Adding initial http daemon implementation

2026-08-30 14:52:51 +08:00 · 2025-07-13 12:03:40 +02:00
parent e2716da6c8
commit d66931acdf
11 changed files with 154 additions and 154 deletions
@@ -0,0 +1,23 @@
+CC = sdcc
+CC_FLAGS = -mmcs51 -I. -I../uip
+ASM = sdas8051
+AFLAGS= -plosgff
+
+SRCS = httpd.c
+OBJS = ${SRCS:.c=.rel}
+
+all: $(OBJS)
+
+%.asm: %.c
+	$(CC) $(CC_FLAGS) -c -S $<
+
+%.rel: %.asm
+	./treatasm.py $^ >$^.new
+	mv $^.new $^
+	${ASM} ${AFLAGS} $^
+
+clean:
+	rm .asm *.lst *.rel *.rst *.sym
+
+.PHONY: all clean
+
@@ -0,0 +1,77 @@
+
+#include "httpd.h"
+#include "../rtl837x_common.h"
+#include "uip.h"
+
+#pragma codeseg BANK1
+
+static __code uint8_t page_main[] = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n"
+"\r\n<!DOCTYPE html>"
+"<html>"
+"  <head>"
+"    <title>FreeSwitchOS Main Page</title>"
+"  </head>"
+"  <body>"
+"    <h1>Port configuration:</h1>"
+"    <p>TBD</p>"
+"  </body>"
+"</html>\r\n";
+
+__xdata uint8_t outbuf[2048];
+
+inline uint8_t is_space(uint8_t c)
+{
+	return c == ' ' || c == '\t';
+}
+
+
+void httpd_init(void) __banked
+{
+	// Start listening to port 80
+	uip_listen(HTONS(80));
+}
+
+
+void httpd_appcall(void)
+{
+	__xdata struct httpd_state *s = &(uip_conn->appstate);
+
+	write_char('P');
+	if(uip_connected()) {
+		print_string("Connected...\n");
+		s->transmitted = 0;
+	} else if (uip_closed()) {
+		print_string("Connection closed\n");
+	} else if (uip_poll()) {
+		uip_len = 0;
+		if (s->transmitted)
+			uip_close();
+//		write_char('p');
+	} else if (uip_newdata()) {
+		write_char('<'); print_short(uip_len); write_char('\n');
+		__xdata uint8_t *p = uip_appdata;
+		while (*p)
+			write_char(*p++);
+		write_char('\n');
+		p = uip_appdata;
+		if (p[0] == 'G' && p[1] == 'E' && p[2] == 'T' && p[3] == ' ')
+			print_string("GET request ");
+		p += 4;
+		__xdata uint8_t *q = p;
+		while (!is_space(*p))
+			p++;
+		*p = '\0';
+		print_string_x(q);
+		write_char('\n');
+		// For now, we do not have anything to send...
+		uip_len = strlen(page_main);
+		strtox(outbuf, page_main);
+		s->transmitted = 1;
+		uip_send(outbuf, uip_len);
+	} else if (uip_rexmit()) { // Connection established, need to rexmit?
+		write_char('r');
+		uip_len = 0;
+	} else {
+		uip_len = 0;
+	}
+}
@@ -0,0 +1,25 @@
+#ifndef __HELLO_WORLD_H__
+#define __HELLO_WORLD_H__
+
+/* Since this file will be included by uip.h, we cannot include uip.h
+   here. But we might need to include uipopt.h if we need the u8_t and
+   u16_t datatypes. */
+#include "uipopt.h"
+
+/* Next, we define the uip_tcp_appstate_t datatype. This is the state
+   of our application, and the memory required for this state is
+   allocated together with each TCP connection. One application state
+   for each TCP connection. */
+typedef struct httpd_state {
+   char transmitted;
+} uip_tcp_appstate_t;
+
+/* Finally we define the application function to be called by uIP. */
+void httpd_appcall(void);
+#ifndef UIP_APPCALL
+#define UIP_APPCALL httpd_appcall
+#endif /* UIP_APPCALL */
+
+void httpd_init(void) __banked;
+
+#endif
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+import re
+import sys
+
+isBanked = False
+
+regex_bank = re.compile(r'^\s*\.area\s+BANK\d+\s*\(CODE\)')
+regex_const = re.compile(r'^\s*\.area\s+CONST\s*\(CODE\)')
+regex_area = re.compile(r'^\s*\.area\s+\(CODE\)')
+
+with open(sys.argv[1], "r") as file:
+	for line in file:
+		line = line.rstrip()
+		bmatch = re.search(regex_bank, line)
+		if bmatch:
+			isBanked = True
+			print(line)
+		else:
+			cmatch = re.search(regex_const, line)
+			if not isBanked or not cmatch:
+				print(line)
+			amatch = re.search(regex_area, line)
+			if amatch:
+				isBanked = False
+				print(line)