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author | dimitri staessens <dimitri.staessens@intec.ugent.be> | 2016-04-01 15:01:51 +0200 |
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committer | dimitri staessens <dimitri.staessens@intec.ugent.be> | 2016-04-01 15:01:51 +0200 |
commit | 65591e5211fb3c44450c52d7534918902e0760d5 (patch) | |
tree | b3f21e0bdb9cf0e773962db73be041bb86d0ee44 /src/lib/ipcp.c | |
parent | 3d859bb9a75932a6cffdd37466d510b479c9aa71 (diff) | |
parent | 0e1aeba4f2d2de3ce827bfaeb1d9f2480e628529 (diff) | |
download | ouroboros-65591e5211fb3c44450c52d7534918902e0760d5.tar.gz ouroboros-65591e5211fb3c44450c52d7534918902e0760d5.zip |
Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into be-build
Diffstat (limited to 'src/lib/ipcp.c')
-rw-r--r-- | src/lib/ipcp.c | 431 |
1 files changed, 366 insertions, 65 deletions
diff --git a/src/lib/ipcp.c b/src/lib/ipcp.c index 53d717ba..d61fcb50 100644 --- a/src/lib/ipcp.c +++ b/src/lib/ipcp.c @@ -22,14 +22,10 @@ #define OUROBOROS_PREFIX "lib-ipcp" -#ifndef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 199506L -#endif - +#include <ouroboros/config.h> #include <ouroboros/ipcp.h> #include <ouroboros/common.h> #include <ouroboros/logs.h> -#include <ouroboros/config.h> #include <ouroboros/utils.h> #include <ouroboros/sockets.h> @@ -39,47 +35,72 @@ #include <sys/types.h> #include <sys/wait.h> -static int send_ipcp_msg(pid_t pid, - struct ipcp_msg * msg) +static ipcp_msg_t * send_recv_ipcp_msg(pid_t pid, + ipcp_msg_t * msg) { int sockfd = 0; - buffer_t * buf = NULL; - char * sock_path; + buffer_t buf; + char * sock_path = NULL; + ssize_t count = 0; + ipcp_msg_t * recv_msg = NULL; sock_path = ipcp_sock_path(pid); if (sock_path == NULL) - return -1; + return NULL; sockfd = client_socket_open(sock_path); if (sockfd < 0) { free(sock_path); - return -1; + return NULL; } - buf = serialize_ipcp_msg(msg); - if (buf == NULL) { + buf.size = ipcp_msg__get_packed_size(msg); + if (buf.size == 0) { + close(sockfd); free(sock_path); + return NULL; + } + + buf.data = malloc(buf.size); + if (buf.data == NULL) { close(sockfd); - return -1; + free(sock_path); + return NULL; } - if (write(sockfd, buf->data, buf->size) == -1) { + ipcp_msg__pack(msg, buf.data); + + if (write(sockfd, buf.data, buf.size) == -1) { free(sock_path); - free(buf->data); - free(buf); + free(buf.data); close(sockfd); - return -1; + return NULL; } - free(buf->data); - free(buf); + count = read(sockfd, buf.data, IPCP_MSG_BUF_SIZE); + if (count <= 0) { + free(sock_path); + free(buf.data); + close(sockfd); + return NULL; + } + + recv_msg = ipcp_msg__unpack(NULL, count, buf.data); + if (recv_msg == NULL) { + free(sock_path); + free(buf.data); + close(sockfd); + return NULL; + } + free(buf.data); + free(sock_path); close(sockfd); - return 0; + return recv_msg; } -pid_t ipcp_create(rina_name_t name, - char * ipcp_type) +pid_t ipcp_create(instance_name_t * api, + char * ipcp_type) { pid_t pid = 0; char * api_id = NULL; @@ -90,6 +111,8 @@ pid_t ipcp_create(rina_name_t name, if (ipcp_type == NULL) return -1; + LOG_DBG("%lu", _POSIX_C_SOURCE); + pid = fork(); if (pid == -1) { LOG_ERR("Failed to fork"); @@ -100,12 +123,12 @@ pid_t ipcp_create(rina_name_t name, return pid; } - api_id = malloc(n_digits(name.api_id) + 1); + api_id = malloc(n_digits(api->id) + 1); if (!api_id) { LOG_ERR("Failed to malloc"); exit(EXIT_FAILURE); } - sprintf(api_id, "%d", name.api_id); + sprintf(api_id, "%d", api->id); len += strlen(INSTALL_DIR); len += strlen(ipcp_dir); @@ -122,7 +145,7 @@ pid_t ipcp_create(rina_name_t name, strcat(full_name, ipcp_dir); char * argv[] = {full_name, - name.ap_name, api_id, + api->name, api_id, ipcp_type, 0}; char * envp[] = {0}; @@ -158,84 +181,362 @@ int ipcp_reg(pid_t pid, char ** difs, size_t difs_size) { - struct ipcp_msg msg; + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; - if (difs == NULL) - return -1; + if (difs == NULL || + difs_size == 0 || + difs[0] == NULL) + return -EINVAL; - msg.code = IPCP_REG; - msg.difs = difs; - msg.difs_size = difs_size; + msg.code = IPCP_MSG_CODE__IPCP_REG; + msg.dif_name = difs; + msg.n_dif_name = difs_size; + + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) + return -1; - if (send_ipcp_msg(pid, &msg)) { - LOG_ERR("Failed to send message to daemon"); + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); return -1; } - return 0; + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + + return ret; } int ipcp_unreg(pid_t pid, char ** difs, size_t difs_size) { - struct ipcp_msg msg; + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; - if (difs == NULL) - return -1; + if (difs == NULL || + difs_size == 0 || + difs[0] == NULL) + return -EINVAL; - msg.code = IPCP_UNREG; - msg.difs = difs; - msg.difs_size = difs_size; + msg.code = IPCP_MSG_CODE__IPCP_UNREG; + msg.dif_name = difs; + msg.n_dif_name = difs_size; - if (send_ipcp_msg(pid, &msg)) { - LOG_ERR("Failed to send message to daemon"); + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); return -1; } - return 0; + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + + return ret; } int ipcp_bootstrap(pid_t pid, - struct dif_config conf) + struct dif_config * conf) { - struct ipcp_msg msg; + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; - msg.code = IPCP_BOOTSTRAP; - msg.conf = &conf; + msg.code = IPCP_MSG_CODE__IPCP_BOOTSTRAP; - if (send_ipcp_msg(pid, &msg)) { - LOG_ERR("Failed to send message to daemon"); + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); return -1; } - return 0; + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + + return ret; } int ipcp_enroll(pid_t pid, - char * dif_name, char * member_name, - char ** n_1_difs, - ssize_t n_1_difs_size) + char * n_1_dif) { - struct ipcp_msg msg; + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; + + if (n_1_dif == NULL || member_name == NULL) + return -EINVAL; - if (n_1_difs == NULL) + msg.code = IPCP_MSG_CODE__IPCP_ENROLL; + msg.dif_name = malloc(sizeof(*(msg.dif_name))); + if (msg.dif_name == NULL) { + LOG_ERR("Failed to malloc"); return -1; + } + msg.dif_name[0] = n_1_dif; + msg.ap_name = member_name; - if (dif_name == NULL) + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) { + free(msg.dif_name); return -1; + } - msg.code = IPCP_ENROLL; - msg.dif_name = dif_name; - msg.ap_name = member_name; - msg.difs = n_1_difs; - msg.difs_size = n_1_difs_size; + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); + free(msg.dif_name); + return -1; + } + + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + free(msg.dif_name); + + return ret; +} + +int ipcp_ap_reg(pid_t pid, + uint32_t reg_api_id, + char * ap_name) +{ + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; - if (send_ipcp_msg(pid, &msg)) { - LOG_ERR("Failed to send message to daemon"); + if (ap_name == NULL) + return -1; + + msg.code = IPCP_MSG_CODE__IPCP_AP_REG; + msg.ap_name = ap_name; + msg.has_port_id = true; + msg.port_id = reg_api_id; + + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); return -1; } - return 0; + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + + return ret; +} + +int ipcp_ap_unreg(pid_t pid, + uint32_t reg_api_id) +{ + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; + + msg.code = IPCP_MSG_CODE__IPCP_AP_UNREG; + msg.has_port_id = true; + msg.port_id = reg_api_id; + + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); + return -1; + } + + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + + return ret; +} + +int ipcp_flow_alloc(pid_t pid, + uint32_t port_id, + char * dst_ap_name, + char * src_ap_name, + char * src_ae_name, + struct qos_spec * qos) +{ + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; + + if (dst_ap_name == NULL || src_ap_name == NULL || src_ae_name == NULL) + return -EINVAL; + + msg.code = IPCP_MSG_CODE__IPCP_FLOW_ALLOC; + msg.ap_name = src_ap_name; + msg.ae_name = src_ae_name; + msg.dst_ap_name = dst_ap_name; + msg.has_port_id = true; + msg.port_id = port_id; + + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); + return -1; + } + + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + + return ret; +} + +int ipcp_flow_alloc_resp(pid_t pid, + uint32_t port_id, + int result) +{ + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; + + msg.code = IPCP_MSG_CODE__IPCP_FLOW_ALLOC_RESP; + msg.has_port_id = true; + msg.port_id = port_id; + msg.has_result = true; + msg.result = result; + + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); + return -1; + } + + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + + return ret; +} + +int ipcp_flow_req_arr(pid_t pid, + uint32_t reg_api_id, + char * ap_name, + char * ae_name) +{ + irm_msg_t msg = IRM_MSG__INIT; + irm_msg_t * recv_msg = NULL; + int fd = -1; + + if (ap_name == NULL || ae_name == NULL) + return -EINVAL; + + msg.code = IRM_MSG_CODE__IPCP_FLOW_REQ_ARR; + msg.ap_name = ap_name; + msg.ae_name = ae_name; + msg.port_id = reg_api_id; + msg.has_port_id = true; + msg.pid = pid; + msg.has_pid = true; + + recv_msg = send_recv_irm_msg(&msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_fd == false) { + irm_msg__free_unpacked(recv_msg, NULL); + return -1; + } + + fd = recv_msg->fd; + irm_msg__free_unpacked(recv_msg, NULL); + + return fd; +} + +int ipcp_flow_alloc_reply(pid_t pid, + uint32_t port_id, + int result) +{ + irm_msg_t msg = IRM_MSG__INIT; + irm_msg_t * recv_msg = NULL; + int ret = -1; + + msg.code = IRM_MSG_CODE__IPCP_FLOW_ALLOC_REPLY; + msg.port_id = port_id; + msg.has_port_id = true; + msg.result = result; + msg.has_result = true; + + recv_msg = send_recv_irm_msg(&msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + irm_msg__free_unpacked(recv_msg, NULL); + return -1; + } + + ret = recv_msg->result; + irm_msg__free_unpacked(recv_msg, NULL); + + return ret; +} + + +int ipcp_flow_dealloc(pid_t pid, + uint32_t port_id) +{ + if (pid != 0) { + ipcp_msg_t msg = IPCP_MSG__INIT; + ipcp_msg_t * recv_msg = NULL; + int ret = -1; + + msg.code = IPCP_MSG_CODE__IPCP_FLOW_DEALLOC; + msg.has_port_id = true; + msg.port_id = port_id; + + recv_msg = send_recv_ipcp_msg(pid, &msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + ipcp_msg__free_unpacked(recv_msg, NULL); + return -1; + } + + ret = recv_msg->result; + ipcp_msg__free_unpacked(recv_msg, NULL); + + return ret; + } else { + irm_msg_t msg = IRM_MSG__INIT; + irm_msg_t * recv_msg = NULL; + int ret = -1; + + msg.code = IRM_MSG_CODE__IPCP_FLOW_DEALLOC; + msg.has_port_id = true; + msg.port_id = port_id; + + recv_msg = send_recv_irm_msg(&msg); + if (recv_msg == NULL) + return -1; + + if (recv_msg->has_result == false) { + irm_msg__free_unpacked(recv_msg, NULL); + return -1; + } + + ret = recv_msg->result; + irm_msg__free_unpacked(recv_msg, NULL); + + return ret; + } } |