| /* |
| * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * - Neither the name of Oracle nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| // To ensure winsock2.h is used, it has to be included ahead of |
| // windows.h, which includes winsock.h by default. |
| #include <winsock2.h> |
| #include <windows.h> |
| #include <io.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <mmsystem.h> |
| #include <fcntl.h> |
| #include <process.h> |
| |
| #include "jni.h" |
| #include "hprof.h" |
| |
| int |
| md_getpid(void) |
| { |
| static int pid = -1; |
| |
| if ( pid >= 0 ) { |
| return pid; |
| } |
| pid = getpid(); |
| return pid; |
| } |
| |
| void |
| md_sleep(unsigned seconds) |
| { |
| Sleep((DWORD)seconds*1000); |
| } |
| |
| void |
| md_init(void) |
| { |
| } |
| |
| int |
| md_connect(char *hostname, unsigned short port) |
| { |
| struct hostent *hentry; |
| struct sockaddr_in s; |
| int fd; |
| |
| /* create a socket */ |
| fd = (int)socket(AF_INET, SOCK_STREAM, 0); |
| |
| /* find remote host's addr from name */ |
| if ((hentry = gethostbyname(hostname)) == NULL) { |
| return -1; |
| } |
| (void)memset((char *)&s, 0, sizeof(s)); |
| /* set remote host's addr; its already in network byte order */ |
| (void)memcpy(&s.sin_addr.s_addr, *(hentry->h_addr_list), |
| (int)sizeof(s.sin_addr.s_addr)); |
| /* set remote host's port */ |
| s.sin_port = htons(port); |
| s.sin_family = AF_INET; |
| |
| /* now try connecting */ |
| if (-1 == connect(fd, (struct sockaddr*)&s, sizeof(s))) { |
| return 0; |
| } |
| return fd; |
| } |
| |
| int |
| md_recv(int f, char *buf, int len, int option) |
| { |
| return recv(f, buf, len, option); |
| } |
| |
| int |
| md_shutdown(int filedes, int option) |
| { |
| return shutdown(filedes, option); |
| } |
| |
| int |
| md_open(const char *filename) |
| { |
| return open(filename, O_RDONLY); |
| } |
| |
| int |
| md_open_binary(const char *filename) |
| { |
| return open(filename, O_RDONLY|O_BINARY); |
| } |
| |
| int |
| md_creat(const char *filename) |
| { |
| return open(filename, O_CREAT | O_WRONLY | O_TRUNC, |
| _S_IREAD | _S_IWRITE); |
| } |
| |
| int |
| md_creat_binary(const char *filename) |
| { |
| return open(filename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, |
| _S_IREAD | _S_IWRITE); |
| } |
| |
| jlong |
| md_seek(int filedes, jlong pos) |
| { |
| jlong new_pos; |
| |
| if ( pos == (jlong)-1 ) { |
| new_pos = _lseeki64(filedes, 0L, SEEK_END); |
| } else { |
| new_pos = _lseeki64(filedes, pos, SEEK_SET); |
| } |
| return new_pos; |
| } |
| |
| void |
| md_close(int filedes) |
| { |
| (void)closesocket(filedes); |
| } |
| |
| int |
| md_send(int s, const char *msg, int len, int flags) |
| { |
| return send(s, msg, len, flags); |
| } |
| |
| int |
| md_read(int filedes, void *buf, int nbyte) |
| { |
| return read(filedes, buf, nbyte); |
| } |
| |
| int |
| md_write(int filedes, const void *buf, int nbyte) |
| { |
| return write(filedes, buf, nbyte); |
| } |
| |
| jlong |
| md_get_microsecs(void) |
| { |
| return (jlong)(timeGetTime())*(jlong)1000; |
| } |
| |
| #define FT2JLONG(ft) \ |
| ((jlong)(ft).dwHighDateTime << 32 | (jlong)(ft).dwLowDateTime) |
| |
| jlong |
| md_get_timemillis(void) |
| { |
| static jlong fileTime_1_1_70 = 0; |
| SYSTEMTIME st0; |
| FILETIME ft0; |
| |
| if (fileTime_1_1_70 == 0) { |
| /* Initialize fileTime_1_1_70 -- the Win32 file time of midnight |
| * 1/1/70. |
| */ |
| |
| memset(&st0, 0, sizeof(st0)); |
| st0.wYear = 1970; |
| st0.wMonth = 1; |
| st0.wDay = 1; |
| SystemTimeToFileTime(&st0, &ft0); |
| fileTime_1_1_70 = FT2JLONG(ft0); |
| } |
| |
| GetSystemTime(&st0); |
| SystemTimeToFileTime(&st0, &ft0); |
| |
| return (FT2JLONG(ft0) - fileTime_1_1_70) / 10000; |
| } |
| |
| jlong |
| md_get_thread_cpu_timemillis(void) |
| { |
| return md_get_timemillis(); |
| } |
| |
| HINSTANCE hJavaInst; |
| static int nError = 0; |
| |
| BOOL WINAPI |
| DllMain(HINSTANCE hinst, DWORD reason, LPVOID reserved) |
| { |
| WSADATA wsaData; |
| switch (reason) { |
| case DLL_PROCESS_ATTACH: |
| hJavaInst = hinst; |
| nError = WSAStartup(MAKEWORD(2,0), &wsaData); |
| break; |
| case DLL_PROCESS_DETACH: |
| WSACleanup(); |
| hJavaInst = NULL; |
| default: |
| break; |
| } |
| return TRUE; |
| } |
| |
| void |
| md_get_prelude_path(char *path, int path_len, char *filename) |
| { |
| char libdir[FILENAME_MAX+1]; |
| char *lastSlash; |
| |
| GetModuleFileName(hJavaInst, libdir, FILENAME_MAX); |
| |
| /* This is actually in the bin directory, so move above bin for lib */ |
| lastSlash = strrchr(libdir, '\\'); |
| if ( lastSlash != NULL ) { |
| *lastSlash = '\0'; |
| } |
| lastSlash = strrchr(libdir, '\\'); |
| if ( lastSlash != NULL ) { |
| *lastSlash = '\0'; |
| } |
| (void)md_snprintf(path, path_len, "%s\\lib\\%s", libdir, filename); |
| } |
| |
| int |
| md_vsnprintf(char *s, int n, const char *format, va_list ap) |
| { |
| return _vsnprintf(s, n, format, ap); |
| } |
| |
| int |
| md_snprintf(char *s, int n, const char *format, ...) |
| { |
| int ret; |
| va_list ap; |
| |
| va_start(ap, format); |
| ret = md_vsnprintf(s, n, format, ap); |
| va_end(ap); |
| return ret; |
| } |
| |
| void |
| md_system_error(char *buf, int len) |
| { |
| long errval; |
| |
| errval = GetLastError(); |
| buf[0] = '\0'; |
| if (errval != 0) { |
| int n; |
| |
| n = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS, |
| NULL, errval, |
| 0, buf, len, NULL); |
| if (n > 3) { |
| /* Drop final '.', CR, LF */ |
| if (buf[n - 1] == '\n') n--; |
| if (buf[n - 1] == '\r') n--; |
| if (buf[n - 1] == '.') n--; |
| buf[n] = '\0'; |
| } |
| } |
| } |
| |
| unsigned |
| md_htons(unsigned short s) |
| { |
| return htons(s); |
| } |
| |
| unsigned |
| md_htonl(unsigned l) |
| { |
| return htonl(l); |
| } |
| |
| unsigned |
| md_ntohs(unsigned short s) |
| { |
| return ntohs(s); |
| } |
| |
| unsigned |
| md_ntohl(unsigned l) |
| { |
| return ntohl(l); |
| } |
| |
| static int |
| get_last_error_string(char *buf, int len) |
| { |
| long errval; |
| |
| errval = GetLastError(); |
| if (errval != 0) { |
| /* DOS error */ |
| int n; |
| |
| n = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS, |
| NULL, errval, |
| 0, buf, len, NULL); |
| if (n > 3) { |
| /* Drop final '.', CR, LF */ |
| if (buf[n - 1] == '\n') n--; |
| if (buf[n - 1] == '\r') n--; |
| if (buf[n - 1] == '.') n--; |
| buf[n] = '\0'; |
| } |
| return n; |
| } |
| |
| if (errno != 0) { |
| /* C runtime error that has no corresponding DOS error code */ |
| const char *s; |
| int n; |
| |
| s = strerror(errno); |
| n = (int)strlen(s); |
| if (n >= len) { |
| n = len - 1; |
| } |
| (void)strncpy(buf, s, n); |
| buf[n] = '\0'; |
| return n; |
| } |
| |
| return 0; |
| } |
| |
| /* Build a machine dependent library name out of a path and file name. */ |
| void |
| md_build_library_name(char *holder, int holderlen, char *pname, char *fname) |
| { |
| int pnamelen; |
| char c; |
| |
| pnamelen = pname ? (int)strlen(pname) : 0; |
| c = (pnamelen > 0) ? pname[pnamelen-1] : 0; |
| |
| /* Quietly truncates on buffer overflow. Should be an error. */ |
| if (pnamelen + strlen(fname) + 10 > (unsigned int)holderlen) { |
| *holder = '\0'; |
| return; |
| } |
| |
| if (pnamelen == 0) { |
| sprintf(holder, "%s.dll", fname); |
| } else if (c == ':' || c == '\\') { |
| sprintf(holder, "%s%s.dll", pname, fname); |
| } else { |
| sprintf(holder, "%s\\%s.dll", pname, fname); |
| } |
| } |
| |
| void * |
| md_load_library(const char * name, char *err_buf, int err_buflen) |
| { |
| void *result; |
| |
| result = LoadLibrary(name); |
| if (result == NULL) { |
| /* Error message is pretty lame, try to make a better guess. */ |
| long errcode; |
| |
| errcode = GetLastError(); |
| if (errcode == ERROR_MOD_NOT_FOUND) { |
| strncpy(err_buf, "Can't find dependent libraries", err_buflen-2); |
| err_buf[err_buflen-1] = '\0'; |
| } else { |
| get_last_error_string(err_buf, err_buflen); |
| } |
| } |
| return result; |
| } |
| |
| void |
| md_unload_library(void *handle) |
| { |
| FreeLibrary(handle); |
| } |
| |
| void * |
| md_find_library_entry(void *handle, const char *name) |
| { |
| return GetProcAddress(handle, name); |
| } |