Greg Steiert / Mbed 2 deprecated HTTP_SD_Server Featured

HTTP SD Card File Server

Dependencies:   EthernetInterface SDFileSystem mbed-rtos mbed

Fork of mURI_HTTPserver by Greg Steiert

Diff: main.cpp

Revision:
0:28bc7ce77e20
Child:
1:64f023138627
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Sep 07 04:43:57 2013 +0000
@@ -0,0 +1,147 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "SDFileSystem.h"
+#include "muri.h"
+#include <stdio.h>
+#include <string.h>
+
+#define HTTPD_SERVER_PORT   80
+#define HTTPD_MAX_REQ_LENGTH   1023
+#define HTTPD_MAX_HDR_LENGTH   255
+#define HTTPD_MAX_FNAME_LENGTH   127
+#define MURI_MAX_RESP_LENGTH  127
+#define I2C_BUFFER_SIZE 31
+
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //
+// I2C i2c(p28, p27);
+EthernetInterface eth;
+TCPSocketServer server;
+TCPSocketConnection client;
+
+char buffer[HTTPD_MAX_REQ_LENGTH+1];
+char httpHeader[HTTPD_MAX_HDR_LENGTH+1];
+char filename[HTTPD_MAX_FNAME_LENGTH+1];
+char obuf[MURI_MAX_RESP_LENGTH+1];
+char data[I2C_BUFFER_SIZE];
+char *uristr;
+char *eou;
+char *qrystr;
+
+FILE *fp;
+int rdCnt;
+
+void get_file(char* uri)
+{
+    printf("get_file %s\n", uri);
+    char *lstchr = strrchr(uri, NULL) -1;
+    if ('/' == *lstchr) {
+        printf("Open directory /sd%s\n", uri);
+        *lstchr = 0;
+        sprintf(filename, "/sd%s", uri);
+        DIR *d = opendir(filename);
+        if (d != NULL) {
+            sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n");
+            client.send(httpHeader,strlen(httpHeader));
+            sprintf(httpHeader,"<html><head><title>Directory Listing</title></head><body><h1>%s</h1><ul>", uri);
+            client.send(httpHeader,strlen(httpHeader));
+            struct dirent *p;
+            while((p = readdir(d)) != NULL) {
+                printf("%s\n", p->d_name);
+                sprintf(httpHeader,"<li>%s</li>", p->d_name);
+                client.send(httpHeader,strlen(httpHeader));
+            }
+        }
+        closedir(d);
+        printf("Directory closed\n");
+        sprintf(httpHeader,"</ul></body></html>");
+        client.send(httpHeader,strlen(httpHeader));
+    } else {
+        sprintf(filename, "/sd%s", uri);
+        fp = fopen(filename, "r");
+        if (fp == NULL) {
+            sprintf(httpHeader,"HTTP/1.1 404 Not Found \r\nContent-Type: text\r\nConnection: Close\r\n\r\n");
+            client.send(httpHeader,strlen(httpHeader));
+            client.send(uri,strlen(uri));
+        } else {
+            sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n");
+            client.send(httpHeader,strlen(httpHeader));
+            while ((rdCnt = fread(buffer, sizeof( char ), 1024, fp)) == 1024) {
+                client.send(buffer, rdCnt);
+            }
+            client.send(buffer, rdCnt);
+            fclose(fp);
+        }
+    }
+}
+
+void get_cgi(char* uri)
+{
+    char *result;
+    muri(uri, data, obuf);
+    if (!strncmp(obuf, "200 ", 4)) {
+        result = obuf +4;
+        sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n");
+        client.send(httpHeader,strlen(httpHeader));
+        client.send(result,strlen(result));
+        printf("result:  %s", result);
+    } else {
+        sprintf(httpHeader,"HTTP/1.1 ");
+        client.send(httpHeader,strlen(httpHeader));
+        client.send(obuf,strlen(obuf));
+        sprintf(httpHeader,"\r\n");
+        client.send(httpHeader,strlen(httpHeader)); 
+    }
+    
+}
+
+
+int main (void)
+{
+//    EthernetInterface eth;
+    eth.init(); //Use DHCP
+    eth.connect();
+    printf("IP Address is %s\n", eth.getIPAddress());
+
+//    TCPSocketServer server;
+    server.bind(HTTPD_SERVER_PORT);
+    server.listen();
+
+    while (true) {
+        printf("\nWait for new connection...\r\n");
+        server.accept(client);
+        client.set_blocking(false, 1500); // Timeout after (1.5)s
+
+        printf("Connection from: %s\r\n", client.get_address());
+        while (true) {
+            int n = client.receive(buffer, sizeof(buffer));
+            if (n <= 0) break;
+            printf("Recieved Data: %d\r\n\r\n%.*s\r\n",n,n,buffer);
+            if (n >= 1024) {
+                sprintf(httpHeader,"HTTP/1.1 413 Request Entity Too Large \r\nContent-Type: text\r\nConnection: Close\r\n\r\n");
+                client.send(httpHeader,strlen(httpHeader));
+                client.send(buffer,n);
+                break;
+            } else {
+                buffer[n]=0;
+            }
+            if (!strncmp(buffer, "GET ", 4)) {
+                uristr = buffer + 4;
+                eou = strstr(uristr, " ");
+                if (eou == NULL) {
+                    sprintf(httpHeader,"HTTP/1.1 400 Bad Request \r\nContent-Type: text\r\nConnection: Close\r\n\r\n");
+                    client.send(httpHeader,strlen(httpHeader));
+                    client.send(buffer,n);
+                } else {
+                    *eou = 0;
+                    if (!strncmp(uristr, "/muri/", 6)) {
+                        get_cgi(uristr+6);
+                    } else {
+                        get_file(uristr);
+                    }
+                }
+            }
+        }
+
+        client.close();
+    }
+}