Rename data structure for naming consistency
authorDavid Goulet <david.goulet@polymtl.ca>
Fri, 6 May 2011 15:25:29 +0000 (11:25 -0400)
committerDavid Goulet <david.goulet@polymtl.ca>
Fri, 6 May 2011 15:25:29 +0000 (11:25 -0400)
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
liblttngctl/liblttngctl.c
liblttsessiondcomm/liblttsessiondcomm.h
ltt-sessiond/main.c

index 1793bc53ad44a23195157427b30950f85bb8e9d6..3ff1529a1857434202ac7acbd7f1d71fe1a3607b 100644 (file)
@@ -35,11 +35,11 @@ static char sessiond_sock_path[PATH_MAX];
 
 /* Communication structure to ltt-sessiond */
 static struct lttcomm_session_msg lsm;
-static struct lttcomm_lttng_msg llm;
+static struct lttcomm_lttng_header llh;
 
 /* Prototypes */
 static int check_tracing_group(const char *grp_name);
-static int ask_sessiond(enum lttcomm_command_type lct, void **buf);
+static int ask_sessiond(enum lttcomm_sessiond_command lct, void **buf);
 static int recv_data_sessiond(void *buf, size_t len);
 static int send_data_sessiond(void);
 static int set_session_daemon_path(void);
@@ -105,7 +105,7 @@ end:
  *
  *  Return size of data (only payload, not header).
  */
-static int ask_sessiond(enum lttcomm_command_type lct, void **buf)
+static int ask_sessiond(enum lttcomm_sessiond_command lct, void **buf)
 {
        int ret;
        size_t size;
@@ -125,18 +125,18 @@ static int ask_sessiond(enum lttcomm_command_type lct, void **buf)
        }
 
        /* Get header from data transmission */
-       ret = recv_data_sessiond(&llm, sizeof(llm));
+       ret = recv_data_sessiond(&llh, sizeof(llh));
        if (ret < 0) {
                goto end;
        }
 
        /* Check error code if OK */
-       if (llm.ret_code != LTTCOMM_OK) {
-               ret = -llm.ret_code;
+       if (llh.ret_code != LTTCOMM_OK) {
+               ret = -llh.ret_code;
                goto end;
        }
 
-       size = llm.size_payload;
+       size = llh.payload_size;
        if (size == 0) {
                goto end;
        }
@@ -278,7 +278,7 @@ int lttng_create_session(char *name, uuid_t *session_id)
                goto end;
        }
 
-       uuid_copy(*session_id, llm.session_id);
+       uuid_copy(*session_id, llh.session_id);
 
 end:
        return ret;
index e51b813175203516a5f73b309bf7949246279a97..5cac0b7982ecef86c52dde2ca69b9ef280ee9e55 100644 (file)
@@ -45,7 +45,7 @@
  */
 #define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_OK)
 
-enum lttcomm_command_type {
+enum lttcomm_sessiond_command {
        LTTNG_CREATE_SESSION,
        LTTNG_DESTROY_SESSION,
        LTTNG_FORCE_SUBBUF_SWITCH,
@@ -113,7 +113,7 @@ enum lttcomm_kconsumerd_fd_state {
  */
 struct lttcomm_session_msg {
        /* Common data to almost all command */
-       enum lttcomm_command_type cmd_type;
+       enum lttcomm_sessiond_command cmd_type;
        uuid_t session_id;
        char trace_name[NAME_MAX];
        char session_name[NAME_MAX];
@@ -151,13 +151,13 @@ struct lttcomm_session_msg {
  * the header of the transmission. NEVER put variable
  * size data in here.
  */
-struct lttcomm_lttng_msg {
-       enum lttcomm_command_type cmd_type;
+struct lttcomm_lttng_header {
+       enum lttcomm_sessiond_command cmd_type;
        enum lttcomm_return_code ret_code;
        uuid_t session_id;
        pid_t pid;
        char trace_name[NAME_MAX];
-       unsigned int size_payload;
+       unsigned int payload_size;
 };
 
 /*
index f2205e4b12edd2f39f407f8be74afae8aa0ee992..90aea69fc2e6e4a15266dca3fc35124448179869 100644 (file)
@@ -59,11 +59,11 @@ static int process_client_msg(int sock, struct lttcomm_session_msg*);
 static int send_unix_sock(int sock, void *buf, size_t len);
 static int set_signal_handler(void);
 static int set_permissions(void);
-static int setup_data_buffer(char **buf, size_t size, struct lttcomm_lttng_msg *llm);
+static int setup_data_buffer(char **buf, size_t size, struct lttcomm_lttng_header *llh);
 static int create_lttng_rundir(void);
 static int set_kconsumerd_sockets(void);
 static void cleanup(void);
-static void copy_common_data(struct lttcomm_lttng_msg *llm, struct lttcomm_session_msg *lsm);
+static void copy_common_data(struct lttcomm_lttng_header *llh, struct lttcomm_session_msg *lsm);
 static void sighandler(int sig);
 
 static void *thread_manage_clients(void *data);
@@ -232,7 +232,7 @@ static void *thread_manage_clients(void *data)
 
                /* This function dispatch the work to the LTTng or UST libs
                 * and then sends back the response to the client. This is needed
-                * because there might be more then one lttcomm_lttng_msg to
+                * because there might be more then one lttcomm_lttng_header to
                 * send out so process_client_msg do both jobs.
                 */
                ret = process_client_msg(sock, &lsm);
@@ -454,20 +454,20 @@ error:
 /*
  *  copy_common_data
  *
- *  Copy common data between lttcomm_lttng_msg and lttcomm_session_msg
+ *  Copy common data between lttcomm_lttng_header and lttcomm_session_msg
  */
-static void copy_common_data(struct lttcomm_lttng_msg *llm, struct lttcomm_session_msg *lsm)
+static void copy_common_data(struct lttcomm_lttng_header *llh, struct lttcomm_session_msg *lsm)
 {
-       llm->cmd_type = lsm->cmd_type;
-       llm->pid = lsm->pid;
+       llh->cmd_type = lsm->cmd_type;
+       llh->pid = lsm->pid;
 
        /* Manage uuid */
        if (!uuid_is_null(lsm->session_id)) {
-               uuid_copy(llm->session_id, lsm->session_id);
+               uuid_copy(llh->session_id, lsm->session_id);
        }
 
-       strncpy(llm->trace_name, lsm->trace_name, strlen(llm->trace_name));
-       llm->trace_name[strlen(llm->trace_name) - 1] = '\0';
+       strncpy(llh->trace_name, lsm->trace_name, strlen(llh->trace_name));
+       llh->trace_name[strlen(llh->trace_name) - 1] = '\0';
 }
 
 /*
@@ -478,12 +478,12 @@ static void copy_common_data(struct lttcomm_lttng_msg *llm, struct lttcomm_sessi
  *
  *  Return total size of the buffer pointed by buf.
  */
-static int setup_data_buffer(char **buf, size_t s_data, struct lttcomm_lttng_msg *llm)
+static int setup_data_buffer(char **buf, size_t s_data, struct lttcomm_lttng_header *llh)
 {
        int ret = 0;
        size_t buf_size;
 
-       buf_size = sizeof(struct lttcomm_lttng_msg) + s_data;
+       buf_size = sizeof(struct lttcomm_lttng_header) + s_data;
        *buf = malloc(buf_size);
        if (*buf == NULL) {
                perror("malloc");
@@ -491,11 +491,11 @@ static int setup_data_buffer(char **buf, size_t s_data, struct lttcomm_lttng_msg
                goto error;
        }
 
-       /* Setup lttcomm_lttng_msg data and copy
+       /* Setup lttcomm_lttng_header data and copy
         * it to the newly allocated buffer.
         */
-       llm->size_payload = s_data;
-       memcpy(*buf, llm, sizeof(struct lttcomm_lttng_msg));
+       llh->payload_size = s_data;
+       memcpy(*buf, llh, sizeof(struct lttcomm_lttng_header));
 
        return buf_size;
 
@@ -518,14 +518,14 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
        int buf_size;
        size_t header_size;
        char *send_buf = NULL;
-       struct lttcomm_lttng_msg llm;
+       struct lttcomm_lttng_header llh;
 
        DBG("Processing client message");
 
        /* Copy common data to identify the response
         * on the lttng client side.
         */
-       copy_common_data(&llm, lsm);
+       copy_common_data(&llh, lsm);
 
        /* Check command that needs a session */
        if (lsm->cmd_type != LTTNG_CREATE_SESSION &&
@@ -542,15 +542,15 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
        /* Default return code.
         * In our world, everything is OK... right? ;)
         */
-       llm.ret_code = LTTCOMM_OK;
+       llh.ret_code = LTTCOMM_OK;
 
-       header_size = sizeof(struct lttcomm_lttng_msg);
+       header_size = sizeof(struct lttcomm_lttng_header);
 
        /* Process by command type */
        switch (lsm->cmd_type) {
                case LTTNG_CREATE_SESSION:
                {
-                       ret = create_session(lsm->session_name, &llm.session_id);
+                       ret = create_session(lsm->session_name, &llh.session_id);
                        if (ret < 0) {
                                if (ret == -1) {
                                        ret = LTTCOMM_EXIST_SESS;
@@ -560,7 +560,7 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
                                goto end;
                        }
 
-                       buf_size = setup_data_buffer(&send_buf, 0, &llm);
+                       buf_size = setup_data_buffer(&send_buf, 0, &llh);
                        if (buf_size < 0) {
                                ret = LTTCOMM_FATAL;
                                goto end;
@@ -577,7 +577,7 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
                                ret = LTTCOMM_OK;
                        }
 
-                       /* No auxiliary data so only send the llm struct. */
+                       /* No auxiliary data so only send the llh struct. */
                        goto end;
                }
                case LTTNG_LIST_TRACES:
@@ -590,7 +590,7 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
                        }
 
                        buf_size = setup_data_buffer(&send_buf,
-                                       sizeof(struct lttng_trace) * trace_count, &llm);
+                                       sizeof(struct lttng_trace) * trace_count, &llh);
                        if (buf_size < 0) {
                                ret = LTTCOMM_FATAL;
                                goto end;
@@ -610,7 +610,7 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
                                goto end;
                        }
 
-                       /* No auxiliary data so only send the llm struct. */
+                       /* No auxiliary data so only send the llh struct. */
                        goto end;
                }
                case UST_LIST_APPS:
@@ -624,7 +624,7 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
 
                        /* Setup data buffer and details for transmission */
                        buf_size = setup_data_buffer(&send_buf,
-                                       sizeof(pid_t) * app_count, &llm);
+                                       sizeof(pid_t) * app_count, &llh);
                        if (buf_size < 0) {
                                ret = LTTCOMM_FATAL;
                                goto end;
@@ -638,14 +638,14 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
                {
                        ret = ust_start_trace(lsm->pid);
 
-                       /* No auxiliary data so only send the llm struct. */
+                       /* No auxiliary data so only send the llh struct. */
                        goto end;
                }
                case UST_STOP_TRACE:
                {
                        ret = ust_stop_trace(lsm->pid);
 
-                       /* No auxiliary data so only send the llm struct. */
+                       /* No auxiliary data so only send the llh struct. */
                        goto end;
                }
                case LTTNG_LIST_SESSIONS:
@@ -659,7 +659,7 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
 
                        /* Setup data buffer and details for transmission */
                        buf_size = setup_data_buffer(&send_buf,
-                                       (sizeof(struct lttng_session) * session_count), &llm);
+                                       (sizeof(struct lttng_session) * session_count), &llh);
                        if (buf_size < 0) {
                                ret = LTTCOMM_FATAL;
                                goto end;
@@ -688,9 +688,9 @@ static int process_client_msg(int sock, struct lttcomm_session_msg *lsm)
 end:
        DBG("Return code to client %d", ret);
        /* Notify client of error */
-       llm.ret_code = ret;
-       llm.size_payload = 0;
-       send_unix_sock(sock, (void*) &llm, sizeof(llm));
+       llh.ret_code = ret;
+       llh.payload_size = 0;
+       send_unix_sock(sock, (void*) &llh, sizeof(llh));
 
        return ret;
 }
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