version 1.6, 2011/06/07 11:49:39
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version 1.7.2.1, 2011/11/02 13:13:48
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Line 558 ioWatchDirLoop(const char *csDir, int (*callback)(cons
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Line 558 ioWatchDirLoop(const char *csDir, int (*callback)(cons
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close(kq); |
close(kq); |
return n; |
return n; |
} |
} |
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/* |
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* ioCreatePIDFile() Create PID file |
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* @csName = PID filename |
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* @ifExists = !=0 if filename exists return error |
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* return: -1 error or 0 ok |
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*/ |
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inline int |
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ioCreatePIDFile(const char *csName, int ifExists) |
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{ |
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int fd; |
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char str[STRSIZ] = { 0 }; |
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if (!csName) |
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return -1; |
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fd = open(csName, O_WRONLY | O_CREAT | (ifExists ? O_EXCL : 0), 0644); |
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if (fd == -1) { |
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LOGERR; |
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return -1; |
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} |
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snprintf(str, sizeof str, "%d", getpid()); |
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write(fd, str, strlen(str)); |
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close(fd); |
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return 0; |
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} |
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/* |
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* ioSendFile() AITNET sendfile() userland implementation, not dependant from OS |
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* @s = socket |
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* @csFile = file for send |
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* @sendLen = bytes to send, if 0 send all data |
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* @offset = start file offset |
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* return: 0 error, >0 ok, sended bytes |
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*/ |
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size_t |
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ioSendFile(int s, const char *csFile, size_t sendLen, off_t offset) |
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{ |
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void *addr; |
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int fd; |
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size_t len; |
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if (!csFile) |
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return 0; |
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fd = open(csFile, O_RDONLY); |
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if (fd == -1) { |
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LOGERR; |
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return 0; |
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} |
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if (!sendLen) { |
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sendLen = lseek(fd, 0, SEEK_END); |
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if (sendLen == -1) { |
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LOGERR; |
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close(fd); |
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return 0; |
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} |
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} |
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addr = mmap(NULL, sendLen, PROT_READ, MAP_SHARED, fd, offset); |
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if (addr == MAP_FAILED) { |
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LOGERR; |
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close(fd); |
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return 0; |
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} else |
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close(fd); |
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len = write(s, addr, sendLen); |
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if (len == -1) { |
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LOGERR; |
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munmap(addr, sendLen); |
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return 0; |
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} |
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if (len != sendLen) { |
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io_SetErr(ECANCELED, "Different sizes - request %u bytes, actually sended %u bytes\n", |
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sendLen, len); |
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len ^= len; |
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} |
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munmap(addr, sendLen); |
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return len; |
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} |
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/* |
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* ioRecvFile() Receive file from socket, fastest (zero-copy) way |
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* @s = socket |
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* @csFile = file for receive |
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* @recvLen = receive bytes |
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* @over = overwrite file if exists with mode like 0644 |
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* return: 0 error, >0 ok, received bytes |
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*/ |
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size_t |
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ioRecvFile(int s, const char *csFile, size_t recvLen, int over) |
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{ |
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void *addr; |
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int fd; |
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size_t len; |
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if (!csFile || !recvLen) |
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return 0; |
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if (!over && !access(csFile, F_OK)) |
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return 0; |
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fd = open(csFile, O_WRONLY | O_CREAT | O_TRUNC, over); |
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if (fd == -1) { |
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LOGERR; |
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unlink(csFile); |
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return 0; |
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} |
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if (lseek(fd, recvLen - 1, SEEK_SET) == -1) { |
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LOGERR; |
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close(fd); |
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unlink(csFile); |
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return 0; |
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} |
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if (write(fd, "", 1) == -1) { |
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LOGERR; |
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close(fd); |
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unlink(csFile); |
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return 0; |
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} |
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addr = mmap(NULL, recvLen, PROT_WRITE, MAP_SHARED, fd, 0); |
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if (addr == MAP_FAILED) { |
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LOGERR; |
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close(fd); |
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unlink(csFile); |
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return 0; |
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} else |
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close(fd); |
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len = read(s, addr, recvLen); |
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if (len == -1) { |
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LOGERR; |
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munmap(addr, recvLen); |
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unlink(csFile); |
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return 0; |
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} |
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if (len != recvLen) |
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io_SetErr(EAGAIN, "Different sizes - request %u bytes, actually received %u bytes\n", |
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recvLen, len); |
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munmap(addr, recvLen); |
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return len; |
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} |