孙 毅明
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123
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Dependencies: EthernetInterface SDFileSystem mbed-rtos mbed
Diff: main.cpp
- Revision:
- 1:6465a3f5c58a
- Parent:
- 0:610235504baa
--- a/main.cpp Mon Mar 05 14:58:17 2018 +0000
+++ b/main.cpp Tue Mar 06 08:53:46 2018 +0000
@@ -1,371 +1,51 @@
#include "mbed.h"
-#include "EthernetInterface.h"
-#include "SDFileSystem.h"
#include "rtos.h"
-#define EnDebugMSG false //true-> print debug message to PC USB terminal, false->not print
-#include "filelib.h"
-
-#define IP "192.168.100.100"
-#define MASK "255.255.255.0"
-#define GATEWAY "192.168.100.1"
-#define PORT 80
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
-Serial pc (USBTX,USBRX); // tx, rx
-SDFileSystem sd(SD_MOSI, SD_MISO, SD_SCK, SD_CS, "wfs"); // the pinout on the mbed
-
-char sMethod[7];
-char sURL[250];
-char sProtocol[8];
-
-EthernetInterface eth;
+Serial pc(PC_6,PC_7);
+uint16_t ledvalue=0;
+uint16_t ledvalue2=0;
+Ticker tick;
+void setLed(uint8_t val)
+{
+ // led1=val % 2;
-TCPSocketServer svr;
-bool serverIsListened = false;
+ led2=(val /2 ) % 2;
-TCPSocketConnection client;
-bool clientIsConnected = false;
+ led3=(val /4 ) % 2;
-char sentBuffer[1608] = {}; // 2*536=1072, 3*536=1608, 4*536=2144 !1500
-char line_response[256]= {0};
-char file_path[256] = {0};
+ led4=(val /5 ) % 2;
+}
-DigitalOut led1(LED1); //server listning status
-DigitalOut led2(LED2); //socket connecting status
-
-Ticker ledTick;
-
-void ledTickfunc()
+void printstr(void const *args)
{
- if(serverIsListened) {
- led1 = !led1;
- } else {
- led1 = false;
+ while (true) {
+ pc.printf("Hello World,Now value is %d.\n",ledvalue);
+ // pc.printf("Hello World,Now value is %d.\n",*(uint8_t *)args);
+ Thread::wait(1000);
}
}
-void send_HTTP_header(char* protocol, int code, char* title, char* mime_type, long long lengthBody)
-{
- snprintf(line_response, sizeof(line_response),"%s %d %s\r\n", protocol, code, title );
- snprintf(sentBuffer, sizeof(sentBuffer),"%s",line_response);
-
- if ( mime_type != NULL ) {
- snprintf(line_response, sizeof(line_response), "Content-Type: %s\r\n", mime_type );
- snprintf(sentBuffer, sizeof(sentBuffer), "%s%s",sentBuffer,line_response); //append to sentBuffer
- }
- if ( lengthBody >= 0 ) {
- snprintf(line_response, sizeof(line_response), "Content-Length: %lld\r\n", lengthBody );
- snprintf(sentBuffer, sizeof(sentBuffer), "%s%s",sentBuffer,line_response); //append to sentBuffer
- }
- snprintf(line_response, sizeof(line_response), "Connection: close\r\n" );
- snprintf(sentBuffer, sizeof(sentBuffer),"%s%s\r\n",sentBuffer,line_response); //append to sentBuffer
-
- if (EnDebugMSG)
- printf("\n-->sent Header--\n");
-
- client.send_all(sentBuffer,strlen(sentBuffer));
- if (EnDebugMSG) {
- printf(sentBuffer);
- printf("\n--end Header-- bytes:%d",strlen(sentBuffer));
- }
- Thread::wait(200); //200ms important for browser!
-}
-
-void send_HTML_line(char* line, unsigned int length_line)
-{
- client.send_all(line,length_line);
- if (EnDebugMSG)
- printf("\n-->send HTML line:\n%s ...Ok!",line);
- Thread::wait(10);
-}
-
-void send_HTML_error( int status_code, char* title, char* body_text)
-{
- send_HTTP_header("HTTP/1.1", status_code, title, "text/html", -1);
- if (EnDebugMSG)
- printf("\n-->send_error...\n");
- sentBuffer[0]=NULL; //clear buffer
- sprintf(line_response, "<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<title>%d %s</title>\r\n</head>\r\n", status_code, title);
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
- sprintf(line_response, "<body><center><h2><center>%d %s</center></h2>\r\n",status_code, title );
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
- sprintf(line_response, "%s\r\n", body_text );
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
- sprintf(line_response, "<p>mbed HTTP File Server</p>\r\n</center></body></html>\r\n");
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
- send_HTML_line(sentBuffer, strlen(sentBuffer));
-}
-
-int send_file(char *path_file)
-{
- char *mime_type = {0};
- unsigned int bytes_for_send=0;
- long long filesize, all_send_bytes = 0;
-
- mime_type = get_mime_type( path_file );
- snprintf(file_path, sizeof(file_path),"/wfs/%s",path_file);
- if (EnDebugMSG) {
- printf("\n-->from send_file:%s",file_path);
- printf("\n-->from send_file mime type:%s",mime_type);
- }
-
- if (Mystat(path_file, &myStatBuf)) { //fault with file
- send_HTML_error( 403, "Forbidden", "403 - File access forbidden.");
- return 403;
- }
- FILE* fp = NULL;
- fp = fopen(file_path,"r");
- if (fp==NULL ) {
- send_HTML_error( 403, "Forbidden", "403 - File access forbidden.");
- return 403;
- }
-
- filesize = myStatBuf.st_size;
- send_HTTP_header("HTTP/1.1", 200, "Ok", mime_type, myStatBuf.st_size);
- //binary send
- all_send_bytes=0;
- while(filesize) { //check for EOF !feof(fp)
- bytes_for_send = filesize;
- if (bytes_for_send > sizeof(sentBuffer)) {
- bytes_for_send = sizeof(sentBuffer);
- }
- fread (sentBuffer,1,bytes_for_send,fp);
- filesize -= bytes_for_send;
- if (EnDebugMSG)
- printf("\n---bytes_for_send...%d",bytes_for_send);
- client.send_all(sentBuffer,bytes_for_send);
- //Thread::wait(10);
- all_send_bytes += bytes_for_send;
- }
- if (EnDebugMSG)
- printf("\n---buffer fill end - all ...%lld", all_send_bytes);
- //binary send
-
- sprintf(line_response, "\r\n");
- client.send_all(line_response,strlen(line_response));
- if ( fp != NULL )
- fclose(fp);
- //Thread::wait(10);
- return 0;
-}
-
-int send_directory(char *path)
+void led(void const *args)
{
- char process_name[64]= {0};
-
- char posOfLastSlash;
- char *pLS;
-
- struct dirent *p;
- struct sMystat sb;
- struct tm *timeinfo;
- char timeBuf[40];
-
- if (EnDebugMSG)
- printf("\n-->from send_directory:%s",path);
- snprintf(file_path,sizeof(file_path),"/wfs%s",path);
- DIR *d = opendir(file_path);
- if (EnDebugMSG && d!=NULL)
- printf("\n-->from send_directory:%s ...open OK",file_path);
- if (d==NULL) { //error open dir
- send_HTML_error( 403, "Forbidden", "403 - Directory access forbidden.");
- return -1;
- }
- send_HTTP_header("HTTP/1.1", 200, "Ok",NULL, -1);
- sentBuffer[0]=NULL;
- sprintf(line_response,"<!DOCTYPE html>\r\n<html>\n<head><title>Index of %s</title>\n",path);
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
-
- sprintf(line_response,"<meta content=\"text/html; charset=iso-8859-1\" http-equiv=\"Content-Type\"></head>\n");
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
-
-
- sprintf(line_response,"<body><center>\n<h3>Index of %s</h3>\n", path);
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
- send_HTML_line(sentBuffer, strlen(sentBuffer));
-//begin table
- sentBuffer[0]=NULL; //clear buffer
- sprintf(line_response,"<table border=\"0\">\n");
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
- sprintf(line_response,"<tr><th align=\"left\" width=\"200\">Name</th><th align=\"right\" width=\"100\">Size(bytes)</th><th align=\"right\" width=\"200\">Date/Time</th></tr>\n");
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
-//begin table
-
- pLS=strrchr(path,'/');
- posOfLastSlash=pLS-path+1;
- if (EnDebugMSG)
- printf("\r\n>>posOfLastSlash=%d",posOfLastSlash);
- snprintf(process_name,posOfLastSlash+1,"%s",path);
- if (EnDebugMSG)
- printf("\r\n>>process_name=%s",process_name);
- sprintf(line_response,"<tr><td align=\"left\"><a href=\"%s\">../</a></td></tr>\n",process_name);
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
- while((p = readdir(d)) != NULL) {
- if (EnDebugMSG)
- printf("\n :%s",p->d_name);
- sprintf(file_path,"%s/%s",path,p->d_name);
- Mystat( file_path, &sb );
- if (get_dirInfo(file_path)==0 ) { //this is directory path
- if (EnDebugMSG)
- printf("\nDIR");
- sprintf(line_response, "<tr><td align=\"left\"><a href=\"%s\">%s</a><br></td></tr>\n",file_path,p->d_name);
- if (strlen(line_response)>(sizeof(sentBuffer)-strlen(sentBuffer))) { //buffer must be sent
- send_HTML_line(sentBuffer, strlen(sentBuffer));
- sentBuffer[0]=NULL; //clear buffer
- }
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
-
- } else { //this is file
- if (EnDebugMSG)
- printf("\nFILE");
- timeinfo = localtime (&sb.st_mtime);
- //strftime(timeBuf,40, "%I:%M:%S %p (%Y/%m/%d)\r\n", localtime(&sb.st_mtime));
- strftime(timeBuf, 40, "%c", timeinfo);
- sprintf(line_response, "<tr><td align=\"left\"><a href=\"%s\">%s</a></td><td align=\"right\">%lld</td><td align=\"right\">%s</td></tr>\n", file_path, p->d_name,(long long) sb.st_size,timeBuf); // asctime(timeinfo) );
-
- if (strlen(line_response)>(sizeof(sentBuffer)-strlen(sentBuffer))) { //buffer must be sent
- send_HTML_line(sentBuffer, strlen(sentBuffer));
- sentBuffer[0]=NULL; //clear buffer
- }
- snprintf(&(sentBuffer[strlen(sentBuffer)]),sizeof(sentBuffer),"%s",line_response); //append to buffer
- }
- }
- send_HTML_line(sentBuffer, strlen(sentBuffer));
- closedir(d);
-
- sprintf(line_response, "</table>\n<br><h4>mbed HTTP File Server</h4>\n</center></body></html>\n");
- send_HTML_line(line_response, strlen(line_response));
-
- return 0;
-}
-
-void parseHTTPRequest(char* buffer)
-{
- char spacePos;
- char *tmpBuffer;
- spacePos = strcspn(buffer, " ") + 1; //position of first space character
- snprintf(sMethod, spacePos,"%s", buffer);
-
- //get Protocol
- tmpBuffer=&(buffer[spacePos]); //move pointer to buffer (delete Method)
- spacePos = strcspn(tmpBuffer, "\r\n") + 1;
- tmpBuffer[spacePos]='\0'; //set end of string ...cut
- sprintf(sProtocol, "%s", strrchr(tmpBuffer,' ')); //get string after last (space )
- printf("\r\nsProtocol:%s", tmpBuffer);
- buffer = &(sProtocol[1]); //cut first character (space)
- sprintf(sProtocol, "%s", buffer);
-
- //get URL
- snprintf(sURL,strlen(tmpBuffer)-strlen(sProtocol),"%s\r\n", tmpBuffer); //URL is between Method and Protocol
-
- printf("\nParse Method:%s",sMethod);
- printf("\nParse URL:%s",sURL);
- printf("\nParse PROTOCOL:%s",sProtocol);
- printf("\n\r\n");
-}
-
-int processHTTP(char* sMethod, char* sURL, char* sProtocol)
-{
- int gdi, gfi; //status of get_dir_info(xxx), and get_file_info(xxx)
-
- if (strcmp(sMethod,"GET")!=0) {
- send_HTML_error( 501, "501 Not Implemented", "501 - The server either does not recognize the request method");
- return 501;
- }
- if (sURL[0]!= '/') {
- send_HTML_error( 400, "Bad Request", "400 - The request cannot be fulfilled due to bad syntax.");
- return 400;
- }
- if (sURL[strlen(sURL)-1]=='/') {
- sURL[strlen(sURL)-1]=sURL[strlen(sURL)]; //delete last symbol
- if (EnDebugMSG)
- printf("\n delete last:%s",sURL);
- }
- gdi= get_dirInfo(sURL);
- gfi= get_fileInfo(sURL);
- if (gfi!=0) { //!=0 file not found
- if (gdi==0) { //0-ok this is directory
- return send_directory(sURL);
- }
- if (EnDebugMSG)
- printf("\n404-br File not found or...(Fresult is:%d)",gfi);
- send_HTML_error( 404, "Not Found","404 - The requested resource could not be found.");
- return 404;
- } else { //==0 found
- if (gdi==0) //0-ok this is directory
- return send_directory(sURL);
- else
- return send_file(sURL);
+ while (true) {
+ led1=!led1;
+ Thread::wait(100);
}
}
int main()
{
- printf("\r\n---- HTTP Server ----\r\n");
-
- ledTick.attach(&ledTickfunc,0.5);
- //ledTick.detach();
- //setup ethernet interface
- eth.init(); //Use DHCP
- // eth.init(IP,MASK,GATEWAY); //IP,mask,Gateway
- eth.connect();
- printf("IP Address is %s\n\r", eth.getIPAddress());
-
- //setup tcp socket
- if(svr.bind(PORT)< 0) {
- printf("tcp server bind failed.\n\r");
- return -1;
- } else {
- printf("tcp server bind successed.\n\r");
- serverIsListened = true;
- }
-
- if(svr.listen(1) < 0) {
- printf("tcp server listen failed.\n\r");
- return -1;
- } else {
- printf("tcp server is listening...\n\r");
+ //Thread thread(printstr);
+ Thread thread(printstr,&ledvalue);
+ Thread thread2(led,&ledvalue2);
+ while (1)
+ {
+ setLed(++ledvalue);
+ Thread::wait(100);
}
-
- //listening for http GET request
- while (serverIsListened) {
- //blocking mode(never timeout)
- if(svr.accept(client)<0) {
- printf("failed to accept connection.\n\r");
- } else {
- //client.set_blocking(false,5000); //5000=5sec
- printf("connection success!\n\rIP: %s\n\r",client.get_address());
- clientIsConnected = true;
- led2 = true;
- while(clientIsConnected) {
- char buffer[1024] = {};
- switch(client.receive(buffer, 1023)) {
- case 0:
- printf("recieved buffer is empty.\n\r");
- clientIsConnected = false;
- break;
- case -1:
- printf("failed to read data from client.\n\r");
- clientIsConnected = false;
- break;
- default:
- printf("Recieved Data: %d\n\r\n\r%.*s\n\r",strlen(buffer),strlen(buffer),buffer);
- parseHTTPRequest(buffer);
- //if(buffer[0] == 'G' && buffer[1] == 'E' && buffer[2] == 'T' ) {
- if (strcmp(sMethod, "GET" ) == 0 ) {
- printf("GET request incomming.\n\r");
- processHTTP(sMethod, sURL, sProtocol);
- clientIsConnected = false;
- }//if get
- break;
- } //switch
- //ledTick.attach(&ledTickfunc,0.5);
- }//while
- printf("close connection.\n\rHTTP server is listening...\n\r\n");
- client.close();
- Thread::wait(50);
- led2 = false;
- }
- }
-
}