212 lines
7.4 KiB
C++
212 lines
7.4 KiB
C++
extern "C" {
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(steamclient);
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}
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#include "steam_defs.h"
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#pragma push_macro("__cdecl")
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#undef __cdecl
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#include "steamworks_sdk_148a/steam_api.h"
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#include "steamworks_sdk_148a/isteamnetworkingsockets.h"
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#include "steamworks_sdk_148a/isteamnetworkingutils.h"
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#include "steamworks_sdk_148a/steamnetworkingtypes.h"
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#pragma pop_macro("__cdecl")
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#include "steamclient_private.h"
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extern "C" {
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#define SDKVER_148a
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#include "struct_converters.h"
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#include "queue.h"
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/***** manual struct converter for SteamNetworkingMessage_t *****/
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struct msg_wrapper {
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struct winSteamNetworkingMessage_t_148a win_msg;
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struct SteamNetworkingMessage_t *lin_msg;
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void (*orig_FreeData)(SteamNetworkingMessage_t *);
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SLIST_ENTRY(msg_wrapper) entry;
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};
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static SLIST_HEAD(free_msgs_head, msg_wrapper) free_msgs = SLIST_HEAD_INITIALIZER(free_msgs);
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static CRITICAL_SECTION free_msgs_lock = { NULL, -1, 0, 0, 0, 0 };
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static void __attribute__((ms_abi)) win_FreeData(struct winSteamNetworkingMessage_t_148a *win_msg)
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{
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struct msg_wrapper *msg = CONTAINING_RECORD(win_msg, struct msg_wrapper, win_msg);
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TRACE("%p\n", msg);
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if(msg->orig_FreeData)
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{
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msg->lin_msg->m_pData = msg->win_msg.m_pData;
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msg->orig_FreeData(msg->lin_msg);
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}
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}
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static void __attribute__((ms_abi)) win_Release(struct winSteamNetworkingMessage_t_148a *win_msg)
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{
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struct msg_wrapper *msg = CONTAINING_RECORD(win_msg, struct msg_wrapper, win_msg);
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TRACE("%p\n", msg);
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msg->lin_msg->m_pfnRelease(msg->lin_msg);
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msg->lin_msg = NULL;
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msg->orig_FreeData = NULL;
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EnterCriticalSection(&free_msgs_lock);
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SLIST_INSERT_HEAD(&free_msgs, msg, entry);
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LeaveCriticalSection(&free_msgs_lock);
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}
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static void lin_FreeData(struct SteamNetworkingMessage_t *lin_msg)
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{
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struct msg_wrapper *msg = (struct msg_wrapper *)lin_msg->m_pData; /* ! see assignment, below */
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TRACE("%p\n", msg);
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if(msg->win_msg.m_pfnFreeData)
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((void (__attribute__((ms_abi))*)(struct winSteamNetworkingMessage_t_148a *))msg->win_msg.m_pfnFreeData)(&msg->win_msg);
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}
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static struct msg_wrapper *clone_msg(struct SteamNetworkingMessage_t *lin_msg)
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{
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struct msg_wrapper *msg;
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EnterCriticalSection(&free_msgs_lock);
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msg = SLIST_FIRST(&free_msgs);
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if(!msg){
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int n;
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/* allocs can be pricey, so alloc in blocks */
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#define MSGS_PER_BLOCK 16
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struct msg_wrapper *msgs = (struct msg_wrapper *)HeapAlloc(GetProcessHeap(), 0, sizeof(struct msg_wrapper) * MSGS_PER_BLOCK);
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for(n = 1; n < MSGS_PER_BLOCK; ++n)
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SLIST_INSERT_HEAD(&free_msgs, &msgs[n], entry);
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msg = &msgs[0];
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}else
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SLIST_REMOVE_HEAD(&free_msgs, entry);
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LeaveCriticalSection(&free_msgs_lock);
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msg->lin_msg = lin_msg;
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msg->win_msg.m_pData = msg->lin_msg->m_pData;
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msg->win_msg.m_cbSize = msg->lin_msg->m_cbSize;
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msg->win_msg.m_conn = msg->lin_msg->m_conn;
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msg->win_msg.m_identityPeer = msg->lin_msg->m_identityPeer;
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msg->win_msg.m_nConnUserData = msg->lin_msg->m_nConnUserData;
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msg->win_msg.m_usecTimeReceived= msg->lin_msg->m_usecTimeReceived;
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msg->win_msg.m_nMessageNumber = msg->lin_msg->m_nMessageNumber;
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msg->win_msg.m_pfnFreeData = (void*)win_FreeData;
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msg->win_msg.m_pfnRelease = (void*)win_Release;
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msg->win_msg.m_nChannel = msg->lin_msg->m_nChannel;
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msg->win_msg.m_nFlags = msg->lin_msg->m_nFlags;
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msg->win_msg.m_nUserData = msg->lin_msg->m_nUserData;
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msg->orig_FreeData = msg->lin_msg->m_pfnFreeData;
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msg->lin_msg->m_pfnFreeData = lin_FreeData;
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/* ! store the wrapper here and restore the original pointer from win_msg before calling orig_FreeData */
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msg->lin_msg->m_pData = msg;
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return msg;
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}
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void lin_to_win_struct_SteamNetworkingMessage_t_148a(int n_messages, struct SteamNetworkingMessage_t **l, struct winSteamNetworkingMessage_t_148a **w, int max_messages)
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{
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int i;
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if(n_messages > 0)
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TRACE("%u %p %p\n", n_messages, l, w);
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for(i = 0; i < n_messages; ++i)
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{
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struct msg_wrapper *msg;
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msg = clone_msg(l[i]);
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w[i] = &msg->win_msg;
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TRACE("done with %u, returned wrapper %p\n", i, msg);
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}
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for(; i < max_messages; ++i)
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w[i] = NULL;
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}
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int cppISteamNetworkingSockets_SteamNetworkingSockets008_ReceiveMessagesOnConnection(
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void *linux_side, HSteamNetConnection hConn,
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winSteamNetworkingMessage_t_148a **ppOutMessages, int nMaxMessages)
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{
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SteamNetworkingMessage_t *lin_ppOutMessages[nMaxMessages];
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int retval = ((ISteamNetworkingSockets*)linux_side)->ReceiveMessagesOnConnection(hConn, lin_ppOutMessages, nMaxMessages);
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lin_to_win_struct_SteamNetworkingMessage_t_148a(retval, lin_ppOutMessages, ppOutMessages, nMaxMessages);
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return retval;
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}
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int cppISteamNetworkingSockets_SteamNetworkingSockets008_ReceiveMessagesOnPollGroup(
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void *linux_side, HSteamNetPollGroup hPollGroup,
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winSteamNetworkingMessage_t_148a **ppOutMessages, int nMaxMessages)
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{
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SteamNetworkingMessage_t *lin_ppOutMessages[nMaxMessages];
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int retval = ((ISteamNetworkingSockets*)linux_side)->ReceiveMessagesOnPollGroup(hPollGroup, lin_ppOutMessages, nMaxMessages);
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lin_to_win_struct_SteamNetworkingMessage_t_148a(retval, lin_ppOutMessages, ppOutMessages, nMaxMessages);
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return retval;
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}
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void cppISteamNetworkingSockets_SteamNetworkingSockets008_SendMessages(
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void *linux_side, int nMessages, winSteamNetworkingMessage_t_148a **pMessages,
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int64 *pOutMessageNumberOrResult)
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{
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#define MAX_SEND_MESSAGES 64
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/* use the stack to avoid heap allocation */
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struct SteamNetworkingMessage_t *lin_msgs[MAX_SEND_MESSAGES];
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int i;
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if (nMessages > MAX_SEND_MESSAGES)
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{
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/* if we ever hit this, increase MAX_SEND_MESSAGES appropriately */
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FIXME("Trying to send %u messages, which is more than %u! Will break up into pieces.\n", nMessages, MAX_SEND_MESSAGES);
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}
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while(nMessages)
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{
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for(i = 0; i < nMessages && i < MAX_SEND_MESSAGES; ++i)
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{
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struct msg_wrapper *msg = CONTAINING_RECORD(pMessages[i], struct msg_wrapper, win_msg);
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lin_msgs[i] = msg->lin_msg;
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lin_msgs[i]->m_pData = msg->win_msg.m_pData;
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lin_msgs[i]->m_cbSize = msg->win_msg.m_cbSize;
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lin_msgs[i]->m_conn = msg->win_msg.m_conn;
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lin_msgs[i]->m_identityPeer = msg->win_msg.m_identityPeer;
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lin_msgs[i]->m_nConnUserData = msg->win_msg.m_nConnUserData;
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lin_msgs[i]->m_usecTimeReceived= msg->win_msg.m_usecTimeReceived;
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lin_msgs[i]->m_nMessageNumber = msg->win_msg.m_nMessageNumber;
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lin_msgs[i]->m_nChannel = msg->win_msg.m_nChannel;
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lin_msgs[i]->m_nFlags = msg->win_msg.m_nFlags;
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lin_msgs[i]->m_nUserData = msg->win_msg.m_nUserData;
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}
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((ISteamNetworkingSockets*)linux_side)->SendMessages(i, lin_msgs, pOutMessageNumberOrResult);
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nMessages -= i;
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pMessages += i;
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if(pOutMessageNumberOrResult)
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pOutMessageNumberOrResult += i;
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}
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}
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SteamNetworkingMessage_t *cppISteamNetworkingUtils_SteamNetworkingUtils003_AllocateMessage(
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void *linux_side, int cbAllocateBuffer)
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{
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struct msg_wrapper *msg;
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SteamNetworkingMessage_t *retval = ((ISteamNetworkingUtils*)linux_side)->AllocateMessage(cbAllocateBuffer);
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msg = clone_msg(retval);
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return (SteamNetworkingMessage_t*)&msg->win_msg;
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}
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}
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