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ip2region_private
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getLong finished for nodejs client

This commit is contained in:
dongyado 2016-07-06 09:28:53 +08:00
parent 0fb5af9067
commit 0dd1a53d00
1 changed files with 9 additions and 4 deletions
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13
binding/nodejs/ip2region.js
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@ -33,9 +33,9 @@ function Ip2region(db_path)
{
var buffer = new Buffer(8);
fs.readSync(ip2r.db_fd, buffer, 0, 8, 0);
console.log(buffer[0]);
console.log(getLong(buffer, 0));
console.log(getLong(buffer, 4));
return ip2long(ip);
}
@ -55,9 +55,14 @@ function Ip2region(db_path)
return val;
}
function getLong(buffer)
function getLong(buffer, offset)
{
return (
(buffer[offset] & 0x000000FF ) |
((buffer[offset + 1] << 8) & 0x0000FF00) |
((buffer[offset + 2] << 16) & 0x00FF0000) |
((buffer[offset + 3] << 24) & 0xFF000000)
);
}
}