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From 06b79081237eff3ebd8719af55265855d446f3e6 Mon Sep 17 00:00:00 2001
From: Richard Jones <rjones@redhat.com>
Date: Thu, 11 Jun 2015 11:40:25 +0200
Subject: [PATCH 25/30] block.curl: adding 'timeout' option
Message-id: <1434022828-13037-19-git-send-email-rjones@redhat.com>
Patchwork-id: 65851
O-Subject: [RHEL-7.2 qemu-kvm v3 PATCH 18/21] block.curl: adding 'timeout' option
Bugzilla: 1226684
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
From: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
The curl hardcoded timeout (5 seconds) sometimes is not long
enough depending on the remote server configuration and network
traffic. The user should be able to set how much long he is
willing to wait for the connection.
Adding a new option to set this timeout gives the user this
flexibility. The previous default timeout of 5 seconds will be
used if this option is not present.
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
Reviewed-by: Benoit Canet <benoit.canet@nodalink.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Upstream-status: 212aefaa53d142baa9a22f5aadd2e72eb916c0c0
Note this intentionally omits the documentation changes in
'qemu-options.hx' from the upstream patch.
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
block/curl.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/block/curl.c b/block/curl.c
index 2486449..1f1df4f 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -63,6 +63,7 @@ static CURLMcode __curl_multi_socket_action(CURLM *multi_handle,
#define CURL_NUM_ACB 8
#define SECTOR_SIZE 512
#define READ_AHEAD_DEFAULT (256 * 1024)
+#define CURL_TIMEOUT_DEFAULT 5
#define FIND_RET_NONE 0
#define FIND_RET_OK 1
@@ -71,6 +72,7 @@ static CURLMcode __curl_multi_socket_action(CURLM *multi_handle,
#define CURL_BLOCK_OPT_URL "url"
#define CURL_BLOCK_OPT_READAHEAD "readahead"
#define CURL_BLOCK_OPT_SSLVERIFY "sslverify"
+#define CURL_BLOCK_OPT_TIMEOUT "timeout"
struct BDRVCURLState;
@@ -109,6 +111,7 @@ typedef struct BDRVCURLState {
char *url;
size_t readahead_size;
bool sslverify;
+ int timeout;
bool accept_range;
} BDRVCURLState;
@@ -379,7 +382,7 @@ static CURLState *curl_init_state(BDRVCURLState *s)
curl_easy_setopt(state->curl, CURLOPT_URL, s->url);
curl_easy_setopt(state->curl, CURLOPT_SSL_VERIFYPEER,
(long) s->sslverify);
- curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, 5);
+ curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, s->timeout);
curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION,
(void *)curl_read_cb);
curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state);
@@ -443,6 +446,11 @@ static QemuOptsList runtime_opts = {
.type = QEMU_OPT_BOOL,
.help = "Verify SSL certificate"
},
+ {
+ .name = CURL_BLOCK_OPT_TIMEOUT,
+ .type = QEMU_OPT_NUMBER,
+ .help = "Curl timeout"
+ },
{ /* end of list */ }
},
};
@@ -475,6 +483,9 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
goto out_noclean;
}
+ s->timeout = qemu_opt_get_number(opts, CURL_BLOCK_OPT_TIMEOUT,
+ CURL_TIMEOUT_DEFAULT);
+
s->sslverify = qemu_opt_get_bool(opts, CURL_BLOCK_OPT_SSLVERIFY, true);
file = qemu_opt_get(opts, CURL_BLOCK_OPT_URL);
--
1.8.3.1