/**
* sip_create_IPC_sock creates and bind the socket for IPC.
*
* @param[in]name - pointer to the const. character for the
* IPC address (name) to be bound when the
* IPC socket is successfully created.
*
* @return cpr_socket_t - Returns a valid CPR's socket if
* the socket is created sucessafully otherwise
* returns INVALID_SOCKET.
* @pre (name != NULL)
*/
static cpr_socket_t sip_create_IPC_sock (const char *name)
{
const char *fname = "sip_create_IPC_sock";
cpr_socket_t sock;
cpr_sockaddr_un_t addr;
/* Create socket */
sock = cprSocket(AF_LOCAL, SOCK_DGRAM, 0);
if (sock == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"cprSocket() returned error"
" errno=%d\n", fname, cpr_errno);
return (INVALID_SOCKET);
}
/* Bind to the local socket */
cpr_set_sockun_addr(&addr, name, getpid());
/* make sure file doesn't already exist */
unlink(addr.sun_path);
/* do the bind */
if (cprBind(sock, (cpr_sockaddr_t *)&addr,
cpr_sun_len(addr)) == CPR_FAILURE) {
(void) sipSocketClose(sock, FALSE);
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"cprBind() failed"
" errno=%d\n", fname, cpr_errno);
return (INVALID_SOCKET);
}
return (sock);
}
int
sip_platform_udp_channel_create (cpr_ip_mode_e ip_mode, cpr_socket_t *s,
cpr_ip_addr_t *remote_ipaddr,
uint16_t remote_port,
uint32_t local_udp_port)
{
static const char *fname = "sip_platform_udp_channel_create";
cpr_sockaddr_storage sock_addr;
uint16_t addr_len;
cpr_sockaddr_storage local_sock_addr;
cpr_ip_addr_t local_signaladdr;
int tos_dscp_val = 0; // set to default if there is no config. for dscp
CPR_IP_ADDR_INIT(local_signaladdr);
if (*s != INVALID_SOCKET) {
(void) sipSocketClose(*s, FALSE);
}
if (ip_mode == CPR_IP_MODE_IPV6 ||
ip_mode == CPR_IP_MODE_DUAL) {
af_family_connect = AF_INET6;
} else {
af_family_connect = AF_INET;
}
/*
* Create socket
*/
*s = cprSocket(af_family_connect, SOCK_DGRAM, 0);
if (*s == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSocket unable to open socket",
cpr_errno);
/* Try opening ipv4 socket */
if (ip_mode == CPR_IP_MODE_DUAL) {
CCSIP_DEBUG_TASK("%s: cprSocket Open failed for IPv6 trying IPv4",
fname);
af_family_connect = AF_INET;
*s = cprSocket(af_family_connect, SOCK_DGRAM, 0);
if (*s == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSocket unable to open AF_INET socket",
cpr_errno);
return SIP_ERROR;
}
}
}
sip_config_get_net_device_ipaddr(&local_signaladdr);
memset(&local_sock_addr, 0, sizeof(local_sock_addr));
(void) sip_set_sockaddr(&local_sock_addr, af_family_connect, local_signaladdr, 0, &addr_len);
CCSIP_DEBUG_REG_STATE(DEB_F_PREFIX"local_signaladdr.u.ip4=%x\n",
DEB_F_PREFIX_ARGS(SIP_SDP, fname), local_signaladdr.u.ip4);
if(cprBind(*s, (cpr_sockaddr_t *)&local_sock_addr, addr_len)){
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"UDP bind failed with errno %d\n", fname, cpr_errno);
(void) sipSocketClose(*s, FALSE);
*s = INVALID_SOCKET;
return SIP_ERROR;
}
/*
* Connect to remote address
*/
(void) sip_set_sockaddr(&sock_addr, af_family_connect, *remote_ipaddr,
remote_port, &addr_len);
/* if (cprConnect(*s, (cpr_sockaddr_t *)&sock_addr, addr_len) == CPR_FAILURE) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprConnect", cpr_errno);
(void) sipSocketClose(*s, FALSE);
*s = INVALID_SOCKET;
return SIP_ERROR;
}
*/
// set IP tos/dscp value for SIP messaging
config_get_value(CFGID_DSCP_FOR_CALL_CONTROL, (int *)&tos_dscp_val,
sizeof(tos_dscp_val));
if (cprSetSockOpt(*s, SOL_IP, IP_TOS, (void *)&tos_dscp_val,
sizeof(tos_dscp_val)) == CPR_FAILURE) {
// do NOT take hard action; just log the error and move on
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"Unable to set IP TOS %d on UDP socket. "
"cpr_errno = %d\n", fname, tos_dscp_val, cpr_errno);
}
return SIP_OK;
}
int
sip_platform_udp_channel_listen (cpr_ip_mode_e ip_mode, cpr_socket_t *s,
cpr_ip_addr_t *local_ipaddr,
uint16_t local_port)
{
static const char fname[] = "sip_platform_udp_channel_listen";
cpr_sockaddr_storage sock_addr;
uint16_t addr_len;
/*
* If socket passed is is not INVALID_SOCKET close it first
*/
if (*s != INVALID_SOCKET) {
if (sipSocketClose(*s, FALSE) != CPR_SUCCESS) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "sipSocketClose", cpr_errno);
}
sip_platform_task_reset_listen_socket(*s);
}
/*
* Create a socket
*/
if (ip_mode == CPR_IP_MODE_IPV6 ||
ip_mode == CPR_IP_MODE_DUAL) {
af_family_listen = AF_INET6;
} else {
af_family_listen = AF_INET;
}
*s = cprSocket(af_family_listen, SOCK_DGRAM, 0);
if (*s == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSocket unable to open socket", cpr_errno);
if (ip_mode == CPR_IP_MODE_DUAL) {
af_family_listen = AF_INET;
CCSIP_DEBUG_TASK(DEB_F_PREFIX"Socket open failed for IPv6 using IPv4 address.",
DEB_F_PREFIX_ARGS(SIP_SDP, fname));
*s = cprSocket(af_family_listen, SOCK_DGRAM, 0);
if (*s == INVALID_SOCKET) {
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprSocket unable to open socket for IPv4",
cpr_errno);
return SIP_ERROR;
}
}
}
(void) sip_set_sockaddr(&sock_addr, af_family_listen, *local_ipaddr,
local_port, &addr_len);
if (cprBind(*s, (cpr_sockaddr_t *)&sock_addr, addr_len) == CPR_FAILURE) {
(void) sipSocketClose(*s, FALSE);
*s = INVALID_SOCKET;
CCSIP_DEBUG_ERROR(get_debug_string(DEBUG_GENERAL_SYSTEMCALL_FAILED),
fname, "cprBind", cpr_errno);
return SIP_ERROR;
}
sip_platform_task_set_listen_socket(*s);
return SIP_OK;
}
