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         char name_buf[16];
  24         int i;
  25
  26         qmi_parse_ctl_get_version_info_response(msg, &res);
  27         for (i = 0; i < res.data.service_list_n; i++) {
  28                 sprintf(name_buf, "service_%d", res.data.service_list[i].service);
  29                 blobmsg_printf(&status, name_buf, "%d,%d",
  30                         res.data.service_list[i].major_version,
  31                         res.data.service_list[i].minor_version);
  32         }
  33 }
  34
  35 static enum qmi_cmd_result
  36 cmd_version_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  37 {
  38         qmi_set_ctl_get_version_info_request(msg);
  39         return QMI_CMD_REQUEST;
  40 }
  41
  42 #define cmd_get_client_id_cb no_cb
  43 static enum qmi_cmd_result
  44 cmd_get_client_id_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  45 {
  46         QmiService svc = qmi_service_get_by_name(arg);
  47
  48         if (svc < 0) {
  49                 fprintf(stderr, "Invalid service name '%s'\n", arg);
  50                 return QMI_CMD_EXIT;
  51         }
  52
  53         if (qmi_service_connect(qmi, svc, -1)) {
  54                 fprintf(stderr, "Failed to connect to service\n");
  55                 return QMI_CMD_EXIT;
  56         }
  57
  58         printf("%d\n", qmi_service_get_client_id(qmi, svc));
  59         return QMI_CMD_DONE;
  60 }
  61
  62 #define cmd_set_client_id_cb no_cb
  63 static enum qmi_cmd_result
  64 cmd_set_client_id_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  65 {
  66         QmiService svc;
  67         int id;
  68         char *s;
  69
  70         s = strchr(arg, ',');
  71         if (!s) {
  72                 fprintf(stderr, "Invalid argument\n");
  73                 return QMI_CMD_EXIT;
  74         }
  75         *s = 0;
  76         s++;
  77
  78         id = strtoul(s, &s, 0);
  79         if (s && *s) {
  80                 fprintf(stderr, "Invalid argument\n");
  81                 return QMI_CMD_EXIT;
  82         }
  83
  84         svc = qmi_service_get_by_name(arg);
  85         if (svc < 0) {
  86                 fprintf(stderr, "Invalid service name '%s'\n", arg);
  87                 return QMI_CMD_EXIT;
  88         }
  89
  90         if (qmi_service_connect(qmi, svc, id)) {
  91                 fprintf(stderr, "Failed to connect to service\n");
  92                 return QMI_CMD_EXIT;
  93         }
  94
  95         return QMI_CMD_DONE;
  96 }
  97
  98 #include "commands-wds.c"
  99 #include "commands-dms.c"
 100 #include "commands-nas.c"
 101 #include "commands-wms.c"
 102
 103 #define __uqmi_command(_name, _optname, _arg, _type) \
 104         [__UQMI_COMMAND_##_name] = { \
 105                 .name = #_optname, \
 106                 .type = _type, \
 107                 .prepare = cmd_##_name##_prepare, \
 108                 .cb = cmd_##_name##_cb, \
 109         }
 110
 111 const struct uqmi_cmd_handler uqmi_cmd_handler[__UQMI_COMMAND_LAST] = {
 112         __uqmi_commands
 113 };
 114 #undef __uqmi_command
 115
 116 static struct uqmi_cmd *cmds;
 117 static int n_cmds;
 118
 119 void uqmi_add_command(char *arg, int cmd)
 120 {
 121         int idx = n_cmds++;
 122
 123         cmds = realloc(cmds, n_cmds * sizeof(*cmds));
 124         cmds[idx].handler = &uqmi_cmd_handler[cmd];
 125         cmds[idx].arg = optarg;
 126 }
 127
 128 static void uqmi_print_result(struct blob_attr *data)
 129 {
 130         char *str;
 131
 132         if (!blob_len(data))
 133                 return;
 134
 135         str = blobmsg_format_json_indent(blob_data(data), false, single_line ? -1 : 0);
 136         if (!str)
 137                 return;
 138
 139         printf("%s\n", str);
 140         free(str);
 141 }
 142
 143 static bool __uqmi_run_commands(struct qmi_dev *qmi, bool option)
 144 {
 145         static char buf[2048];
 146         static struct qmi_request req;
 147         int i;
 148
 149         for (i = 0; i < n_cmds; i++) {
 150                 enum qmi_cmd_result res;
 151                 bool cmd_option = cmds[i].handler->type == CMD_TYPE_OPTION;
 152                 bool do_break = false;
 153
 154                 if (cmd_option != option)
 155                         continue;
 156
 157                 blob_buf_init(&status, 0);
 158                 if (cmds[i].handler->type > QMI_SERVICE_CTL &&
 159                     qmi_service_connect(qmi, cmds[i].handler->type, -1)) {
 160                         uqmi_add_error("Failed to connect to service");
 161                         res = QMI_CMD_EXIT;
 162                 } else {
 163                         res = cmds[i].handler->prepare(qmi, &req, (void *) buf, cmds[i].arg);
 164                 }
 165
 166                 if (res == QMI_CMD_REQUEST) {
 167                         qmi_request_start(qmi, &req, (void *) buf, cmds[i].handler->cb);
 168                         req.no_error_cb = true;
 169                         if (qmi_request_wait(qmi, &req)) {
 170                                 uqmi_add_error(qmi_get_error_str(req.ret));
 171                                 do_break = true;
 172                         }
 173                 } else if (res == QMI_CMD_EXIT) {
 174                         do_break = true;
 175                 }
 176
 177                 uqmi_print_result(status.head);
 178                 if (do_break)
 179                         return false;
 180         }
 181         return true;
 182 }
 183
 184 void uqmi_add_error(const char *msg)
 185 {
 186         blobmsg_add_string(&status, NULL, msg);
 187 }
 188
 189 bool uqmi_run_commands(struct qmi_dev *qmi)
 190 {
 191         bool ret;
 192
 193         ret = __uqmi_run_commands(qmi, true) &&
 194               __uqmi_run_commands(qmi, false);
 195
 196         free(cmds);
 197         cmds = NULL;
 198         n_cmds = 0;
 199
 200         return ret;
 201 }