winspool: Move EnumPortsW to the backend.
This commit is contained in:
Detlef Riekenberg
Alexandre Julliard
parent
51f078bd4a
commit
857e942992
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@ -297,6 +297,27 @@ static void monitor_unload(monitor_t * pm)
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LeaveCriticalSection(&monitor_handles_cs);
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LeaveCriticalSection(&monitor_handles_cs);
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}
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}
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/******************************************************************
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* monitor_unloadall [internal]
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*
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* release all printmonitors and unload them from memory, when needed
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*
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*/
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static void monitor_unloadall(void)
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{
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monitor_t * pm;
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monitor_t * next;
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EnterCriticalSection(&monitor_handles_cs);
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/* iterate through the list, with safety against removal */
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LIST_FOR_EACH_ENTRY_SAFE(pm, next, &monitor_handles, monitor_t, entry)
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{
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monitor_unload(pm);
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}
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LeaveCriticalSection(&monitor_handles_cs);
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}
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/******************************************************************
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/******************************************************************
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* monitor_load [internal]
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* monitor_load [internal]
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*
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*
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@ -456,6 +477,40 @@ cleanup:
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return pm;
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return pm;
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}
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}
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/******************************************************************
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* monitor_loadall [internal]
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*
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* Load all registered monitors
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*
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*/
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static DWORD monitor_loadall(void)
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{
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monitor_t * pm;
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DWORD registered = 0;
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DWORD loaded = 0;
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HKEY hmonitors;
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WCHAR buffer[MAX_PATH];
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DWORD id = 0;
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if (RegOpenKeyW(HKEY_LOCAL_MACHINE, monitorsW, &hmonitors) == ERROR_SUCCESS) {
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RegQueryInfoKeyW(hmonitors, NULL, NULL, NULL, ®istered, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL);
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TRACE("%d monitors registered\n", registered);
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while (id < registered) {
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buffer[0] = '\0';
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RegEnumKeyW(hmonitors, id, buffer, MAX_PATH);
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pm = monitor_load(buffer, NULL);
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if (pm) loaded++;
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id++;
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}
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RegCloseKey(hmonitors);
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}
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TRACE("%d monitors loaded\n", loaded);
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return loaded;
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}
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/******************************************************************
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/******************************************************************
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* Return the number of bytes for an multi_sz string.
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* Return the number of bytes for an multi_sz string.
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* The result includes all \0s
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* The result includes all \0s
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@ -617,6 +672,95 @@ static DWORD get_local_monitors(DWORD level, LPBYTE pMonitors, DWORD cbBuf, LPDW
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return needed;
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return needed;
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}
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}
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/******************************************************************
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* enumerate the local Ports from all loaded monitors (internal)
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*
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* returns the needed size (in bytes) for pPorts
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* and *lpreturned is set to number of entries returned in pPorts
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*
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*/
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static DWORD get_ports_from_all_monitors(DWORD level, LPBYTE pPorts, DWORD cbBuf, LPDWORD lpreturned)
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{
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monitor_t * pm;
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LPWSTR ptr;
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LPPORT_INFO_2W cache;
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LPPORT_INFO_2W out;
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LPBYTE pi_buffer = NULL;
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DWORD pi_allocated = 0;
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DWORD pi_needed;
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DWORD pi_index;
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DWORD pi_returned;
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DWORD res;
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DWORD outindex = 0;
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DWORD needed;
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DWORD numentries;
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DWORD entrysize;
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TRACE("(%d, %p, %d, %p)\n", level, pPorts, cbBuf, lpreturned);
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entrysize = (level == 1) ? sizeof(PORT_INFO_1W) : sizeof(PORT_INFO_2W);
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numentries = *lpreturned; /* this is 0, when we scan the registry */
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needed = entrysize * numentries;
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ptr = (LPWSTR) &pPorts[needed];
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numentries = 0;
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needed = 0;
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LIST_FOR_EACH_ENTRY(pm, &monitor_handles, monitor_t, entry)
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{
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if ((pm->monitor) && (pm->monitor->pfnEnumPorts)) {
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pi_needed = 0;
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pi_returned = 0;
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res = pm->monitor->pfnEnumPorts(NULL, level, pi_buffer, pi_allocated, &pi_needed, &pi_returned);
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if (!res && (GetLastError() == ERROR_INSUFFICIENT_BUFFER)) {
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/* Do not use heap_realloc (we do not need the old data in the buffer) */
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heap_free(pi_buffer);
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pi_buffer = heap_alloc(pi_needed);
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pi_allocated = (pi_buffer) ? pi_needed : 0;
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res = pm->monitor->pfnEnumPorts(NULL, level, pi_buffer, pi_allocated, &pi_needed, &pi_returned);
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}
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TRACE("(%s) got %d with %d (need %d byte for %d entries)\n",
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debugstr_w(pm->name), res, GetLastError(), pi_needed, pi_returned);
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numentries += pi_returned;
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needed += pi_needed;
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/* fill the output-buffer (pPorts), if we have one */
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if (pPorts && (cbBuf >= needed ) && pi_buffer) {
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pi_index = 0;
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while (pi_returned > pi_index) {
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cache = (LPPORT_INFO_2W) &pi_buffer[pi_index * entrysize];
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out = (LPPORT_INFO_2W) &pPorts[outindex * entrysize];
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out->pPortName = ptr;
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lstrcpyW(ptr, cache->pPortName);
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ptr += (lstrlenW(ptr)+1);
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if (level > 1) {
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out->pMonitorName = ptr;
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lstrcpyW(ptr, cache->pMonitorName);
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ptr += (lstrlenW(ptr)+1);
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out->pDescription = ptr;
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lstrcpyW(ptr, cache->pDescription);
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ptr += (lstrlenW(ptr)+1);
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out->fPortType = cache->fPortType;
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out->Reserved = cache->Reserved;
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}
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pi_index++;
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outindex++;
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}
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}
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}
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}
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/* the temporary portinfo-buffer is no longer needed */
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heap_free(pi_buffer);
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*lpreturned = numentries;
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TRACE("need %d byte for %d entries\n", needed, numentries);
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return needed;
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}
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/*****************************************************************************
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/*****************************************************************************
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* open_driver_reg [internal]
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* open_driver_reg [internal]
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*
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*
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@ -1197,6 +1341,89 @@ em_cleanup:
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return (res);
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return (res);
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}
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}
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/******************************************************************************
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* fpEnumPorts [exported through PRINTPROVIDOR]
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*
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* Enumerate available Ports
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*
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* PARAMS
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* pName [I] Servername or NULL (local Computer)
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* Level [I] Structure-Level (1 or 2)
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* pPorts [O] PTR to Buffer that receives the Result
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* cbBuf [I] Size of Buffer at pPorts
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* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pPorts
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* pcReturned [O] PTR to DWORD that receives the number of Ports in pPorts
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE and in pcbNeeded the Bytes required for pPorts, if cbBuf is too small
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*
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*/
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static BOOL WINAPI fpEnumPorts(LPWSTR pName, DWORD Level, LPBYTE pPorts, DWORD cbBuf,
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LPDWORD pcbNeeded, LPDWORD pcReturned)
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{
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DWORD needed = 0;
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DWORD numentries = 0;
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LONG lres;
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BOOL res = FALSE;
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TRACE("(%s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), Level, pPorts,
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cbBuf, pcbNeeded, pcReturned);
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lres = copy_servername_from_name(pName, NULL);
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if (lres) {
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FIXME("server %s not supported\n", debugstr_w(pName));
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SetLastError(ERROR_INVALID_NAME);
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goto emP_cleanup;
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}
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if (!Level || (Level > 2)) {
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SetLastError(ERROR_INVALID_LEVEL);
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goto emP_cleanup;
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}
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if (!pcbNeeded || (!pPorts && (cbBuf > 0))) {
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SetLastError(RPC_X_NULL_REF_POINTER);
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goto emP_cleanup;
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}
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EnterCriticalSection(&monitor_handles_cs);
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monitor_loadall();
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/* Scan all local Ports */
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numentries = 0;
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needed = get_ports_from_all_monitors(Level, NULL, 0, &numentries);
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/* we calculated the needed buffersize. now do the error-checks */
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if (cbBuf < needed) {
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monitor_unloadall();
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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goto emP_cleanup_cs;
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}
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else if (!pPorts || !pcReturned) {
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monitor_unloadall();
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SetLastError(RPC_X_NULL_REF_POINTER);
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goto emP_cleanup_cs;
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}
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/* Fill the Buffer */
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needed = get_ports_from_all_monitors(Level, pPorts, cbBuf, &numentries);
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res = TRUE;
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monitor_unloadall();
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emP_cleanup_cs:
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LeaveCriticalSection(&monitor_handles_cs);
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emP_cleanup:
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if (pcbNeeded) *pcbNeeded = needed;
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if (pcReturned) *pcReturned = (res) ? numentries : 0;
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TRACE("returning %d with %d (%d byte for %d of %d entries)\n",
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(res), GetLastError(), needed, (res) ? numentries : 0, numentries);
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return (res);
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}
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/*****************************************************
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/*****************************************************
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* setup_provider [internal]
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* setup_provider [internal]
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*/
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*/
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@ -1241,7 +1468,7 @@ void setup_provider(void)
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NULL, /* fpSetForm */
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NULL, /* fpSetForm */
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NULL, /* fpEnumForms */
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NULL, /* fpEnumForms */
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fpEnumMonitors,
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fpEnumMonitors,
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NULL, /* fpEnumPorts */
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fpEnumPorts,
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NULL, /* fpAddPort */
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NULL, /* fpAddPort */
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NULL, /* fpConfigurePort */
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NULL, /* fpConfigurePort */
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NULL, /* fpDeletePort */
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NULL, /* fpDeletePort */
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@ -6,7 +6,7 @@
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* Copyright 1999 Klaas van Gend
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* Copyright 1999 Klaas van Gend
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* Copyright 1999, 2000 Huw D M Davies
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* Copyright 1999, 2000 Huw D M Davies
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* Copyright 2001 Marcus Meissner
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* Copyright 2001 Marcus Meissner
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* Copyright 2005-2008 Detlef Riekenberg
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* Copyright 2005-2009 Detlef Riekenberg
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*
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*
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* This library is free software; you can redistribute it and/or
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* modify it under the terms of the GNU Lesser General Public
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@ -789,26 +789,6 @@ static void monitor_unload(monitor_t * pm)
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LeaveCriticalSection(&monitor_handles_cs);
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LeaveCriticalSection(&monitor_handles_cs);
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}
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}
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/******************************************************************
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* monitor_unloadall [internal]
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*
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* release all printmonitors and unload them from memory, when needed
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*/
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static void monitor_unloadall(void)
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{
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monitor_t * pm;
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monitor_t * next;
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EnterCriticalSection(&monitor_handles_cs);
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/* iterate through the list, with safety against removal */
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LIST_FOR_EACH_ENTRY_SAFE(pm, next, &monitor_handles, monitor_t, entry)
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{
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monitor_unload(pm);
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}
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LeaveCriticalSection(&monitor_handles_cs);
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}
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/******************************************************************
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/******************************************************************
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* monitor_load [internal]
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* monitor_load [internal]
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*
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*
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@ -968,42 +948,6 @@ cleanup:
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return pm;
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return pm;
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}
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}
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/******************************************************************
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* monitor_loadall [internal]
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*
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* Load all registered monitors
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*
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*/
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static DWORD monitor_loadall(void)
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{
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monitor_t * pm;
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DWORD registered = 0;
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DWORD loaded = 0;
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HKEY hmonitors;
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WCHAR buffer[MAX_PATH];
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DWORD id = 0;
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if (RegOpenKeyW(HKEY_LOCAL_MACHINE, MonitorsW, &hmonitors) == ERROR_SUCCESS) {
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RegQueryInfoKeyW(hmonitors, NULL, NULL, NULL, ®istered, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL);
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TRACE("%d monitors registered\n", registered);
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EnterCriticalSection(&monitor_handles_cs);
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while (id < registered) {
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buffer[0] = '\0';
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RegEnumKeyW(hmonitors, id, buffer, MAX_PATH);
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pm = monitor_load(buffer, NULL);
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if (pm) loaded++;
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id++;
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}
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LeaveCriticalSection(&monitor_handles_cs);
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RegCloseKey(hmonitors);
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}
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TRACE("%d monitors loaded\n", loaded);
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return loaded;
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}
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/******************************************************************
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/******************************************************************
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* monitor_loadui [internal]
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* monitor_loadui [internal]
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*
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*
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@ -1106,94 +1050,6 @@ static monitor_t * monitor_load_by_port(LPCWSTR portname)
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return pm;
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return pm;
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}
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}
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/******************************************************************
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* enumerate the local Ports from all loaded monitors (internal)
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*
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* returns the needed size (in bytes) for pPorts
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* and *lpreturned is set to number of entries returned in pPorts
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*
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*/
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static DWORD get_ports_from_all_monitors(DWORD level, LPBYTE pPorts, DWORD cbBuf, LPDWORD lpreturned)
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{
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monitor_t * pm;
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LPWSTR ptr;
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LPPORT_INFO_2W cache;
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LPPORT_INFO_2W out;
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LPBYTE pi_buffer = NULL;
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DWORD pi_allocated = 0;
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DWORD pi_needed;
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DWORD pi_index;
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DWORD pi_returned;
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DWORD res;
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DWORD outindex = 0;
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DWORD needed;
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DWORD numentries;
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DWORD entrysize;
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TRACE("(%d, %p, %d, %p)\n", level, pPorts, cbBuf, lpreturned);
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entrysize = (level == 1) ? sizeof(PORT_INFO_1W) : sizeof(PORT_INFO_2W);
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numentries = *lpreturned; /* this is 0, when we scan the registry */
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needed = entrysize * numentries;
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ptr = (LPWSTR) &pPorts[needed];
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||||||
numentries = 0;
|
|
||||||
needed = 0;
|
|
||||||
|
|
||||||
LIST_FOR_EACH_ENTRY(pm, &monitor_handles, monitor_t, entry)
|
|
||||||
{
|
|
||||||
if ((pm->monitor) && (pm->monitor->pfnEnumPorts)) {
|
|
||||||
pi_needed = 0;
|
|
||||||
pi_returned = 0;
|
|
||||||
res = pm->monitor->pfnEnumPorts(NULL, level, pi_buffer, pi_allocated, &pi_needed, &pi_returned);
|
|
||||||
if (!res && (GetLastError() == ERROR_INSUFFICIENT_BUFFER)) {
|
|
||||||
/* Do not use HeapReAlloc (we do not need the old data in the buffer) */
|
|
||||||
HeapFree(GetProcessHeap(), 0, pi_buffer);
|
|
||||||
pi_buffer = HeapAlloc(GetProcessHeap(), 0, pi_needed);
|
|
||||||
pi_allocated = (pi_buffer) ? pi_needed : 0;
|
|
||||||
res = pm->monitor->pfnEnumPorts(NULL, level, pi_buffer, pi_allocated, &pi_needed, &pi_returned);
|
|
||||||
}
|
|
||||||
TRACE( "(%s) got %d with %d (need %d byte for %d entries)\n",
|
|
||||||
debugstr_w(pm->name), res, GetLastError(), pi_needed, pi_returned);
|
|
||||||
|
|
||||||
numentries += pi_returned;
|
|
||||||
needed += pi_needed;
|
|
||||||
|
|
||||||
/* fill the output-buffer (pPorts), if we have one */
|
|
||||||
if (pPorts && (cbBuf >= needed ) && pi_buffer) {
|
|
||||||
pi_index = 0;
|
|
||||||
while (pi_returned > pi_index) {
|
|
||||||
cache = (LPPORT_INFO_2W) &pi_buffer[pi_index * entrysize];
|
|
||||||
out = (LPPORT_INFO_2W) &pPorts[outindex * entrysize];
|
|
||||||
out->pPortName = ptr;
|
|
||||||
lstrcpyW(ptr, cache->pPortName);
|
|
||||||
ptr += (lstrlenW(ptr)+1);
|
|
||||||
if (level > 1) {
|
|
||||||
out->pMonitorName = ptr;
|
|
||||||
lstrcpyW(ptr, cache->pMonitorName);
|
|
||||||
ptr += (lstrlenW(ptr)+1);
|
|
||||||
|
|
||||||
out->pDescription = ptr;
|
|
||||||
lstrcpyW(ptr, cache->pDescription);
|
|
||||||
ptr += (lstrlenW(ptr)+1);
|
|
||||||
out->fPortType = cache->fPortType;
|
|
||||||
out->Reserved = cache->Reserved;
|
|
||||||
}
|
|
||||||
pi_index++;
|
|
||||||
outindex++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/* the temporary portinfo-buffer is no longer needed */
|
|
||||||
HeapFree(GetProcessHeap(), 0, pi_buffer);
|
|
||||||
|
|
||||||
*lpreturned = numentries;
|
|
||||||
TRACE("need %d byte for %d entries\n", needed, numentries);
|
|
||||||
return needed;
|
|
||||||
}
|
|
||||||
|
|
||||||
/******************************************************************
|
/******************************************************************
|
||||||
* get_servername_from_name (internal)
|
* get_servername_from_name (internal)
|
||||||
*
|
*
|
||||||
|
|
@ -5504,80 +5360,38 @@ cleanup:
|
||||||
* Enumerate available Ports
|
* Enumerate available Ports
|
||||||
*
|
*
|
||||||
* PARAMS
|
* PARAMS
|
||||||
* name [I] Servername or NULL (local Computer)
|
* pName [I] Servername or NULL (local Computer)
|
||||||
* level [I] Structure-Level (1 or 2)
|
* Level [I] Structure-Level (1 or 2)
|
||||||
* buffer [O] PTR to Buffer that receives the Result
|
* pPorts [O] PTR to Buffer that receives the Result
|
||||||
* bufsize [I] Size of Buffer at buffer
|
* cbBuf [I] Size of Buffer at pPorts
|
||||||
* bufneeded [O] PTR to DWORD that receives the size in Bytes used / required for buffer
|
* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pPorts
|
||||||
* bufreturned [O] PTR to DWORD that receives the number of Ports in buffer
|
* pcReturned [O] PTR to DWORD that receives the number of Ports in pPorts
|
||||||
*
|
*
|
||||||
* RETURNS
|
* RETURNS
|
||||||
* Success: TRUE
|
* Success: TRUE
|
||||||
* Failure: FALSE and in bufneeded the Bytes required for buffer, if bufsize is too small
|
* Failure: FALSE and in pcbNeeded the Bytes required for pPorts, if cbBuf is too small
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
|
|
||||||
BOOL WINAPI EnumPortsW(LPWSTR pName, DWORD Level, LPBYTE pPorts, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
|
BOOL WINAPI EnumPortsW(LPWSTR pName, DWORD Level, LPBYTE pPorts, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
|
||||||
{
|
{
|
||||||
DWORD needed = 0;
|
|
||||||
DWORD numentries = 0;
|
|
||||||
BOOL res = FALSE;
|
|
||||||
|
|
||||||
TRACE("(%s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), Level, pPorts,
|
TRACE("(%s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), Level, pPorts,
|
||||||
cbBuf, pcbNeeded, pcReturned);
|
cbBuf, pcbNeeded, pcReturned);
|
||||||
|
|
||||||
if (pName && (pName[0])) {
|
if ((backend == NULL) && !load_backend()) return FALSE;
|
||||||
FIXME("not implemented for Server %s\n", debugstr_w(pName));
|
|
||||||
SetLastError(ERROR_ACCESS_DENIED);
|
|
||||||
goto emP_cleanup;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Level is not checked in win9x */
|
/* Level is not checked in win9x */
|
||||||
if (!Level || (Level > 2)) {
|
if (!Level || (Level > 2)) {
|
||||||
WARN("level (%d) is ignored in win9x\n", Level);
|
WARN("level (%d) is ignored in win9x\n", Level);
|
||||||
SetLastError(ERROR_INVALID_LEVEL);
|
SetLastError(ERROR_INVALID_LEVEL);
|
||||||
goto emP_cleanup;
|
return FALSE;
|
||||||
}
|
}
|
||||||
if (!pcbNeeded) {
|
if (!pcbNeeded || (!pPorts && (cbBuf > 0))) {
|
||||||
SetLastError(RPC_X_NULL_REF_POINTER);
|
SetLastError(RPC_X_NULL_REF_POINTER);
|
||||||
goto emP_cleanup;
|
return FALSE;
|
||||||
}
|
}
|
||||||
|
|
||||||
EnterCriticalSection(&monitor_handles_cs);
|
return backend->fpEnumPorts(pName, Level, pPorts, cbBuf, pcbNeeded, pcReturned);
|
||||||
monitor_loadall();
|
|
||||||
|
|
||||||
/* Scan all local Ports */
|
|
||||||
numentries = 0;
|
|
||||||
needed = get_ports_from_all_monitors(Level, NULL, 0, &numentries);
|
|
||||||
|
|
||||||
/* we calculated the needed buffersize. now do the error-checks */
|
|
||||||
if (cbBuf < needed) {
|
|
||||||
monitor_unloadall();
|
|
||||||
SetLastError(ERROR_INSUFFICIENT_BUFFER);
|
|
||||||
goto emP_cleanup_cs;
|
|
||||||
}
|
|
||||||
else if (!pPorts || !pcReturned) {
|
|
||||||
monitor_unloadall();
|
|
||||||
SetLastError(RPC_X_NULL_REF_POINTER);
|
|
||||||
goto emP_cleanup_cs;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Fill the Buffer */
|
|
||||||
needed = get_ports_from_all_monitors(Level, pPorts, cbBuf, &numentries);
|
|
||||||
res = TRUE;
|
|
||||||
monitor_unloadall();
|
|
||||||
|
|
||||||
emP_cleanup_cs:
|
|
||||||
LeaveCriticalSection(&monitor_handles_cs);
|
|
||||||
|
|
||||||
emP_cleanup:
|
|
||||||
if (pcbNeeded) *pcbNeeded = needed;
|
|
||||||
if (pcReturned) *pcReturned = (res) ? numentries : 0;
|
|
||||||
|
|
||||||
TRACE("returning %d with %d (%d byte for %d of %d entries)\n",
|
|
||||||
(res), GetLastError(), needed, (res)? numentries : 0, numentries);
|
|
||||||
|
|
||||||
return (res);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/******************************************************************************
|
/******************************************************************************
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue