[pawsd] added service fetching utils

1 files changed, 72 insertions, 0 deletions

diff --git a/src/pawsd/service.lua b/src/pawsd/service.lua
new file mode 100644
index 0000000..8cbce77
--- /dev/null
+++ b/src/pawsd/service.lua
@@ -0,0 +1,72 @@
+--
+-- ~~~ response service utils
+--
+
+require("src/utils")
+
+-- setup pawsd
+local pawsd = {}
+pawsd.signature = require("src/pawsd/signature")
+pawsd.record = require("src/pawsd/record")
+pawsd.tag = require("src/pawsd/tag")
+
+-- get index of service
+function getserviceindex (response)
+
+    local indexStart = 15 + pawsd.signature.length(response)
+    return table.extracthex(response, indexStart, indexStart + 1)
+
+end
+
+-- get service flags
+function getserviceflags (response)
+
+    local flagsStart = 17 + pawsd.signature.length(response)
+    return table.extracthex(response, flagsStart, flagsStart + 3)
+
+end
+
+-- get number of records
+function getrecordnumber (response)
+
+    local recordsStart = 21 + pawsd.signature.length(response)
+    return tonumber(table.extracthex(response, recordsStart, recordsStart + 1), 16)
+
+end
+
+-- get all records
+function getallrecords (response)
+
+    print("\nR>--- Getting Records...")
+
+    local records = {}
+    local recordoffset = 23 + pawsd.signature.length(response)
+    local recordnumber = getrecordnumber(response)
+
+    print("\nR>--- Record Offset:                                                                        " .. recordoffset)
+    print("R>--- Number Of Records:                                                                    " .. recordnumber)
+
+    for recordindex = 1, recordnumber , 1 do
+
+        print("\nR>--- Getting Record " .. recordindex .. "...")
+
+        local record = pawsd.record.get(response, recordoffset)
+
+        records[recordindex] = record.tags
+        recordoffset = record.endoffset
+
+    end
+
+    return records
+
+end
+
+-- return
+return {
+    index = getserviceindex,
+    flags = getserviceflags,
+    records = {
+        count = getrecordnumber,
+        all = getallrecords
+    }
+}