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#include "sock_conn.h"
/*mvar things*/
//shitty macro
#define MVAR_ALLOC_STRC(VNAME,VTYPE,VRET)\
VTYPE *VNAME;\
VNAME=malloc(sizeof(VTYPE));\
if ((VNAME)==NULL){\
VRET\
}\
memset(VNAME,0,sizeof(VTYPE));
#define MVAR_ALLOC_ARR(VNAME,VTYPE,VSZ,VRET)\
VTYPE *VNAME;\
VNAME=malloc(sizeof(VTYPE)*(VSZ));\
if ((VNAME)==NULL){\
VRET\
}\
memset(VNAME,0,sizeof(VTYPE)*(VSZ));
irc_buf* irc_buf_create()
{
MVAR_ALLOC_STRC(ret,irc_buf,{
return NULL;
});
ret->out_size = 0;
ret->max_out_size = IRC_BUF_OUT_SIZE;
ret->buf_out = malloc(ret->max_out_size);
if (ret->buf_out == NULL)
{
free(ret);
PERM();
return NULL;
}
memset(ret->buf_out, 0, ret->max_out_size);
ret->in_size = 0;
ret->max_in_size = IRC_BUF_IN_SIZE;
ret->buf_in = malloc(ret->max_in_size);
if (ret->buf_in == NULL)
{
free(ret->buf_out);
free(ret);
return NULL;
}
memset(ret->buf_in, 0, ret->max_in_size);
ret->ready = 0;
return ret;
}
//cpy bytes from input to output
int __irc_buf_drain_io(irc_buf *ib)
{
int cnt=0;
int i;
int j;
//out buffer is allready full
if (ib->out_size-1 == ib->max_out_size)
{
PRINT("Out buffer is full\n");
return -1;
}
//check if buffer is complete buffer
if (ib->ready == 1) //its marked as complete
{
PRINT("Buffear allready ready\n");
return 0;
}
//in case if its not marked, -1 becouse its index in array
if ((ib->out_size >= 2)
&&(ib->buf_out[ib->out_size-1]=='\n')
&&(ib->buf_out[ib->out_size-2]=='\r'))
{
PRINT("Buffer is ready\n");
return 0;
}
//lets from in buffer put as much as possible to out buffer
i = ib->in_size-1;
j = ib->out_size;
//PRINT("in_size=%d out_size=%d\n",ib->in_size, ib->out_size);
cnt = 0;
while ((j<ib->max_out_size)&&(i>=0)) //buffers ar full or empty
{
//if (ib->out_size >= 2)
if (j >= 3) //be carefull with this line
{
if (((ib->buf_out[j-3]=='\r')&&(ib->buf_out[j-2]=='\n')))//bufferunderflow
{
//PRINT("READY\n");
ib->ready = 1;
//PNL();
break;
}
}
ib->buf_out[j] = ib->buf_in[i];
i--;
j++;
cnt++;
}
//update
//PRINT("Copied %d bytes\n", cnt);
ib->in_size = i+1; //i can end up as -1
ib->out_size = j; //
//PRINT("in_size=%d out_size=%d\n",ib->in_size, ib->out_size);
//if out buffer full and its doesnt have proper ending
if (ib->out_size >= 2)
if ((ib->buf_out[ib->out_size-1]=='\n')&&(ib->buf_out[ib->out_size-2]=='\r'))
{
//PRINT("READY\n");
ib->ready = 1;
return cnt;
}
//PRINT("%d\n",cnt);
return cnt;
}
//return amount not written bytes
int irc_buf_puts(irc_buf *ib, char *in_buf, int sz)
{
int i,j;
int cnt;
int ret = -1;
int fret = -1;
if (ib == NULL)
{
PERM();
return -1;
}
if (in_buf == NULL)
{
PERM();
return -1;
}
if (sz<0)
{
PERM();
return -1;
}
cnt = 0;
for (
i=0, j=ib->in_size,cnt=0;
(i<sz)&&(j<ib->max_in_size);
i++, j++,cnt++)
{
//PRINT("%d %d\n",i,j);
ib->buf_in[j] = in_buf[sz-i-1];
}
ib->in_size = j;
fret = __irc_buf_drain_io(ib);
if (fret == 0)
{
printf("Cant do it pal\n");
}
//printf("%d %d\n",sz,cnt);
ret = fret;
return ret;
}
int irc_buf_putc(irc_buf *ib, char c)
{
printf("Not implemtented\n");
return -1;
}
//return size of output buffer
int irc_buf_sz(irc_buf *ib)
{
if (ib == NULL)
return -1;
return ib->out_size;
}
int irc_buf_ready(irc_buf *ib)
{
if (ib == NULL)
{
return -1;
}
return ib->ready;
}
//unset ready and return line
char *irc_buf_line(irc_buf *ib)
{
char *ret = NULL;
if (ib == NULL)
{
PERM();
return NULL;
}
if (ib->ready == 0)
{
PERM();
return NULL;
}
ret = alloc_new_str_s(ib->buf_out, ib->out_size);
if (ret == NULL)
{
PERM();
return NULL;
}
ib->ready = 0;
ib->out_size = 0;
return ret;
}
int irc_buf_destroy(irc_buf *ib)
{
if (ib == NULL)
{
return -1;
}
free(ib->buf_in);
free(ib->buf_out);
free(ib);
return 0;
}
/*
connect to hostname:port return fd>0 if connection succesful
*/
int irc_connect( char *hostname, char *port )
{
int fd=0;
int fret=-1;
struct addrinfo serv, *res;
if (hostname == NULL)
{
PERM();
return -1;
}
if (port == NULL)
{
PERM();
return -1;
}
memset(&serv, 0, sizeof(serv));
serv.ai_family = AF_INET;
serv.ai_socktype = SOCK_STREAM;
if (0 != getaddrinfo(hostname, port, &serv, &res))
{
PERM();
perror("Couldnt get addr info");
return -1;
}
fd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
fret = connect(fd, res->ai_addr, res->ai_addrlen);
if (fret!=0)
{
PERM();
return -1;
}
//?
//freeaddrinfo(&serv);
return fd;
}
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