📄 server~1.cpp

📁 《vc++技术内墓》附带源码
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// serverthread.cpp#include <stdafx.h>#include "blocksock.h"#include "utility.h"#define SERVERMAXBUF 5000#define MAXLINELENGTH 100//#define USE_TRANSMITFILE // uncomment if you have Windows NTvolatile BOOL g_bListening = FALSE;volatile UINT g_nPortServer = 80;CString g_strDirect = "\\vcpp32\\ex30a\\WebSite";CString g_strIPServer;CString g_strDefault = "default.htm";CBlockingSocket g_sListen;BOOL Parse(char* pStr, char** ppToken1, char** ppToken2)// really stupid parsing routine// (must find two tokens, each followed by a space){	*ppToken1 = pStr;	char* pch = strchr(pStr, ' ');	if(pch) {		*pch = '\0';		pch++;		*ppToken2 = pch;		pch = strchr(pch, ' ');		if(pch) {			*pch = '\0';			return TRUE;		}	}	return FALSE;}void LogRequest(LPVOID pParam, char* pch, CSockAddr sa){	// pParam holds the HWND for the destination window (in another thread)	CString strGmt = CTime::GetCurrentTime().FormatGmt("%m/%d/%y %H:%M:%S GMT");	char text1[1000];	wsprintf(text1, "SERVER CONNECTION # %d: IP addr = %s, port = %d -- %s\r\n",		g_nConnection, sa.DottedDecimal(), sa.Port(),  (const char*) strGmt);	strcat(text1, pch);	::SendMessage((HWND) pParam, EM_SETSEL, (WPARAM) 65534, 65535);	::SendMessage((HWND) pParam, EM_REPLACESEL, (WPARAM) 0, (LPARAM) text1);}CFile* OpenFile(const char* pName){	// if it's really a directory, open the default HTML file	CFileException e;	CFile* pFile = new CFile();	if(*pName == '/') pName++;	CString strName = pName;	if(pFile->Open(strName, CFile::modeRead, &e)) {		return pFile;	}	if((e.m_cause == CFileException::accessDenied) ||			(e.m_cause == CFileException::badPath)) { // directory?		int nLength;		// add a / unless it's the "root" directory		if((nLength = strName.GetLength()) > 1) {			if(strName[nLength - 1] != '/') {				strName += '/';			}		}		strName += g_strDefault;		if(pFile->Open(strName, CFile::modeRead, &e)) {			return pFile;		}	}	delete pFile;	return NULL;}UINT ServerThreadProc(LPVOID pParam){	CSockAddr saClient;	CHttpBlockingSocket sConnect;	char* buffer = new char[SERVERMAXBUF];	char message[100], headers[500], request1[MAXLINELENGTH],  request2[MAXLINELENGTH];	char hdrErr[] = "HTTP/1.0 404 Object Not Found\r\n"				   "Server: Inside Visual C++ SOCK01\r\n"				   "Content-Type: text/html\r\n"				   "Accept-Ranges: bytes\r\n"				   "Content-Length: 66\r\n\r\n" // WinInet wants correct length				   "<html><h1><body>HTTP/1.0 404 Object Not Found</h1></body></html>\r\n";	char hdrFmt[] = "HTTP/1.0 200 OK\r\n"				   "Server: Inside Visual C++ EX30A\r\n"				   "Date: %s\r\n"				   "Content-Type: text/html\r\n"				   "Accept-Ranges: bytes\r\n"				   "Content-Length: %d\r\n";	char html1[] = "<html><head><title>Inside Visual C++ \		               Server</title></head>\r\n"				   "<body><body background=\"/samples/images/usa1.jpg\">\r\n"				   "<h1><center>This is a custom home page</center></h1><p>\r\n"				   "<a href=\"/samples/iisdocs.htm\">Click here for iisdocs.htm.</a><p>\r\n"				   "<a href=\"/samples/disclaim.htm\">Click here for disclaim.htm.</a><p>\r\n";					// custom message goes here	char html2[] = "</body></html>\r\n\r\n";	CString strGmtNow = CTime::GetCurrentTime().FormatGmt("%a, %d %b %Y %H:%M:%S GMT");	int nBytesSent = 0;	CFile* pFile = NULL;	try {		if(!g_sListen.Accept(sConnect, saClient)) {			// view or application closed the listing socket			g_bListening = FALSE;			delete [] buffer;			return 0;		}		g_nConnection++;		AfxBeginThread(ServerThreadProc, pParam, THREAD_PRIORITY_NORMAL);		// read request from client		sConnect.ReadHttpHeaderLine(request1, MAXLINELENGTH, 10);		LogRequest(pParam, request1, saClient);		char* pToken1; char* pToken2;		if(Parse(request1, &pToken1, &pToken2)) {			if(!stricmp(pToken1, "GET")) {				do { // eat the remaining headers					sConnect.ReadHttpHeaderLine(request2, MAXLINELENGTH, 10);					TRACE("SERVER: %s", request2);				}				while(strcmp(request2, "\r\n"));				if(!stricmp(pToken2, "/custom")) { // special request					// send a "custom" HTML  page					wsprintf(message, "Hi! you are connection #%d on IP %s, port %d<p>%s",							g_nConnection, saClient.DottedDecimal(), saClient.Port(), strGmtNow);					wsprintf(headers, hdrFmt, (const char*) strGmtNow, strlen(html1)									+ strlen(message) + strlen(html2));					// no If-Modified					strcat(headers, "\r\n"); // blank line					sConnect.Write(headers, strlen(headers), 10);					sConnect.Write(html1, strlen(html1), 10);					sConnect.Write(message, strlen(message), 10);					sConnect.Write(html2, strlen(html2), 10);				}				else if(strchr(pToken2, '?')) { // CGI request					// Netscape doesn't pass function name in a GET					TRACE("SERVER: CGI request detected %s\n", pToken2);					// could load and run the ISAPI DLL here				}				else { // must be a file					// assumme this program has already set the default WWW directory					if((pFile = OpenFile(pToken2)) != NULL) {						CFileStatus fileStatus;						pFile->GetStatus(fileStatus);						CString strGmtMod = fileStatus.m_mtime.FormatGmt("%a, %d %b %Y %H:%M:%S GMT");						char hdrModified[50];						wsprintf(hdrModified, "Last-Modified: %s\r\n\r\n", (const char*) strGmtMod);						DWORD dwLength = pFile->GetLength();						// Date: , Content-Length:						wsprintf(headers, hdrFmt,  (const char*) strGmtNow, dwLength);						strcat(headers, hdrModified);						nBytesSent = sConnect.Write(headers, strlen(headers), 10);						TRACE("SERVER: header characters sent = %d\n", nBytesSent);						// would be a good idea to send the file only if the If-Modified-Since date						// were less than the file's m_mtime						nBytesSent = 0;#ifdef USE_TRANSMITFILE						if(::TransmitFile(sConnect, (HANDLE) pFile->m_hFile, dwLength,								0, NULL, NULL, TF_DISCONNECT)) {							nBytesSent = (int) dwLength;						}#else						DWORD dwBytesRead = 0;						UINT uBytesToRead;						// send file in small chunks (5K) to avoid big memory alloc overhead						while(dwBytesRead < dwLength) {							uBytesToRead = min(SERVERMAXBUF, dwLength - dwBytesRead);							VERIFY(pFile->Read(buffer, uBytesToRead) == uBytesToRead);							nBytesSent += sConnect.Write(buffer, uBytesToRead, 10);							dwBytesRead += uBytesToRead;						}#endif						TRACE("SERVER: full file sent successfully\n");					}					else {						nBytesSent = sConnect.Write(hdrErr, strlen(hdrErr), 10); // 404 Object Not Found					}				}			}			else if(!stricmp(pToken1, "POST")) {				do { // eat the remaining headers thru blank line					sConnect.ReadHttpHeaderLine(request2, MAXLINELENGTH, 10);					TRACE("SERVER: POST %s", request2);				}				while(strcmp(request2, "\r\n"));				// read the data line sent by the client				sConnect.ReadHttpHeaderLine(request2, MAXLINELENGTH, 10);				TRACE("SERVER: POST PARAMETERS = %s\n", request2);				LogRequest(pParam, request2, saClient);				// launch ISAPI DLL here?				nBytesSent = sConnect.Write(hdrErr, strlen(hdrErr), 10); // 404 error for now			}			else {				TRACE("SERVER: %s (not a GET or POST)\n", pToken1);				// don't know how to eat the headers			}		}		else {			TRACE("SERVER: bad request\n");		}		sConnect.Close(); // destructor can't close it	}	catch(CBlockingSocketException* pe) {		LogBlockingSocketException(pParam, "SERVER:", pe);		pe->Delete();	}	TRACE("SERVER: file characters sent = %d\n", nBytesSent);	delete [] buffer;	if(pFile) delete pFile;	return 0;}
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