commands.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <strings.h>
   4 #include <stdlib.h>
   5 #include <unistd.h>
   6 #include "uqmi.h"
   7 #include "commands.h"
   8
   9 static void no_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
  10 {
  11 }
  12
  13 static void cmd_version_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
  14 {
  15         struct qmi_ctl_get_version_info_response res;
  16         int i;
  17
  18         if (!msg) {
  19                 printf("Request version failed: %d\n", req->ret);
  20                 return;
  21         }
  22
  23         qmi_parse_ctl_get_version_info_response(msg, &res);
  24
  25         printf("Found %d: services:\n", res.data.service_list_n);
  26         for (i = 0; i < res.data.service_list_n; i++) {
  27                 printf("Service %d, version: %d.%d\n",
  28                         res.data.service_list[i].service,
  29                         res.data.service_list[i].major_version,
  30                         res.data.service_list[i].minor_version);
  31         }
  32 }
  33
  34 static enum qmi_cmd_result
  35 cmd_version_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  36 {
  37         qmi_set_ctl_get_version_info_request(msg);
  38         return QMI_CMD_REQUEST;
  39 }
  40
  41 #define cmd_get_client_id_cb no_cb
  42 static enum qmi_cmd_result
  43 cmd_get_client_id_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  44 {
  45         QmiService svc = qmi_service_get_by_name(arg);
  46
  47         if (svc < 0) {
  48                 fprintf(stderr, "Invalid service name '%s'\n", arg);
  49                 return QMI_CMD_EXIT;
  50         }
  51
  52         if (qmi_service_connect(qmi, svc, -1)) {
  53                 fprintf(stderr, "Failed to connect to service\n");
  54                 return QMI_CMD_EXIT;
  55         }
  56
  57         printf("%d\n", qmi_service_get_client_id(qmi, svc));
  58         return QMI_CMD_DONE;
  59 }
  60
  61 #define cmd_set_client_id_cb no_cb
  62 static enum qmi_cmd_result
  63 cmd_set_client_id_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  64 {
  65         QmiService svc;
  66         int id;
  67         char *s;
  68
  69         s = strchr(arg, ',');
  70         if (!s) {
  71                 fprintf(stderr, "Invalid argument\n");
  72                 return QMI_CMD_EXIT;
  73         }
  74         *s = 0;
  75         s++;
  76
  77         id = strtoul(s, &s, 0);
  78         if (s && *s) {
  79                 fprintf(stderr, "Invalid argument\n");
  80                 return QMI_CMD_EXIT;
  81         }
  82
  83         svc = qmi_service_get_by_name(arg);
  84         if (svc < 0) {
  85                 fprintf(stderr, "Invalid service name '%s'\n", arg);
  86                 return QMI_CMD_EXIT;
  87         }
  88
  89         if (qmi_service_connect(qmi, svc, id)) {
  90                 fprintf(stderr, "Failed to connect to service\n");
  91                 return QMI_CMD_EXIT;
  92         }
  93
  94         return QMI_CMD_DONE;
  95 }
  96
  97 #include "commands-wds.c"
  98 #include "commands-dms.c"
  99
 100 #define __uqmi_command(_name, _optname, _arg, _type) \
 101         [__UQMI_COMMAND_##_name] = { \
 102                 .name = #_optname, \
 103                 .type = _type, \
 104                 .prepare = cmd_##_name##_prepare, \
 105                 .cb = cmd_##_name##_cb, \
 106         }
 107
 108 const struct uqmi_cmd_handler uqmi_cmd_handler[__UQMI_COMMAND_LAST] = {
 109         __uqmi_commands
 110 };
 111 #undef __uqmi_command
 112
 113 static struct uqmi_cmd *cmds;
 114 static int n_cmds;
 115
 116 void uqmi_add_command(char *arg, int cmd)
 117 {
 118         int idx = n_cmds++;
 119
 120         cmds = realloc(cmds, n_cmds * sizeof(*cmds));
 121         cmds[idx].handler = &uqmi_cmd_handler[cmd];
 122         cmds[idx].arg = optarg;
 123 }
 124
 125 static bool __uqmi_run_commands(struct qmi_dev *qmi, bool option)
 126 {
 127         static char buf[2048];
 128         static struct qmi_request req;
 129         int i;
 130
 131         for (i = 0; i < n_cmds; i++) {
 132                 enum qmi_cmd_result res;
 133                 bool cmd_option = cmds[i].handler->type == CMD_TYPE_OPTION;
 134
 135                 if (cmd_option != option)
 136                         continue;
 137
 138                 if (cmds[i].handler->type > QMI_SERVICE_CTL &&
 139                     qmi_service_connect(qmi, cmds[i].handler->type, -1)) {
 140                         fprintf(stderr, "Error in command '%s': failed to connect to service\n",
 141                                 cmds[i].handler->name);
 142                         return false;
 143                 }
 144                 res = cmds[i].handler->prepare(qmi, &req, (void *) buf, cmds[i].arg);
 145                 switch(res) {
 146                 case QMI_CMD_REQUEST:
 147                         qmi_request_start(qmi, &req, (void *) buf, cmds[i].handler->cb);
 148                         qmi_request_wait(qmi, &req);
 149                         break;
 150                 case QMI_CMD_EXIT:
 151                         return false;
 152                 case QMI_CMD_DONE:
 153                 default:
 154                         continue;
 155                 }
 156         }
 157         return true;
 158 }
 159
 160 void uqmi_run_commands(struct qmi_dev *qmi)
 161 {
 162         if (__uqmi_run_commands(qmi, true))
 163                 __uqmi_run_commands(qmi, false);
 164         free(cmds);
 165         cmds = NULL;
 166         n_cmds = 0;
 167 }