Thread: [Assorted-commits] SF.net SVN: assorted: [471] nano-httpd

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Revision: 471
          http://assorted.svn.sourceforge.net/assorted/?rev=471&view=rev
Author:   yangzhang
Date:     2008-02-18 22:45:50 -0800 (Mon, 18 Feb 2008)

Log Message:
-----------
added nano httpd (a ripoff of the sanos example web server)

Added Paths:
-----------
    nano-httpd/
    nano-httpd/trunk/
    nano-httpd/trunk/README
    nano-httpd/trunk/src/
    nano-httpd/trunk/src/Makefile
    nano-httpd/trunk/src/nanohttpd.cc

Added: nano-httpd/trunk/README
===================================================================

--- nano-httpd/trunk/README	                        (rev 0)
+++ nano-httpd/trunk/README	2008-02-19 06:45:50 UTC (rev 471)
@@ -0,0 +1 @@
+janky little web server

Added: nano-httpd/trunk/src/Makefile
===================================================================
--- nano-httpd/trunk/src/Makefile	                        (rev 0)
+++ nano-httpd/trunk/src/Makefile	2008-02-19 06:45:50 UTC (rev 471)
@@ -0,0 +1,8 @@
+all: nanohttpd
+nanohttpd: nanohttpd.cc
+	g++ -Wall -g3 -o $@ $<
+run: nanohttpd
+	./nanohttpd
+clean:
+	rm -f nanohttpd
+.PHONY: clean run

Added: nano-httpd/trunk/src/nanohttpd.cc
===================================================================
--- nano-httpd/trunk/src/nanohttpd.cc	                        (rev 0)
+++ nano-httpd/trunk/src/nanohttpd.cc	2008-02-19 06:45:50 UTC (rev 471)
@@ -0,0 +1,223 @@
+// Derived from:
+//
+// http://www.jbox.dk/sanos/webserver.htm
+//
+// Example HTTP request
+//
+// GET / HTTP/1.1
+// User-Agent: Opera/9.25 (Windows NT 5.1; U; en)
+// Host: harvard:8000
+// Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
+// Accept-Language: en-US,en;q=0.9
+// Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1
+// Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0
+// Connection: Keep-Alive
+
+#define STANDALONE 1
+
+extern "C" {
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <strings.h>
+}
+
+#if STANDALONE
+#include <iostream>
+#include <cstdio>
+
+using namespace std;
+
+#define lwip_accept accept
+#define lwip_bind bind
+#define lwip_close close
+#define lwip_connect connect
+#define lwip_listen listen
+#define lwip_socket socket
+#define lwip_send send
+#define lwip_recv recv
+
+#define cprintf printf
+
+void
+panic(char *s)
+{
+  cerr << s << endl;
+  exit(1);
+}
+
+#endif
+
+#define nprintf(s, ...) \
+  do { \
+    char b_[4096]; \
+    int n_ = snprintf(b_, sizeof(b_), __VA_ARGS__); \
+    if (send(s, b_, n_, 0) == 0) panic("XXX"); \
+  } while (0);
+
+#define SERVER "webserver/1.0"
+#define PROTOCOL "HTTP/1.0"
+#define RFC1123FMT "%a, %d %b %Y %H:%M:%S GMT"
+#define PORT 80
+
+void send_headers(int f, int status, char *title, char *extra, char *mime, 
+                                    int length, time_t date)
+{
+  time_t now;
+  char timebuf[128];
+
+  nprintf(f, "%s %d %s\r\n", PROTOCOL, status, title);
+  nprintf(f, "Server: %s\r\n", SERVER);
+  now = time(NULL);
+  strftime(timebuf, sizeof(timebuf), RFC1123FMT, gmtime(&now));
+  nprintf(f, "Date: %s\r\n", timebuf);
+  if (extra) nprintf(f, "%s\r\n", extra);
+  if (mime) nprintf(f, "Content-Type: %s\r\n", mime);
+  if (length >= 0) nprintf(f, "Content-Length: %d\r\n", length);
+  if (date != -1)
+  {
+    strftime(timebuf, sizeof(timebuf), RFC1123FMT, gmtime(&date));
+    nprintf(f, "Last-Modified: %s\r\n", timebuf);
+  }
+  nprintf(f, "Connection: close\r\n");
+  nprintf(f, "\r\n");
+}
+
+void send_error(int f, int status, char *title, char *extra, char *text)
+{
+  send_headers(f, status, title, extra, "text/html", -1, -1);
+  nprintf(f, "<HTML><HEAD><TITLE>%d %s</TITLE></HEAD>\r\n", status, title);
+  nprintf(f, "<BODY><H4>%d %s</H4>\r\n", status, title);
+  nprintf(f, "%s\r\n", text);
+  nprintf(f, "</BODY></HTML>\r\n");
+}
+
+// XXX
+void send_file(int f, char *path)
+{
+//  char data[4096];
+//  int n;
+//
+//  FILE *file = fopen(path, "r");
+//  if (!file)
+//    send_error(f, 403, "Forbidden", NULL, "Access denied.");
+//  else
+//  {
+//    int length = S_ISREG(statbuf->st_mode) ? statbuf->st_size : -1;
+//    send_headers(f, 200, "OK", NULL, get_mime_type(path), length, statbuf->st_mtime);
+//
+//    while ((n = fread(data, 1, sizeof(data), file)) > 0) fwrite(data, 1, n, f);
+//    fclose(file);
+//  }
+}
+
+int
+process(int f)
+{
+  char buf[4096];
+  char *method;
+  char *path;
+  char *protocol;
+//  struct stat statbuf;
+//  char pathbuf[4096];
+//  int len;
+
+  if (recv(f, buf, sizeof(buf), MSG_WAITALL) < 0) return -1;
+  printf("URL: %s", buf);
+
+  method = strtok(buf, " ");
+  path = strtok(NULL, " ");
+  protocol = strtok(NULL, "\r");
+  if (!method || !path || !protocol) return -1;
+
+  if (strcasecmp(method, "GET") != 0)
+    send_error(f, 501, "Not supported", NULL, "Method is not supported.");
+//  else if (stat(path, &statbuf) < 0)
+//    send_error(f, 404, "Not Found", NULL, "File not found.");
+//  else if (S_ISDIR(statbuf.st_mode))
+//  {
+//    len = strlen(path);
+//    if (len == 0 || path[len - 1] != '/')
+//    {
+//      snprintf(pathbuf, sizeof(pathbuf), "Location: %s/", path);
+//      send_error(f, 302, "Found", pathbuf, "Directories must end with a slash.");
+//    }
+//    else
+//    {
+//      snprintf(pathbuf, sizeof(pathbuf), "%sindex.html", path);
+//      if (stat(pathbuf, &statbuf) >= 0)
+//        send_file(f, pathbuf, &statbuf);
+//      else
+//      {
+//        DIR *dir;
+//        struct dirent *de;
+//
+//        send_headers(f, 200, "OK", NULL, "text/html", -1, statbuf.st_mtime);
+//        nprintf(f, "<HTML><HEAD><TITLE>Index of %s</TITLE></HEAD>\r\n<BODY>", path);
+//        nprintf(f, "<H4>Index of %s</H4>\r\n<PRE>\n", path);
+//        nprintf(f, "Name Last Modified Size\r\n");
+//        nprintf(f, "<HR>\r\n");
+//        if (len > 1) nprintf(f, "<A HREF=\"..\">..</A>\r\n");
+//
+//        dir = opendir(path);
+//        while ((de = readdir(dir)) != NULL)
+//        {
+//          char timebuf[32];
+//          struct tm *tm;
+//
+//          strcpy(pathbuf, path);
+//          strcat(pathbuf, de->d_name);
+//
+//          stat(pathbuf, &statbuf);
+//          tm = gmtime(&statbuf.st_mtime);
+//          strftime(timebuf, sizeof(timebuf), "%d-%b-%Y %H:%M:%S", tm);
+//
+//          nprintf(f, "<A HREF=\"%s%s\">", de->d_name, S_ISDIR(statbuf.st_mode) ? "/" : "");
+//          nprintf(f, "%s%s", de->d_name, S_ISDIR(statbuf.st_mode) ? "/</A>" : "</A> ");
+//          if (de->d_namlen < 32) nprintf(f, "%*s", 32 - de->d_namlen, "");
+//
+//          if (S_ISDIR(statbuf.st_mode))
+//            nprintf(f, "%s\r\n", timebuf);
+//          else
+//            nprintf(f, "%s %10d\r\n", timebuf, statbuf.st_size);
+//        }
+//        closedir(dir);
+//
+//        nprintf(f, "</PRE>\r\n<HR>\r\n<ADDRESS>%s</ADDRESS>\r\n</BODY></HTML>\r\n", SERVER);
+//      }
+//    }
+//  }
+  else
+    send_file(f, path); // , &statbuf);
+
+  return 0;
+}
+
+int
+main()
+{
+  cprintf("socket\n");
+  int s = lwip_socket(PF_INET, SOCK_STREAM, 0);
+  if (s < 0) panic("XXX");
+
+  struct sockaddr_in sa;
+  bzero(&sa, sizeof(sa));;
+  sa.sin_family = AF_INET;
+  sa.sin_port = htons(8000);
+  sa.sin_addr.s_addr = htonl(INADDR_ANY);
+
+  cprintf("bind\n");
+  if (bind(s, (struct sockaddr*) &sa, sizeof(sa)) != 0) panic("XXX");
+  cprintf("listen\n");
+  if (listen(s, 1) != 0) panic("XXX");
+
+  while (true) {
+    cprintf("accept\n");
+    int t = accept(s, NULL, NULL);
+    if (t < 0) panic("XXX");
+
+    cprintf("processing\n");
+    if (process(t) < 0) panic("XXX");
+  }
+  return 0;
+}


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Thread: [Assorted-commits] SF.net SVN: assorted: [471] nano-httpd

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