From f03515ceb416ebf5487acdfe303242da75f46b05 Mon Sep 17 00:00:00 2001 From: darkcoven Date: Sun, 20 Oct 2013 20:08:29 +0200 Subject: [PATCH] Emu: add port specific entries --- emu/src/emu.c | 131 +++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 118 insertions(+), 13 deletions(-) diff --git a/emu/src/emu.c b/emu/src/emu.c index d90bcb8..8526ca3 100644 --- a/emu/src/emu.c +++ b/emu/src/emu.c @@ -19,18 +19,37 @@ #define MAX_STR_SIZE 64 + +struct port_info { + /* read-only properties */ + unsigned char state; + unsigned long long recv; + unsigned long long sent; + unsigned long long crc; + /* configurable properties */ + unsigned short pvid; + int bitrate_in; + int bitrate_out; + unsigned char prio; +}; + + struct swi_info { + /* intrinsic properties */ + unsigned char mac[ETH_ALEN]; char product[MAX_STR_SIZE]; - char name[MAX_STR_SIZE]; char firmware[MAX_STR_SIZE]; - char password[MAX_STR_SIZE]; + unsigned char ports_count; bool encpass; - unsigned char ports; - unsigned char mac[ETH_ALEN]; + /* configurable properties */ + char name[MAX_STR_SIZE]; + char password[MAX_STR_SIZE]; in_addr_t ip; in_addr_t netmask; in_addr_t gw; bool dhcp; + /* ports specifics */ + struct port_info *ports; }; @@ -45,7 +64,10 @@ static int process_read_attr (struct nsdp_cmd *nc, List *attr, struct attr *at) unsigned int *dword; struct attr_port_status *apu; struct attr_port_stat *api; + struct attr_bitrate *ab; + + (void)nc; switch (at->attr) { } @@ -86,7 +108,7 @@ static int process_read_attr (struct nsdp_cmd *nc, List *attr, struct attr *at) case ATTR_PORTS_COUNT: byte = malloc(1); - *byte = swi.ports; + *byte = swi.ports_count; at->data = byte; at->size = 1; break; @@ -133,10 +155,10 @@ static int process_read_attr (struct nsdp_cmd *nc, List *attr, struct attr *at) break; case ATTR_PORT_STATUS: - for (p = 1; p <= swi.ports; p++) { + for (p = 0; p < swi.ports_count; p++) { apu = malloc(sizeof(*apu)); - apu->port = p; - apu->status = SPEED_1000; + apu->port = p + 1; + apu->status = swi.ports[p].state; apu->unk = 0; pushFrontList(attr, newAttr(ATTR_PORT_STATUS, sizeof(*apu), apu)); @@ -144,16 +166,37 @@ static int process_read_attr (struct nsdp_cmd *nc, List *attr, struct attr *at) return 1; case ATTR_PORT_STATISTICS: - for (p = 1; p <= swi.ports; p++) { + for (p = 0; p < swi.ports_count; p++) { api = malloc(sizeof(*api)); memset(api, 0, sizeof(*api)); - api->port = p; - api->recv = p * 100000; - api->sent = p * 200000; + api->port = p + 1; + api->recv = swi.ports[p].recv; + api->sent = swi.ports[p].sent; pushFrontList(attr, newAttr(ATTR_PORT_STATISTICS, sizeof(*api), api)); } return 1; + + case ATTR_BITRATE_INPUT: + for (p = 0; p < swi.ports_count; p++) { + ab = malloc(sizeof(*ab)); + ab->port = p + 1; + ab->bitrate = swi.ports[p].bitrate_in; + + pushFrontList(attr, newAttr(ATTR_BITRATE_INPUT, sizeof(*ab), ab)); + } + return 1; + + case ATTR_BITRATE_OUTPUT: + for (p = 0; p < swi.ports_count; p++) { + ab = malloc(sizeof(*ab)); + ab->port = p + 1; + ab->bitrate = swi.ports[p].bitrate_out; + + pushFrontList(attr, newAttr(ATTR_BITRATE_OUTPUT, sizeof(*ab), ab)); + } + return 1; + } return 0; @@ -162,9 +205,13 @@ static int process_read_attr (struct nsdp_cmd *nc, List *attr, struct attr *at) static int process_write_attr (struct nsdp_cmd *nc, List *attr, struct attr *at) { + unsigned char p, *byte; char *text; + struct attr_bitrate *ab; + (void)attr; + if (at->size == 0) return -EMSGSIZE; @@ -177,8 +224,55 @@ static int process_write_attr (struct nsdp_cmd *nc, List *attr, struct attr *at) trim(text, MAX_STR_SIZE); strncpy(swi.password, text, MAX_STR_SIZE); break; + + case ATTR_STATS_RESET: + for (p = 0; p < swi.ports_count; p++) { + swi.ports[p].sent = 0; + swi.ports[p].recv = 0; + swi.ports[p].crc = 0; + } + break; + + case ATTR_DHCP: + /* Note: DHCP attribute is special, it is 2 two bytes long + * when sent by the switch but only 1 byte long when sent + * by the client + */ + if (at->size != 1) { + nc->error = 4; + break; + } + byte = at->data; + swi.dhcp = (*byte == 1); + break; + + case ATTR_IP: + case ATTR_NETMASK: + case ATTR_GATEWAY: + /* a real switch would accept these modifications, but here we + * are not going to mess up the host network settings, so we + * refuse these requests + */ + nc->error = ERROR_READONLY; + nc->attr_error = at->attr; + break; + + case ATTR_BITRATE_INPUT: + ab = at->data; + if (ab->port > swi.ports_count) + return -EOVERFLOW; + swi.ports[ab->port - 1].bitrate_in = ab->bitrate; + break; + + case ATTR_BITRATE_OUTPUT: + ab = at->data; + if (ab->port > swi.ports_count) + return -EOVERFLOW; + swi.ports[ab->port - 1].bitrate_out = ab->bitrate; + break; } + return 1; } @@ -344,6 +438,7 @@ int main (int argc, char **argv) {0, 0, 0, 0} }; int err = 0, len; + unsigned char p; const char *iface = "eth0"; struct sockaddr_in local; struct sigaction sa; @@ -405,8 +500,17 @@ int main (int argc, char **argv) strncpy(swi.firmware, "0.1", MAX_STR_SIZE); strncpy(swi.password, "password", MAX_STR_SIZE); swi.encpass = true; - swi.ports = 8; + swi.ports_count = 8; swi.dhcp = false; + swi.ports = malloc(swi.ports_count * sizeof(struct port_info)); + memset(swi.ports, 0, swi.ports_count * sizeof(struct port_info)); + for (p = 0; p < swi.ports_count; p++) { + swi.ports[p].state = SPEED_1000; + swi.ports[p].pvid = 1; + swi.ports[p].bitrate_in = BITRATE_NOLIMIT; + swi.ports[p].bitrate_out = BITRATE_NOLIMIT; + swi.ports[p].prio = PRIO_NORM; + } if (netdev_info(iface) < 0) goto end; @@ -437,6 +541,7 @@ int main (int argc, char **argv) } destroyList(attr, (void(*)(void*))freeAttr); + free(swi.ports); end: close(sock); -- 2.39.2