当前位置: 首页>>代码示例>>C++>>正文

C++ CEventServer::sendEvent方法代码示例

本文整理汇总了C++中CEventServer::sendEvent方法的典型用法代码示例。如果您正苦于以下问题：C++ CEventServer::sendEvent方法的具体用法？C++ CEventServer::sendEvent怎么用？C++ CEventServer::sendEvent使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CEventServer的用法示例。


在下文中一共展示了CEventServer::sendEvent方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: RecordThread


//.........这里部分代码省略.........
				{
					lt_info("%s: read failed: %m\n", __func__);
					exit_flag = RECORD_FAILED_READ;
					state = REC_STATUS_OVERFLOW;
					break;
				}
			}
			else
			{
				overflow = false;
				buf_pos += s;
			}
		}
		else
		{
			if (!overflow)
				overflow_count = 0;
			overflow = true;
			if (!(overflow_count % 10))
				lt_info("%s: buffer full! Overflow? (%d)\n", __func__, ++overflow_count);
			state = REC_STATUS_SLOW;
		}
		r = aio_error(&a);
		if (r == EINPROGRESS)
		{
			lt_debug("%s: aio in progress, free: %d\n", __func__, bufsize - buf_pos);
			continue;
		}
		// not calling aio_return causes a memory leak  --martii
		r = aio_return(&a);
		if (r < 0)
		{
			exit_flag = RECORD_FAILED_FILE;
			lt_debug("%s: aio_return = %d (%m)\n", __func__, r);
			break;
		}
		else
			lt_debug("%s: aio_return = %d, free: %d\n", __func__, r, bufsize - buf_pos);
		if (posix_fadvise(file_fd, 0, 0, POSIX_FADV_DONTNEED))
			perror("posix_fadvise");
		if (queued)
		{
			memmove(buf, buf + queued, buf_pos - queued);
			buf_pos -= queued;
		}
		queued = buf_pos;
		a.aio_buf = buf;
		a.aio_nbytes = queued;
		r = aio_write(&a);
		if (r)
		{
			lt_info("%s: aio_write %d (%m)\n", __func__, r);
			exit_flag = RECORD_FAILED_FILE;
			break;
		}
	}
	dmx->Stop();
	while (true) /* write out the unwritten buffer content */
	{
		lt_debug("%s: run-out write, buf_pos %d\n", __func__, buf_pos);
		r = aio_error(&a);
		if (r == EINPROGRESS)
		{
			usleep(50000);
			continue;
		}
		r = aio_return(&a);
		if (r < 0)
		{
			exit_flag = RECORD_FAILED_FILE;
			lt_info("%s: aio_result: %d (%m)\n", __func__, r);
			break;
		}
		if (!queued)
			break;
		memmove(buf, buf + queued, buf_pos - queued);
		buf_pos -= queued;
		queued = buf_pos;
		a.aio_buf = buf;
		a.aio_nbytes = queued;
		r = aio_write(&a);
	}

#if 0
	// TODO: do we need to notify neutrino about failing recording?
	CEventServer eventServer;
	eventServer.registerEvent2(NeutrinoMessages::EVT_RECORDING_ENDED, CEventServer::INITID_NEUTRINO, "/tmp/neutrino.sock");
	stream2file_status2_t s;
	s.status = exit_flag;
	strncpy(s.filename,basename(myfilename),512);
	s.filename[511] = '\0';
	strncpy(s.dir,dirname(myfilename),100);
	s.dir[99] = '\0';
	eventServer.sendEvent(NeutrinoMessages::EVT_RECORDING_ENDED, CEventServer::INITID_NEUTRINO, &s, sizeof(s));
	printf("[stream2file]: pthreads exit code: %i, dir: '%s', filename: '%s' myfilename: '%s'\n", exit_flag, s.dir, s.filename, myfilename);
#endif

	lt_info("%s: end\n", __func__);
	pthread_exit(NULL);
}
开发者ID:Carjay，项目名称:libstb-hal，代码行数:101，代码来源:record.cpp

示例2: RecordThread

void cRecord::RecordThread()
{
	lt_info("%s: begin\n", __func__);
#define BUFSIZE (1 << 19) /* 512 kB */
	ssize_t r = 0;
	int buf_pos = 0;
	uint8_t *buf;
	buf = (uint8_t *)malloc(BUFSIZE);

	if (!buf)
	{
		exit_flag = RECORD_FAILED_MEMORY;
		lt_info("%s: unable to allocate buffer! (out of memory)\n", __func__);
	}

	dmx->Start();
	while (exit_flag == RECORD_RUNNING)
	{
		if (buf_pos < BUFSIZE)
		{
			r = dmx->Read(buf + buf_pos, BUFSIZE - 1 - buf_pos, 100);
			lt_debug("%s: buf_pos %6d r %6d / %6d\n", __func__,
				buf_pos, (int)r, BUFSIZE - 1 - buf_pos);
			if (r < 0)
			{
				if (errno != EAGAIN)
				{
					lt_info("%s: read failed: %m\n", __func__);
					exit_flag = RECORD_FAILED_READ;
					break;
				}
				lt_info("%s: EAGAIN\n", __func__);
			}
			else
				buf_pos += r;
		}
		else
			lt_info("%s: buffer full! Overflow?\n", __func__);
		if (buf_pos > (BUFSIZE / 3)) /* start writeout */
		{
			size_t towrite = BUFSIZE / 2;
			if (buf_pos < BUFSIZE / 2)
				towrite = buf_pos;
			r = write(file_fd, buf, towrite);
			if (r < 0)
			{
				exit_flag = RECORD_FAILED_FILE;
				lt_info("%s: write error: %m\n", __func__);
				break;
			}
			buf_pos -= r;
			memmove(buf, buf + r, buf_pos);
			lt_debug("%s: buf_pos %6d w %6d / %6d\n", __func__, buf_pos, (int)r, (int)towrite);
#if 0
			if (fdatasync(file_fd))
				perror("cRecord::FileThread() fdatasync");
#endif
			if (posix_fadvise(file_fd, 0, 0, POSIX_FADV_DONTNEED))
				perror("posix_fadvise");
		}
	}
	dmx->Stop();
	while (buf_pos > 0) /* write out the unwritten buffer content */
	{
		r = write(file_fd, buf, buf_pos);
		if (r < 0)
		{
			exit_flag = RECORD_FAILED_FILE;
			lt_info("%s: write error: %m\n", __func__);
			break;
		}
		buf_pos -= r;
		memmove(buf, buf + r, buf_pos);
	}
	free(buf);

#if 0
	// TODO: do we need to notify neutrino about failing recording?
	CEventServer eventServer;
	eventServer.registerEvent2(NeutrinoMessages::EVT_RECORDING_ENDED, CEventServer::INITID_NEUTRINO, "/tmp/neutrino.sock");
	stream2file_status2_t s;
	s.status = exit_flag;
	strncpy(s.filename,basename(myfilename),512);
	s.filename[511] = '\0';
	strncpy(s.dir,dirname(myfilename),100);
	s.dir[99] = '\0';
	eventServer.sendEvent(NeutrinoMessages::EVT_RECORDING_ENDED, CEventServer::INITID_NEUTRINO, &s, sizeof(s));
	printf("[stream2file]: pthreads exit code: %i, dir: '%s', filename: '%s' myfilename: '%s'\n", exit_flag, s.dir, s.filename, myfilename);
#endif

	lt_info("%s: end", __func__);
	pthread_exit(NULL);
}
开发者ID:FFTEAM，项目名称:evolux-spark-sh4，代码行数:93，代码来源:record_td.cpp

示例3: if


//.........这里部分代码省略.........
			}
		}
	else
		offset = 0;

	written = ringbuffer_write(ringbuf, (char *)&(buf[offset]), r - offset);
	// TODO: Retry
	if (written != r - offset) {
		printf("PANIC: wrote less than requested to ringbuffer, written %d, requested %d\n", written, r - offset);
		exit_flag = STREAM2FILE_STATUS_BUFFER_OVERFLOW;
	}
	todo = IN_SIZE - (r - offset);

	/* IN_SIZE > TS_SIZE => todo > 0 */

	while (exit_flag == STREAM2FILE_STATUS_RUNNING)
	{
		ringbuffer_get_write_vector(ringbuf, &(vec[0]));
		todo2 = todo - vec[0].len;
		if (todo2 < 0)
		{
			todo2 = 0;
		}
		else
		{
			if (((size_t)todo2) > vec[1].len)
			{
				printf("PANIC: not enough space in ringbuffer, available %d, needed %d\n", vec[0].len + vec[1].len, todo + todo2);
				exit_flag = STREAM2FILE_STATUS_BUFFER_OVERFLOW;
			}
			todo = vec[0].len;
		}

		while (exit_flag == STREAM2FILE_STATUS_RUNNING)
		{
			if ((pres=poll (&pfd, 1, 15000))>0)
			{
				if (!(pfd.revents&POLLIN))
				{
					printf ("PANIC: error reading from demux, bailing out\n");
					exit_flag = STREAM2FILE_STATUS_READ_FAILURE;
				}
				r = read(*(int *)v_arg, vec[0].buf, todo);
				if (r > 0)
				{
					ringbuffer_write_advance(ringbuf, r);
	
					if (todo == r)
					{
						if (todo2 == 0)
							goto next;
	
						todo = todo2;
						todo2 = 0;
						vec[0].buf = vec[1].buf;
					}
					else
					{
						vec[0].buf += r;
						todo -= r;
					}
				}
			}
			else if (!pres){
				printf ("[stream2file]: timeout reading from demux\n");
				goto next;
			}
		}
		next:
			todo = IN_SIZE;
	}

	if (v_arg == &dvrfd)
		close(*(int *)v_arg);
	else
		unsetPesFilter(*(int *)v_arg);

	pthread_join(file_thread, NULL);

	ringbuffer_free(ringbuf);

	if (v_arg == &dvrfd)
		while (demuxfd_count > 0)
			unsetPesFilter(demuxfd[--demuxfd_count]);

	DEC_BUSY_COUNT;

	if ((v_arg == &dvrfd) || (v_arg == (&(demuxfd[0]))))
	{
		CEventServer eventServer;
		eventServer.registerEvent2(NeutrinoMessages::EVT_RECORDING_ENDED, CEventServer::INITID_NEUTRINO, "/tmp/neutrino.sock");
		stream2file_status2_t s;
		s.status = exit_flag;
		strncpy(s.dir,dirname(myfilename),100);
		eventServer.sendEvent(NeutrinoMessages::EVT_RECORDING_ENDED, CEventServer::INITID_NEUTRINO, &s, sizeof(s));
		printf("[stream2file] pthreads exit code: %u\n", exit_flag);
	}

	pthread_exit(NULL);
}
开发者ID:OpenDMM，项目名称:tuxbox-apps，代码行数:101，代码来源:stream2file.cpp

示例4: DMXThread


//.........这里部分代码省略.........
		}
	}

	if (exit_flag == STREAM2FILE_STATUS_RUNNING)
	{
		written = ringbuffer_write(ringbuf, (char *)&(buf[offset]), r - offset);
		// TODO: Retry
		if (written != r - offset) {
			fprintf(stderr, "PANIC: wrote less than requested to ringbuffer, written %d, requested %d\n", written, r - offset);
			exit_flag = STREAM2FILE_STATUS_BUFFER_OVERFLOW;
		}
		todo = IN_SIZE - (r - offset);
	}

	/* IN_SIZE > TS_SIZE => todo > 0 */

	while (exit_flag == STREAM2FILE_STATUS_RUNNING)
	{
		ringbuffer_get_write_vector(ringbuf, &(vec[0]));
		todo2 = todo - vec[0].len;
		if (todo2 < 0)
		{
			todo2 = 0;
		}
		else
		{
			if (((size_t)todo2) > vec[1].len)
			{
				fprintf(stderr, "PANIC: not enough space in ringbuffer, available %d, needed %d\n", vec[0].len + vec[1].len, todo + todo2);
				exit_flag = STREAM2FILE_STATUS_BUFFER_OVERFLOW;
			}
			todo = vec[0].len;
		}

		while (exit_flag == STREAM2FILE_STATUS_RUNNING)
		{
			if ((pres=poll (&pfd, 1, 5000))>0)
			{
				if (!(pfd.revents&POLLIN))
				{
					fprintf(stderr, "PANIC: error reading from demux, bailing out\n");
					exit_flag = STREAM2FILE_STATUS_READ_FAILURE;
				}
				r = read(dvrfd, vec[0].buf, todo);
				if (r > 0)
				{
					ringbuffer_write_advance(ringbuf, r);
	
					if (todo == r)
					{
						if (todo2 == 0)
							goto next;
	
						todo = todo2;
						todo2 = 0;
						vec[0].buf = vec[1].buf;
					}
					else
					{
						vec[0].buf += r;
						todo -= r;
					}
				}
			}
			else if (!pres){
				fprintf(stderr, "[stream2file]: timeout reading from demux\n");
				exit_flag = STREAM2FILE_STATUS_READ_FAILURE;
			}
		}
		next:
			todo = IN_SIZE;
	}

	close(dvrfd);

	pthread_join(file_thread, NULL);

	if (ringbuf)
		ringbuffer_free(ringbuf);

	while (demuxfd_count > 0)
		unsetPesFilter(demuxfd[--demuxfd_count]);

#ifdef needed
//fixme: do we need it?
	CEventServer eventServer;
	eventServer.registerEvent2(NeutrinoMessages::EVT_RECORDING_ENDED, CEventServer::INITID_NEUTRINO, "/tmp/neutrino.sock");
	stream2file_status2_t s;
	s.status = exit_flag;
	strncpy(s.filename,basename(myfilename),512);
	s.filename[511] = '\0';
	strncpy(s.dir,dirname(myfilename),100);
	s.dir[99] = '\0';
	eventServer.sendEvent(NeutrinoMessages::EVT_RECORDING_ENDED, CEventServer::INITID_NEUTRINO, &s, sizeof(s));
	fprintf(stderr, "[stream2file]: pthreads exit code: %i, dir: '%s', filename: '%s' myfilename: '%s'\n", exit_flag, s.dir, s.filename, myfilename);
#endif

fprintf(stderr, "%s:%s <\n", __FILE__, __FUNCTION__);
	pthread_exit(NULL);
}
开发者ID:FFTEAM，项目名称:evolux-spark-sh4，代码行数:101，代码来源:record_cs.cpp


注：本文中的CEventServer::sendEvent方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。