diff options
Diffstat (limited to 'code/posix/transport.c')
-rw-r--r-- | code/posix/transport.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/code/posix/transport.c b/code/posix/transport.c deleted file mode 100644 index 1787c66..0000000 --- a/code/posix/transport.c +++ /dev/null @@ -1,114 +0,0 @@ -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <poll.h> -#include <stdio.h> - -#include <core.h> - -#define ADDR_S_MAX 32 - -static int t_addr_eq(ECPNetAddr *addr1, ECPNetAddr *addr2) { - if (addr1->port != addr2->port) return 0; - if (memcmp(addr1->host, addr2->host, sizeof(addr1->host)) != 0) return 0; - return 1; -} - -static int t_addr_set(ECPNetAddr *addr, void *addr_s) { - int rv; - char addr_c[ADDR_S_MAX]; - char *colon = NULL; - char *endptr = NULL; - - memset(addr_c, 0, sizeof(addr_c)); - strncpy(addr_c, addr_s, ADDR_S_MAX-1); - colon = strchr(addr_c, ':'); - if (colon == NULL) return -1; - *colon = '\0'; - colon++; - if (*colon == '\0') return -1; - rv = inet_pton(AF_INET, addr_c, addr->host); - if (rv != 1) return -1; - addr->port = strtol(colon, &endptr, 10); - if (*endptr != '\0') return -1; - - return 0; -} - -static int t_open(int *sock, void *addr_s) { - struct sockaddr_in _myaddr; - - memset((char *)&_myaddr, 0, sizeof(_myaddr)); - _myaddr.sin_family = AF_INET; - if (addr_s) { - ECPNetAddr addr; - int rv = t_addr_set(&addr, addr_s); - if (rv) return rv; - - memcpy((void *)&_myaddr.sin_addr, addr.host, sizeof(addr.host)); - _myaddr.sin_port = htons(addr.port); - } else { - _myaddr.sin_addr.s_addr = htonl(INADDR_ANY); - _myaddr.sin_port = htons(0); - } - - *sock = socket(PF_INET, SOCK_DGRAM, 0); - if (*sock < 0) return *sock; - - int rv = bind(*sock, (struct sockaddr *)&_myaddr, sizeof(_myaddr)); - if (rv < 0) { - close(*sock); - return rv; - } - return 0; -} - -static void t_close(int *sock) { - close(*sock); -} - -static int t_poll(int *sock, int timeout) { - struct pollfd fds[] = { - {*sock, POLLIN, 0} - }; - return poll(fds, 1, timeout); -} - -static ssize_t t_send(int *sock, void *msg, size_t msg_size, ECPNetAddr *addr) { - struct sockaddr_in servaddr; - - memset((void *)&servaddr, 0, sizeof(servaddr)); - servaddr.sin_family = AF_INET; - servaddr.sin_port = htons(addr->port); - memcpy((void *)&servaddr.sin_addr, addr->host, sizeof(addr->host)); - return sendto(*sock, msg, msg_size, 0, (struct sockaddr *)&servaddr, sizeof(servaddr)); -} - -static ssize_t t_recv(int *sock, void *msg, size_t msg_size, ECPNetAddr *addr) { - struct sockaddr_in servaddr; - socklen_t addrlen = sizeof(servaddr); - memset((void *)&servaddr, 0, sizeof(servaddr)); - - ssize_t recvlen = recvfrom(*sock, msg, msg_size, 0, (struct sockaddr *)&servaddr, &addrlen); - if (recvlen < 0) return recvlen; - - if (addr) { - addr->port = ntohs(servaddr.sin_port); - memcpy(addr->host, (void *)&servaddr.sin_addr, sizeof(addr->host)); - } - return recvlen; -} - -int ecp_transport_init(ECPTransportIface *t) { - t->init = 1; - t->open = t_open; - t->close = t_close; - t->poll = t_poll; - t->send = t_send; - t->recv = t_recv; - t->addr_eq = t_addr_eq; - t->addr_set = t_addr_set; - return 0; -} |