/src/gpsd/gpsd-3.27.6~dev/gpsd/net_gnss_dispatch.c
Line | Count | Source |
1 | | /* net_gnss_dispatch.c -- common interface to a number of Network GNSS services |
2 | | * |
3 | | * This file is Copyright by the GPSD project |
4 | | * SPDX-License-Identifier: BSD-2-clause |
5 | | */ |
6 | | |
7 | | #include "../include/gpsd_config.h" // must be before all includes |
8 | | |
9 | | #include <errno.h> |
10 | | #include <string.h> |
11 | | #include <sys/socket.h> |
12 | | #include <sys/stat.h> |
13 | | #include <sys/types.h> |
14 | | #include <unistd.h> |
15 | | |
16 | | #include "../include/gpsd.h" |
17 | | #include "../include/strfuncs.h" |
18 | | |
19 | 0 | #define NETGNSS_TCP "tcp://" |
20 | 0 | #define NETGNSS_UDP "udp://" |
21 | 0 | #define NETGNSS_DGPSIP "dgpsip://" |
22 | 0 | #define NETGNSS_NTRIP "ntrip://" |
23 | 0 | #define NETGNSS_GPSD "gpsd://" |
24 | 0 | #define NETGNSS_NMEA2000 "nmea2000://" |
25 | | |
26 | | // is given string a valid URI for network/service? Is so, which one? |
27 | | net_link_type netgnss_uri_type(const char *name) |
28 | 0 | { |
29 | 0 | if (str_starts_with(name, NETGNSS_DGPSIP)) { |
30 | 0 | return NET_DGPSIP; |
31 | 0 | } |
32 | | |
33 | 0 | if (str_starts_with(name, NETGNSS_GPSD)) { |
34 | 0 | return NET_GPSD; |
35 | 0 | } |
36 | | |
37 | 0 | if (str_starts_with(name, NETGNSS_NTRIP)) { |
38 | 0 | return NET_NTRIP; |
39 | 0 | } |
40 | | |
41 | 0 | if (str_starts_with(name, NETGNSS_TCP)) { |
42 | 0 | return NET_TCP; |
43 | 0 | } |
44 | | |
45 | 0 | if (str_starts_with(name, NETGNSS_UDP)) { |
46 | 0 | return NET_UDP; |
47 | 0 | } |
48 | | |
49 | 0 | if (str_starts_with(name, NETGNSS_NMEA2000)) { |
50 | 0 | return NET_NMEA2000; |
51 | 0 | } |
52 | | |
53 | 0 | return NET_LOCAL; |
54 | 0 | } |
55 | | |
56 | | // is given string a valid URI for DGPS/NTRIP service? |
57 | | // FIXME: replace with netgnss_uri_type() |
58 | | bool netgnss_uri_check(const char *name) |
59 | 0 | { |
60 | 0 | switch (netgnss_uri_type(name)) { |
61 | 0 | case NET_DGPSIP: |
62 | 0 | FALLTHROUGH |
63 | 0 | case NET_NTRIP: |
64 | 0 | return true; |
65 | | |
66 | 0 | case NET_GPSD: |
67 | 0 | FALLTHROUGH |
68 | 0 | case NET_LOCAL: |
69 | 0 | FALLTHROUGH |
70 | 0 | case NET_NMEA2000: |
71 | 0 | FALLTHROUGH |
72 | 0 | case NET_TCP: |
73 | 0 | FALLTHROUGH |
74 | 0 | case NET_UDP: |
75 | 0 | FALLTHROUGH |
76 | 0 | case NET_UNKNOWN: |
77 | 0 | FALLTHROUGH |
78 | 0 | default: |
79 | 0 | return false; |
80 | 0 | } |
81 | 0 | } |
82 | | |
83 | | |
84 | | // open a connection to a DGNSS service |
85 | | gps_fd_t netgnss_uri_open(struct gps_device_t *dev, char *netgnss_service) |
86 | 0 | { |
87 | 0 | GPSD_LOG(LOG_IO, &dev->context->errout, |
88 | 0 | "DGNSS/NTRIP: netgnss_uri_open(%s)\n", netgnss_service); |
89 | |
|
90 | 0 | switch (netgnss_uri_type(netgnss_service)) { |
91 | 0 | case NET_DGPSIP: |
92 | 0 | return dgpsip_open(dev, netgnss_service + sizeof(NETGNSS_DGPSIP) - 1); |
93 | 0 | case NET_NTRIP: |
94 | | // could be initial open, or reopen, or... |
95 | 0 | return ntrip_open(dev, netgnss_service + sizeof(NETGNSS_NTRIP) - 1); |
96 | | |
97 | 0 | case NET_GPSD: |
98 | 0 | FALLTHROUGH |
99 | 0 | case NET_LOCAL: |
100 | 0 | FALLTHROUGH |
101 | 0 | case NET_NMEA2000: |
102 | 0 | FALLTHROUGH |
103 | 0 | case NET_TCP: |
104 | 0 | FALLTHROUGH |
105 | 0 | case NET_UDP: |
106 | 0 | FALLTHROUGH |
107 | 0 | case NET_UNKNOWN: |
108 | 0 | FALLTHROUGH |
109 | 0 | default: |
110 | 0 | GPSD_LOG(LOG_ERROR, &dev->context->errout, |
111 | 0 | "DGNSS/NTRIP: Unknown/unspecified protocol for service %s\n", |
112 | 0 | netgnss_service); |
113 | 0 | return -1; |
114 | 0 | } |
115 | 0 | } |
116 | | |
117 | | // may be time to ship a usage report to the DGNSS service |
118 | | void netgnss_report(struct gps_context_t *context, |
119 | | struct gps_device_t *gps, struct gps_device_t *dgnss) |
120 | 0 | { |
121 | 0 | if (SERVICE_DGPSIP == dgnss->servicetype) { |
122 | 0 | dgpsip_report(context, gps, dgnss); |
123 | 0 | } else if (SERVICE_NTRIP == dgnss->servicetype) { |
124 | 0 | ntrip_report(context, gps, dgnss); |
125 | 0 | } |
126 | 0 | } |
127 | | |
128 | | // end |
129 | | // vim: set expandtab shiftwidth=4 |