API: Use libuuid to generate uuid. v3.0.165

trunk/configure

@@ -228,7 +228,7 @@ if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
             "srs_app_heartbeat" "srs_app_empty" "srs_app_http_client" "srs_app_http_static"
             "srs_app_recv_thread" "srs_app_security" "srs_app_statistic" "srs_app_hds"
             "srs_app_mpegts_udp" "srs_app_rtsp" "srs_app_listener" "srs_app_async_call"
-            "srs_app_caster_flv" "srs_app_latest_version" "srs_app_process" "srs_app_ng_exec"
+            "srs_app_caster_flv" "srs_app_latest_version" "srs_app_uuid" "srs_app_process" "srs_app_ng_exec"
             "srs_app_hourglass" "srs_app_dash" "srs_app_fragment" "srs_app_dvr"
             "srs_app_coworkers")
     DEFINES=""

trunk/src/app/srs_app_latest_version.cpp

@@ -33,6 +33,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <srs_app_http_conn.hpp>
 #include <srs_app_http_client.hpp>
 #include <srs_app_utility.hpp>
+#include <srs_app_uuid.hpp>
 
 #include <unistd.h>
 #include <sstream>
@@ -54,12 +55,16 @@ srs_error_t SrsLatestVersion::start()
         return srs_success;
     }
 
-    char buf[16];
-    srs_random_generate(buf, sizeof(buf));
-    for (int i = 0; i < (int)sizeof(buf); i++) {
-        buf[i] = 'a' + uint8_t(buf[i])%25;
+    if (true) {
+        uuid_t uuid;
+        uuid_generate_time(uuid);
+
+        char buf[32];
+        for (int i = 0; i < 16; i++) {
+            snprintf(buf + i * 2, sizeof(buf), "%02x", uuid[i]);
+        }
+        server_id_ = string(buf, sizeof(buf));
     }
-    server_id_ = string(buf, sizeof(buf));
 
     return trd_->start();
 }