commands.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <strings.h>
   4 #include <stdlib.h>
   5 #include <unistd.h>
   6
   7 #include <libubox/blobmsg.h>
   8 #include <libubox/blobmsg_json.h>
   9
  10 #include "uqmi.h"
  11 #include "commands.h"
  12
  13 static struct blob_buf status;
  14 bool single_line = false;
  15
  16 static void no_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
  17 {
  18 }
  19
  20 static void cmd_version_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
  21 {
  22         struct qmi_ctl_get_version_info_response res;
  23         void *c;
  24         char name_buf[16];
  25         int i;
  26
  27         qmi_parse_ctl_get_version_info_response(msg, &res);
  28
  29         c = blobmsg_open_table(&status, NULL);
  30         for (i = 0; i < res.data.service_list_n; i++) {
  31                 sprintf(name_buf, "service_%d", res.data.service_list[i].service);
  32                 blobmsg_printf(&status, name_buf, "%d,%d",
  33                         res.data.service_list[i].major_version,
  34                         res.data.service_list[i].minor_version);
  35         }
  36         blobmsg_close_table(&status, c);
  37 }
  38
  39 static enum qmi_cmd_result
  40 cmd_version_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  41 {
  42         qmi_set_ctl_get_version_info_request(msg);
  43         return QMI_CMD_REQUEST;
  44 }
  45
  46 #define cmd_get_client_id_cb no_cb
  47 static enum qmi_cmd_result
  48 cmd_get_client_id_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  49 {
  50         QmiService svc = qmi_service_get_by_name(arg);
  51
  52         if (svc < 0) {
  53                 fprintf(stderr, "Invalid service name '%s'\n", arg);
  54                 return QMI_CMD_EXIT;
  55         }
  56
  57         if (qmi_service_connect(qmi, svc, -1)) {
  58                 fprintf(stderr, "Failed to connect to service\n");
  59                 return QMI_CMD_EXIT;
  60         }
  61
  62         printf("%d\n", qmi_service_get_client_id(qmi, svc));
  63         return QMI_CMD_DONE;
  64 }
  65
  66 #define cmd_set_client_id_cb no_cb
  67 static enum qmi_cmd_result
  68 cmd_set_client_id_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  69 {
  70         QmiService svc;
  71         int id;
  72         char *s;
  73
  74         s = strchr(arg, ',');
  75         if (!s) {
  76                 fprintf(stderr, "Invalid argument\n");
  77                 return QMI_CMD_EXIT;
  78         }
  79         *s = 0;
  80         s++;
  81
  82         id = strtoul(s, &s, 0);
  83         if (s && *s) {
  84                 fprintf(stderr, "Invalid argument\n");
  85                 return QMI_CMD_EXIT;
  86         }
  87
  88         svc = qmi_service_get_by_name(arg);
  89         if (svc < 0) {
  90                 fprintf(stderr, "Invalid service name '%s'\n", arg);
  91                 return QMI_CMD_EXIT;
  92         }
  93
  94         if (qmi_service_connect(qmi, svc, id)) {
  95                 fprintf(stderr, "Failed to connect to service\n");
  96                 return QMI_CMD_EXIT;
  97         }
  98
  99         return QMI_CMD_DONE;
 100 }
 101
 102 static int
 103 qmi_get_array_idx(const char **array, int size, const char *str)
 104 {
 105         int i;
 106
 107         for (i = 0; i < size; i++) {
 108                 if (!array[i])
 109                         continue;
 110
 111                 if (!strcmp(array[i], str))
 112                         return i;
 113         }
 114
 115         return -1;
 116 }
 117
 118 #define cmd_ctl_set_data_format_cb no_cb
 119 static enum qmi_cmd_result
 120 cmd_ctl_set_data_format_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 121 {
 122         struct qmi_ctl_set_data_format_request sreq = {};
 123         const char *modes[] = {
 124                 [QMI_CTL_DATA_LINK_PROTOCOL_802_3] = "802.3",
 125                 [QMI_CTL_DATA_LINK_PROTOCOL_RAW_IP] = "raw-ip",
 126         };
 127         int mode = qmi_get_array_idx(modes, ARRAY_SIZE(modes), arg);
 128
 129         if (mode < 0) {
 130                 uqmi_add_error("Invalid mode (modes: 802.3, raw-ip)");
 131                 return QMI_CMD_EXIT;
 132         }
 133
 134         qmi_set_ctl_set_data_format_request(msg, &sreq);
 135         return QMI_CMD_DONE;
 136 }
 137
 138 #include "commands-wds.c"
 139 #include "commands-dms.c"
 140 #include "commands-nas.c"
 141 #include "commands-wms.c"
 142 #include "commands-wda.c"
 143
 144 #define __uqmi_command(_name, _optname, _arg, _type) \
 145         [__UQMI_COMMAND_##_name] = { \
 146                 .name = #_optname, \
 147                 .type = _type, \
 148                 .prepare = cmd_##_name##_prepare, \
 149                 .cb = cmd_##_name##_cb, \
 150         }
 151
 152 const struct uqmi_cmd_handler uqmi_cmd_handler[__UQMI_COMMAND_LAST] = {
 153         __uqmi_commands
 154 };
 155 #undef __uqmi_command
 156
 157 static struct uqmi_cmd *cmds;
 158 static int n_cmds;
 159
 160 void uqmi_add_command(char *arg, int cmd)
 161 {
 162         int idx = n_cmds++;
 163
 164         cmds = realloc(cmds, n_cmds * sizeof(*cmds));
 165         cmds[idx].handler = &uqmi_cmd_handler[cmd];
 166         cmds[idx].arg = optarg;
 167 }
 168
 169 static void uqmi_print_result(struct blob_attr *data)
 170 {
 171         char *str;
 172
 173         if (!blob_len(data))
 174                 return;
 175
 176         str = blobmsg_format_json_indent(blob_data(data), false, single_line ? -1 : 0);
 177         if (!str)
 178                 return;
 179
 180         printf("%s\n", str);
 181         free(str);
 182 }
 183
 184 static bool __uqmi_run_commands(struct qmi_dev *qmi, bool option)
 185 {
 186         static char buf[2048];
 187         static struct qmi_request req;
 188         int i;
 189
 190         for (i = 0; i < n_cmds; i++) {
 191                 enum qmi_cmd_result res;
 192                 bool cmd_option = cmds[i].handler->type == CMD_TYPE_OPTION;
 193                 bool do_break = false;
 194
 195                 if (cmd_option != option)
 196                         continue;
 197
 198                 blob_buf_init(&status, 0);
 199                 if (cmds[i].handler->type > QMI_SERVICE_CTL &&
 200                     qmi_service_connect(qmi, cmds[i].handler->type, -1)) {
 201                         uqmi_add_error("Failed to connect to service");
 202                         res = QMI_CMD_EXIT;
 203                 } else {
 204                         res = cmds[i].handler->prepare(qmi, &req, (void *) buf, cmds[i].arg);
 205                 }
 206
 207                 if (res == QMI_CMD_REQUEST) {
 208                         qmi_request_start(qmi, &req, (void *) buf, cmds[i].handler->cb);
 209                         req.no_error_cb = true;
 210                         if (qmi_request_wait(qmi, &req)) {
 211                                 uqmi_add_error(qmi_get_error_str(req.ret));
 212                                 do_break = true;
 213                         }
 214                 } else if (res == QMI_CMD_EXIT) {
 215                         do_break = true;
 216                 }
 217
 218                 uqmi_print_result(status.head);
 219                 if (do_break)
 220                         return false;
 221         }
 222         return true;
 223 }
 224
 225 int uqmi_add_error(const char *msg)
 226 {
 227         blobmsg_add_string(&status, NULL, msg);
 228         return QMI_CMD_EXIT;
 229 }
 230
 231 bool uqmi_run_commands(struct qmi_dev *qmi)
 232 {
 233         bool ret;
 234
 235         ret = __uqmi_run_commands(qmi, true) &&
 236               __uqmi_run_commands(qmi, false);
 237
 238         free(cmds);
 239         cmds = NULL;
 240         n_cmds = 0;
 241
 242         return ret;
 243 }