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Diffstat (limited to 'src/common/netbuffer.c')
| -rw-r--r-- | src/common/netbuffer.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/src/common/netbuffer.c b/src/common/netbuffer.c deleted file mode 100644 index 60a299aa9..000000000 --- a/src/common/netbuffer.c +++ /dev/null @@ -1,221 +0,0 @@ - -// -// Network Buffer Subsystem (iobuffer) -// -// -// Author: Florian Wilkemeyer <fw@f-ws.de> -// -// Copyright (c) rAthena Project (www.rathena.org) - Licensed under GNU GPL -// For more information, see LICENCE in the main folder -// -// - -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -#include "../common/cbasetypes.h" -#include "../common/atomic.h" -#include "../common/mempool.h" -#include "../common/showmsg.h" -#include "../common/raconf.h" -#include "../common/thread.h" -#include "../common/malloc.h" -#include "../common/core.h" - -#include "../common/netbuffer.h" - - -// -// Buffers are available in the following sizes: -// 48, 192, 2048, 8192 -// 65536 (inter server connects may use it for charstatus struct..) -// - - -/// -// Implementation: -// -static volatile int32 l_nEmergencyAllocations = 0; // stats. -static sysint l_nPools = 0; -static sysint *l_poolElemSize = NULL; -static mempool *l_pool = NULL; - - -void netbuffer_init(){ - char localsection[32]; - raconf conf; - sysint i; - - // Initialize Statistic counters: - l_nEmergencyAllocations = 0; - - // Set localsection name according to running serverype. - switch(SERVER_TYPE){ - case SERVER_TYPE_LOGIN: strcpy(localsection, "login-netbuffer"); break; - case SERVER_TYPE_CHAR: strcpy(localsection, "char-netbuffer"); break; - //case ATHENA_SERVER_INTER: strcpy(localsection, "inter-netbuffer"); break; - case SERVER_TYPE_MAP: strcpy(localsection, "map-netbuffer"); break; - default: strcpy(localsection, "unsupported_type"); break; - } - - - conf = raconf_parse("conf/network.conf"); - if(conf == NULL){ - ShowFatalError("Failed to Parse required Configuration (conf/network.conf)"); - exit(EXIT_FAILURE); - } - - // Get Values from config file - l_nPools = (sysint)raconf_getintEx(conf, localsection, "netbuffer", "num", 0); - if(l_nPools == 0){ - ShowFatalError("Netbuffer (network.conf) failure - requires at least 1 Pool.\n"); - exit(EXIT_FAILURE); - } - - // Allocate arrays. - l_poolElemSize = (sysint*)aCalloc( l_nPools, sizeof(sysint) ); - l_pool = (mempool*)aCalloc( l_nPools, sizeof(mempool) ); - - - for(i = 0; i < l_nPools; i++){ - int64 num_prealloc, num_realloc; - char key[32]; - - sprintf(key, "pool_%u_size", (uint32)i+1); - l_poolElemSize[i] = (sysint)raconf_getintEx(conf, localsection, "netbuffer", key, 4096); - if(l_poolElemSize[i] < 32){ - ShowWarning("Netbuffer (network.conf) failure - minimum allowed buffer size is 32 byte) - fixed.\n"); - l_poolElemSize[i] = 32; - } - - sprintf(key, "pool_%u_prealloc", (uint32)i+1); - num_prealloc = raconf_getintEx(conf, localsection, "netbuffer", key, 150); - - sprintf(key, "pool_%u_realloc_step", (uint32)i+1); - num_realloc = raconf_getintEx(conf, localsection, "netbuffer", key, 100); - - // Create Pool! - sprintf(key, "Netbuffer %u", (uint32)l_poolElemSize[i]); // name. - - // Info - ShowInfo("NetBuffer: Creating Pool %u (Prealloc: %u, Realloc Step: %u) - %0.2f MiB\n", l_poolElemSize[i], num_prealloc, num_realloc, (float)((sizeof(struct netbuf) + l_poolElemSize[i] - 32)* num_prealloc)/1024.0f/1024.0f); - - // - // Size Calculation: - // struct netbuf + requested buffer size - 32 (because the struct already contains 32 byte buffer space at the end of struct) - l_pool[i] = mempool_create(key, (sizeof(struct netbuf) + l_poolElemSize[i] - 32), num_prealloc, num_realloc, NULL, NULL); - if(l_pool[i] == NULL){ - ShowFatalError("Netbuffer: cannot create Pool for %u byte buffers.\n", l_poolElemSize[i]); - // @leak: clean everything :D - exit(EXIT_FAILURE); - } - - }// - - - raconf_destroy(conf); - -}//end: netbuffer_init() - - -void netbuffer_final(){ - sysint i; - - if(l_nPools > 0){ - /// .. finalize mempools - for(i = 0; i < l_nPools; i++){ - mempool_stats stats = mempool_get_stats(l_pool[i]); - - ShowInfo("Netbuffer: Freeing Pool %u (Peak Usage: %u, Realloc Events: %u)\n", l_poolElemSize[i], stats.peak_nodes_used, stats.num_realloc_events); - - mempool_destroy(l_pool[i]); - } - - if(l_nEmergencyAllocations > 0){ - ShowWarning("Netbuffer: did %u Emergency Allocations, please tune your network.conf!\n", l_nEmergencyAllocations); - l_nEmergencyAllocations = 0; - } - - aFree(l_poolElemSize); l_poolElemSize = NULL; - aFree(l_pool); l_pool = NULL; - l_nPools = 0; - } - - -}//end: netbuffer_final() - - -netbuf netbuffer_get( sysint sz ){ - sysint i; - netbuf nb = NULL; - - // Search an appropriate pool - for(i = 0; i < l_nPools; i++){ - if(sz <= l_poolElemSize[i]){ - // match - - nb = (netbuf)mempool_node_get(l_pool[i]); - nb->pool = i; - - break; - } - } - - // No Bufferpool found that mets there quirements?.. (thats bad..) - if(nb == NULL){ - ShowWarning("Netbuffer: get(%u): => no appropriate pool found - emergency allocation required.\n", sz); - ShowWarning("Please reconfigure your network.conf!"); - - InterlockedIncrement(&l_nEmergencyAllocations); - - // .. better to check (netbuf struct provides 32 byte bufferspace itself. - if(sz < 32) sz = 32; - - // allocate memory using malloc .. - while(1){ - nb = (netbuf) aMalloc( (sizeof(struct netbuf) + sz - 32) ); - if(nb != NULL){ - memset(nb, 0x00, (sizeof(struct netbuf) + sz - 32) ); // zero memory! (to enforce commit @ os.) - nb->pool = -1; // emergency alloc. - break; - } - - rathread_yield(); - }// spin allocation. - - } - - - nb->refcnt = 1; // Initial refcount is 1 - - return nb; -}//end: netbuffer_get() - - -void netbuffer_put( netbuf nb ){ - - // Decrement reference counter, if > 0 do nothing :) - if( InterlockedDecrement(&nb->refcnt) > 0 ) - return; - - // Is this buffer an emergency allocated buffer? - if(nb->pool == -1){ - aFree(nb); - return; - } - - - // Otherwise its a normal mempool based buffer - // return it to the according mempool: - mempool_node_put( l_pool[nb->pool], nb); - - -}//end: netbuffer_put() - - -void netbuffer_incref( netbuf nb ){ - - InterlockedIncrement(&nb->refcnt); - -}//end: netbuf_incref() |