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RDMAThread.cpp
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RDMAThread.cpp
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/*
* RDMAThread.cpp
*
* Created on: 2015-5-13
* Author: hek
*/
#include "RDMAThread.h"
#include "RDMAResource.h"
#include "RDMAOperation.h"
#include "RDMASock.h"
#include "TimeCount.h"
#include "MsgQueue.h"
#include "DirectoryUtil.h"
#include "IBDT_ErrorDefine.h"
#include <QDebug>
#include <QFileInfo>
#include <iostream>
#include <fstream>
#include <semaphore.h>
#include <sys/statfs.h>
using namespace std;
const float fFillPercent = 0.8; // warns if the current disk is over 80% fullfilled.
sem_t g_sem_connect;//信号量
pthread_mutex_t g_lockSock; //对sock_t参数加锁
struct sock_t g_sock;
RDMAThread::RDMAThread()
{
// TODO 自动生成的构造函数存根
}
RDMAThread::~RDMAThread()
{
// TODO 自动生成的析构函数存根
}
bool RDMAThread::StartRDMAThreads( struct rdma_resource_t *rdma_resource, struct sock_bind_t *sock_bind)
{
INFO("RDMAThread::StartRDMAThreads()...\n");
//初始化信号量
int nRes = sem_init(&g_sem_connect, 0, 0);
if(nRes == -1)
{
INFO("semaphore intitialization failed\n");
}
struct thread_context_t *t_ctx;
struct user_param_t *user_param = &(rdma_resource->user_param);
pthread_attr_t attr;
pthread_attr_init(&attr);
if (user_param->server_ip)
{
rdma_resource->client_ctx = (struct thread_context_t*) malloc(sizeof(struct thread_context_t) * user_param->num_of_thread);
}
else
{
rdma_resource->daemon_ctx = (struct thread_context_t*) malloc(sizeof(struct thread_context_t) * user_param->num_of_thread);
}
int rc = 0;
for (uint32_t i = 0; i < user_param->num_of_thread; i++)
{
if (user_param->server_ip)
{
t_ctx = &rdma_resource->client_ctx[i];
}
else
{
t_ctx = &rdma_resource->daemon_ctx[i];
}
t_ctx->rdma_resource = rdma_resource;
INFO("创建RDMA线程....\n");
rc = pthread_create(&(t_ctx->thread), &attr, RDMAThread::rdma_thread, t_ctx);
if (rc != 0)
{
INFO("创建RDMA线程失败.\n");
break;
}
INFO("创建RDMA线程成功....\n");
}
int nCurSemNum = 0;
struct thread_context_t *t_ctxDaemon = (struct thread_context_t*) malloc(sizeof(struct thread_context_t) * 1);
while (true)
{
do
{
sem_getvalue(&g_sem_connect, &nCurSemNum);
sleep(1);
}while((uint)nCurSemNum >= user_param->num_of_thread);
DEBUG("当前连接数:%d\n", nCurSemNum);
rc = RDMASock::sock_connect_multi(sock_bind, &(t_ctxDaemon->sock));
if (rc)
{
g_lastErrorCode = IBDT_E_ConnectServerFailed;
ERROR("两端打开连接失败.\n");
return false;
}
pthread_mutex_lock(&g_lockSock);
g_sock = t_ctxDaemon->sock;
pthread_mutex_unlock(&g_lockSock);
//信号量加1
sem_post(&g_sem_connect);
if (user_param->server_ip)
{
break;
}
}
// 等待线程完成
uint32_t i = 0;
int ret = 0;
unsigned long exit_code;
if (user_param->server_ip) // client side
{
if (i != user_param->num_of_thread)
{
// 终止执行
for (uint32_t j = 0; j < i; j++)
{
t_ctx = &rdma_resource->client_ctx[i];
pthread_cancel(t_ctx->thread);
pthread_join(t_ctx->thread, (void**)&exit_code);
}
ret = 1;
}
for (i = 0; i < user_param->num_of_thread; i++)
{
t_ctx = &rdma_resource->client_ctx[i];
rc = pthread_join(t_ctx->thread, (void **) &exit_code);
if ((rc != 0) || (exit_code != 0))
{
ERROR("等待线程[%d]结束失败.\n", i);
ret = 1;
}
else
{
INFO("线程[%d]执行完成,返回值:%lu\n", i, exit_code);
}
RDMASock::sock_close_multi(&(t_ctx->sock), sock_bind);
}
if (rdma_resource->client_ctx != NULL)
free(rdma_resource->client_ctx);
}
else
{
if (i != user_param->num_of_thread) {
// 终止执行
for (uint32_t j = 0; j < i; j++) {
t_ctx = &rdma_resource->daemon_ctx[i];
pthread_cancel(t_ctx->thread);
pthread_join(t_ctx->thread, (void**) &exit_code);
}
ret = 1;
}
for (i = 0; i < user_param->num_of_thread; i++) {
t_ctx = &rdma_resource->daemon_ctx[i];
INFO("pthread_join:%d.\n", i);
rc = pthread_join(t_ctx->thread, (void **) &exit_code);
if ((rc != 0) || (exit_code != 0)) {
ERROR("等待线程[%d]结束失败.\n", i);
ret = 1;
} else {
INFO("线程[%d]执行完成,返回值:%lu\n", i, exit_code);
}
RDMASock::sock_close_multi(&(t_ctx->sock), sock_bind);
}
sem_destroy(&g_sem_connect);//清理信号量
pthread_attr_destroy(&attr);//清理线程属性
if (rdma_resource->daemon_ctx != NULL)
free(rdma_resource->daemon_ctx);
}
if (t_ctxDaemon != NULL)
{
free(t_ctxDaemon);
}
return true;
}
void *RDMAThread::rdma_thread(void *ptr)
{
struct thread_context_t *t_ctx = (struct thread_context_t*) ptr;
struct rdma_resource_t *rdma_resource = t_ctx->rdma_resource;
struct user_param_t *user_param = &(rdma_resource->user_param);
struct rdma_req_t rdma_req;
t_ctx->thread_id = pthread_self();
do
{
if (!RDMAResource::CreateRDMABufPool(t_ctx))
{
g_lastErrorCode = IBDT_E_RegMRFailed;
ERROR("创建注册内存池失败.\n");
INFO("RDMASock::close_sock_fd(t_ctx->sock)...\n");
RDMASock::close_sock_fd(t_ctx->sock.sock_fd);
return NULL;
}
INFO("thread id : %u\n", t_ctx->thread_id);
if (!RDMAResource::CreateQP(t_ctx))
{
g_lastErrorCode = IBDT_E_CreateQPFailed;
ERROR("创建QP失败.\n");
return NULL;
}
sem_wait(&g_sem_connect);
int nCurConnectNum = 0;
sem_getvalue(&g_sem_connect, &nCurConnectNum);
DEBUG("Current connect num : %d\n", nCurConnectNum);
pthread_mutex_lock(&g_lockSock);
t_ctx->sock = g_sock;
pthread_mutex_unlock(&g_lockSock);
// 交换数据
{
struct thread_sync_info_t
{
uint32_t qp_num;
uint32_t direction;
uint32_t opcode;
uint32_t qkey;
uint32_t psn;
uint16_t lid;
}ATTR_PACKED;
struct thread_sync_info_t local_info;
struct thread_sync_info_t remote_info;
local_info.lid = htons(rdma_resource->port_attr.lid);
local_info.qp_num = htonl(t_ctx->qp->qp_num);
local_info.direction = htonl(user_param->direction);
local_info.opcode = htonl(user_param->opcode); /// enum ibv_wr_opcode
local_info.qkey = htonl(0);
local_info.psn = htonl(0);
int rc = RDMASock::sock_sync_data(&(t_ctx->sock), sizeof(local_info), &local_info,
&remote_info);
if (rc)
{
g_lastErrorCode = IBDT_E_SyncDataFailed;
ERROR("同步数据失败.\n");
return NULL;
}
t_ctx->remote_lid = ntohs(remote_info.lid);
t_ctx->remote_qpn = ntohl(remote_info.qp_num);
t_ctx->remote_qkey = ntohl(remote_info.qkey);
t_ctx->remote_psn = ntohl(remote_info.psn);
INFO("远端QP number: \t0x%x\n", t_ctx->remote_qpn);
INFO("远端LID:\t0x%x\n", t_ctx->remote_lid);
if (user_param->server_ip == NULL)
{
user_param->direction = ntohl(remote_info.direction);
user_param->opcode = (ibv_wr_opcode)ntohl(remote_info.opcode);
if (user_param->direction == 0 || user_param->direction == 1) {
t_ctx->is_requestor = 0;
} else if (user_param->direction == 2) {
t_ctx->is_requestor = 1;
}
} else {
if (user_param->direction == 0 || user_param->direction == 1) {
t_ctx->is_requestor = 1;
} else if (user_param->direction == 2) {
t_ctx->is_requestor = 0;
}
}
}
if (!RDMAResource::ConnectQP(t_ctx))
{
g_lastErrorCode = IBDT_E_ConnectQPFailed;
ERROR("连接QP失败.\n");
return NULL;
}
uint32_t i;
for (i = 0; i < user_param->num_of_oust; i++)
{
RDMAResource::GetRDMABuf(t_ctx, rdma_req.rdma_buf);
rdma_req.num_of_oust = 1;
rdma_req.data_size = DEF_BUF_SIZE;
if(!RDMAOperation::PostReceive(t_ctx, &rdma_req))
{
g_lastErrorCode = IBDT_E_PostReceviceFailed;
ERROR("post_receive失败, i: %d.\n", i);
return NULL;
}
}
INFO("一次性发送接收请求 %d 个成功完成\n", user_param->num_of_oust);
if(RDMASock::sock_sync_ready(&t_ctx->sock))
{
g_lastErrorCode = IBDT_E_SyncReadyFailed;
ERROR("同步就绪失败\n");
return NULL;
}
INFO("同步就绪成功\n");
// 一端传送文件名称,另一端收到后,创建文件
file_info_t file_info;
file_info.file_size = 0;
file_info.file_resume_size = 0;
file_info.file_type = user_param->is_trans_msg_file;
file_info.src_file_path = (char*)malloc(BUFSIZ);
file_info.target_file_path = (char*)malloc(BUFSIZ);
if(!TransFileInfo(t_ctx, &rdma_req, file_info))
{
g_lastErrorCode = IBDT_E_SendFileInfoFailed;
ERROR("传输文件信息交互失败\n");
return NULL;
}
INFO("传输文件信息交互成功, 文件名: %s, 大小: %ld, 远端文件已存在大小: %ld\n", file_info.src_file_path, file_info.file_size, file_info.file_resume_size);
CTimeCount::SetStartTime();
// 一端读取数据,另一端接收数据写文件
bool bTransRet = true;
if(!TransFile(t_ctx, &rdma_req, file_info))
{
g_lastErrorCode = IBDT_E_TransferFileFailed;
if(t_ctx->is_requestor)
ERROR("传输文件 %s 失败\n", file_info.src_file_path);
else
ERROR("传输文件 %s 失败\n", file_info.target_file_path);
bTransRet = false;//需要修改,直接返回 线程就退出了
}
if (bTransRet)
{
CTimeCount::SetEndTime();
if(t_ctx->is_requestor)
INFO("传输文件 %s 成功 文件类型:%d,耗时: %.1f ms\n", file_info.src_file_path, file_info.file_type, CTimeCount::GetUseTime(false));
else
INFO("传输文件 %s 成功 文件类型:%d,耗时: %.1f ms\n", file_info.target_file_path, file_info.file_type, CTimeCount::GetUseTime(false));
//如果是消息类型的文件并且是接收端,通知消息服务器
if (file_info.file_type == 1 && t_ctx->is_requestor == 0)
{
INFO("write msg queue\n");
key_t key = CMsgQueue::FTok();
int nMsqid = -1;
CMsgQueue::OpenMsgQue(nMsqid, key);
msg_form msg;
msg.mtype = MSG_CLIENT_TYPE;
strcpy(msg.mtext, file_info.target_file_path);
INFO("send msg %s", msg.mtext);
CMsgQueue::SendMsg(nMsqid, msg);
}
}
if (file_info.src_file_path != NULL)
free(file_info.src_file_path);
if (file_info.target_file_path != NULL)
free(file_info.target_file_path);
if(t_ctx->is_requestor == 0)
{
INFO("RDMASock::close_sock_fd(t_ctx->sock)...\n");
RDMASock::close_sock_fd(t_ctx->sock.sock_fd);
}
INFO("RDMAResource::DestroyQP(t_ctx)........\n");
RDMAResource::DestroyQP(t_ctx);
RDMAResource::FreeRDMAPool(t_ctx);
if (t_ctx->buff != NULL)
free(t_ctx->buff);
else
printf("t_ctx->buff is null\n");
}while (user_param->server_ip == NULL);
INFO("RDMA测试线程成功退出.\n");
return NULL;
}
bool RDMAThread::TransFileInfo(struct thread_context_t *t_ctx, struct rdma_req_t *rdma_req, file_info_t& file_info)
{
if(file_info.src_file_path == NULL)
{
return false;
}
struct rdma_resource_t *rdma_resource = t_ctx->rdma_resource;
struct user_param_t *user_param = &(rdma_resource->user_param);
// 一端传送文件名称,另一端收到后,创建文件
if (t_ctx->is_requestor) {
strcpy(file_info.src_file_path, user_param->src_file_path);
if (strlen(user_param->target_file_path) > 0)
strcpy(file_info.target_file_path, user_param->target_file_path);
else
strcpy(file_info.target_file_path, user_param->src_file_path);
// File Size (2015.10.10 Xun)
QFileInfo cInfo(file_info.src_file_path);
file_info.file_size = cInfo.size(); // bytes
// End of 2015.10.10
} else {
memset(file_info.src_file_path, 0, BUFSIZ);
memset(file_info.target_file_path, 0, BUFSIZ);
}
if (!doRDMATransFileName(t_ctx, file_info)) {
ERROR("doRDMATransFileName失败\n");
return false;
}
if(t_ctx->is_requestor)
{
if(doRecvFileResumeSize(t_ctx, file_info.file_resume_size))
{
INFO("远端文件已存在大小: %ld\n", file_info.file_resume_size);
}
// 交互完后,接收方补一个接收请求
RDMAResource::GetRDMABuf(t_ctx, rdma_req->rdma_buf);
if (rdma_req->rdma_buf == NULL)
{
ERROR("获取RDMA buffer失败.\n");
return false;
}
rdma_req->num_of_oust = 1;
rdma_req->data_size = DEF_BUF_SIZE;
if (!RDMAOperation::PostReceive(t_ctx, rdma_req))
{
ERROR("doRecvFileResumeSize Post Receive Faile\n");
return false;
}
}
else
{
/* // Check Disk Space (2015.10.10 Xun)
qDebug() << "about to get free size.\n" ;
struct statfs cDiskInfo;
statfs(file_info.target_file_path, &cDiskInfo);
unsigned long long lTotalSize = cDiskInfo.f_blocks * cDiskInfo.f_bsize; // bytes
unsigned long long lTotalFree = cDiskInfo.f_bfree * cDiskInfo.f_bsize; // bytes
// qDebug() << "totalSize: " << (long)lTotalSize << "\n";
printf("totalSize: %ld\n", lTotalSize);
//qDebug() << "totalFree: " << (long)lTotalFree << "\n";
printf("totalFree: %ld\n", lTotalFree);
if(file_info.file_size > (long)lTotalFree) // OverSized
{
qDebug() << "No Space Left for this File.\n";
}
float fPercent = (float)lTotalFree/(float)lTotalSize;
if(fPercent < (1 - fFillPercent))
{
ERROR("No Enough Free Space on this Disk.\n");
qDebug() << "No Enough Free Space on this Disk.\n" ;
return false;
}
else
{
qDebug() << "Space Percent : " << fPercent << "\n";
}
// End of 2015.10.10
*/
// 交互完后,接收方补一个接收请求
RDMAResource::GetRDMABuf(t_ctx, rdma_req->rdma_buf);
if (rdma_req->rdma_buf == NULL) {
ERROR("获取RDMA buffer失败.\n");
return false;
}
rdma_req->num_of_oust = 1;
rdma_req->data_size = DEF_BUF_SIZE;
if (!RDMAOperation::PostReceive(t_ctx, rdma_req))
{
ERROR("Receive FileName TransFileInfo Post Receive Faile\n");
return false;
}
if(doSendFileResumeSize(t_ctx, file_info.file_resume_size))
{
INFO("通知远端文件已存在大小: %ld\n", file_info.file_resume_size);
}
}
return true;
}
bool RDMAThread::doRecvFileResumeSize(struct thread_context_t *t_ctx, long& file_resume_size)
{
struct rdma_buf_t *rdma_recv_buf;
TRACE("\n=============== doRecvFileResumeSize ======begin=================\n");
char* rdma_recv_payload;
if (!doRDMAReceive(t_ctx, &rdma_recv_buf)) {
ERROR("doRDMAReceive失败.\n");
return false;
}
RDMAResource::GetRDMAPayloadBuf(rdma_recv_buf, rdma_recv_payload);
TRACE("doRDMAReceive成功,Data: %s (长度: %d)\n", rdma_recv_payload, (int) strlen(rdma_recv_payload));
sscanf(rdma_recv_payload, "resume_size %ld", &file_resume_size);
RDMAResource::PutRDMABuf(t_ctx, rdma_recv_buf);
TRACE("=============== doRecvFileResumeSize ======end=================\n");
return true;
}
bool RDMAThread::doSendFileResumeSize(struct thread_context_t *t_ctx, long file_resume_size)
{
struct rdma_resource_t *rdma_resource = t_ctx->rdma_resource;
struct user_param_t *user_param = &(rdma_resource->user_param);
struct rdma_req_t rdma_req;
TRACE("\n=============== doSendFileResumeSize ======begin=================\n");
char* rdma_send_payload;
RDMAResource::GetRDMABuf(t_ctx, rdma_req.rdma_buf);
if (rdma_req.rdma_buf == NULL) {
ERROR("获取RDMA buffer失败.\n");
return false;
}
TRACE("获取RDMA buffer成功.\n");
rdma_req.num_of_oust = 1;
RDMAResource::GetRDMAPayloadBuf(rdma_req.rdma_buf, rdma_send_payload);
sprintf(rdma_send_payload, "resume_size %ld", file_resume_size);
rdma_req.data_size = RDMA_BUF_HDR_SIZE + strlen(rdma_send_payload);
rdma_req.opcode = user_param->opcode;
if (!doRDMASend(t_ctx, &rdma_req)) {
ERROR("doRDMASend失败.\n");
return false;
}
TRACE("doRDMASend成功, 数据长度: %d\n", (int)strlen(rdma_send_payload));
TRACE("=============== doSendFileResumeSize ======end=================\n");
RDMAResource::PutRDMABuf(t_ctx, rdma_req.rdma_buf);
return true;
}
bool RDMAThread::doRDMATransFileName(struct thread_context_t *t_ctx, file_info_t& file_info)
{
struct rdma_resource_t *rdma_resource = t_ctx->rdma_resource;
struct user_param_t *user_param = &(rdma_resource->user_param);
struct rdma_req_t rdma_req;
struct rdma_buf_t *rdma_recv_buf;
TRACE("\n=============== RDMATransFileName ======begin=================\n");
char* rdma_send_payload; // 发送文件全路径
char* rdma_recv_payload; // 收到文件全路径后,解析出文件名,创建文件
if (t_ctx->is_requestor) {
RDMAResource::GetRDMABuf(t_ctx, rdma_req.rdma_buf);
if (rdma_req.rdma_buf == NULL) {
ERROR("获取RDMA buffer失败.\n");
return false;
}
TRACE("获取RDMA buffer成功.\n");
rdma_req.num_of_oust = 1;
RDMAResource::GetRDMAPayloadBuf(rdma_req.rdma_buf, rdma_send_payload);
ifstream in(file_info.src_file_path, ios::in|ios::binary|ios::ate);
file_info.file_size = in.tellg();
in.close();
sprintf(rdma_send_payload, "%s %ld %d", file_info.target_file_path, file_info.file_size, file_info.file_type);//发送目标文件路径
rdma_req.data_size = RDMA_BUF_HDR_SIZE + strlen(rdma_send_payload);
rdma_req.opcode = user_param->opcode;
if (!doRDMASend(t_ctx, &rdma_req)) {
ERROR("doRDMASend失败.\n");
return false;
}
TRACE("doRDMASend成功, Data: %s (长度: %d)\n", rdma_send_payload, (int)strlen(rdma_send_payload));
RDMAResource::PutRDMABuf(t_ctx, rdma_req.rdma_buf);
} else {
if (!doRDMAReceive(t_ctx, &rdma_recv_buf)) {
ERROR("doRDMAReceive失败.\n");
return false;
}
RDMAResource::GetRDMAPayloadBuf(rdma_recv_buf, rdma_recv_payload);
TRACE("doRDMAReceive成功,Data: %s (长度: %d)\n", rdma_recv_payload, (int) strlen(rdma_recv_payload));
sscanf(rdma_recv_payload, "%s %ld %d", file_info.target_file_path, &file_info.file_size, &file_info.file_type);
//确保文件夹存在
std::string strParDir = DirectoryUtil::GetParentDir(file_info.target_file_path);
if (!DirectoryUtil::IsDirExist(strParDir.c_str()))
DirectoryUtil::CreateDir(strParDir.c_str());
// 获取文件大小
ifstream in;
in.open(file_info.target_file_path, ios::in | ios::binary | ios::ate);
file_info.file_resume_size = in.tellg();
RDMAResource::PutRDMABuf(t_ctx, rdma_recv_buf);
}
TRACE("=============== RDMATransFileName ======end=================\n");
return true;
}
bool RDMAThread::TransFile(struct thread_context_t *t_ctx, struct rdma_req_t *rdma_req, file_info_t& file_info)
{
struct rdma_resource_t *rdma_resource = t_ctx->rdma_resource;
struct user_param_t *user_param = &(rdma_resource->user_param);
// 请求端打开读取文件数据,接收端收到文件数据写文件
if (t_ctx->is_requestor) {
long readSize = 0;
// 打开文件读数据
ifstream in;
in.open(file_info.src_file_path, ios::in /*| ios::binary*/ | ios::ate);
long size = in.tellg();
if(user_param->is_resume_trans)
{
if(file_info.file_resume_size == 0 || file_info.file_resume_size > size)
in.seekg(0, ios::beg);
else if(file_info.file_resume_size > 0 && file_info.file_resume_size <= size)
{
in.seekg(file_info.file_resume_size, ios::beg);
readSize = file_info.file_resume_size;
}
}
else
{
in.seekg(0, ios::beg);
}
TRACE("文件 %s 大小 %ld\n", file_info.src_file_path, size);
int sendSize = DEF_BUF_SIZE - RDMA_BUF_HDR_SIZE;
char sendBuf[sendSize];
int nSendTotalCount = 1023;
int nSendCount = 0;
long lSendTestTime = 0;
while (!in.eof() && readSize < size) {
memset(sendBuf, 0, sendSize);
in.read(sendBuf, sendSize);
if(!doSendFileData(t_ctx, sendBuf, sendSize))
{
ERROR("发送文件 %s 数据失败\n", file_info.src_file_path);
return false;
}
readSize += in.gcount();
DEBUG("完成读文件大小: %ld, 进度: %.1f%%\n", readSize, float(readSize*100.0/size));
nSendCount++;
// 文件已经读取发送完成,直接退出循环
if(readSize >= size)
{
INFO("文件读取发送完成,发送次数: %d, 累计读取大小: %ld, 进度: %.1f%%\n",
nSendCount, readSize, float(readSize*100.0/size));
break;
}
if(nSendCount > nSendTotalCount)
{
INFO("发送端发完 %d 次数据,累计读取文件大小:%ld, 进度: %.3f%%,等待接收端继续指令\n",
nSendTotalCount, readSize, float(readSize*100.0/size));
INFO("[doRecvContTransFileData]lSendTestTime:%ld, nSendCount=%d\n", ++lSendTestTime, nSendCount);
int nCount = 0;
if(doRecvContTransFileData(t_ctx, nCount))
{
INFO("接收到继续传输文件数据请求,发送次数:%d,再次开始发送\n", nCount);
nSendTotalCount = nCount;
nSendCount = 0;
}
// 交互完后,接收方补一个接收请求
RDMAResource::GetRDMABuf(t_ctx, rdma_req->rdma_buf);
if (rdma_req->rdma_buf == NULL) {
ERROR("获取RDMA buffer失败.\n");
//return NULL;
}
rdma_req->num_of_oust = 1;
rdma_req->data_size = DEF_BUF_SIZE;
if (!RDMAOperation::PostReceive(t_ctx, rdma_req))
{
ERROR("doRecvContTransFileData__PostReceive Fail\n");
break;
}
}
}
in.close();
TRACE("文件 %s 发送完成\n", file_info.src_file_path);
}
else
{
long long writeSize = 0;
// qDebug() << "about to get free size.\n" ;
// struct statfs cDiskInfo;
// statfs(file_info.target_file_path, &cDiskInfo);
// unsigned long long lTotalSize = cDiskInfo.f_blocks;
// unsigned long long lTotalFree = cDiskInfo.f_bfree;
// // qDebug() << "totalSize: " << (long)lTotalSize << "\n";
// printf("totalSize: %ld\n", lTotalSize);
// //qDebug() << "totalFree: " << (long)lTotalFree << "\n";
// printf("totalFree: %ld\n", lTotalFree);
// float fPercent = (float)lTotalFree/(float)lTotalSize;
// if(fPercent < (1 - fFillPercent))
// {
// ERROR("No Enough Free Space on this Disk.\n");
// qDebug() << "No Enough Free Space on this Disk.\n" ;
// return false;
// }
// else
// {
// qDebug() << "Space Percent : " << fPercent << "\n";
// }
// 打开文件写数据
ofstream out;
if(user_param->is_resume_trans)
{
if(file_info.file_resume_size > 0 && file_info.file_resume_size <= file_info.file_size)
{
out.open(file_info.target_file_path, ios::out /*| ios::binary*/ | ios::app);
writeSize = file_info.file_resume_size;
}
else
out.open(file_info.target_file_path, ios::out /*| ios::binary*/ | ios::trunc);
}
else
{
out.open(file_info.target_file_path, ios::out /*| ios::binary*/ | ios::trunc);
}
char recvBuf[DEF_BUF_SIZE - RDMA_BUF_HDR_SIZE];
int recvSize = DEF_BUF_SIZE - RDMA_BUF_HDR_SIZE;
int nRecvTotalCount = 1023;
int nRecvCount = 0;
long lRecvTestTime = 0;
while (writeSize < file_info.file_size) {
if(writeSize + recvSize > file_info.file_size)
recvSize = file_info.file_size - writeSize;
else
recvSize = DEF_BUF_SIZE - RDMA_BUF_HDR_SIZE;
memset(recvBuf, 0, DEF_BUF_SIZE - RDMA_BUF_HDR_SIZE);
if(!doRecvFileData(t_ctx, recvBuf, recvSize))
{
ERROR("文件 %s 接收失败, 已接收大小: %lld, 文件大小: %ld\n", file_info.target_file_path, writeSize, file_info.file_size);
out.close();
return false;
}
// 接收方接收完数据后,立马补一个接收请求
RDMAResource::GetRDMABuf(t_ctx, rdma_req->rdma_buf);
if (rdma_req->rdma_buf == NULL) {
ERROR("获取RDMA buffer失败.\n");
out.close();
return false;
}
rdma_req->num_of_oust = 1;
rdma_req->data_size = DEF_BUF_SIZE;
if (!RDMAOperation::PostReceive(t_ctx, rdma_req))
{
ERROR("POST Receive Fail\n");
break;
}
out.write(recvBuf, recvSize);
writeSize += recvSize;
DEBUG("完成写文件大小: %lld, 进度: %.3f%%\n", writeSize, float(writeSize*100.0/file_info.file_size));
nRecvCount++;
// 文件已写完,直接退出循环
if(writeSize >= file_info.file_size)
{
INFO("文件接收写入完成,数据写文件次数: %d, 文件大小: %lld, 进度: %.1f%%\n",
nRecvCount, writeSize, float(writeSize*100.0/file_info.file_size));
break;
}
if(nRecvCount > nRecvTotalCount)
{
INFO("接收数据写文件次数:%d,累计写文件大小: %lld, 进度: %.3f%%, 通知发送端继续再发送 %d 次\n",
nRecvTotalCount, writeSize, float(writeSize*100.0/file_info.file_size), nRecvTotalCount);
INFO("[doSendContTransFileData]lRecvTestTime:%ld, nRecvCount=%d\n", ++lRecvTestTime, nRecvCount );
if(doSendContTransFileData(t_ctx, nRecvTotalCount))
{
nRecvCount = 0;
}
else
{
ERROR("doSendContTransFileData fail\n");
}
}
}
out.close();
INFO("文件 %s 接收完成\n", file_info.target_file_path);
TRACE("文件 %s 类型:%d\n", file_info.target_file_path, file_info.file_type);
if (file_info.file_type == 1)
{
TRACE("文件 %s 是消息文件", file_info.target_file_path);
}
}
return true;
}
bool RDMAThread::doSendFileData(struct thread_context_t *t_ctx, char *send_buf, int send_size)
{
if(!t_ctx->is_requestor)
return false;
if(send_buf == NULL || send_size == 0)
return false;
struct rdma_resource_t *rdma_resource = t_ctx->rdma_resource;
struct user_param_t *user_param = &(rdma_resource->user_param);
struct rdma_req_t rdma_req;
TRACE("\n=============== doSendFileData ======begin=================\n");
char* rdma_send_payload;
RDMAResource::GetRDMABuf(t_ctx, rdma_req.rdma_buf);
if (rdma_req.rdma_buf == NULL) {
ERROR("获取RDMA buffer失败.\n");
return false;
}
TRACE("获取RDMA buffer成功.\n");
rdma_req.num_of_oust = 1;
RDMAResource::GetRDMAPayloadBuf(rdma_req.rdma_buf, rdma_send_payload);
memcpy(rdma_send_payload, send_buf, send_size);
rdma_req.data_size = RDMA_BUF_HDR_SIZE + send_size;
rdma_req.opcode = user_param->opcode;
if (!doRDMASend(t_ctx, &rdma_req)) {
ERROR("doRDMASend失败.\n");
return false;
}
TRACE("doRDMASend成功, 数据长度: %d\n", send_size);
TRACE("=============== doSendFileData ======end=================\n");
RDMAResource::PutRDMABuf(t_ctx, rdma_req.rdma_buf);
return true;
}
bool RDMAThread::doRecvFileData(struct thread_context_t *t_ctx, char *recv_buf, int recv_size)
{
struct rdma_buf_t *rdma_recv_buf;
TRACE("\n=============== doRecvFileData ======begin=================\n");
char* rdma_recv_payload;
if (!doRDMAReceive(t_ctx, &rdma_recv_buf)) {
ERROR("doRDMAReceive失败.\n");
return false;
}
RDMAResource::GetRDMAPayloadBuf(rdma_recv_buf, rdma_recv_payload);
memcpy(recv_buf, rdma_recv_payload, recv_size);
TRACE("doRDMAReceive成功, 数据长度: %d\n", recv_size);
RDMAResource::PutRDMABuf(t_ctx, rdma_recv_buf);
TRACE("=============== doRecvFileData ======end=================\n");
return true;
}
bool RDMAThread::doRecvContTransFileData(struct thread_context_t *t_ctx, int& totalCount)
{
struct rdma_buf_t *rdma_recv_buf;
TRACE("\n=============== doRecvContTransFileData ======begin=================\n");
char* rdma_recv_payload;
if (!doRDMAReceive(t_ctx, &rdma_recv_buf)) {
ERROR("doRDMAReceive失败.\n");
return false;
}
RDMAResource::GetRDMAPayloadBuf(rdma_recv_buf, rdma_recv_payload);
TRACE("doRDMAReceive成功,Data: %s (长度: %d)\n", rdma_recv_payload, (int) strlen(rdma_recv_payload));
sscanf(rdma_recv_payload, "continue %d", &totalCount);
RDMAResource::PutRDMABuf(t_ctx, rdma_recv_buf);
TRACE("=============== doRecvContTransFileData ======end=================\n");
return true;
}
// 接收端流控:通知发送端可以再发送多少次数据
bool RDMAThread::doSendContTransFileData(struct thread_context_t *t_ctx, int totalCount)
{
struct rdma_resource_t *rdma_resource = t_ctx->rdma_resource;
struct user_param_t *user_param = &(rdma_resource->user_param);
struct rdma_req_t rdma_req;
TRACE("\n=============== doSendContTransFileData ======begin=================\n");
char* rdma_send_payload = NULL;
RDMAResource::GetRDMABuf(t_ctx, rdma_req.rdma_buf);
if (rdma_req.rdma_buf == NULL) {
ERROR("获取RDMA buffer失败.\n");
return false;
}
TRACE("获取RDMA buffer成功.\n");
rdma_req.num_of_oust = 1;
RDMAResource::GetRDMAPayloadBuf(rdma_req.rdma_buf, rdma_send_payload);
if (rdma_send_payload != NULL)
{
sprintf(rdma_send_payload, "continue %d", totalCount);
INFO("[doSendContTransFileData]rdma_send_paylod:%s\n", rdma_send_payload);
}
rdma_req.data_size = RDMA_BUF_HDR_SIZE + strlen(rdma_send_payload);
rdma_req.opcode = user_param->opcode;
if (!doRDMASend(t_ctx, &rdma_req)) {
ERROR("doRDMASend失败.\n");
return false;
}
TRACE("doRDMASend成功, 数据长度: %d\n", (int)strlen(rdma_send_payload));
TRACE("=============== doSendContTransFileData ======end=================\n");
RDMAResource::PutRDMABuf(t_ctx, rdma_req.rdma_buf);
return true;
}
bool RDMAThread::doRDMASend(struct thread_context_t *t_ctx, struct rdma_req_t *rdma_req)
{
struct rdma_resource_t *rdma_resource = t_ctx->rdma_resource;
struct rdma_buf_t *rdma_buf = rdma_req->rdma_buf;
struct ibv_wc wc;
rdma_buf->slid = rdma_resource->port_attr.lid;
rdma_buf->dlid = t_ctx->remote_lid;
rdma_buf->sqpn = t_ctx->qp->qp_num;
rdma_buf->dqpn = t_ctx->remote_qpn;
if(!RDMAOperation::PostSend(t_ctx, rdma_req))
{
ERROR("PostSend执行失败.\n");
return false;
}
TRACE("PostSend执行成功.\n");
if(!getThreadWC(t_ctx, &wc, 1))
{
ERROR("获取wc失败.\n");
return false;
}
TRACE("获取wc成功.\n");
if (wc.status != IBV_WC_SUCCESS)
{
ERROR("拿到坏的完成,状态(wc.status): 0x%x, vendor syndrome: 0x%x, wc.qpnum:%d, wc.qpsrc:%d\n", wc.status, wc.vendor_err, wc.qp_num, wc.src_qp);
return false;
}
return true;
}
bool RDMAThread::doRDMAReceive(struct thread_context_t *t_ctx, struct rdma_buf_t **rdma_buf)
{
struct ibv_wc wc;
if(!getThreadWC(t_ctx, &wc, 0))
{
ERROR("获取wc失败.\n");
return false;