Created
February 4, 2020 17:14
declaring http3 victory
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| curl -v --http3 https://localhost:81 | |
| * Trying ::1:81... | |
| * Immediate connect fail for ::1: Address not available | |
| * Trying 127.0.0.1:81... | |
| * Connect socket 5 over QUIC to 127.0.0.1:81 | |
| * QUIC handshake is completed | |
| * Using HTTP/3 Stream ID: 0 (easy handle 0x5633c5d491a0) | |
| > GET / HTTP/3 | |
| > Host: localhost:81 | |
| > user-agent: curl/7.69.0-DEV |
xquery
/ gist:e29009ab6c24be1fa7f9f45e78aca42b
Created
February 4, 2020 19:41
hack dockerfile that builds patched openssl, nghttp3, ngtcp2, curl and sets up aoiquic, runs server on port 81 and we get success with curl -v --http3 https://localhost:81
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| FROM registry.hub.docker.com/library/alpine | |
| ############################################################### | |
| # build curl | |
| ############################################################### | |
| # install deps and use latest curl release source | |
| RUN \ | |
| apk add \ | |
| build-base \ | |
| emacs \ |
xquery
/ gist:3623cf974f5cfdeb08db549cd9639957
Created
February 6, 2020 07:59
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| bash-5.0# curl -v --http3 https://f0bc1400606e:82 | |
| * Trying 172.27.0.4:82... | |
| * Connect socket 5 over QUIC to 172.27.0.4:82 | |
| * QUIC handshake is completed | |
| * Using HTTP/3 Stream ID: 0 (easy handle 0x557010d671a0) | |
| > GET / HTTP/3 | |
| > Host: f0bc1400606e:82 | |
| > user-agent: curl/7.69.0-DEV | |
| > accept: */* | |
| > |
xquery
/ gist:9a1b4fec7ce49b3531986874e1949967
Created
February 6, 2020 09:22
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| curl -v --http3 https://quic.tech:8443 | |
| * Trying 185.92.221.97:8443... | |
| * Connect socket 5 over QUIC to 185.92.221.97:8443 | |
| * QUIC handshake is completed | |
| * Using HTTP/3 Stream ID: 0 (easy handle 0x55610fc751a0) | |
| > GET / HTTP/3 | |
| > Host: quic.tech:8443 | |
| > user-agent: curl/7.69.0-DEV | |
| > accept: */* | |
| > |
xquery
/ gist:21f032a4707736d4f29dfc1680d22a9e
Created
February 6, 2020 18:53
initial perf runs on curl http3 usage
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| perf stat -r 100 curl --silent --http3 https://server-aioquic:443 -o /dev/null | |
| Performance counter stats for 'curl --silent --http3 https://server-aioquic:443 -o /dev/null' (100 runs): | |
| 15.54 msec task-clock # 0.766 CPUs utilized ( +- 1.42% ) | |
| 13 context-switches # 0.855 K/sec ( +- 11.32% ) | |
| 0 cpu-migrations # 0.010 K/sec ( +- 24.68% ) | |
| 369 page-faults # 0.024 M/sec ( +- 0.04% ) | |
| <not supported> cycles | |
| <not supported> instructions |
xquery
/ gist:d8b931d618d9104354ae03ede50483a3
Created
February 28, 2020 14:31
primitive scraping links
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| curl httpbin.org | \ | |
| sed 's/href=/\nhref=/g' | \ | |
| grep href=\" | \ | |
| sed 's/.*href="//g;s/".*//g' |
xquery
/ gist:c8a4d12ff1e83ea5fb3c93c27ea7659f
Created
March 6, 2020 12:56
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| buildconf: autoconf version 2.69 (ok) | |
| buildconf: autom4te version 2.69 (ok) | |
| buildconf: autoheader version 2.69 (ok) | |
| buildconf: automake version 1.15 (ok) | |
| buildconf: aclocal version 1.15 (ok) | |
| buildconf: libtoolize version 2.4.6 (ok) | |
| buildconf: GNU m4 version 1.4.17 (ok) |
xquery
/ gist:d080066425922f4ed634a5e17d328f51
Created
March 8, 2020 10:21
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| @@ -694,6 +694,9 @@ static CURLcode ssh_force_knownhost_key_type(struct connectdata *conn) | |
| while(!libssh2_knownhost_get(sshc->kh, &store, store)) { | |
| /* For non-standard ports, the name will be enclosed in */ | |
| /* square brackets, followed by a colon and the port */ | |
| + if(store == NULL) | |
| + found = false; | |
| + break; | |
| if(store->name[0] == '[') { | |
| kh_name_end = strstr(store->name, "]:"); | |
| if(!kh_name_end) { |
xquery
/ gist:c68fb35968b778ea3bf80081bab58532
Last active
March 8, 2020 16:30
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| diff --git a/lib/vssh/libssh2.c b/lib/vssh/libssh2.c | |
| index 8e043747e..b349d7ba7 100644 | |
| --- a/lib/vssh/libssh2.c | |
| +++ b/lib/vssh/libssh2.c | |
| @@ -694,25 +694,27 @@ static CURLcode ssh_force_knownhost_key_type(struct connectdata *conn) | |
| while(!libssh2_knownhost_get(sshc->kh, &store, store)) { | |
| /* For non-standard ports, the name will be enclosed in */ | |
| /* square brackets, followed by a colon and the port */ | |
| - if(store->name[0] == '[') { | |
| - kh_name_end = strstr(store->name, "]:"); |