TCP文件传输工具代码,C代码库,德仔网

代码语言
代码分类
【C】 TCP文件传输工具
作者:开源好朋友 / 发布于2015/5/19/ 1044

	#ifndef _SOCK_BASE_H_
	#define _SOCK_BASE_H_
	
	#include <string>
	
	#define SERVER_PORT 50000
	
	#pragma pack(push,1)
	
	class CSocket
	{
	public:
	 CSocket();
	 ~CSocket();
	
	 typedef struct stFileHeader
	 {
	 char flag[5]; //报文头标识
	 int uMessageLength; //后续整个文件的完整报文长度
	 int uFileNameLength; //文件名的长度，暂时不考虑路径，只有文件名
	 }TFileHeader, *LPFileHeader;
	
	 typedef struct stThreadParam
	 {
	 void * pParam;
	 int sockfd;
	 }TThreadParam, *LPThreadParam;
	
	 int CreateSockServerTcp(unsigned short uBindPort = 10086, int nNum = 10);
	
	 int ConnectSockClientTcp(std::string strServIP, unsigned short uBindPort = 10086);
	
	 int SmallToBigEndian(unsigned char *pData, unsigned int uDataLen);
	
	 int BigToSmallEndian(unsigned char *pData, unsigned int uDataLen);
	};
	
	#endif
	2. [文件] sockbase.cpp ~ 2KB 下载(1)
	?
	1
	2
	3
	4
	5
	6
	7
	8
	9
	10
	11
	12
	13
	14
	15
	16
	17
	18
	19
	20
	21
	22
	23
	24
	25
	26
	27
	28
	29
	30
	31
	32
	33
	34
	35
	36
	37
	38
	39
	40
	41
	42
	43
	44
	45
	46
	47
	48
	49
	50
	51
	52
	53
	54
	55
	56
	57
	58
	59
	60
	61
	62
	63
	64
	65
	66
	67
	68
	69
	70
	71
	72
	73
	74
	75
	76
	77
	78
	79
	80
	81
	82
	83
	84
	85
	86
	87
	88
	89
	90
	91
	92
	93
	94
	95
	96
	97
	98
	99
	100
	101
	102
	103
	104
	105
	106
	107
	108
	109
	110
	111
	112
	113
	114
	#include "sockbase.h"
	#include <sys/socket.h>
	#include <arpa/inet.h>
	#include <iostream>
	
	using namespace std;
	
	CSocket::CSocket()
	{
	
	}
	
	CSocket::~CSocket()
	{
	
	}
	
	int
	CSocket::CreateSockServerTcp(unsigned short uBindPort, int nNum)
	{
	 int sockserverfd;
	
	 //创建套接字
	 sockserverfd = socket(AF_INET,(int)SOCK_STREAM,0);
	
	 if (-1 == sockserverfd)
	 {
	 return sockserverfd;
	 }
	
	 //创建套接字成功,先设置套接字地址结构
	 sockaddr_in servaddr;
	 servaddr.sin_family = AF_INET;
	 servaddr.sin_addr.s_addr = INADDR_ANY;
	 servaddr.sin_port = htons(uBindPort);
	
	 //绑定套接字
	 int nRet = bind(sockserverfd, (sockaddr *)&servaddr, static_cast<socklen_t>(sizeof (servaddr)));
	
	 if (-1 == nRet)
	 {
	 close(sockserverfd);
	 sockserverfd = -1;
	 return sockserverfd;
	 }
	
	 //绑定套接字成功,现在对套接字设置监听
	 nRet = listen(sockserverfd, nNum);
	
	 if( -1 == nRet)
	 {
	 close(sockserverfd);
	 sockserverfd = -1;
	 return sockserverfd;
	 }
	
	 return sockserverfd;
	}
	
	int
	CSocket::ConnectSockClientTcp(string strServIP, unsigned short uBindPort )
	{
	 int sockclientfd;
	
	 //创建套接字
	 sockclientfd = socket(AF_INET,(int)SOCK_STREAM,0);
	
	 if (-1 == sockclientfd)
	 {
	 return sockclientfd;
	 }
	
	 //创建套接字成功,先设置套接字地址结构
	 sockaddr_in servaddr;
	 servaddr.sin_family = AF_INET;
	 servaddr.sin_addr.s_addr = inet_addr(strServIP.c_str());
	 servaddr.sin_port = htons(uBindPort);
	
	 int nRet = connect(sockclientfd, (sockaddr *)&servaddr, sizeof(servaddr));
	 if( -1 == nRet)
	 {
	 close(sockclientfd);
	 sockclientfd = -1;
	 return sockclientfd;
	 }
	
	 return sockclientfd;
	}
	
	int
	CSocket::SmallToBigEndian(unsigned char *pData, unsigned int uDataLen)
	{
	 unsigned char *pStart = pData;
	 unsigned char *pEnd = pData + uDataLen - 1;
	 unsigned char cTmp;
	
	 while(pEnd > pStart)
	 {
	 cTmp = *pStart;
	 *pStart = *pEnd;
	 *pEnd = cTmp;
	
	 ++pStart;
	 --pEnd;
	 }
	
	 return 0;
	}
	
	int
	CSocket::BigToSmallEndian(unsigned char *pData, unsigned int uDataLen)
	{
	 return SmallToBigEndian(pData, uDataLen);
	}

	

	

	

	#ifndef _SOCK_CLIENT_H_
	#define _SOCK_CLIENT_H_
	
	#include <string>
	#include "sockbase.h"
	using namespace std;
	
	class CSockClient :public CSocket
	{
	public:
	
	 CSockClient();
	 ~CSockClient();
	
	 int
	 ConnectServer(string strServerIP);
	
	 int
	 SendFile(string strFile, int sockfd);
	};
	
	#endif

	

	#include "sockclient.h"
	
	#include <sys/socket.h>
	#include <arpa/inet.h>
	#include <errno.h>
	#include <iostream>
	#include <fstream>
	
	const int MAXLINE = 1*1024*1024;
	
	CSockClient::CSockClient()
	{
	
	}
	
	CSockClient::~CSockClient()
	{
	
	}
	
	int
	CSockClient::ConnectServer(string strServerIP)
	{
	 int sockfd;
	
	 sockfd = ConnectSockClientTcp(strServerIP, SERVER_PORT);
	
	 if (-1 == sockfd)
	 {
	 cout<<"客户端连接服务器失败"<<endl;
	 return -1;
	 }
	
	 //设置套接字选项SO_SNDBUF：设置分配给套接字的数据发送缓冲区的大小。选项值类型:整数
	 int nRet = setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, (const char*)&MAXLINE, sizeof(unsigned int));
	
	 if (0 != nRet)
	 {
	 cout<<"set sock option no_linger failed !err:%s"<<strerror(errno);
	 return -1;
	 }
	
	 return sockfd;
	}
	
	int
	CSockClient::SendFile(string strFile, int sockfd)
	{
	 if (-1 == sockfd)
	 {
	 cout<<"SendFile函数,错误的参数"<<endl;
	 }
	
	 ifstream fstreamIn;
	 fstreamIn.open(strFile.c_str(), ios::binary | ios::in);
	
	 if (!fstreamIn)
	 {
	 cout<<"打开文件失败"<<endl;
	 return -1;
	 }
	
	 string file ;
	 unsigned int upos = 0;
	 if (string::npos == (upos = strFile.find_last_of('/')))
	 {
	 file = strFile;
	 }
	 else
	 {
	 file = strFile.substr(upos + 1);
	 }
	
	
	 cout<<"文件名是:"<<file<<endl;
	
	 char szSendBuf[MAXLINE] = {0};
	 LPFileHeader pFileHeader = (LPFileHeader)szSendBuf;
	 strcpy(pFileHeader->flag, "YRCUC");
	 //大小端转换
	
	 pFileHeader->uFileNameLength = file.length();
	 fstreamIn.seekg(0, ios::end);
	 upos = fstreamIn.tellg();
	 cout<<"文件总长度是"<<upos<<endl;
	
	
	 pFileHeader->uMessageLength = sizeof(TFileHeader) + pFileHeader->uFileNameLength + upos;
	 cout<<"报文总长是:"<<pFileHeader->uMessageLength<<endl;
	
	 SmallToBigEndian((unsigned char *)&pFileHeader->uFileNameLength, sizeof(pFileHeader->uFileNameLength));
	
	 SmallToBigEndian((unsigned char *)&pFileHeader->uMessageLength, sizeof(pFileHeader->uMessageLength));
	
	 unsigned int uOffset = 0;
	
	 uOffset += sizeof(TFileHeader);
	
	 memcpy( szSendBuf + uOffset, file.c_str(), file.length()); //发送文件名
	
	 uOffset += file.length();
	
	 int nRet = 0;
	 nRet = send(sockfd, szSendBuf, uOffset, 0);
	 if (nRet <= 0)
	 {
	 cout<<"send "<<uOffset << " bytes failed, msg:"<<strerror(errno);
	 return nRet;
	 }
	
	 cout<<"发送报文长度"<<nRet<<"实际长度:"<<uOffset<<endl;
	 fstreamIn.seekg(ios::beg);
	
	 memset(szSendBuf, 0, sizeof(szSendBuf));
	 int uDataSet = 0;
	
	 while(uDataSet < upos) //循环读取数据，发送文件
	 {
	 fstreamIn.read(szSendBuf, MAXLINE - 1);
	 cout<<"获取到的长度是:"<<fstreamIn.gcount()<<endl;
	 nRet = send(sockfd, szSendBuf, fstreamIn.gcount(), 0);
	 if (nRet <= 0)
	 {
	 cout<<"send "<<strlen(szSendBuf) << " bytes failed, msg:"<<strerror(errno);
	 break;
	 }
	
	 uDataSet += nRet;
	 uOffset += nRet;
	 }
	
	 cout<<"文件读取完毕,发送"<<uDataSet<<"报文总长:"<<uOffset<<"数据"<<endl;
	 return 0;
	}
	
	
	
	
	int main(int argc, char **argv)
	{
	 if (argc < 3)
	 {
	 cout<<"输入参数不合法，请输入[服务器ip] [--文件名称]"<<endl;
	 return -1;
	 }
	
	 CSockClient sockclient;
	 int sock = sockclient.ConnectServer(argv[1]);
	
	 if (-1 == sock)
	 {
	 cout<<"连接服务器失败"<<endl;
	 return -1;
	 }
	
	 for (int i = 2; i < argc; ++i)
	 {
	 sockclient.SendFile(argv[i], sock);
	 }
	
	
	
	 while (1)
	 {
	 sleep(1);
	 }
	 close(sock);
	 cout<<"套接字关闭"<<endl;
	 return 0;
	}

	

	#ifndef _SOCK_SERVER_H_
	#define _SOCK_SERVER_H_
	
	#include "sockbase.h"
	
	class CSockServer : public CSocket
	{
	public:
	 CSockServer();
	 ~CSockServer();
	
	
	 int
	 AcceptConnection();
	
	 static void *
	 RecvFileThread(void * vpParam);
	
	 int
	 RecvFile(int sockfd);
	};
	
	#endif
	6. [文件] sockserver.cpp ~ 5KB 下载(1)
	?
	1
	2
	3
	4
	5
	6
	7
	8
	9
	10
	11
	12
	13
	14
	15
	16
	17
	18
	19
	20
	21
	22
	23
	24
	25
	26
	27
	28
	29
	30
	31
	32
	33
	34
	35
	36
	37
	38
	39
	40
	41
	42
	43
	44
	45
	46
	47
	48
	49
	50
	51
	52
	53
	54
	55
	56
	57
	58
	59
	60
	61
	62
	63
	64
	65
	66
	67
	68
	69
	70
	71
	72
	73
	74
	75
	76
	77
	78
	79
	80
	81
	82
	83
	84
	85
	86
	87
	88
	89
	90
	91
	92
	93
	94
	95
	96
	97
	98
	99
	100
	101
	102
	103
	104
	105
	106
	107
	108
	109
	110
	111
	112
	113
	114
	115
	116
	117
	118
	119
	120
	121
	122
	123
	124
	125
	126
	127
	128
	129
	130
	131
	132
	133
	134
	135
	136
	137
	138
	139
	140
	141
	142
	143
	144
	145
	146
	147
	148
	149
	150
	151
	152
	153
	154
	155
	156
	157
	158
	159
	160
	161
	162
	163
	164
	165
	166
	167
	168
	169
	170
	171
	172
	173
	174
	175
	176
	177
	178
	179
	180
	181
	182
	183
	184
	185
	186
	187
	188
	189
	190
	191
	192
	193
	194
	195
	196
	197
	198
	199
	200
	201
	202
	203
	204
	205
	206
	207
	208
	209
	210
	211
	212
	213
	214
	215
	216
	217
	218
	219
	220
	221
	222
	223
	224
	225
	226
	227
	228
	229
	230
	231
	232
	233
	234
	235
	236
	237
	#include "sockserver.h"
	#include <sys/socket.h>
	#include <arpa/inet.h>
	#include <errno.h>
	#include <iostream>
	#include <fstream>
	
	const int MAXLINE = 1*1024*1024;
	
	using namespace std;
	CSockServer::CSockServer()
	{
	
	}
	
	CSockServer::~CSockServer()
	{
	
	}
	
	int
	CSockServer::AcceptConnection()
	{
	 int sockfd;
	
	
	 int nNum = 20;
	 sockfd = CreateSockServerTcp(SERVER_PORT, nNum);
	
	 if (-1 == sockfd)
	 {
	 cout<<"创建服务器套接字失败"<<endl;
	 return -1;
	 }
	
	 sockaddr_in cliaddr;
	 socklen_t socClientLen;
	 int connfd;
	
	 pthread_attr_t attr;
	 pthread_attr_init(&attr);
	 pthread_attr_setscope(&attr, PTHREAD_SCOPE_PROCESS);
	 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED );
	
	 pthread_t tThreadT;
	 LPThreadParam pThreadParam = NULL;
	 while(1)
	 {
	 connfd = accept(sockfd,(sockaddr *)&cliaddr,&socClientLen);
	
	 if( -1 == connfd)
	 {
	 cout<<"连接失败"<<endl;
	 return -1;
	 }
	
	 cout<<"客户端:"<<inet_ntoa(cliaddr.sin_addr)<<"连接服务器成功"<<endl;
	 pThreadParam = new TThreadParam;
	
	 pThreadParam->pParam = this;
	 pThreadParam->sockfd = connfd;
	
	 if (pthread_create(&tThreadT, &attr, RecvFileThread, pThreadParam))
	 {
	 cout<<"create RecvFileThread failed"<<endl;
	 return -1;
	 }
	
	 pthread_attr_destroy(&attr);
	 }
	
	 return 0;
	}
	
	void *
	CSockServer::RecvFileThread(void * vpParam)
	{
	 if (NULL == vpParam)
	 {
	 return (void *)1;
	 }
	
	 LPThreadParam pTheadParam = (LPThreadParam)vpParam ;
	
	 CSockServer * pSockServer = (CSockServer *) pTheadParam->pParam;
	 cout<<"创建线程"<<endl;
	 pSockServer->RecvFile(pTheadParam->sockfd);
	}
	
	int
	CSockServer::RecvFile(int sockfd)
	{
	 if (-1 == sockfd)
	 {
	 return -1;
	 }
	
	 //设置socket超时
	 struct timeval timeout;
	 timeout.tv_sec = 3;
	 timeout.tv_usec = 0;
	
	 fd_set readfds;
	
	
	 char * szBuffer = new char[MAXLINE];
	
	 int nDataLen = 0;
	 int nHeadLen = 0;
	 int nFileLen = 0;
	 LPFileHeader pFileHeader = NULL;
	 unsigned int uOffset = 0;
	 char szFileName[100] = {0};
	 ofstream fstreamOut ;
	 int nRet = 0;
	 //设置套接字选项SO_RCVBUF：面向接收操作，为每个套接字分别获取或设置缓冲区长度。选项值类型:整数
	 nRet = setsockopt(sockfd, SOL_SOCKET, SO_RCVBUF, (const char*)&MAXLINE, sizeof(unsigned int));
	
	 if (0 != nRet)
	 {
	 cout<<"set sock option no_linger failed !err:%s"<<strerror(errno);
	 return -1;
	 }
	
	 int nFile = 0;
	 while(1)
	 {
	 //使用select模式
	 FD_ZERO(&readfds);
	 FD_SET(sockfd, &readfds);
	
	 if(1 != select(sockfd+1, &readfds, NULL, NULL, &timeout)) //返回对应位仍然为1的fd的总数。注意啦：只有那些可读，可写以及有异常条件待处理的fd位仍然为1。否则为0哦
	 {
	// WRITELOG(LOG_ERROR, "set timeout failed");
	 usleep(10);
	 continue;
	 }
	
	 //套接字已就绪，可以读取数据
	 if(FD_ISSET(sockfd, &readfds)) //用于测试指定的文件描述符是否在该集合中
	 {
	 memset(szBuffer, 0, MAXLINE);
	
	 //先窥探
	 nRet = recv(sockfd, szBuffer, MAXLINE, MSG_PEEK);
	 if (nRet <= 0)
	 {
	 cout<<"对端关闭"<<endl;
	 close(sockfd);
	 return nRet;
	 }
	
	 pFileHeader = (LPFileHeader)szBuffer;
	 if (0 != strcmp(pFileHeader->flag, "YRCUC")) //非报文头
	 {
	 fstreamOut.open(szFileName, ios::app | ios::binary);
	 if (!fstreamOut)
	 {
	 cout<<"打开文件:"<<szFileName<<"失败"<<endl;
	 }
	
	 if (uOffset + nRet >= nDataLen) //包含有另外个数据包的数据
	 {
	 nRet = recv(sockfd, szBuffer, nDataLen - uOffset, 0);
	 fstreamOut.write(szBuffer, nRet);
	 cout<<"文件["<<szFileName<<"]读取完毕"<<endl;
	 uOffset = 0;
	 }
	 else
	 {
	 nRet = recv(sockfd, szBuffer, MAXLINE, 0);
	 fstreamOut.write(szBuffer, nRet);
	 uOffset += nRet;
	 }
	
	 nFile += nRet;
	 cout<<"本次收到的数据大小是:"<<nRet<<"已收到数据"<<nFile<<endl;
	
	 fstreamOut.close();
	 }
	 else //报文头
	 {
	 cout<<"---------------------报文头"<<endl;
	 //大端转换小端
	 BigToSmallEndian((unsigned char *)&pFileHeader->uFileNameLength, sizeof(pFileHeader->uFileNameLength));
	 BigToSmallEndian((unsigned char *)&pFileHeader->uMessageLength, sizeof(pFileHeader->uMessageLength));
	 nDataLen = pFileHeader->uMessageLength;
	 nHeadLen = sizeof(TFileHeader); //报文头长度
	
	 nFileLen = pFileHeader->uFileNameLength;
	 int nLen = nHeadLen + nFileLen;
	 cout<<"报文头长度是"<<nHeadLen<<",文件长度是:"<<pFileHeader->uFileNameLength<<endl;
	
	 memset(szBuffer, 0, MAXLINE);
	 //读取报文头+文件名长度的数据
	 cout<<"read的长度是"<<nLen<<endl;
	
	 nRet = recv(sockfd, szBuffer, nLen, 0);
	 if (nRet <= 0)
	 {
	 cout<<"对端关闭"<<endl;
	 close(sockfd);
	 return nRet;
	 }
	
	 memset(szFileName, 0, sizeof(szFileName));
	
	 //文件名
	 memcpy(szFileName, szBuffer + nHeadLen , nFileLen);
	
	 szFileName[nFileLen] = '\0';
	 uOffset = nLen;
	 cout<<"文件"<<szFileName<<"的总报文长是:"<<nDataLen<<endl;
	 }
	
	 cout<<"数据读取完毕，等待下一轮读取"<<endl;
	 }
	 }
	
	 delete [] szBuffer;
	 return 0;
	}
	
	int main()
	{
	 CSockServer sockserver;
	 sockserver.AcceptConnection();
	 while (1)
	 {
	 sleep(1);
	 }
	
	 return 0;
	
	}

	

	int
	CSockClient::SendFile(string strFile, int sockfd)
	{
	 if (-1 == sockfd)
	 {
	 cout<<"SendFile函数,错误的参数"<<endl;
	 }
	
	 ifstream fstreamIn;
	 fstreamIn.open(strFile.c_str(), ios::binary | ios::in);
	
	 if (!fstreamIn)
	 {
	 cout<<"打开文件失败"<<endl;
	 return -1;
	 }
	
	 string file ;
	 unsigned int upos = 0;
	 if (string::npos == (upos = strFile.find_last_of('/')))
	 {
	 file = strFile;
	 }
	 else
	 {
	 file = strFile.substr(upos + 1);
	 }
	
	
	 cout<<"文件名是:"<<file<<endl;
	
	 char szSendBuf[MAXLINE] = {0};
	 LPFileHeader pFileHeader = (LPFileHeader)szSendBuf;
	 strcpy(pFileHeader->flag, "YRCUC");
	 //大小端转换
	
	 pFileHeader->uFileNameLength = file.length();
	 fstreamIn.seekg(0, ios::end);
	 upos = fstreamIn.tellg();
	 cout<<"文件总长度是"<<upos<<endl;
	
	
	 pFileHeader->uMessageLength = sizeof(TFileHeader) + pFileHeader->uFileNameLength + upos;
	 cout<<"报文总长是:"<<pFileHeader->uMessageLength<<endl;
	
	 SmallToBigEndian((unsigned char *)&pFileHeader->uFileNameLength, sizeof(pFileHeader->uFileNameLength));
	
	 SmallToBigEndian((unsigned char *)&pFileHeader->uMessageLength, sizeof(pFileHeader->uMessageLength));
	
	 unsigned int uOffset = 0;
	
	 uOffset += sizeof(TFileHeader);
	
	 memcpy( szSendBuf + uOffset, file.c_str(), file.length()); //发送文件名
	
	 uOffset += file.length();
	
	 int nRet = 0;
	 nRet = send(sockfd, szSendBuf, uOffset, 0);
	 if (nRet <= 0)
	 {
	 cout<<"send "<<uOffset << " bytes failed, msg:"<<strerror(errno);
	 return nRet;
	 }
	
	 cout<<"发送报文长度"<<nRet<<"实际长度:"<<uOffset<<endl;
	 fstreamIn.seekg(ios::beg);
	
	 memset(szSendBuf, 0, sizeof(szSendBuf));
	 int uDataSet = 0;
	
	 while(uDataSet < upos) //循环读取数据，发送文件
	 {
	 fstreamIn.read(szSendBuf, MAXLINE - 1);
	 cout<<"获取到的长度是:"<<fstreamIn.gcount()<<endl;
	 nRet = send(sockfd, szSendBuf, fstreamIn.gcount(), 0);
	 if (nRet <= 0)
	 {
	 cout<<"send "<<strlen(szSendBuf) << " bytes failed, msg:"<<strerror(errno);
	 break;
	 }
	
	 uDataSet += nRet;
	 uOffset += nRet;
	 }
	
	 cout<<"文件读取完毕,发送"<<uDataSet<<"报文总长:"<<uOffset<<"数据"<<endl;
	 return 0;
	}
评论列表
本站所提供的代码，版权归原作者所有，若有侵犯作者版权，请与我们联系，我们将立即删除或修改。谢谢!
本站所有代码发布及提供者。
试试其它关键字
　TCP文件　　传输工具　　文件传输　
同语言下
可能有用的
开源好朋友贡献的其它代码(2)