Patryk Patlas
Simple server for AGH accademic purpose
Dependencies: EthernetInterface mbed-rtos mbed
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HTTP_SD_Server_K64F
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FRDM-K64F Code Share
Diff: main.cpp
- Revision:
- 0:28bc7ce77e20
- Child:
- 1:64f023138627
diff -r 000000000000 -r 28bc7ce77e20 main.cpp
--- /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();
+ }
+}