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/*************************************************************************** |
/*************************************************************************** |
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netio.c - description |
netio.c - description |
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------------------- |
------------------- |
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begin : Mon Oct 18 2004 |
begin : Mon Oct 18 2004 |
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copyright : (C) 2004 by Leaflet |
copyright : (C) 2004 by Leaflet |
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email : leaflet@leafok.com |
email : leaflet@leafok.com |
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***************************************************************************/ |
***************************************************************************/ |
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/*************************************************************************** |
/*************************************************************************** |
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***************************************************************************/ |
***************************************************************************/ |
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#include "common.h" |
#include "common.h" |
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#include "io.h" |
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#include <string.h> |
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#include <unistd.h> |
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#include <sys/socket.h> |
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char |
char s_getc(int socket) |
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s_getc(int socket) |
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{ |
{ |
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char c; |
char c; |
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if (recv(socket,&c,1,0)>0) |
if (recv(socket, &c, 1, 0) > 0) |
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return c; |
return c; |
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else |
else |
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return '\0'; |
return '\0'; |
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} |
} |
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int |
int s_putc(int socket, char c) |
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s_receive(int socket, char* buffer, int buffer_length, char end_str[]) |
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{ |
{ |
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char buf_str[2048]; |
int ret; |
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int buf_read,total_read; |
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int buf_len = 2047; |
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if (buf_len+1 > buffer_length) |
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buf_len = buffer_length -1; |
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total_read = 0; |
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strcpy(buffer,""); |
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while((buf_read = recv(socket,buf_str,buf_len,0)) > 0) |
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{ |
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buf_str[buf_read] = '\0'; |
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total_read += buf_read; |
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strcat(buffer,buf_str); |
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buf_len = buffer_length - total_read - 1; |
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if (buf_len+1 > buffer_length) |
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buf_len = buffer_length -1; |
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if (strcmp((buffer + total_read - strlen(end_str)), end_str) == 0) |
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break; |
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//different line-end symbol in different OS |
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if (strcmp(end_str,"\r") == 0) |
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{ |
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if (strcmp((buffer + total_read - 2), "\r\n") == 0) |
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break; |
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} |
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} |
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return total_read; |
ret = send(socket, &c, 1, 0); |
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return ret; |
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} |
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int s_receive(int socket, char *buffer, int buffer_length, char end_str[]) |
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{ |
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char buf_str[2048]; |
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int buf_read, total_read; |
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int buf_len = 2047; |
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if (buf_len + 1 > buffer_length) |
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buf_len = buffer_length - 1; |
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total_read = 0; |
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strcpy(buffer, ""); |
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while ((buf_read = recv(socket, buf_str, buf_len, 0)) > 0) |
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{ |
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buf_str[buf_read] = '\0'; |
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total_read += buf_read; |
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strcat(buffer, buf_str); |
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buf_len = buffer_length - total_read - 1; |
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if (buf_len + 1 > buffer_length) |
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buf_len = buffer_length - 1; |
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if (strcmp((buffer + total_read - strlen(end_str)), end_str) == 0) |
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break; |
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// different line-end symbol in different OS |
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if (strcmp(end_str, "\r") == 0) |
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{ |
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if (strcmp((buffer + total_read - 2), "\r\n") == 0) |
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break; |
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} |
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} |
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return total_read; |
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} |
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int s_send(int socket, const char *in_str) |
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{ |
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int ret; |
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if (in_str != NULL && strlen(in_str) > 0) |
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{ |
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ret = send(socket, in_str, strlen(in_str), 0); |
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} |
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return ret; |
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} |
} |
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int |
// from Maple-hightman |
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s_send(int socket, const char* in_str) |
// added by flyriver, 2001.3.3 |
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int telnetopt(int fd, char *buf, int max) |
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{ |
{ |
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if (in_str != NULL && strlen(in_str) > 0) |
unsigned char c, d, e; |
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{ |
int pp = 0; |
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send(socket, in_str, strlen(in_str), 0); |
unsigned char tmp[30]; |
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} |
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while (pp < max) |
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{ |
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c = buf[pp++]; |
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if (c == 255) |
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{ |
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d = buf[pp++]; |
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e = buf[pp++]; |
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iflush(); |
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if ((d == 253) && (e == 3 || e == 24)) |
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{ |
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tmp[0] = 255; |
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tmp[1] = 251; |
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tmp[2] = e; |
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write(fd, tmp, 3); |
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continue; |
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} |
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if ((d == 251 || d == 252) && (e == 1 || e == 3 || e == 24)) |
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{ |
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tmp[0] = 255; |
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tmp[1] = 253; |
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tmp[2] = e; |
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write(fd, tmp, 3); |
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continue; |
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} |
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if (d == 251 || d == 252) |
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{ |
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tmp[0] = 255; |
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tmp[1] = 254; |
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tmp[2] = e; |
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write(fd, tmp, 3); |
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continue; |
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} |
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if (d == 253 || d == 254) |
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{ |
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tmp[0] = 255; |
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tmp[1] = 252; |
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tmp[2] = e; |
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write(fd, tmp, 3); |
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continue; |
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} |
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if (d == 250) |
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{ |
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while (e != 240 && pp < max) |
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e = buf[pp++]; |
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tmp[0] = 255; |
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tmp[1] = 250; |
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tmp[2] = 24; |
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tmp[3] = 0; |
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tmp[4] = 65; |
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tmp[5] = 78; |
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tmp[6] = 83; |
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tmp[7] = 73; |
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tmp[8] = 255; |
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tmp[9] = 240; |
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write(fd, tmp, 10); |
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} |
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} |
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else |
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outc(c); |
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} |
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iflush(); |
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return 0; |
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} |
} |
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