Doing this would be tricky. It would probably involve leaning on HeaderHash::in_word_set() (this will map a string to a header-type) and a very large switch statement on the header-type. This would be time-consuming to say the least, and prone to breakage if new header-types are added.
Best regards, Byron Campen Thank you Byron, but as my function, the user call this function and passed the headerName as parameter, I do not know the header is built-in header or is extension header, so I want to found common way. I just think a stupid idea, use the case to mapping headerName parameter with the buit-in headers. void GetHeaderValue(Data buff, string headerName) { SipMessage * message = SipMessage::make(buff);
if (!message)
{
return ;
} case h_to: compare headerName with "to" break case h_from: compare headerName with "to" break default: it's extension header. break ExtensionHeader h_Extension(headerName.c_str());
if (message->exists(h_Extension) == false)
{
return ;
}
if (message->header(h_Extension).empty() == true)
{
return ;
}
if (message->header(h_Extension).front().isWellFormed() == false)
{
return ;
}
Data temp(message->header(h_Extension).front().value()); } But this is not pretty. 2008/3/25, Byron Campen <bcampen@xxxxxxxxxxxx>: You don't access the headers with built-in support with
ExtensionHeader. You need to use the already-defined header access
tokens. (see http://www.resiprocate.org/Use_Overview#Headers)
Best regards,
Byron Campen
> Hi, I want to write a function to got the headers value. it's
> working fine with Extension header, but for the
> RFC header, likes contact, to, from. I got assert error,.
> How to mofify this function then it can be working with
> RFC headers and extension headers both?
>
> Thank you in advance.
>
>
> void GetHeaderValue(Data buff, string headerName)
> {
> SipMessage * message = SipMessage::make(buff);
> if (!message)
> {
> return ;
> }
> ExtensionHeader h_Extension(headerName.c_str());
> if (message->exists(h_Extension) == false)
> {
> return ;
> }
>
>
> if (message->header(h_Extension).empty() == true)
> {
> return ;
> }
>
>
> if (message->header(h_Extension).front().isWellFormed() == false)
> {
> return ;
> }
>
> Data temp(message->header(h_Extension).front().value());
>
>
>
> }
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