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Added bind for local TCP #4

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Added bind for local TCP #4

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27 changes: 26 additions & 1 deletion mcmc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -809,7 +809,7 @@ int mcmc_check_nonblock_connect(void *c, int *err) {
// connect_bind_tcp()
// ^ fill an internal struct from the stack and call into this central
// connect?
int mcmc_connect(void *c, char *host, char *port, int options) {
int mcmc_connect(void *c, char* source, char *host, char *port, int options) {
mcmc_ctx_t *ctx = (mcmc_ctx_t *)c;

int s;
Expand Down Expand Up @@ -854,6 +854,31 @@ int mcmc_connect(void *c, char *host, char *port, int options) {
}
}

if(source != NULL ){
struct addrinfo source_hints;
struct addrinfo *sai = NULL;

memset(&source_hints, 0, sizeof(source_hints));
source_hints.ai_family = next->ai_family;
source_hints.ai_socktype = SOCK_STREAM;
source_hints.ai_flags = AI_NUMERICHOST;

if( getaddrinfo(source, NULL, &source_hints, &sai) != 0){
res = MCMC_ERR;
close(sock);
goto end;
}

if( bind(sock, sai->ai_addr, sai->ai_addrlen) < 0 ){
freeaddrinfo(sai);
res = MCMC_ERR;
close(sock);
goto end;
}
freeaddrinfo(sai);
}


if (options & MCMC_OPTION_NONBLOCK) {
int flags = fcntl(sock, F_GETFL);
if (flags < 0) {
Expand Down
2 changes: 1 addition & 1 deletion mcmc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,7 @@ int mcmc_fd(void *c);
size_t mcmc_size(int options);
size_t mcmc_min_buffer_size(int options);
int mcmc_parse_buf(const char *buf, size_t read, mcmc_resp_t *r);
int mcmc_connect(void *c, char *host, char *port, int options);
int mcmc_connect(void *c, char *source, char *host, char *port, int options);
int mcmc_check_nonblock_connect(void *c, int *err);
int mcmc_send_request(void *c, const char *request, int len, int count);
int mcmc_request_writev(void *c, const struct iovec *iov, int iovcnt, ssize_t *sent, int count);
Expand Down