6.3 Printing Socket Addresses

If you construct an address for the Simple Mail Transfer Protocol (SMTP) port on Rogue Wave's mail gateway using this code:

RWSockAddr addr = "inet:roguewave.com:25";

you can print the address using this code:

cout << addr;

The output is:

roguewave.com:25

You can also use the function RWSocket::id() to get an ASCII representation of the socket address. You can print the address using this code:

cout << addr.id();

The id() function enables you to tailor the amount of output by supplying an optional argument. The argument is an integer between 0 and 9, and (in general) controls the amount of output -- the higher the argument, the more descriptive the output.

For example, addr.id(9) returns the string:

inet:stream:roguewave.com(198.68.9.6):25(smtp,mail).

Table 1 shows sample output from id() for each value of its parameter for an Internet stream address. Other address types will have different output.

Table 1: Behavior of id and sample output for an Internet stream address 

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