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[/] [plasma/] [trunk/] [kernel/] [http.c] - Rev 406
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/*-------------------------------------------------------------------- * TITLE: Plasma TCP/IP HTTP Server * AUTHOR: Steve Rhoads (rhoadss@yahoo.com) * DATE CREATED: 4/22/06 * FILENAME: http.c * PROJECT: Plasma CPU core * COPYRIGHT: Software placed into the public domain by the author. * Software 'as is' without warranty. Author liable for nothing. * DESCRIPTION: * Plasma TCP/IP HTTP Server *--------------------------------------------------------------------*/ #include "rtos.h" #include "tcpip.h" #ifdef WIN32 #define UartPrintf printf #define OS_MQueueCreate(A,B,C) 0 #define OS_MQueueGet(A,B,C) 0 #define OS_ThreadCreate(A,B,C,D,E) 0 #endif static const char pageGif[]= { "HTTP/1.0 200 OK\r\n" "Content-Length: %d\r\n" "Content-Type: binary/gif\r\n\r\n" }; static const char pageGif2[]= { "HTTP/1.0 200 OK\r\n" "Content-Type: binary/gif\r\n\r\n" }; static const char pageBinary[]= { "HTTP/1.0 200 OK\r\n" "Content-Length: %d\r\n" "Content-Type: binary/binary\r\n\r\n" }; static const char pageBinary2[]= { "HTTP/1.0 200 OK\r\n" "Content-Type: binary/binary\r\n\r\n" }; static const char pageHtml[]={ "HTTP/1.0 200 OK\r\n" "Content-Length: %d\r\n" "Content-Type: text/html\r\n\r\n" }; static const char pageHtml2[]={ "HTTP/1.0 200 OK\r\n" "Content-Type: text/html\r\n\r\n" }; static const char pageText[]={ "HTTP/1.0 200 OK\r\n" "Content-Length: %d\r\n" "Content-Type: text/text\r\n\r\n" }; static const char pageEmpty[]= { "HTTP/1.0 404 OK\r\n" "Content-Length: 0\r\n" "Content-Type: text/html\r\n\r\n" }; static const PageEntry_t *HtmlPages; static int HtmlFiles; void HttpServer(IPSocket *socket) { uint8 buf[600]; char filename[80]; int bytes, i, length, len, needFooter; char *name=NULL, *page=NULL; const char *header, *header2; if(socket == NULL) return; if(socket->funcPtr != HttpServer && socket->funcPtr) { socket->funcPtr(socket); return; } bytes = IPRead(socket, buf, sizeof(buf)-1); if(bytes) { buf[bytes] = 0; if(strncmp((char*)buf, "GET /", 5) == 0) { for(i = 0; ; ++i) { length = HtmlPages[i].length; if(length == -1) break; name = (char*)HtmlPages[i].name; page = (char*)HtmlPages[i].page; len = (int)strlen(name); if(strncmp((char*)buf+4, name, len) == 0) break; } #if defined(WIN32) || defined(INCLUDE_FILESYS) if(length == HTML_LENGTH_LIST_END && HtmlFiles) { FILE *file; char *ptr; name = (char*)buf + 5; ptr = strstr(name, " "); if(ptr) *ptr = 0; strcpy(filename, "/web/"); strncat(filename, name, 60); file = fopen(filename, "rb"); if(file == NULL) { strcpy(filename, "/flash/web/"); strncat(filename, name, 60); file = fopen(filename, "rb"); } if(file) { if(strstr(name, ".htm")) IPWrite(socket, (uint8*)pageHtml2, sizeof(pageHtml2)-1); else if(strstr(name, ".gif")) IPWrite(socket, (uint8*)pageGif2, sizeof(pageGif2)-1); else IPWrite(socket, (uint8*)pageBinary2, sizeof(pageBinary2)-1); for(;;) { len = fread(buf, 1, sizeof(buf), file); if(len == 0) break; IPWrite(socket, (uint8*)buf, len); } fclose(file); IPWriteFlush(socket); IPClose(socket); return; } } #endif if(length != HTML_LENGTH_LIST_END) { if(length == HTML_LENGTH_CALLBACK) { IPCallbackPtr funcPtr = (IPCallbackPtr)(uint32)page; funcPtr(socket, buf, bytes); return; } if(length == 0) length = (int)strlen(page); needFooter = 0; header2 = NULL; if(strstr(name, ".html")) header = pageHtml; else if(strstr(name, ".htm") || strcmp(name, "/ ") == 0) { header = pageHtml; header2 = HtmlPages[0].page; needFooter = 1; } else if(strstr(HtmlPages[i].name, ".gif")) header = pageGif; else header = pageBinary; len = 0; if(header2) len += (int)strlen(header2) + (int)strlen(HtmlPages[1].page); sprintf((char*)buf, header, length + len); IPWrite(socket, buf, (int)strlen((char*)buf)); if(header2) IPWrite(socket, (uint8*)header2, (int)strlen(header2)); IPWrite(socket, (uint8*)page, length); if(needFooter) IPWrite(socket, (uint8*)HtmlPages[1].page, (int)strlen(HtmlPages[1].page)); } else { IPWrite(socket, (uint8*)pageEmpty, (int)strlen(pageEmpty)); } IPClose(socket); } } } void HttpInit(const PageEntry_t *Pages, int UseFiles) { HtmlPages = Pages; HtmlFiles = UseFiles; IPOpen(IP_MODE_TCP, 0, 80, HttpServer); IPOpen(IP_MODE_TCP, 0, 8080, HttpServer); } #ifdef EXAMPLE_HTML //Example test code static void MyProg(IPSocket *socket, char *request, int bytes) { char *text="HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" "<html><body>Hello World!</body></html>"; (void)request; (void)bytes; IPWrite(socket, (uint8*)text, (int)strlen(text)); IPClose(socket); } static const PageEntry_t pageEntry[]= { //name, length, htmlText {"/Header", 0, "<HTML><HEAD><TITLE>Plasma CPU</TITLE></HEAD>\n<BODY>"}, {"/Footer", 0, "</BODY></HTML>"}, {"/ ", 0, "<h2>Home Page</h2>Welcome! <a href='/other.htm'>Other</a>" " <a href='/cgi/myprog'>myprog</a>"}, {"/other.htm ", 0, "<h2>Other</h2>Other."}, //{"/binary/plasma.gif ", 1945, PlasmaGif}, {"/cgi/myprog", HTML_LENGTH_CALLBACK, (char*)(int)MyProg}, {"", HTML_LENGTH_LIST_END, NULL} }; void HtmlInit(int UseFiles) { (void)UseFiles; HttpInit(pageEntry, 1); } #endif
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