open62541/include/ua_client.h

#include "ua_util.h"
#include "ua_types.h"
#include "ua_connection.h"

/**
 * The client networklayer can handle only a single connection. The networklayer
 * is only concerned with getting messages to the client and receiving them.
 */
typedef struct {
    UA_StatusCode (*connect)(const UA_String endpointUrl, void **resultHandle);
    void (*disconnect)(void *handle);
    UA_StatusCode (*send)(void *handle, UA_ByteStringArray gather_buf);
    // the response buffer exists on the heap. the size shall correspond the the connection settings
    UA_StatusCode (*awaitResponse)(void *handle, UA_ByteString *response, UA_UInt32 timeout);
} UA_ClientNetworkLayer;

struct UA_Client;
typedef struct UA_Client UA_Client;

UA_Client UA_EXPORT * UA_Client_new(void);

UA_StatusCode UA_EXPORT UA_Client_connect(UA_Client *c, UA_ConnectionConfig conf,
                                          UA_ClientNetworkLayer networkLayer, char *endpointUrl);

UA_StatusCode UA_EXPORT UA_Client_disconnect(UA_Client *c);

UA_ReadResponse UA_EXPORT UA_Client_read(UA_Client *c, const UA_ReadRequest *request);
UA_WriteResponse UA_EXPORT UA_Client_write(UA_Client *c, const UA_WriteRequest *request);
UA_BrowseResponse UA_EXPORT UA_Client_browse(UA_Client *c, const UA_BrowseRequest *request);