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authorfmartian <FredMartian@gmail.com>2025-08-18 21:16:54 +0200
committerGitHub <noreply@github.com>2025-08-18 12:16:54 -0700
commit89c373c20b6032bab819e99cc8ace7b7e6b92360 (patch)
tree66779c01f62f98e56ef1667acdbd3cb5bd79ae39 /indra/llcorehttp/_httpoprequest.cpp
parent527ee429e616e85ce388c9aa65dde3b13b777ff4 (diff)
Add new LastModified option to HttpRequest handling (#4563)
* Add LastModified: option to the HttpOptions and handle it properly in HttpOpRequest::prepareRequest() * grid_name could be empty if an invalid grid was passed in.
Diffstat (limited to 'indra/llcorehttp/_httpoprequest.cpp')
-rw-r--r--indra/llcorehttp/_httpoprequest.cpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/indra/llcorehttp/_httpoprequest.cpp b/indra/llcorehttp/_httpoprequest.cpp
index 6186e7a308..081a4d9bac 100644
--- a/indra/llcorehttp/_httpoprequest.cpp
+++ b/indra/llcorehttp/_httpoprequest.cpp
@@ -538,6 +538,7 @@ HttpStatus HttpOpRequest::prepareRequest(HttpService * service)
long sslHostV(0L);
long dnsCacheTimeout(-1L);
long nobody(0L);
+ curl_off_t lastModified(0L);
if (mReqOptions)
{
@@ -546,6 +547,7 @@ HttpStatus HttpOpRequest::prepareRequest(HttpService * service)
sslHostV = mReqOptions->getSSLVerifyHost() ? 2L : 0L;
dnsCacheTimeout = mReqOptions->getDNSCacheTimeout();
nobody = mReqOptions->getHeadersOnly() ? 1L : 0L;
+ lastModified = (curl_off_t)mReqOptions->getLastModified();
}
check_curl_easy_setopt(mCurlHandle, CURLOPT_FOLLOWLOCATION, follow_redirect);
@@ -554,6 +556,17 @@ HttpStatus HttpOpRequest::prepareRequest(HttpService * service)
check_curl_easy_setopt(mCurlHandle, CURLOPT_NOBODY, nobody);
+ if (lastModified)
+ {
+ check_curl_easy_setopt(mCurlHandle, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
+#if (LIBCURL_VERSION_NUM >= 0x073B00)
+ // requires curl 7.59.0
+ check_curl_easy_setopt(mCurlHandle, CURLOPT_TIMEVALUE_LARGE, lastModified);
+#else
+ check_curl_easy_setopt(mCurlHandle, CURLOPT_TIMEVALUE, (long)lastModified);
+#endif
+ }
+
// The Linksys WRT54G V5 router has an issue with frequent
// DNS lookups from LAN machines. If they happen too often,
// like for every HTTP request, the router gets annoyed after