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solarium.vlad/OS/uc/tcpip/Source/net_stat.c

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/*
*********************************************************************************************************
* uC/TCP-IP
* The Embedded TCP/IP Suite
*
* (c) Copyright 2003-2007; Micrium, Inc.; Weston, FL
*
* All rights reserved. Protected by international copyright laws.
*
* uC/TCP-IP is provided in source form for FREE evaluation, for educational
* use or peaceful research. If you plan on using uC/TCP-IP in a commercial
* product you need to contact Micrium to properly license its use in your
* product. We provide ALL the source code for your convenience and to help
* you experience uC/TCP-IP. The fact that the source code is provided does
* NOT mean that you can use it without paying a licensing fee.
*
* Knowledge of the source code may NOT be used to develop a similar product.
*
* Please help us continue to provide the Embedded community with the finest
* software available. Your honesty is greatly appreciated.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*
* NETWORK STATISTICS MANAGEMENT
*
* Filename : net_stat.c
* Version : V1.89
* Programmer(s) : ITJ
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* INCLUDE FILES
*********************************************************************************************************
*/
#define NET_STAT_MODULE
#include <net.h>
/*$PAGE*/
/*
*********************************************************************************************************
* LOCAL DEFINES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL CONSTANTS
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL DATA TYPES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL TABLES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL GLOBAL VARIABLES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL FUNCTION PROTOTYPES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL CONFIGURATION ERRORS
*********************************************************************************************************
*/
/*$PAGE*/
/*
*********************************************************************************************************
* NetStat_Init()
*
* Description : (1) Initialize Network Statistic Management Module :
*
* (a) Initialize statistics error counters
*
*
* Argument(s) : none.
*
* Return(s) : none.
*
* Caller(s) : Net_Init().
*
* This function is an INTERNAL network protocol suite function & MUST NOT be called by
* application function(s).
*
* Note(s) : none.
*********************************************************************************************************
*/
void NetStat_Init (void)
{
/* ---------------- INIT STAT ERR CTRS ---------------- */
#if (NET_CTR_CFG_ERR_EN == DEF_ENABLED)
#if (NET_ERR_CFG_ARG_CHK_DBG_EN == DEF_ENABLED)
NetStat_ErrNullPtrCtr = 0;
NetStat_ErrInvalidTypeCtr = 0;
#endif
#endif
}
/*$PAGE*/
/*
*********************************************************************************************************
* NetStat_PoolInit()
*
* Description : Initialize a statistics pool.
*
* Argument(s) : pstat_pool Pointer to a statistics pool.
*
* nbr_avail Total number of available statistics pool entries.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* NET_STAT_ERR_NONE Statistics pool successfully initialized.
* NET_STAT_ERR_NULL_PTR Argument 'pstat_pool' passed a NULL pointer.
*
* Return(s) : none.
*
* Caller(s) : various.
*
* This function is an INTERNAL network protocol suite function & SHOULD NOT be called by
* application function(s).
*
* Note(s) : (1) Assumes pointer to statistics pool is valid (if non-NULL).
*********************************************************************************************************
*/
void NetStat_PoolInit (NET_STAT_POOL *pstat_pool,
NET_STAT_POOL_QTY nbr_avail,
NET_ERR *perr)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
#if (NET_ERR_CFG_ARG_CHK_DBG_EN == DEF_ENABLED) /* ------------------- VALIDATE PTR ------------------- */
if (pstat_pool == (NET_STAT_POOL *)0) {
NET_CTR_ERR_INC(NetStat_ErrNullPtrCtr);
*perr = NET_STAT_ERR_NULL_PTR;
return;
}
#endif
CPU_CRITICAL_ENTER();
pstat_pool->Type = NET_STAT_TYPE_POOL; /* Init stat pool type--NEVER modify. */
pstat_pool->EntriesInit = nbr_avail; /* Init nbr of pool entries is also ... */
pstat_pool->EntriesTot = nbr_avail; /* Tot nbr of pool entries is also ... */
pstat_pool->EntriesAvail = nbr_avail; /* Init nbr of avail entries. */
pstat_pool->EntriesUsed = 0;
pstat_pool->EntriesUsedMax = 0;
pstat_pool->EntriesLostCur = 0;
pstat_pool->EntriesLostTot = 0;
pstat_pool->EntriesAllocatedCtr = 0;
pstat_pool->EntriesDeallocatedCtr = 0;
CPU_CRITICAL_EXIT();
*perr = NET_STAT_ERR_NONE;
}
/*$PAGE*/
/*
*********************************************************************************************************
* NetStat_PoolClr()
*
* Description : Clear a statistics pool.
*
* Argument(s) : pstat_pool Pointer to a statistics pool.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* NET_STAT_ERR_NONE Statistics pool successfully cleared.
* NET_STAT_ERR_NULL_PTR Argument 'pstat_pool' passed a NULL pointer.
*
* Return(s) : none.
*
* Caller(s) : various.
*
* This function is an INTERNAL network protocol suite function & SHOULD NOT be called by
* application function(s).
*
* Note(s) : (1) Assumes pointer to statistics pool is valid (if non-NULL).
*********************************************************************************************************
*/
void NetStat_PoolClr (NET_STAT_POOL *pstat_pool,
NET_ERR *perr)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
#if (NET_ERR_CFG_ARG_CHK_DBG_EN == DEF_ENABLED) /* ------------------- VALIDATE PTR ------------------- */
if (pstat_pool == (NET_STAT_POOL *)0) {
NET_CTR_ERR_INC(NetStat_ErrNullPtrCtr);
*perr = NET_STAT_ERR_NULL_PTR;
return;
}
#endif
CPU_CRITICAL_ENTER();
pstat_pool->Type = NET_STAT_TYPE_NONE;
pstat_pool->EntriesInit = 0;
pstat_pool->EntriesTot = 0;
pstat_pool->EntriesAvail = 0;
pstat_pool->EntriesUsed = 0;
pstat_pool->EntriesUsedMax = 0;
pstat_pool->EntriesLostCur = 0;
pstat_pool->EntriesLostTot = 0;
pstat_pool->EntriesAllocatedCtr = 0;
pstat_pool->EntriesDeallocatedCtr = 0;
CPU_CRITICAL_EXIT();
*perr = NET_STAT_ERR_NONE;
}
/*$PAGE*/
/*
*********************************************************************************************************
* NetStat_PoolReset()
*
* Description : Reset a statistics pool.
*
* (1) Assumes object pool is also reset; otherwise, statistics pool will NOT accurately
* reflect the state of the object pool.
*
*
* Argument(s) : pstat_pool Pointer to a statistics pool.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* NET_STAT_ERR_NONE Statistics pool successfully reset.
* NET_STAT_ERR_NULL_PTR Argument 'pstat_pool' passed a NULL pointer.
* NET_STAT_ERR_POOL_INVALID_TYPE Invalid statistics pool type.
*
* Return(s) : none.
*
* Caller(s) : various.
*
* This function is an INTERNAL network protocol suite function & SHOULD NOT be called by
* application function(s).
*
* Note(s) : none.
*********************************************************************************************************
*/
void NetStat_PoolReset (NET_STAT_POOL *pstat_pool,
NET_ERR *perr)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
#if (NET_ERR_CFG_ARG_CHK_DBG_EN == DEF_ENABLED)
/* ------------------ VALIDATE PTR -------------------- */
if (pstat_pool == (NET_STAT_POOL *)0) {
NET_CTR_ERR_INC(NetStat_ErrNullPtrCtr);
*perr = NET_STAT_ERR_NULL_PTR;
return;
}
/* ------------------ VALIDATE TYPE ------------------- */
if (pstat_pool->Type != NET_STAT_TYPE_POOL) {
NET_CTR_ERR_INC(NetStat_ErrInvalidTypeCtr);
*perr = NET_STAT_ERR_POOL_INVALID_TYPE;
return;
}
#endif
CPU_CRITICAL_ENTER();
pstat_pool->EntriesAvail = pstat_pool->EntriesTot;
pstat_pool->EntriesUsed = 0;
pstat_pool->EntriesUsedMax = 0;
pstat_pool->EntriesLostCur = 0;
pstat_pool->EntriesAllocatedCtr = 0;
pstat_pool->EntriesDeallocatedCtr = 0;
CPU_CRITICAL_EXIT();
*perr = NET_STAT_ERR_NONE;
}
/*$PAGE*/
/*
*********************************************************************************************************
* NetStat_PoolResetUsedMax()
*
* Description : Reset a statistics pool's maximum number of entries used.
*
* (1) Resets maximum number of entries used to the current number of entries used.
*
*
* Argument(s) : pstat_pool Pointer to a statistics pool.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* NET_STAT_ERR_NONE Statistics pool's maximum number of entries
* used successfully reset.
* NET_STAT_ERR_NULL_PTR Argument 'pstat_pool' passed a NULL pointer.
* NET_STAT_ERR_POOL_INVALID_TYPE Invalid statistics pool type.
*
* Return(s) : none.
*
* Caller(s) : various.
*
* This function is an INTERNAL network protocol suite function & SHOULD NOT be called by
* application function(s).
*
* Note(s) : none.
*********************************************************************************************************
*/
void NetStat_PoolResetUsedMax (NET_STAT_POOL *pstat_pool,
NET_ERR *perr)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
#if (NET_ERR_CFG_ARG_CHK_DBG_EN == DEF_ENABLED)
/* ------------------ VALIDATE PTR -------------------- */
if (pstat_pool == (NET_STAT_POOL *)0) {
NET_CTR_ERR_INC(NetStat_ErrNullPtrCtr);
*perr = NET_STAT_ERR_NULL_PTR;
return;
}
/* ------------------ VALIDATE TYPE ------------------- */
if (pstat_pool->Type != NET_STAT_TYPE_POOL) {
NET_CTR_ERR_INC(NetStat_ErrInvalidTypeCtr);
*perr = NET_STAT_ERR_POOL_INVALID_TYPE;
return;
}
#endif
CPU_CRITICAL_ENTER();
pstat_pool->EntriesUsedMax = pstat_pool->EntriesUsed; /* Reset nbr max used (see Note #1). */
CPU_CRITICAL_EXIT();
*perr = NET_STAT_ERR_NONE;
}
/*$PAGE*/
/*
*********************************************************************************************************
* NetStat_PoolEntryUsedInc()
*
* Description : Increment a statistics pool's number of 'Used' entries.
*
* Argument(s) : pstat_pool Pointer to a statistics pool.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* NET_STAT_ERR_NONE Statistics pool's number used
* successfully incremented.
* NET_STAT_ERR_NULL_PTR Argument 'pstat_pool' passed a NULL pointer.
* NET_STAT_ERR_POOL_INVALID_TYPE Invalid statistics pool type.
* NET_STAT_ERR_POOL_NONE_AVAIL NO available statistics pool entries; i.e.
* number of available entries already zero.
*
* Return(s) : none.
*
* Caller(s) : various.
*
* This function is an INTERNAL network protocol suite function & SHOULD NOT be called by
* application function(s).
*
* Note(s) : none.
*********************************************************************************************************
*/
void NetStat_PoolEntryUsedInc (NET_STAT_POOL *pstat_pool,
NET_ERR *perr)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
#if (NET_ERR_CFG_ARG_CHK_DBG_EN == DEF_ENABLED)
/* ------------------ VALIDATE PTR -------------------- */
if (pstat_pool == (NET_STAT_POOL *)0) {
NET_CTR_ERR_INC(NetStat_ErrNullPtrCtr);
*perr = NET_STAT_ERR_NULL_PTR;
return;
}
/* ------------------ VALIDATE TYPE ------------------- */
if (pstat_pool->Type != NET_STAT_TYPE_POOL) {
NET_CTR_ERR_INC(NetStat_ErrInvalidTypeCtr);
*perr = NET_STAT_ERR_POOL_INVALID_TYPE;
return;
}
#endif
CPU_CRITICAL_ENTER();
if (pstat_pool->EntriesAvail > 0) { /* If any stat pool entry avail, .. */
pstat_pool->EntriesAvail--; /* .. adj nbr of avail/used entries in pool .. */
pstat_pool->EntriesUsed++;
pstat_pool->EntriesAllocatedCtr++; /* .. & inc total nbr of allocated entries. */
if (pstat_pool->EntriesUsed > pstat_pool->EntriesUsedMax) { /* If nbr used > max used, set new max used. */
pstat_pool->EntriesUsedMax = pstat_pool->EntriesUsed;
}
*perr = NET_STAT_ERR_NONE;
} else {
*perr = NET_STAT_ERR_POOL_NONE_AVAIL;
}
CPU_CRITICAL_EXIT();
}
/*$PAGE*/
/*
*********************************************************************************************************
* NetStat_PoolEntryUsedDec()
*
* Description : Decrement a statistics pool's number of 'Used' entries.
*
* Argument(s) : pstat_pool Pointer to a statistics pool.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* NET_STAT_ERR_NONE Statistics pool's number used
* successfully decremented.
* NET_STAT_ERR_NULL_PTR Argument 'pstat_pool' passed a NULL pointer.
* NET_STAT_ERR_POOL_INVALID_TYPE Invalid statistics pool type.
* NET_STAT_ERR_POOL_NONE_USED NO used statistics pool entries; i.e.
* number of used entries already zero.
*
* Return(s) : none.
*
* Caller(s) : various.
*
* This function is an INTERNAL network protocol suite function & SHOULD NOT be called by
* application function(s).
*
* Note(s) : none.
*********************************************************************************************************
*/
void NetStat_PoolEntryUsedDec (NET_STAT_POOL *pstat_pool,
NET_ERR *perr)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
#if (NET_ERR_CFG_ARG_CHK_DBG_EN == DEF_ENABLED)
/* ------------------ VALIDATE PTR -------------------- */
if (pstat_pool == (NET_STAT_POOL *)0) {
NET_CTR_ERR_INC(NetStat_ErrNullPtrCtr);
*perr = NET_STAT_ERR_NULL_PTR;
return;
}
/* ------------------ VALIDATE TYPE ------------------- */
if (pstat_pool->Type != NET_STAT_TYPE_POOL) {
NET_CTR_ERR_INC(NetStat_ErrInvalidTypeCtr);
*perr = NET_STAT_ERR_POOL_INVALID_TYPE;
return;
}
#endif
CPU_CRITICAL_ENTER();
if (pstat_pool->EntriesUsed > 0) { /* If any stat pool entry used, ... */
pstat_pool->EntriesAvail++; /* ... adj nbr of avail/used entries in pool ... */
pstat_pool->EntriesUsed--;
pstat_pool->EntriesDeallocatedCtr++; /* ... & inc total nbr of deallocated entries. */
*perr = NET_STAT_ERR_NONE;
} else {
*perr = NET_STAT_ERR_POOL_NONE_USED;
}
CPU_CRITICAL_EXIT();
}
/*$PAGE*/
/*
*********************************************************************************************************
* NetStat_PoolEntryLostInc()
*
* Description : Increment a statistics pool's number of 'Lost' entries.
*
* Argument(s) : pstat_pool Pointer to a statistics pool.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* NET_STAT_ERR_NONE Statistics pool's number lost
* successfully incremented.
* NET_STAT_ERR_NULL_PTR Argument 'pstat_pool' passed a NULL pointer.
* NET_STAT_ERR_POOL_INVALID_TYPE Invalid statistics pool type.
* NET_STAT_ERR_POOL_NONE_REM NO statistics pool entries remain; i.e.
* total number of entries already zero.
* NET_STAT_ERR_POOL_NONE_USED NO used statistics pool entries; i.e.
* number of used entries is zero.
*
* Return(s) : none.
*
* Caller(s) : various.
*
* This function is an INTERNAL network protocol suite function & SHOULD NOT be called by
* application function(s).
*
* Note(s) : none.
*********************************************************************************************************
*/
void NetStat_PoolEntryLostInc (NET_STAT_POOL *pstat_pool,
NET_ERR *perr)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
#if (NET_ERR_CFG_ARG_CHK_DBG_EN == DEF_ENABLED)
/* ------------------ VALIDATE PTR -------------------- */
if (pstat_pool == (NET_STAT_POOL *)0) {
NET_CTR_ERR_INC(NetStat_ErrNullPtrCtr);
*perr = NET_STAT_ERR_NULL_PTR;
return;
}
/* ------------------ VALIDATE TYPE ------------------- */
if (pstat_pool->Type != NET_STAT_TYPE_POOL) {
NET_CTR_ERR_INC(NetStat_ErrInvalidTypeCtr);
*perr = NET_STAT_ERR_POOL_INVALID_TYPE;
return;
}
#endif
CPU_CRITICAL_ENTER();
if (pstat_pool->EntriesTot > 0) { /* If tot stat pool entries > 0 ... */
if (pstat_pool->EntriesUsed > 0) { /* ... & any stat pool entry used, ... */
pstat_pool->EntriesUsed--; /* ... adj nbr used/total/lost entries in pool. */
pstat_pool->EntriesTot--;
pstat_pool->EntriesLostCur++;
pstat_pool->EntriesLostTot++;
*perr = NET_STAT_ERR_NONE;
} else {
*perr = NET_STAT_ERR_POOL_NONE_USED;
}
} else {
*perr = NET_STAT_ERR_POOL_NONE_REM;
}
CPU_CRITICAL_EXIT();
}
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