diff options
| author | John Mark Bell <jmb@netsurf-browser.org> | 2010-02-10 00:32:12 +0000 |
|---|---|---|
| committer | John Mark Bell <jmb@netsurf-browser.org> | 2010-02-10 00:32:12 +0000 |
| commit | ee833877c5cd040121e3329f803604612fdd98f2 (patch) | |
| tree | 584f5dbd76b757dd415cfdc3538efff80e0478a4 /content/fetchers | |
| parent | f814ef97ce6cc0287ae1d75e8204683ab2ce6f33 (diff) | |
| download | netsurf-ee833877c5cd040121e3329f803604612fdd98f2.tar.gz netsurf-ee833877c5cd040121e3329f803604612fdd98f2.tar.bz2 | |
Rate limit fetch progress notifications.
svn path=/trunk/netsurf/; revision=9962
Diffstat (limited to 'content/fetchers')
| -rw-r--r-- | content/fetchers/fetch_curl.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/content/fetchers/fetch_curl.c b/content/fetchers/fetch_curl.c index f65894af3..e11829b46 100644 --- a/content/fetchers/fetch_curl.c +++ b/content/fetchers/fetch_curl.c @@ -79,6 +79,7 @@ struct curl_fetch_info { time_t file_etag; /**< ETag for local objects */ #define MAX_CERTS 10 struct cert_info cert_data[MAX_CERTS]; /**< HTTPS certificate data */ + unsigned int last_progress_update; /**< Time of last progress update */ }; struct cache_handle { @@ -97,7 +98,6 @@ static int curl_fetchers_registered = 0; static bool curl_with_openssl; static char fetch_error_buffer[CURL_ERROR_SIZE]; /**< Error buffer for cURL. */ -static char fetch_progress_buffer[256]; /**< Progress buffer for cURL */ static char fetch_proxy_userpwd[100]; /**< Proxy authentication details. */ static bool fetch_curl_initialise(const char *scheme); @@ -346,6 +346,7 @@ void * fetch_curl_setup(struct fetch *parent_fetch, const char *url, fetch->file_etag = 0; fetch->http_code = 0; memset(fetch->cert_data, 0, sizeof(fetch->cert_data)); + fetch->last_progress_update = 0; if (!fetch->url || (post_urlenc && !fetch->post_urlenc) || @@ -907,12 +908,24 @@ void fetch_curl_done(CURL *curl_handle, CURLcode result) int fetch_curl_progress(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow) { + static char fetch_progress_buffer[256]; /**< Progress buffer for cURL */ struct curl_fetch_info *f = (struct curl_fetch_info *) clientp; + unsigned int time_now_cs; double percent; if (f->abort) return 0; + /* Rate limit each fetch's progress notifications to 2 a second */ +#define UPDATES_PER_SECOND 2 +#define UPDATE_DELAY_CS (100 / UPDATES_PER_SECOND) + time_now_cs = wallclock(); + if (time_now_cs - f->last_progress_update < UPDATE_DELAY_CS) + return 0; + f->last_progress_update = time_now_cs; +#undef UPDATE_DELAY_CS +#undef UPDATES_PERS_SECOND + if (dltotal > 0) { percent = dlnow * 100.0f / dltotal; snprintf(fetch_progress_buffer, 255, |