diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/CMakeLists.txt | 4 | ||||
| -rw-r--r-- | src/common/evdp.h | 168 | ||||
| -rw-r--r-- | src/common/evdp_epoll.c | 232 | ||||
| -rw-r--r-- | src/common/mempool.c | 568 | ||||
| -rw-r--r-- | src/common/mempool.h | 100 | ||||
| -rw-r--r-- | src/common/netbuffer.c | 221 | ||||
| -rw-r--r-- | src/common/netbuffer.h | 81 | ||||
| -rw-r--r-- | src/common/network.c | 1061 | ||||
| -rw-r--r-- | src/common/network.h | 189 | ||||
| -rw-r--r-- | src/common/raconf.c | 583 | ||||
| -rw-r--r-- | src/common/raconf.h | 59 |
11 files changed, 0 insertions, 3266 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index dbc30734c..5653663df 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -84,8 +84,6 @@ set( COMMON_BASE_HEADERS "${COMMON_SOURCE_DIR}/spinlock.h" "${COMMON_SOURCE_DIR}/thread.h" "${COMMON_SOURCE_DIR}/mutex.h" - "${COMMON_SOURCE_DIR}/raconf.h" - "${COMMON_SOURCE_DIR}/mempool.h" ${LIBCONFIG_HEADERS} # needed by conf.h/showmsg.h CACHE INTERNAL "common_base headers" ) set( COMMON_BASE_SOURCES @@ -109,8 +107,6 @@ set( COMMON_BASE_SOURCES "${COMMON_SOURCE_DIR}/utils.c" "${COMMON_SOURCE_DIR}/thread.c" "${COMMON_SOURCE_DIR}/mutex.c" - "${COMMON_SOURCE_DIR}/mempool.c" - "${COMMON_SOURCE_DIR}/raconf.c" ${LIBCONFIG_SOURCES} # needed by conf.c/showmsg.c CACHE INTERNAL "common_base sources" ) set( COMMON_BASE_INCLUDE_DIRS diff --git a/src/common/evdp.h b/src/common/evdp.h deleted file mode 100644 index bc3454686..000000000 --- a/src/common/evdp.h +++ /dev/null @@ -1,168 +0,0 @@ -#ifndef _rA_EVDP_H_ -#define _rA_EVDP_H_ - -#include "../common/cbasetypes.h" - -typedef struct EVDP_DATA EVDP_DATA; - - -//#idef EVDP_EPOLL -#include <sys/epoll.h> -struct EVDP_DATA{ - struct epoll_event ev_data; - bool ev_added; -}; -//#endif - - -enum EVDP_EVENTFLAGS{ - EVDP_EVENT_IN = 1, // Incomming data - EVDP_EVENT_OUT = 2, // Connection accepts writing. - EVDP_EVENT_HUP = 4 // Connection Closed. -}; - -typedef struct EVDP_EVENT{ - int32 events; // due to performance reasons, this should be the first member. - int32 fd; // Connection Identifier -} EVDP_EVENT; - - - -/** - * Network Event Dispatcher Initialization / Finalization routines - */ -void evdp_init(); -void evdp_final(); - - -/** - * Will Wait for events. - * - * @param *out_ev pointer to array in size at least of max_events. - * @param max_events max no of events to report with this call (coalesc) - * @param timeout_ticks max time to wait in ticks (milliseconds) - * - * @Note: - * The function will block until an event has occured on one of the monitored connections - * or the timeout of timeout_ticks has passed by. - * Upon successfull call (changed connections) this function will write the connection - * Identifier & event to the out_fds array. - * - * @return 0 -> Timeout, > 0 no of changed connections. - */ -int32 evdp_wait(EVDP_EVENT *out_fds, int32 max_events, int32 timeout_ticks); - - -/** - * Applys the given mask on the given connection. - * - * @param fd connection identifier - * @param *ep event data pointer for the connection - * @param mask new event mask we're monitoring for. - */ -//void evdp_apply(int32 fd, EVDP_DATA *ep, int32 mask); - - -/** - * Adds a connection (listner) to the event notification system. - * - * @param fd connection identifier - * @param *ep event data pointer for the connection - * - * @note: - * Listener type sockets are edge triggered, (see epoll manual for more information) - * - This basicaly means that youll receive one event, adn you have to accept until accept returns an error (nothing to accept) - * - * MONITORS by default: IN - * - * @return success indicator. - */ -bool evdp_addlistener(int32 fd, EVDP_DATA *ep); - -/** - * Adds a connection (client connectioN) to the event notification system - * - * @param fd connection identifier - * @param *ep event data pointr for the connection - * - * @note: - * - * MONITORS by default: IN, HUP - * - * @return success indicator. - */ -bool evdp_addclient(int32 fd, EVDP_DATA *ep); - -/** - * Adds a connection (pending / outgoing connection!) to the event notification system. - * - * @param fd connection identifier - * @param *ep event data pointer for the conneciton. - * - * @note: - * Outgoing connection type sockets are getting monitored for connection established - * successfull - * - if the connection has been established - we're generitng a writable notification .. (send) - * this is typical for BSD / posix conform network stacks. - * - Additinionally its edge triggered. - * - * @see evdp_outgoingconnection_established - * - * - * @return success indicator - */ -bool evdp_addconnecting(int32 fd, EVDP_DATA *ep); - -/** - * Adds an outgoing connection to the normal event notification system after it has been successfully established. - * - * @param fd connection identifier - * @param *ep event data pointer for the conneciton. - - * @note - * after this call, its handled like a normal "client" connection (incomming) - * - * @rturn success indicator - */ -bool evdp_outgoingconnection_established(int32 fd, EVDP_DATA *ep); - -/** - * Marks a connection to be monitored for writable. - * - * @param fd connection identifier - * @param *ep event data pointer for the connection - * - * @note: - * the connection must be already added (as client or listener) - * - * - * @return sucess indicator - */ -bool evdp_writable_add(int32 fd, EVDP_DATA *ep); - -/** - * Removes the connection from writable notification monitoring - * - * @param fd connection identifier - * @param *ep event data pointr for the connection - * - */ -void evdp_writable_remove(int32 fd, EVDP_DATA *ep); - -/** - * Removes an connectio from the event notification system. - * - * @param fd connection iditentfir - * @param *ep event data pointer for th connection - * - * - * @note: - * this will also clear the given EVENT_DATA block - * so the connection slot is in an "initial" blank status / ready to get reused. - * - */ -void evdp_remove(int32 fd, EVDP_DATA *ep); - - - -#endif diff --git a/src/common/evdp_epoll.c b/src/common/evdp_epoll.c deleted file mode 100644 index 0357dfc66..000000000 --- a/src/common/evdp_epoll.c +++ /dev/null @@ -1,232 +0,0 @@ -// -// Event Dispatcher Abstraction for EPOLL -// -// 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 <stdio.h> -#include <errno.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> - -#include <sys/epoll.h> -#include <sys/fcntl.h> -#include <sys/socket.h> - -#include "../common/cbasetypes.h" -#include "../common/showmsg.h" -#include "../common/evdp.h" - - -#define EPOLL_MAX_PER_CYCLE 10 // Max Events to coalesc. per cycle. - - -static int epoll_fd = -1; - - -void evdp_init(){ - - epoll_fd = epoll_create( EPOLL_MAX_PER_CYCLE ); - if(epoll_fd == -1){ - ShowFatalError("evdp [EPOLL]: Cannot create event dispatcher (errno: %u / %s)\n", errno, strerror(errno) ); - exit(1); - } - -}//end: evdp_init() - - -void evdp_final(){ - - if(epoll_fd != -1){ - close(epoll_fd); - epoll_fd = -1; - } - -}//end: evdp_final() - - -int32 evdp_wait(EVDP_EVENT *out_fds, int32 max_events, int32 timeout_ticks){ - struct epoll_event l_events[EPOLL_MAX_PER_CYCLE]; - register struct epoll_event *ev; - register int nfds, n; - - if(max_events > EPOLL_MAX_PER_CYCLE) - max_events = EPOLL_MAX_PER_CYCLE; - - nfds = epoll_wait( epoll_fd, l_events, max_events, timeout_ticks); - if(nfds == -1){ - // @TODO: check if core is in shutdown mode. if - ignroe error. - - ShowFatalError("evdp [EPOLL]: epoll_wait returned bad / unexpected status (errno: %u / %s)\n", errno, strerror(errno)); - exit(1); //.. - } - - // Loop thru all events and copy it to the local ra evdp_event.. struct. - for(n = 0; n < nfds; n++){ - ev = &l_events[n]; - - out_fds->fd = ev->data.fd; - out_fds->events = 0; // clear - - if(ev->events & EPOLLHUP) - out_fds->events |= EVDP_EVENT_HUP; - - if(ev->events & EPOLLIN) - out_fds->events |= EVDP_EVENT_IN; - - if(ev->events & EPOLLOUT) - out_fds->events |= EVDP_EVENT_OUT; - - out_fds++; - } - - return nfds; // 0 on timeout or > 0 .. -}//end: evdp_wait() - - -void evdp_remove(int32 fd, EVDP_DATA *ep){ - - if(ep->ev_added == true){ - - if( epoll_ctl(epoll_fd, EPOLL_CTL_DEL, fd, &ep->ev_data) != 0){ - ShowError("evdp [EPOLL]: evdp_remove - epoll_ctl (EPOLL_CTL_DEL) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - } - - ep->ev_data.events = 0; // clear struct. - ep->ev_data.data.fd = -1; // .. clear struct .. - - ep->ev_added = false; // not added! - } - - -}//end: evdp_remove() - - -bool evdp_addlistener(int32 fd, EVDP_DATA *ep){ - - ep->ev_data.events = EPOLLET|EPOLLIN; - ep->ev_data.data.fd = fd; - - // No check here for 'added ?' - // listeners cannot be added twice. - // - if( epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ep->ev_data) != 0 ){ - ShowError("evdp [EPOLL]: evdp_addlistener - epoll_ctl (EPOLL_CTL_ADD) faield! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events = 0; - ep->ev_data.data.fd = -1; - return false; - } - - ep->ev_added = true; - - return true; -}//end: evdp_addlistener() - - -bool evdp_addclient(int32 fd, EVDP_DATA *ep){ - - ep->ev_data.events = EPOLLIN | EPOLLHUP; - ep->ev_data.data.fd = fd; - - // No check for "added?" here, - // this function only gets called upon accpept. - // - - if( epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ep->ev_data) != 0){ - ShowError("evdp [EPOLL]: evdp_addclient - epoll_ctl (EPOLL_CTL_ADD) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events = 0; - ep->ev_data.data.fd = -1; - return false; - } - - ep->ev_added = true; - - return true; -}//end: evdp_addclient() - - -bool evdp_addconnecting(int32 fd, EVDP_DATA *ep){ - - ep->ev_data.events = EPOLLET | EPOLLOUT | EPOLLHUP; - ep->ev_data.data.fd = fd; - - if( epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ep->ev_data) != 0){ - ShowError("evdp [EPOLL]: evdp_addconnecting - epoll_ctl (EPOLL_CTL_ADD) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events = 0; - ep->ev_data.data.fd = -1; - } - - ep->ev_added = true; - - return true; -}//end: evdp_addconnecting() - - -bool evdp_outgoingconnection_established(int32 fd, EVDP_DATA *ep){ - int32 saved_mask; - - if(ep->ev_added != true){ - // ! - ShowError("evdp [EPOLL]: evdp_outgoingconnection_established fd #%u is not added to event dispatcher! invalid call.\n", fd); - return false; - } - - saved_mask = ep->ev_data.events; - - ep->ev_data.events = EPOLLIN | EPOLLHUP; - - if( epoll_ctl(epoll_fd, EPOLL_CTL_MOD, fd, &ep->ev_data) != 0){ - ep->ev_data.events = saved_mask; // restore old mask. - ShowError("evdp [EPOLL]: evdp_outgoingconnection_established - epoll_ctl (EPOLL_CTL_MOD) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - return false; - } - - return true; -}//end: evdp_outgoingconnection_established() - - -bool evdp_writable_add(int32 fd, EVDP_DATA *ep){ - - if(ep->ev_added != true){ - ShowError("evdp [EPOLL]: evdp_writable_add - tried to add not added fd #%u\n",fd); - return false; - } - - if(! (ep->ev_data.events & EPOLLOUT) ){ // - - ep->ev_data.events |= EPOLLOUT; - if( epoll_ctl(epoll_fd, EPOLL_CTL_MOD, fd, &ep->ev_data) != 0 ){ - ShowError("evdp [EPOLL]: evdp_writable_add - epoll_ctl (EPOLL_CTL_MOD) failed! fd #%u (errno: %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events &= ~EPOLLOUT; // remove from local flagmask due to failed syscall. - return false; - } - } - - return true; -}//end: evdp_writable_add() - - -void evdp_writable_remove(int32 fd, EVDP_DATA *ep){ - - if(ep->ev_added != true){ - ShowError("evdp [EPOLL]: evdp_writable_remove - tried to remove not added fd #%u\n", fd); - return; - } - - if( ep->ev_data.events & EPOLLOUT ){ - - ep->ev_data.events &= ~EPOLLOUT; - if( epoll_ctl(epoll_fd, EPOLL_CTL_MOD, fd, &ep->ev_data) != 0){ - ShowError("evdp [EPOLL]: evdp_writable_remove - epoll_ctl (EPOLL_CTL_MOD) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events |= EPOLLOUT; // add back to local flagmask because of failed syscall. - return; - } - } - - return; -}//end: evdp_writable_remove() diff --git a/src/common/mempool.c b/src/common/mempool.c deleted file mode 100644 index 4559d8f2a..000000000 --- a/src/common/mempool.c +++ /dev/null @@ -1,568 +0,0 @@ - -// -// Memory Pool Implementation (Threadsafe) -// -// -// 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 <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> - -#ifdef WIN32 -#include "../common/winapi.h" -#else -#include <unistd.h> -#endif - -#include "../common/cbasetypes.h" -#include "../common/showmsg.h" -#include "../common/mempool.h" -#include "../common/atomic.h" -#include "../common/spinlock.h" -#include "../common/thread.h" -#include "../common/malloc.h" -#include "../common/mutex.h" - -#define ALIGN16 ra_align(16) -#define ALIGN_TO(x, a) ((x) + ( (a) - ( (x) % (a)) ) ) -#define ALIGN_TO_16(x) ALIGN_TO((x), 16) - -#undef MEMPOOL_DEBUG -#define MEMPOOLASSERT - - -#define NODE_TO_DATA(x) ( ((char*)(x)) + sizeof(struct node) ) -#define DATA_TO_NODE(x) ( (struct node*)(((char*)(x)) - sizeof(struct node)) ) -struct ra_align(16) node{ - void *next; - void *segment; -#ifdef MEMPOOLASSERT - bool used; - uint64 magic; - #define NODE_MAGIC 0xBEEF00EAEACAFE07ll -#endif -}; - - -// The Pointer to this struct is the base address of the segment itself. -struct pool_segment{ - mempool pool; // pool, this segment belongs to - struct pool_segment *next; - int64 num_nodes_total; - int64 num_bytes; -}; - - -struct mempool{ - // Settings - char *name; - uint64 elem_size; - uint64 elem_realloc_step; - int64 elem_realloc_thresh; - - // Callbacks that get called for every node that gets allocated - // Example usage: initialization of mutex/lock for each node. - memPoolOnNodeAllocationProc onalloc; - memPoolOnNodeDeallocationProc ondealloc; - - // Locks - SPIN_LOCK segmentLock; - SPIN_LOCK nodeLock; - - - // Internal - struct pool_segment *segments; - struct node *free_list; - - volatile int64 num_nodes_total; - volatile int64 num_nodes_free; - - volatile int64 num_segments; - volatile int64 num_bytes_total; - - volatile int64 peak_nodes_used; // Peak Node Usage - volatile int64 num_realloc_events; // Number of reallocations done. (allocate additional nodes) - - // list (used for global management such as allocator..) - struct mempool *next; -} ra_align(8); // Dont touch the alignment, otherwise interlocked functions are broken .. - - -/// -// Implementation: -// -static void segment_allocate_add(mempool p, uint64 count); - -static SPIN_LOCK l_mempoolListLock; -static mempool l_mempoolList = NULL; -static rAthread l_async_thread = NULL; -static ramutex l_async_lock = NULL; -static racond l_async_cond = NULL; -static volatile int32 l_async_terminate = 0; - -static void *mempool_async_allocator(void *x){ - mempool p; - - - while(1){ - if(l_async_terminate > 0) - break; - - EnterSpinLock(&l_mempoolListLock); - - for(p = l_mempoolList; p != NULL; p = p->next){ - - if(p->num_nodes_free < p->elem_realloc_thresh){ - // add new segment. - segment_allocate_add(p, p->elem_realloc_step); - // increase stats counter - InterlockedIncrement64(&p->num_realloc_events); - } - - } - - LeaveSpinLock(&l_mempoolListLock); - - ramutex_lock( l_async_lock ); - racond_wait( l_async_cond, l_async_lock, -1 ); - ramutex_unlock( l_async_lock ); - } - - - return NULL; -}//end: mempool_async_allocator() - - -void mempool_init(){ - - if( rand()%2 + 1 ) - return; - - if(sizeof(struct node)%16 != 0 ){ - ShowFatalError("mempool_init: struct node alignment failure. %u != multiple of 16\n", sizeof(struct node)); - exit(EXIT_FAILURE); - } - - // Global List start - InitializeSpinLock(&l_mempoolListLock); - l_mempoolList = NULL; - - // Initialize mutex + stuff needed for async allocator worker. - l_async_terminate = 0; - l_async_lock = ramutex_create(); - l_async_cond = racond_create(); - - l_async_thread = rathread_createEx(mempool_async_allocator, NULL, 1024*1024, RAT_PRIO_NORMAL); - if(l_async_thread == NULL){ - ShowFatalError("mempool_init: cannot spawn Async Allocator Thread.\n"); - exit(EXIT_FAILURE); - } - -}//end: mempool_init() - - -void mempool_final(){ - mempool p, pn; - - if( rand()%2 + 1 ) - return; - - ShowStatus("Mempool: Terminating async. allocation worker and remaining pools.\n"); - - // Terminate worker / wait until its terminated. - InterlockedIncrement(&l_async_terminate); - racond_signal(l_async_cond); - rathread_wait(l_async_thread, NULL); - - // Destroy cond var and mutex. - racond_destroy( l_async_cond ); - ramutex_destroy( l_async_lock ); - - // Free remaining mempools - // ((bugged code! this should halppen, every mempool should - // be freed by the subsystem that has allocated it.) - // - EnterSpinLock(&l_mempoolListLock); - p = l_mempoolList; - while(1){ - if(p == NULL) - break; - - pn = p->next; - - ShowWarning("Mempool [%s] was not properly destroyed - forcing destroy.\n", p->name); - mempool_destroy(p); - - p = pn; - } - LeaveSpinLock(&l_mempoolListLock); - -}//end: mempool_final() - - -static void segment_allocate_add(mempool p, uint64 count){ - - // Required Memory: - // sz( segment ) - // count * sz( real_node_size ) - // - // where real node size is: - // ALIGN_TO_16( sz( node ) ) + p->elem_size - // so the nodes usable address is nodebase + ALIGN_TO_16(sz(node)) - // - size_t total_sz; - struct pool_segment *seg = NULL; - struct node *nodeList = NULL; - struct node *node = NULL; - char *ptr = NULL; - uint64 i; - - total_sz = ALIGN_TO_16( sizeof(struct pool_segment) ) - + ( (size_t)count * (sizeof(struct node) + (size_t)p->elem_size) ) ; - -#ifdef MEMPOOL_DEBUG - ShowDebug("Mempool [%s] Segment AllocateAdd (num: %u, total size: %0.2fMiB)\n", p->name, count, (float)total_sz/1024.f/1024.f); -#endif - - // allocate! (spin forever until weve got the memory.) - i=0; - while(1){ - ptr = (char*)aMalloc(total_sz); - if(ptr != NULL) break; - - i++; // increase failcount. - if(!(i & 7)){ - ShowWarning("Mempool [%s] Segment AllocateAdd => System seems to be Out of Memory (%0.2f MiB). Try #%u\n", (float)total_sz/1024.f/1024.f, i); -#ifdef WIN32 - Sleep(1000); -#else - sleep(1); -#endif - }else{ - rathread_yield(); /// allow/force vuln. ctxswitch - } - }//endwhile: allocation spinloop. - - // Clear Memory. - memset(ptr, 0x00, total_sz); - - // Initialize segment struct. - seg = (struct pool_segment*)ptr; - ptr += ALIGN_TO_16(sizeof(struct pool_segment)); - - seg->pool = p; - seg->num_nodes_total = count; - seg->num_bytes = total_sz; - - - // Initialze nodes! - nodeList = NULL; - for(i = 0; i < count; i++){ - node = (struct node*)ptr; - ptr += sizeof(struct node); - ptr += p->elem_size; - - node->segment = seg; -#ifdef MEMPOOLASSERT - node->used = false; - node->magic = NODE_MAGIC; -#endif - - if(p->onalloc != NULL) p->onalloc( NODE_TO_DATA(node) ); - - node->next = nodeList; - nodeList = node; - } - - - - // Link in Segment. - EnterSpinLock(&p->segmentLock); - seg->next = p->segments; - p->segments = seg; - LeaveSpinLock(&p->segmentLock); - - // Link in Nodes - EnterSpinLock(&p->nodeLock); - nodeList->next = p->free_list; - p->free_list = nodeList; - LeaveSpinLock(&p->nodeLock); - - - // Increase Stats: - InterlockedExchangeAdd64(&p->num_nodes_total, count); - InterlockedExchangeAdd64(&p->num_nodes_free, count); - InterlockedIncrement64(&p->num_segments); - InterlockedExchangeAdd64(&p->num_bytes_total, total_sz); - -}//end: segment_allocate_add() - - -mempool mempool_create(const char *name, - uint64 elem_size, - uint64 initial_count, - uint64 realloc_count, - memPoolOnNodeAllocationProc onNodeAlloc, - memPoolOnNodeDeallocationProc onNodeDealloc){ - //.. - uint64 realloc_thresh; - mempool pool; - pool = (mempool)aCalloc( 1, sizeof(struct mempool) ); - - if(pool == NULL){ - ShowFatalError("mempool_create: Failed to allocate %u bytes memory.\n", sizeof(struct mempool) ); - exit(EXIT_FAILURE); - } - - // Check minimum initial count / realloc count requirements. - if(initial_count < 50) - initial_count = 50; - if(realloc_count < 50) - realloc_count = 50; - - // Set Reallocation threshold to 5% of realloc_count, at least 10. - realloc_thresh = (realloc_count/100)*5; // - if(realloc_thresh < 10) - realloc_thresh = 10; - - // Initialize members.. - pool->name = aStrdup(name); - pool->elem_size = ALIGN_TO_16(elem_size); - pool->elem_realloc_step = realloc_count; - pool->elem_realloc_thresh = realloc_thresh; - pool->onalloc = onNodeAlloc; - pool->ondealloc = onNodeDealloc; - - InitializeSpinLock(&pool->segmentLock); - InitializeSpinLock(&pool->nodeLock); - - // Initial Statistic values: - pool->num_nodes_total = 0; - pool->num_nodes_free = 0; - pool->num_segments = 0; - pool->num_bytes_total = 0; - pool->peak_nodes_used = 0; - pool->num_realloc_events = 0; - - // -#ifdef MEMPOOL_DEBUG - ShowDebug("Mempool [%s] Init (ElemSize: %u, Initial Count: %u, Realloc Count: %u)\n", pool->name, pool->elem_size, initial_count, pool->elem_realloc_step); -#endif - - // Allocate first segment directly :) - segment_allocate_add(pool, initial_count); - - - // Add Pool to the global pool list - EnterSpinLock(&l_mempoolListLock); - pool->next = l_mempoolList; - l_mempoolList = pool; - LeaveSpinLock(&l_mempoolListLock); - - - return pool; -}//end: mempool_create() - - -void mempool_destroy(mempool p){ - struct pool_segment *seg, *segnext; - struct node *niter; - mempool piter, pprev; - char *ptr; - int64 i; - -#ifdef MEMPOOL_DEBUG - ShowDebug("Mempool [%s] Destroy\n", p->name); -#endif - - // Unlink from global list. - EnterSpinLock(&l_mempoolListLock); - piter = l_mempoolList; - pprev = l_mempoolList; - while(1){ - if(piter == NULL) - break; - - - if(piter == p){ - // unlink from list, - // - if(pprev == l_mempoolList){ - // this (p) is list begin. so set next as head. - l_mempoolList = p->next; - }else{ - // replace prevs next wuth our next. - pprev->next = p->next; - } - break; - } - - pprev = piter; - piter = piter->next; - } - - p->next = NULL; - LeaveSpinLock(&l_mempoolListLock); - - - // Get both locks. - EnterSpinLock(&p->segmentLock); - EnterSpinLock(&p->nodeLock); - - - if(p->num_nodes_free != p->num_nodes_total) - ShowWarning("Mempool [%s] Destroy - %u nodes are not freed properly!\n", p->name, (p->num_nodes_total - p->num_nodes_free) ); - - // Free All Segments (this will also free all nodes) - // The segment pointer is the base pointer to the whole segment. - seg = p->segments; - while(1){ - if(seg == NULL) - break; - - segnext = seg->next; - - // .. - if(p->ondealloc != NULL){ - // walk over the segment, and call dealloc callback! - ptr = (char*)seg; - ptr += ALIGN_TO_16(sizeof(struct pool_segment)); - for(i = 0; i < seg->num_nodes_total; i++){ - niter = (struct node*)ptr; - ptr += sizeof(struct node); - ptr += p->elem_size; -#ifdef MEMPOOLASSERT - if(niter->magic != NODE_MAGIC){ - ShowError("Mempool [%s] Destroy - walk over segment - node %p invalid magic!\n", p->name, niter); - continue; - } -#endif - - p->ondealloc( NODE_TO_DATA(niter) ); - - - } - }//endif: ondealloc callback? - - // simple .. - aFree(seg); - - seg = segnext; - } - - // Clear node ptr - p->free_list = NULL; - InterlockedExchange64(&p->num_nodes_free, 0); - InterlockedExchange64(&p->num_nodes_total, 0); - InterlockedExchange64(&p->num_segments, 0); - InterlockedExchange64(&p->num_bytes_total, 0); - - LeaveSpinLock(&p->nodeLock); - LeaveSpinLock(&p->segmentLock); - - // Free pool itself :D - aFree(p->name); - aFree(p); - -}//end: mempool_destroy() - - -void *mempool_node_get(mempool p){ - struct node *node; - int64 num_used; - - if(p->num_nodes_free < p->elem_realloc_thresh) - racond_signal(l_async_cond); - - while(1){ - - EnterSpinLock(&p->nodeLock); - - node = p->free_list; - if(node != NULL) - p->free_list = node->next; - - LeaveSpinLock(&p->nodeLock); - - if(node != NULL) - break; - - rathread_yield(); - } - - InterlockedDecrement64(&p->num_nodes_free); - - // Update peak value - num_used = (p->num_nodes_total - p->num_nodes_free); - if(num_used > p->peak_nodes_used){ - InterlockedExchange64(&p->peak_nodes_used, num_used); - } - -#ifdef MEMPOOLASSERT - node->used = true; -#endif - - return NODE_TO_DATA(node); -}//end: mempool_node_get() - - -void mempool_node_put(mempool p, void *data){ - struct node *node; - - node = DATA_TO_NODE(data); -#ifdef MEMPOOLASSERT - if(node->magic != NODE_MAGIC){ - ShowError("Mempool [%s] node_put failed, given address (%p) has invalid magic.\n", p->name, data); - return; // lost, - } - - { - struct pool_segment *node_seg = node->segment; - if(node_seg->pool != p){ - ShowError("Mempool [%s] node_put faild, given node (data address %p) doesnt belongs to this pool. ( Node Origin is [%s] )\n", p->name, data, node_seg->pool); - return; - } - } - - // reset used flag. - node->used = false; -#endif - - // - EnterSpinLock(&p->nodeLock); - node->next = p->free_list; - p->free_list = node; - LeaveSpinLock(&p->nodeLock); - - InterlockedIncrement64(&p->num_nodes_free); - -}//end: mempool_node_put() - - -mempool_stats mempool_get_stats(mempool pool){ - mempool_stats stats; - - // initialize all with zeros - memset(&stats, 0x00, sizeof(mempool_stats)); - - stats.num_nodes_total = pool->num_nodes_total; - stats.num_nodes_free = pool->num_nodes_free; - stats.num_nodes_used = (stats.num_nodes_total - stats.num_nodes_free); - stats.num_segments = pool->num_segments; - stats.num_realloc_events= pool->num_realloc_events; - stats.peak_nodes_used = pool->peak_nodes_used; - stats.num_bytes_total = pool->num_bytes_total; - - // Pushing such a large block over the stack as return value isnt nice - // but lazy :) and should be okay in this case (Stats / Debug..) - // if you dont like it - feel free and refactor it. - return stats; -}//end: mempool_get_stats() - diff --git a/src/common/mempool.h b/src/common/mempool.h deleted file mode 100644 index aeaebe7fe..000000000 --- a/src/common/mempool.h +++ /dev/null @@ -1,100 +0,0 @@ -#ifndef _rA_MEMPOOL_H_ -#define _rA_MEMPOOL_H_ - -#include "../common/cbasetypes.h" - -typedef struct mempool *mempool; - -typedef void (*memPoolOnNodeAllocationProc)(void *ptr); -typedef void (*memPoolOnNodeDeallocationProc)(void *ptr); - -typedef struct mempool_stats{ - int64 num_nodes_total; - int64 num_nodes_free; - int64 num_nodes_used; - - int64 num_segments; - int64 num_realloc_events; - - int64 peak_nodes_used; - - int64 num_bytes_total; -} mempool_stats; - - -// -void mempool_init(); -void mempool_final(); - - -/** - * Creates a new Mempool - * - * @param name - Name of the pool (used for debug / error messages) - * @param elem_size - size of each element - * @param initial_count - preallocation count - * @param realloc_count - #no of nodes being allocated when pool is running empty. - * @param onNodeAlloc - Node Allocation callback (see @note!) - * @param onNodeDealloc - Node Deallocation callback (see @note!) - * - * @note: - * The onNode(De)alloc callbacks are only called once during segment allocation - * (pool initialization / rallocation ) - * you can use this callbacks for example to initlaize a mutex or somethingelse - * you definitly need during runtime - * - * @return not NULL - */ -mempool mempool_create(const char *name, - uint64 elem_size, - uint64 initial_count, - uint64 realloc_count, - - memPoolOnNodeAllocationProc onNodeAlloc, - memPoolOnNodeDeallocationProc onNodeDealloc); - - -/** - * Destroys a Mempool - * - * @param pool - the mempool to destroy - * - * @note: - * Everything gets deallocated, regardless if everything was freed properly! - * So you have to ensure that all references are cleared properly! - */ -void mempool_destroy(mempool pool); - - -/** - * Gets a new / empty node from the given mempool. - * - * @param pool - the pool to get an empty node from. - * - * @return Address of empty Node - */ -void *mempool_node_get(mempool pool); - - -/** - * Returns the given node to the given mempool - * - * @param pool - the pool to put the node, to - * @param node - the node to return - */ -void mempool_node_put(mempool pool, void *node); - - -/** - * Returns Statistics for the given mempool - * - * @param pool - the pool to get thats for - * - * @note: i dont like pushing masses of values over the stack, too - but its lazy and okay for stats. (blacksirius) - * - * @return stats struct - */ -mempool_stats mempool_get_stats(mempool pool); - - -#endif 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() diff --git a/src/common/netbuffer.h b/src/common/netbuffer.h deleted file mode 100644 index 6ddecfdd9..000000000 --- a/src/common/netbuffer.h +++ /dev/null @@ -1,81 +0,0 @@ -// Copyright (c) rAthena Project (www.rathena.org) - Licensed under GNU GPL -// For more information, see LICENCE in the main folder - -#ifndef _rA_NETBUFFER_H_ -#define _rA_NETBUFFER_H_ - -#include "../common/cbasetypes.h" - -typedef struct netbuf{ - sysint pool; // The pool ID this buffer belongs to, - // is set to -1 if its an emergency allocated buffer - - struct netbuf *next; // Used by Network system. - - volatile int32 refcnt; // Internal Refcount, it gets lowered every call to netbuffer_put, - // if its getting zero, the buffer will returned back to the pool - // and can be reused. - - int32 dataPos; // Current Offset - // Used only for Reading (recv job) - // write cases are using the sessions local datapos member due to - // shared write buffer support. - - int32 dataLen; // read buffer case: - // The length expected to read to. - // when this->dataPos == dateLen, read job has been completed. - // write buffer case: - // The lngth of data in te buffer - // when s->dataPos == dataLen, write job has been completed - // - // Note: - // leftBytes = (dateLen - dataPos) - // - // Due to shared buffer support - // dataPos gets not used in write case (each connection has its local offset) - // - - // The Bufferspace itself. - char buf[32]; -} *netbuf; - - -void netbuffer_init(); -void netbuffer_final(); - -/** - * Gets a netbuffer that has atleast (sz) byes space. - * - * @note: The netbuffer system guarantees that youll always recevie a buffer. - * no check for null is required! - * - * @param sz - minimum size needed. - * - * @return pointer to netbuf struct - */ -netbuf netbuffer_get( sysint sz ); - - -/** - * Returns the given netbuffer (decreases refcount, if its 0 - the buffer will get returned to the pool) - * - * @param buf - the buffer to return - */ -void netbuffer_put( netbuf buf ); - - -/** - * Increases the Refcount on the given buffer - * (used for areasends .. etc) - * - */ -void netbuffer_incref( netbuf buf ); - - -// Some Useful macros -#define NBUFP(netbuf,pos) (((uint8*)((netbuf)->buf)) + (pos)) -#define NBUFB(netbuf,pos) (*(uint8*)(((netbuf)->buf) + (pos))) -#define NBUFW(netbuf,pos) (*(uint16*)(((netbuf)->buf) + (pos))) -#define NBUFL(netbuf,pos) (*(uint32*)(((netbuf)->buf) + (pos))) - -#endif diff --git a/src/common/network.c b/src/common/network.c deleted file mode 100644 index a40cbd602..000000000 --- a/src/common/network.c +++ /dev/null @@ -1,1061 +0,0 @@ -// -// Network Subsystem (previously known as socket system) -// -// 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 -// -// -//#ifdef HAVE_ACCETP4 -#define _GNU_SOURCE -//#endif - -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> - -#include <sys/types.h> -#include <sys/fcntl.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <arpa/inet.h> - - -#include "../common/cbasetypes.h" -#include "../common/showmsg.h" -#include "../common/timer.h" -#include "../common/evdp.h" -#include "../common/netbuffer.h" - -#include "../common/network.h" - -#define ENABLE_IPV6 -#define HAVE_ACCEPT4 -#define EVENTS_PER_CYCLE 10 -#define PARANOID_CHECKS - -// Local Vars (settings..) -static int l_ListenBacklog = 64; - -// -// Global Session Array (previously exported as session[] -// -SESSION g_Session[MAXCONN]; - - -// -static bool onSend(int32 fd); - - -#define _network_free_netbuf_async( buf ) add_timer( 0, _network_async_free_netbuf_proc, 0, (intptr_t)(buf)) -static int _network_async_free_netbuf_proc(int tid, unsigned int tick, int id, intptr_t data){ - // netbuf is in data - netbuffer_put( (netbuf)data ); - - return 0; -}//end: _network_async_free_netbuf_proc() - - - -void network_init(){ - SESSION *s; - int32 i; - - memset(g_Session, 0x00, (sizeof(SESSION) * MAXCONN) ); - - for(i = 0; i < MAXCONN; i++){ - s = &g_Session[i]; - - s->type = NST_FREE; - s->disconnect_in_progress = false; - - } - - // Initialize the correspondig event dispatcher - evdp_init(); - - // - add_timer_func_list(_network_async_free_netbuf_proc, "_network_async_free_netbuf_proc"); - -}//end: network_init() - - -void network_final(){ - - // @TODO: - // .. disconnect and cleanup everything! - - evdp_final(); - -}//end: network_final() - - -void network_do(){ - struct EVDP_EVENT l_events[EVENTS_PER_CYCLE]; - register struct EVDP_EVENT *ev; - register int n, nfds; - register SESSION *s; - - nfds = evdp_wait( l_events, EVENTS_PER_CYCLE, 1000); // @TODO: timer_getnext() - - for(n = 0; n < nfds; n++){ - ev = &l_events[n]; - s = &g_Session[ ev->fd ]; - - if(ev->events & EVDP_EVENT_HUP){ - network_disconnect( ev->fd ); - continue; // no further event processing. - }// endif vent is HUP (disconnect) - - - if(ev->events & EVDP_EVENT_IN){ - - if(s->onRecv != NULL){ - if( false == s->onRecv(ev->fd) ){ - network_disconnect(ev->fd); - continue; // .. - } - }else{ - ShowError("network_do: fd #%u has no onRecv proc set. - disconnecting\n", ev->fd); - network_disconnect(ev->fd); - continue; - } - - }// endif event is IN (recv) - - - if(ev->events & EVDP_EVENT_OUT){ - if(s->onSend != NULL){ - if( false == s->onSend(ev->fd) ){ - network_disconnect(ev->fd); - continue; - } - }else{ - ShowError("network_do: fd #%u has no onSend proc set. - disconnecting\n", ev->fd); - network_disconnect(ev->fd); - continue; - } - }// endif event is OUT (send) - - }//endfor - -}//end: network_do() - - -static bool _setnonblock(int32 fd){ - int flags = fcntl(fd, F_GETFL, 0); - if(fcntl(fd, F_SETFL, flags | O_NONBLOCK) != 0) - return false; - - return true; -}//end: _setnonblock() - - -static bool _network_accept(int32 fd){ - SESSION *listener = &g_Session[fd]; - SESSION *s; - union{ - struct sockaddr_in v4; -#ifdef ENABLE_IPV6 - struct sockaddr_in6 v6; -#endif - } _addr; - int newfd; - socklen_t addrlen; - struct sockaddr *addr; - - // Accept until OS returns - nothing to accept anymore - // - this is required due to our EVDP abstraction. (which handles on listening sockets similar to epoll's EPOLLET flag.) - while(1){ -#ifdef ENABLE_IPV6 - if(listener->v6 == true){ - addrlen = sizeof(_addr.v6); - addr = (struct sockaddr*)&_addr.v6; - }else{ -#endif - addrlen = sizeof(_addr.v4); - addr = (struct sockaddr*)&_addr.v4; -#ifdef ENABLE_IPV6 - } -#endif - -#ifdef HAVE_ACCEPT4 - newfd = accept4(fd, addr, &addrlen, SOCK_NONBLOCK); -#else - newfd = accept(fd, addr, &addrlen); -#endif - - if(newfd == -1){ - if(errno == EAGAIN || errno == EWOULDBLOCK) - break; // this is fully valid & whished., se explaination on top of while(1) - - // Otherwis .. we have serious problems :( seems tahat our listner has gone away.. - // @TODO handle this .. - ShowError("_network_accept: accept() returned error. closing listener. (errno: %u / %s)\n", errno, strerror(errno)); - - return false; // will call disconnect after return. - //break; - } - -#ifndef HAVE_ACCEPT4 // no accept4 means, we have to set nonblock by ourself. .. - if(_setnonblock(newfd) == false){ - ShowError("_network_accept: failed to set newly accepted connection nonblocking (errno: %u / %s). - disconnecting.\n", errno, strerror(errno)); - close(newfd); - continue; - } -#endif - - // Check connection limits. - if(newfd >= MAXCONN){ - ShowError("_network_accept: failed to accept connection - MAXCONN (%u) exceeded.\n", MAXCONN); - close(newfd); - continue; // we have to loop over the events (and disconnect them too ..) but otherwise we would leak event notifications. - } - - - // Create new Session. - s = &g_Session[newfd]; - s->type = NST_CLIENT; - - // The new connection inherits listenr's handlers. - s->onDisconnect = listener->onDisconnect; - s->onConnect = listener->onConnect; // maybe useless but .. fear the future .. :~ - - // Register the new connection @ EVDP - if( evdp_addclient(newfd, &s->evdp_data) == false){ - ShowError("_network_accept: failed to accept connection - event subsystem returned an error.\n"); - close(newfd); - s->type = NST_FREE; - } - - // Call the onConnect handler on the listener. - if( listener->onConnect(newfd) == false ){ - // Resfused by onConnect handler.. - evdp_remove(newfd, &s->evdp_data); - - close(newfd); - s->type = NST_FREE; - - s->data = NULL; // be on the safe side ~ ! - continue; - } - - - } - - return true; -}//end: _network_accept() - - -void network_disconnect(int32 fd){ - SESSION *s = &g_Session[fd]; - netbuf b, bn; - - // Prevent recursive calls - // by wrong implemented on disconnect handlers.. and such.. - if(s->disconnect_in_progress == true) - return; - - s->disconnect_in_progress = true; - - - // Disconnect Todo: - // - Call onDisconnect Handler - // - Release all Assigned buffers. - // - remove from event system (notifications) - // - cleanup session structure - // - close connection. - // - - if(s->onDisconnect != NULL && - s->type != NST_LISTENER){ - - s->onDisconnect( fd ); - } - - // Read Buffer - if(s->read.buf != NULL){ - netbuffer_put(s->read.buf); - s->read.buf = NULL; - } - - // Write Buffer(s) - b = s->write.buf; - while(1){ - if(b == NULL) break; - - bn = b->next; - - netbuffer_put(b); - - b = bn; - } - s->write.buf = NULL; - s->write.buf_last = NULL; - - s->write.n_outstanding = 0; - s->write.max_outstanding = 0; - - - // Remove from event system. - evdp_remove(fd, &s->evdp_data); - - // Cleanup Session Structure. - s->type = NST_FREE; - s->data = NULL; // no application level data assigned - s->disconnect_in_progress = false; - - - // Close connection - close(fd); - -}//end: network_disconnect() - - -int32 network_addlistener(bool v6, const char *addr, uint16 port){ - SESSION *s; - int optval, fd; - -#if !defined(ENABLE_IPV6) - if(v6 == true){ - ShowError("network_addlistener(%c, '%s', %u): this release has no IPV6 support.\n", (v6==true?'t':'f'), addr, port); - return -1; - } -#endif - - -#ifdef ENABLE_IPV6 - if(v6 == true) - fd = socket(AF_INET6, SOCK_STREAM, 0); - else -#endif - fd = socket(AF_INET, SOCK_STREAM, 0); - - // Error? - if(fd == -1){ - ShowError("network_addlistener(%c, '%s', %u): socket() failed (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - return -1; - } - - // Too many connections? - if(fd >= MAXCONN){ - ShowError("network_addlistener(%c, '%s', %u): cannot create listener, exceeds more than supported connections (%u).\n", (v6==true?'t':'f'), addr, port, MAXCONN); - close(fd); - return -1; - } - - - s = &g_Session[fd]; - if(s->type != NST_FREE){ // additional checks.. :) - ShowError("network_addlistener(%c, '%s', %u): failed, got fd #%u which is already in use in local session table?!\n", (v6==true?'t':'f'), addr, port, fd); - close(fd); - return -1; - } - - - // Fill ip addr structs -#ifdef ENABLE_IPV6 - if(v6 == true){ - memset(&s->addr.v6, 0x00, sizeof(s->addr.v6)); - s->addr.v6.sin6_family = AF_INET6; - s->addr.v6.sin6_port = htons(port); - if(inet_pton(AF_INET6, addr, &s->addr.v6.sin6_addr) != 1){ - ShowError("network_addlistener(%c, '%s', %u): failed to parse the given IPV6 address.\n", (v6==true?'t':'f'), addr, port); - close(fd); - return -1; - } - - }else{ -#endif - memset(&s->addr.v4, 0x00, sizeof(s->addr.v4)); - s->addr.v4.sin_family = AF_INET; - s->addr.v4.sin_port = htons(port); - s->addr.v4.sin_addr.s_addr = inet_addr(addr); -#ifdef ENABLE_IPV6 - } -#endif - - - // if OS has support for SO_REUSEADDR, apply the flag - // so the address could be used when there're still time_wait sockets outstanding from previous application run. -#ifdef SO_REUSEADDR - optval=1; - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)); -#endif - - // Bind -#ifdef ENABLE_IPV6 - if(v6 == true){ - if( bind(fd, (struct sockaddr*)&s->addr.v6, sizeof(s->addr.v6)) == -1) { - ShowError("network_addlistener(%c, '%s', %u): bind failed (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - close(fd); - return -1; - } - }else{ -#endif - if( bind(fd, (struct sockaddr*)&s->addr.v4, sizeof(s->addr.v4)) == -1) { - ShowError("network_addlistener(%c, '%s', %u): bind failed (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - close(fd); - return -1; - } -#ifdef ENABLE_IPV6 - } -#endif - - if( listen(fd, l_ListenBacklog) == -1){ - ShowError("network_addlistener(%c, '%s', %u): listen failed (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - close(fd); - return -1; - } - - - // Set to nonblock! - if(_setnonblock(fd) == false){ - ShowError("network_addlistener(%c, '%s', %u): cannot set to nonblock (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - close(fd); - return -1; - } - - - // Rgister @ evdp. - if( evdp_addlistener(fd, &s->evdp_data) != true){ - ShowError("network_addlistener(%c, '%s', %u): eventdispatcher subsystem returned an error.\n", (v6==true?'t':'f'), addr, port); - close(fd); - return -1; - } - - - // Apply flags on Session array for this conneciton. - if(v6 == true) s->v6 = true; - else s->v6 = false; - - s->type = NST_LISTENER; - s->onRecv = _network_accept; - - ShowStatus("Added Listener on '%s':%u\n", addr, port, (v6==true ? "(ipv6)":"(ipv4)") ); - - return fd; -}//end: network_addlistener() - - -static bool _network_connect_establishedHandler(int32 fd){ - register SESSION *s = &g_Session[fd]; - int val; - socklen_t val_len; - - if(s->type == NST_FREE) - return true; // due to multiple non coalesced event notifications - // this can happen .. when a previous handled event has already disconnected the connection - // within the same cycle.. - - val = -1; - val_len = sizeof(val); - getsockopt(fd, SOL_SOCKET, SO_ERROR, &val, &val_len); - - if(val != 0){ - // :( .. cleanup session.. - s->type = NST_FREE; - s->onSend = NULL; - s->onConnect = NULL; - s->onDisconnect = NULL; - - evdp_remove(fd, &s->evdp_data); - close(fd); - - return true; // we CANT return false, - // becuase the normal disconnect procedure would execute the ondisconnect handler, which we dont want .. in this case. - }else{ - // ok - if(s->onConnect(fd) == false) { - // onConnect handler has refused the connection .. - // cleanup .. and ok - s->type = NST_FREE; - s->onSend = NULL; - s->onConnect = NULL; - s->onDisconnect = NULL; - - evdp_remove(fd, &s->evdp_data); - close(fd); - - return true; // we dnot want the ondisconnect handler to be executed, so its okay to handle this by ourself. - } - - // connection established ! - // - if( evdp_outgoingconnection_established(fd, &s->evdp_data) == false ){ - return false; // we want the normal disconnect procedure.. with call to ondisconnect handler. - } - - s->onSend = NULL; - - ShowStatus("#%u connection successfull!\n", fd); - } - - return true; -}//end: _network_connect_establishedHandler() - - -int32 network_connect(bool v6, - const char *addr, - uint16 port, - const char *from_addr, - uint16 from_port, - bool (*onConnectionEstablishedHandler)(int32 fd), - void (*onConnectionLooseHandler)(int32 fd) -){ - register SESSION *s; - int32 fd, optval, ret; - struct sockaddr_in ip4; -#ifdef ENABLE_IPV6 - struct sockaddr_in6 ip6; -#endif - -#ifdef ENABLE_IPV6 - if(v6 == true) - fd = socket(AF_INET6, SOCK_STREAM, 0); - else -#endif - fd = socket(AF_INET, SOCK_STREAM, 0); - -#ifndef ENABLE_IPV6 - // check.. - if(v6 == true){ - ShowError("network_connect(%c, '%s', %u...): tried to create an ipv6 connection, IPV6 is not supported in this release.\n", (v6==true?'t':'f'), addr, port); - return -1; - } -#endif - - // check connection limits. - if(fd >= MAXCONN){ - ShowError("network_connect(%c, '%s', %u...): cannot create new connection, exceeeds more than supported connections (%u)\n", (v6==true?'t':'f'), addr, port ); - close(fd); - return -1; - } - - - // Originating IP/Port pair given ? - if(from_addr != NULL && *from_addr != 0){ - //.. - #ifdef SO_REUSEADDR - optval=1; - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)); - #endif - - #ifdef ENABLE_IPV6 - if(v6 == true){ - memset(&ip6, 0x00, sizeof(ip6)); - ip6.sin6_family = AF_INET6; - ip6.sin6_port = htons(from_port); - - if(inet_pton(AF_INET6, from_addr, &ip6.sin6_addr) != 1){ - ShowError("network_connect(%c, '%s', %u...): cannot parse originating (from) IPV6 address (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - close(fd); - return -1; - } - - ret = bind(fd, (struct sockaddr*)&ip6, sizeof(ip6)); - }else{ - #endif - memset(&ip4, 0x00, sizeof(ip4)); - - ip4.sin_family = AF_INET; - ip4.sin_port = htons(from_port); - ip4.sin_addr.s_addr = inet_addr(from_addr); - ret = bind(fd, (struct sockaddr*)&ip4, sizeof(ip4)); - #ifdef ENABLE_IPV6 - } - #endif - - } - - - // Set non block - if(_setnonblock(fd) == false){ - ShowError("network_connect(%c, '%s', %u...): cannot set socket to nonblocking (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - close(fd); - return -1; - } - - - // Create ip addr block to connect to .. -#ifdef ENABLE_IPV6 - if(v6 == true){ - memset(&ip6, 0x00, sizeof(ip6)); - ip6.sin6_family = AF_INET6; - ip6.sin6_port = htons(port); - - if(inet_pton(AF_INET6, addr, &ip6.sin6_addr) != 1){ - ShowError("network_connect(%c, '%s', %u...): cannot parse destination IPV6 address (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - close(fd); - return -1; - } - - }else{ -#endif - memset(&ip4, 0x00, sizeof(ip4)); - - ip4.sin_family = AF_INET; - ip4.sin_port = htons(port); - ip4.sin_addr.s_addr = inet_addr(addr); -#ifdef ENABLE_IPV6 - } -#endif - - - // Assign Session.. - s = &g_Session[fd]; - s->type = NST_OUTGOING; - s->v6 = v6; - s->onConnect = onConnectionEstablishedHandler; - s->onDisconnect = onConnectionLooseHandler; - s->onRecv = NULL; - s->onSend = _network_connect_establishedHandler; -#ifdef ENABLE_IPV6 - if(v6 == true) - memcpy(&s->addr.v6, &ip6, sizeof(ip6)); - else -#endif - memcpy(&s->addr.v4, &ip4, sizeof(ip4)); - - // Register @ EVDP. as outgoing (see doc of the function) - if(evdp_addconnecting(fd, &s->evdp_data) == false){ - ShowError("network_connect(%c, '%s', %u...): eventdispatcher subsystem returned an error.\n", (v6==true?'t':'f'), addr, port); - - // cleanup session x.x.. - s->type = NST_FREE; - s->onConnect = NULL; - s->onDisconnect = NULL; - s->onSend = NULL; - - // close, return error code. - close(fd); - return -1; - } - - -#ifdef ENABLE_IPV6 - if(v6 == true) - ret = connect(fd, (struct sockaddr*)&ip6, sizeof(ip6)); - else -#endif - ret = connect(fd, (struct sockaddr*)&ip4, sizeof(ip4)); - - - // - if(ret != 0 && errno != EINPROGRESS){ - ShowWarning("network_connect(%c, '%s', %u...): connection failed (errno: %u / %s)\n", (v6==true?'t':'f'), addr, port, errno, strerror(errno)); - - // Cleanup session .. - s->type = NST_FREE; - s->onConnect = NULL; - s->onDisconnect = NULL; - s->onSend = NULL; - - // .. remove from evdp and close fd. - evdp_remove(fd, &s->evdp_data); - close(fd); - return -1; - } - - - // ! The Info Message :~D - ShowStatus("network_connect fd#%u (%s:%u) in progress.. \n", fd, addr, port); - -return fd; -}//end: network_connect() - - -static bool _onSend(int32 fd){ - register SESSION *s = &g_Session[fd]; - register netbuf buf, buf_next; - register uint32 szNeeded; - register int wLen; - - if(s->type == NST_FREE) - return true; // Possible due to multipl non coalsced event notifications - // so onSend gets called after disconnect caused by an previous vent. - // we can ignore the call to onSend, then. - - buf = s->write.buf; - while(1){ - if(buf == NULL) - break; - - buf_next = buf->next; - - - szNeeded = (buf->dataLen - s->write.dataPos); // using th session-local .dataPos member, due to shared write buffer support. - - // try to write. - wLen = write(fd, &buf->buf[s->write.dataPos], szNeeded); - if(wLen == 0){ - return false; // eof. - }else if(wLen == -1){ - if(errno == EAGAIN || errno == EWOULDBLOCK) - return true; // dont disconnect / try again later. - - // all other errors. . - return false; - } - - // Wrote data.. => - szNeeded -= wLen; - if(szNeeded > 0){ - // still data left .. - // - s->write.dataPos += wLen; // fix offset. - return true; - }else{ - // this buffer has been written successfully - // could be returned to pool. - netbuffer_put(buf); - s->write.n_outstanding--; // When threadsafe -> Interlocked here. - s->write.dataPos = 0; - } - - - buf = buf_next; - } - - // okay, - // reaching this part means: - // while interrupted by break - - // which means all buffers are written, nothing left - // - - s->write.buf_last = NULL; - s->write.buf = NULL; - s->write.n_outstanding = 0; - s->write.dataPos = 0; - - // Remove from event dispatcher (write notification) - // - evdp_writable_remove(fd, &s->evdp_data); - - return true; -}//end: _onSend() - - -static bool _onRORecv(int32 fd){ - register SESSION *s = &g_Session[fd]; - register uint32 szNeeded; - register char *p; - register int rLen; - - if(s->type == NST_FREE) - return true; // Possible due to multiple non coalesced events by evdp. - // simply ignore this call returning positive result. - - // Initialize p and szNeeded depending on change - // - switch(s->read.state){ - case NRS_WAITOP: - szNeeded = s->read.head_left; - p = ((char*)&s->read.head[0]) + (2-szNeeded); - break; - - case NRS_WAITLEN: - szNeeded = s->read.head_left; - p = ((char*)&s->read.head[1]) + (2-szNeeded); - break; - - case NRS_WAITDATA:{ - register netbuf buf = s->read.buf; - - szNeeded = (buf->dataLen - buf->dataPos); - p = (char*)&buf->buf[ buf->dataPos ]; - } - break; - - default: - // .. the impossible gets possible .. - ShowError("_onRORecv: fd #%u has unknown read.state (%d) - disconnecting\n", fd, s->read.state); - return false; - break; - } - - - // - - rLen = read(fd, p, szNeeded); - if(rLen == 0){ - // eof.. - return false; - }else if(rLen == -1){ - - if(errno == EAGAIN || errno == EWOULDBLOCK){ - // try again later .. (this case shouldnt happen, because we're event trigered.. but .. sometimes it happens :) - return true; - } - - // an additional interesting case would be - // EINTR, this 'could' be handled .. but: - // posix says that its possible that data gets currupted during irq - // or data gor read and not reported.., so we'd have a data loss.. - // (which shouldnt happen with stream based protocols such as tcp) - // its better to disonnect the client in that case. - - return false; - } - - // - // Got Data: - // next action also depends on current state .. - // - szNeeded -= rLen; - switch(s->read.state){ - case NRS_WAITOP: - - if(szNeeded > 0){ - // still data missing .. - s->read.head_left = szNeeded; - return true; // wait for completion. - }else{ - // complete .. - // next state depends on packet type. - - s->read.head[1] = ((uint16*)s->netparser_data)[ s->read.head[0] ]; // store lenght of packet by opcode head[0] to head[1] - - if(s->read.head[1] == ROPACKET_UNKNOWN){ - // unknown packet - disconnect - ShowWarning("_onRORecv: fd #%u got unlnown packet 0x%04x - disconnecting.\n", fd, s->read.head[0]); - return false; - } - else if(s->read.head[1] == ROPACKET_DYNLEN){ - // dynamic length - // next state: requrie len. - s->read.state = NRS_WAITLEN; - s->read.head_left = 2; - return true; // - } - else if(s->read.head[1] == 2){ - // packet has no data (only opcode) - register netbuf buf = netbuffer_get(2); // :D whoohoo its giant! - - NBUFW(buf, 0) = s->read.head[0]; // store opcode @ packet begin. - buf->dataPos = 2; - buf->dataLen = 2; - buf->next = NULL; - - // Back to initial state -> Need opcode. - s->read.state = NRS_WAITOP; - s->read.head_left = 2; - s->read.buf = NULL; - - // Call completion routine here. - s->onPacketComplete(fd, s->read.head[0], 2, buf); - - return true; // done :) - } - else{ - // paket needs .. data .. - register netbuf buf = netbuffer_get( s->read.head[1] ); - - NBUFW(buf, 0) = s->read.head[0]; // store opcode @ packet begin. - buf->dataPos = 2; - buf->dataLen = s->read.head[1]; - buf->next = NULL; - - // attach buffer. - s->read.buf = buf; - - // set state: - s->read.state = NRS_WAITDATA; - - return true; - } - - }//endif: szNeeded > 0 (opcode read completed?) - - break; - - - case NRS_WAITLEN: - - if(szNeeded > 0){ - // incomplete .. - s->read.head_left = szNeeded; - return true; - }else{ - - if(s->read.head[1] == 4){ - // packet has no data (only opcode + length) - register netbuf buf = netbuffer_get( 4 ); - - NBUFL(buf, 0) = *((uint32*)&s->read.head[0]); // copy Opcode + length to netbuffer using MOVL - buf->dataPos = 4; - buf->dataLen = 4; - buf->next = NULL; - - // set initial state (need opcode) - s->read.state = NRS_WAITOP; - s->read.head_left = 2; - s->read.buf = NULL; - - // call completion routine. - s->onPacketComplete(fd, s->read.head[0], 4, buf); - - return true; - } - else if(s->read.head[1] < 4){ - // invalid header. - ShowWarning("_onRORecv: fd #%u invalid header - got packet 0x%04x, reported length < 4 - INVALID - disconnecting\n", fd, s->read.head[0]); - return false; - } - else{ - // Data needed - // next state -> waitdata! - register netbuf buf = netbuffer_get( s->read.head[1] ); - - NBUFL(buf, 0) = *((uint32*)&s->read.head[0]); // copy Opcode + length to netbuffer using MOVL - buf->dataPos = 4; - buf->dataLen = s->read.head[1]; - buf->next = NULL; - - // attach to session: - s->read.buf = buf; - s->read.state = NRS_WAITDATA; - - return true; - } - - }//endif: szNeeded > 0 (length read complete?) - - break; - - - case NRS_WAITDATA: - - if(szNeeded == 0){ - // Packet finished! - // compltion. - register netbuf buf = s->read.buf; - - // set initial state. - s->read.state = NRS_WAITOP; - s->read.head_left = 2; - s->read.buf = NULL; - - // Call completion routine. - s->onPacketComplete(fd, NBUFW(buf, 0), buf->dataLen, buf); - - return true; - }else{ - // still data needed - s->read.buf->dataPos += rLen; - - return true; - } - break; - - - // - default: - ShowError("_onRORecv: fd #%u has unknown read.state (%d) [2] - disconnecting\n", fd, s->read.state); - return false; - break; - } - - - return false; -}//end: _onRORecv() - - -void network_send(int32 fd, netbuf buf){ - register SESSION *s = &g_Session[fd]; - -#ifdef PARANOID_CHECKS - if(fd >= MAXCONN){ - ShowError("network_send: tried to attach buffer to connection idientifer #%u which is out of bounds.\n", fd); - _network_free_netbuf_async(buf); - return; - } -#endif - - - if(s->type == NST_FREE) - return; - - // Check Max Outstanding buffers limit. - if( (s->write.max_outstanding > 0) && - (s->write.n_outstanding >= s->write.max_outstanding) ){ - - ShowWarning("network_send: fd #%u max Outstanding buffers exceeded. - disconnecting.\n", fd); - network_disconnect(fd); - // - _network_free_netbuf_async(buf); - return; - } - - - // Attach to the end: - buf->next = NULL; - if(s->write.buf_last != NULL){ - s->write.buf_last->next = buf; - s->write.buf_last = buf; - - }else{ - // currently no buffer attached. - s->write.buf = s->write.buf_last = buf; - - // register @ evdp for writable notification. - evdp_writable_add(fd, &s->evdp_data); // - } - - - // - s->write.n_outstanding++; - -}//end: network_send() - - -void network_parser_set_ro(int32 fd, - int16 *packetlentable, - void (*onPacketCompleteProc)(int32 fd, uint16 op, uint16 len, netbuf buf) - ){ - register SESSION *s = &g_Session[fd]; - register netbuf b, nb; // used for potential free attached buffers. - - if(s->type == NST_FREE) - return; - - s->onPacketComplete = onPacketCompleteProc; - - s->onRecv = _onRORecv; // .. - s->onSend = _onSend; // Using the normal generic netbuf based send function. - - s->netparser_data = packetlentable; - - // Initial State -> Need Packet OPCode. - s->read.state = NRS_WAITOP; - s->read.head_left = 2; - - - // Detach (if..) all buffers. - if(s->read.buf != NULL){ - _network_free_netbuf_async(s->read.buf); // - s->read.buf = NULL; - } - - if(s->write.buf != NULL){ - b = s->write.buf; - while(1){ - nb = b->next; - - _network_free_netbuf_async(b); - - b = nb; - } - - s->write.buf = NULL; - s->write.buf_last = NULL; - s->write.n_outstanding = 0; - } - - // not changing any limits on outstanding .. - // - -}//end: network_parser_set_ro() diff --git a/src/common/network.h b/src/common/network.h deleted file mode 100644 index d7b463a2f..000000000 --- a/src/common/network.h +++ /dev/null @@ -1,189 +0,0 @@ -#ifndef _rA_NETWORK_H_ -#define _rA_NETWORK_H_ - -#include <netinet/in.h> -#include "../common/cbasetypes.h" -#include "../common/netbuffer.h" -#include "../common/evdp.h" - -#ifndef MAXCONN -#define MAXCONN 16384 -#endif - - -typedef struct SESSION{ - EVDP_DATA evdp_data; // Must be always the frist member! (some evdp's may rely on this fact) - - // Connection Type - enum{ NST_FREE=0, NST_LISTENER = 1, NST_CLIENT=2, NST_OUTGOING=3} type; - - // Flags / Settings. - bool v6; // is v6? - bool disconnect_in_progress; // To prevent stack overflows / recursive calls. - - - union{ // union to save memory. - struct sockaddr_in v4; - struct sockaddr_in6 v6; - }addr; - - - // "lowlevel" Handlers - // (Implemented by the protocol specific parser) - // - bool (*onRecv)(int32 fd); // return false = disconnect - bool (*onSend)(int32 fd); // return false = disconnect - - // Event Handlers for LISTENER type sockets - // - // onConnect gets Called when a connection has been - // successfully accepted. - // Session entry is available in this Handler! - // A returncode of false will reejct the connection (disconnect) - // Note: When rejecting a connection in onConnect by returning false - // The onDisconnect handler wont get called! - // Note: the onConnect Handler is also responsible for setting - // the appropriate netparser (which implements onRecv/onSend..) [protocol specific] - // - // onDisconnect gets called when a connection gets disconnected - // (by peer as well as by core) - // - bool (*onConnect)(int32 fd); // return false = disconnect (wont accept) - void (*onDisconnect)(int32 fd); - - - // - // Parser specific data - // - void *netparser_data; // incase of RO Packet Parser, pointer to packet len table (uint16array) - void (*onPacketComplete)(int32 fd, uint16 op, uint16 len, netbuf buf); - - - // - // Buffers - // - struct{ - enum NETREADSTATE { NRS_WAITOP = 0, NRS_WAITLEN = 1, NRS_WAITDATA = 2} state; - - uint32 head_left; - uint16 head[2]; - - netbuf buf; - } read; - - struct{ - uint32 max_outstanding; - uint32 n_outstanding; - - uint32 dataPos; - - netbuf buf, buf_last; - } write; - - // Application Level data Pointer - // (required for backward compatibility with previous athena socket system.) - void *data; - -} SESSION; - - -/** - * Subsystem Initialization / Finalization. - * - */ -void network_init(); -void network_final(); - - -/** - * Will do the net work :) .. - */ -void network_do(); - - -/** - * Adds a new listner. - * - * @param v6 v6 listner? - * @param *addr the address to listen on. - * @param port port to listen on - * - * @return -1 on error otherwise the identifier of the new listener. - */ -int32 network_addlistener(bool v6, const char *addr, uint16 port); - - -/** - * Tries to establish an outgoing connection. - * - * @param v6 operate with IPv6 addresses? - * @param addr the address to connect to - * @param port the port to connect to - * @param from_addr the address to connect from (local source / optional if auto -> NULL) - * @param from_port the port to connect from (local source / optional if auto -> 0) - * @param onConnectionEstablishedHandler callback that gets called when the connection is established. - * @param onConnectionLooseHandler callback that gets called when the connection gets disconnected (or the connection couldnt be established) - * - * @return -1 on error otherwise the identifier of the new connection - */ -int32 network_connect(bool v6, - const char *addr, - uint16 port, - const char *from_addr, - uint16 from_port, - bool (*onConnectionEstablishedHandler)(int32 fd), - void (*onConnectionLooseHandler)(int32 fd) -); - - - -/** - * Disconnects the given connection - * - * @param fd connection identifier. - * - * @Note: - * - onDisconnect callback gets called! - * - cleares (returns) all assigned buffers - * - */ -void network_disconnect(int32 fd); - - -/** - * Attach's a netbuffer at the end of sending queue to the given connection - * - * @param fd connection identifier - * @param buf netbuffer to attach. - */ -void network_send(int32 fd, netbuf buf); - - -/** - * Sets the parser to RO Protocol like Packet Parser. - * - * @param fd connection identifier - * @param *packetlentable pointer to array of uint16 in size of UINT16_MAX, - * @param onComplteProc callback for packet completion. - * - * @note: - * PacketLen Table Fromat: - * each element's offsets represents th ro opcode. - * value is length. - * a length of 0 means the packet is dynamic. - * a length of UINT16_MAX means the packet is unknown. - * - * Static Packets must contain their hader in len so (0x64 == 55 ..) - * - */ -void network_parser_set_ro(int32 fd, - int16 *packetlentable, - void (*onPacketCompleteProc)(int32 fd, uint16 op, uint16 len, netbuf buf) - ); -#define ROPACKET_UNKNOWN UINT16_MAX -#define ROPACKET_DYNLEN 0 - - - - -#endif diff --git a/src/common/raconf.c b/src/common/raconf.c deleted file mode 100644 index abeed444b..000000000 --- a/src/common/raconf.c +++ /dev/null @@ -1,583 +0,0 @@ -// -// Athena style config parser -// (would be better to have "one" implementation instead of .. 4 :) -// -// -// 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 <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "../common/cbasetypes.h" -#include "../common/showmsg.h" -#include "../common/db.h" -#include "../common/malloc.h" - -#include "../common/raconf.h" - -#define SECTION_LEN 32 -#define VARNAME_LEN 64 - -struct raconf { - DBMap *db; -}; - - -struct conf_value{ - int64 intval; - bool bval; - double floatval; - size_t strval_len; // not includung \0 - char strval[16]; -}; - - - -static struct conf_value *makeValue(const char *key, char *val, size_t val_len){ - struct conf_value *v; -/* size_t sz; - - sz = sizeof(struct conf_value); - if(val_len >= sizeof(v->strval)) - sz += (val_len - sizeof(v->strval) + 1);*/ - - v = (struct conf_value*)aCalloc(1, sizeof(struct conf_value)); - if(v == NULL){ - ShowFatalError("raconf: makeValue => Out of Memory while allocating new node.\n"); - return NULL; - } - - memcpy(v->strval, val, val_len); - v->strval[val_len+1] = '\0'; - v->strval_len = val_len; - - - // Parse boolean value: - if((val_len == 4) && (strncmpi("true", val, 4) == 0)) - v->bval = true; - else if((val_len == 3) && (strncmpi("yes", val, 3) == 0)) - v->bval = true; - else if((val_len == 3) && (strncmpi("oui", val, 3) == 0)) - v->bval = true; - else if((val_len == 2) && (strncmpi("si", val, 2) == 0)) - v->bval = true; - else if((val_len == 2) && (strncmpi("ja", val, 2) == 0)) - v->bval = true; - else if((val_len == 1) && (*val == '1')) - v->bval = true; - else if((val_len == 5) && (strncmpi("false", val, 5) == 0)) - v->bval = false; - else if((val_len == 2) && (strncmpi("no", val, 2) == 0)) - v->bval = false; - else if((val_len == 3) && (strncmpi("non", val, 3) == 0)) - v->bval = false; - else if((val_len == 2) && (strncmpi("no", val, 2) == 0)) - v->bval = false; - else if((val_len == 4) && (strncmpi("nein", val, 4) == 0)) - v->bval = false; - else if((val_len == 1) && (*val == '0')) - v->bval = false; - else - v->bval = false; // assume false. - - // Parse number - // Supported formats: - // prefix: 0x hex . - // postix: h for hex - // b for bin (dual) - if( (val_len >= 1 && (val[val_len] == 'h')) || (val_len >= 2 && (val[0] == '0' && val[1] == 'x')) ){//HEX! - if(val[val_len] == 'h'){ - val[val_len]= '\0'; - v->intval = strtoull(val, NULL, 16); - val[val_len] = 'h'; - }else - v->intval = strtoull(&val[2], NULL, 16); - }else if( val_len >= 1 && (val[val_len] == 'b') ){ //BIN - val[val_len] = '\0'; - v->intval = strtoull(val, NULL, 2); - val[val_len] = 'b'; - }else if( *val >='0' && *val <= '9'){ // begins with normal digit, so assume its dec. - // is it float? - bool is_float = false; - char *p; - - for(p = val; *p != '\0'; p++){ - if(*p == '.'){ - v->floatval = strtod(val, NULL); - v->intval = (int64) v->floatval; - is_float = true; - break; - } - } - - if(is_float == false){ - v->intval = strtoull(val, NULL, 10); - v->floatval = (double) v->intval; - } - }else{ - // Everything else: lets use boolean for fallback - if(v->bval == true) - v->intval = 1; - else - v->intval = 0; - } - - return v; -}//end: makeValue() - - -static bool configParse(raconf inst, const char *fileName){ - FILE *fp; - char line[4096]; - char currentSection[SECTION_LEN]; - char *p; - char c; - int linecnt; - size_t linelen; - size_t currentSection_len; - - fp = fopen(fileName, "r"); - if(fp == NULL){ - ShowError("configParse: cannot open '%s' for reading.\n", fileName); - return false; - } - - - // Start with empty section: - currentSection[0] = '\0'; - currentSection_len = 0; - - // - linecnt = 0; - while(1){ - linecnt++; - - if(fgets(line, sizeof(line), fp) != line) - break; - - linelen = strlen(line); - p = line; - - // Skip whitespaces from beginning (space and tab) - _line_begin_skip_whities: - c = *p; - if(c == ' ' || c == '\t'){ - p++; - linelen--; - goto _line_begin_skip_whities; - } - - // Remove linebreaks as (cr or lf) and whitespaces from line end! - _line_end_skip_whities_and_breaks: - c = p[linelen-1]; - if(c == '\r' || c == '\n' || c == ' ' || c == '\t'){ - p[--linelen] = '\0'; - goto _line_end_skip_whities_and_breaks; - } - - // Empty line? - // or line starts with comment (commented out)? - if(linelen == 0 || (p[0] == '/' && p[1] == '/') || p[0] == ';') - continue; - - // Variable names can contain: - // A-Za-z-_.0-9 - // - // Sections start with [ .. ] (INI Style) - // - c = *p; - - // check what we have.. :) - if(c == '['){ // got section! - // Got Section! - // Search for ] - char *start = (p+1); - - while(1){ - ++p; - c = *p; - - if(c == '\0'){ - ShowError("Syntax Error: unterminated Section name in %s:%u (expected ']')\n", fileName, linecnt); - fclose(fp); - return false; - }else if(c == ']'){ // closing backet (section name termination) - if( (p - start + 1) > (sizeof(currentSection) ) ){ - ShowError("Syntax Error: Section name in %s:%u is too large (max Supported length: %u chars)\n", fileName, linecnt, sizeof(currentSection)-1); - fclose(fp); - return false; - } - - // Set section! - *p = '\0'; // add termination here. - memcpy(currentSection, start, (p-start)+1 ); // we'll copy \0, too! (we replaced the ] backet with \0.) - currentSection_len = (p-start); - - break; - - }else if( (c >= '0' && c <= '9') || (c == '-') || (c == ' ') || (c == '_') || (c == '.') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ){ - // skip .. (allowed char / specifier) - continue; - }else{ - ShowError("Syntax Error: Invalid Character '%c' in %s:%u (offset %u) for Section name.\n", c, fileName, linecnt, (p-line)); - fclose(fp); - return false; - } - - }//endwhile: parse section name - - - }else if( (c >= '0' && c <= '9') || (c == '-') || (c == '_') || (c == '.') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ){ - // Got variable! - // Search for '=' or ':' wich termiantes the name - char *start = p; - char *valuestart = NULL; - size_t start_len; - - while(1){ - ++p; - c = *p; - - if(c == '\0'){ - ShowError("Syntax Error: unterminated Variable name in %s:%u\n", fileName, linecnt); - fclose(fp); - return false; - }else if( (c == '=') || (c == ':') ){ - // got name termination - - *p = '\0'; // Terminate it so (start) will hold the pointer to the name. - - break; - - }else if( (c >= '0' && c <= '9') || (c == '-') || (c == '_') || (c == '.') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ){ - // skip .. allowed char - continue; - }else{ - ShowError("Syntax Error: Invalid Character '%c' in %s:%u (offset %u) for Variable name.\n", c, fileName, linecnt, (p-line)); - fclose(fp); - return false; - } - - }//endwhile: parse var name - - start_len = (p-start); - if(start_len >= VARNAME_LEN){ - ShowError("%s:%u Variable length exceeds limit of %u Characters.\n", fileName, linecnt, VARNAME_LEN-1); - fclose(fp); - return false; - }else if(start_len == 0){ - ShowError("%s:%u Empty Variable name is not allowed.\n", fileName, linecnt); - fclose(fp); - return false; - } - - - valuestart = (p+1); - - - // Skip whitespace from begin of value (tab and space) - _skip_value_begin_whities: - c = *valuestart; - if(c == ' ' || c == '\t'){ - valuestart++; - goto _skip_value_begin_whities; - } - - // Scan for value termination, - // wich can be \0 or comment start (// or ; (INI) ) - // - p = valuestart; - while(1){ - c = *p; - if(c == '\0'){ - // Terminated by line end. - break; - }else if(c == '/' && p[1] == '/'){ - // terminated by c++ style comment. - *p = '\0'; - break; - }else if(c == ';'){ - // terminated by ini style comment. - *p = '\0'; - break; - } - - p++; - }//endwhile: search var value end. - - - // Strip whitespaces from end of value. - if(valuestart != p){ // not empty! - p--; - _strip_value_end_whities: - c = *p; - if(c == ' ' || c == '\t'){ - *p = '\0'; - p--; - goto _strip_value_end_whities; - } - p++; - } - - - // Buildin Hook: - if( stricmp(start, "import") == 0){ - if( configParse(inst, valuestart) != true){ - ShowError("%s:%u - Import of '%s' failed!\n", fileName, linecnt, valuestart); - } - }else{ - // put it to db. - struct conf_value *v, *o; - char key[ (SECTION_LEN+VARNAME_LEN+1+1) ]; //+1 for delimiter, +1 for termination. - size_t section_len; - - if(*currentSection == '\0'){ // empty / none - strncpy(key, "<unnamed>",9); - section_len = 9; - }else{ - strncpy(key, currentSection, currentSection_len); - section_len = currentSection_len; - } - - key[section_len] = '.'; // Delim - - strncpy(&key[section_len+1], start, start_len); - - key[section_len + start_len + 1] = '\0'; - - - v = makeValue(key, valuestart, (p-valuestart) ); - - // Try to get the old one before - o = strdb_get(inst->db, key); - if(o != NULL){ - strdb_remove(inst->db, key); - aFree(o); // - } - - strdb_put( inst->db, key, v); - } - - - }else{ - ShowError("Syntax Error: unexpected Character '%c' in %s:%u (offset %u)\n", c, fileName, linecnt, (p-line) ); - fclose(fp); - return false; - } - - - - } - - - - fclose(fp); - return true; -}//end: configParse() - - -#define MAKEKEY(dest, section, key) do { \ - size_t section_len_, key_len_; \ - if((section) == NULL || *(section) == '\0'){ \ - strncpy((dest), "<unnamed>", 9); \ - section_len_ = 9; \ - } else { \ - section_len_ = strlen(section); \ - strncpy((dest), (section), section_len_); \ - } \ - (dest)[section_len_] = '.'; \ - key_len_ = strlen(key); \ - strncpy(&(dest)[section_len_+1], (key), key_len_); \ - (dest)[section_len_ + key_len_ + 1] = '\0'; \ -} while(0) - - -raconf raconf_parse(const char *file_name){ - struct raconf *rc; - - rc = aCalloc(1, sizeof(struct raconf) ); - if(rc == NULL){ - ShowFatalError("raconf_parse: failed to allocate memory for new handle\n"); - return NULL; - } - - rc->db = strdb_alloc(DB_OPT_BASE | DB_OPT_DUP_KEY, 98); - // - - if(configParse(rc, file_name) != true){ - ShowError("Failed to Parse Configuration file '%s'\n", file_name); - } - - return rc; -}//end: raconf_parse() - - -void raconf_destroy(raconf rc){ - DBIterator *iter; - struct conf_value *v; - - // Clear all entrys in db. - iter = db_iterator(rc->db); - for( v = (struct conf_value*)dbi_first(iter); dbi_exists(iter); v = (struct conf_value*)dbi_next(iter) ){ - aFree(v); - } - dbi_destroy(iter); - - db_destroy(rc->db); - - aFree(rc); - -}//end: raconf_destroy() - -bool raconf_getbool(raconf rc, const char *section, const char *key, bool _default){ - char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1]; - struct conf_value *v; - - MAKEKEY(keystr, section, key); - - v = strdb_get(rc->db, keystr); - if(v == NULL) - return _default; - else - return v->bval; -}//end: raconf_getbool() - - -float raconf_getfloat(raconf rc,const char *section, const char *key, float _default){ - char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1]; - struct conf_value *v; - - MAKEKEY(keystr, section, key); - - v = strdb_get(rc->db, keystr); - if(v == NULL) - return _default; - else - return (float)v->floatval; -}//end: raconf_getfloat() - - -int64 raconf_getint(raconf rc, const char *section, const char *key, int64 _default){ - char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1]; - struct conf_value *v; - - MAKEKEY(keystr, section, key); - - v = strdb_get(rc->db, keystr); - if(v == NULL) - return _default; - else - return v->intval; - -}//end: raconf_getint() - - -const char* raconf_getstr(raconf rc, const char *section, const char *key, const char *_default){ - char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1]; - struct conf_value *v; - - MAKEKEY(keystr, section, key); - - v = strdb_get(rc->db, keystr); - if(v == NULL) - return _default; - else - return v->strval; -}//end: raconf_getstr() - - -bool raconf_getboolEx(raconf rc, const char *section, const char *fallback_section, const char *key, bool _default){ - char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1]; - struct conf_value *v; - - MAKEKEY(keystr, section, key); - v = strdb_get(rc->db, keystr); - if(v == NULL){ - - MAKEKEY(keystr, fallback_section, key); - v = strdb_get(rc->db, keystr); - if(v == NULL){ - return _default; - }else{ - return v->bval; - } - - }else{ - return v->bval; - } -}//end: raconf_getboolEx() - - -float raconf_getfloatEx(raconf rc,const char *section, const char *fallback_section, const char *key, float _default){ - char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1]; - struct conf_value *v; - - MAKEKEY(keystr, section, key); - v = strdb_get(rc->db, keystr); - if(v == NULL){ - - MAKEKEY(keystr, fallback_section, key); - v = strdb_get(rc->db, keystr); - if(v == NULL){ - return _default; - }else{ - return (float)v->floatval; - } - - }else{ - return (float)v->floatval; - } - -}//end: raconf_getfloatEx() - - -int64 raconf_getintEx(raconf rc, const char *section, const char *fallback_section, const char *key, int64 _default){ - char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1]; - struct conf_value *v; - - MAKEKEY(keystr, section, key); - v = strdb_get(rc->db, keystr); - if(v == NULL){ - - MAKEKEY(keystr, fallback_section, key); - v = strdb_get(rc->db, keystr); - if(v == NULL){ - return _default; - }else{ - return v->intval; - } - - }else{ - return v->intval; - } - -}//end: raconf_getintEx() - - -const char* raconf_getstrEx(raconf rc, const char *section, const char *fallback_section, const char *key, const char *_default){ - char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1]; - struct conf_value *v; - - MAKEKEY(keystr, section, key); - v = strdb_get(rc->db, keystr); - if(v == NULL){ - - MAKEKEY(keystr, fallback_section, key); - v = strdb_get(rc->db, keystr); - if(v == NULL){ - return _default; - }else{ - return v->strval; - } - - }else{ - return v->strval; - } - -}//end: raconf_getstrEx() diff --git a/src/common/raconf.h b/src/common/raconf.h deleted file mode 100644 index 68a2b51b2..000000000 --- a/src/common/raconf.h +++ /dev/null @@ -1,59 +0,0 @@ -// Copyright (c) rAthena Project (www.rathena.org) - Licensed under GNU GPL -// For more information, see LICENCE in the main folder - -#ifndef _rA_CONF_H_ -#define _rA_CONF_H_ - -#include "../common/cbasetypes.h" - -// rAthena generic configuration file parser -// -// Config file Syntax is athena style -// extended with ini style support (including sections) -// -// Comments are started with // or ; (ini style) -// - -typedef struct raconf *raconf; - - -/** - * Parses a rAthna Configuration file - * - * @param file_name path to the file to parse - * - * @returns not NULL incase of success - */ -raconf raconf_parse(const char *file_name); - - -/** - * Frees a Handle received from raconf_parse - * - * @param rc - the handle to free - */ -void raconf_destroy(raconf rc); - - -/** - * Gets the value for Section / Key pair, if key not exists returns _default! - * - */ -bool raconf_getbool(raconf rc, const char *section, const char *key, bool _default); -float raconf_getfloat(raconf rc,const char *section, const char *key, float _default); -int64 raconf_getint(raconf rc, const char *section, const char *key, int64 _default); -const char* raconf_getstr(raconf rc, const char *section, const char *key, const char *_default); - -/** - * Gets the value for Section / Key pair, but has fallback section option if not found in section, - * if not found in both - default gets returned. - * - */ -bool raconf_getboolEx(raconf rc, const char *section, const char *fallback_section, const char *key, bool _default); -float raconf_getfloatEx(raconf rc,const char *section, const char *fallback_section, const char *key, float _default); -int64 raconf_getintEx(raconf rc, const char *section, const char *fallback_section, const char *key, int64 _default); -const char* raconf_getstrEx(raconf rc, const char *section, const char *fallback_section, const char *key, const char *_default); - - - -#endif |