Implemented multiple-pcap file download and monitor

scripts/lua/live_capture_data.lua

@@ -3,23 +3,43 @@
 --
 
 dirs = ntop.getDirs()
-package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
--- io.write ("Session:".._SESSION["session"].."\n")
-require "lua_utils"
 
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+require "lua_utils"
+local format_utils = require "format_utils"
+local json = require "dkjson"
 
 interface.select(ifname)
 
-sendHTTPContentTypeHeader('text/html')
+sendHTTPHeader('application/json')
 
-ntop.dumpFile(dirs.installdir .. "/httpdocs/inc/header.inc")
+local result = {}
 
-active_page = "home"
-dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
+local perPage = 5
+local currentPage = 1
+local total_rows = 1
+
+result["perPage"] = perPage
+result["currentPage"] = currentPage
+local lc = interface.dumpLiveCaptures()
+local res = {}
 
 
-local rc = interface.dumpLiveCaptures()
+for k,v in pairs(lc) do
+   local host = ""
+   local num_captured_packets = format_utils.formatValue(v.num_captured_packets)
+   local capture_max_pkts = v.capture_max_pkts
+   local diff = v.capture_until - os.time()
+   local capture_until = format_utils.formatEpoch(v.capture_until).." [ - "..diff.." sec ]"
+   local stop_href = "<A HREF=".. ntop.getHttpPrefix() .."/lua/stop_live_capture.lua?capture_id="..v.id.."><span class=\"label label-danger\">Stop <i class=\"fa fa-download\"></i></span></A>"
 
+   if(v.host ~= nil) then host = v.host end
+   res[#res + 1] = { host = host, num_captured_packets = num_captured_packets, capture_until = capture_until, stop_href = stop_href }
+end
 
+result["data"] = res
+result["totalRows"] = #res
 
-ntop.dumpFile(dirs.installdir .. "/httpdocs/inc/footer.inc")
+result["sort"] = {{sortColumn, sortOrder}}
+
+print(json.encode(result))