Client's JSon config interfacing

Communicate with the instance. More...

Classes
struct	impact_CClientInstance

Functions
struct impact_CClientInstance *	impact_NewClient (struct impact_CInstance *instance)
void	impact_DeleteClient (struct impact_CClientInstance *client)
const char *	impact_ProcessJson (struct impact_CClientInstance *client, const char *json_str, int *need_save)
void	impact_FreeJsonAnswer (const char *json_str)
int	impact_SaveState (struct impact_CInstance *instance)

Detailed Description

Allow low-level JSON configuration. see also JSON syntax

Function Documentation

impact_DeleteClient()

void impact_DeleteClient

(

struct impact_CClientInstance *

client

)

Deletes a client

Parameters

client

the client instance

impact_FreeJsonAnswer()

void impact_FreeJsonAnswer

(

const char *

json_str

)

Free a JSON answer returned by impact_ProcessJson

Parameters

json_str

the JSON request

impact_NewClient()

struct impact_CClientInstance * impact_NewClient

(

struct impact_CInstance *

instance

)

Creates a new client

Remarks

not needed if using a port for JSON socket in Update Management

Parameters

instance

the processing instance

Returns

A new client instance

impact_ProcessJson()

const char * impact_ProcessJson	(	struct impact_CClientInstance *	client,
		const char *	json_str,
		int *	need_save
	)

Process a JSON request

For syntax, see JSON syntax

Note

In all library, all char* are UTF-8 encoded

Attention

the return value needs to be freed with impact_FreeJsonAnswer

Parameters

client	the client instance
json_str	the JSON request
need_save	on return will be 1 is saving is required (maybe delayed)

Returns

a JSON answer (to be freed with impact_FreeJsonAnswer)

impact_SaveState()

int impact_SaveState

(

struct impact_CInstance *

instance

)

Save the current state

Needed when impact_ProcessJson returned with need_save to 1. However it can be postponed as much as wanted.

Remarks

Works only when update thread is running

Parameters

instance

the processing instance

Returns

0 if success, <0 on error