INet

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Types and Constants

enum	ierror_t
struct	Http
struct	Url
struct	JsonOpts

The INet library implements general Internet protocols. Although Sockets allow us to open a communication channel between two remote machines, it is necessary to define a format for the messages that both interlocutors will exchange, in order for communication to be carried out satisfactorily. Any modern operating system provides APIs to use the most popular Internet services, like HTTP. INet accesses this functionality under a common unified and simplified interface (Figure 1).

Inet library dependency tree. — Figure 1: *INet* dependencies. See NAppGUI API .

enum ierror_t

Error codes of network connections.

enum ierror_t
{
    ekINONET,
    ekINOHOST,
    ekITIMEOUT,
    ekISTREAM,
    ekISERVER,
    ekINOIMPL,
    ekIUNDEF,
    ekIOK
};

ekINONET	There is no internet connection on the device.
ekINOHOST	Unable to connect to the remote server.
ekITIMEOUT	Maximum timeout for connection has been exceeded.
ekISTREAM	Error in the I/O channel when reading or writing.
ekISERVER	Error in server response format.
ekINOIMPL	Functionality not implemented.
ekIUNDEF	Undetermined error.
ekIOK	No error.

struct Http

Manage an HTTP connection initiated from the client process.

struct Http;

struct Url

Allows access to individual fields of a URL (web address) URL.

struct Url;

struct JsonOpts

Options when processing a JSON script.

struct JsonOpts;