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libipc-old
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callbacks kinda ok

pollfd
Karchnu 2020-07-08 18:51:25 +02:00
parent 553a550d97
commit 58aab88dbf
2 changed files with 48 additions and 21 deletions
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13
src/ipc.h
View File

@ -247,10 +247,10 @@ struct ipc_messages {
struct ipc_switching {
int orig;
int dest;
int (*orig_in) (int origin_fd, struct ipc_message *m);
int (*orig_out) (int origin_fd, struct ipc_message *m);
int (*dest_in) (int origin_fd, struct ipc_message *m);
int (*dest_out) (int origin_fd, struct ipc_message *m);
enum ipccb (*orig_in) (int origin_fd, struct ipc_message *m);
enum ipccb (*orig_out) (int origin_fd, struct ipc_message *m);
enum ipccb (*dest_in) (int origin_fd, struct ipc_message *m);
enum ipccb (*dest_out) (int origin_fd, struct ipc_message *m);
};
struct ipc_switchings {
@ -392,6 +392,11 @@ void ipc_switching_add (struct ipc_switchings *is, int orig, int dest);
int ipc_switching_del (struct ipc_switchings *is, int fd);
int ipc_switching_get (struct ipc_switchings *is, int fd);
void ipc_switching_free (struct ipc_switchings *is);
void ipc_switching_callbacks (
struct ipc_ctx *ctx
, int fd
, enum ipccb (*cb_in )(int fd, struct ipc_message *m)
, enum ipccb (*cb_out)(int fd, struct ipc_message *m));
int ipc_ctx_fd_type (struct ipc_ctx *ctx, int fd, enum ipc_connection_type type);

56
src/network.c
View File

@ -145,14 +145,14 @@ int ipc_switching_del (struct ipc_switchings *is, int fd)
*/
int ipc_switching_get_ (const struct ipc_switchings *is
, int fd
, struct ipc_switching *s)
, struct ipc_switching **s)
{
for (size_t i = 0; i < is->size; i++) {
if (is->collection[i].orig == fd) {
*s = is->collection[i];
*s = &is->collection[i];
return 0;
} else if (is->collection[i].dest == fd) {
*s = is->collection[i];
*s = &is->collection[i];
return 1;
}
}
@ -239,6 +239,28 @@ default_cb_out(int fd, struct ipc_message *m)
return IPC_CB_NO_ERROR;
}
void ipc_switching_callbacks (
struct ipc_ctx *ctx
, int fd
, enum ipccb (*cb_in )(int fd, struct ipc_message *m)
, enum ipccb (*cb_out)(int fd, struct ipc_message *m))
{
struct ipc_switching *sw = NULL;
int is_valid = ipc_switching_get_ (&ctx->switchdb, fd, &sw);
if (is_valid == -1) {
return;
}
if (sw->orig == fd) {
sw->orig_in = cb_in;
sw->orig_out = cb_out;
}
else {
sw->dest_in = cb_in;
sw->dest_out = cb_out;
}
}
/**
* fd_switching_read allows to read a message from a switched fd.
*/
@ -252,7 +274,7 @@ struct ipc_error fd_switching_read (struct ipc_event *event, struct ipc_ctx *ctx
int talkingfd = ctx->pollfd[index].fd;
int dest_fd = -1;
struct ipc_switching sw;
struct ipc_switching *sw = NULL;
struct ipc_message m;
enum ipccb r;
@ -262,22 +284,22 @@ struct ipc_error fd_switching_read (struct ipc_event *event, struct ipc_ctx *ctx
T_R ((is_valid == -1), IPC_ERROR_FD_SWITCHING__NO_FD_RECORD);
if (sw.orig == talkingfd) {
dest_fd = sw.dest;
if (sw.orig_in == NULL) {
if (sw->orig == talkingfd) {
dest_fd = sw->dest;
if (sw->orig_in == NULL) {
r = default_cb_in (talkingfd, &m);
}
else {
r = (*sw.orig_in)(talkingfd, &m);
r = (*sw->orig_in)(talkingfd, &m);
}
}
else {
dest_fd = sw.orig;
if (sw.dest_in == NULL) {
dest_fd = sw->orig;
if (sw->dest_in == NULL) {
r = default_cb_in (talkingfd, &m);
}
else {
r = (*sw.dest_in)(talkingfd, &m);
r = (*sw->dest_in)(talkingfd, &m);
}
}
@ -330,7 +352,7 @@ struct ipc_error fd_switching_write (struct ipc_event *event, struct ipc_ctx *ct
T_R ((ctx->switchdb.size == 0), IPC_ERROR_FD_SWITCHING__NO_FD_RECORD);
int output_fd = ctx->pollfd[index].fd;
struct ipc_switching sw;
struct ipc_switching *sw = NULL;
struct ipc_message *m = NULL;
size_t i;
@ -351,20 +373,20 @@ struct ipc_error fd_switching_write (struct ipc_event *event, struct ipc_ctx *ct
T_R ((is_valid == -1), IPC_ERROR_FD_SWITCHING__NO_FD_RECORD);
if (sw.orig == output_fd) {
if (sw.orig_in == NULL) {
if (sw->orig == output_fd) {
if (sw->orig_in == NULL) {
r = default_cb_out (output_fd, m);
}
else {
r = (*sw.orig_out)(output_fd, m);
r = (*sw->orig_out)(output_fd, m);
}
}
else {
if (sw.dest_in == NULL) {
if (sw->dest_in == NULL) {
r = default_cb_out (output_fd, m);
}
else {
r = (*sw.dest_out)(output_fd, m);
r = (*sw->dest_out)(output_fd, m);
}
}