FreeCalypso > hg > tcs211-c139
diff g23m/condat/com/include/socket_api.h @ 0:509db1a7b7b8
initial import: leo2moko-r1
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Mon, 01 Jun 2015 03:24:05 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/g23m/condat/com/include/socket_api.h Mon Jun 01 03:24:05 2015 +0000 @@ -0,0 +1,825 @@ +/* ++------------------------------------------------------------------------------ +| File: socket.h ++------------------------------------------------------------------------------ +| Copyright 2002 Texas Instruments Berlin, AG +| All rights reserved. +| +| This file is confidential and a trade secret of Texas +| Instruments Berlin, AG +| The receipt of or possession of this file does not convey +| any rights to reproduce or disclose its contents or to +| manufacture, use, or sell anything it may describe, in +| whole, or in part, without the specific written consent of +| Texas Instruments Berlin, AG. ++----------------------------------------------------------------------------- +| Purpose : This file implements the socket specific definitions to be used by applications in order to +| set up a connection(GPRS or CSD) or create sockets for data receiption. +| For a description of the socket API read g23m\condat\doc\8462_601.doc ++----------------------------------------------------------------------------- +*/ + +#ifndef __SOCKET_H__ +#define __SOCKET_H__ + +#include "typedefs.h" +#include "vsi.h" +#include "gsm.h" +#include "prim.h" // to get the DCM defines + +/* + * Maximum length of the full-qualified domain name of an Internet host + */ +#define SOCK_MAXHOSTNAMELEN 255 + +/* Maximum length (in octets) of a GPRS Access Point Name (APN). */ +#define SOCK_MAX_APN_LEN CDCM_APN_MAX_LEN + +/* Maximum length (in octets) of a telephone number. */ +#define SOCK_MAX_PHONENUM_LEN CDCM_PHONE_NR_LEN + +/* Maximum length (in octets) of a user id. */ +#define SOCK_MAX_USERID_LEN CDCM_USER_MAX_LEN + +/* Maximum length (in octets) of a user password. */ +#define SOCK_MAX_PASSWORD_LEN CDCM_PASSWORD_MAX_LEN + +/* + * Type of an IP protocol + * The values of this type are used as the 'ipproto' argument when creating + * a socket to specify if a UDP socket or a TCP socket shall be created. + */ +typedef enum { + SOCK_IPPROTO_TCP = 6, + SOCK_IPPROTO_UDP = 17 +} T_SOCK_IPPROTO; + + +/* + * Type of a socket descriptor + */ +typedef unsigned long T_SOCK_SOCKET; + +/* + * Type of an API instance + */ +typedef unsigned long T_SOCK_API_INSTANCE; + +/* + * Type of an IP version 4 addresses in network byte order + */ +typedef unsigned long T_SOCK_IPADDR; + +#define SOCK_IPADDR_ANY (T_SOCK_IPADDR)0 /* Unspecified IP address */ + +/* + * UDP or TCP port number in network byte order + */ +typedef unsigned short T_SOCK_PORT; + +#define SOCK_PORT_ANY (T_SOCK_PORT)0 /* Unspecified port number */ + +/* + * Convert U32 value from host byte order to network byte order + */ +#define SOCK_HTONL( x ) \ + ((U32)((((U32)( x ) & 0x000000ffU) << 24) | \ + (((U32)( x ) & 0x0000ff00U) << 8) | \ + (((U32)( x ) & 0x00ff0000U) >> 8) | \ + (((U32)( x ) & 0xff000000U) >> 24))) + +/* + * Convert U16 value from host byte order to network byte order + */ +#define SOCK_HTONS( x ) \ + ((U16)((((U16)( x ) & 0x00ff) << 8) | \ + (((U16)( x ) & 0xff00) >> 8))) + +/* + * Convert U32 value from network byte order to host byte order + */ +#define SOCK_NTOHL( x ) \ + ((U32)((((U32)( x ) & 0x000000ffU) << 24) | \ + (((U32)( x ) & 0x0000ff00U) << 8) | \ + (((U32)( x ) & 0x00ff0000U) >> 8) | \ + (((U32)( x ) & 0xff000000U) >> 24))) + +/* + * Convert U16 value from network byte order to host byte order + */ +#define SOCK_NTOHS( x ) \ + ((U16)((((U16)( x ) & 0x00ff) << 8) | \ + (((U16)( x ) & 0xff00) >> 8))) + +/* + * Construct IP address in network byte order from single octets. + */ +#define SOCK_MK_IPADDR( a, b, c, d ) \ + ((T_SOCK_IPADDR)((a << 24) | (b << 16) | (c << 8) | d)) + +/* + * Type of a Socket API event + */ +typedef enum { + SOCK_CREATE_CNF = 1, /* Result event of sock_create() */ + SOCK_CLOSE_CNF = 2, /* Result event of sock_close() */ + SOCK_BIND_CNF = 3, /* Result event of sock_bind() */ + SOCK_LISTEN_CNF = 4, /* Result event of sock_listen() */ + SOCK_CONNECT_CNF = 5, /* Result event of sock_connect() */ + SOCK_SOCKNAME_CNF = 6, /* Result event of sock_getsockname() */ + SOCK_PEERNAME_CNF = 7, /* Result event of sock_getpeername() */ + SOCK_HOSTINFO_CNF = 8, /* Result event of sock_gethostbyname() or sock_gethostbyaddr() */ + SOCK_MTU_SIZE_CNF = 9, /* Result event of sock_get_mtu_size() */ + SOCK_RECV_IND = 10, /* Network event: data has been received */ + SOCK_CONNECT_IND = 11, /* Network event: an incoming connection has been accepted. */ + SOCK_CONN_CLOSED_IND = 12, /* Network event: connection has been closed by the remote peer */ + SOCK_ERROR_IND = 13, /* Network event: an asynchronous error has occurred */ + SOCK_FLOW_READY_IND = 14, /* Flow control: the API is ready to send data again */ + + SOCK_OPEN_BEARER_CNF, // Result Event of sock_open_bearer() + SOCK_CLOSE_BEARER_CNF, // Result event of sock_close_bearer() + SOCK_BEARER_INFO_CNF, // Result event of sock_bearer_info() + SOCK_BAERER_CLOSED_IND // The bearer connection has been closed +} T_SOCK_EVENTTYPE; + +/* + * Result codes of the API functions to indicate success or an error condition. + * This type is used as the result code of the function and as the result value + * in the associated event. It is also used for the error codes of a + * 'SOCK_ERROR_IND' event + */ +typedef enum { + SOCK_RESULT_OK = 0, /* No problem detected. a corresponding primitive has been sent to the TCP/IP entity */ + SOCK_RESULT_INVALID_PARAMETER = 1, /* A parameter given to the function is invalid */ + SOCK_RESULT_INTERNAL_ERROR = 2, /* An internal error has happened */ + SOCK_RESULT_ADDR_IN_USE = 3, /* The address or port is already in use */ + SOCK_RESULT_OUT_OF_MEMORY = 4, /* There is not enough memory to fulfill the request */ + SOCK_RESULT_NOT_SUPPORTED = 5, /* The socket is not of a type that can support this operation */ + SOCK_RESULT_UNREACHABLE = 6, /* The specified host cannot be reached */ + SOCK_RESULT_CONN_REFUSED = 7, /* The connection to the specified address was refused by the remote host */ + SOCK_RESULT_TIMEOUT = 8, /* The connection attempt timed out without establishing a connection */ + SOCK_RESULT_IS_CONNECTED = 9, /* The request could not be fulfilled because the socket is already connected */ + SOCK_RESULT_HOST_NOT_FOUND = 10, /* The specified host could not be found in the DNS */ + SOCK_RESULT_DNS_TEMP_ERROR = 11, /* A temporary DNS error has occurred. Retrying the query may be successful */ + SOCK_RESULT_DNS_PERM_ERROR = 12, /* A permanent DNS error has occurred */ + SOCK_RESULT_NO_IPADDR = 13, /* The specified name has been found in the DNS, but no IP address is available */ + SOCK_RESULT_NOT_CONNECTED = 14, /* The socket has not been connected yet */ + SOCK_RESULT_MSG_TOO_BIG = 15, /* The size of the data buffer is too large for a UDP socket */ + SOCK_RESULT_CONN_RESET = 16, /* The connection has been reset by the remote peer */ + SOCK_RESULT_CONN_ABORTED = 17, /* The connection was aborted due to timeout or some other error condition */ + SOCK_RESULT_NO_BUFSPACE = 18, /* Sending failed temporarily because the space to buffer the message was exhausted. */ + SOCK_RESULT_NETWORK_LOST, // As a result code: The operation failed because TCP/IP's bearer connection has been disconnected.As an asynchronous event code: The bearer connection has been closed. + SOCK_RESULT_NOT_READY, // The operation failed because the bearer connection has not been opened. + SOCK_RESULT_BEARER_NOT_READY, // The bearer connection could not be opened because the mobile is not yet completely attached to the network. A retry at a later time may be successful. + SOCK_RESULT_IN_PROGRESS, // The operation failed because a similar operation is already in progress. + SOCK_RESULT_BEARER_ACTIVE// The operation failed because a bearer connection is already open. +} T_SOCK_RESULT; + + +/* Type of the bearer_select parameter of sock_open_bearer(), used to select the + * type of the bearer connection to be opened by the Data Connection Manager + * (DCM), and of the bearer_type field of the T_SOCK_BEARER_INFO struct. + */ +typedef enum { + SOCK_BEARER_ANY = DCM_SOCK_BEARER_ANY, + SOCK_BEARER_GPRS = DCM_SOCK_BEARER_GPRS, + SOCK_BEARER_GSM = DCM_SOCK_BEARER_GSM, + SOCK_BEARER_USE_PROFILE = DCM_SOCK_BEARER_USE_PROFILE, + SOCK_BEARER_AS_SPECIFIED = DCM_SOCK_BEARER_AS_SPECIFIED +} T_SOCK_BEARER_TYPE; + +// FST: ????? +typedef enum { + SOCK_AUTH_PAP = DCM_SOCK_AUTH_PAP, + SOCK_AUTH_CHAP = DCM_SOCK_AUTH_CHAP, + SOCK_AUTH_NO= DCM_SOCK_AUTH_NO +} T_SOCK_AUTHTYPE; + +/* + * Type of the generic event data structure passed + * to the callback function on an event. + * The actual event structure may be bigger(depending on its type), + * but it will contain these fields at the beginning + */ +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ +} T_SOCK_EVENTSTRUCT; + +/* + * Pointer to the callback function specified by the application + */ +typedef void (*T_SOCK_CALLBACK)(T_SOCK_EVENTSTRUCT* event, void *context); + +/* System wide handle of a bearer connection. + * Variables of this type are used as handles to identify a bearer connection. + * !! NOT NEEDED FOR CURRENT IMPLEMENTATION ONLY MENTIONED FOR FUTURE SUPPOSE.!! + */ +typedef U16 T_SOCK_BEARER_HANDLE; + +typedef struct { + T_SOCK_BEARER_HANDLE bearer_handle; + T_HANDLE app_handle; + T_SOCK_BEARER_TYPE bearer_type; + BOOL apn_valid; + char apn[SOCK_MAX_APN_LEN+1]; + BOOL phone_nr_valid; + char phone_nr[SOCK_MAX_PHONENUM_LEN+1]; + BOOL user_id_valid; + char user_id[SOCK_MAX_USERID_LEN+1]; + BOOL password_valid; + char password[SOCK_MAX_PASSWORD_LEN+1]; + int cid; + T_SOCK_IPADDR ip_address; + T_SOCK_IPADDR dns1; + T_SOCK_IPADDR dns2; + T_SOCK_IPADDR gateway; + T_SOCK_AUTHTYPE authtype; + BOOL data_compr; + BOOL header_comp; + int precedence; + int delay; + int reliability; + int peak_throughput; + int mean_througput; + BOOL shareable; +} T_SOCK_BEARER_INFO; + +/* ========================================================================== */ +/* ============================== Result Events from TCPIP ================= */ + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ + T_SOCK_BEARER_HANDLE bearer_handle; +} T_SOCK_OPEN_BEARER_CNF; + +typedef T_SOCK_EVENTSTRUCT T_SOCK_CLOSE_BEARER_CNF; + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ + T_SOCK_BEARER_INFO bearer_params; +} T_SOCK_BEARER_INFO_CNF; + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ + U32 dcm_error; /* The parameter contains errors received from + * PS (ETSI Spec 07.07) */ +} T_SOCK_BAERER_CLOSED_IND; + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ +} T_SOCK_CREATE_CNF; + +typedef T_SOCK_EVENTSTRUCT T_SOCK_CLOSE_CNF; +typedef T_SOCK_EVENTSTRUCT T_SOCK_BIND_CNF; +typedef T_SOCK_EVENTSTRUCT T_SOCK_LISTEN_CNF; +typedef T_SOCK_EVENTSTRUCT T_SOCK_CONNECT_CNF; + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ + T_SOCK_IPADDR ipaddr; /* The local IP address of the socket */ + T_SOCK_PORT port; /* The local port number of the socket */ +} T_SOCK_SOCKNAME_CNF; + +typedef T_SOCK_SOCKNAME_CNF T_SOCK_PEERNAME_CNF; + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* unused */ + char hostname[SOCK_MAXHOSTNAMELEN+1]; /* The name of the host as + a zero-terminated string */ + T_SOCK_IPADDR ipaddr; /* The local IP address of the socket */ +} T_SOCK_HOSTINFO_CNF; + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ + U16 mtu_size; /* MTU size */ +} T_SOCK_MTU_SIZE_CNF; + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ + U32 data_length; /* Length of the data portion received. */ + char *data_buffer; /* Pointer to the data received. The application + shall free this data buffer after use. */ +} T_SOCK_RECV_IND; + + +typedef struct { + T_SOCK_EVENTTYPE event_type; /* Type of the event. */ + T_SOCK_RESULT result; /* Result code of the operation */ + T_SOCK_SOCKET socket; /* Socket for which the event occurred */ + T_SOCK_SOCKET new_socket; /* New socket allocated for the connection. */ + T_SOCK_IPADDR peer_ipaddr; /* IP address of the remote peer. */ + T_SOCK_PORT peer_port; /* Port number on the remote side. */ +} T_SOCK_CONNECT_IND; + +typedef T_SOCK_EVENTSTRUCT T_SOCK_CONN_CLOSED_IND; +typedef T_SOCK_EVENTSTRUCT T_SOCK_ERROR_IND; +typedef T_SOCK_EVENTSTRUCT T_SOCK_FLOW_READY_IND; + + + +/* ========================================================================== */ +/* ================== Prototypes of socket API ============================== */ + + +/* ******************* API administrative functions ************************* */ + +/*------------------------------------------------------------------------------ + Function : sock_api_initialize + Parameter : - T_SOCK_API_INSTANCE * : + 'The function returns an API instance value. The value is needed + for several API functions.' + - T_HANDLE : + 'Application task handle as passed to pei_init()' + - char* : + 'Name of the application entity as used with vsi_c_open().' + Return : The function returns TRUE if the initialization was successful. + Description : Initializes the socket interface API. +------------------------------------------------------------------------------*/ +BOOL sock_api_initialize(T_SOCK_API_INSTANCE *api_instance, + T_HANDLE app_handle, + char* app_name); + + +/*------------------------------------------------------------------------------ + Function : sock_api_deinitialize + Parameter : - T_SOCK_API_INSTANCE : + 'API instance value.' + Return : None + Description : Deinitializes the socket interface API. The function releases + all associated memory. +------------------------------------------------------------------------------*/ +void sock_api_deinitialize(T_SOCK_API_INSTANCE api_instance); + + +/*------------------------------------------------------------------------------ + Function : sock_api_handles_primitive + Parameter : - T_SOCK_API_INSTANCE: API instance value + - T_PRIM: Pointer to primitive received from + the primitive queue' + Return : The function returns TRUE if the primitive has been handled by + this function.In this case the application should not do + anything else with the primitive and should not call PFREE() + to free the memory block used for the primitive. + The function returns FALSE if the primitive has not been + handled by this function. In this case the application should + process the primitive as usual. + Description : Handles primitives for the socket API. + To free the application from the handling of the event + primitives sent by the TCP/IP entity, the Socket API provides + this function that checks if a primitive is to be handled by + the Socket API and if it is, handles it. The application is + supposed to call it immediately after receiving a primitive. + If the primitive is meant for the Socket API, it is handled by + this function. This will in most cases include calling the + callback function supplied by the application to deliver an + event. If the primitive is not meant for the Socket API, + no action is taken. + It is recommended to call this function early in the + application entity's pei_primitive() function. +------------------------------------------------------------------------------*/ +BOOL sock_api_handles_primitive(T_SOCK_API_INSTANCE api_instance, + T_PRIM *prim); + + +/* ******************* Bearer related functions ***************************** */ + +/*------------------------------------------------------------------------------ + Function : sock_open_bearer() + Parameter : - T_SOCK_API_INSTANCE: API instance value + - T_SOCK_BEARER_TYPE : CSD or GPRS + - int: Number of the selected profile with a bearer + selection of SOCK_BEARER_USE_PROFILE. + Unused in other cases. + - T_SOCK_BEARER_INFO: requested parameters of the bearer connection + - T_SOCK_CALLBACK: callback function to be called for return events. + - void*: An arbitrary pointer to be passed to the + callback function when it is called + Return : T_SOCK_RESULT indicates successor a problem that happend + Return Event : T_SOCK_OPEN_BEARER_CNF + Description : Opens a CSD or GPRS connection for use with TCP/IP. + This function a bearer connection for use with TCP/IP. It must be + called after sock_api_initialize() and before any other + TCP/IP-related functions. +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_open_bearer(T_SOCK_API_INSTANCE api_instance, + T_SOCK_BEARER_TYPE bearer_select, + int profile_number, + T_SOCK_BEARER_INFO *params, + T_SOCK_CALLBACK sock_cb, + void *context); + + +/*------------------------------------------------------------------------------ + Function : sock_close_bearer() + Parameter : - T_SOCK_API_INSTANCE : API instance value + - T_SOCK_BEARER_HANDLE: returned by SOCK_OPEN_BEARER_CNF + - T_SOCK_CALLBACK: Callback function to be called for return events. + - void*: An arbitrary pointer to be passed to the + callback function when it is called + Return : T_SOCK_RESULT indicates successor a problem that happend + Return Event : T_SOCK_CLOSE_BEARER_CNF + Description : Close a bearer connection that has been opened with sock_open_bearer(). +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_close_bearer(T_SOCK_API_INSTANCE api_instance, + T_SOCK_BEARER_HANDLE bearer_handle, + T_SOCK_CALLBACK sock_cb, + void *context); + + +/*------------------------------------------------------------------------------ + Function : sock_bearer_info() + Parameter : - T_SOCK_API_INSTANCE: API instance value + - T_SOCK_BEARER_HANDLE: returned by SOCK_OPEN_BEARER_CNF + - T_SOCK_CALLBACK: Callback function to be called for + return events. + - void*: An arbitrary pointer to be passed to the + callback function when it is called + Return : T_SOCK_RESULT + Return Event : T_SOCK_BEARER_INFO_CNF + Description : Get information about a bearer connection that has been opened + with sock_open_bearer(). +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_bearer_info(T_SOCK_API_INSTANCE api_instance, + T_SOCK_BEARER_HANDLE bearer_handle, + T_SOCK_CALLBACK sock_cb, + void *context); + + +/* ******************* Socket related functions ***************************** */ + +/*------------------------------------------------------------------------------ + Function : sock_create + Parameter : - T_SOCK_API_INSTANCE : + 'API instance value.' + - T_SOCK_IPPROTO : + 'The protocol (UDP or TCP) to be used with this socket' + - T_SOCK_CALLBACK : + 'The callback function to be called for events on this socket' + - void * : + 'An arbitrary pointer to be passed to + the callback function when it is called' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_CREATE_CNF' + - T_SOCK_RESULT : Result code + - T_SOCK_SOCKET : The socket descriptor returned by the TCP/IP entity + Description : - Create a new UDP or TCP socket + - This function creates a socket that can subsequently be used with + the other Socket API functions +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_create(T_SOCK_API_INSTANCE api_instance, + T_SOCK_IPPROTO ipproto, + T_SOCK_CALLBACK callback, + void *context); + + +/*------------------------------------------------------------------------------ + Function : sock_close + Parameter : - T_SOCK_SOCKET : + 'The socket descriptor to be closed' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_CLOSE_CNF' + - T_SOCK_RESULT : Result code + - T_SOCK_SOCKET : The socket descriptor to be closed + Description : - Close socket, shutdown connection if present + - This function closes a socket that has previously + been created with sock_create(). + If a connection is open for this socket, it will be closed. + If this socket has listened for connections, + no further connections will be accepted + History : 0001 03.08.11 shkim Created +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_close(T_SOCK_SOCKET socket); + + +/*------------------------------------------------------------------------------ + Function : sock_bind + Parameter : - T_SOCK_SOCKET : + 'The socket descriptor to be closed' + - T_SOCK_PORT : + 'The port number to bind the socket to' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_BIND_CNF' + - T_SOCK_RESULT : Result code + - T_SOCK_SOCKET : The socket descriptor to be bound + Description : - Bind socket to a specific local port number + - This function binds a socket to the specified local port + History : 0001 03.08.11 shkim Created +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_bind(T_SOCK_SOCKET socket, + T_SOCK_PORT port); + + +/*------------------------------------------------------------------------------ + Function : sock_listen + Parameter : - T_SOCK_SOCKET : + 'The socket descriptor to listen on' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_LISTEN_CNF' + - T_SOCK_RESULT : Result code + - T_SOCK_SOCKET : The socket descriptor to listen on + Description : - Accept TCP connections on this socket + - This function makes TCP/IP listen for + TCP connections on this socket. + The socket should have been bound to a specific port + using sock_bind() before. + History : 0001 03.08.11 shkim Created +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_listen(T_SOCK_SOCKET socket); + + +/*------------------------------------------------------------------------------ + Function : sock_connect + Parameter : - T_SOCK_SOCKET : + 'The socket descriptor to connect' + - T_SOCK_IPADDR : + 'The IP address to connect to' + - T_SOCK_PORT : + 'The port number to connect to' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_CONNECT_CNF' + - T_SOCK_RESULT : Result code + - T_SOCK_SOCKET : The socket descriptor to connect + Description : - Connect the socket to a remote endpoint + - With TCP sockets, a TCP connection is established to + the specified IP address and the specified port. + The connection can then be used to send data using sock_send(); + received data is indicated by a SOCK_RECV_IND event. + With UDP sockets, the specified IP address and port number + are stored with the socket; + subsequent UDP messages can be sent to this address + using sock_send(); + only messages from this address will be received. + History : 0001 03.08.11 shkim Created +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_connect(T_SOCK_SOCKET socket, + T_SOCK_IPADDR ipaddr, + T_SOCK_PORT port); + + +/*------------------------------------------------------------------------------ + Function : sock_getsockname + Parameter : - T_SOCK_SOCKET : + 'The socket descriptor to retrieve information about' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_SOCKNAME_CNF' + - T_SOCK_RESULT : Result code + - T_SOCK_SOCKET : The socket descriptor to connect + - T_SOCK_IPADDR : The local IP address of the socket + - T_SOCK_PORT : The local port number of the socket + Description : - Retrieve local address information + - The function retrieves local address information of the socket. + If the socket has not yet been bound to an address using sock_bind(), + the port number is unspecified (SOCK_PORT_ANY) + History : 0001 03.08.11 shkim Created +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_getsockname(T_SOCK_SOCKET socket); + + +/*------------------------------------------------------------------------------ + Function : sock_getpeername + Parameter : - T_SOCK_SOCKET : + 'The socket descriptor to retrieve information about' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_PEERNAME_CNF' + - T_SOCK_RESULT : Result code + - T_SOCK_SOCKET : The socket descriptor to connect + - T_SOCK_IPADDR : The IP address of the remote peer + - T_SOCK_PORT : The port number at the remote peer + Description : - Retrieve remote address information + - The function retrieves address information of + the connection at the remote peer. + If the socket is not connected, + the IP address and port number are unspecified +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_getpeername(T_SOCK_SOCKET socket); + + +/*------------------------------------------------------------------------------ + Function : sock_gethostbyname + Parameter : - T_SOCK_API_INSTANCE : + 'API instance value.' + - char * : + 'The name of the referenced host' + - T_SOCK_CALLBACK : + 'The callback function to be called for the result event' + - void * : + 'An arbitrary pointer to be passed to the callback + function when it is called' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_HOSTINFO_CNF' + - T_SOCK_RESULT : Result code + - char hostname[SOCK_MAXHOSTNAMELEN+1] : The name of the + host as a zero-terminated string + - T_SOCK_IPADDR : The IP address of the host + Description : - Get the IP address of a host + - The function queries the IP address information of + the specified host from the DNS. + Because the function is not associated to any socket, + a callback function and a context + pointer must be specified separately +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_gethostbyname(T_SOCK_API_INSTANCE api_instance, + char *hostname, + T_SOCK_CALLBACK callback, + void *context); + + +/*------------------------------------------------------------------------------ + Function : sock_gethostbyaddr + Parameter : - T_SOCK_API_INSTANCE : + 'API instance value.' + - T_SOCK_IPADDR : + 'The IP address of the referenced host' + - T_SOCK_CALLBACK : + 'The callback function to be called for the result event' + - void * : + 'An arbitrary pointer to be passed to the callback function + when it is called' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_HOSTINFO_CNF' + - T_SOCK_RESULT : Result code + - char hostname[SOCK_MAXHOSTNAMELEN+1] : The name of the + host as a zero-terminated string + - T_SOCK_IPADDR : The IP address of the host + Description : - Get the name of a host + - The function queries the hostname for the specified + IP address from the DNS. + Because the function is not associated to any socket, + a callback function and a context pointer must be specified separately +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_gethostbyaddr(T_SOCK_API_INSTANCE api_instance, + T_SOCK_IPADDR ipaddr, + T_SOCK_CALLBACK callback, + void *context); + + +/*------------------------------------------------------------------------------ + Function : sock_send + Parameter : - T_SOCK_SOCKET : + 'The socket to send the data on' + - char * : + 'The data buffer to be sent' + - U16 : + 'The length of the data buffer in bytes' + Return : (T_SOCK_RESULT) + Return Event : None + Description : - Send data on a socket ( TCP only ) + - The function sends the specified data buffer over the socket. + The socket must be connected, + i. e. it must have been connected to a remote peer + using sock_connect() or been created when accepting + a connection as indicated by SOCK_SONNECT_IND. + Implementation note: In order to send the payload data via DTI, + the data must be copied into a DTI descriptor by the Socket API; + there is no way to avoid the copy operation without + putting the burden of knowing DTI-internal data + structures on the application. + It has been decided to pay the cost of the copy operation + in order to free the application from this responsibility +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_send(T_SOCK_SOCKET socket, + char *buffer, + U16 buffer_length); + + +/*------------------------------------------------------------------------------ + Function : sock_sendto + Parameter : - T_SOCK_SOCKET : + 'The socket to send the data on' + - char * : + 'The data buffer to be sent' + - U16 : + 'The length of the data buffer' + - T_SOCK_IPADDR : + 'IP address of the host to send data to' + - T_SOCK_PORT : + 'Remote port to send data to' + Return : (T_SOCK_RESULT) + Return Event : None + Description : - Send data on a socket( UDP only ) + - The function sends the specified data buffer + over the socket to the specified address. The socket must be + a UDP socket. + Implementation note: In order to send the payload data via DTI, + the data must be copied into a DTI descriptor by the Socket API; + there is no way to avoid the copy operation without putting + the burden of knowing DTI-internal data structures on + the application. It has been decided to pay the cost of + the copy operation in order to free the application from + this responsibility +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_sendto(T_SOCK_SOCKET socket, + char *buffer, + U16 buffer_length, + T_SOCK_IPADDR ipaddr, + T_SOCK_PORT port); + + +/*------------------------------------------------------------------------------------ + Function : sock_set_callback + Parameter : - T_SOCK_SOCKET : + 'Socket to set callback and context for' + - T_SOCK_CALLBACK : + 'New callback function for the socket' + - void * : + 'New context pointer for the socket' + Return : (T_SOCK_RESULT) + Return Event : None + Description : - Set a new callback function and context pointer for the socket + - The function defines a new callback function and a new context + pointer for the socket. All socket events after this call will be + delivered using the new callback function and the new context + pointer +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_set_callback(T_SOCK_SOCKET socket, + T_SOCK_CALLBACK callback, + void *context); + + +/*------------------------------------------------------------------------------ + Function : sock_get_callback + Parameter : - T_SOCK_SOCKET : + 'Socket to get callback and context from' + - T_SOCK_CALLBACK * : + 'Return callback function pointer for the socket' + - void ** : + 'Return context pointer for the socket' + Return : (T_SOCK_RESULT) + Return Event : None + Description : - Get callback function pointer and context pointer for the socket + - The function returns callback function pointer and context pointer + for the socket. + pointer +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_get_callback(T_SOCK_SOCKET socket, + T_SOCK_CALLBACK *callback_p, + void **context_p); + + +/*------------------------------------------------------------------------------ + Function : sock_flow_xoff + Parameter : - T_SOCK_SOCKET : + 'Socket to switch to "xoff" status' + Return : (T_SOCK_RESULT) + Return Event : None + Description : - Flow control: make TCP/IP stop sending data + - This function makes the Socket API stop TCP/IP sending data. + If TCP/IP has already been stopped, the function has no effect. + History : 0001 03.08.11 shkim Created + 0002 03.09.12 STW T_SOCK_RESULT added +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_flow_xoff(T_SOCK_SOCKET socket); + + +/*------------------------------------------------------------------------------ + Function : sock_flow_xon + Parameter : - T_SOCK_SOCKET : + 'Socket to switch to "xon" status' + Return : (T_SOCK_RESULT) + Return Event : None + Description : - Flow control: make TCP/IP resume sending data + - This function makes TCP/IP resume sending data. + If TCP/IP has not been stopped, the function has no effect + History : 0001 03.08.11 shkim Created + 0002 03.09.12 STW T_SOCK_RESULT added +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_flow_xon(T_SOCK_SOCKET socket); + + +/*------------------------------------------------------------------------------ + Function : sock_get_mtu_size + Parameter : - T_SOCK_SOCKET : + 'Socket to get MTU size from' + Return : (T_SOCK_RESULT) + Return Event : 'SOCK_MTU_SIZE_CNF' + - T_SOCK_RESULT : Result code + - T_SOCK_SOCKET : The socket descriptor (unused). + - U16 : MTU size + Description : - Get MTU size of network connection + - The function retrieves the size of + the Maximum Transfer Unit(MTU) of the network connection. + History : 0001 03.08.11 shkim Created + 0002 03.09.12 STW T_SOCK_SOCKET added +------------------------------------------------------------------------------*/ +T_SOCK_RESULT sock_get_mtu_size(T_SOCK_SOCKET socket); + + +#endif /* __SOCKET_H__ */