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Bugfixes, added version API, larger data size

This commit is contained in:
adamdunkels 2007-03-21 23:18:23 +00:00
parent c3956ccc0f
commit 18fbc76433
2 changed files with 35 additions and 8 deletions
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34
apps/rudolph/rudolph0.c
View File

@ -28,7 +28,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* $Id: rudolph0.c,v 1.1 2007/03/20 12:25:27 adamdunkels Exp $ * $Id: rudolph0.c,v 1.2 2007/03/21 23:18:23 adamdunkels Exp $
*/ */
/** /**
@ -57,6 +57,8 @@ enum {
STATE_SENDER, STATE_SENDER,
}; };
#define VERSION_LT(a, b) ((signed char)((a) - (b)) < 0)
#define DEBUG 0 #define DEBUG 0
#if DEBUG #if DEBUG
#include <stdio.h> #include <stdio.h>
@ -74,7 +76,7 @@ read_new_datapacket(struct rudolph0_conn *c)
len = cfs_read(c->cfs_fd, c->current.data, RUDOLPH0_DATASIZE); len = cfs_read(c->cfs_fd, c->current.data, RUDOLPH0_DATASIZE);
c->current.datalen = len; c->current.datalen = len;
PRINTF("read_new_datapacket len %d\n", c->current.datalen); PRINTF("read_new_datapacket len %d\n", len);
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static void static void
@ -104,7 +106,7 @@ sent(struct sabc_conn *sabc)
read_new_datapacket(c); read_new_datapacket(c);
} else { } else {
sabc_set_timer(&c->c, STEADY_TIME); sabc_set_timer(&c->c, STEADY_TIME);
PRINTF("Sending the same data chunk next time datalen %d, %d\n", PRINTF("Steady: Sending the same data chunk next time datalen %d, %d\n",
c->current.datalen, RUDOLPH0_DATASIZE); c->current.datalen, RUDOLPH0_DATASIZE);
} }
} }
@ -120,8 +122,11 @@ recv(struct sabc_conn *sabc)
}*/ }*/
if(p->h.type == TYPE_DATA) { if(p->h.type == TYPE_DATA) {
if(p->h.version > c->current.h.version) { if(c->current.h.version != p->h.version) {
PRINTF("rudolph0 new version %d\n", p->h.version); PRINTF("rudolph0 new version %d\n", p->h.version);
if(c->cfs_fd != -1) {
cfs_close(c->cfs_fd);
}
c->cfs_fd = c->cb->new_file(c); c->cfs_fd = c->cb->new_file(c);
c->current.h.version = p->h.version; c->current.h.version = p->h.version;
c->current.h.chunk = 0; c->current.h.chunk = 0;
@ -140,8 +145,11 @@ recv(struct sabc_conn *sabc)
cfs_write(c->cfs_fd, p->data, p->datalen); cfs_write(c->cfs_fd, p->data, p->datalen);
c->current.h.chunk++; c->current.h.chunk++;
if(p->datalen < RUDOLPH0_DATASIZE) { if(p->datalen < RUDOLPH0_DATASIZE) {
c->cb->received_file(c, c->cfs_fd); cfs_close(c->cfs_fd);
c->cfs_fd = -1;
c->cb->received_file(c);
} }
} else if(p->h.chunk > c->current.h.chunk) { } else if(p->h.chunk > c->current.h.chunk) {
PRINTF("received chunk %d > %d, sending NACK\n", p->h.chunk, c->current.h.chunk); PRINTF("received chunk %d > %d, sending NACK\n", p->h.chunk, c->current.h.chunk);
send_nack(c); send_nack(c);
@ -188,6 +196,7 @@ rudolph0_open(struct rudolph0_conn *c, u16_t channel,
c->cb = cb; c->cb = cb;
c->current.h.version = 0; c->current.h.version = 0;
c->state = STATE_RECEIVER; c->state = STATE_RECEIVER;
c->cfs_fd = -1;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
void void
@ -200,6 +209,9 @@ rudolph0_close(struct rudolph0_conn *c)
void void
rudolph0_send(struct rudolph0_conn *c, int cfs_fd) rudolph0_send(struct rudolph0_conn *c, int cfs_fd)
{ {
if(c->cfs_fd != -1) {
cfs_close(c->cfs_fd);
}
c->state = STATE_SENDER; c->state = STATE_SENDER;
c->cfs_fd = cfs_fd; c->cfs_fd = cfs_fd;
c->current.h.version++; c->current.h.version++;
@ -210,3 +222,15 @@ rudolph0_send(struct rudolph0_conn *c, int cfs_fd)
sabc_send_stubborn(&c->c, SENDING_TIME); sabc_send_stubborn(&c->c, SENDING_TIME);
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
int
rudolph0_version(struct rudolph0_conn *c)
{
return c->current.h.version;
}
/*---------------------------------------------------------------------------*/
void
rudolph0_set_version(struct rudolph0_conn *c, int version)
{
c->current.h.version = version;
}
/*---------------------------------------------------------------------------*/

9
apps/rudolph/rudolph0.h
View File

@ -28,7 +28,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* $Id: rudolph0.h,v 1.1 2007/03/20 12:25:27 adamdunkels Exp $ * $Id: rudolph0.h,v 1.2 2007/03/21 23:18:23 adamdunkels Exp $
*/ */
/** /**
@ -50,10 +50,10 @@ struct rudolph0_conn;
struct rudolph0_callbacks { struct rudolph0_callbacks {
int (* new_file)(struct rudolph0_conn *c); int (* new_file)(struct rudolph0_conn *c);
void (* received_file)(struct rudolph0_conn *c, int cfs_fd); void (* received_file)(struct rudolph0_conn *c);
}; };
#define RUDOLPH0_DATASIZE 32 #define RUDOLPH0_DATASIZE 64
struct rudolph0_hdr { struct rudolph0_hdr {
u8_t type; u8_t type;
@ -81,4 +81,7 @@ void rudolph0_open(struct rudolph0_conn *c, u16_t channel,
void rudolph0_close(struct rudolph0_conn *c); void rudolph0_close(struct rudolph0_conn *c);
void rudolph0_send(struct rudolph0_conn *c, int cfs_fd); void rudolph0_send(struct rudolph0_conn *c, int cfs_fd);
void rudolph0_set_version(struct rudolph0_conn *c, int version);
int rudolph0_version(struct rudolph0_conn *c);
#endif /* __RUDOLPH0_H__ */ #endif /* __RUDOLPH0_H__ */