diff options
| -rw-r--r-- | CMakeLists.txt | 1 | ||||
| -rw-r--r-- | include/ouroboros/common.h | 3 | ||||
| -rw-r--r-- | include/ouroboros/sockets.h | 13 | ||||
| -rw-r--r-- | src/irmd/main.c | 48 | ||||
| -rw-r--r-- | src/lib/irm.c | 14 | ||||
| -rw-r--r-- | src/lib/sockets.c | 193 | ||||
| -rw-r--r-- | src/tools/irm/main.c | 2 |
7 files changed, 258 insertions, 16 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 84a42eb9..99750b00 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -54,6 +54,7 @@ if (CMAKE_BUILD_TYPE MATCHES Debug) MACRO_ADD_COMPILE_FLAGS(irmd -DCONFIG_OUROBOROS_DEBUG) MACRO_ADD_COMPILE_FLAGS(dad -DCONFIG_OUROBOROS_DEBUG) MACRO_ADD_COMPILE_FLAGS(irm -DCONFIG_OUROBOROS_DEBUG) + MACRO_ADD_COMPILE_FLAGS(ouroboros -DCONFIG_OUROBOROS_DEBUG) endif (CMAKE_BUILD_TYPE MATCHES Debug) #include(FeatureSummary) diff --git a/include/ouroboros/common.h b/include/ouroboros/common.h index 09900a1f..02361f20 100644 --- a/include/ouroboros/common.h +++ b/include/ouroboros/common.h @@ -30,9 +30,8 @@ typedef uint32_t port_id_t; -/* FIXME: To be moved into a separate file */ typedef struct { - char * data; + uint8_t * data; size_t size; } buffer_t; diff --git a/include/ouroboros/sockets.h b/include/ouroboros/sockets.h index fb2fa7db..ad9bd408 100644 --- a/include/ouroboros/sockets.h +++ b/include/ouroboros/sockets.h @@ -32,15 +32,18 @@ enum irm_msg_code { IRM_LIST_IPCPS }; -struct irm_msg_sock { +struct irm_msg { enum irm_msg_code code; union { struct { - rina_name_t name; + rina_name_t * name; char * ipcp_type; } create_ipcp; - } irm_msg; + } msgs; }; -int client_socket_open(char * file_name); -int server_socket_open(char * file_name); +int client_socket_open(char * file_name); +int server_socket_open(char * file_name); + +buffer_t * serialize_irm_msg(struct irm_msg * msg); +struct irm_msg * deserialize_irm_msg(buffer_t * data); diff --git a/src/irmd/main.c b/src/irmd/main.c index b4e43534..d2aa6cd9 100644 --- a/src/irmd/main.c +++ b/src/irmd/main.c @@ -28,22 +28,44 @@ #include <ouroboros/irm.h> #include <sys/socket.h> #include <sys/un.h> +#include <stdlib.h> #define BUF_SIZE 256 + +static void create_ipcp(rina_name_t * name, + char * ipcp_type) +{ + LOG_DBG("AP name is %s", name->ap_name); + LOG_DBG("AP instance id is %d", name->api_id); + LOG_DBG("AE name is %s", name->ae_name); + LOG_DBG("AE instance id is %d", name->aei_id); + + LOG_DBG("IPCP type is %s", ipcp_type); + + LOG_MISSING; +} + int main() { int sockfd; + uint8_t * buf; sockfd = server_socket_open(IRM_SOCK_PATH); if (sockfd < 0) return -1; + buf = malloc(sizeof(buf) * BUF_SIZE); + if (!buf) { + LOG_ERR("Cannot allocate memory"); + return -1; + } + while (true) { - int cli_sockfd; - struct irm_msg_sock msg; + int cli_sockfd; + struct irm_msg * msg; ssize_t count; - char buf[BUF_SIZE]; + buffer_t buffer; cli_sockfd = accept(sockfd, 0, 0); if (cli_sockfd < 0) { @@ -52,12 +74,28 @@ int main() count = read(cli_sockfd, buf, BUF_SIZE); if (count) { - msg = (struct struct irm_msg_sock) buf; - LOG_INFO("Got message code %d", buf.code); + buffer.size = count; + buffer.data = buf; + msg = deserialize_irm_msg(&buffer); + if (!msg) + continue; + + LOG_DBG("Got message code %d", msg->code); + switch (msg->code) { + case IRM_CREATE_IPCP: + create_ipcp(msg->msgs.create_ipcp.name, + msg->msgs.create_ipcp.ipcp_type); + break; + default: + LOG_ERR("Don't know that message code"); + break; + } } close(cli_sockfd); } + free(buf); + return 0; } diff --git a/src/lib/irm.c b/src/lib/irm.c index da229d3e..1af8ed2c 100644 --- a/src/lib/irm.c +++ b/src/lib/irm.c @@ -31,7 +31,8 @@ int irm_create_ipcp(rina_name_t name, char * ipcp_type) { int sockfd; - struct irm_msg_sock msg; + struct irm_msg msg; + buffer_t * buf; if (!ipcp_type) return -1; @@ -41,10 +42,15 @@ int irm_create_ipcp(rina_name_t name, return -1; msg.code = IRM_CREATE_IPCP; - msg.irm_msg.create_ipcp.name = name; - msg.irm_msg.create_ipcp.ipcp_type = ipcp_type; + msg.msgs.create_ipcp.name = &name; + msg.msgs.create_ipcp.ipcp_type = ipcp_type; + + buf = serialize_irm_msg(&msg); + if (!buf) + return -1; + + write(sockfd, buf->data, buf->size); - write(sockfd, &msg, sizeof(msg)); close(sockfd); return 0; diff --git a/src/lib/sockets.c b/src/lib/sockets.c index 8917f55a..9985cd56 100644 --- a/src/lib/sockets.c +++ b/src/lib/sockets.c @@ -29,6 +29,9 @@ #include <sys/un.h> #include <sys/stat.h> #include <string.h> +#include <malloc.h> + +#define BUFFER_SIZE 256 int client_socket_open(char * file_name) { @@ -92,3 +95,193 @@ int server_socket_open(char * file_name) return sockfd; } + +static int serialized_string_len(uint8_t * data) +{ + uint8_t * seek = data; + + while (*seek != '\0') + seek++; + + return seek - data + 1; +} + +static void ser_copy_value(size_t flen, + void * dst, + void * src, + int * offset) +{ + memcpy(dst + *offset, src, flen); + *offset += flen; +} + +static void deser_copy_value(size_t flen, + void * dst, + void * src, + int * offset) +{ + memcpy(dst, src + *offset, flen); + *offset += flen; +} + +static void deser_copy_string(uint8_t * data, + char ** dst, + int * offset) +{ + size_t flen; + + flen = serialized_string_len(data + *offset); + *dst = malloc(flen + 1); + deser_copy_value(flen, *dst, data, offset); +} + +static void deser_copy_int(uint8_t * data, + int * dst, + int * offset) +{ + *dst = 0; + deser_copy_value(sizeof(int), dst, data, offset); +} + +static void deser_copy_enum(uint8_t * data, + enum irm_msg_code * dst, + int * offset) +{ + *dst = 0; + deser_copy_value(sizeof(enum irm_msg_code), dst, data, offset); +} + +buffer_t * serialize_irm_msg(struct irm_msg * msg) +{ + buffer_t * buf; + uint8_t * data; + int offset = 0; + int i; + char buffer[BUFFER_SIZE]; + + buf = malloc(sizeof(buf)); + buf->data = malloc(BUFFER_SIZE); + data = buf->data; + + ser_copy_value(sizeof(enum irm_msg_code), + data, + &msg->code, + &offset); + + switch (msg->code) { + case IRM_CREATE_IPCP: + if (!msg->msgs.create_ipcp.name || + !msg->msgs.create_ipcp.name->ap_name || + !msg->msgs.create_ipcp.name->ae_name || + !msg->msgs.create_ipcp.ipcp_type) { + LOG_ERR("Null pointer passed"); + free(buf->data); + free(buf); + return NULL; + } + + ser_copy_value(strlen(msg->msgs.create_ipcp.name->ap_name) + 1, + data, + msg->msgs.create_ipcp.name->ap_name, + &offset); + + ser_copy_value(sizeof(int), + data, + &msg->msgs.create_ipcp.name->api_id, + &offset); + + ser_copy_value(strlen(msg->msgs.create_ipcp.name->ae_name) + 1, + data, + msg->msgs.create_ipcp.name->ae_name, + &offset); + + ser_copy_value(sizeof(int), + data, + &msg->msgs.create_ipcp.name->aei_id, + &offset); + + ser_copy_value(strlen(msg->msgs.create_ipcp.ipcp_type) + 1, + data, + msg->msgs.create_ipcp.ipcp_type, + &offset); + break; + default: + LOG_ERR("Don't know that code"); + free(buf->data); + free(buf); + return NULL; + } + + buf->size = offset; + + for (i = 0; i < buf->size; i++) { + if (i > 0) sprintf(buffer + strlen(buffer), ":"); + sprintf(buffer + strlen(buffer), "%02X", data[i]); + } + LOG_DBGF("Serialized buffer to %s", buffer); + + return buf; +} + +struct irm_msg * deserialize_irm_msg(buffer_t * data) +{ + struct irm_msg * msg; + char buffer[BUFFER_SIZE]; + int i; + int offset = 0; + + if (!data || !data->data) { + LOG_ERR("Got a null pointer"); + return NULL; + } + + memset(buffer, 0, sizeof(buffer)); + for (i = 0; i < data->size; i++) { + if (i > 0) sprintf(buffer + strlen(buffer), ":"); + sprintf(buffer + strlen(buffer), "%02X", data->data[i]); + } + LOG_DBGF("Got buffer %s", buffer); + + msg = malloc(sizeof(msg)); + if (!msg) { + LOG_ERR("Failed to allocate memory"); + return NULL; + } + + deser_copy_enum(data->data, + &msg->code, + &offset); + + switch (msg->code) { + case IRM_CREATE_IPCP: + msg->msgs.create_ipcp.name = + malloc(sizeof(msg->msgs.create_ipcp.name)); + + deser_copy_string(data->data, + &msg->msgs.create_ipcp.name->ap_name, + &offset); + + deser_copy_int(data->data, + &msg->msgs.create_ipcp.name->api_id, + &offset); + + deser_copy_string(data->data, + &msg->msgs.create_ipcp.name->ae_name, + &offset); + + deser_copy_int(data->data, + &msg->msgs.create_ipcp.name->aei_id, + &offset); + + deser_copy_string(data->data, + &msg->msgs.create_ipcp.ipcp_type, + &offset); + break; + default: + LOG_ERR("Don't know that code"); + free(msg); + return NULL; + } + + return msg; +} diff --git a/src/tools/irm/main.c b/src/tools/irm/main.c index 6439243c..470a8166 100644 --- a/src/tools/irm/main.c +++ b/src/tools/irm/main.c @@ -32,6 +32,8 @@ int main () { rina_name_t name; name.ap_name = ap_name; name.api_id = 1; + name.ae_name = ""; + name.aei_id = 0; if (irm_create_ipcp(name, ipcp_type)) { LOG_ERR("Failed to create IPCP"); |