libosmo-netif
1.4.0.19-26cd.202401052026
Osmocom network interface library
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Osmocom stream socket helpers (server side) More...
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include <sys/fcntl.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/select.h>
#include <osmocom/core/utils.h>
#include <osmocom/gsm/tlv.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/osmo_io.h>
#include <osmocom/core/panic.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/socket.h>
#include <osmocom/netif/stream.h>
#include <osmocom/netif/stream_private.h>
#include "config.h"
#include <osmocom/netif/sctp.h>
Data Structures | |
struct | osmo_stream_srv_link |
struct | osmo_stream_srv |
Functions | |
static int | _setsockopt_nosigpipe (struct osmo_stream_srv_link *link, int new_fd) |
static int | osmo_stream_srv_link_ofd_cb (struct osmo_fd *ofd, unsigned int what) |
struct osmo_stream_srv_link * | osmo_stream_srv_link_create (void *ctx) |
Create an Osmocom Stream Server Link A Stream Server Link is the listen()+accept() "parent" to individual Stream Servers. More... | |
void | osmo_stream_srv_link_set_name (struct osmo_stream_srv_link *link, const char *name) |
Set a name on the srv_link object (used during logging) More... | |
void | osmo_stream_srv_link_set_nodelay (struct osmo_stream_srv_link *link, bool nodelay) |
Set the NODELAY socket option to avoid Nagle-like behavior Setting this to nodelay=true will automatically set the NODELAY socket option on any socket established via this server link, before calling the accept_cb() More... | |
void | osmo_stream_srv_link_set_addr (struct osmo_stream_srv_link *link, const char *addr) |
Set the local address to which we bind. More... | |
int | osmo_stream_srv_link_set_addrs (struct osmo_stream_srv_link *link, const char **addr, size_t addrcnt) |
Set the local address set to which we bind. Useful for protocols allowing bind on more than one address (such as SCTP) More... | |
void | osmo_stream_srv_link_set_port (struct osmo_stream_srv_link *link, uint16_t port) |
Set the local port number to which we bind. More... | |
void | osmo_stream_srv_link_set_proto (struct osmo_stream_srv_link *link, uint16_t proto) |
Set the protocol for the stream server link. More... | |
int | osmo_stream_srv_link_set_type (struct osmo_stream_srv_link *link, int type) |
Set the socket type for the stream server link. More... | |
int | osmo_stream_srv_link_set_domain (struct osmo_stream_srv_link *link, int domain) |
Set the socket type for the stream server link. More... | |
void | osmo_stream_srv_link_set_data (struct osmo_stream_srv_link *link, void *data) |
Set application private data of the stream server link. More... | |
void * | osmo_stream_srv_link_get_data (struct osmo_stream_srv_link *link) |
Get application private data of the stream server link. More... | |
static char * | get_local_sockname_buf (char *buf, size_t buf_len, int fd, int proto) |
char * | osmo_stream_srv_link_get_sockname (const struct osmo_stream_srv_link *link) |
Get description of the stream server link e. g. 127.0.0.1:1234. More... | |
struct osmo_fd * | osmo_stream_srv_link_get_ofd (struct osmo_stream_srv_link *link) |
Get Osmocom File Descriptor of the stream server link. More... | |
int | osmo_stream_srv_link_get_fd (const struct osmo_stream_srv_link *link) |
Get File Descriptor of the stream server link. More... | |
void | osmo_stream_srv_link_set_accept_cb (struct osmo_stream_srv_link *link, int(*accept_cb)(struct osmo_stream_srv_link *link, int fd)) |
Set the accept() call-back of the stream server link. More... | |
void | osmo_stream_srv_link_destroy (struct osmo_stream_srv_link *link) |
Destroy the stream server link. Closes + Releases Memory. More... | |
int | osmo_stream_srv_link_open (struct osmo_stream_srv_link *link) |
Open the stream server link. This actually initializes the underlying socket and binds it to the configured ip/port. More... | |
bool | osmo_stream_srv_link_is_opened (const struct osmo_stream_srv_link *link) |
Check whether the stream server link is opened. More... | |
void | osmo_stream_srv_link_close (struct osmo_stream_srv_link *link) |
Close the stream server link and unregister from select loop Does not destroy the server link, merely closes it! More... | |
int | osmo_stream_srv_link_set_param (struct osmo_stream_srv_link *link, enum osmo_stream_srv_link_param par, void *val, size_t val_len) |
static void | stream_srv_iofd_read_cb (struct osmo_io_fd *iofd, int res, struct msgb *msg) |
static void | stream_srv_iofd_write_cb (struct osmo_io_fd *iofd, int res, struct msgb *msg) |
static int | osmo_stream_srv_read (struct osmo_stream_srv *conn) |
static void | osmo_stream_srv_write (struct osmo_stream_srv *conn) |
static int | osmo_stream_srv_cb (struct osmo_fd *ofd, unsigned int what) |
struct osmo_stream_srv * | osmo_stream_srv_create (void *ctx, struct osmo_stream_srv_link *link, int fd, int(*read_cb)(struct osmo_stream_srv *conn), int(*closed_cb)(struct osmo_stream_srv *conn), void *data) |
Create a Stream Server inside the specified link. More... | |
struct osmo_stream_srv * | osmo_stream_srv_create2 (void *ctx, struct osmo_stream_srv_link *link, int fd, void *data) |
Create a Stream Server inside the specified link. More... | |
void | osmo_stream_srv_set_name (struct osmo_stream_srv *conn, const char *name) |
Set a name on the srv object (used during logging) More... | |
void | osmo_stream_srv_set_read_cb (struct osmo_stream_srv *conn, int(*read_cb)(struct osmo_stream_srv *conn, struct msgb *msg)) |
Set the call-back function when data was read from the stream server socket Only for osmo_stream_srv created with osmo_stream_srv_create2() More... | |
void | osmo_stream_srv_set_closed_cb (struct osmo_stream_srv *conn, int(*closed_cb)(struct osmo_stream_srv *conn)) |
Set the call-back function called when the stream server socket was closed. More... | |
void | osmo_stream_srv_set_flush_and_destroy (struct osmo_stream_srv *conn) |
Prepare to send out all pending messages on the connection's Tx queue and then automatically destroy the stream with osmo_stream_srv_destroy(). This function disables queuing of new messages on the connection and also disables reception of new messages on the connection. More... | |
void | osmo_stream_srv_set_data (struct osmo_stream_srv *conn, void *data) |
Set application private data of the stream server. More... | |
void | osmo_stream_srv_set_segmentation_cb (struct osmo_stream_srv *conn, int(*segmentation_cb)(struct msgb *msg)) |
Set the segmentation callback for target osmo_stream_srv structure. The connection has to have been established prior to calling this function. More... | |
void * | osmo_stream_srv_get_data (struct osmo_stream_srv *conn) |
Get application private data of the stream server. More... | |
const char * | osmo_stream_srv_get_sockname (const struct osmo_stream_srv *conn) |
Get the stream server socket description. More... | |
struct osmo_fd * | osmo_stream_srv_get_ofd (struct osmo_stream_srv *conn) |
Get Osmocom File Descriptor of the stream server. More... | |
int | osmo_stream_srv_get_fd (const struct osmo_stream_srv *conn) |
Get File Descriptor of the stream server. More... | |
struct osmo_stream_srv_link * | osmo_stream_srv_get_master (struct osmo_stream_srv *conn) |
Get the master (Link) from a Stream Server. More... | |
void | osmo_stream_srv_destroy (struct osmo_stream_srv *conn) |
Destroy given Stream Server This function closes the Stream Server socket, unregisters from select loop, invokes the connection's closed_cb() callback to allow API users to clean up any associated state they have for this connection, and then de-allocates associated memory. More... | |
void | osmo_stream_srv_send (struct osmo_stream_srv *conn, struct msgb *msg) |
Enqueue data to be sent via an Osmocom stream server. More... | |
int | osmo_stream_srv_recv (struct osmo_stream_srv *conn, struct msgb *msg) |
Receive data via Osmocom stream server. More... | |
void | osmo_stream_srv_clear_tx_queue (struct osmo_stream_srv *conn) |
Variables | |
static struct osmo_io_ops | srv_ioops |
Osmocom stream socket helpers (server side)