altsvc: keep a copy of the file name to survive handle reset

The alt-svc cache survives a call to curl_easy_reset fine, but the file
name to use for saving the cache was cleared. Now the alt-svc cache has
a copy of the file name to survive handle resets.

Added test 1908 to verify.

Reported-by: Craig Andrews
Fixes #4898
Closes #4902

1 files changed, 71 insertions, 0 deletions

diff --git a/tests/data/test1908 b/tests/data/test1908
new file mode 100644
index 000000000..de34d0ee2
--- /dev/null
+++ b/tests/data/test1908
@@ -0,0 +1,71 @@
+<testcase>
+<info>
+<keywords>
+CURLINFO_EFFECTIVE_URL
+</keywords>
+</info>
+
+# Server-side
+<reply>
+<data nocheck="yes">
+HTTP/1.1 200 OK
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake
+Content-Type: text/html
+Funny-head: yesyes swsclose
+Content-Length: 0
+alt-svc: h2="3dbbdetxoyw4nsp6c3cc456oj2ays6s43ezxzsfxxri3h5xqd.example:443"; ma=315360000; persist=1
+
+</data>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+
+# require debug so that alt-svc can work over plain old HTTP
+<features>
+alt-svc
+debug
+</features>
+<name>
+alt-svc cache save after resetting the handle
+</name>
+<setenv>
+# make debug-curl accept Alt-Svc over plain HTTP
+CURL_ALTSVC_HTTP="yeah"
+</setenv>
+<tool>
+lib1908
+</tool>
+
+<command>
+%HOSTIP:%HTTPPORT/1908
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+<strip>
+^User-Agent:.*
+</strip>
+<protocol>
+GET /1908 HTTP/1.1

+Host: %HOSTIP:%HTTPPORT

+Accept: */*

+

+</protocol>
+<stripfile>
+# strip out the (dynamic) expire date from the file so that the rest
+# matches
+s/\"([^\"]*)\"/TIMESTAMP/
+</stripfile>
+<file name="log/altsvc-1908">
+# Your alt-svc cache. https://curl.haxx.se/docs/alt-svc.html
+# This file was generated by libcurl! Edit at your own risk.
+h1 127.0.0.1 8990 h2 3dbbdetxoyw4nsp6c3cc456oj2ays6s43ezxzsfxxri3h5xqd.example 443 TIMESTAMP 1 0
+</file>
+</verify>
+</testcase>