diff options
Diffstat (limited to 'src/ipcpd/local/main.c')
| -rw-r--r-- | src/ipcpd/local/main.c | 58 |
1 files changed, 46 insertions, 12 deletions
diff --git a/src/ipcpd/local/main.c b/src/ipcpd/local/main.c index 377a7df3..c0aeb51e 100644 --- a/src/ipcpd/local/main.c +++ b/src/ipcpd/local/main.c @@ -38,6 +38,7 @@ #include <ouroboros/ipcp.h> #include <ouroboros/ipcp-dev.h> #include <ouroboros/local-dev.h> +#include <ouroboros/np1_flow.h> #include "ipcp.h" #include "np1.h" @@ -203,7 +204,8 @@ static int local_ipcp_flow_alloc(int fd, HASH_VAL32(dst), fd); assert(dst); - out_fd = ipcp_wait_flow_req_arr(dst, qs, IPCP_LOCAL_MPL, data); + out_fd = ipcp_wait_flow_req_arr(dst, qs, IPCP_LOCAL_MPL, + IPCP_LOCAL_MTU, data); if (out_fd < 0) { log_dbg("Flow allocation failed: %d", out_fd); return -1; @@ -236,15 +238,6 @@ static int local_ipcp_flow_alloc_resp(int fd, return -1; } - if (response < 0) { - pthread_rwlock_wrlock(&local_data.lock); - if (local_data.in_out[fd] != -1) - local_data.in_out[local_data.in_out[fd]] = fd; - local_data.in_out[fd] = -1; - pthread_rwlock_unlock(&local_data.lock); - return 0; - } - pthread_rwlock_rdlock(&local_data.lock); out_fd = local_data.in_out[fd]; @@ -263,9 +256,17 @@ static int local_ipcp_flow_alloc_resp(int fd, return -1; } + if (response < 0) { + ipcp_flow_alloc_reply(out_fd, response, mpl, + IPCP_LOCAL_MTU, data); + log_info("Flow allocation rejected, fds (%d, %d).", out_fd, fd); + return 0; + } + fset_add(local_data.flows, fd); - if (ipcp_flow_alloc_reply(out_fd, response, mpl, data) < 0) { + if (ipcp_flow_alloc_reply(out_fd, response, mpl, + IPCP_LOCAL_MTU, data) < 0) { log_err("Failed to reply to allocation"); fset_del(local_data.flows, fd); return -1; @@ -297,6 +298,38 @@ static int local_ipcp_flow_dealloc(int fd) return 0; } +/* Loopback relay: deliver the update back to the peer end (same IRMd). */ +static int local_ipcp_flow_update(int fd, + const buffer_t * data) +{ + int out_fd; + int out_flow_id; + + pthread_rwlock_rdlock(&local_data.lock); + + out_fd = local_data.in_out[fd]; + + pthread_rwlock_unlock(&local_data.lock); + + if (out_fd == -1) { + log_err("Flow update on fd %d with no peer.", fd); + return -1; + } + + out_flow_id = np1_flow_id(out_fd); + if (out_flow_id < 0) { + log_err("No flow_id for peer fd %d.", out_fd); + return -1; + } + + if (ipcp_flow_update_arr(out_flow_id, data) < 0) { + log_err("Failed to relay flow update to fd %d.", out_fd); + return -1; + } + + return 0; +} + static struct ipcp_ops local_ops = { .ipcp_bootstrap = local_ipcp_bootstrap, .ipcp_enroll = NULL, @@ -308,7 +341,8 @@ static struct ipcp_ops local_ops = { .ipcp_flow_alloc = local_ipcp_flow_alloc, .ipcp_flow_join = NULL, .ipcp_flow_alloc_resp = local_ipcp_flow_alloc_resp, - .ipcp_flow_dealloc = local_ipcp_flow_dealloc + .ipcp_flow_dealloc = local_ipcp_flow_dealloc, + .ipcp_flow_update = local_ipcp_flow_update }; int main(int argc, |