api: sysinfo.json: respect query parameters

internal/server/api/controllers/v1/aredn_compat.go

@@ -70,6 +70,19 @@ func GETMetrics(c *gin.Context) {
 }
 
 func GETSysinfo(c *gin.Context) {
+ var sysinfoChan = make(chan *syscall.Sysinfo_t)
+ var sysinfoErrorChan = make(chan error)
+ defer close(sysinfoChan)
+ defer close(sysinfoErrorChan)
+ go func() {
+ var info *syscall.Sysinfo_t
+ err := syscall.Sysinfo(info)
+ if err != nil {
+ sysinfoErrorChan <- err
+ }
+ sysinfoChan <- info
+ }()
+
  db, ok := c.MustGet("DB").(*gorm.DB)
  if !ok {
  fmt.Println("POSTLogin: Unable to get DB from context")
@@ -106,19 +119,23 @@ func GETSysinfo(c *gin.Context) {
  return
  }
 
- olsrdParser, ok := c.MustGet("OLSRDHostParser").(*olsrd.HostsParser)
- if !ok {
- fmt.Println("GETSysinfo: OLSRDHostParser not found in context")
- c.JSON(http.StatusInternalServerError, gin.H{"error": "Try again later"})
- return
+ hostsStr, exists := c.GetQuery("hosts")
+ if !exists {
+ hostsStr = "0"
  }
+ doHosts := hostsStr == "1"
 
- olsrdServicesParser, ok := c.MustGet("OLSRDServicesParser").(*olsrd.ServicesParser)
- if !ok {
- fmt.Println("GETSysinfo: OLSRDServicesParser not found in context")
- c.JSON(http.StatusInternalServerError, gin.H{"error": "Try again later"})
- return
+ servicesStr, exists := c.GetQuery("services")
+ if !exists {
+ servicesStr = "0"
  }
+ doServices := servicesStr == "1"
+
+ linkInfoStr, exists := c.GetQuery("link_info")
+ if !exists {
+ linkInfoStr = "0"
+ }
+ doLinkInfo := linkInfoStr == "1"
 
  sysinfo := apimodels.SysinfoResponse{
  Longitude: config.Longitude,
@@ -153,9 +170,30 @@ func GETSysinfo(c *gin.Context) {
  Enabled: false,
  },
  Interfaces: getInterfaces(),
- Hosts: getHosts(olsrdParser),
- Services: getServices(olsrdServicesParser),
- LinkInfo: getLinkInfo(),
+ }
+
+ if doHosts {
+ olsrdParser, ok := c.MustGet("OLSRDHostParser").(*olsrd.HostsParser)
+ if !ok {
+ fmt.Println("GETSysinfo: OLSRDHostParser not found in context")
+ c.JSON(http.StatusInternalServerError, gin.H{"error": "Try again later"})
+ return
+ }
+ sysinfo.Hosts = getHosts(olsrdParser)
+ }
+
+ if doServices {
+ olsrdServicesParser, ok := c.MustGet("OLSRDServicesParser").(*olsrd.ServicesParser)
+ if !ok {
+ fmt.Println("GETSysinfo: OLSRDServicesParser not found in context")
+ c.JSON(http.StatusInternalServerError, gin.H{"error": "Try again later"})
+ return
+ }
+ sysinfo.Services = getServices(olsrdServicesParser)
+ }
+
+ if doLinkInfo {
+ sysinfo.LinkInfo = getLinkInfo()
  }
 
  c.JSON(http.StatusOK, sysinfo)