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Move file handling protocol stuff all into file.c so it can be reused

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more easily.
This commit is contained in:
nicm
2021-02-11 08:28:45 +00:00
parent 32186950f5
commit e40831a002
4 changed files with 445 additions and 356 deletions
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77
server-client.c
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@@ -51,12 +51,6 @@ static void server_client_dispatch(struct imsg *, void *);
static void server_client_dispatch_command(struct client *, struct imsg *);
static void server_client_dispatch_identify(struct client *, struct imsg *);
static void server_client_dispatch_shell(struct client *);
static void server_client_dispatch_write_ready(struct client *,
struct imsg *);
static void server_client_dispatch_read_data(struct client *,
struct imsg *);
static void server_client_dispatch_read_done(struct client *,
struct imsg *);
/* Compare client windows. */
static int
@@ -2070,13 +2064,13 @@ server_client_dispatch(struct imsg *imsg, void *arg)
server_client_dispatch_shell(c);
break;
case MSG_WRITE_READY:
server_client_dispatch_write_ready(c, imsg);
file_write_ready(&c->files, imsg);
break;
case MSG_READ:
server_client_dispatch_read_data(c, imsg);
file_read_data(&c->files, imsg);
break;
case MSG_READ_DONE:
server_client_dispatch_read_done(c, imsg);
file_read_done(&c->files, imsg);
break;
}
}
@@ -2302,71 +2296,6 @@ server_client_dispatch_shell(struct client *c)
proc_kill_peer(c->peer);
}
/* Handle write ready message. */
static void
server_client_dispatch_write_ready(struct client *c, struct imsg *imsg)
{
struct msg_write_ready *msg = imsg->data;
size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
struct client_file find, *cf;
if (msglen != sizeof *msg)
fatalx("bad MSG_WRITE_READY size");
find.stream = msg->stream;
if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
return;
if (msg->error != 0) {
cf->error = msg->error;
file_fire_done(cf);
} else
file_push(cf);
}
/* Handle read data message. */
static void
server_client_dispatch_read_data(struct client *c, struct imsg *imsg)
{
struct msg_read_data *msg = imsg->data;
size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
struct client_file find, *cf;
void *bdata = msg + 1;
size_t bsize = msglen - sizeof *msg;
if (msglen < sizeof *msg)
fatalx("bad MSG_READ_DATA size");
find.stream = msg->stream;
if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
return;
log_debug("%s: file %d read %zu bytes", c->name, cf->stream, bsize);
if (cf->error == 0) {
if (evbuffer_add(cf->buffer, bdata, bsize) != 0) {
cf->error = ENOMEM;
file_fire_done(cf);
} else
file_fire_read(cf);
}
}
/* Handle read done message. */
static void
server_client_dispatch_read_done(struct client *c, struct imsg *imsg)
{
struct msg_read_done *msg = imsg->data;
size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
struct client_file find, *cf;
if (msglen != sizeof *msg)
fatalx("bad MSG_READ_DONE size");
find.stream = msg->stream;
if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
return;
log_debug("%s: file %d read done", c->name, cf->stream);
cf->error = msg->error;
file_fire_done(cf);
}
/* Get client working directory. */
const char *
server_client_get_cwd(struct client *c, struct session *s)