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authorSander Vrijders <sander.vrijders@intec.ugent.be>2017-01-03 13:43:40 +0100
committerSander Vrijders <sander.vrijders@intec.ugent.be>2017-01-03 13:43:40 +0100
commit004b586fd6b381fd1292aa276342163123be560a (patch)
tree4734c9872a5b9b4b4cb12e9fab82bdb255a6591a /src/ipcpd/shim-udp
parent4ccd3e2c8af00963ac6d88aac587de016300ed90 (diff)
parent5ab96126078cb9166356beaff3458404664274ed (diff)
downloadouroboros-004b586fd6b381fd1292aa276342163123be560a.tar.gz
ouroboros-004b586fd6b381fd1292aa276342163123be560a.zip
Merged in dstaesse/ouroboros/be-qos (pull request #332)
lib, ipcpd, irmd: Proof of concept QoS
Diffstat (limited to 'src/ipcpd/shim-udp')
-rw-r--r--src/ipcpd/shim-udp/main.c32
-rw-r--r--src/ipcpd/shim-udp/shim_udp_messages.proto17
2 files changed, 29 insertions, 20 deletions
diff --git a/src/ipcpd/shim-udp/main.c b/src/ipcpd/shim-udp/main.c
index cdd02c49..12f586f0 100644
--- a/src/ipcpd/shim-udp/main.c
+++ b/src/ipcpd/shim-udp/main.c
@@ -196,10 +196,11 @@ static int send_shim_udp_msg(shim_udp_msg_t * msg, uint32_t dst_ip_addr)
return 0;
}
-static int ipcp_udp_port_alloc(uint32_t dst_ip_addr,
- uint16_t src_udp_port,
- char * dst_name,
- char * src_ae_name)
+static int ipcp_udp_port_alloc(uint32_t dst_ip_addr,
+ uint16_t src_udp_port,
+ char * dst_name,
+ char * src_ae_name,
+ qoscube_t cube)
{
shim_udp_msg_t msg = SHIM_UDP_MSG__INIT;
@@ -207,6 +208,8 @@ static int ipcp_udp_port_alloc(uint32_t dst_ip_addr,
msg.src_udp_port = src_udp_port;
msg.dst_name = dst_name;
msg.src_ae_name = src_ae_name;
+ msg.has_qoscube = true;
+ msg.qoscube = cube;
return send_shim_udp_msg(&msg, dst_ip_addr);
}
@@ -229,8 +232,9 @@ static int ipcp_udp_port_alloc_resp(uint32_t dst_ip_addr,
}
static int ipcp_udp_port_req(struct sockaddr_in * c_saddr,
- char * dst_name,
- char * src_ae_name)
+ char * dst_name,
+ char * src_ae_name,
+ qoscube_t cube)
{
int skfd;
int fd;
@@ -273,7 +277,7 @@ static int ipcp_udp_port_req(struct sockaddr_in * c_saddr,
pthread_rwlock_wrlock(&udp_data.flows_lock);
/* reply to IRM */
- fd = ipcp_flow_req_arr(getpid(), dst_name, src_ae_name);
+ fd = ipcp_flow_req_arr(getpid(), dst_name, src_ae_name, cube);
if (fd < 0) {
pthread_rwlock_unlock(&udp_data.flows_lock);
pthread_rwlock_unlock(&ipcpi.state_lock);
@@ -395,7 +399,8 @@ static void * ipcp_udp_listener(void * o)
c_saddr.sin_port = msg->src_udp_port;
ipcp_udp_port_req(&c_saddr,
msg->dst_name,
- msg->src_ae_name);
+ msg->src_ae_name,
+ msg->qoscube);
break;
case SHIM_UDP_MSG_CODE__FLOW_REPLY:
ipcp_udp_port_alloc_reply(msg->src_udp_port,
@@ -947,7 +952,7 @@ static int ipcp_udp_name_query(char * name)
static int ipcp_udp_flow_alloc(int fd,
char * dst_name,
char * src_ae_name,
- qoscube_t qos)
+ qoscube_t cube)
{
struct sockaddr_in r_saddr; /* server address */
struct sockaddr_in f_saddr; /* flow */
@@ -966,8 +971,10 @@ static int ipcp_udp_flow_alloc(int fd,
return -1;
}
- if (qos != QOS_CUBE_BE)
- LOG_DBG("QoS requested. UDP/IP can't do that.");
+ if (cube != QOS_CUBE_BE && cube != QOS_CUBE_FRC) {
+ LOG_DBG("Unsupported QoS requested.");
+ return -1;
+ }
skfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
@@ -1030,7 +1037,8 @@ static int ipcp_udp_flow_alloc(int fd,
if (ipcp_udp_port_alloc(ip_addr,
f_saddr.sin_port,
dst_name,
- src_ae_name) < 0) {
+ src_ae_name,
+ cube) < 0) {
pthread_rwlock_rdlock(&ipcpi.state_lock);
pthread_rwlock_wrlock(&udp_data.flows_lock);
diff --git a/src/ipcpd/shim-udp/shim_udp_messages.proto b/src/ipcpd/shim-udp/shim_udp_messages.proto
index f5a23b82..cc535a60 100644
--- a/src/ipcpd/shim-udp/shim_udp_messages.proto
+++ b/src/ipcpd/shim-udp/shim_udp_messages.proto
@@ -23,15 +23,16 @@
syntax = "proto2";
enum shim_udp_msg_code {
- FLOW_REQ = 1;
- FLOW_REPLY = 2;
+ FLOW_REQ = 1;
+ FLOW_REPLY = 2;
};
message shim_udp_msg {
- required shim_udp_msg_code code = 1;
- optional string dst_name = 2;
- optional string src_ae_name = 4;
- required uint32 src_udp_port = 5;
- optional uint32 dst_udp_port = 6;
- optional sint32 response = 7;
+ required shim_udp_msg_code code = 1;
+ optional string dst_name = 2;
+ optional string src_ae_name = 4;
+ required uint32 src_udp_port = 5;
+ optional uint32 dst_udp_port = 6;
+ optional uint32 qoscube = 7;
+ optional sint32 response = 8;
};