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aprsis2: write header and tail around outgoing message

This commit is contained in:
Heikki Hannikainen 2013-06-27 00:54:30 +03:00
parent 4a751c6b85
commit 0d4c8b594a
1 changed files with 20 additions and 4 deletions
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24
src/aprsis2.c
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@ -5,6 +5,22 @@
#include "aprsis2.pb-c.h" #include "aprsis2.pb-c.h"
#include "version.h" #include "version.h"
#define IS2_HEAD_LEN 4
#define IS2_TAIL_LEN 1
static void *is2_allocate_buffer(int len)
{
int nlen = len + IS2_HEAD_LEN + IS2_TAIL_LEN;
char *buf = hmalloc(nlen);
uint32_t *ip = (uint32_t *)buf;
*ip = htonl(len);
buf[nlen-1] = '\n';
return (void *)buf;
}
int is2_out_server_signature(struct worker_t *self, struct client_t *c) int is2_out_server_signature(struct worker_t *self, struct client_t *c)
{ {
ServerSignature sig = SERVER_SIGNATURE__INIT; ServerSignature sig = SERVER_SIGNATURE__INIT;
@ -14,17 +30,17 @@ int is2_out_server_signature(struct worker_t *self, struct client_t *c)
sig.app_name = verstr_progname; sig.app_name = verstr_progname;
sig.app_version = version_build; sig.app_version = version_build;
len = server_signature__get_packed_size(&sig); len = server_signature__get_packed_size(&sig);
buf = hmalloc(len); buf = is2_allocate_buffer(len);
server_signature__pack(&sig, buf); server_signature__pack(&sig, buf + IS2_HEAD_LEN);
c->write(self, c, buf, len); c->write(self, c, buf, len + IS2_HEAD_LEN + IS2_TAIL_LEN);
hfree(buf); hfree(buf);
return 0; return 0;
} }
int is2_in_server_signature(struct worker_t *self, struct client_t *c) int is2_data_in(struct worker_t *self, struct client_t *c)
{ {
return 0; return 0;
} }